feat: add Lisk Sepolia definition (#1872)

* Add Lisk Sepolia definition

* Add contract info

* Add changeset

.changeset/weak-pears-shave.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Lisk Sepolia

src/chains/definitions/liskSepolia.ts

@@ -0,0 +1,47 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+import { chainConfig } from '../opStack/chainConfig.js'
+
+const sourceId = 11_155_111 // sepolia
+
+export const liskSepolia = /*#__PURE__*/ defineChain({
+  ...chainConfig,
+  id: 4202,
+  network: 'lisk-sepolia',
+  name: 'Lisk Sepolia',
+  nativeCurrency: { name: 'Sepolia Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.sepolia-api.lisk.com'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Blockscout',
+      url: 'https://sepolia-blockscout.lisk.com',
+      apiUrl: 'https://sepolia-blockscout.lisk.com/api',
+    },
+  },
+  contracts: {
+    ...chainConfig.contracts,
+    l2OutputOracle: {
+        [sourceId]: {
+          address: '0xA0E35F56C318DE1bD5D9ca6A94Fe7e37C5663348',
+        },
+      },
+      multicall3: {
+        address: '0xca11bde05977b3631167028862be2a173976ca11',
+      },
+      portal: {
+        [sourceId]: {
+          address: '0xe3d90F21490686Ec7eF37BE788E02dfC12787264',
+        },
+      },
+      l1StandardBridge: {
+        [sourceId]: {
+          address: '0x1Fb30e446eA791cd1f011675E5F3f5311b70faF5',
+        },
+      },
+  },
+  testnet: true,
+  sourceId,
+})

src/chains/index.ts

@@ -98,6 +98,7 @@ export { lightlinkPegasus } from './definitions/lightlinkPegasus.js'
 export { lightlinkPhoenix } from './definitions/lightlinkPhoenix.js'
 export { linea } from './definitions/linea.js'
 export { lineaTestnet } from './definitions/lineaTestnet.js'
+export { liskSepolia } from './definitions/liskSepolia.js'
 export { localhost } from './definitions/localhost.js'
 export { lukso } from './definitions/lukso.js'
 export { mainnet } from './definitions/mainnet.js'