diff --git a/BLSkeystore.json b/BLSkeystore.json
new file mode 100644
index 00000000..908cffe2
--- /dev/null
+++ b/BLSkeystore.json
@@ -0,0 +1,45 @@
+{
+  "public_key": [
+    "8f2bc5decb56ad5f88d4c704f6ad616d5038cf1bc068419f4d7f3457a853d74048b1ba3531185d6d36d6bd6881034505",
+    "83126cd32592a6be5e9658805c5da32db2f5d39f2f294a230cf1689b52f8b8be2135802f6b6ca6b11765331de2bb8def",
+    "b9cafd2354b57acadd88992fd9dc38986ec29d8efd793acb693f0d0f6b8397cb2a9f8d66e01253579c7d38242d3760f6",
+    "b373f6a4dfc54e625c2796da0789cbb243e6a285329c3c075ab1a9268db45951a2d6c2a2aafd558efc8c5857bd71dbc0",
+    "ac0646a7851a75f2d0d8239e717ed1874ed83906eff3845cc7a29abd6064adb8a48c221c3d12624f136292b19c0d92de",
+    "992354e0ff65e8cb4088a72a241992bf68a192ea685f810bda7a193dc056af3be4bf1f65073cf5e906676d32f2eabe60",
+    "95d8bb8660a34a374a05a3b9c59609f4a6f5598bba8240b59ef61e94ed6161e00108bac0b817bcb4cf13001924d19539",
+    "b4c030c9c012ab39aea3117fc96203b18ffb5e979ae44f17de64e212a1a97975d419e2060294940a285778e2100ff023",
+    "ac1e598ae0ccbeeaafa31bc6faefa85c2ae3138699cac79169cd718f1a38445201454ec092a86f200e08a15266bdc6e9",
+    "af3ca3f530c61bf7e6b82db58dc6bd4c75192044128004510290289330ae1d33269ec873e0a8e890c2619cf3868c8880",
+    "987c6c786c2d293f4b5337344c8d29ab0264f80851d5698e597e201f7743af3f848a1ffb7c4802a73e06696d99f95e45",
+    "97d9423cb780f6a09e759a7327fc5e2542ddc54f9d2cd1b836abf30948f45059709510e8421df03ceccf2ef2ecc9c594",
+    "b71f0d38cc1d05995126fa0ba311541f0ed3c5c7df64e33c8037afa5d72a5a38a83103433b204f1512502748656cf06f",
+    "b800c8a040b76946ca14470e7a67c9ca76bf9868730336be57235505e1786f3417a969587be2ac7e6aad1ab21db9cff9",
+    "a625e9aa0681a842091d9cbc26daa9497a9d305acc36d04f2cb42e9aed90a561514f607625fbf84b23f98ce4baadadb5",
+    "98a7250b7492047cdb0b388e094db5dc073bba5a4bfc9ed2fc0ec68cba5cec1aad06d72a91ed03211f583f52e5e5d221",
+    "a8fa139e60271c25de8d5c83a4d0d15107152c193897d2307d334425c40d31104b6ee507e5eb3402419bca0625b58835",
+    "905024253dae51eb1836a3da59e5883f48d768bb73b4c8be76fd3a124af6ed252941653619ab1e429253fc2586c65383",
+    "a52c02e1279cbadb974a02404d7cece18d70a2835d004a4e7a25c9e120d794f62e76b9728a13ee84bc6567716238c59f",
+    "aacd7b81831bc19de3a26f013d2bba8cf5a76cf3c6acee742bace02e2a809a96f72245fb6cb54874b72d300a42b14fe3",
+    "8f16d65d4898459265d237328b419fad130b2cf2ee381e0a0fc3d5898e81b577a0157d0b99b92eda8891b46ff62c9ea9",
+    "90ddfd09c9af4d0b693a4013b7e42595ea7bb60ee7fb942a8460d63cd5f0e4c3138467b7c2a50518fa26fe9a2450dbc0",
+    "a2ec2a7e46bb5d99e7307c39b9ba96e0ef245e2588658b5ccb9a8c2f682a111de5775fec6e7508d19e06be40a260cc7d",
+    "86d0488587c7dd682988d13c7db0bf9994dd21fa886244a1ddd24aea753de38d32d0c762bd6fbeb137b1ae3118c65885",
+    "b3e34b6aff02bf146faf47e27d813e3c1bcf2a9a424c2ec95da39ea9dd974aeb239e47bd183ac75e8502ca6e610caf7c",
+    "b45752f376347597826c52202dd5a4695b7f73b4a111d9a39f8bd43220984ecd428280779befa314f4b24ce537b7448b",
+    "83c96f5cab6a2d0fb3c4c96c7a1bf992c776f10aa6e321157df8b07359bbfdc111587f529d3ed867b1c69a98f57fea6b",
+    "9107b995298a0a2becc7a1feecc6d8a0cae95d66384ef08adb9dc74023357fb5c1dac1ce9de936eb4015d276150a4933",
+    "aa7049b3ce18e503b8546b08ef48056780cfeb4a48e50f30d0da8a2b6261e77ed19c40bc8050df874e992072db591575",
+    "b28f8221b85d07f04d6037a56d96e621d4c25bf3aaff3e745231bcf102dfa34508ca92814854019487b6dcecdaa0bab0",
+    "a75e47260f047889767fc8cc7121440afa2b4fc372ebc1ef39f72912247ad2efa1e0dc4022d4c44ecab95032fa30df49",
+    "a76daaa9e8741e7d9a5970f10bc585ce42a3e5ce4e53faadf3327a3b7759223e35aeb30214c0ecf2bca46a2ea1c45855",
+    "a031dcf5b47643630aba6e0625c21da9e0f76388ea6bcdd33ede31f51a1d080ba322ba0c9aaa5137b18fd3c47453aec9",
+    "a9be92a80b0909c491cd9475001cc34ee1a766b95109cdc32c8cdfcf7135c8d0e862b8612d0ea79e74d02a09d5403993",
+    "b490893e8eb5f101b5178e6ff8279fe14eb78b764290095e6e595dfcc11371925dc0af4b9d4bce8e69ac83ce57984e3a",
+    "89ca38e186e1378b0778cb8d4f0f6d4eef4a15db97a4596a44621548090dfb893f833689b580b0f60a934fd31c271bb3",
+    "8b20e24ad933b9af0a55a6d34a08e10b832a10f389154dc0dec79b63a38b79ea2f0d9f4fa664b3c06b1b2437cb58236f",
+    "a1484f2b97137fb957daad064ca6cbe5b99549249ceb51f42e928ec091f94fed642ddffe3a9916769538decd0a9937bf",
+    "89abcc45efe76bec679ca35c27adbd66fb9712a278e3c8530ab25cfaf997765aee574f5c5745dbb873dbf7e961684347",
+    "8addebd6ef7609df215e006987040d0a643858f3a4d791beaa77177d67529160e645fac54f0d8acdcd5a088393cb6681",
+    "85e6972fc98cd3c81d64d40e325acfed44365b97a7567a27939c14dbc7512ddcf54cb1284eb637cfa308ae4e00cb5588"
+  ]
+}
\ No newline at end of file
diff --git a/abi/bscvalidatorset.abi b/abi/bscvalidatorset.abi
index c3194b70..207effaf 100644
--- a/abi/bscvalidatorset.abi
+++ b/abi/bscvalidatorset.abi
@@ -1,1016 +1,1451 @@
 [
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "batchTransfer",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "reason",
-				"type": "string"
-			}
-		],
-		"name": "batchTransferFailed",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "reason",
-				"type": "bytes"
-			}
-		],
-		"name": "batchTransferLowerFailed",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "deprecatedDeposit",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address payable",
-				"name": "validator",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "directTransfer",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address payable",
-				"name": "validator",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "directTransferFail",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "message",
-				"type": "string"
-			}
-		],
-		"name": "failReasonWithStr",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "systemTransfer",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "unexpectedPackage",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "validatorDeposit",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "validatorEmptyJailed",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "validatorFelony",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "validatorJailed",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "validatorMisdemeanor",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [],
-		"name": "validatorSetUpdated",
-		"type": "event"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "DUSTY_INCOMING",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_CHECK_VALIDATORS",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_LEN_OF_VAL_MISMATCH",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_RELAYFEE_TOO_LARGE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_UNKNOWN_PACKAGE_TYPE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "EXPIRE_TIME_SECOND_GAP",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INIT_VALIDATORSET_BYTES",
-		"outputs": [
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "JAIL_MESSAGE_TYPE",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MAX_NUM_OF_VALIDATORS",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "PRECISION",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATORS_UPDATE_MESSAGE_TYPE",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"name": "currentValidatorSet",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "consensusAddress",
-				"type": "address"
-			},
-			{
-				"internalType": "address payable",
-				"name": "feeAddress",
-				"type": "address"
-			},
-			{
-				"internalType": "address",
-				"name": "BBCFeeAddress",
-				"type": "address"
-			},
-			{
-				"internalType": "uint64",
-				"name": "votingPower",
-				"type": "uint64"
-			},
-			{
-				"internalType": "bool",
-				"name": "jailed",
-				"type": "bool"
-			},
-			{
-				"internalType": "uint256",
-				"name": "incoming",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "currentValidatorSetMap",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "expireTimeSecondGap",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "numOfJailed",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "totalInComing",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "init",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleSynPackage",
-		"outputs": [
-			{
-				"internalType": "bytes",
-				"name": "responsePayload",
-				"type": "bytes"
-			}
-		],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleFailAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "valAddr",
-				"type": "address"
-			}
-		],
-		"name": "deposit",
-		"outputs": [],
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "getValidators",
-		"outputs": [
-			{
-				"internalType": "address[]",
-				"name": "",
-				"type": "address[]"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "getIncoming",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "misdemeanor",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "felony",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "updateParam",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	}
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "batchTransfer",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "reason",
+        "type": "string"
+      }
+    ],
+    "name": "batchTransferFailed",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "reason",
+        "type": "bytes"
+      }
+    ],
+    "name": "batchTransferLowerFailed",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "deprecatedDeposit",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "deprecatedFinalityRewardDeposit",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address payable",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "directTransfer",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address payable",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "directTransferFail",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "message",
+        "type": "string"
+      }
+    ],
+    "name": "failReasonWithStr",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "feeBurned",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "finalityRewardDeposit",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "systemTransfer",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "unexpectedPackage",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "validatorDeposit",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "validatorEmptyJailed",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "validatorEnterMaintenance",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "validatorExitMaintenance",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "validatorFelony",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "validatorJailed",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "validatorMisdemeanor",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [],
+    "name": "validatorSetUpdated",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BURN_ADDRESS",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BURN_RATIO_SCALE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "DUSTY_INCOMING",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "EPOCH",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_CHECK_VALIDATORS",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_LEN_OF_VAL_MISMATCH",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_RELAYFEE_TOO_LARGE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_UNKNOWN_PACKAGE_TYPE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "EXPIRE_TIME_SECOND_GAP",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_BURN_RATIO",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_FINALITY_REWARD_RATIO",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_MAINTAIN_SLASH_SCALE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_MAX_NUM_OF_MAINTAINING",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_NUM_OF_CABINETS",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_VALIDATORSET_BYTES",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "JAIL_MESSAGE_TYPE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAX_NUM_OF_VALIDATORS",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "PRECISION",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATORS_UPDATE_MESSAGE_TYPE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "burnRatio",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "burnRatioInitialized",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "index",
+        "type": "uint256"
+      }
+    ],
+    "name": "canEnterMaintenance",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "currentValidatorSet",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "consensusAddress",
+        "type": "address"
+      },
+      {
+        "internalType": "address payable",
+        "name": "feeAddress",
+        "type": "address"
+      },
+      {
+        "internalType": "address",
+        "name": "BBCFeeAddress",
+        "type": "address"
+      },
+      {
+        "internalType": "uint64",
+        "name": "votingPower",
+        "type": "uint64"
+      },
+      {
+        "internalType": "bool",
+        "name": "jailed",
+        "type": "bool"
+      },
+      {
+        "internalType": "uint256",
+        "name": "incoming",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "currentValidatorSetMap",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "valAddr",
+        "type": "address"
+      }
+    ],
+    "name": "deposit",
+    "outputs": [],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address[]",
+        "name": "valAddrs",
+        "type": "address[]"
+      },
+      {
+        "internalType": "uint256[]",
+        "name": "weights",
+        "type": "uint256[]"
+      }
+    ],
+    "name": "distributeFinalityReward",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "enterMaintenance",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "exitMaintenance",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "expireTimeSecondGap",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "felony",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "finalityRewardRatio",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "getCurrentValidatorIndex",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "getIncoming",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getLivingValidators",
+    "outputs": [
+      {
+        "internalType": "address[]",
+        "name": "",
+        "type": "address[]"
+      },
+      {
+        "internalType": "bytes[]",
+        "name": "",
+        "type": "bytes[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getMiningValidators",
+    "outputs": [
+      {
+        "internalType": "address[]",
+        "name": "",
+        "type": "address[]"
+      },
+      {
+        "internalType": "bytes[]",
+        "name": "",
+        "type": "bytes[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getValidators",
+    "outputs": [
+      {
+        "internalType": "address[]",
+        "name": "",
+        "type": "address[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getWorkingValidatorCount",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "workingValidatorCount",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleFailAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleSynPackage",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "responsePayload",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "init",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "isCurrentValidator",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "index",
+        "type": "uint256"
+      }
+    ],
+    "name": "isWorkingValidator",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "maintainSlashScale",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "maxNumOfCandidates",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "maxNumOfMaintaining",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "maxNumOfWorkingCandidates",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "misdemeanor",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "numOfCabinets",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "numOfJailed",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "numOfMaintaining",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "previousHeight",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "totalInComing",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "validatorExtraSet",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "enterMaintenanceHeight",
+        "type": "uint256"
+      },
+      {
+        "internalType": "bool",
+        "name": "isMaintaining",
+        "type": "bool"
+      },
+      {
+        "internalType": "bytes",
+        "name": "voteAddress",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "stateMutability": "payable",
+    "type": "receive"
+  }
 ]
\ No newline at end of file
diff --git a/abi/crosschain.abi b/abi/crosschain.abi
index e84fcd2d..d8f6c78a 100644
--- a/abi/crosschain.abi
+++ b/abi/crosschain.abi
@@ -1,810 +1,1166 @@
 [
-	{
-		"anonymous": false,
-		"inputs": [
-			{
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-				"type": "address"
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-				"type": "uint8"
-			}
-		],
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-		"type": "function"
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-				"type": "address"
-			}
-		],
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-				"type": "address"
-			}
-		],
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-				"type": "address"
-			}
-		],
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-				"type": "uint8"
-			}
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-	},
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-				"type": "uint8"
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-		],
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-	},
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-		"inputs": [],
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-				"type": "address"
-			}
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-		"inputs": [],
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-			{
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-				"type": "bool"
-			}
-		],
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-		"type": "function"
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-		"inputs": [],
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-				"type": "uint256"
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-		],
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-		"inputs": [],
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-			{
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-				"type": "uint16"
-			}
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-		"inputs": [
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-				"internalType": "uint8",
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-				"type": "uint8"
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-		],
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-			{
-				"internalType": "address",
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-				"type": "address"
-			}
-		],
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-				"type": "uint8"
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-			{
-				"internalType": "uint64",
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-				"type": "uint64"
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-			{
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-				"type": "uint8"
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-			{
-				"internalType": "uint64",
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-				"type": "uint64"
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-			{
-				"internalType": "uint8",
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-				"type": "uint8"
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-			{
-				"internalType": "bool",
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-				"type": "bool"
-			}
-		],
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-		"type": "function"
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-			{
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-				"type": "int64"
-			}
-		],
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-		"type": "function"
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-		"inputs": [],
-		"name": "previousTxHeight",
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-			{
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-				"type": "uint256"
-			}
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-				"type": "address"
-			},
-			{
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-				"name": "",
-				"type": "uint8"
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-		],
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-			{
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-				"type": "bool"
-			}
-		],
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-		"inputs": [],
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-			{
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-				"type": "uint256"
-			}
-		],
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-			{
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-				"type": "bytes"
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-			{
-				"internalType": "bytes",
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-				"type": "bytes"
-			}
-		],
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-			{
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-			},
-			{
-				"internalType": "uint64",
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-			{
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-		"type": "function"
-	}
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+    "anonymous": false,
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+      {
+        "indexed": true,
+        "internalType": "bytes32",
+        "name": "proposalTypeHash",
+        "type": "bytes32"
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+        "indexed": false,
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+        "name": "quorum",
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+      {
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+        "type": "bytes32"
+      }
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+        "indexed": true,
+        "internalType": "address",
+        "name": "executor",
+        "type": "address"
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+    ],
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+        "internalType": "address",
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+    "name": "Suspended",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      }
+    ],
+    "name": "addChannel",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint16",
+        "name": "chainId",
+        "type": "uint16"
+      },
+      {
+        "indexed": true,
+        "internalType": "uint64",
+        "name": "oracleSequence",
+        "type": "uint64"
+      },
+      {
+        "indexed": true,
+        "internalType": "uint64",
+        "name": "packageSequence",
+        "type": "uint64"
+      },
+      {
+        "indexed": true,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "payload",
+        "type": "bytes"
+      }
+    ],
+    "name": "crossChainPackage",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "indexed": false,
+        "internalType": "bool",
+        "name": "isEnable",
+        "type": "bool"
+      }
+    ],
+    "name": "enableOrDisableChannel",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint8",
+        "name": "packageType",
+        "type": "uint8"
+      },
+      {
+        "indexed": true,
+        "internalType": "uint64",
+        "name": "packageSequence",
+        "type": "uint64"
+      },
+      {
+        "indexed": true,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      }
+    ],
+    "name": "receivedPackage",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "lowLevelData",
+        "type": "bytes"
+      }
+    ],
+    "name": "unexpectedFailureAssertionInPackageHandler",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "reason",
+        "type": "string"
+      }
+    ],
+    "name": "unexpectedRevertInPackageHandler",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint64",
+        "name": "packageSequence",
+        "type": "uint64"
+      },
+      {
+        "indexed": true,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "payload",
+        "type": "bytes"
+      }
+    ],
+    "name": "unsupportedPackage",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "ACK_PACKAGE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CANCEL_TRANSFER_PROPOSAL",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_KEY_PREFIX",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "EMERGENCY_PROPOSAL_EXPIRE_PERIOD",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "EMPTY_CONTENT_HASH",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "FAIL_ACK_PACKAGE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_BATCH_SIZE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_CANCEL_TRANSFER_QUORUM",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_REOPEN_QUORUM",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_SUSPEND_QUORUM",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "REOPEN_PROPOSAL",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STORE_NAME",
+    "outputs": [
+      {
+        "internalType": "string",
+        "name": "",
+        "type": "string"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SUSPEND_PROPOSAL",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYN_PACKAGE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "batchSizeForOracle",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "tokenAddr",
+        "type": "address"
+      },
+      {
+        "internalType": "address",
+        "name": "attacker",
+        "type": "address"
+      }
+    ],
+    "name": "cancelTransfer",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint64[4]",
+        "name": "params",
+        "type": "uint64[4]"
+      },
+      {
+        "internalType": "bytes",
+        "name": "payload0",
+        "type": "bytes"
+      },
+      {
+        "internalType": "bytes",
+        "name": "payload1",
+        "type": "bytes"
+      },
+      {
+        "internalType": "bytes",
+        "name": "proof0",
+        "type": "bytes"
+      },
+      {
+        "internalType": "bytes",
+        "name": "proof1",
+        "type": "bytes"
+      }
+    ],
+    "name": "challenge",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "name": "challenged",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "name": "channelHandlerContractMap",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "name": "channelReceiveSequenceMap",
+    "outputs": [
+      {
+        "internalType": "uint64",
+        "name": "",
+        "type": "uint64"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "name": "channelSendSequenceMap",
+    "outputs": [
+      {
+        "internalType": "uint64",
+        "name": "",
+        "type": "uint64"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "name": "channelSyncedHeaderMap",
+    "outputs": [
+      {
+        "internalType": "uint64",
+        "name": "",
+        "type": "uint64"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "name": "emergencyProposals",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "quorum",
+        "type": "uint16"
+      },
+      {
+        "internalType": "uint128",
+        "name": "expiredAt",
+        "type": "uint128"
+      },
+      {
+        "internalType": "bytes32",
+        "name": "contentHash",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "packageType",
+        "type": "uint8"
+      },
+      {
+        "internalType": "uint256",
+        "name": "relayFee",
+        "type": "uint256"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "encodePayload",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes",
+        "name": "payload",
+        "type": "bytes"
+      },
+      {
+        "internalType": "bytes",
+        "name": "proof",
+        "type": "bytes"
+      },
+      {
+        "internalType": "uint64",
+        "name": "height",
+        "type": "uint64"
+      },
+      {
+        "internalType": "uint64",
+        "name": "packageSequence",
+        "type": "uint64"
+      },
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      }
+    ],
+    "name": "handlePackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "init",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "name": "isRelayRewardFromSystemReward",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "isSuspended",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "oracleSequence",
+    "outputs": [
+      {
+        "internalType": "int64",
+        "name": "",
+        "type": "int64"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "previousTxHeight",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "name": "quorumMap",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      },
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "name": "registeredContractChannelMap",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "reopen",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      },
+      {
+        "internalType": "uint256",
+        "name": "relayFee",
+        "type": "uint256"
+      }
+    ],
+    "name": "sendSynPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "suspend",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "txCounter",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
 ]
\ No newline at end of file
diff --git a/abi/govhub.abi b/abi/govhub.abi
index 981fd424..cbd6ff0a 100644
--- a/abi/govhub.abi
+++ b/abi/govhub.abi
@@ -1,458 +1,432 @@
 [
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "message",
-				"type": "bytes"
-			}
-		],
-		"name": "failReasonWithBytes",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "message",
-				"type": "string"
-			}
-		],
-		"name": "failReasonWithStr",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_TARGET_CONTRACT_FAIL",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_TARGET_NOT_CONTRACT",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "PARAM_UPDATE_MESSAGE_TYPE",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleSynPackage",
-		"outputs": [
-			{
-				"internalType": "bytes",
-				"name": "responsePayload",
-				"type": "bytes"
-			}
-		],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"name": "handleAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"name": "handleFailAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	}
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "message",
+        "type": "bytes"
+      }
+    ],
+    "name": "failReasonWithBytes",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "message",
+        "type": "string"
+      }
+    ],
+    "name": "failReasonWithStr",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_TARGET_CONTRACT_FAIL",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_TARGET_NOT_CONTRACT",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "PARAM_UPDATE_MESSAGE_TYPE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleFailAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleSynPackage",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "responsePayload",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
 ]
\ No newline at end of file
diff --git a/abi/relayerhub.abi b/abi/relayerhub.abi
index 719c4cc6..b712a5c7 100644
--- a/abi/relayerhub.abi
+++ b/abi/relayerhub.abi
@@ -1,475 +1,443 @@
 [
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "_relayer",
-				"type": "address"
-			}
-		],
-		"name": "relayerRegister",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "_relayer",
-				"type": "address"
-			}
-		],
-		"name": "relayerUnRegister",
-		"type": "event"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INIT_DUES",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INIT_REQUIRED_DEPOSIT",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "dues",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "requiredDeposit",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "init",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "register",
-		"outputs": [],
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "unregister",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "updateParam",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "sender",
-				"type": "address"
-			}
-		],
-		"name": "isRelayer",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	}
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "_relayer",
+        "type": "address"
+      }
+    ],
+    "name": "relayerRegister",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "_relayer",
+        "type": "address"
+      }
+    ],
+    "name": "relayerUnRegister",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_DUES",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_REQUIRED_DEPOSIT",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "dues",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "init",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "sender",
+        "type": "address"
+      }
+    ],
+    "name": "isRelayer",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "register",
+    "outputs": [],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "requiredDeposit",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "unregister",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
 ]
\ No newline at end of file
diff --git a/abi/relayerincentivize.abi b/abi/relayerincentivize.abi
index b389ff6b..4cc97425 100644
--- a/abi/relayerincentivize.abi
+++ b/abi/relayerincentivize.abi
@@ -1,807 +1,755 @@
 [
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "sequence",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "roundRewardForHeaderRelayer",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "roundRewardForTransferRelayer",
-				"type": "uint256"
-			}
-		],
-		"name": "distributeCollectedReward",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "relayer",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "rewardToRelayer",
-		"type": "event"
-	},
-	{
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "fallback"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CALLER_COMPENSATION_DENOMINATOR",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CALLER_COMPENSATION_MOLECULE",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "HEADER_RELAYER_REWARD_RATE_DENOMINATOR",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "HEADER_RELAYER_REWARD_RATE_MOLECULE",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MAXIMUM_WEIGHT",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ROUND_SIZE",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "callerCompensationDenominator",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "callerCompensationMolecule",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "collectedRewardForHeaderRelayer",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "collectedRewardForTransferRelayer",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "countInRound",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"name": "headerRelayerAddressRecord",
-		"outputs": [
-			{
-				"internalType": "address payable",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "headerRelayerRewardRateDenominator",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "headerRelayerRewardRateMolecule",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "headerRelayersSubmitCount",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"name": "packageRelayerAddressRecord",
-		"outputs": [
-			{
-				"internalType": "address payable",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "packageRelayersSubmitCount",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "relayerRewardVault",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "roundSequence",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "init",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address payable",
-				"name": "headerRelayerAddr",
-				"type": "address"
-			},
-			{
-				"internalType": "address payable",
-				"name": "packageRelayer",
-				"type": "address"
-			},
-			{
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			},
-			{
-				"internalType": "bool",
-				"name": "fromSystemReward",
-				"type": "bool"
-			}
-		],
-		"name": "addReward",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "relayerAddr",
-				"type": "address"
-			}
-		],
-		"name": "claimRelayerReward",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "count",
-				"type": "uint256"
-			}
-		],
-		"name": "calculateTransferRelayerWeight",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "pure",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "count",
-				"type": "uint256"
-			}
-		],
-		"name": "calculateHeaderRelayerWeight",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "pure",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "updateParam",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	}
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "sequence",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "roundRewardForHeaderRelayer",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "roundRewardForTransferRelayer",
+        "type": "uint256"
+      }
+    ],
+    "name": "distributeCollectedReward",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "relayer",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "rewardToRelayer",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CALLER_COMPENSATION_DENOMINATOR",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CALLER_COMPENSATION_MOLECULE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "HEADER_RELAYER_REWARD_RATE_DENOMINATOR",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "HEADER_RELAYER_REWARD_RATE_MOLECULE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAXIMUM_WEIGHT",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ROUND_SIZE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address payable",
+        "name": "headerRelayerAddr",
+        "type": "address"
+      },
+      {
+        "internalType": "address payable",
+        "name": "packageRelayer",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "bool",
+        "name": "fromSystemReward",
+        "type": "bool"
+      }
+    ],
+    "name": "addReward",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "count",
+        "type": "uint256"
+      }
+    ],
+    "name": "calculateHeaderRelayerWeight",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "count",
+        "type": "uint256"
+      }
+    ],
+    "name": "calculateTransferRelayerWeight",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "callerCompensationDenominator",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "callerCompensationMolecule",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "relayerAddr",
+        "type": "address"
+      }
+    ],
+    "name": "claimRelayerReward",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectedRewardForHeaderRelayer",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectedRewardForTransferRelayer",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "countInRound",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "dynamicExtraIncentiveAmount",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "headerRelayerAddressRecord",
+    "outputs": [
+      {
+        "internalType": "address payable",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "headerRelayerRewardRateDenominator",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "headerRelayerRewardRateMolecule",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "headerRelayersSubmitCount",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "init",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "packageRelayerAddressRecord",
+    "outputs": [
+      {
+        "internalType": "address payable",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "packageRelayersSubmitCount",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "relayerRewardVault",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "roundSequence",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "stateMutability": "payable",
+    "type": "receive"
+  }
 ]
\ No newline at end of file
diff --git a/abi/slashindicator.abi b/abi/slashindicator.abi
index 60eb3d90..83152d12 100644
--- a/abi/slashindicator.abi
+++ b/abi/slashindicator.abi
@@ -1,674 +1,792 @@
 [
-	{
-		"anonymous": false,
-		"inputs": [],
-		"name": "crashResponse",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [],
-		"name": "indicatorCleaned",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint32",
-				"name": "code",
-				"type": "uint32"
-			}
-		],
-		"name": "knownResponse",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint32",
-				"name": "code",
-				"type": "uint32"
-			}
-		],
-		"name": "unKnownResponse",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "validatorSlashed",
-		"type": "event"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BSC_RELAYER_REWARD",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "DECREASE_RATE",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "FELONY_THRESHOLD",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MISDEMEANOR_THRESHOLD",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "felonyThreshold",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "indicators",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "height",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "count",
-				"type": "uint256"
-			},
-			{
-				"internalType": "bool",
-				"name": "exist",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "misdemeanorThreshold",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "previousHeight",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"name": "validators",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "init",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"name": "handleSynPackage",
-		"outputs": [
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"name": "handleFailAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "slash",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "clean",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "updateParam",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "validator",
-				"type": "address"
-			}
-		],
-		"name": "getSlashIndicator",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	}
+  {
+    "anonymous": false,
+    "inputs": [],
+    "name": "crashResponse",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "slashCount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "failReason",
+        "type": "bytes"
+      }
+    ],
+    "name": "failedFelony",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [],
+    "name": "indicatorCleaned",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint32",
+        "name": "code",
+        "type": "uint32"
+      }
+    ],
+    "name": "knownResponse",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint32",
+        "name": "code",
+        "type": "uint32"
+      }
+    ],
+    "name": "unKnownResponse",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "validatorSlashed",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BSC_RELAYER_REWARD",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "DECREASE_RATE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "FELONY_THRESHOLD",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_FINALITY_SLASH_REWARD_RATIO",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MISDEMEANOR_THRESHOLD",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "clean",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "felonyThreshold",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "finalitySlashRewardRatio",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "getSlashIndicator",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getSlashThresholds",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleFailAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleSynPackage",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "indicators",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "height",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "count",
+        "type": "uint256"
+      },
+      {
+        "internalType": "bool",
+        "name": "exist",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "init",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "misdemeanorThreshold",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "previousHeight",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "sendFelonyPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "slash",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "components": [
+          {
+            "components": [
+              {
+                "internalType": "uint256",
+                "name": "srcNum",
+                "type": "uint256"
+              },
+              {
+                "internalType": "bytes32",
+                "name": "srcHash",
+                "type": "bytes32"
+              },
+              {
+                "internalType": "uint256",
+                "name": "tarNum",
+                "type": "uint256"
+              },
+              {
+                "internalType": "bytes32",
+                "name": "tarHash",
+                "type": "bytes32"
+              },
+              {
+                "internalType": "bytes",
+                "name": "sig",
+                "type": "bytes"
+              }
+            ],
+            "internalType": "struct SlashIndicator.VoteData",
+            "name": "voteA",
+            "type": "tuple"
+          },
+          {
+            "components": [
+              {
+                "internalType": "uint256",
+                "name": "srcNum",
+                "type": "uint256"
+              },
+              {
+                "internalType": "bytes32",
+                "name": "srcHash",
+                "type": "bytes32"
+              },
+              {
+                "internalType": "uint256",
+                "name": "tarNum",
+                "type": "uint256"
+              },
+              {
+                "internalType": "bytes32",
+                "name": "tarHash",
+                "type": "bytes32"
+              },
+              {
+                "internalType": "bytes",
+                "name": "sig",
+                "type": "bytes"
+              }
+            ],
+            "internalType": "struct SlashIndicator.VoteData",
+            "name": "voteB",
+            "type": "tuple"
+          },
+          {
+            "internalType": "bytes",
+            "name": "voteAddr",
+            "type": "bytes"
+          }
+        ],
+        "internalType": "struct SlashIndicator.FinalityEvidence",
+        "name": "_evidence",
+        "type": "tuple"
+      }
+    ],
+    "name": "submitFinalityViolationEvidence",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "validators",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  }
 ]
\ No newline at end of file
diff --git a/abi/staking.abi b/abi/staking.abi
index 551f0511..495bd05b 100644
--- a/abi/staking.abi
+++ b/abi/staking.abi
@@ -658,6 +658,19 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [],
+    "name": "INIT_TRANSFER_GAS",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [],
     "name": "LIGHT_CLIENT_ADDR",
@@ -881,177 +894,168 @@
   },
   {
     "inputs": [],
-    "name": "minDelegation",
+    "name": "claimReward",
     "outputs": [
       {
         "internalType": "uint256",
-        "name": "",
+        "name": "amount",
         "type": "uint256"
       }
     ],
-    "stateMutability": "view",
+    "stateMutability": "nonpayable",
     "type": "function"
   },
   {
     "inputs": [],
-    "name": "relayerFee",
+    "name": "claimUndelegated",
     "outputs": [
       {
         "internalType": "uint256",
-        "name": "",
+        "name": "amount",
         "type": "uint256"
       }
     ],
-    "stateMutability": "view",
+    "stateMutability": "nonpayable",
     "type": "function"
   },
-  {
-    "stateMutability": "payable",
-    "type": "receive"
-  },
   {
     "inputs": [
       {
-        "internalType": "uint8",
-        "name": "",
-        "type": "uint8"
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
       },
       {
-        "internalType": "bytes",
-        "name": "msgBytes",
-        "type": "bytes"
-      }
-    ],
-    "name": "handleSynPackage",
-    "outputs": [
-      {
-        "internalType": "bytes",
-        "name": "",
-        "type": "bytes"
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
       }
     ],
-    "stateMutability": "nonpayable",
+    "name": "delegate",
+    "outputs": [],
+    "stateMutability": "payable",
     "type": "function"
   },
   {
     "inputs": [
       {
-        "internalType": "uint8",
-        "name": "",
-        "type": "uint8"
+        "internalType": "address",
+        "name": "delegator",
+        "type": "address"
       },
       {
-        "internalType": "bytes",
-        "name": "msgBytes",
-        "type": "bytes"
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
       }
     ],
-    "name": "handleAckPackage",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [
+    "name": "getDelegated",
+    "outputs": [
       {
-        "internalType": "uint8",
+        "internalType": "uint256",
         "name": "",
-        "type": "uint8"
-      },
-      {
-        "internalType": "bytes",
-        "name": "msgBytes",
-        "type": "bytes"
+        "type": "uint256"
       }
     ],
-    "name": "handleFailAckPackage",
-    "outputs": [],
-    "stateMutability": "nonpayable",
+    "stateMutability": "view",
     "type": "function"
   },
   {
     "inputs": [
       {
         "internalType": "address",
-        "name": "validator",
+        "name": "delegator",
         "type": "address"
-      },
+      }
+    ],
+    "name": "getDistributedReward",
+    "outputs": [
       {
         "internalType": "uint256",
-        "name": "amount",
+        "name": "",
         "type": "uint256"
       }
     ],
-    "name": "delegate",
-    "outputs": [],
-    "stateMutability": "payable",
+    "stateMutability": "view",
     "type": "function"
   },
   {
-    "inputs": [
-      {
-        "internalType": "address",
-        "name": "validator",
-        "type": "address"
-      },
+    "inputs": [],
+    "name": "getMinDelegation",
+    "outputs": [
       {
         "internalType": "uint256",
-        "name": "amount",
+        "name": "",
         "type": "uint256"
       }
     ],
-    "name": "undelegate",
-    "outputs": [],
-    "stateMutability": "payable",
+    "stateMutability": "view",
     "type": "function"
   },
   {
     "inputs": [
       {
         "internalType": "address",
-        "name": "validatorSrc",
+        "name": "delegator",
         "type": "address"
       },
       {
         "internalType": "address",
-        "name": "validatorDst",
+        "name": "valSrc",
         "type": "address"
       },
+      {
+        "internalType": "address",
+        "name": "valDst",
+        "type": "address"
+      }
+    ],
+    "name": "getPendingRedelegateTime",
+    "outputs": [
       {
         "internalType": "uint256",
-        "name": "amount",
+        "name": "",
         "type": "uint256"
       }
     ],
-    "name": "redelegate",
-    "outputs": [],
-    "stateMutability": "payable",
+    "stateMutability": "view",
     "type": "function"
   },
   {
-    "inputs": [],
-    "name": "claimReward",
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "delegator",
+        "type": "address"
+      },
+      {
+        "internalType": "address",
+        "name": "validator",
+        "type": "address"
+      }
+    ],
+    "name": "getPendingUndelegateTime",
     "outputs": [
       {
         "internalType": "uint256",
-        "name": "amount",
+        "name": "",
         "type": "uint256"
       }
     ],
-    "stateMutability": "nonpayable",
+    "stateMutability": "view",
     "type": "function"
   },
   {
     "inputs": [],
-    "name": "claimUndelegated",
+    "name": "getRelayerFee",
     "outputs": [
       {
         "internalType": "uint256",
-        "name": "amount",
+        "name": "",
         "type": "uint256"
       }
     ],
-    "stateMutability": "nonpayable",
+    "stateMutability": "view",
     "type": "function"
   },
   {
@@ -1060,19 +1064,14 @@
         "internalType": "address",
         "name": "delegator",
         "type": "address"
-      },
-      {
-        "internalType": "address",
-        "name": "validator",
-        "type": "address"
       }
     ],
-    "name": "getDelegated",
+    "name": "getRequestInFly",
     "outputs": [
       {
-        "internalType": "uint256",
+        "internalType": "uint256[3]",
         "name": "",
-        "type": "uint256"
+        "type": "uint256[3]"
       }
     ],
     "stateMutability": "view",
@@ -1105,7 +1104,7 @@
         "type": "address"
       }
     ],
-    "name": "getDistributedReward",
+    "name": "getUndelegated",
     "outputs": [
       {
         "internalType": "uint256",
@@ -1119,41 +1118,66 @@
   {
     "inputs": [
       {
-        "internalType": "address",
-        "name": "delegator",
-        "type": "address"
-      },
-      {
-        "internalType": "address",
-        "name": "valSrc",
-        "type": "address"
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
       },
       {
-        "internalType": "address",
-        "name": "valDst",
-        "type": "address"
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
       }
     ],
-    "name": "getPendingRedelegateTime",
-    "outputs": [
+    "name": "handleAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       {
-        "internalType": "uint256",
+        "internalType": "uint8",
         "name": "",
-        "type": "uint256"
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
       }
     ],
-    "stateMutability": "view",
+    "name": "handleFailAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
     "type": "function"
   },
   {
     "inputs": [
       {
-        "internalType": "address",
-        "name": "delegator",
-        "type": "address"
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
       }
     ],
-    "name": "getUndelegated",
+    "name": "handleSynPackage",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "minDelegation",
     "outputs": [
       {
         "internalType": "uint256",
@@ -1168,29 +1192,28 @@
     "inputs": [
       {
         "internalType": "address",
-        "name": "delegator",
+        "name": "validatorSrc",
         "type": "address"
       },
       {
         "internalType": "address",
-        "name": "validator",
+        "name": "validatorDst",
         "type": "address"
-      }
-    ],
-    "name": "getPendingUndelegateTime",
-    "outputs": [
+      },
       {
         "internalType": "uint256",
-        "name": "",
+        "name": "amount",
         "type": "uint256"
       }
     ],
-    "stateMutability": "view",
+    "name": "redelegate",
+    "outputs": [],
+    "stateMutability": "payable",
     "type": "function"
   },
   {
     "inputs": [],
-    "name": "getRelayerFee",
+    "name": "relayerFee",
     "outputs": [
       {
         "internalType": "uint256",
@@ -1203,7 +1226,7 @@
   },
   {
     "inputs": [],
-    "name": "getMinDelegation",
+    "name": "transferGas",
     "outputs": [
       {
         "internalType": "uint256",
@@ -1218,19 +1241,18 @@
     "inputs": [
       {
         "internalType": "address",
-        "name": "delegator",
+        "name": "validator",
         "type": "address"
-      }
-    ],
-    "name": "getRequestInFly",
-    "outputs": [
+      },
       {
-        "internalType": "uint256[3]",
-        "name": "",
-        "type": "uint256[3]"
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
       }
     ],
-    "stateMutability": "view",
+    "name": "undelegate",
+    "outputs": [],
+    "stateMutability": "payable",
     "type": "function"
   },
   {
@@ -1250,5 +1272,9 @@
     "outputs": [],
     "stateMutability": "nonpayable",
     "type": "function"
+  },
+  {
+    "stateMutability": "payable",
+    "type": "receive"
   }
 ]
\ No newline at end of file
diff --git a/abi/systemreward.abi b/abi/systemreward.abi
index aca3233f..352cd95f 100644
--- a/abi/systemreward.abi
+++ b/abi/systemreward.abi
@@ -1,428 +1,468 @@
 [
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "from",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "receiveDeposit",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [],
-		"name": "rewardEmpty",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "to",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "rewardTo",
-		"type": "event"
-	},
-	{
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "fallback"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MAX_REWARDS",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "numOperator",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address payable",
-				"name": "to",
-				"type": "address"
-			},
-			{
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "claimRewards",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "addr",
-				"type": "address"
-			}
-		],
-		"name": "isOperator",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	}
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "operator",
+        "type": "address"
+      }
+    ],
+    "name": "addOperator",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "operator",
+        "type": "address"
+      }
+    ],
+    "name": "deleteOperator",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "receiveDeposit",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [],
+    "name": "rewardEmpty",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "rewardTo",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAX_REWARDS",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address payable",
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "claimRewards",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "addr",
+        "type": "address"
+      }
+    ],
+    "name": "isOperator",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "numOperator",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "stateMutability": "payable",
+    "type": "receive"
+  }
 ]
\ No newline at end of file
diff --git a/abi/tendermintlightclient.abi b/abi/tendermintlightclient.abi
index 8ed2dc61..93dc47fc 100644
--- a/abi/tendermintlightclient.abi
+++ b/abi/tendermintlightclient.abi
@@ -1,657 +1,586 @@
 [
-	{
-		"inputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "constructor"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint64",
-				"name": "initHeight",
-				"type": "uint64"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes32",
-				"name": "appHash",
-				"type": "bytes32"
-			}
-		],
-		"name": "initConsensusState",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint64",
-				"name": "height",
-				"type": "uint64"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint64",
-				"name": "preValidatorSetChangeHeight",
-				"type": "uint64"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes32",
-				"name": "appHash",
-				"type": "bytes32"
-			},
-			{
-				"indexed": false,
-				"internalType": "bool",
-				"name": "validatorChanged",
-				"type": "bool"
-			}
-		],
-		"name": "syncConsensusState",
-		"type": "event"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INIT_CONSENSUS_STATE_BYTES",
-		"outputs": [
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INIT_REWARD_FOR_VALIDATOR_SER_CHANGE",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "chainID",
-		"outputs": [
-			{
-				"internalType": "bytes32",
-				"name": "",
-				"type": "bytes32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "initialHeight",
-		"outputs": [
-			{
-				"internalType": "uint64",
-				"name": "",
-				"type": "uint64"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "latestHeight",
-		"outputs": [
-			{
-				"internalType": "uint64",
-				"name": "",
-				"type": "uint64"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint64",
-				"name": "",
-				"type": "uint64"
-			}
-		],
-		"name": "lightClientConsensusStates",
-		"outputs": [
-			{
-				"internalType": "uint64",
-				"name": "preValidatorSetChangeHeight",
-				"type": "uint64"
-			},
-			{
-				"internalType": "bytes32",
-				"name": "appHash",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "bytes32",
-				"name": "curValidatorSetHash",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "bytes",
-				"name": "nextValidatorSet",
-				"type": "bytes"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "rewardForValidatorSetChange",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint64",
-				"name": "",
-				"type": "uint64"
-			}
-		],
-		"name": "submitters",
-		"outputs": [
-			{
-				"internalType": "address payable",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [],
-		"name": "init",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "bytes",
-				"name": "header",
-				"type": "bytes"
-			},
-			{
-				"internalType": "uint64",
-				"name": "height",
-				"type": "uint64"
-			}
-		],
-		"name": "syncTendermintHeader",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint64",
-				"name": "height",
-				"type": "uint64"
-			}
-		],
-		"name": "isHeaderSynced",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint64",
-				"name": "height",
-				"type": "uint64"
-			}
-		],
-		"name": "getAppHash",
-		"outputs": [
-			{
-				"internalType": "bytes32",
-				"name": "",
-				"type": "bytes32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "uint64",
-				"name": "height",
-				"type": "uint64"
-			}
-		],
-		"name": "getSubmitter",
-		"outputs": [
-			{
-				"internalType": "address payable",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "getChainID",
-		"outputs": [
-			{
-				"internalType": "string",
-				"name": "",
-				"type": "string"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "updateParam",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	}
+  {
+    "inputs": [],
+    "stateMutability": "nonpayable",
+    "type": "constructor"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint64",
+        "name": "initHeight",
+        "type": "uint64"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes32",
+        "name": "appHash",
+        "type": "bytes32"
+      }
+    ],
+    "name": "initConsensusState",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint64",
+        "name": "height",
+        "type": "uint64"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint64",
+        "name": "preValidatorSetChangeHeight",
+        "type": "uint64"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes32",
+        "name": "appHash",
+        "type": "bytes32"
+      },
+      {
+        "indexed": false,
+        "internalType": "bool",
+        "name": "validatorChanged",
+        "type": "bool"
+      }
+    ],
+    "name": "syncConsensusState",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_CONSENSUS_STATE_BYTES",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_REWARD_FOR_VALIDATOR_SER_CHANGE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "chainID",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "initialHeight",
+    "outputs": [
+      {
+        "internalType": "uint64",
+        "name": "",
+        "type": "uint64"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "latestHeight",
+    "outputs": [
+      {
+        "internalType": "uint64",
+        "name": "",
+        "type": "uint64"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint64",
+        "name": "",
+        "type": "uint64"
+      }
+    ],
+    "name": "lightClientConsensusStates",
+    "outputs": [
+      {
+        "internalType": "uint64",
+        "name": "preValidatorSetChangeHeight",
+        "type": "uint64"
+      },
+      {
+        "internalType": "bytes32",
+        "name": "appHash",
+        "type": "bytes32"
+      },
+      {
+        "internalType": "bytes32",
+        "name": "curValidatorSetHash",
+        "type": "bytes32"
+      },
+      {
+        "internalType": "bytes",
+        "name": "nextValidatorSet",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "rewardForValidatorSetChange",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint64",
+        "name": "",
+        "type": "uint64"
+      }
+    ],
+    "name": "submitters",
+    "outputs": [
+      {
+        "internalType": "address payable",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "init",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes",
+        "name": "header",
+        "type": "bytes"
+      },
+      {
+        "internalType": "uint64",
+        "name": "height",
+        "type": "uint64"
+      }
+    ],
+    "name": "syncTendermintHeader",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint64",
+        "name": "height",
+        "type": "uint64"
+      }
+    ],
+    "name": "isHeaderSynced",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint64",
+        "name": "height",
+        "type": "uint64"
+      }
+    ],
+    "name": "getAppHash",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint64",
+        "name": "height",
+        "type": "uint64"
+      }
+    ],
+    "name": "getSubmitter",
+    "outputs": [
+      {
+        "internalType": "address payable",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getChainID",
+    "outputs": [
+      {
+        "internalType": "string",
+        "name": "",
+        "type": "string"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
 ]
\ No newline at end of file
diff --git a/abi/tokenhub.abi b/abi/tokenhub.abi
index 1faeb599..f8ede968 100644
--- a/abi/tokenhub.abi
+++ b/abi/tokenhub.abi
@@ -1,1057 +1,1299 @@
 [
-	{
-		"inputs": [],
-		"stateMutability": "nonpayable",
-		"type": "constructor"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "from",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "receiveDeposit",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "refundAddr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint32",
-				"name": "status",
-				"type": "uint32"
-			}
-		],
-		"name": "refundFailure",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "refundAddr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint32",
-				"name": "status",
-				"type": "uint32"
-			}
-		],
-		"name": "refundSuccess",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "to",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "rewardTo",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "refundAddr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "transferInSuccess",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "address",
-				"name": "senderAddr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "relayFee",
-				"type": "uint256"
-			}
-		],
-		"name": "transferOutSuccess",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "unexpectedPackage",
-		"type": "event"
-	},
-	{
-		"inputs": [],
-		"name": "BEP2_TOKEN_DECIMALS",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "BEP2_TOKEN_SYMBOL_FOR_BNB",
-		"outputs": [
-			{
-				"internalType": "bytes32",
-				"name": "",
-				"type": "bytes32"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "CROSS_STAKE_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "INIT_MINIMUM_RELAY_FEE",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "MAXIMUM_BEP20_SYMBOL_LEN",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "MAX_BEP2_TOTAL_SUPPLY",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "MAX_GAS_FOR_CALLING_BEP20",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "MAX_GAS_FOR_TRANSFER_BNB",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "MINIMUM_BEP20_SYMBOL_LEN",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "REWARD_UPPER_LIMIT",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "STAKING_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TEN_DECIMALS",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_IN_FAILURE_INSUFFICIENT_BALANCE",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_IN_FAILURE_NON_PAYABLE_RECIPIENT",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_IN_FAILURE_TIMEOUT",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_IN_FAILURE_UNBOUND_TOKEN",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_IN_FAILURE_UNKNOWN",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_IN_SUCCESS",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "bep20ContractDecimals",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "relayFee",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"stateMutability": "payable",
-		"type": "receive"
-	},
-	{
-		"inputs": [],
-		"name": "init",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address payable",
-				"name": "to",
-				"type": "address"
-			},
-			{
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "claimRewards",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [],
-		"name": "getMiniRelayFee",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleSynPackage",
-		"outputs": [
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleAckPackage",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleFailAckPackage",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			},
-			{
-				"internalType": "address",
-				"name": "recipient",
-				"type": "address"
-			},
-			{
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint64",
-				"name": "expireTime",
-				"type": "uint64"
-			}
-		],
-		"name": "transferOut",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address[]",
-				"name": "recipientAddrs",
-				"type": "address[]"
-			},
-			{
-				"internalType": "uint256[]",
-				"name": "amounts",
-				"type": "uint256[]"
-			},
-			{
-				"internalType": "address[]",
-				"name": "refundAddrs",
-				"type": "address[]"
-			},
-			{
-				"internalType": "uint64",
-				"name": "expireTime",
-				"type": "uint64"
-			}
-		],
-		"name": "batchTransferOutBNB",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "updateParam",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "bytes32",
-				"name": "bep2Symbol",
-				"type": "bytes32"
-			}
-		],
-		"name": "getContractAddrByBEP2Symbol",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			}
-		],
-		"name": "getBep2SymbolByContractAddr",
-		"outputs": [
-			{
-				"internalType": "bytes32",
-				"name": "",
-				"type": "bytes32"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "bytes32",
-				"name": "bep2Symbol",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			},
-			{
-				"internalType": "uint256",
-				"name": "decimals",
-				"type": "uint256"
-			}
-		],
-		"name": "bindToken",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "bytes32",
-				"name": "bep2Symbol",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			}
-		],
-		"name": "unbindToken",
-		"outputs": [],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "bep2Symbol",
-				"type": "string"
-			}
-		],
-		"name": "getBoundContract",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			}
-		],
-		"name": "getBoundBep2Symbol",
-		"outputs": [
-			{
-				"internalType": "string",
-				"name": "",
-				"type": "string"
-			}
-		],
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"inputs": [
-			{
-				"internalType": "uint256",
-				"name": "amount",
-				"type": "uint256"
-			}
-		],
-		"name": "withdrawStakingBNB",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"stateMutability": "nonpayable",
-		"type": "function"
-	}
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "tokenAddr",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "attacker",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "CancelTransfer",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "tokenAddr",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "largeTransferLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "LargeTransferLimitSet",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "tokenAddr",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "unlockAt",
+        "type": "uint256"
+      }
+    ],
+    "name": "LargeTransferLocked",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "tokenAddr",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "WithdrawUnlockedToken",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "receiveDeposit",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "refundAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint32",
+        "name": "status",
+        "type": "uint32"
+      }
+    ],
+    "name": "refundFailure",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "refundAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint32",
+        "name": "status",
+        "type": "uint32"
+      }
+    ],
+    "name": "refundSuccess",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "rewardTo",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "refundAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "transferInSuccess",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "address",
+        "name": "senderAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "relayFee",
+        "type": "uint256"
+      }
+    ],
+    "name": "transferOutSuccess",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "unexpectedPackage",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BEP2_TOKEN_DECIMALS",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BEP2_TOKEN_SYMBOL_FOR_BNB",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_BNB_LARGE_TRANSFER_LIMIT",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_LOCK_PERIOD",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INIT_MINIMUM_RELAY_FEE",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAXIMUM_BEP20_SYMBOL_LEN",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAX_BEP2_TOTAL_SUPPLY",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAX_GAS_FOR_CALLING_BEP20",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAX_GAS_FOR_TRANSFER_BNB",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MINIMUM_BEP20_SYMBOL_LEN",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "REWARD_UPPER_LIMIT",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TEN_DECIMALS",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_FAILURE_INSUFFICIENT_BALANCE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_FAILURE_NON_PAYABLE_RECIPIENT",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_FAILURE_TIMEOUT",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_FAILURE_UNBOUND_TOKEN",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_FAILURE_UNKNOWN",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_SUCCESS",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address[]",
+        "name": "recipientAddrs",
+        "type": "address[]"
+      },
+      {
+        "internalType": "uint256[]",
+        "name": "amounts",
+        "type": "uint256[]"
+      },
+      {
+        "internalType": "address[]",
+        "name": "refundAddrs",
+        "type": "address[]"
+      },
+      {
+        "internalType": "uint64",
+        "name": "expireTime",
+        "type": "uint64"
+      }
+    ],
+    "name": "batchTransferOutBNB",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "bep20ContractDecimals",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "bep2Symbol",
+        "type": "bytes32"
+      },
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "decimals",
+        "type": "uint256"
+      }
+    ],
+    "name": "bindToken",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "tokenAddress",
+        "type": "address"
+      },
+      {
+        "internalType": "address",
+        "name": "attacker",
+        "type": "address"
+      }
+    ],
+    "name": "cancelTransferIn",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address payable",
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "claimRewards",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      }
+    ],
+    "name": "getBep2SymbolByContractAddr",
+    "outputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      }
+    ],
+    "name": "getBoundBep2Symbol",
+    "outputs": [
+      {
+        "internalType": "string",
+        "name": "",
+        "type": "string"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "bep2Symbol",
+        "type": "string"
+      }
+    ],
+    "name": "getBoundContract",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "bep2Symbol",
+        "type": "bytes32"
+      }
+    ],
+    "name": "getContractAddrByBEP2Symbol",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getMiniRelayFee",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleFailAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleSynPackage",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "init",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "largeTransferLimitMap",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      },
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "lockInfoMap",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "unlockAt",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "lockPeriod",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "relayFee",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "bep20Token",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "largeTransferLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "setLargeTransferLimit",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "internalType": "address",
+        "name": "recipient",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint64",
+        "name": "expireTime",
+        "type": "uint64"
+      }
+    ],
+    "name": "transferOut",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "bep2Symbol",
+        "type": "bytes32"
+      },
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      }
+    ],
+    "name": "unbindToken",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "withdrawStakingBNB",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "tokenAddress",
+        "type": "address"
+      },
+      {
+        "internalType": "address",
+        "name": "recipient",
+        "type": "address"
+      }
+    ],
+    "name": "withdrawUnlockedToken",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "stateMutability": "payable",
+    "type": "receive"
+  }
 ]
\ No newline at end of file
diff --git a/abi/tokenmanager.abi b/abi/tokenmanager.abi
index 1d03235b..11d7ea2a 100644
--- a/abi/tokenmanager.abi
+++ b/abi/tokenmanager.abi
@@ -1,1202 +1,1081 @@
 [
-	{
-		"inputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "constructor"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "bep2Symbol",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint32",
-				"name": "failedReason",
-				"type": "uint32"
-			}
-		],
-		"name": "bindFailure",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "bep2Symbol",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "totalSupply",
-				"type": "uint256"
-			},
-			{
-				"indexed": false,
-				"internalType": "uint256",
-				"name": "peggyAmount",
-				"type": "uint256"
-			}
-		],
-		"name": "bindSuccess",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "reason",
-				"type": "string"
-			}
-		],
-		"name": "mirrorFailure",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes32",
-				"name": "bep2Symbol",
-				"type": "bytes32"
-			}
-		],
-		"name": "mirrorSuccess",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "paramChange",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"indexed": false,
-				"internalType": "string",
-				"name": "reason",
-				"type": "string"
-			}
-		],
-		"name": "syncFailure",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": true,
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			}
-		],
-		"name": "syncSuccess",
-		"type": "event"
-	},
-	{
-		"anonymous": false,
-		"inputs": [
-			{
-				"indexed": false,
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"indexed": false,
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "unexpectedPackage",
-		"type": "event"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BEP2_TOKEN_DECIMALS",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_PACKAGE",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_ALREADY_BOUND_TOKEN",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_DECIMALS_MISMATCH",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_REJECTED",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_SUCCESS",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_SYMBOL_MISMATCH",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_TIMEOUT",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_TOO_MUCH_TOKENHUB_BALANCE",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "BIND_STATUS_TOTAL_SUPPLY_MISMATCH",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CODE_OK",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "CROSS_CHAIN_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "ERROR_FAIL_DECODE",
-		"outputs": [
-			{
-				"internalType": "uint32",
-				"name": "",
-				"type": "uint32"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "GOV_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "INCENTIVIZE_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "LIGHT_CLIENT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MAXIMUM_BEP20_SYMBOL_LEN",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MAX_BEP2_TOTAL_SUPPLY",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MAX_GAS_FOR_TRANSFER_BNB",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MINIMUM_BEP20_SYMBOL_LEN",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MIRROR_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MIRROR_STATUS_ALREADY_BOUND",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MIRROR_STATUS_DUPLICATED_BEP2_SYMBOL",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MIRROR_STATUS_SUCCESS",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "MIRROR_STATUS_TIMEOUT",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "RELAYERHUB_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SLASH_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "STAKING_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYNC_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYNC_STATUS_NOT_BOUND_MIRROR",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYNC_STATUS_SUCCESS",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYNC_STATUS_TIMEOUT",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "SYSTEM_REWARD_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TEN_DECIMALS",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_HUB_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TOKEN_MANAGER_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_IN_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "TRANSFER_OUT_CHANNELID",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "UNBIND_PACKAGE",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "",
-				"type": "uint8"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "VALIDATOR_CONTRACT_ADDR",
-		"outputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "alreadyInit",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			},
-			{
-				"internalType": "string",
-				"name": "bep2Symbol",
-				"type": "string"
-			}
-		],
-		"name": "approveBind",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "bytes32",
-				"name": "",
-				"type": "bytes32"
-			}
-		],
-		"name": "bindPackageRecord",
-		"outputs": [
-			{
-				"internalType": "uint8",
-				"name": "packageType",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes32",
-				"name": "bep2TokenSymbol",
-				"type": "bytes32"
-			},
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			},
-			{
-				"internalType": "uint256",
-				"name": "totalSupply",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint256",
-				"name": "peggyAmount",
-				"type": "uint256"
-			},
-			{
-				"internalType": "uint8",
-				"name": "bep20Decimals",
-				"type": "uint8"
-			},
-			{
-				"internalType": "uint64",
-				"name": "expireTime",
-				"type": "uint64"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "boundByMirror",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "bscChainID",
-		"outputs": [
-			{
-				"internalType": "uint16",
-				"name": "",
-				"type": "uint16"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "bep2Symbol",
-				"type": "string"
-			}
-		],
-		"name": "expireBind",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleFailAckPackage",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "uint8",
-				"name": "channelId",
-				"type": "uint8"
-			},
-			{
-				"internalType": "bytes",
-				"name": "msgBytes",
-				"type": "bytes"
-			}
-		],
-		"name": "handleSynPackage",
-		"outputs": [
-			{
-				"internalType": "bytes",
-				"name": "",
-				"type": "bytes"
-			}
-		],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"internalType": "uint64",
-				"name": "expireTime",
-				"type": "uint64"
-			}
-		],
-		"name": "mirror",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "mirrorFee",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "",
-				"type": "address"
-			}
-		],
-		"name": "mirrorPendingRecord",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "symbol",
-				"type": "string"
-			}
-		],
-		"name": "queryRequiredLockAmountForBind",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "contractAddr",
-				"type": "address"
-			},
-			{
-				"internalType": "string",
-				"name": "bep2Symbol",
-				"type": "string"
-			}
-		],
-		"name": "rejectBind",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "address",
-				"name": "bep20Addr",
-				"type": "address"
-			},
-			{
-				"internalType": "uint64",
-				"name": "expireTime",
-				"type": "uint64"
-			}
-		],
-		"name": "sync",
-		"outputs": [
-			{
-				"internalType": "bool",
-				"name": "",
-				"type": "bool"
-			}
-		],
-		"payable": true,
-		"stateMutability": "payable",
-		"type": "function"
-	},
-	{
-		"constant": true,
-		"inputs": [],
-		"name": "syncFee",
-		"outputs": [
-			{
-				"internalType": "uint256",
-				"name": "",
-				"type": "uint256"
-			}
-		],
-		"payable": false,
-		"stateMutability": "view",
-		"type": "function"
-	},
-	{
-		"constant": false,
-		"inputs": [
-			{
-				"internalType": "string",
-				"name": "key",
-				"type": "string"
-			},
-			{
-				"internalType": "bytes",
-				"name": "value",
-				"type": "bytes"
-			}
-		],
-		"name": "updateParam",
-		"outputs": [],
-		"payable": false,
-		"stateMutability": "nonpayable",
-		"type": "function"
-	}
+  {
+    "inputs": [],
+    "stateMutability": "nonpayable",
+    "type": "constructor"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "bep2Symbol",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint32",
+        "name": "failedReason",
+        "type": "uint32"
+      }
+    ],
+    "name": "bindFailure",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "bep2Symbol",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "totalSupply",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "peggyAmount",
+        "type": "uint256"
+      }
+    ],
+    "name": "bindSuccess",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint8",
+        "name": "errCode",
+        "type": "uint8"
+      }
+    ],
+    "name": "mirrorFailure",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes32",
+        "name": "bep2Symbol",
+        "type": "bytes32"
+      }
+    ],
+    "name": "mirrorSuccess",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "paramChange",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint8",
+        "name": "errCode",
+        "type": "uint8"
+      }
+    ],
+    "name": "syncFailure",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      }
+    ],
+    "name": "syncSuccess",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "unexpectedPackage",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "BEP2_TOKEN_DECIMALS",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_PACKAGE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_STATUS_ALREADY_BOUND_TOKEN",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_STATUS_DECIMALS_MISMATCH",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_STATUS_REJECTED",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_STATUS_SYMBOL_MISMATCH",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_STATUS_TIMEOUT",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_STATUS_TOO_MUCH_TOKENHUB_BALANCE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "BIND_STATUS_TOTAL_SUPPLY_MISMATCH",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CODE_OK",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_CHAIN_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "CROSS_STAKE_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "ERROR_FAIL_DECODE",
+    "outputs": [
+      {
+        "internalType": "uint32",
+        "name": "",
+        "type": "uint32"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "GOV_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "INCENTIVIZE_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LIGHT_CLIENT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "LOG_MAX_UINT256",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAXIMUM_BEP20_SYMBOL_LEN",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAX_BEP2_TOTAL_SUPPLY",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MAX_GAS_FOR_TRANSFER_BNB",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MINIMUM_BEP20_SYMBOL_LEN",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MIRROR_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MIRROR_STATUS_ALREADY_BOUND",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MIRROR_STATUS_DUPLICATED_BEP2_SYMBOL",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "MIRROR_STATUS_TIMEOUT",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "RELAYERHUB_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SLASH_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "STAKING_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYNC_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYNC_STATUS_NOT_BOUND_MIRROR",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYNC_STATUS_TIMEOUT",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "SYSTEM_REWARD_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TEN_DECIMALS",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_HUB_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TOKEN_MANAGER_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_IN_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "TRANSFER_OUT_CHANNELID",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "UNBIND_PACKAGE",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "VALIDATOR_CONTRACT_ADDR",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "alreadyInit",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "internalType": "string",
+        "name": "bep2Symbol",
+        "type": "string"
+      }
+    ],
+    "name": "approveBind",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "bytes32",
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "name": "bindPackageRecord",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "packageType",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes32",
+        "name": "bep2TokenSymbol",
+        "type": "bytes32"
+      },
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "totalSupply",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "peggyAmount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint8",
+        "name": "bep20Decimals",
+        "type": "uint8"
+      },
+      {
+        "internalType": "uint64",
+        "name": "expireTime",
+        "type": "uint64"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "boundByMirror",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bscChainID",
+    "outputs": [
+      {
+        "internalType": "uint16",
+        "name": "",
+        "type": "uint16"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "bep2Symbol",
+        "type": "string"
+      }
+    ],
+    "name": "expireBind",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleFailAckPackage",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint8",
+        "name": "channelId",
+        "type": "uint8"
+      },
+      {
+        "internalType": "bytes",
+        "name": "msgBytes",
+        "type": "bytes"
+      }
+    ],
+    "name": "handleSynPackage",
+    "outputs": [
+      {
+        "internalType": "bytes",
+        "name": "",
+        "type": "bytes"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "internalType": "uint64",
+        "name": "expireTime",
+        "type": "uint64"
+      }
+    ],
+    "name": "mirror",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "mirrorFee",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "name": "mirrorPendingRecord",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "symbol",
+        "type": "string"
+      }
+    ],
+    "name": "queryRequiredLockAmountForBind",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "contractAddr",
+        "type": "address"
+      },
+      {
+        "internalType": "string",
+        "name": "bep2Symbol",
+        "type": "string"
+      }
+    ],
+    "name": "rejectBind",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "bep20Addr",
+        "type": "address"
+      },
+      {
+        "internalType": "uint64",
+        "name": "expireTime",
+        "type": "uint64"
+      }
+    ],
+    "name": "sync",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "syncFee",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "string",
+        "name": "key",
+        "type": "string"
+      },
+      {
+        "internalType": "bytes",
+        "name": "value",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateParam",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  }
 ]
\ No newline at end of file
diff --git a/contracts/BSCValidatorSet.sol b/contracts/BSCValidatorSet.sol
index f2f7fbb4..c0ef234a 100644
--- a/contracts/BSCValidatorSet.sol
+++ b/contracts/BSCValidatorSet.sol
@@ -1,4 +1,5 @@
 pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
 
 import "./System.sol";
 import "./lib/BytesToTypes.sol";
@@ -54,7 +55,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
 
   uint256 public constant BURN_RATIO_SCALE = 10000;
   address public constant BURN_ADDRESS = 0x000000000000000000000000000000000000dEaD;
-  uint256 public constant INIT_BURN_RATIO = 0;
+  uint256 public constant INIT_BURN_RATIO = 1000;
   uint256 public burnRatio;
   bool public burnRatioInitialized;
 
@@ -74,7 +75,15 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   uint256 public maxNumOfCandidates;
   uint256 public maxNumOfWorkingCandidates;
 
-  struct Validator{
+  // BEP-126 Fast Finality
+  uint256 public constant INIT_FINALITY_REWARD_RATIO = 50;
+  uint256 public constant MAX_SYSTEM_REWARD_BALANCE = 100 ether;
+
+  uint256 public finalityRewardRatio;
+  uint256 public previousHeight;
+  uint256 public previousBalanceOfSystemReward;
+
+  struct Validator {
     address consensusAddress;
     address payable feeAddress;
     address BBCFeeAddress;
@@ -90,14 +99,18 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     uint256 enterMaintenanceHeight;     // the height from where the validator enters Maintenance
     bool isMaintaining;
 
+    // BEP-126 Fast Finality
+    bytes voteAddress;
+
     // reserve for future use
-    uint256[20] slots;
+    uint256[19] slots;
   }
 
   /*********************** cross chain package **************************/
   struct IbcValidatorSetPackage {
     uint8  packageType;
     Validator[] validatorSet;
+    bytes[] voteAddrs;
   }
 
   /*********************** modifiers **************************/
@@ -111,7 +124,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       ValidatorExtra memory validatorExtra;
       // init validatorExtraSet
       uint256 validatorsNum = currentValidatorSet.length;
-      for (uint i; i < validatorsNum; ++i) {
+      for (uint i; i<validatorsNum; ++i) {
         validatorExtraSet.push(validatorExtra);
       }
     }
@@ -119,6 +132,12 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     _;
   }
 
+  modifier oncePerBlock() {
+    require(block.number > previousHeight, "can not do this twice in one block");
+    _;
+    previousHeight = block.number;
+  }
+
   /*********************** events **************************/
   event validatorSetUpdated();
   event validatorJailed(address indexed validator);
@@ -139,12 +158,14 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   event feeBurned(uint256 amount);
   event validatorEnterMaintenance(address indexed validator);
   event validatorExitMaintenance(address indexed validator);
+  event finalityRewardDeposit(address indexed validator, uint256 amount);
+  event deprecatedFinalityRewardDeposit(address indexed validator, uint256 amount);
 
   /*********************** init **************************/
   function init() external onlyNotInit{
     (IbcValidatorSetPackage memory validatorSetPkg, bool valid)= decodeValidatorSetSynPackage(INIT_VALIDATORSET_BYTES);
     require(valid, "failed to parse init validatorSet");
-    for (uint i;i<validatorSetPkg.validatorSet.length;++i) {
+    for (uint i; i<validatorSetPkg.validatorSet.length; ++i) {
       currentValidatorSet.push(validatorSetPkg.validatorSet[i]);
       currentValidatorSetMap[validatorSetPkg.validatorSet[i].consensusAddress] = i+1;
     }
@@ -152,6 +173,8 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     alreadyInit = true;
   }
 
+  receive() external payable {}
+
   /*********************** Cross Chain App Implement **************************/
   function handleSynPackage(uint8, bytes calldata msgBytes) onlyInit onlyCrossChainContract initValidatorExtraSet external override returns(bytes memory responsePayload) {
     (IbcValidatorSetPackage memory validatorSetPackage, bool ok) = decodeValidatorSetSynPackage(msgBytes);
@@ -160,7 +183,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
     uint32 resCode;
     if (validatorSetPackage.packageType == VALIDATORS_UPDATE_MESSAGE_TYPE) {
-      resCode = updateValidatorSet(validatorSetPackage.validatorSet);
+      resCode = updateValidatorSet(validatorSetPackage.validatorSet, validatorSetPackage.voteAddrs);
     } else if (validatorSetPackage.packageType == JAIL_MESSAGE_TYPE) {
       if (validatorSetPackage.validatorSet.length != 1) {
         emit failReasonWithStr("length of jail validators must be one");
@@ -248,104 +271,113 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return CODE_OK;
   }
 
-  function updateValidatorSet(Validator[] memory validatorSet) internal returns (uint32) {
+  function updateValidatorSet(Validator[] memory validatorSet, bytes[] memory voteAddrs) internal returns (uint32) {
     {
       // do verify.
-      (bool valid, string memory errMsg) = checkValidatorSet(validatorSet);
-      if (!valid) {
-        emit failReasonWithStr(errMsg);
+      if (validatorSet.length > MAX_NUM_OF_VALIDATORS) {
+        emit failReasonWithStr("the number of validators exceed the limit");
         return ERROR_FAIL_CHECK_VALIDATORS;
       }
+      for (uint i; i<validatorSet.length; ++i) {
+        for (uint j; j<i; ++j) {
+          if (validatorSet[i].consensusAddress == validatorSet[j].consensusAddress) {
+            emit failReasonWithStr("duplicate consensus address of validatorSet");
+            return ERROR_FAIL_CHECK_VALIDATORS;
+          }
+        }
+      }
     }
 
     // step 0: force all maintaining validators to exit `Temporary Maintenance`
     // - 1. validators exit maintenance
     // - 2. clear all maintainInfo
     // - 3. get unjailed validators from validatorSet
-    Validator[] memory validatorSetTemp = _forceMaintainingValidatorsExit(validatorSet);
-
-    //step 1: do calculate distribution, do not make it as an internal function for saving gas.
-    uint crossSize;
-    uint directSize;
-    uint validatorsNum = currentValidatorSet.length;
-    for (uint i; i < validatorsNum; ++i) {
-      if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
-        ++crossSize;
-      } else if (currentValidatorSet[i].incoming > 0) {
-        ++directSize;
-      }
-    }
-
-    //cross transfer
-    address[] memory crossAddrs = new address[](crossSize);
-    uint256[] memory crossAmounts = new uint256[](crossSize);
-    uint256[] memory crossIndexes = new uint256[](crossSize);
-    address[] memory crossRefundAddrs = new address[](crossSize);
-    uint256 crossTotal;
-    // direct transfer
-    address payable[] memory directAddrs = new address payable[](directSize);
-    uint256[] memory directAmounts = new uint256[](directSize);
-    crossSize = 0;
-    directSize = 0;
-    uint256 relayFee = ITokenHub(TOKEN_HUB_ADDR).getMiniRelayFee();
-    if (relayFee > DUSTY_INCOMING) {
-      emit failReasonWithStr("fee is larger than DUSTY_INCOMING");
-      return ERROR_RELAYFEE_TOO_LARGE;
-    }
-    for (uint i; i < validatorsNum; ++i) {
-      if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
-        crossAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
-        uint256 value = currentValidatorSet[i].incoming - currentValidatorSet[i].incoming % PRECISION;
-        crossAmounts[crossSize] = value.sub(relayFee);
-        crossRefundAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
-        crossIndexes[crossSize] = i;
-        crossTotal = crossTotal.add(value);
-        ++crossSize;
-      } else if (currentValidatorSet[i].incoming > 0) {
-        directAddrs[directSize] = currentValidatorSet[i].feeAddress;
-        directAmounts[directSize] = currentValidatorSet[i].incoming;
-        ++directSize;
-      }
-    }
-
-    //step 2: do cross chain transfer
-    bool failCross = false;
-    if (crossTotal > 0) {
-      try ITokenHub(TOKEN_HUB_ADDR).batchTransferOutBNB{value:crossTotal}(crossAddrs, crossAmounts, crossRefundAddrs, uint64(block.timestamp + expireTimeSecondGap)) returns (bool success) {
-        if (success) {
-           emit batchTransfer(crossTotal);
-        } else {
-           emit batchTransferFailed(crossTotal, "batch transfer return false");
+    (Validator[] memory validatorSetTemp, bytes[] memory voteAddrsTemp) = _forceMaintainingValidatorsExit(validatorSet, voteAddrs);
+
+    {
+      //step 1: do calculate distribution, do not make it as an internal function for saving gas.
+      uint crossSize;
+      uint directSize;
+      uint validatorsNum = currentValidatorSet.length;
+      for (uint i; i<validatorsNum; ++i) {
+        if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
+          ++crossSize;
+        } else if (currentValidatorSet[i].incoming > 0) {
+          ++directSize;
         }
-      }catch Error(string memory reason) {
-        failCross = true;
-        emit batchTransferFailed(crossTotal, reason);
-      }catch (bytes memory lowLevelData) {
-        failCross = true;
-        emit batchTransferLowerFailed(crossTotal, lowLevelData);
       }
-    }
 
-    if (failCross) {
-      for (uint i; i< crossIndexes.length;++i) {
-        uint idx = crossIndexes[i];
-        bool success = currentValidatorSet[idx].feeAddress.send(currentValidatorSet[idx].incoming);
-        if (success) {
-          emit directTransfer(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
-        } else {
-          emit directTransferFail(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
+      //cross transfer
+      address[] memory crossAddrs = new address[](crossSize);
+      uint256[] memory crossAmounts = new uint256[](crossSize);
+      uint256[] memory crossIndexes = new uint256[](crossSize);
+      address[] memory crossRefundAddrs = new address[](crossSize);
+      uint256 crossTotal;
+      // direct transfer
+      address payable[] memory directAddrs = new address payable[](directSize);
+      uint256[] memory directAmounts = new uint256[](directSize);
+      crossSize = 0;
+      directSize = 0;
+      uint256 relayFee = ITokenHub(TOKEN_HUB_ADDR).getMiniRelayFee();
+      if (relayFee > DUSTY_INCOMING) {
+        emit failReasonWithStr("fee is larger than DUSTY_INCOMING");
+        return ERROR_RELAYFEE_TOO_LARGE;
+      }
+      for (uint i; i<validatorsNum; ++i) {
+        if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
+          crossAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
+          uint256 value = currentValidatorSet[i].incoming - currentValidatorSet[i].incoming % PRECISION;
+          crossAmounts[crossSize] = value.sub(relayFee);
+          crossRefundAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
+          crossIndexes[crossSize] = i;
+          crossTotal = crossTotal.add(value);
+          ++crossSize;
+        } else if (currentValidatorSet[i].incoming > 0) {
+          directAddrs[directSize] = currentValidatorSet[i].feeAddress;
+          directAmounts[directSize] = currentValidatorSet[i].incoming;
+          ++directSize;
         }
       }
-    }
 
-    // step 3: direct transfer
-    if (directAddrs.length>0) {
-      for (uint i;i<directAddrs.length;++i) {
-        bool success = directAddrs[i].send(directAmounts[i]);
-        if (success) {
-          emit directTransfer(directAddrs[i], directAmounts[i]);
-        } else {
-          emit directTransferFail(directAddrs[i], directAmounts[i]);
+      //step 2: do cross chain transfer
+      bool failCross = false;
+      if (crossTotal > 0) {
+        try ITokenHub(TOKEN_HUB_ADDR).batchTransferOutBNB{value : crossTotal}(crossAddrs, crossAmounts, crossRefundAddrs, uint64(block.timestamp + expireTimeSecondGap)) returns (bool success) {
+          if (success) {
+            emit batchTransfer(crossTotal);
+          } else {
+            emit batchTransferFailed(crossTotal, "batch transfer return false");
+          }
+        }catch Error(string memory reason) {
+          failCross = true;
+          emit batchTransferFailed(crossTotal, reason);
+        }catch (bytes memory lowLevelData) {
+          failCross = true;
+          emit batchTransferLowerFailed(crossTotal, lowLevelData);
+        }
+      }
+
+      if (failCross) {
+        for (uint i; i<crossIndexes.length; ++i) {
+          uint idx = crossIndexes[i];
+          bool success = currentValidatorSet[idx].feeAddress.send(currentValidatorSet[idx].incoming);
+          if (success) {
+            emit directTransfer(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
+          } else {
+            emit directTransferFail(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
+          }
+        }
+      }
+
+      // step 3: direct transfer
+      if (directAddrs.length>0) {
+        for (uint i; i<directAddrs.length; ++i) {
+          bool success = directAddrs[i].send(directAmounts[i]);
+          if (success) {
+            emit directTransfer(directAddrs[i], directAmounts[i]);
+          } else {
+            emit directTransferFail(directAddrs[i], directAmounts[i]);
+          }
         }
       }
     }
@@ -359,7 +391,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     totalInComing = 0;
     numOfJailed = 0;
     if (validatorSetTemp.length>0) {
-      doUpdateState(validatorSetTemp);
+      doUpdateState(validatorSetTemp, voteAddrsTemp);
     }
 
     // step 6: clean slash contract
@@ -372,13 +404,16 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
    * @dev With each epoch, there will be a partial rotation between cabinets and candidates. Rotation is determined by this function
    *
    */
-  function shuffle(address[] memory validators, uint256 epochNumber, uint startIdx, uint offset, uint limit, uint modNumber) internal pure {
+  function shuffle(address[] memory validators, bytes[] memory voteAddrs, uint256 epochNumber, uint startIdx, uint offset, uint limit, uint modNumber) internal pure {
     for (uint i; i<limit; ++i) {
       uint random = uint(keccak256(abi.encodePacked(epochNumber, startIdx+i))) % modNumber;
       if ( (startIdx+i) != (offset+random) ) {
-        address tmp = validators[startIdx+i];
+        address tmpAddr = validators[startIdx+i];
+        bytes memory tmpBLS = voteAddrs[startIdx+i];
         validators[startIdx+i] = validators[offset+random];
-        validators[offset+random] = tmp;
+        validators[offset+random] = tmpAddr;
+        voteAddrs[startIdx+i] = voteAddrs[offset+random];
+        voteAddrs[offset+random] = tmpBLS;
       }
     }
   }
@@ -387,7 +422,37 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
    * @dev Get mining validators that are block producers in the current epoch, including most of the cabinets and a few of the candidates
    *
    */
-  function getMiningValidators() public view returns(address[] memory) {
+  function getLivingValidators() external view override returns (address[] memory, bytes[] memory) {
+    uint n = currentValidatorSet.length;
+    uint living;
+    for (uint i; i<n; ++i) {
+      if (!currentValidatorSet[i].jailed) {
+        living ++;
+      }
+    }
+    address[] memory consensusAddrs = new address[](living);
+    bytes[] memory voteAddrs = new bytes[](living);
+    living = 0;
+    if (validatorExtraSet.length == n) {
+      for (uint i; i<n; ++i) {
+        if (!currentValidatorSet[i].jailed) {
+          consensusAddrs[living] = currentValidatorSet[i].consensusAddress;
+          voteAddrs[living] = validatorExtraSet[i].voteAddress;
+          living ++;
+        }
+      }
+    } else {
+      for (uint i; i<n; ++i) {
+        if (!currentValidatorSet[i].jailed) {
+          consensusAddrs[living] = currentValidatorSet[i].consensusAddress;
+          living ++;
+        }
+      }
+    }
+    return (consensusAddrs, voteAddrs);
+  }
+
+  function getMiningValidators() external view override returns(address[] memory, bytes[] memory) {
     uint256 _maxNumOfWorkingCandidates = maxNumOfWorkingCandidates;
     uint256 _numOfCabinets = numOfCabinets;
     if (_numOfCabinets == 0 ){
@@ -395,8 +460,9 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
 
     address[] memory validators = getValidators();
+    bytes[] memory voteAddrs = getVoteAddresses(validators);
     if (validators.length <= _numOfCabinets) {
-      return validators;
+      return (validators, voteAddrs);
     }
 
     if ((validators.length - _numOfCabinets) < _maxNumOfWorkingCandidates){
@@ -404,15 +470,17 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
     if (_maxNumOfWorkingCandidates > 0) {
       uint256 epochNumber = block.number / EPOCH;
-      shuffle(validators, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, 0, _maxNumOfWorkingCandidates, _numOfCabinets);
-      shuffle(validators, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, _numOfCabinets-_maxNumOfWorkingCandidates,
-      _maxNumOfWorkingCandidates, validators.length-_numOfCabinets+_maxNumOfWorkingCandidates);
+      shuffle(validators, voteAddrs, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, 0, _maxNumOfWorkingCandidates, _numOfCabinets);
+      shuffle(validators, voteAddrs, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, _numOfCabinets-_maxNumOfWorkingCandidates,
+        _maxNumOfWorkingCandidates, validators.length - _numOfCabinets+_maxNumOfWorkingCandidates);
     }
     address[] memory miningValidators = new address[](_numOfCabinets);
+    bytes[] memory miningVoteAddrs = new bytes[](_numOfCabinets);
     for (uint i; i<_numOfCabinets; ++i) {
       miningValidators[i] = validators[i];
+      miningVoteAddrs[i] = voteAddrs[i];
     }
-    return miningValidators;
+    return (miningValidators, miningVoteAddrs);
   }
 
   /**
@@ -470,6 +538,63 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return isWorkingValidator(index);
   }
 
+  function distributeFinalityReward(address[] calldata valAddrs, uint256[] calldata weights) external onlyCoinbase oncePerBlock onlyInit {
+    // first time to call this function
+    if (finalityRewardRatio == 0) {
+      finalityRewardRatio = INIT_FINALITY_REWARD_RATIO;
+      previousBalanceOfSystemReward = address(SYSTEM_REWARD_ADDR).balance;
+      return;
+    }
+
+    uint256 totalValue;
+    uint256 balanceOfSystemReward = address(SYSTEM_REWARD_ADDR).balance;
+    if (balanceOfSystemReward.sub(MAX_SYSTEM_REWARD_BALANCE) > 0) {
+      totalValue = balanceOfSystemReward.div(100);
+    } else if (balanceOfSystemReward.sub(previousBalanceOfSystemReward) > 0) {
+      totalValue = (balanceOfSystemReward.sub(previousBalanceOfSystemReward).mul(finalityRewardRatio).div(100));
+    } else {
+      return;
+    }
+
+    totalValue = ISystemReward(SYSTEM_REWARD_ADDR).claimRewards(payable(address(this)), totalValue);
+    previousBalanceOfSystemReward = address(SYSTEM_REWARD_ADDR).balance;
+    if (totalValue == 0) {
+      return;
+    }
+
+    uint256 totalWeight;
+    for (uint256 i; i<weights.length; ++i) {
+      totalWeight += weights[i];
+    }
+    if (totalWeight == 0) {
+      return;
+    }
+
+    uint256 value;
+    address valAddr;
+    uint256 index;
+
+    for (uint256 i; i<valAddrs.length; ++i) {
+      value = (totalValue * weights[i]) / totalWeight;
+      valAddr = valAddrs[i];
+      index = currentValidatorSetMap[valAddr];
+      if (index > 0) {
+        Validator storage validator = currentValidatorSet[index - 1];
+        if (validator.jailed) {
+          emit deprecatedFinalityRewardDeposit(valAddr, value);
+        } else {
+          totalInComing = totalInComing.add(value);
+          validator.incoming = validator.incoming.add(value);
+          emit finalityRewardDeposit(valAddr, value);
+        }
+      } else {
+        // get incoming from deprecated validator;
+        emit deprecatedFinalityRewardDeposit(valAddr, value);
+      }
+    }
+
+  }
+
   function getWorkingValidatorCount() public view returns(uint256 workingValidatorCount) {
     workingValidatorCount = getValidators().length;
     uint256 _numOfCabinets = numOfCabinets > 0 ? numOfCabinets : INIT_NUM_OF_CABINETS;
@@ -584,7 +709,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       if (_numOfCabinets == 0) {
         _numOfCabinets = INIT_NUM_OF_CABINETS;
       }
-      require(newMaxNumOfMaintaining < _numOfCabinets, "the maxNumOfMaintaining must be less than numOfCaninates");
+      require(newMaxNumOfMaintaining < _numOfCabinets, "the maxNumOfMaintaining must be less than numOfCabinets");
       maxNumOfMaintaining = newMaxNumOfMaintaining;
     } else if (Memory.compareStrings(key, "maintainSlashScale")) {
       require(value.length == 32, "length of maintainSlashScale mismatch");
@@ -609,6 +734,11 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       require(newNumOfCabinets > 0, "the numOfCabinets must be greater than 0");
       require(newNumOfCabinets <= MAX_NUM_OF_VALIDATORS, "the numOfCabinets must be less than MAX_NUM_OF_VALIDATORS");
       numOfCabinets = newNumOfCabinets;
+    } else if (Memory.compareStrings(key, "finalityRewardRatio")) {
+      require(value.length == 32, "length of finalityRewardRatio mismatch");
+      uint256 newFinalityRewardRatio = BytesToTypes.bytesToUint256(32, value);
+      require(newFinalityRewardRatio >= 1 && newFinalityRewardRatio <= 100, "the finalityRewardRatio is out of range");
+      finalityRewardRatio = newFinalityRewardRatio;
     } else {
       require(false, "unknown param");
     }
@@ -616,29 +746,14 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   }
 
   /*********************** Internal Functions **************************/
-
-  function checkValidatorSet(Validator[] memory validatorSet) private pure returns(bool, string memory) {
-    if (validatorSet.length > MAX_NUM_OF_VALIDATORS){
-      return (false, "the number of validators exceed the limit");
-    }
-    for (uint i; i < validatorSet.length; ++i) {
-      for (uint j = 0; j<i; ++j) {
-        if (validatorSet[i].consensusAddress == validatorSet[j].consensusAddress) {
-          return (false, "duplicate consensus address of validatorSet");
-        }
-      }
-    }
-    return (true,"");
-  }
-
-  function doUpdateState(Validator[] memory validatorSet) private{
+  function doUpdateState(Validator[] memory validatorSet, bytes[] memory voteAddrs) private {
     uint n = currentValidatorSet.length;
     uint m = validatorSet.length;
 
     for (uint i; i<n; ++i) {
       bool stale = true;
       Validator memory oldValidator = currentValidatorSet[i];
-      for (uint j = 0;j<m;++j) {
+      for (uint j; j<m; ++j) {
         if (oldValidator.consensusAddress == validatorSet[j].consensusAddress) {
           stale = false;
           break;
@@ -650,23 +765,27 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
 
     if (n>m) {
-      for (uint i = m; i < n; ++i) {
+      for (uint i=m; i<n; ++i) {
         currentValidatorSet.pop();
         validatorExtraSet.pop();
       }
     }
     uint k = n < m ? n:m;
-    for (uint i; i < k; ++i) {
+    for (uint i; i<k; ++i) {
       if (!isSameValidator(validatorSet[i], currentValidatorSet[i])) {
         currentValidatorSetMap[validatorSet[i].consensusAddress] = i+1;
         currentValidatorSet[i] = validatorSet[i];
+        validatorExtraSet[i].voteAddress = voteAddrs[i];
+        validatorExtraSet[i].isMaintaining = false;
+        validatorExtraSet[i].enterMaintenanceHeight = 0;
       } else {
         currentValidatorSet[i].incoming = 0;
       }
     }
     if (m>n) {
       ValidatorExtra memory validatorExtra;
-      for (uint i = n; i < m; ++i) {
+      for (uint i=n; i < m; ++i) {
+        validatorExtra.voteAddress = voteAddrs[i];
         currentValidatorSet.push(validatorSet[i]);
         validatorExtraSet.push(validatorExtra);
         currentValidatorSetMap[validatorSet[i].consensusAddress] = i+1;
@@ -677,7 +796,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     // should not happen, still protect
     numOfMaintaining = 0;
     n = currentValidatorSet.length;
-    for (uint i; i < n; ++i) {
+    for (uint i; i<n; ++i) {
       validatorExtraSet[i].isMaintaining = false;
       validatorExtraSet[i].enterMaintenanceHeight = 0;
     }
@@ -687,6 +806,22 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return v1.consensusAddress == v2.consensusAddress && v1.feeAddress == v2.feeAddress && v1.BBCFeeAddress == v2.BBCFeeAddress && v1.votingPower == v2.votingPower;
   }
 
+  function getVoteAddresses(address[] memory validators) internal view returns(bytes[] memory) {
+    uint n = currentValidatorSet.length;
+    uint length = validators.length;
+    bytes[] memory voteAddrs = new bytes[](length);
+
+    // check if validatorExtraSet has been initialized
+    if (validatorExtraSet.length != n) {
+      return voteAddrs;
+    }
+
+    for (uint i; i<length; ++i) {
+      voteAddrs[i] = validatorExtraSet[currentValidatorSetMap[validators[i]]-1].voteAddress;
+    }
+    return voteAddrs;
+  }
+
   function _misdemeanor(address validator) private returns (uint256) {
     uint256 index = currentValidatorSetMap[validator];
     if (index <= 0) {
@@ -705,11 +840,11 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
     uint256 averageDistribute = income / rest;
     if (averageDistribute != 0) {
-      for (uint i; i < index; ++i) {
+      for (uint i; i<index; ++i) {
         currentValidatorSet[i].incoming = currentValidatorSet[i].incoming + averageDistribute;
       }
       uint n = currentValidatorSet.length;
-      for (uint i = index + 1; i < n; ++i) {
+      for (uint i=index+1; i<n; ++i) {
         currentValidatorSet[i].incoming = currentValidatorSet[i].incoming + averageDistribute;
       }
     }
@@ -731,7 +866,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     // remove the validator from currentValidatorSet
     delete currentValidatorSetMap[validator];
     // remove felony validator
-    for (uint i = index;i < (currentValidatorSet.length-1);++i) {
+    for (uint i=index; i<(currentValidatorSet.length-1); ++i) {
       currentValidatorSet[i] = currentValidatorSet[i+1];
       validatorExtraSet[i] = validatorExtraSet[i+1];
       currentValidatorSetMap[currentValidatorSet[i].consensusAddress] = i+1;
@@ -742,7 +877,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     uint256 averageDistribute = income / rest;
     if (averageDistribute != 0) {
       uint n = currentValidatorSet.length;
-      for (uint i; i < n; ++i) {
+      for (uint i; i<n; ++i) {
         currentValidatorSet[i].incoming = currentValidatorSet[i].incoming + averageDistribute;
       }
     }
@@ -750,7 +885,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return true;
   }
 
-  function _forceMaintainingValidatorsExit(Validator[] memory _validatorSet) private returns (Validator[] memory unjailedValidatorSet){
+  function _forceMaintainingValidatorsExit(Validator[] memory _validatorSet, bytes[] memory _voteAddrs) private returns (Validator[] memory unjailedValidatorSet, bytes[] memory unjailedVoteAddrs){
     uint256 numOfFelony = 0;
     address validator;
     bool isFelony;
@@ -778,7 +913,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       }
 
       // record the jailed validator in validatorSet
-      for (uint k; k < _validatorSet.length; ++k) {
+      for (uint k; k<_validatorSet.length; ++k) {
         if (_validatorSet[k].consensusAddress == validator) {
           _validatorSet[k].jailed = true;
           ++numOfFelony;
@@ -789,15 +924,17 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
 
     // 2. get unjailed validators from validatorSet
     unjailedValidatorSet = new Validator[](_validatorSet.length - numOfFelony);
+    unjailedVoteAddrs = new bytes[](_validatorSet.length - numOfFelony);
     i = 0;
-    for (uint index; index < _validatorSet.length; ++index) {
+    for (uint index; index<_validatorSet.length; ++index) {
       if (!_validatorSet[index].jailed) {
         unjailedValidatorSet[i] = _validatorSet[index];
+        unjailedVoteAddrs[i] = _voteAddrs[index];
         ++i;
       }
     }
 
-    return unjailedValidatorSet;
+    return (unjailedValidatorSet, unjailedVoteAddrs);
   }
 
   function _enterMaintenance(address validator, uint256 index) private {
@@ -841,7 +978,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   }
 
   //rlp encode & decode function
-  function decodeValidatorSetSynPackage(bytes memory msgBytes) internal pure returns (IbcValidatorSetPackage memory, bool) {
+  function decodeValidatorSetSynPackage(bytes memory msgBytes) internal pure returns(IbcValidatorSetPackage memory, bool) {
     IbcValidatorSetPackage memory validatorSetPkg;
 
     RLPDecode.Iterator memory iter = msgBytes.toRLPItem().iterator();
@@ -852,13 +989,15 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
         validatorSetPkg.packageType = uint8(iter.next().toUint());
       } else if (idx == 1) {
         RLPDecode.RLPItem[] memory items = iter.next().toList();
-        validatorSetPkg.validatorSet =new Validator[](items.length);
-        for (uint j;j<items.length;++j) {
-          (Validator memory val, bool ok) = decodeValidator(items[j]);
+        validatorSetPkg.validatorSet = new Validator[](items.length);
+        validatorSetPkg.voteAddrs = new bytes[](items.length);
+        for (uint j; j<items.length; ++j) {
+          (Validator memory val, bytes memory voteAddr, bool ok) = decodeValidator(items[j]);
           if (!ok) {
             return (validatorSetPkg, false);
           }
           validatorSetPkg.validatorSet[j] = val;
+          validatorSetPkg.voteAddrs[j] = voteAddr;
         }
         success = true;
       } else {
@@ -869,8 +1008,9 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return (validatorSetPkg, success);
   }
 
-  function decodeValidator(RLPDecode.RLPItem memory itemValidator) internal pure returns(Validator memory, bool) {
+  function decodeValidator(RLPDecode.RLPItem memory itemValidator) internal pure returns (Validator memory, bytes memory, bool) {
     Validator memory validator;
+    bytes memory voteAddr;
     RLPDecode.Iterator memory iter = itemValidator.iterator();
     bool success = false;
     uint256 idx=0;
@@ -884,13 +1024,14 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       } else if (idx == 3) {
         validator.votingPower = uint64(iter.next().toUint());
         success = true;
+      } else if (idx == 4) {
+        voteAddr = iter.next().toBytes();
       } else {
         break;
       }
       ++idx;
     }
-    return (validator, success);
+    return (validator, voteAddr, success);
   }
 
-    
 }
diff --git a/contracts/BSCValidatorSet.template b/contracts/BSCValidatorSet.template
index fd145c6f..2cf17430 100644
--- a/contracts/BSCValidatorSet.template
+++ b/contracts/BSCValidatorSet.template
@@ -1,4 +1,5 @@
 pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
 
 import "./System.sol";
 import "./lib/BytesToTypes.sol";
@@ -74,7 +75,15 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   uint256 public maxNumOfCandidates;
   uint256 public maxNumOfWorkingCandidates;
 
-  struct Validator{
+  // BEP-126 Fast Finality
+  uint256 public constant INIT_FINALITY_REWARD_RATIO = 50;
+  uint256 public constant MAX_SYSTEM_REWARD_BALANCE = 100 ether;
+
+  uint256 public finalityRewardRatio;
+  uint256 public previousHeight;
+  uint256 public previousBalanceOfSystemReward;
+
+  struct Validator {
     address consensusAddress;
     address payable feeAddress;
     address BBCFeeAddress;
@@ -90,14 +99,18 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     uint256 enterMaintenanceHeight;     // the height from where the validator enters Maintenance
     bool isMaintaining;
 
+    // BEP-126 Fast Finality
+    bytes voteAddress;
+
     // reserve for future use
-    uint256[20] slots;
+    uint256[19] slots;
   }
 
   /*********************** cross chain package **************************/
   struct IbcValidatorSetPackage {
     uint8  packageType;
     Validator[] validatorSet;
+    bytes[] voteAddrs;
   }
 
   /*********************** modifiers **************************/
@@ -111,7 +124,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       ValidatorExtra memory validatorExtra;
       // init validatorExtraSet
       uint256 validatorsNum = currentValidatorSet.length;
-      for (uint i; i < validatorsNum; ++i) {
+      for (uint i; i<validatorsNum; ++i) {
         validatorExtraSet.push(validatorExtra);
       }
     }
@@ -119,6 +132,12 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     _;
   }
 
+  modifier oncePerBlock() {
+    require(block.number > previousHeight, "can not do this twice in one block");
+    _;
+    previousHeight = block.number;
+  }
+
   /*********************** events **************************/
   event validatorSetUpdated();
   event validatorJailed(address indexed validator);
@@ -139,12 +158,14 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   event feeBurned(uint256 amount);
   event validatorEnterMaintenance(address indexed validator);
   event validatorExitMaintenance(address indexed validator);
+  event finalityRewardDeposit(address indexed validator, uint256 amount);
+  event deprecatedFinalityRewardDeposit(address indexed validator, uint256 amount);
 
   /*********************** init **************************/
   function init() external onlyNotInit{
     (IbcValidatorSetPackage memory validatorSetPkg, bool valid)= decodeValidatorSetSynPackage(INIT_VALIDATORSET_BYTES);
     require(valid, "failed to parse init validatorSet");
-    for (uint i;i<validatorSetPkg.validatorSet.length;++i) {
+    for (uint i; i<validatorSetPkg.validatorSet.length; ++i) {
       currentValidatorSet.push(validatorSetPkg.validatorSet[i]);
       currentValidatorSetMap[validatorSetPkg.validatorSet[i].consensusAddress] = i+1;
     }
@@ -152,6 +173,8 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     alreadyInit = true;
   }
 
+  receive() external payable {}
+
   /*********************** Cross Chain App Implement **************************/
   function handleSynPackage(uint8, bytes calldata msgBytes) onlyInit onlyCrossChainContract initValidatorExtraSet external override returns(bytes memory responsePayload) {
     (IbcValidatorSetPackage memory validatorSetPackage, bool ok) = decodeValidatorSetSynPackage(msgBytes);
@@ -160,7 +183,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
     uint32 resCode;
     if (validatorSetPackage.packageType == VALIDATORS_UPDATE_MESSAGE_TYPE) {
-      resCode = updateValidatorSet(validatorSetPackage.validatorSet);
+      resCode = updateValidatorSet(validatorSetPackage.validatorSet, validatorSetPackage.voteAddrs);
     } else if (validatorSetPackage.packageType == JAIL_MESSAGE_TYPE) {
       if (validatorSetPackage.validatorSet.length != 1) {
         emit failReasonWithStr("length of jail validators must be one");
@@ -248,104 +271,113 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return CODE_OK;
   }
 
-  function updateValidatorSet(Validator[] memory validatorSet) internal returns (uint32) {
+  function updateValidatorSet(Validator[] memory validatorSet, bytes[] memory voteAddrs) internal returns (uint32) {
     {
       // do verify.
-      (bool valid, string memory errMsg) = checkValidatorSet(validatorSet);
-      if (!valid) {
-        emit failReasonWithStr(errMsg);
+      if (validatorSet.length > MAX_NUM_OF_VALIDATORS) {
+        emit failReasonWithStr("the number of validators exceed the limit");
         return ERROR_FAIL_CHECK_VALIDATORS;
       }
+      for (uint i; i<validatorSet.length; ++i) {
+        for (uint j; j<i; ++j) {
+          if (validatorSet[i].consensusAddress == validatorSet[j].consensusAddress) {
+            emit failReasonWithStr("duplicate consensus address of validatorSet");
+            return ERROR_FAIL_CHECK_VALIDATORS;
+          }
+        }
+      }
     }
 
     // step 0: force all maintaining validators to exit `Temporary Maintenance`
     // - 1. validators exit maintenance
     // - 2. clear all maintainInfo
     // - 3. get unjailed validators from validatorSet
-    Validator[] memory validatorSetTemp = _forceMaintainingValidatorsExit(validatorSet);
-
-    //step 1: do calculate distribution, do not make it as an internal function for saving gas.
-    uint crossSize;
-    uint directSize;
-    uint validatorsNum = currentValidatorSet.length;
-    for (uint i; i < validatorsNum; ++i) {
-      if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
-        ++crossSize;
-      } else if (currentValidatorSet[i].incoming > 0) {
-        ++directSize;
-      }
-    }
-
-    //cross transfer
-    address[] memory crossAddrs = new address[](crossSize);
-    uint256[] memory crossAmounts = new uint256[](crossSize);
-    uint256[] memory crossIndexes = new uint256[](crossSize);
-    address[] memory crossRefundAddrs = new address[](crossSize);
-    uint256 crossTotal;
-    // direct transfer
-    address payable[] memory directAddrs = new address payable[](directSize);
-    uint256[] memory directAmounts = new uint256[](directSize);
-    crossSize = 0;
-    directSize = 0;
-    uint256 relayFee = ITokenHub(TOKEN_HUB_ADDR).getMiniRelayFee();
-    if (relayFee > DUSTY_INCOMING) {
-      emit failReasonWithStr("fee is larger than DUSTY_INCOMING");
-      return ERROR_RELAYFEE_TOO_LARGE;
-    }
-    for (uint i; i < validatorsNum; ++i) {
-      if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
-        crossAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
-        uint256 value = currentValidatorSet[i].incoming - currentValidatorSet[i].incoming % PRECISION;
-        crossAmounts[crossSize] = value.sub(relayFee);
-        crossRefundAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
-        crossIndexes[crossSize] = i;
-        crossTotal = crossTotal.add(value);
-        ++crossSize;
-      } else if (currentValidatorSet[i].incoming > 0) {
-        directAddrs[directSize] = currentValidatorSet[i].feeAddress;
-        directAmounts[directSize] = currentValidatorSet[i].incoming;
-        ++directSize;
-      }
-    }
-
-    //step 2: do cross chain transfer
-    bool failCross = false;
-    if (crossTotal > 0) {
-      try ITokenHub(TOKEN_HUB_ADDR).batchTransferOutBNB{value:crossTotal}(crossAddrs, crossAmounts, crossRefundAddrs, uint64(block.timestamp + expireTimeSecondGap)) returns (bool success) {
-        if (success) {
-           emit batchTransfer(crossTotal);
-        } else {
-           emit batchTransferFailed(crossTotal, "batch transfer return false");
+    (Validator[] memory validatorSetTemp, bytes[] memory voteAddrsTemp) = _forceMaintainingValidatorsExit(validatorSet, voteAddrs);
+
+    {
+      //step 1: do calculate distribution, do not make it as an internal function for saving gas.
+      uint crossSize;
+      uint directSize;
+      uint validatorsNum = currentValidatorSet.length;
+      for (uint i; i<validatorsNum; ++i) {
+        if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
+          ++crossSize;
+        } else if (currentValidatorSet[i].incoming > 0) {
+          ++directSize;
         }
-      }catch Error(string memory reason) {
-        failCross = true;
-        emit batchTransferFailed(crossTotal, reason);
-      }catch (bytes memory lowLevelData) {
-        failCross = true;
-        emit batchTransferLowerFailed(crossTotal, lowLevelData);
       }
-    }
 
-    if (failCross) {
-      for (uint i; i< crossIndexes.length;++i) {
-        uint idx = crossIndexes[i];
-        bool success = currentValidatorSet[idx].feeAddress.send(currentValidatorSet[idx].incoming);
-        if (success) {
-          emit directTransfer(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
-        } else {
-          emit directTransferFail(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
+      //cross transfer
+      address[] memory crossAddrs = new address[](crossSize);
+      uint256[] memory crossAmounts = new uint256[](crossSize);
+      uint256[] memory crossIndexes = new uint256[](crossSize);
+      address[] memory crossRefundAddrs = new address[](crossSize);
+      uint256 crossTotal;
+      // direct transfer
+      address payable[] memory directAddrs = new address payable[](directSize);
+      uint256[] memory directAmounts = new uint256[](directSize);
+      crossSize = 0;
+      directSize = 0;
+      uint256 relayFee = ITokenHub(TOKEN_HUB_ADDR).getMiniRelayFee();
+      if (relayFee > DUSTY_INCOMING) {
+        emit failReasonWithStr("fee is larger than DUSTY_INCOMING");
+        return ERROR_RELAYFEE_TOO_LARGE;
+      }
+      for (uint i; i<validatorsNum; ++i) {
+        if (currentValidatorSet[i].incoming >= DUSTY_INCOMING) {
+          crossAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
+          uint256 value = currentValidatorSet[i].incoming - currentValidatorSet[i].incoming % PRECISION;
+          crossAmounts[crossSize] = value.sub(relayFee);
+          crossRefundAddrs[crossSize] = currentValidatorSet[i].BBCFeeAddress;
+          crossIndexes[crossSize] = i;
+          crossTotal = crossTotal.add(value);
+          ++crossSize;
+        } else if (currentValidatorSet[i].incoming > 0) {
+          directAddrs[directSize] = currentValidatorSet[i].feeAddress;
+          directAmounts[directSize] = currentValidatorSet[i].incoming;
+          ++directSize;
         }
       }
-    }
 
-    // step 3: direct transfer
-    if (directAddrs.length>0) {
-      for (uint i;i<directAddrs.length;++i) {
-        bool success = directAddrs[i].send(directAmounts[i]);
-        if (success) {
-          emit directTransfer(directAddrs[i], directAmounts[i]);
-        } else {
-          emit directTransferFail(directAddrs[i], directAmounts[i]);
+      //step 2: do cross chain transfer
+      bool failCross = false;
+      if (crossTotal > 0) {
+        try ITokenHub(TOKEN_HUB_ADDR).batchTransferOutBNB{value : crossTotal}(crossAddrs, crossAmounts, crossRefundAddrs, uint64(block.timestamp + expireTimeSecondGap)) returns (bool success) {
+          if (success) {
+            emit batchTransfer(crossTotal);
+          } else {
+            emit batchTransferFailed(crossTotal, "batch transfer return false");
+          }
+        }catch Error(string memory reason) {
+          failCross = true;
+          emit batchTransferFailed(crossTotal, reason);
+        }catch (bytes memory lowLevelData) {
+          failCross = true;
+          emit batchTransferLowerFailed(crossTotal, lowLevelData);
+        }
+      }
+
+      if (failCross) {
+        for (uint i; i<crossIndexes.length; ++i) {
+          uint idx = crossIndexes[i];
+          bool success = currentValidatorSet[idx].feeAddress.send(currentValidatorSet[idx].incoming);
+          if (success) {
+            emit directTransfer(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
+          } else {
+            emit directTransferFail(currentValidatorSet[idx].feeAddress, currentValidatorSet[idx].incoming);
+          }
+        }
+      }
+
+      // step 3: direct transfer
+      if (directAddrs.length>0) {
+        for (uint i; i<directAddrs.length; ++i) {
+          bool success = directAddrs[i].send(directAmounts[i]);
+          if (success) {
+            emit directTransfer(directAddrs[i], directAmounts[i]);
+          } else {
+            emit directTransferFail(directAddrs[i], directAmounts[i]);
+          }
         }
       }
     }
@@ -359,7 +391,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     totalInComing = 0;
     numOfJailed = 0;
     if (validatorSetTemp.length>0) {
-      doUpdateState(validatorSetTemp);
+      doUpdateState(validatorSetTemp, voteAddrsTemp);
     }
 
     // step 6: clean slash contract
@@ -372,13 +404,16 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
    * @dev With each epoch, there will be a partial rotation between cabinets and candidates. Rotation is determined by this function
    *
    */
-  function shuffle(address[] memory validators, uint256 epochNumber, uint startIdx, uint offset, uint limit, uint modNumber) internal pure {
+  function shuffle(address[] memory validators, bytes[] memory voteAddrs, uint256 epochNumber, uint startIdx, uint offset, uint limit, uint modNumber) internal pure {
     for (uint i; i<limit; ++i) {
       uint random = uint(keccak256(abi.encodePacked(epochNumber, startIdx+i))) % modNumber;
       if ( (startIdx+i) != (offset+random) ) {
-        address tmp = validators[startIdx+i];
+        address tmpAddr = validators[startIdx+i];
+        bytes memory tmpBLS = voteAddrs[startIdx+i];
         validators[startIdx+i] = validators[offset+random];
-        validators[offset+random] = tmp;
+        validators[offset+random] = tmpAddr;
+        voteAddrs[startIdx+i] = voteAddrs[offset+random];
+        voteAddrs[offset+random] = tmpBLS;
       }
     }
   }
@@ -387,7 +422,37 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
    * @dev Get mining validators that are block producers in the current epoch, including most of the cabinets and a few of the candidates
    *
    */
-  function getMiningValidators() public view returns(address[] memory) {
+  function getLivingValidators() external view override returns (address[] memory, bytes[] memory) {
+    uint n = currentValidatorSet.length;
+    uint living;
+    for (uint i; i<n; ++i) {
+      if (!currentValidatorSet[i].jailed) {
+        living ++;
+      }
+    }
+    address[] memory consensusAddrs = new address[](living);
+    bytes[] memory voteAddrs = new bytes[](living);
+    living = 0;
+    if (validatorExtraSet.length == n) {
+      for (uint i; i<n; ++i) {
+        if (!currentValidatorSet[i].jailed) {
+          consensusAddrs[living] = currentValidatorSet[i].consensusAddress;
+          voteAddrs[living] = validatorExtraSet[i].voteAddress;
+          living ++;
+        }
+      }
+    } else {
+      for (uint i=0; i<n; i++) {
+        if (!currentValidatorSet[i].jailed) {
+          consensusAddrs[living] = currentValidatorSet[i].consensusAddress;
+          living ++;
+        }
+      }
+    }
+    return (consensusAddrs, voteAddrs);
+  }
+
+  function getMiningValidators() external view override returns(address[] memory, bytes[] memory) {
     uint256 _maxNumOfWorkingCandidates = maxNumOfWorkingCandidates;
     uint256 _numOfCabinets = numOfCabinets;
     if (_numOfCabinets == 0 ){
@@ -395,8 +460,9 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
 
     address[] memory validators = getValidators();
+    bytes[] memory voteAddrs = getVoteAddresses(validators);
     if (validators.length <= _numOfCabinets) {
-      return validators;
+      return (validators, voteAddrs);
     }
 
     if ((validators.length - _numOfCabinets) < _maxNumOfWorkingCandidates){
@@ -404,15 +470,17 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
     if (_maxNumOfWorkingCandidates > 0) {
       uint256 epochNumber = block.number / EPOCH;
-      shuffle(validators, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, 0, _maxNumOfWorkingCandidates, _numOfCabinets);
-      shuffle(validators, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, _numOfCabinets-_maxNumOfWorkingCandidates,
-      _maxNumOfWorkingCandidates, validators.length-_numOfCabinets+_maxNumOfWorkingCandidates);
+      shuffle(validators, voteAddrs, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, 0, _maxNumOfWorkingCandidates, _numOfCabinets);
+      shuffle(validators, voteAddrs, epochNumber, _numOfCabinets-_maxNumOfWorkingCandidates, _numOfCabinets-_maxNumOfWorkingCandidates,
+        _maxNumOfWorkingCandidates, validators.length - _numOfCabinets+_maxNumOfWorkingCandidates);
     }
     address[] memory miningValidators = new address[](_numOfCabinets);
+    bytes[] memory miningVoteAddrs = new bytes[](_numOfCabinets);
     for (uint i; i<_numOfCabinets; ++i) {
       miningValidators[i] = validators[i];
+      miningVoteAddrs[i] = voteAddrs[i];
     }
-    return miningValidators;
+    return (miningValidators, miningVoteAddrs);
   }
 
   /**
@@ -470,6 +538,55 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return isWorkingValidator(index);
   }
 
+  function distributeFinalityReward(address[] calldata valAddrs, uint256[] calldata weights) external onlyCoinbase oncePerBlock onlyInit {
+    // first time to call this function
+    if (finalityRewardRatio == 0) {
+      finalityRewardRatio = INIT_FINALITY_REWARD_RATIO;
+      previousBalanceOfSystemReward = address(SYSTEM_REWARD_ADDR).balance;
+      return;
+    }
+
+    uint256 totalValue;
+    uint256 balanceOfSystemReward = address(SYSTEM_REWARD_ADDR).balance;
+    if (balanceOfSystemReward.sub(MAX_SYSTEM_REWARD_BALANCE) > 0) {
+      totalValue = balanceOfSystemReward.div(100);
+    } else if (balanceOfSystemReward.sub(previousBalanceOfSystemReward) > 0) {
+      totalValue = (balanceOfSystemReward.sub(previousBalanceOfSystemReward).mul(finalityRewardRatio).div(100));
+    } else {
+      return;
+    }
+
+    totalValue = ISystemReward(SYSTEM_REWARD_ADDR).claimRewards(payable(address(this)), totalValue);
+    previousBalanceOfSystemReward = address(SYSTEM_REWARD_ADDR).balance;
+    if (totalValue == 0) {
+      return;
+    }
+
+    uint256 value;
+    address valAddr;
+    uint256 index;
+
+    for (uint256 i; i<valAddrs.length; ++i) {
+      value = (totalValue * weights[i]) / totalWeight;
+      valAddr = valAddrs[i];
+      index = currentValidatorSetMap[valAddr];
+      if (index > 0) {
+        Validator storage validator = currentValidatorSet[index - 1];
+        if (validator.jailed) {
+          emit deprecatedFinalityRewardDeposit(valAddr, value);
+        } else {
+          totalInComing = totalInComing.add(value);
+          validator.incoming = validator.incoming.add(value);
+          emit finalityRewardDeposit(valAddr, value);
+        }
+      } else {
+        // get incoming from deprecated validator;
+        emit deprecatedFinalityRewardDeposit(valAddr, value);
+      }
+    }
+
+  }
+
   function getWorkingValidatorCount() public view returns(uint256 workingValidatorCount) {
     workingValidatorCount = getValidators().length;
     uint256 _numOfCabinets = numOfCabinets > 0 ? numOfCabinets : INIT_NUM_OF_CABINETS;
@@ -584,7 +701,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       if (_numOfCabinets == 0) {
         _numOfCabinets = INIT_NUM_OF_CABINETS;
       }
-      require(newMaxNumOfMaintaining < _numOfCabinets, "the maxNumOfMaintaining must be less than numOfCaninates");
+      require(newMaxNumOfMaintaining < _numOfCabinets, "the maxNumOfMaintaining must be less than numOfCabinets");
       maxNumOfMaintaining = newMaxNumOfMaintaining;
     } else if (Memory.compareStrings(key, "maintainSlashScale")) {
       require(value.length == 32, "length of maintainSlashScale mismatch");
@@ -609,6 +726,11 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       require(newNumOfCabinets > 0, "the numOfCabinets must be greater than 0");
       require(newNumOfCabinets <= MAX_NUM_OF_VALIDATORS, "the numOfCabinets must be less than MAX_NUM_OF_VALIDATORS");
       numOfCabinets = newNumOfCabinets;
+    } else if (Memory.compareStrings(key, "finalityRewardRatio")) {
+      require(value.length == 32, "length of finalityRewardRatio mismatch");
+      uint256 newFinalityRewardRatio = BytesToTypes.bytesToUint256(32, value);
+      require(newFinalityRewardRatio >= 1 && newFinalityRewardRatio <= 100, "the finalityRewardRatio is out of range");
+      finalityRewardRatio = newFinalityRewardRatio;
     } else {
       require(false, "unknown param");
     }
@@ -616,29 +738,14 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   }
 
   /*********************** Internal Functions **************************/
-
-  function checkValidatorSet(Validator[] memory validatorSet) private pure returns(bool, string memory) {
-    if (validatorSet.length > MAX_NUM_OF_VALIDATORS){
-      return (false, "the number of validators exceed the limit");
-    }
-    for (uint i; i < validatorSet.length; ++i) {
-      for (uint j = 0; j<i; ++j) {
-        if (validatorSet[i].consensusAddress == validatorSet[j].consensusAddress) {
-          return (false, "duplicate consensus address of validatorSet");
-        }
-      }
-    }
-    return (true,"");
-  }
-
-  function doUpdateState(Validator[] memory validatorSet) private{
+  function doUpdateState(Validator[] memory validatorSet, bytes[] memory voteAddrs) private {
     uint n = currentValidatorSet.length;
     uint m = validatorSet.length;
 
     for (uint i; i<n; ++i) {
       bool stale = true;
       Validator memory oldValidator = currentValidatorSet[i];
-      for (uint j = 0;j<m;++j) {
+      for (uint j; j<m; ++j) {
         if (oldValidator.consensusAddress == validatorSet[j].consensusAddress) {
           stale = false;
           break;
@@ -650,25 +757,29 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
 
     if (n>m) {
-      for (uint i = m; i < n; ++i) {
+      for (uint i=m; i<n; ++i) {
         currentValidatorSet.pop();
         validatorExtraSet.pop();
       }
     }
     uint k = n < m ? n:m;
-    for (uint i; i < k; ++i) {
+    for (uint i; i<k; ++i) {
       if (!isSameValidator(validatorSet[i], currentValidatorSet[i])) {
         currentValidatorSetMap[validatorSet[i].consensusAddress] = i+1;
         currentValidatorSet[i] = validatorSet[i];
+        validatorExtraSet[i].voteAddress = voteAddrs[i];
+        validatorExtraSet[i].isMaintaining = false;
+        validatorExtraSet[i].enterMaintenanceHeight = 0;
       } else {
         currentValidatorSet[i].incoming = 0;
       }
     }
     if (m>n) {
-      ValidatorExtra memory validatorExtra;
-      for (uint i = n; i < m; ++i) {
+      ValidatorExtra memory _validatorExtra;
+      for (uint i = n; i < m; i++) {
+        _validatorExtra.voteAddress = voteAddrs[i];
         currentValidatorSet.push(validatorSet[i]);
-        validatorExtraSet.push(validatorExtra);
+        validatorExtraSet.push(_validatorExtra);
         currentValidatorSetMap[validatorSet[i].consensusAddress] = i+1;
       }
     }
@@ -677,7 +788,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     // should not happen, still protect
     numOfMaintaining = 0;
     n = currentValidatorSet.length;
-    for (uint i; i < n; ++i) {
+    for (uint i; i<n; ++i) {
       validatorExtraSet[i].isMaintaining = false;
       validatorExtraSet[i].enterMaintenanceHeight = 0;
     }
@@ -687,6 +798,22 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return v1.consensusAddress == v2.consensusAddress && v1.feeAddress == v2.feeAddress && v1.BBCFeeAddress == v2.BBCFeeAddress && v1.votingPower == v2.votingPower;
   }
 
+  function getVoteAddresses(address[] memory validators) internal view returns(bytes[] memory) {
+    uint n = currentValidatorSet.length;
+    uint length = validators.length;
+    bytes[] memory voteAddrs = new bytes[](length);
+
+    // check if validatorExtraSet has been initialized
+    if (validatorExtraSet.length != n) {
+      return voteAddrs;
+    }
+
+    for (uint i; i<length; ++i) {
+      voteAddrs[i] = validatorExtraSet[currentValidatorSetMap[validators[i]]-1].voteAddress;
+    }
+    return voteAddrs;
+  }
+
   function _misdemeanor(address validator) private returns (uint256) {
     uint256 index = currentValidatorSetMap[validator];
     if (index <= 0) {
@@ -705,11 +832,11 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     }
     uint256 averageDistribute = income / rest;
     if (averageDistribute != 0) {
-      for (uint i; i < index; ++i) {
+      for (uint i; i<index; ++i) {
         currentValidatorSet[i].incoming = currentValidatorSet[i].incoming + averageDistribute;
       }
       uint n = currentValidatorSet.length;
-      for (uint i = index + 1; i < n; ++i) {
+      for (uint i=index+1; i<n; ++i) {
         currentValidatorSet[i].incoming = currentValidatorSet[i].incoming + averageDistribute;
       }
     }
@@ -731,7 +858,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     // remove the validator from currentValidatorSet
     delete currentValidatorSetMap[validator];
     // remove felony validator
-    for (uint i = index;i < (currentValidatorSet.length-1);++i) {
+    for (uint i=index; i<(currentValidatorSet.length-1); ++i) {
       currentValidatorSet[i] = currentValidatorSet[i+1];
       validatorExtraSet[i] = validatorExtraSet[i+1];
       currentValidatorSetMap[currentValidatorSet[i].consensusAddress] = i+1;
@@ -742,7 +869,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     uint256 averageDistribute = income / rest;
     if (averageDistribute != 0) {
       uint n = currentValidatorSet.length;
-      for (uint i; i < n; ++i) {
+      for (uint i; i<n; ++i) {
         currentValidatorSet[i].incoming = currentValidatorSet[i].incoming + averageDistribute;
       }
     }
@@ -750,7 +877,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return true;
   }
 
-  function _forceMaintainingValidatorsExit(Validator[] memory _validatorSet) private returns (Validator[] memory unjailedValidatorSet){
+  function _forceMaintainingValidatorsExit(Validator[] memory _validatorSet, bytes[] memory _voteAddrs) private returns (Validator[] memory unjailedValidatorSet, bytes[] memory unjailedVoteAddrs){
     uint256 numOfFelony = 0;
     address validator;
     bool isFelony;
@@ -778,7 +905,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       }
 
       // record the jailed validator in validatorSet
-      for (uint k; k < _validatorSet.length; ++k) {
+      for (uint k; k<_validatorSet.length; ++k) {
         if (_validatorSet[k].consensusAddress == validator) {
           _validatorSet[k].jailed = true;
           ++numOfFelony;
@@ -789,15 +916,17 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
 
     // 2. get unjailed validators from validatorSet
     unjailedValidatorSet = new Validator[](_validatorSet.length - numOfFelony);
+    unjailedVoteAddrs = new bytes[](_validatorSet.length - numOfFelony);
     i = 0;
-    for (uint index; index < _validatorSet.length; ++index) {
+    for (uint index; index<_validatorSet.length; ++index) {
       if (!_validatorSet[index].jailed) {
         unjailedValidatorSet[i] = _validatorSet[index];
+        unjailedVoteAddrs[i] = _voteAddrs[index];
         ++i;
       }
     }
 
-    return unjailedValidatorSet;
+    return (unjailedValidatorSet, unjailedVoteAddrs);
   }
 
   function _enterMaintenance(address validator, uint256 index) private {
@@ -841,7 +970,7 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   }
 
   //rlp encode & decode function
-  function decodeValidatorSetSynPackage(bytes memory msgBytes) internal pure returns (IbcValidatorSetPackage memory, bool) {
+  function decodeValidatorSetSynPackage(bytes memory msgBytes) internal pure returns(IbcValidatorSetPackage memory, bool) {
     IbcValidatorSetPackage memory validatorSetPkg;
 
     RLPDecode.Iterator memory iter = msgBytes.toRLPItem().iterator();
@@ -852,13 +981,15 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
         validatorSetPkg.packageType = uint8(iter.next().toUint());
       } else if (idx == 1) {
         RLPDecode.RLPItem[] memory items = iter.next().toList();
-        validatorSetPkg.validatorSet =new Validator[](items.length);
-        for (uint j;j<items.length;++j) {
-          (Validator memory val, bool ok) = decodeValidator(items[j]);
+        validatorSetPkg.validatorSet = new Validator[](items.length);
+        validatorSetPkg.voteAddrs = new bytes[](items.length);
+        for (uint j; j<items.length; ++j) {
+          (Validator memory val, bytes memory voteAddr, bool ok) = decodeValidator(items[j]);
           if (!ok) {
             return (validatorSetPkg, false);
           }
           validatorSetPkg.validatorSet[j] = val;
+          validatorSetPkg.voteAddrs[j] = voteAddr;
         }
         success = true;
       } else {
@@ -869,8 +1000,9 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
     return (validatorSetPkg, success);
   }
 
-  function decodeValidator(RLPDecode.RLPItem memory itemValidator) internal pure returns(Validator memory, bool) {
+  function decodeValidator(RLPDecode.RLPItem memory itemValidator) internal pure returns (Validator memory, bytes memory, bool) {
     Validator memory validator;
+    bytes memory voteAddr;
     RLPDecode.Iterator memory iter = itemValidator.iterator();
     bool success = false;
     uint256 idx=0;
@@ -884,19 +1016,19 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
       } else if (idx == 3) {
         validator.votingPower = uint64(iter.next().toUint());
         success = true;
+      } else if (idx == 4) {
+        voteAddr = iter.next().toBytes();
       } else {
         break;
       }
       ++idx;
     }
-    return (validator, success);
+    return (validator, voteAddr, success);
   }
-
-    {% if mock %}
-
+{% if mock %}
   function isValidatorExist(address validator)external view returns(bool) {
     uint256 index = currentValidatorSetMap[validator];
-    if (index<=0) {
+    if (index <= 0) {
       return false;
     }
     return true;
@@ -905,13 +1037,12 @@ contract BSCValidatorSet is IBSCValidatorSet, System, IParamSubscriber, IApplica
   function getMaintainingValidators() public view returns (address[] memory maintainingValidators) {
     maintainingValidators = new address[](numOfMaintaining);
     uint256 count = 0;
-    for (uint i = 0; i < currentValidatorSet.length; ++i) {
+    for (uint i; i < currentValidatorSet.length; ++i) {
       if (validatorExtraSet[i].isMaintaining) {
         maintainingValidators[count] = currentValidatorSet[i].consensusAddress;
         ++count;
       }
     }
   }
-
-    {% endif %}
+{% endif %}
 }
diff --git a/contracts/SlashIndicator.sol b/contracts/SlashIndicator.sol
index 14fe94dc..8ee0c80f 100644
--- a/contracts/SlashIndicator.sol
+++ b/contracts/SlashIndicator.sol
@@ -1,12 +1,17 @@
 pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
+
 import "./System.sol";
 import "./lib/BytesToTypes.sol";
+import "./lib/TypesToBytes.sol";
+import "./lib/BytesLib.sol";
 import "./lib/Memory.sol";
 import "./interface/ISlashIndicator.sol";
 import "./interface/IApplication.sol";
 import "./interface/IBSCValidatorSet.sol";
 import "./interface/IParamSubscriber.sol";
 import "./interface/ICrossChain.sol";
+import "./interface/ISystemReward.sol";
 import "./lib/CmnPkg.sol";
 import "./lib/RLPEncode.sol";
 
@@ -28,6 +33,11 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
   uint256 public  misdemeanorThreshold;
   uint256 public  felonyThreshold;
 
+  // BEP-126 Fast Finality
+  uint256 public constant INIT_FINALITY_SLASH_REWARD_RATIO = 20;
+
+  uint256 public finalitySlashRewardRatio;
+
   event validatorSlashed(address indexed validator);
   event indicatorCleaned();
   event paramChange(string key, bytes value);
@@ -44,6 +54,21 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     bool exist;
   }
 
+  // Proof that a validator misbehaved in fast finality
+  struct VoteData {
+    uint256 srcNum;
+    bytes32 srcHash;
+    uint256 tarNum;
+    bytes32 tarHash;
+    bytes sig;
+  }
+
+  struct FinalityEvidence {
+    VoteData voteA;
+    VoteData voteB;
+    bytes voteAddr;
+  }
+
   modifier oncePerBlock() {
     require(block.number > previousHeight, "can not slash twice in one block");
     _;
@@ -115,19 +140,18 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     emit validatorSlashed(validator);
   }
 
-
   // To prevent validator misbehaving and leaving, do not clean slash record to zero, but decrease by felonyThreshold/DECREASE_RATE .
   // Clean is an effective implement to reorganize "validators" and "indicators".
   function clean() external override(ISlashIndicator) onlyValidatorContract onlyInit{
-    if(validators.length == 0){
+    if (validators.length == 0) {
       return;
     }
-    uint i = 0;
+    uint i;
     uint j = validators.length-1;
-    for (;i <= j;) {
+    for ( ; i<=j; ) {
       bool findLeft = false;
       bool findRight = false;
-      for(;i<j;++i){
+      for( ; i<j; ++i){
         Indicator memory leftIndicator = indicators[validators[i]];
         if(leftIndicator.count > felonyThreshold/DECREASE_RATE){
           leftIndicator.count = leftIndicator.count - felonyThreshold/DECREASE_RATE;
@@ -137,7 +161,7 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
           break;
         }
       }
-      for(;i<=j;--j){
+      for( ; i<=j; --j){
         Indicator memory rightIndicator = indicators[validators[j]];
         if(rightIndicator.count > felonyThreshold/DECREASE_RATE){
           rightIndicator.count = rightIndicator.count - felonyThreshold/DECREASE_RATE;
@@ -170,6 +194,46 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     emit indicatorCleaned();
   }
 
+  function submitFinalityViolationEvidence(FinalityEvidence memory _evidence) public onlyInit onlyRelayer {
+    if (finalitySlashRewardRatio == 0) {
+      finalitySlashRewardRatio = INIT_FINALITY_SLASH_REWARD_RATIO;
+    }
+
+    // Basic check
+    require(_evidence.voteA.srcNum+256 > block.number &&
+      _evidence.voteB.srcNum+256 > block.number, "too old block involved");
+    require(!(_evidence.voteA.srcHash == _evidence.voteB.srcHash &&
+      _evidence.voteA.tarHash == _evidence.voteB.tarHash), "two identical votes");
+    require(_evidence.voteA.srcNum < _evidence.voteA.tarNum &&
+      _evidence.voteB.srcNum < _evidence.voteB.tarNum, "srcNum bigger than tarNum");
+
+    // Vote rules check
+    require((_evidence.voteA.srcNum<_evidence.voteB.srcNum && _evidence.voteB.tarNum<_evidence.voteA.tarNum) ||
+      (_evidence.voteB.srcNum<_evidence.voteA.srcNum && _evidence.voteA.tarNum<_evidence.voteB.tarNum) ||
+      _evidence.voteA.tarNum == _evidence.voteB.tarNum, "no violation of vote rules");
+
+    // BLS verification
+    (address[] memory vals, bytes[] memory voteAddrs) = IBSCValidatorSet(VALIDATOR_CONTRACT_ADDR).getLivingValidators();
+    address valAddr;
+    bytes memory voteAddr = _evidence.voteAddr;
+    for (uint i; i < voteAddrs.length; ++i) {
+      if (BytesLib.equal(voteAddrs[i],  voteAddr)) {
+        valAddr = vals[i];
+        break;
+      }
+    }
+    require(valAddr != address(0), "validator not exist");
+
+    require(verifyBLSSignature(_evidence.voteA, _evidence.voteAddr) &&
+      verifyBLSSignature(_evidence.voteB, _evidence.voteAddr), "verify signature failed");
+
+    uint256 amount = (address(SYSTEM_REWARD_ADDR).balance * finalitySlashRewardRatio) / 100;
+    ISystemReward(SYSTEM_REWARD_ADDR).claimRewards(msg.sender, amount);
+    IBSCValidatorSet(VALIDATOR_CONTRACT_ADDR).felony(valAddr);
+    ICrossChain(CROSS_CHAIN_CONTRACT_ADDR).sendSynPackage(SLASH_CHANNELID, encodeSlashPackage(valAddr), 0);
+    emit validatorSlashed(valAddr);
+  }
+
   /**
    * @dev Send a felony cross-chain package to jail a validator
    *
@@ -179,6 +243,45 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     ICrossChain(CROSS_CHAIN_CONTRACT_ADDR).sendSynPackage(SLASH_CHANNELID, encodeSlashPackage(validator), 0);
   }
 
+  function verifyBLSSignature(VoteData memory vote, bytes memory voteAddr) internal view returns(bool) {
+    bytes[] memory elements = new bytes[](4);
+    bytes memory _bytes = new bytes(32);
+    elements[0] = vote.srcNum.encodeUint();
+    TypesToBytes.bytes32ToBytes(32, vote.srcHash, _bytes);
+    elements[1] = _bytes.encodeBytes();
+    elements[2] = vote.tarNum.encodeUint();
+    TypesToBytes.bytes32ToBytes(32, vote.tarHash, _bytes);
+    elements[3] = _bytes.encodeBytes();
+
+    TypesToBytes.bytes32ToBytes(32, keccak256(elements.encodeList()), _bytes);
+
+    // assemble input data
+    bytes memory input = new bytes(176);
+    bytesConcat(input, _bytes, 0, 32);
+    bytesConcat(input, vote.sig, 32, 96);
+    bytesConcat(input, voteAddr, 128, 48);
+
+    // call the precompiled contract to verify the BLS signature
+    // the precompiled contract's address is 0x66
+    bytes memory output = new bytes(1);
+    assembly {
+      let len := mload(input)
+      if iszero(staticcall(not(0), 0x66, add(input, 0x20), len, add(output, 0x20), 0x01)) {
+        revert(0, 0)
+      }
+    }
+    if (BytesLib.toUint8(output, 0) != uint8(1)) {
+      return false;
+    }
+    return true;
+  }
+
+  function bytesConcat(bytes memory data, bytes memory _bytes, uint256 index, uint256 len) internal pure {
+    for (uint i; i<len; ++i) {
+      data[index++] = _bytes[i];
+    }
+  }
+
   /*********************** Param update ********************************/
   function updateParam(string calldata key, bytes calldata value) external override onlyInit onlyGov{
     if (Memory.compareStrings(key,"misdemeanorThreshold")) {
@@ -191,6 +294,11 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
       uint256 newFelonyThreshold = BytesToTypes.bytesToUint256(32, value);
       require(newFelonyThreshold <= 1000 && newFelonyThreshold > misdemeanorThreshold, "the felonyThreshold out of range");
       felonyThreshold = newFelonyThreshold;
+    } else if (Memory.compareStrings(key, "finalitySlashRewardRatio")) {
+      require(value.length == 32, "length of finalitySlashRewardRatio mismatch");
+      uint256 newFinalitySlashRewardRatio = BytesToTypes.bytesToUint256(32, value);
+      require(newFinalitySlashRewardRatio >= 10 && newFinalitySlashRewardRatio < 100, "the finality slash reward ratio out of range");
+      finalitySlashRewardRatio = newFinalitySlashRewardRatio;
     } else {
       require(false, "unknown param");
     }
diff --git a/contracts/SlashIndicator.template b/contracts/SlashIndicator.template
index 647e937c..a3ecf96f 100644
--- a/contracts/SlashIndicator.template
+++ b/contracts/SlashIndicator.template
@@ -1,12 +1,17 @@
 pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
+
 import "./System.sol";
 import "./lib/BytesToTypes.sol";
+import "./lib/TypesToBytes.sol";
+import "./lib/BytesLib.sol";
 import "./lib/Memory.sol";
 import "./interface/ISlashIndicator.sol";
 import "./interface/IApplication.sol";
 import "./interface/IBSCValidatorSet.sol";
 import "./interface/IParamSubscriber.sol";
 import "./interface/ICrossChain.sol";
+import "./interface/ISystemReward.sol";
 import "./lib/CmnPkg.sol";
 import "./lib/RLPEncode.sol";
 
@@ -28,6 +33,11 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
   uint256 public  misdemeanorThreshold;
   uint256 public  felonyThreshold;
 
+  // BEP-126 Fast Finality
+  uint256 public constant INIT_FINALITY_SLASH_REWARD_RATIO = 20;
+
+  uint256 public finalitySlashRewardRatio;
+
   event validatorSlashed(address indexed validator);
   event indicatorCleaned();
   event paramChange(string key, bytes value);
@@ -44,6 +54,21 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     bool exist;
   }
 
+  // Proof that a validator misbehaved in fast finality
+  struct VoteData {
+    uint256 srcNum;
+    bytes32 srcHash;
+    uint256 tarNum;
+    bytes32 tarHash;
+    bytes sig;
+  }
+
+  struct FinalityEvidence {
+    VoteData voteA;
+    VoteData voteB;
+    bytes voteAddr;
+  }
+
   modifier oncePerBlock() {
     require(block.number > previousHeight, "can not slash twice in one block");
     _;
@@ -120,19 +145,18 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     emit validatorSlashed(validator);
   }
 
-
   // To prevent validator misbehaving and leaving, do not clean slash record to zero, but decrease by felonyThreshold/DECREASE_RATE .
   // Clean is an effective implement to reorganize "validators" and "indicators".
   function clean() external override(ISlashIndicator) onlyValidatorContract onlyInit{
-    if(validators.length == 0){
+    if (validators.length == 0) {
       return;
     }
-    uint i = 0;
+    uint i;
     uint j = validators.length-1;
-    for (;i <= j;) {
+    for ( ; i<=j; ) {
       bool findLeft = false;
       bool findRight = false;
-      for(;i<j;++i){
+      for( ; i<j; ++i){
         Indicator memory leftIndicator = indicators[validators[i]];
         if(leftIndicator.count > felonyThreshold/DECREASE_RATE){
           leftIndicator.count = leftIndicator.count - felonyThreshold/DECREASE_RATE;
@@ -142,7 +166,7 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
           break;
         }
       }
-      for(;i<=j;--j){
+      for( ; i<=j; --j){
         Indicator memory rightIndicator = indicators[validators[j]];
         if(rightIndicator.count > felonyThreshold/DECREASE_RATE){
           rightIndicator.count = rightIndicator.count - felonyThreshold/DECREASE_RATE;
@@ -175,6 +199,46 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     emit indicatorCleaned();
   }
 
+  function submitFinalityViolationEvidence(FinalityEvidence memory _evidence) public onlyInit onlyRelayer {
+    if (finalitySlashRewardRatio == 0) {
+      finalitySlashRewardRatio = INIT_FINALITY_SLASH_REWARD_RATIO;
+    }
+
+    // Basic check
+    require(_evidence.voteA.srcNum+256 > block.number &&
+      _evidence.voteB.srcNum+256 > block.number, "too old block involved");
+    require(!(_evidence.voteA.srcHash == _evidence.voteB.srcHash &&
+      _evidence.voteA.tarHash == _evidence.voteB.tarHash), "two identical votes");
+    require(_evidence.voteA.srcNum < _evidence.voteA.tarNum &&
+      _evidence.voteB.srcNum < _evidence.voteB.tarNum, "srcNum bigger than tarNum");
+
+    // Vote rules check
+    require((_evidence.voteA.srcNum<_evidence.voteB.srcNum && _evidence.voteB.tarNum<_evidence.voteA.tarNum) ||
+      (_evidence.voteB.srcNum<_evidence.voteA.srcNum && _evidence.voteA.tarNum<_evidence.voteB.tarNum) ||
+      _evidence.voteA.tarNum == _evidence.voteB.tarNum, "no violation of vote rules");
+
+    // BLS verification
+    (address[] memory vals, bytes[] memory voteAddrs) = IBSCValidatorSet(VALIDATOR_CONTRACT_ADDR).getLivingValidators();
+    address valAddr;
+    bytes memory voteAddr = _evidence.voteAddr;
+    for (uint i; i < voteAddrs.length; ++i) {
+      if (BytesLib.equal(voteAddrs[i],  voteAddr)) {
+        valAddr = vals[i];
+        break;
+      }
+    }
+    require(valAddr != address(0), "validator not exist");
+
+    require(verifyBLSSignature(_evidence.voteA, _evidence.voteAddr) &&
+      verifyBLSSignature(_evidence.voteB, _evidence.voteAddr), "verify signature failed");
+
+    uint256 amount = (address(SYSTEM_REWARD_ADDR).balance * finalitySlashRewardRatio) / 100;
+    ISystemReward(SYSTEM_REWARD_ADDR).claimRewards(msg.sender, amount);
+    IBSCValidatorSet(VALIDATOR_CONTRACT_ADDR).felony(valAddr);
+    ICrossChain(CROSS_CHAIN_CONTRACT_ADDR).sendSynPackage(SLASH_CHANNELID, encodeSlashPackage(valAddr), 0);
+    emit validatorSlashed(valAddr);
+  }
+
   /**
    * @dev Send a felony cross-chain package to jail a validator
    *
@@ -184,6 +248,45 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
     ICrossChain(CROSS_CHAIN_CONTRACT_ADDR).sendSynPackage(SLASH_CHANNELID, encodeSlashPackage(validator), 0);
   }
 
+  function verifyBLSSignature(VoteData memory vote, bytes memory voteAddr) internal view returns(bool) {
+    bytes[] memory elements = new bytes[](4);
+    bytes memory _bytes = new bytes(32);
+    elements[0] = vote.srcNum.encodeUint();
+    TypesToBytes.bytes32ToBytes(32, vote.srcHash, _bytes);
+    elements[1] = _bytes.encodeBytes();
+    elements[2] = vote.tarNum.encodeUint();
+    TypesToBytes.bytes32ToBytes(32, vote.tarHash, _bytes);
+    elements[3] = _bytes.encodeBytes();
+
+    TypesToBytes.bytes32ToBytes(32, keccak256(elements.encodeList()), _bytes);
+
+    // assemble input data
+    bytes memory input = new bytes(176);
+    bytesConcat(input, _bytes, 0, 32);
+    bytesConcat(input, vote.sig, 32, 96);
+    bytesConcat(input, voteAddr, 128, 48);
+
+    // call the precompiled contract to verify the BLS signature
+    // the precompiled contract's address is 0x66
+    bytes memory output = new bytes(1);
+    assembly {
+      let len := mload(input)
+      if iszero(staticcall(not(0), 0x66, add(input, 0x20), len, add(output, 0x20), 0x01)) {
+        revert(0, 0)
+      }
+    }
+    if (BytesLib.toUint8(output, 0) != uint8(1)) {
+      return false;
+    }
+    return true;
+  }
+
+  function bytesConcat(bytes memory data, bytes memory _bytes, uint256 index, uint256 len) internal pure {
+    for (uint i; i<len; ++i) {
+      data[index++] = _bytes[i];
+    }
+  }
+
   /*********************** Param update ********************************/
   function updateParam(string calldata key, bytes calldata value) external override onlyInit onlyGov{
     if (Memory.compareStrings(key,"misdemeanorThreshold")) {
@@ -196,6 +299,11 @@ contract SlashIndicator is ISlashIndicator,System,IParamSubscriber, IApplication
       uint256 newFelonyThreshold = BytesToTypes.bytesToUint256(32, value);
       require(newFelonyThreshold <= 1000 && newFelonyThreshold > misdemeanorThreshold, "the felonyThreshold out of range");
       felonyThreshold = newFelonyThreshold;
+    } else if (Memory.compareStrings(key, "finalitySlashRewardRatio")) {
+      require(value.length == 32, "length of finalitySlashRewardRatio mismatch");
+      uint256 newFinalitySlashRewardRatio = BytesToTypes.bytesToUint256(32, value);
+      require(newFinalitySlashRewardRatio >= 10 && newFinalitySlashRewardRatio < 100, "the finality slash reward ratio out of range");
+      finalitySlashRewardRatio = newFinalitySlashRewardRatio;
     } else {
       require(false, "unknown param");
     }
diff --git a/contracts/SystemReward.sol b/contracts/SystemReward.sol
index ffaa2a60..7669d23f 100644
--- a/contracts/SystemReward.sol
+++ b/contracts/SystemReward.sol
@@ -1,14 +1,16 @@
 pragma solidity 0.6.4;
+
 import "./System.sol";
+import "./lib/Memory.sol";
+import "./interface/IParamSubscriber.sol";
 import "./interface/ISystemReward.sol";
 
-contract SystemReward is System, ISystemReward{
+contract SystemReward is System, IParamSubscriber, ISystemReward {
   uint256 public constant MAX_REWARDS = 1e18;
 
   uint public numOperator;
   mapping(address => bool) operators;
 
-
   modifier doInit() {
     if (!alreadyInit) {
       operators[LIGHT_CLIENT_ADDR] = true;
@@ -19,16 +21,17 @@ contract SystemReward is System, ISystemReward{
     _;
   }
 
-
   modifier onlyOperator() {
     require(operators[msg.sender],"only operator is allowed to call the method");
     _;
   }
-  
+
   event rewardTo(address indexed to, uint256 amount);
   event rewardEmpty();
   event receiveDeposit(address indexed from, uint256 amount);
-
+  event addOperator(address indexed operator);
+  event deleteOperator(address indexed operator);
+  event paramChange(string key, bytes value);
 
   receive() external payable{
     if (msg.value>0) {
@@ -36,13 +39,12 @@ contract SystemReward is System, ISystemReward{
     }
   }
 
-  
-  function claimRewards(address payable to, uint256 amount) external override(ISystemReward) doInit onlyOperator returns(uint256) {
+  function claimRewards(address payable to, uint256 amount) external override(ISystemReward) doInit onlyOperator returns (uint256) {
     uint256 actualAmount = amount < address(this).balance ? amount : address(this).balance;
     if (actualAmount > MAX_REWARDS) {
       actualAmount = MAX_REWARDS;
     }
-    if (actualAmount>0) {
+    if (actualAmount != 0) {
       to.transfer(actualAmount);
       emit rewardTo(to, actualAmount);
     } else {
@@ -54,4 +56,29 @@ contract SystemReward is System, ISystemReward{
   function isOperator(address addr) external view returns (bool) {
     return operators[addr];
   }
-}
\ No newline at end of file
+
+  function updateParam(string calldata key, bytes calldata value) onlyGov external override {
+    if (Memory.compareStrings(key, "addOperator")) {
+      bytes memory valueLocal = value;
+      require(valueLocal.length == 20, "length of value for addOperator should be 20");
+      address operatorAddr;
+      assembly {
+        operatorAddr := mload(add(valueLocal, 20))
+      }
+      operators[operatorAddr] = true;
+      emit addOperator(operatorAddr);
+    } else if (Memory.compareStrings(key, "deleteOperator")) {
+      bytes memory valueLocal = value;
+      require(valueLocal.length == 20, "length of value for deleteOperator should be 20");
+      address operatorAddr;
+      assembly {
+        operatorAddr := mload(add(valueLocal, 20))
+      }
+      delete operators[operatorAddr];
+      emit deleteOperator(operatorAddr);
+    } else {
+      require(false, "unknown param");
+    }
+    emit paramChange(key, value);
+  }
+}
diff --git a/contracts/SystemReward.template b/contracts/SystemReward.template
index b5dec8a1..7669d23f 100644
--- a/contracts/SystemReward.template
+++ b/contracts/SystemReward.template
@@ -1,14 +1,16 @@
 pragma solidity 0.6.4;
+
 import "./System.sol";
+import "./lib/Memory.sol";
+import "./interface/IParamSubscriber.sol";
 import "./interface/ISystemReward.sol";
 
-contract SystemReward is System, ISystemReward{
+contract SystemReward is System, IParamSubscriber, ISystemReward {
   uint256 public constant MAX_REWARDS = 1e18;
 
   uint public numOperator;
   mapping(address => bool) operators;
 
-
   modifier doInit() {
     if (!alreadyInit) {
       operators[LIGHT_CLIENT_ADDR] = true;
@@ -19,19 +21,17 @@ contract SystemReward is System, ISystemReward{
     _;
   }
 
-
   modifier onlyOperator() {
     require(operators[msg.sender],"only operator is allowed to call the method");
     _;
   }
-  {% if mock %}
-  event newOperator(address indexed operator);
-  event deleteOperator(address indexed operator);
-  {% endif %}
+
   event rewardTo(address indexed to, uint256 amount);
   event rewardEmpty();
   event receiveDeposit(address indexed from, uint256 amount);
-
+  event addOperator(address indexed operator);
+  event deleteOperator(address indexed operator);
+  event paramChange(string key, bytes value);
 
   receive() external payable{
     if (msg.value>0) {
@@ -39,35 +39,12 @@ contract SystemReward is System, ISystemReward{
     }
   }
 
-  {% if mock %}
-  modifier onlyOperatorExist(address _operator) {
-    require(operators[_operator], "the operator do not exist");
-    _;
-  }
-
-  modifier onlyOperatorNotExist(address _operator) {
-    require(!operators[_operator],"the operator already exist");
-    _;
-  }
-
-  function addOperator(address operator) external doInit onlyOperatorNotExist(operator) {
-    operators[operator] = true;
-    ++numOperator;
-    emit newOperator(operator);
-  }
-
-  function removeOperator(address operator) external doInit onlyOperatorExist(operator) {
-    delete operators[operator];
-    --numOperator;
-    emit deleteOperator(operator);
-  }
-  {% endif %}
-  function claimRewards(address payable to, uint256 amount) external override(ISystemReward) doInit onlyOperator returns(uint256) {
+  function claimRewards(address payable to, uint256 amount) external override(ISystemReward) doInit onlyOperator returns (uint256) {
     uint256 actualAmount = amount < address(this).balance ? amount : address(this).balance;
     if (actualAmount > MAX_REWARDS) {
       actualAmount = MAX_REWARDS;
     }
-    if (actualAmount>0) {
+    if (actualAmount != 0) {
       to.transfer(actualAmount);
       emit rewardTo(to, actualAmount);
     } else {
@@ -79,4 +56,29 @@ contract SystemReward is System, ISystemReward{
   function isOperator(address addr) external view returns (bool) {
     return operators[addr];
   }
-}
\ No newline at end of file
+
+  function updateParam(string calldata key, bytes calldata value) onlyGov external override {
+    if (Memory.compareStrings(key, "addOperator")) {
+      bytes memory valueLocal = value;
+      require(valueLocal.length == 20, "length of value for addOperator should be 20");
+      address operatorAddr;
+      assembly {
+        operatorAddr := mload(add(valueLocal, 20))
+      }
+      operators[operatorAddr] = true;
+      emit addOperator(operatorAddr);
+    } else if (Memory.compareStrings(key, "deleteOperator")) {
+      bytes memory valueLocal = value;
+      require(valueLocal.length == 20, "length of value for deleteOperator should be 20");
+      address operatorAddr;
+      assembly {
+        operatorAddr := mload(add(valueLocal, 20))
+      }
+      delete operators[operatorAddr];
+      emit deleteOperator(operatorAddr);
+    } else {
+      require(false, "unknown param");
+    }
+    emit paramChange(key, value);
+  }
+}
diff --git a/contracts/interface/IBSCValidatorSet.sol b/contracts/interface/IBSCValidatorSet.sol
index 513c9289..3a6f2407 100644
--- a/contracts/interface/IBSCValidatorSet.sol
+++ b/contracts/interface/IBSCValidatorSet.sol
@@ -1,7 +1,10 @@
 pragma solidity 0.6.4;
+pragma experimental ABIEncoderV2;
 
 interface IBSCValidatorSet {
   function misdemeanor(address validator) external;
   function felony(address validator)external;
   function isCurrentValidator(address validator) external view returns (bool);
+  function getLivingValidators() external view returns(address[] memory, bytes[] memory);
+  function getMiningValidators() external view returns(address[] memory, bytes[] memory);
 }
diff --git a/generate-validator.js b/generate-validator.js
index b23556fb..7246b684 100644
--- a/generate-validator.js
+++ b/generate-validator.js
@@ -1,10 +1,11 @@
 const fs = require("fs");
 const readline = require('readline');
 const nunjucks = require("nunjucks");
-
+const BLSKeys = require("./BLSkeystore.json");
 
 async function processValidatorConf() {
-  const fileStream = fs.createReadStream(__dirname + '/validators.conf');
+  const fileStream = fs.createReadStream(__dirname + "/validators.conf");
+  const publicKey = BLSKeys.public_key;
 
   const rl = readline.createInterface({
     input: fileStream,
@@ -19,14 +20,16 @@ async function processValidatorConf() {
       feeAddr: vs[1],
       bscFeeAddr: vs[2],
       votingPower: vs[3],
-    })
+      bLSPublicKey: "0x" + publicKey.pop()
+    });
   }
   return validators
 }
 
-processValidatorConf().then(function (validators) {
+processValidatorConf().then(function (validators, bLSPublicKeys) {
   const data = {
-    validators: validators
+    validators: validators,
+    bLSPublicKeys: bLSPublicKeys,
   };
   const templateString = fs.readFileSync(__dirname + '/validators.template').toString();
   const resultString = nunjucks.renderString(templateString, data);
diff --git a/genesis-template.json b/genesis-template.json
index a421cd51..8636d298 100644
--- a/genesis-template.json
+++ b/genesis-template.json
@@ -18,6 +18,8 @@
     "eulerBlock": 2,
     "gibbsBlock": 3,
     "moranBlock": 4,
+    "bonehBlock": 5,
+    "lynnBlock": 6,
     "parlia": {
       "period": 3,
       "epoch": 200
diff --git a/genesis.json b/genesis.json
index 8785c315..8520d550 100644
--- a/genesis.json
+++ b/genesis.json
@@ -18,6 +18,8 @@
     "eulerBlock": 2,
     "gibbsBlock": 3,
     "moranBlock": 4,
+    "bonehBlock": 5,
+    "lynnBlock": 6,
     "parlia": {
       "period": 3,
       "epoch": 200
@@ -25,7 +27,7 @@
   },
   "nonce": "0x0",
   "timestamp": "0x5e9da7ce",
-  "extraData": "0x00000000000000000000000000000000000000000000000000000000000000009fb29aac15b9a4b7f17c3385939b007540f4d7910000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+  "extraData": "0x00000000000000000000000000000000000000000000000000000000000000009fb29aac15b9a4b7f17c3385939b007540f4d79185e6972fc98cd3c81d64d40e325acfed44365b97a7567a27939c14dbc7512ddcf54cb1284eb637cfa308ae4e00cb55880000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
   "gasLimit": "0x2625a00",
   "difficulty": "0x1",
   "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/lib/Deployer.sol b/lib/Deployer.sol
index 67d23cb4..b9af68d3 100644
--- a/lib/Deployer.sol
+++ b/lib/Deployer.sol
@@ -121,4 +121,41 @@ contract Deployer is Test {
     govHub.handleSynPackage(GOV_CHANNELID, elements.encodeList());
     vm.stopPrank();
   }
+
+  function encodeOldValidatorSetUpdatePack(uint8 code, address[] memory valSet) internal pure returns (bytes memory) {
+    bytes[] memory elements = new bytes[](2);
+    elements[0] = code.encodeUint();
+
+    bytes[] memory vals = new bytes[](valSet.length);
+    for (uint256 i; i < valSet.length; ++i) {
+      bytes[] memory tmp = new bytes[](4);
+      tmp[0] = valSet[i].encodeAddress();
+      tmp[1] = valSet[i].encodeAddress();
+      tmp[2] = valSet[i].encodeAddress();
+      tmp[3] = uint8(0x64).encodeUint();
+      vals[i] = tmp.encodeList();
+    }
+
+    elements[1] = vals.encodeList();
+    return elements.encodeList();
+  }
+
+  function encodeNewValidatorSetUpdatePack(uint8 code, address[] memory valSet, bytes[] memory voteAddrs) internal pure returns (bytes memory) {
+    bytes[] memory elements = new bytes[](2);
+    elements[0] = code.encodeUint();
+
+    bytes[] memory vals = new bytes[](valSet.length);
+    for (uint256 i; i < valSet.length; ++i) {
+      bytes[] memory tmp = new bytes[](5);
+      tmp[0] = valSet[i].encodeAddress();
+      tmp[1] = valSet[i].encodeAddress();
+      tmp[2] = valSet[i].encodeAddress();
+      tmp[3] = uint8(0x64).encodeUint();
+      tmp[4] = voteAddrs[i].encodeBytes();
+      vals[i] = tmp.encodeList();
+    }
+
+    elements[1] = vals.encodeList();
+    return elements.encodeList();
+  }
 }
diff --git a/lib/RLPDecode.sol b/lib/RLPDecode.sol
index 69bcad8c..9ee71ffa 100644
--- a/lib/RLPDecode.sol
+++ b/lib/RLPDecode.sol
@@ -109,7 +109,11 @@ library RLPDecode {
             result := byte(0, mload(memPtr))
         }
 
-        return result == 0 ? false : true;
+        if (result == 0 || result == STRING_SHORT_START) {
+            return false;
+        } else {
+            return true;
+        }
     }
 
     function toAddress(RLPItem memory item) internal pure returns (address) {
@@ -272,4 +276,4 @@ library RLPDecode {
             mstore(dest, or(destpart, srcpart))
         }
     }
-}
\ No newline at end of file
+}
diff --git a/lib/RLPEncode.sol b/lib/RLPEncode.sol
index cc286dbc..423ef0b8 100644
--- a/lib/RLPEncode.sol
+++ b/lib/RLPEncode.sol
@@ -58,9 +58,7 @@ library RLPEncode {
      */
     function encodeBool(bool self) internal pure returns (bytes memory) {
         bytes memory rs = new bytes(1);
-        if (self) {
-            rs[0] = bytes1(uint8(1));
-        }
+        rs[0] = (self ? bytes1(0x01) : bytes1(0x80));
         return rs;
     }
 
@@ -213,4 +211,4 @@ library RLPEncode {
         }
         return rs;
     }
-}
\ No newline at end of file
+}
diff --git a/lib/interface/IBSCValidatorSet.sol b/lib/interface/IBSCValidatorSet.sol
index d5364b94..350dba8a 100644
--- a/lib/interface/IBSCValidatorSet.sol
+++ b/lib/interface/IBSCValidatorSet.sol
@@ -5,10 +5,12 @@ interface BSCValidatorSet {
     event batchTransferFailed(uint256 indexed amount, string reason);
     event batchTransferLowerFailed(uint256 indexed amount, bytes reason);
     event deprecatedDeposit(address indexed validator, uint256 amount);
+    event deprecatedFinalityRewardDeposit(address indexed validator, uint256 amount);
     event directTransfer(address indexed validator, uint256 amount);
     event directTransferFail(address indexed validator, uint256 amount);
     event failReasonWithStr(string message);
     event feeBurned(uint256 amount);
+    event finalityRewardDeposit(address indexed validator, uint256 amount);
     event paramChange(string key, bytes value);
     event systemTransfer(uint256 amount);
     event unexpectedPackage(uint8 channelId, bytes msgBytes);
@@ -39,6 +41,7 @@ interface BSCValidatorSet {
     function GOV_HUB_ADDR() external view returns (address);
     function INCENTIVIZE_ADDR() external view returns (address);
     function INIT_BURN_RATIO() external view returns (uint256);
+    function INIT_FINALITY_REWARD_RATIO() external view returns (uint256);
     function INIT_MAINTAIN_SLASH_SCALE() external view returns (uint256);
     function INIT_MAX_NUM_OF_MAINTAINING() external view returns (uint256);
     function INIT_NUM_OF_CABINETS() external view returns (uint256);
@@ -77,13 +80,16 @@ interface BSCValidatorSet {
         );
     function currentValidatorSetMap(address) external view returns (uint256);
     function deposit(address valAddr) external payable;
+    function distributeFinalityReward(address[] memory valAddrs, uint256[] memory weights) external;
     function enterMaintenance() external;
     function exitMaintenance() external;
     function expireTimeSecondGap() external view returns (uint256);
     function felony(address validator) external;
+    function finalityRewardRatio() external view returns (uint256);
     function getCurrentValidatorIndex(address _validator) external view returns (uint256);
     function getIncoming(address validator) external view returns (uint256);
-    function getMiningValidators() external view returns (address[] memory);
+    function getLivingValidators() external view returns (address[] memory, bytes[] memory);
+    function getMiningValidators() external view returns (address[] memory, bytes[] memory);
     function getValidators() external view returns (address[] memory);
     function getWorkingValidatorCount() external view returns (uint256 workingValidatorCount);
     function handleAckPackage(uint8 channelId, bytes memory msgBytes) external;
@@ -100,7 +106,11 @@ interface BSCValidatorSet {
     function numOfCabinets() external view returns (uint256);
     function numOfJailed() external view returns (uint256);
     function numOfMaintaining() external view returns (uint256);
+    function previousHeight() external view returns (uint256);
     function totalInComing() external view returns (uint256);
     function updateParam(string memory key, bytes memory value) external;
-    function validatorExtraSet(uint256) external view returns (uint256 enterMaintenanceHeight, bool isMaintaining);
+    function validatorExtraSet(uint256)
+        external
+        view
+        returns (uint256 enterMaintenanceHeight, bool isMaintaining, bytes memory voteAddress);
 }
diff --git a/lib/interface/ISlashIndicator.sol b/lib/interface/ISlashIndicator.sol
index e9d53129..1c0edb1f 100644
--- a/lib/interface/ISlashIndicator.sol
+++ b/lib/interface/ISlashIndicator.sol
@@ -8,6 +8,20 @@ interface SlashIndicator {
     event unKnownResponse(uint32 code);
     event validatorSlashed(address indexed validator);
 
+    struct FinalityEvidence {
+        VoteData voteA;
+        VoteData voteB;
+        bytes voteAddr;
+    }
+
+    struct VoteData {
+        uint256 srcNum;
+        bytes32 srcHash;
+        uint256 tarNum;
+        bytes32 tarHash;
+        bytes sig;
+    }
+
     function BIND_CHANNELID() external view returns (uint8);
     function BSC_RELAYER_REWARD() external view returns (uint256);
     function CODE_OK() external view returns (uint32);
@@ -19,6 +33,7 @@ interface SlashIndicator {
     function GOV_CHANNELID() external view returns (uint8);
     function GOV_HUB_ADDR() external view returns (address);
     function INCENTIVIZE_ADDR() external view returns (address);
+    function INIT_FINALITY_SLASH_REWARD_RATIO() external view returns (uint256);
     function LIGHT_CLIENT_ADDR() external view returns (address);
     function MISDEMEANOR_THRESHOLD() external view returns (uint256);
     function RELAYERHUB_CONTRACT_ADDR() external view returns (address);
@@ -36,6 +51,7 @@ interface SlashIndicator {
     function bscChainID() external view returns (uint16);
     function clean() external;
     function felonyThreshold() external view returns (uint256);
+    function finalitySlashRewardRatio() external view returns (uint256);
     function getSlashIndicator(address validator) external view returns (uint256, uint256);
     function getSlashThresholds() external view returns (uint256, uint256);
     function handleAckPackage(uint8, bytes memory msgBytes) external;
@@ -47,6 +63,7 @@ interface SlashIndicator {
     function previousHeight() external view returns (uint256);
     function sendFelonyPackage(address validator) external;
     function slash(address validator) external;
+    function submitFinalityViolationEvidence(FinalityEvidence memory _evidence) external;
     function updateParam(string memory key, bytes memory value) external;
     function validators(uint256) external view returns (address);
 }
diff --git a/lib/interface/ISystemReward.sol b/lib/interface/ISystemReward.sol
index deabd0ed..48f98080 100644
--- a/lib/interface/ISystemReward.sol
+++ b/lib/interface/ISystemReward.sol
@@ -1,9 +1,12 @@
 pragma solidity ^0.8.10;
 
 interface SystemReward {
+    event paramChange(string key, bytes value);
     event receiveDeposit(address indexed from, uint256 amount);
     event rewardEmpty();
     event rewardTo(address indexed to, uint256 amount);
+    event addOperator(address indexed operator);
+    event deleteOperator(address indexed operator);
 
     function BIND_CHANNELID() external view returns (uint8);
     function CODE_OK() external view returns (uint32);
@@ -31,4 +34,5 @@ interface SystemReward {
     function claimRewards(address to, uint256 amount) external returns (uint256);
     function isOperator(address addr) external view returns (bool);
     function numOperator() external view returns (uint256);
+    function updateParam(string memory key, bytes memory value) external;
 }
diff --git a/test/SlashIndicator.t.sol b/test/SlashIndicator.t.sol
index 85ef92e0..56ba9e92 100644
--- a/test/SlashIndicator.t.sol
+++ b/test/SlashIndicator.t.sol
@@ -3,5 +3,304 @@ pragma solidity ^0.8.10;
 import "../lib/Deployer.sol";
 
 contract SlashIndicatorTest is Deployer {
-  function setUp() public {}
+  event validatorSlashed(address indexed validator);
+  event indicatorCleaned();
+  event paramChange(string key, bytes value);
+
+  address public coinbase;
+  address[] public validators;
+
+  function setUp() public {
+    bytes memory slashCode = vm.getDeployedCode("SlashIndicator.sol");
+    vm.etch(address(slash), slashCode);
+
+    validators = validator.getValidators();
+
+    coinbase = block.coinbase;
+    vm.deal(coinbase, 100 ether);
+  }
+
+  function testGov() public {
+    bytes memory key = "misdemeanorThreshold";
+    bytes memory value = bytes(hex"0000000000000000000000000000000000000000000000000000000000000064"); // 100
+    updateParamByGovHub(key, value, address(slash));
+    assertEq(slash.misdemeanorThreshold(), 100);
+
+    key = "felonyThreshold";
+    value = bytes(hex"00000000000000000000000000000000000000000000000000000000000000c8"); // 200
+    updateParamByGovHub(key, value, address(slash));
+    assertEq(slash.felonyThreshold(), 200);
+
+    key = "finalitySlashRewardRatio";
+    value = bytes(hex"0000000000000000000000000000000000000000000000000000000000000032"); // 50
+    updateParamByGovHub(key, value, address(slash));
+    assertEq(slash.finalitySlashRewardRatio(), 50);
+  }
+
+  function testSlash() public {
+    address validator = validators[0];
+
+    vm.expectRevert(bytes("the message sender must be the block producer"));
+    slash.slash(validator);
+
+    vm.startPrank(coinbase);
+    (, uint256 origin) = slash.getSlashIndicator(validator);
+    for (uint256 i = 1; i < 10; ++i) {
+      vm.expectEmit(true, false, false, true, address(slash));
+      emit validatorSlashed(validator);
+      slash.slash(validator);
+      vm.roll(block.number + 1);
+      (, uint256 count) = slash.getSlashIndicator(validator);
+      assertEq(origin + i, count);
+    }
+    vm.stopPrank();
+  }
+
+  function testMaintenance() public {
+    vm.prank(validators[0]);
+    validator.enterMaintenance();
+
+    (, uint256 countBefore) = slash.getSlashIndicator(validators[0]);
+    vm.prank(coinbase);
+    slash.slash(validators[0]);
+    (, uint256 countAfter) = slash.getSlashIndicator(validators[0]);
+    assertEq(countAfter, countBefore);
+
+    vm.prank(validators[0]);
+    vm.expectRevert(bytes("can not enter Temporary Maintenance"));
+    validator.enterMaintenance();
+
+    // exit maintenance
+    vm.prank(validators[0]);
+    validator.exitMaintenance();
+    vm.roll(block.number + 1);
+    vm.prank(coinbase);
+    slash.slash(validators[0]);
+    (, countAfter) = slash.getSlashIndicator(validators[0]);
+    assertEq(countAfter, countBefore + 1);
+
+    vm.prank(validators[0]);
+    vm.expectRevert(bytes("can not enter Temporary Maintenance"));
+    validator.enterMaintenance();
+  }
+
+  function testMisdemeanor() public {
+    address[] memory vals = new address[](21);
+    for (uint256 i; i < vals.length; ++i) {
+      vals[i] = addrSet[addrIdx++];
+    }
+    vm.prank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, vals));
+
+    vm.startPrank(coinbase);
+    validator.deposit{value: 1 ether}(vals[0]);
+    assertEq(9e17, validator.getIncoming(vals[0]));
+
+    for (uint256 i; i < 50; ++i) {
+      vm.roll(block.number + 1);
+      slash.slash(vals[0]);
+    }
+    (, uint256 count) = slash.getSlashIndicator(vals[0]);
+    assertEq(50, count);
+    assertEq(0, validator.getIncoming(vals[0]));
+
+    // enter maintenance, cannot be slashed
+    vm.roll(block.number + 1);
+    slash.slash(vals[0]);
+    (, count) = slash.getSlashIndicator(vals[0]);
+    assertEq(50, count);
+    vm.stopPrank();
+
+    address[] memory newVals = new address[](3);
+    for (uint256 i; i < newVals.length; ++i) {
+      newVals[i] = vals[i];
+    }
+    vm.prank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newVals));
+
+    vm.startPrank(coinbase);
+    validator.deposit{value: 2 ether}(newVals[0]);
+    assertEq(18e17, validator.getIncoming(newVals[0]));
+
+    for (uint256 i; i < 37; ++i) {
+      vm.roll(block.number + 1);
+      slash.slash(newVals[0]);
+    }
+    (, count) = slash.getSlashIndicator(newVals[0]);
+    assertEq(50, count);
+    assertEq(0, validator.getIncoming(newVals[0]));
+    assertEq(9e17, validator.getIncoming(newVals[1]));
+    assertEq(9e17, validator.getIncoming(newVals[2]));
+
+    validator.deposit{value: 1 ether}(newVals[1]);
+    assertEq(18e17, validator.getIncoming(newVals[1]));
+    for (uint256 i; i < 50; ++i) {
+      vm.roll(block.number + 1);
+      slash.slash(newVals[1]);
+    }
+    assertEq(9e17, validator.getIncoming(newVals[0]));
+    assertEq(0, validator.getIncoming(newVals[1]));
+    assertEq(18e17, validator.getIncoming(newVals[2]));
+
+    assertEq(18e17, validator.getIncoming(newVals[2]));
+    for (uint256 i; i < 50; ++i) {
+      vm.roll(block.number + 1);
+      slash.slash(newVals[2]);
+    }
+    assertEq(18e17, validator.getIncoming(newVals[0]));
+    assertEq(9e17, validator.getIncoming(newVals[1]));
+    assertEq(0, validator.getIncoming(newVals[2]));
+    vm.stopPrank();
+  }
+
+  function testFelony() public {
+    address[] memory vals = new address[](3);
+    for (uint256 i; i < vals.length; ++i) {
+      vals[i] = addrSet[addrIdx++];
+    }
+    vm.prank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, vals));
+
+    vm.startPrank(coinbase);
+    validator.deposit{value: 1 ether}(vals[0]);
+    assertEq(9e17, validator.getIncoming(vals[0]));
+
+    for (uint256 i; i < 50; ++i) {
+      vm.roll(block.number + 1);
+      slash.slash(vals[0]);
+    }
+    (, uint256 count) = slash.getSlashIndicator(vals[0]);
+    assertEq(50, count);
+    assertEq(0, validator.getIncoming(vals[0]));
+    vm.stopPrank();
+
+    vm.prank(vals[0]);
+    validator.exitMaintenance();
+
+    vm.startPrank(coinbase);
+    validator.deposit{value: 1 ether}(vals[0]);
+    for (uint256 i; i < 100; ++i) {
+      vm.roll(block.number + 1);
+      slash.slash(vals[0]);
+    }
+    (, count) = slash.getSlashIndicator(vals[0]);
+    assertEq(0, count);
+    assertEq(0, validator.getIncoming(vals[0]));
+    assertEq(9e17, validator.getIncoming(vals[1]));
+    assertEq(9e17, validator.getIncoming(vals[2]));
+
+    vals = validator.getValidators();
+    assertEq(2, vals.length);
+    vm.stopPrank();
+  }
+
+  function testClean() public {
+    // case 1: all clean.
+    address[] memory vals = new address[](20);
+    for (uint256 i; i < vals.length; ++i) {
+      vals[i] = addrSet[addrIdx++];
+    }
+    vm.prank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, vals));
+
+    vm.startPrank(coinbase);
+    for (uint256 i; i < vals.length; ++i) {
+      vm.roll(block.number + 1);
+      slash.slash(vals[i]);
+    }
+    vm.stopPrank();
+
+    // do clean
+    vm.prank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, vals));
+
+    uint256 count;
+    for (uint256 i; i < vals.length; ++i) {
+      (, count) = slash.getSlashIndicator(vals[i]);
+      assertEq(0, count);
+    }
+
+    // case 2: all stay.
+    // felonyThreshold/DECREASE_RATE = 37
+    vm.startPrank(coinbase);
+    for (uint256 i; i < vals.length; ++i) {
+      for (uint256 j; j < 38; ++j) {
+        vm.roll(block.number + 1);
+        slash.slash(vals[i]);
+      }
+    }
+    vm.stopPrank();
+
+    // do clean
+    vm.prank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, vals));
+
+    for (uint256 i; i < vals.length; ++i) {
+      (, count) = slash.getSlashIndicator(vals[i]);
+      assertEq(1, count);
+    }
+
+    // case 3: partial stay.
+    vm.startPrank(coinbase);
+    for (uint256 i; i < 10; ++i) {
+      for (uint256 j; j < 38; ++j) {
+        vm.roll(block.number + 1);
+        slash.slash(vals[2 * i]);
+      }
+      vm.roll(block.number + 1);
+      slash.slash(vals[2 * i + 1]);
+    }
+    vm.stopPrank();
+
+    // do clean
+    vm.prank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, vals));
+
+    for (uint256 i; i < 10; ++i) {
+      (, count) = slash.getSlashIndicator(vals[i]);
+      if (i % 2 == 0) {
+        assertEq(2, count);
+      } else {
+        assertEq(0, count);
+      }
+    }
+  }
+
+  //  function testFinality() public {
+  //    address[] memory vals = new address[](20);
+  //    bytes[] memory voteAddrs = new bytes[](20);
+  //    for (uint256 i; i < vals.length; ++i) {
+  //      vals[i] = addrSet[addrIdx++];
+  //      voteAddrs[i] = abi.encodePacked(vals[i]);
+  //    }
+  //    vm.prank(address(crossChain));
+  //    validator.handleSynPackage(STAKING_CHANNELID, encodeNewValidatorSetUpdatePack(0x00, vals, voteAddrs));
+  //
+  //    // case1: valid finality evidence: same target block
+  //    uint256 srcNumA = block.number - 20;
+  //    uint256 tarNumA = block.number - 10;
+  //    uint256 srcNumB = block.number - 15;
+  //    uint256 tarNumB = tarNumA;
+  //    SlashIndicator.VoteData memory voteA;
+  //    voteA.srcNum = srcNumA;
+  //    voteA.srcHash = blockhash(srcNumA);
+  //    voteA.tarNum = tarNumA;
+  //    voteA.tarHash = blockhash(tarNumA);
+  //    voteA.sig = abi.encode("sigA");
+  //
+  //    SlashIndicator.VoteData memory voteB;
+  //    voteB.srcNum = srcNumB;
+  //    voteB.srcHash = blockhash(srcNumB);
+  //    voteB.tarNum = tarNumB;
+  //    voteB.tarHash = blockhash(tarNumB);
+  //    voteB.sig = abi.encode("sigB");
+  //
+  //    SlashIndicator.FinalityEvidence memory evidence;
+  //    evidence.voteA = voteA;
+  //    evidence.voteB = voteB;
+  //    evidence.voteAddr = voteAddrs[0];
+  //
+  //    vm.prank(relayer);
+  //    slash.submitFinalityViolationEvidence(evidence);
+  //  }
 }
diff --git a/test/Staking.t.sol b/test/Staking.t.sol
index b270cc02..3a2d1b9e 100644
--- a/test/Staking.t.sol
+++ b/test/Staking.t.sol
@@ -7,9 +7,7 @@ contract StakingTest is Deployer {
 
   event delegateSubmitted(address indexed delegator, address indexed validator, uint256 amount, uint256 oracleRelayerFee);
   event undelegateSubmitted(address indexed delegator, address indexed validator, uint256 amount, uint256 oracleRelayerFee);
-  event redelegateSubmitted(
-    address indexed delegator, address indexed validatorSrc, address indexed validatorDst, uint256 amount, uint256 oracleRelayerFee
-  );
+  event redelegateSubmitted(address indexed delegator, address indexed validatorSrc, address indexed validatorDst, uint256 amount, uint256 oracleRelayerFee);
   event rewardReceived(address indexed delegator, uint256 amount);
   event rewardClaimed(address indexed delegator, uint256 amount);
   event undelegatedReceived(address indexed delegator, address indexed validator, uint256 amount);
diff --git a/test/SystemReward.t.sol b/test/SystemReward.t.sol
index 3ef0c708..0d97ccf3 100644
--- a/test/SystemReward.t.sol
+++ b/test/SystemReward.t.sol
@@ -3,10 +3,14 @@ pragma solidity ^0.8.10;
 import "../lib/Deployer.sol";
 
 contract SystemRewardTest is Deployer {
+  event paramChange(string key, bytes value);
   event rewardTo(address indexed to, uint256 amount);
   event rewardEmpty();
 
-  function setUp() public {}
+  function setUp() public {
+    bytes memory rewardCode = vm.getDeployedCode("SystemReward.sol");
+    vm.etch(address(systemReward), rewardCode);
+  }
 
   function testReceive(uint256 amount) public {
     vm.assume(amount < 1e20);
@@ -25,7 +29,6 @@ contract SystemRewardTest is Deployer {
   }
 
   function testClaimReward() public {
-    //    vm.assume(amount < 1e20);
     address newAccount = addrSet[addrIdx++];
 
     payable(address(systemReward)).transfer(1 ether);
@@ -43,4 +46,19 @@ contract SystemRewardTest is Deployer {
     vm.prank(LIGHT_CLIENT_ADDR);
     systemReward.claimRewards(newAccount, 1 ether);
   }
+
+  function testGov() public {
+    bytes memory key = "addOperator";
+    bytes memory valueBytes = abi.encodePacked(address(validator));
+    vm.expectEmit(false, false, false, true, address(systemReward));
+    emit paramChange(string(key), valueBytes);
+    updateParamByGovHub(key, valueBytes, address(systemReward));
+    assertTrue(systemReward.isOperator(address(validator)));
+
+    key = "deleteOperator";
+    vm.expectEmit(false, false, false, true, address(systemReward));
+    emit paramChange(string(key), valueBytes);
+    updateParamByGovHub(key, valueBytes, address(systemReward));
+    assertFalse(systemReward.isOperator(address(validator)));
+  }
 }
diff --git a/test/TokenHub.t.sol b/test/TokenHub.t.sol
index 2e4de5c4..36708e4f 100644
--- a/test/TokenHub.t.sol
+++ b/test/TokenHub.t.sol
@@ -74,8 +74,7 @@ contract TokenHubTest is Deployer {
     vm.prank(address(crossChain));
     tokenManager.handleSynPackage(BIND_CHANNELID, pack);
 
-    (, bytes32 symbol, address addr, uint256 totalSupply, uint256 peggyAmount, uint8 decimal,) =
-      tokenManager.bindPackageRecord(bytes32("ABC-9C7"));
+    (, bytes32 symbol, address addr, uint256 totalSupply, uint256 peggyAmount, uint8 decimal,) = tokenManager.bindPackageRecord(bytes32("ABC-9C7"));
     assertEq(symbol, bytes32("ABC-9C7"), "wrong symbol");
     assertEq(addr, address(abcToken), "wrong token address");
     assertEq(totalSupply, 1e8 * 1e18, "wrong total supply");
@@ -776,9 +775,7 @@ contract TokenHubTest is Deployer {
     tokenManager.mirror{value: miniRelayerFee + mirrorFee}(address(xyzToken), expireTime);
 
     // Mirror fail ack
-    pack = buildMirrorFailAckPackage(
-      address(this), address(xyzToken), bytes32("XYZ Token"), uint8(18), bytes32("XYZ"), 1e8 * 1e18, mirrorFee / 1e10, expireTime
-    );
+    pack = buildMirrorFailAckPackage(address(this), address(xyzToken), bytes32("XYZ Token"), uint8(18), bytes32("XYZ"), 1e8 * 1e18, mirrorFee / 1e10, expireTime);
     vm.prank(address(crossChain));
     tokenManager.handleFailAckPackage(MIRROR_CHANNELID, pack);
     assertEq(address(tokenManager).balance, 0, "wrong balance in tokenManager");
@@ -888,11 +885,7 @@ contract TokenHubTest is Deployer {
     tokenManager.sync{value: miniRelayerFee + mirrorFee}(address(xyzToken), expireTime);
   }
 
-  function buildBindPackage(uint8 bindType, bytes32 symbol, address addr, uint256 totalSupply, uint256 peggyAmount, uint8 decimal)
-    internal
-    view
-    returns (bytes memory)
-  {
+  function buildBindPackage(uint8 bindType, bytes32 symbol, address addr, uint256 totalSupply, uint256 peggyAmount, uint8 decimal) internal view returns (bytes memory) {
     uint256 timestamp = block.timestamp;
     uint256 expireTime = timestamp + 3;
     bytes[] memory elements = new bytes[](7);
@@ -906,11 +899,7 @@ contract TokenHubTest is Deployer {
     return elements.encodeList();
   }
 
-  function buildTransferInPackage(bytes32 symbol, address tokenAddr, uint256 amount, address recipient, address refundAddr)
-    internal
-    view
-    returns (bytes memory)
-  {
+  function buildTransferInPackage(bytes32 symbol, address tokenAddr, uint256 amount, address recipient, address refundAddr) internal view returns (bytes memory) {
     uint256 timestamp = block.timestamp;
     uint256 expireTime = timestamp + 3;
     bytes[] memory elements = new bytes[](6);
@@ -923,13 +912,7 @@ contract TokenHubTest is Deployer {
     return elements.encodeList();
   }
 
-  function buildBatchTransferOutFailAckPackage(
-    bytes32 symbol,
-    address tokenAddr,
-    uint256[] memory amounts,
-    address[] memory recipients,
-    address[] memory refundAddrs
-  ) internal view returns (bytes memory) {
+  function buildBatchTransferOutFailAckPackage(bytes32 symbol, address tokenAddr, uint256[] memory amounts, address[] memory recipients, address[] memory refundAddrs) internal view returns (bytes memory) {
     uint256 length = amounts.length;
     bytes[] memory amtBytes = new bytes[](length);
     bytes[] memory recipientBytes = new bytes[](length);
@@ -952,11 +935,7 @@ contract TokenHubTest is Deployer {
     return elements.encodeList();
   }
 
-  function buildRefundPackage(address tokenAddr, uint256[] memory amounts, address[] memory recipients, uint32 status)
-    internal
-    pure
-    returns (bytes memory)
-  {
+  function buildRefundPackage(address tokenAddr, uint256[] memory amounts, address[] memory recipients, uint32 status) internal pure returns (bytes memory) {
     uint256 length = amounts.length;
     bytes[] memory amtBytes = new bytes[](length);
     bytes[] memory recipientBytes = new bytes[](length);
@@ -973,11 +952,7 @@ contract TokenHubTest is Deployer {
     return elements.encodeList();
   }
 
-  function buildMirrorAckPackage(address sender, address tokenAddr, uint8 decimal, bytes32 symbol, uint256 mirrorFee, uint8 errCode)
-    internal
-    pure
-    returns (bytes memory)
-  {
+  function buildMirrorAckPackage(address sender, address tokenAddr, uint8 decimal, bytes32 symbol, uint256 mirrorFee, uint8 errCode) internal pure returns (bytes memory) {
     bytes[] memory elements = new bytes[](6);
     elements[0] = sender.encodeAddress();
     elements[1] = tokenAddr.encodeAddress();
@@ -988,16 +963,7 @@ contract TokenHubTest is Deployer {
     return elements.encodeList();
   }
 
-  function buildMirrorFailAckPackage(
-    address sender,
-    address tokenAddr,
-    bytes32 name,
-    uint8 decimal,
-    bytes32 symbol,
-    uint256 supply,
-    uint256 mirrorFee,
-    uint256 expireTime
-  ) internal pure returns (bytes memory) {
+  function buildMirrorFailAckPackage(address sender, address tokenAddr, bytes32 name, uint8 decimal, bytes32 symbol, uint256 supply, uint256 mirrorFee, uint256 expireTime) internal pure returns (bytes memory) {
     bytes[] memory elements = new bytes[](8);
     elements[0] = sender.encodeAddress();
     elements[1] = tokenAddr.encodeAddress();
@@ -1019,11 +985,7 @@ contract TokenHubTest is Deployer {
     return elements.encodeList();
   }
 
-  function buildSyncFailAckPackage(address sender, address tokenAddr, bytes32 symbol, uint256 supply, uint256 syncFee, uint256 expireTime)
-    internal
-    pure
-    returns (bytes memory)
-  {
+  function buildSyncFailAckPackage(address sender, address tokenAddr, bytes32 symbol, uint256 supply, uint256 syncFee, uint256 expireTime) internal pure returns (bytes memory) {
     bytes[] memory elements = new bytes[](6);
     elements[0] = sender.encodeAddress();
     elements[1] = tokenAddr.encodeAddress();
diff --git a/test/ValidatorSet.t.sol b/test/ValidatorSet.t.sol
index 50b7f275..5f840b76 100644
--- a/test/ValidatorSet.t.sol
+++ b/test/ValidatorSet.t.sol
@@ -24,6 +24,8 @@ contract ValidatorSetTest is Deployer {
   event feeBurned(uint256 amount);
   event validatorEnterMaintenance(address indexed validator);
   event validatorExitMaintenance(address indexed validator);
+  event finalityRewardDeposit(address indexed validator, uint256 amount);
+  event deprecatedFinalityRewardDeposit(address indexed validator, uint256 amount);
 
   uint256 public totalInComing;
   uint256 public burnRatio;
@@ -36,6 +38,21 @@ contract ValidatorSetTest is Deployer {
   mapping(address => bool) cabinets;
 
   function setUp() public {
+    bytes memory rewardCode = vm.getDeployedCode("SystemReward.sol");
+    vm.etch(address(systemReward), rewardCode);
+    bytes memory slashCode = vm.getDeployedCode("SlashIndicator.sol");
+    vm.etch(address(slash), slashCode);
+    bytes memory validatorCode = vm.getDeployedCode("BSCValidatorSet.sol");
+    vm.etch(address(validator), validatorCode);
+
+    // add operator
+    bytes memory key = "addOperator";
+    bytes memory valueBytes = abi.encodePacked(address(validator));
+    vm.expectEmit(false, false, false, true, address(systemReward));
+    emit paramChange(string(key), valueBytes);
+    updateParamByGovHub(key, valueBytes, address(systemReward));
+    assertTrue(systemReward.isOperator(address(validator)));
+
     burnRatio = validator.INIT_BURN_RATIO();
     burnRatioScale = validator.BURN_RATIO_SCALE();
     validators = validator.getValidators();
@@ -120,27 +137,33 @@ contract ValidatorSetTest is Deployer {
       newValidators[i] = addrSet[addrIdx++];
     }
     vm.startPrank(address(crossChain));
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValidators));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValidators));
     vm.stopPrank();
 
     address[] memory vals = validator.getValidators();
-    address[] memory miningVals = validator.getMiningValidators();
+    (address[] memory miningVals,) = validator.getMiningValidators();
+
     uint256 count;
     uint256 _numOfCabinets;
+    uint256 _maxNumOfWorkingCandidates = maxNumOfWorkingCandidates;
     if (numOfCabinets == 0) {
       _numOfCabinets = validator.INIT_NUM_OF_CABINETS();
     } else {
       _numOfCabinets = numOfCabinets;
     }
+    if ((vals.length - _numOfCabinets) < _maxNumOfWorkingCandidates) {
+      _maxNumOfWorkingCandidates = vals.length - _numOfCabinets;
+    }
+
     for (uint256 i; i < _numOfCabinets; ++i) {
       cabinets[vals[i]] = true;
     }
-    for (uint256 i; i < miningVals.length; ++i) {
+    for (uint256 i; i < _numOfCabinets; ++i) {
       if (!cabinets[miningVals[i]]) {
         ++count;
       }
     }
-    assertGe(maxNumOfWorkingCandidates, count);
+    assertGe(_maxNumOfWorkingCandidates, count);
     assertGe(count, 0);
   }
 
@@ -150,7 +173,7 @@ contract ValidatorSetTest is Deployer {
 
     // To reset the incoming
     vm.startPrank(address(crossChain));
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValidator));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValidator));
     vm.stopPrank();
 
     address val = newValidator[0];
@@ -180,7 +203,7 @@ contract ValidatorSetTest is Deployer {
     vm.expectEmit(false, false, false, false, address(validator));
     emit validatorSetUpdated();
     vm.startPrank(address(crossChain));
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValidator));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValidator));
     vm.stopPrank();
   }
 
@@ -192,7 +215,7 @@ contract ValidatorSetTest is Deployer {
 
     // To reset the incoming
     vm.startPrank(address(crossChain));
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValidators));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValidators));
     vm.stopPrank();
 
     vm.startPrank(coinbase);
@@ -205,7 +228,7 @@ contract ValidatorSetTest is Deployer {
       newValidators[i] = addrSet[addrIdx++];
     }
     vm.startPrank(address(crossChain));
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValidators));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValidators));
     vm.stopPrank();
   }
 
@@ -219,7 +242,7 @@ contract ValidatorSetTest is Deployer {
     vm.startPrank(address(crossChain));
     vm.expectEmit(false, false, false, true, address(validator));
     emit failReasonWithStr("the number of validators exceed the limit");
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValidators));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValidators));
     vm.stopPrank();
   }
 
@@ -230,7 +253,7 @@ contract ValidatorSetTest is Deployer {
     for (uint256 i; i < 5; ++i) {
       newValidators[i] = addrSet[addrIdx++];
     }
-    bytes memory pack = _encodeValidatorSetUpdatePack(0x00, newValidators);
+    bytes memory pack = encodeOldValidatorSetUpdatePack(0x00, newValidators);
     vm.startPrank(address(crossChain));
     validator.handleSynPackage(STAKING_CHANNELID, pack);
     vm.stopPrank();
@@ -282,7 +305,7 @@ contract ValidatorSetTest is Deployer {
 
     vm.startPrank(address(crossChain));
     for (uint256 k; k < 5; ++k) {
-      validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValSet[k]));
+      validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValSet[k]));
       address[] memory valSet = validator.getValidators();
       for (uint256 l; l < 5 + k; ++l) {
         assertEq(valSet[l], newValSet[k][l], "consensusAddr not equal");
@@ -309,13 +332,13 @@ contract ValidatorSetTest is Deployer {
     newValSet[2][3] = addrSet[addrIdx++];
 
     vm.startPrank(address(crossChain));
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValSet[2]));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValSet[2]));
     for (uint256 i; i < 2; ++i) {
       vm.expectEmit(false, false, false, true, address(validator));
       emit failReasonWithStr("duplicate consensus address of validatorSet");
-      validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValSet[i]));
+      validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValSet[i]));
     }
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValSet[3]));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValSet[3]));
     vm.stopPrank();
 
     uint256 height = block.number;
@@ -336,11 +359,11 @@ contract ValidatorSetTest is Deployer {
     address[] memory newValidators = new address[](5);
     address deprecated = addrSet[addrIdx++];
     uint256 balance = deprecated.balance;
-    newValidators[0] = address(validator);
+    newValidators[0] = address(slash);
     for (uint256 i = 1; i < 5; ++i) {
       newValidators[i] = addrSet[addrIdx++];
     }
-    bytes memory pack = _encodeValidatorSetUpdatePack(0x00, newValidators);
+    bytes memory pack = encodeOldValidatorSetUpdatePack(0x00, newValidators);
     vm.startPrank(address(crossChain));
     validator.handleSynPackage(STAKING_CHANNELID, pack);
     vm.stopPrank();
@@ -385,7 +408,7 @@ contract ValidatorSetTest is Deployer {
     address[] memory newValidators = new address[](5);
     address deprecated = addrSet[addrIdx++];
     uint256 balance = deprecated.balance;
-    newValidators[0] = address(validator);
+    newValidators[0] = address(slash);
     for (uint256 i = 1; i < 5; ++i) {
       newValidators[i] = addrSet[addrIdx++];
     }
@@ -396,7 +419,7 @@ contract ValidatorSetTest is Deployer {
     (bool success,) = address(tokenHub).call(abi.encodeWithSignature("setPanicBatchTransferOut(bool)", true));
     require(success);
 
-    bytes memory pack = _encodeValidatorSetUpdatePack(0x00, newValidators);
+    bytes memory pack = encodeOldValidatorSetUpdatePack(0x00, newValidators);
     vm.startPrank(address(crossChain));
     validator.handleSynPackage(STAKING_CHANNELID, pack);
     vm.stopPrank();
@@ -450,7 +473,7 @@ contract ValidatorSetTest is Deployer {
     }
 
     vm.startPrank(address(crossChain));
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x00, newValidators));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x00, newValidators));
 
     address[] memory remainVals = validator.getValidators();
     assertEq(remainVals.length, 3);
@@ -460,11 +483,11 @@ contract ValidatorSetTest is Deployer {
 
     vm.expectEmit(false, false, false, true, address(validator));
     emit failReasonWithStr("length of jail validators must be one");
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x01, newValidators));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x01, newValidators));
 
     address[] memory jailVal = new address[](1);
     jailVal[0] = newValidators[0];
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x01, jailVal));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x01, jailVal));
 
     remainVals = validator.getValidators();
     assertEq(remainVals.length, 2);
@@ -473,34 +496,69 @@ contract ValidatorSetTest is Deployer {
     }
 
     jailVal[0] = newValidators[1];
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x01, jailVal));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x01, jailVal));
     remainVals = validator.getValidators();
     assertEq(remainVals.length, 1);
     assertEq(remainVals[0], newValidators[2]);
 
     jailVal[0] = newValidators[2];
-    validator.handleSynPackage(STAKING_CHANNELID, _encodeValidatorSetUpdatePack(0x01, jailVal));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeOldValidatorSetUpdatePack(0x01, jailVal));
     remainVals = validator.getValidators();
     assertEq(remainVals.length, 1);
     assertEq(remainVals[0], newValidators[2]);
     vm.stopPrank();
   }
 
-  function _encodeValidatorSetUpdatePack(uint8 code, address[] memory valSet) internal pure returns (bytes memory) {
-    bytes[] memory elements = new bytes[](2);
-    elements[0] = code.encodeUint();
-
-    bytes[] memory vals = new bytes[](valSet.length);
-    for (uint256 i; i < valSet.length; ++i) {
-      bytes[] memory tmp = new bytes[](4);
-      tmp[0] = valSet[i].encodeAddress();
-      tmp[1] = valSet[i].encodeAddress();
-      tmp[2] = valSet[i].encodeAddress();
-      tmp[3] = uint8(0x64).encodeUint();
-      vals[i] = tmp.encodeList();
+  function testDecodeNewCrossChainPack() public {
+    address[] memory newValidators = new address[](41);
+    bytes[] memory newVoteAddrs = new bytes[](41);
+    for (uint256 i; i < newValidators.length; ++i) {
+      newValidators[i] = addrSet[addrIdx++];
+      newVoteAddrs[i] = abi.encodePacked(newValidators[i]);
+    }
+    vm.startPrank(address(crossChain));
+    validator.handleSynPackage(STAKING_CHANNELID, encodeNewValidatorSetUpdatePack(0x00, newValidators, newVoteAddrs));
+    vm.stopPrank();
+
+    (address[] memory vals, bytes[] memory voteAddrs) = validator.getLivingValidators();
+    for (uint256 i; i < newValidators.length; ++i) {
+      assertEq(voteAddrs[i], abi.encodePacked(vals[i]));
+    }
+  }
+
+  function testDistributeFinalityReward() public {
+    address[] memory addrs = new address[](20);
+    uint256[] memory weights = new uint256[](20);
+    address[] memory vals = validator.getValidators();
+    for (uint256 i; i < 10; ++i) {
+      addrs[i] = vals[i];
+      weights[i] = 1;
+    }
+
+    for (uint256 i = 10; i < 20; ++i) {
+      vals[i] = addrSet[addrIdx++];
+      weights[i] = 1;
     }
 
-    elements[1] = vals.encodeList();
-    return elements.encodeList();
+    vm.deal(address(systemReward), 99 ether);
+    vm.expectRevert(bytes("the message sender must be the block producer"));
+    validator.distributeFinalityReward(addrs, weights);
+
+    // first time distribution will init the config and return
+    vm.startPrank(address(coinbase));
+    validator.distributeFinalityReward(addrs, weights);
+    vm.deal(address(systemReward), 100 ether);
+    vm.roll(block.number + 1);
+
+    vm.expectEmit(true, false, false, true, address(validator));
+    emit finalityRewardDeposit(addrs[0], 25e15);
+    vm.expectEmit(true, false, false, true, address(validator));
+    emit finalityRewardDeposit(addrs[9], 25e15);
+    vm.expectEmit(true, false, false, true, address(validator));
+    emit deprecatedFinalityRewardDeposit(addrs[10], 25e15);
+    vm.expectEmit(true, false, false, true, address(validator));
+    emit deprecatedFinalityRewardDeposit(addrs[19], 25e15);
+    validator.distributeFinalityReward(addrs, weights);
+    vm.stopPrank();
   }
 }
diff --git a/validators.js b/validators.js
index 355e0a99..cfe30890 100644
--- a/validators.js
+++ b/validators.js
@@ -10,26 +10,31 @@ const validators = [
     votingPower: 0x0000000000000064
   }
 ];
+const bLSPublicKeys = [
+   "0x85e6972fc98cd3c81d64d40e325acfed44365b97a7567a27939c14dbc7512ddcf54cb1284eb637cfa308ae4e00cb5588",
+];
 
 // ===============  Do not edit below ====
-function generateExtradata(validators) {
+function generateExtradata(validators, bLSPublicKeys) {
   let extraVanity =Buffer.alloc(32);
-  let validatorsBytes = extraDataSerialize(validators);
+  let validatorsBytes = extraDataSerialize(validators, bLSPublicKeys);
   let extraSeal =Buffer.alloc(65);
   return Buffer.concat([extraVanity,validatorsBytes,extraSeal]);
 }
 
-function extraDataSerialize(validators) {
+function extraDataSerialize(validators, bLSPublicKeys) {
   let n = validators.length;
   let arr = [];
   for(let i = 0;i<n;i++){
     let validator = validators[i];
+    let BLSPublicKey = bLSPublicKeys[i];
     arr.push(Buffer.from(web3.utils.hexToBytes(validator.consensusAddr)));
+    arr.push(Buffer.from(web3.utils.hexToBytes(BLSPublicKey)));
   }
   return Buffer.concat(arr);
 }
 
-function validatorUpdateRlpEncode(validators) {
+function validatorUpdateRlpEncode(validators, bLSPublicKeys) {
   let n = validators.length;
   let vals = [];
   for(let i = 0;i<n;i++) {
@@ -38,14 +43,15 @@ function validatorUpdateRlpEncode(validators) {
       validators[i].bscFeeAddr,
       validators[i].feeAddr,
       validators[i].votingPower,
+      bLSPublicKeys[i]
     ]);
   }
   let pkg = [0x00, vals];
   return web3.utils.bytesToHex(RLP.encode(pkg));
 }
 
-extraValidatorBytes = generateExtradata(validators);
-validatorSetBytes = validatorUpdateRlpEncode(validators);
+extraValidatorBytes = generateExtradata(validators, bLSPublicKeys);
+validatorSetBytes = validatorUpdateRlpEncode(validators, bLSPublicKeys);
 
 exports = module.exports = {
   extraValidatorBytes: extraValidatorBytes,
diff --git a/validators.template b/validators.template
index 61e803a7..50c34d44 100644
--- a/validators.template
+++ b/validators.template
@@ -11,26 +11,33 @@ const validators = [
      "votingPower": {{ v.votingPower }},
    },{% endfor %}
 ];
+const bLSPublicKeys = [
+  {% for v in validators %}
+   "{{ v.bLSPublicKey }}",{% endfor %}
+];
 
 // ===============  Do not edit below ====
-function generateExtradata(validators) {
+function generateExtradata(validators, bLSPublicKeys) {
   let extraVanity =Buffer.alloc(32);
-  let validatorsBytes = extraDataSerialize(validators);
+  let validatorsBytes = extraDataSerialize(validators, bLSPublicKeys);
   let extraSeal =Buffer.alloc(65);
   return Buffer.concat([extraVanity,validatorsBytes,extraSeal]);
 }
 
-function extraDataSerialize(validators) {
+function extraDataSerialize(validators, bLSPublicKeys) {
   let n = validators.length;
   let arr = [];
+  arr.push(Buffer.from(web3.utils.hexToBytes("0x" + n.toString(16))));
   for (let i = 0;i<n;i++) {
     let validator = validators[i];
+    let BLSPublicKey = bLSPublicKeys[i];
     arr.push(Buffer.from(web3.utils.hexToBytes(validator.consensusAddr)));
+    arr.push(Buffer.from(web3.utils.hexToBytes(BLSPublicKey)));
   }
   return Buffer.concat(arr);
 }
 
-function validatorUpdateRlpEncode(validators) {
+function validatorUpdateRlpEncode(validators, bLSPublicKeys) {
   let n = validators.length;
   let vals = [];
   for (let i = 0;i<n;i++) {
@@ -39,14 +46,15 @@ function validatorUpdateRlpEncode(validators) {
       validators[i].bscFeeAddr,
       validators[i].feeAddr,
       validators[i].votingPower,
+      bLSPublicKeys[i]
     ]);
   }
   let pkg = [0x00, vals];
   return web3.utils.bytesToHex(RLP.encode(pkg));
 }
 
-extraValidatorBytes = generateExtradata(validators);
-validatorSetBytes = validatorUpdateRlpEncode(validators);
+extraValidatorBytes = generateExtradata(validators, bLSPublicKeys);
+validatorSetBytes = validatorUpdateRlpEncode(validators, bLSPublicKeys);
 
 exports = module.exports = {
   extraValidatorBytes: extraValidatorBytes,