diff --git a/package-lock.json b/package-lock.json
index b65910e..31560ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,3316 +1,5 @@
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-            "websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"
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-      "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
-    },
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-      "requires": {
-        "buffer-crc32": "~0.2.3",
-        "fd-slicer": "~1.1.0"
-      }
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-  }
+  "version": "0.24",
+  "lockfileVersion": 1
 }
diff --git a/yarn.lock b/yarn.lock
index f4a1eed..0b309c6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,254 @@
 # yarn lockfile v1
 
 
+"@ethereumjs/common@^2.3.0", "@ethereumjs/common@^2.4.0":
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/common/-/common-2.4.0.tgz#2d67f6e6ba22246c5c89104e6b9a119fb3039766"
+  dependencies:
+    crc-32 "^1.2.0"
+    ethereumjs-util "^7.1.0"
+
+"@ethereumjs/tx@^3.2.1":
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/tx/-/tx-3.3.0.tgz#14ed1b7fa0f28e1cd61e3ecbdab824205f6a4378"
+  dependencies:
+    "@ethereumjs/common" "^2.4.0"
+    ethereumjs-util "^7.1.0"
+
+"@ethersproject/abi@5.0.7":
+  version "5.0.7"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.0.7.tgz#79e52452bd3ca2956d0e1c964207a58ad1a0ee7b"
+  dependencies:
+    "@ethersproject/address" "^5.0.4"
+    "@ethersproject/bignumber" "^5.0.7"
+    "@ethersproject/bytes" "^5.0.4"
+    "@ethersproject/constants" "^5.0.4"
+    "@ethersproject/hash" "^5.0.4"
+    "@ethersproject/keccak256" "^5.0.3"
+    "@ethersproject/logger" "^5.0.5"
+    "@ethersproject/properties" "^5.0.3"
+    "@ethersproject/strings" "^5.0.4"
+
+"@ethersproject/abstract-provider@^5.4.0":
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.4.1.tgz#e404309a29f771bd4d28dbafadcaa184668c2a6e"
+  dependencies:
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/networks" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/transactions" "^5.4.0"
+    "@ethersproject/web" "^5.4.0"
+
+"@ethersproject/abstract-signer@^5.4.0":
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.4.1.tgz#e4e9abcf4dd4f1ba0db7dff9746a5f78f355ea81"
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.4.0"
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+
+"@ethersproject/address@^5.0.4", "@ethersproject/address@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.4.0.tgz#ba2d00a0f8c4c0854933b963b9a3a9f6eb4a37a3"
+  dependencies:
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/keccak256" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/rlp" "^5.4.0"
+
+"@ethersproject/base64@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.4.0.tgz#7252bf65295954c9048c7ca5f43e5c86441b2a9a"
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+
+"@ethersproject/bignumber@^5.0.7", "@ethersproject/bignumber@^5.4.0":
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.4.1.tgz#64399d3b9ae80aa83d483e550ba57ea062c1042d"
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    bn.js "^4.11.9"
+
+"@ethersproject/bytes@^5.0.4", "@ethersproject/bytes@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.4.0.tgz#56fa32ce3bf67153756dbaefda921d1d4774404e"
+  dependencies:
+    "@ethersproject/logger" "^5.4.0"
+
+"@ethersproject/constants@^5.0.4", "@ethersproject/constants@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.4.0.tgz#ee0bdcb30bf1b532d2353c977bf2ef1ee117958a"
+  dependencies:
+    "@ethersproject/bignumber" "^5.4.0"
+
+"@ethersproject/hash@^5.0.4":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.4.0.tgz#d18a8e927e828e22860a011f39e429d388344ae0"
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.4.0"
+    "@ethersproject/address" "^5.4.0"
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/keccak256" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/strings" "^5.4.0"
+
+"@ethersproject/keccak256@^5.0.3", "@ethersproject/keccak256@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.4.0.tgz#7143b8eea4976080241d2bd92e3b1f1bf7025318"
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    js-sha3 "0.5.7"
+
+"@ethersproject/logger@^5.0.5", "@ethersproject/logger@^5.4.0":
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.4.1.tgz#503bd33683538b923c578c07d1c2c0dd18672054"
+
+"@ethersproject/networks@^5.4.0":
+  version "5.4.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.4.2.tgz#2247d977626e97e2c3b8ee73cd2457babde0ce35"
+  dependencies:
+    "@ethersproject/logger" "^5.4.0"
+
+"@ethersproject/properties@^5.0.3", "@ethersproject/properties@^5.4.0":
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.4.1.tgz#9f051f976ce790142c6261ccb7b826eaae1f2f36"
+  dependencies:
+    "@ethersproject/logger" "^5.4.0"
+
+"@ethersproject/rlp@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.4.0.tgz#de61afda5ff979454e76d3b3310a6c32ad060931"
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+
+"@ethersproject/signing-key@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.4.0.tgz#2f05120984e81cf89a3d5f6dec5c68ee0894fbec"
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    bn.js "^4.11.9"
+    elliptic "6.5.4"
+    hash.js "1.1.7"
+
+"@ethersproject/strings@^5.0.4", "@ethersproject/strings@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.4.0.tgz#fb12270132dd84b02906a8d895ae7e7fa3d07d9a"
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/constants" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+
+"@ethersproject/transactions@^5.0.0-beta.135", "@ethersproject/transactions@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.4.0.tgz#a159d035179334bd92f340ce0f77e83e9e1522e0"
+  dependencies:
+    "@ethersproject/address" "^5.4.0"
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/constants" "^5.4.0"
+    "@ethersproject/keccak256" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/rlp" "^5.4.0"
+    "@ethersproject/signing-key" "^5.4.0"
+
+"@ethersproject/web@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.4.0.tgz#49fac173b96992334ed36a175538ba07a7413d1f"
+  dependencies:
+    "@ethersproject/base64" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/strings" "^5.4.0"
+
+"@resolver-engine/core@^0.2.1":
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/@resolver-engine/core/-/core-0.2.1.tgz#0d71803f6d3b8cb2e9ed481a1bf0ca5f5256d0c0"
+  dependencies:
+    debug "^3.1.0"
+    request "^2.85.0"
+
+"@resolver-engine/fs@^0.2.1":
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/@resolver-engine/fs/-/fs-0.2.1.tgz#f98a308d77568cc02651d03636f46536b941b241"
+  dependencies:
+    "@resolver-engine/core" "^0.2.1"
+    debug "^3.1.0"
+
+"@resolver-engine/imports-fs@^0.2.2":
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/@resolver-engine/imports-fs/-/imports-fs-0.2.2.tgz#5a81ef3285dbf0411ab3b15205080a1ad7622d9e"
+  dependencies:
+    "@resolver-engine/fs" "^0.2.1"
+    "@resolver-engine/imports" "^0.2.2"
+    debug "^3.1.0"
+
+"@resolver-engine/imports@^0.2.2":
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/@resolver-engine/imports/-/imports-0.2.2.tgz#d3de55a1bb5f3beb7703fdde743298f321175843"
+  dependencies:
+    "@resolver-engine/core" "^0.2.1"
+    debug "^3.1.0"
+    hosted-git-info "^2.6.0"
+
+"@sindresorhus/is@^0.14.0":
+  version "0.14.0"
+  resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
+
+"@solidity-parser/parser@^0.8.0":
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.8.2.tgz#a6a5e93ac8dca6884a99a532f133beba59b87b69"
+
+"@szmarczak/http-timer@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@szmarczak/http-timer/-/http-timer-1.1.2.tgz#b1665e2c461a2cd92f4c1bbf50d5454de0d4b421"
+  dependencies:
+    defer-to-connect "^1.0.1"
+
+"@types/bn.js@^4.11.5":
+  version "4.11.6"
+  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.6.tgz#c306c70d9358aaea33cd4eda092a742b9505967c"
+  dependencies:
+    "@types/node" "*"
+
+"@types/bn.js@^5.1.0":
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-5.1.0.tgz#32c5d271503a12653c62cf4d2b45e6eab8cebc68"
+  dependencies:
+    "@types/node" "*"
+
+"@types/node@*":
+  version "16.7.10"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.7.10.tgz#7aa732cc47341c12a16b7d562f519c2383b6d4fc"
+
+"@types/node@^12.12.6":
+  version "12.20.23"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.23.tgz#d0d5885bb885ee9b1ed114a04ea586540a1b2e2a"
+
+"@types/pbkdf2@^3.0.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/pbkdf2/-/pbkdf2-3.1.0.tgz#039a0e9b67da0cdc4ee5dab865caa6b267bb66b1"
+  dependencies:
+    "@types/node" "*"
+
+"@types/secp256k1@^4.0.1":
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/@types/secp256k1/-/secp256k1-4.0.3.tgz#1b8e55d8e00f08ee7220b4d59a6abe89c37a901c"
+  dependencies:
+    "@types/node" "*"
+
 accepts@~1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.4.tgz#86246758c7dd6d21a6474ff084a4740ec05eb21f"
@@ -9,6 +257,10 @@ accepts@~1.3.4:
     mime-types "~2.1.16"
     negotiator "0.6.1"
 
+aes-js@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.0.0.tgz#e21df10ad6c2053295bcbb8dab40b09dbea87e4d"
+
 ajv@^5.1.0:
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
@@ -18,9 +270,14 @@ ajv@^5.1.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
-any-promise@^1.0.0, any-promise@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
+ajv@^6.12.3:
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
 
 array-flatten@1.1.1:
   version "1.1.1"
@@ -58,6 +315,10 @@ asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
+available-typed-arrays@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz#92f95616501069d07d10edb2fc37d3e1c65123b7"
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
@@ -66,24 +327,34 @@ aws4@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
-balanced-match@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+aws4@^1.8.0:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
 
-base64-js@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-0.0.8.tgz#1101e9544f4a76b1bc3b26d452ca96d7a35e7978"
+base-x@^3.0.2, base-x@^3.0.8:
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.8.tgz#1e1106c2537f0162e8b52474a557ebb09000018d"
+  dependencies:
+    safe-buffer "^5.0.1"
 
 base64-js@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.1.tgz#a91947da1f4a516ea38e5b4ec0ec3773675e0886"
 
+base64-js@^1.3.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
   dependencies:
     tweetnacl "^0.14.3"
 
+bignumber.js@^9.0.0:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.1.tgz#8d7ba124c882bfd8e43260c67475518d0689e4e5"
+
 bindings@^1.2.1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.3.0.tgz#b346f6ecf6a95f5a815c5839fc7cdb22502f1ed7"
@@ -94,25 +365,9 @@ bip66@^1.1.3:
   dependencies:
     safe-buffer "^5.0.1"
 
-bl@^1.0.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.1.tgz#cac328f7bee45730d404b692203fcb590e172d5e"
-  dependencies:
-    readable-stream "^2.0.5"
-
-block-stream@*:
-  version "0.0.9"
-  resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
-  dependencies:
-    inherits "~2.0.0"
-
-bluebird@3.3.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.3.1.tgz#f97ae1970f41d85177283053e9a120160e66c61d"
-
-bluebird@^2.9.34:
-  version "2.11.0"
-  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
+blakejs@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/blakejs/-/blakejs-1.1.1.tgz#bf313053978b2cd4c444a48795710be05c785702"
 
 bluebird@^3.1.1, bluebird@^3.5.0:
   version "3.5.1"
@@ -126,6 +381,14 @@ bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.10.0, bn.js@^4.11.0, bn.js@^4
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
 
+bn.js@^4.11.1, bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+
+bn.js@^5.1.2:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.0.tgz#358860674396c6997771a9d051fcc1b57d4ae002"
+
 body-parser@1.18.2, body-parser@^1.16.0:
   version "1.18.2"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
@@ -153,14 +416,7 @@ boom@5.x.x:
   dependencies:
     hoek "4.x.x"
 
-brace-expansion@^1.1.7:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
-  dependencies:
-    balanced-match "^1.0.0"
-    concat-map "0.0.1"
-
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
@@ -175,6 +431,17 @@ browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+browserify-aes@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
+  dependencies:
+    buffer-xor "^1.0.3"
+    cipher-base "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.3"
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
 browserify-cipher@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/browserify-cipher/-/browserify-cipher-1.0.0.tgz#9988244874bf5ed4e28da95666dcd66ac8fc363a"
@@ -216,9 +483,19 @@ browserify-sign@^4.0.0:
     inherits "^2.0.1"
     parse-asn1 "^5.0.0"
 
-buffer-crc32@~0.2.3:
-  version "0.2.13"
-  resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
+bs58@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
+  dependencies:
+    base-x "^3.0.2"
+
+bs58check@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/bs58check/-/bs58check-2.1.2.tgz#53b018291228d82a5aa08e7d796fdafda54aebfc"
+  dependencies:
+    bs58 "^4.0.0"
+    create-hash "^1.1.0"
+    safe-buffer "^5.1.2"
 
 buffer-to-arraybuffer@0.0.2:
   version "0.0.2"
@@ -230,14 +507,6 @@ buffer-xor@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
 
-buffer@^3.0.1:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
-  dependencies:
-    base64-js "0.0.8"
-    ieee754 "^1.1.4"
-    isarray "^1.0.0"
-
 buffer@^5.0.5:
   version "5.0.8"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.0.8.tgz#84daa52e7cf2fa8ce4195bc5cf0f7809e0930b24"
@@ -245,14 +514,60 @@ buffer@^5.0.5:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@^5.5.0, buffer@^5.6.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.1.tgz#ba62e7c13133053582197160851a8f648e99eed0"
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.1.13"
+
+bufferutil@^4.0.1:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/bufferutil/-/bufferutil-4.0.3.tgz#66724b756bed23cd7c28c4d306d7994f9943cc6b"
+  dependencies:
+    node-gyp-build "^4.2.0"
+
 bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
 
+cacheable-request@^6.0.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/cacheable-request/-/cacheable-request-6.1.0.tgz#20ffb8bd162ba4be11e9567d823db651052ca912"
+  dependencies:
+    clone-response "^1.0.2"
+    get-stream "^5.1.0"
+    http-cache-semantics "^4.0.0"
+    keyv "^3.0.0"
+    lowercase-keys "^2.0.0"
+    normalize-url "^4.1.0"
+    responselike "^1.0.2"
+
+call-bind@^1.0.0, call-bind@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
 
+chownr@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
+
+cids@^0.7.1:
+  version "0.7.5"
+  resolved "https://registry.yarnpkg.com/cids/-/cids-0.7.5.tgz#60a08138a99bfb69b6be4ceb63bfef7a396b28b2"
+  dependencies:
+    buffer "^5.5.0"
+    class-is "^1.1.0"
+    multibase "~0.6.0"
+    multicodec "^1.0.0"
+    multihashes "~0.4.15"
+
 cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
@@ -260,6 +575,16 @@ cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+class-is@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/class-is/-/class-is-1.1.0.tgz#9d3c0fba0440d211d843cec3dedfa48055005825"
+
+clone-response@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz#d1dc973920314df67fbeb94223b4ee350239e96b"
+  dependencies:
+    mimic-response "^1.0.0"
+
 co@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
@@ -270,24 +595,24 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.8.1:
-  version "2.13.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
-
-commander@~2.8.1:
-  version "2.8.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
+combined-stream@^1.0.6, combined-stream@~1.0.6:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
   dependencies:
-    graceful-readlink ">= 1.0.0"
-
-concat-map@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+    delayed-stream "~1.0.0"
 
 content-disposition@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
 
+content-hash@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/content-hash/-/content-hash-2.5.2.tgz#bbc2655e7c21f14fd3bfc7b7d4bfe6e454c9e211"
+  dependencies:
+    cids "^0.7.1"
+    multicodec "^0.5.5"
+    multihashes "^0.4.15"
+
 content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
@@ -300,7 +625,11 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
-core-util-is@1.0.2, core-util-is@~1.0.0:
+cookiejar@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.2.tgz#dd8a235530752f988f9a0844f3fc589e3111125c"
+
+core-util-is@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
@@ -311,6 +640,13 @@ cors@^2.8.1:
     object-assign "^4"
     vary "^1"
 
+crc-32@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/crc-32/-/crc-32-1.2.0.tgz#cb2db6e29b88508e32d9dd0ec1693e7b41a18208"
+  dependencies:
+    exit-on-epipe "~1.0.1"
+    printj "~1.1.0"
+
 create-ecdh@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.0.tgz#888c723596cdf7612f6498233eebd7a35301737d"
@@ -327,6 +663,16 @@ create-hash@^1.1.0, create-hash@^1.1.2:
     ripemd160 "^2.0.0"
     sha.js "^2.4.0"
 
+create-hash@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
+  dependencies:
+    cipher-base "^1.0.1"
+    inherits "^2.0.1"
+    md5.js "^1.3.4"
+    ripemd160 "^2.0.1"
+    sha.js "^2.4.0"
+
 create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.6.tgz#acb9e221a4e17bdb076e90657c42b93e3726cf06"
@@ -338,13 +684,24 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
+create-hmac@^1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
+  dependencies:
+    cipher-base "^1.0.3"
+    create-hash "^1.1.0"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
 cryptiles@3.x.x:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-3.1.2.tgz#a89fbb220f5ce25ec56e8c4aa8a4fd7b5b0d29fe"
   dependencies:
     boom "5.x.x"
 
-crypto-browserify@^3.12.0:
+crypto-browserify@3.12.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
   dependencies:
@@ -360,6 +717,13 @@ crypto-browserify@^3.12.0:
     randombytes "^2.0.0"
     randomfill "^1.0.3"
 
+d@1, d@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
+  dependencies:
+    es5-ext "^0.10.50"
+    type "^1.0.1"
+
 dashdash@^1.12.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
@@ -372,64 +736,32 @@ debug@2.6.9, debug@^2.2.0:
   dependencies:
     ms "2.0.0"
 
-decompress-response@^3.2.0:
+debug@^3.1.0:
+  version "3.2.7"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.7.tgz#72580b7e9145fb39b6676f9c5e5fb100b934179a"
+  dependencies:
+    ms "^2.1.1"
+
+decompress-response@^3.2.0, decompress-response@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-3.3.0.tgz#80a4dd323748384bfa248083622aedec982adff3"
   dependencies:
     mimic-response "^1.0.0"
 
-decompress-tar@^4.0.0, decompress-tar@^4.1.0, decompress-tar@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/decompress-tar/-/decompress-tar-4.1.1.tgz#718cbd3fcb16209716e70a26b84e7ba4592e5af1"
-  dependencies:
-    file-type "^5.2.0"
-    is-stream "^1.1.0"
-    tar-stream "^1.5.2"
-
-decompress-tarbz2@^4.0.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/decompress-tarbz2/-/decompress-tarbz2-4.1.1.tgz#3082a5b880ea4043816349f378b56c516be1a39b"
-  dependencies:
-    decompress-tar "^4.1.0"
-    file-type "^6.1.0"
-    is-stream "^1.1.0"
-    seek-bzip "^1.0.5"
-    unbzip2-stream "^1.0.9"
-
-decompress-targz@^4.0.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/decompress-targz/-/decompress-targz-4.1.1.tgz#c09bc35c4d11f3de09f2d2da53e9de23e7ce1eee"
-  dependencies:
-    decompress-tar "^4.1.1"
-    file-type "^5.2.0"
-    is-stream "^1.1.0"
-
-decompress-unzip@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/decompress-unzip/-/decompress-unzip-4.0.1.tgz#deaaccdfd14aeaf85578f733ae8210f9b4848f69"
-  dependencies:
-    file-type "^3.8.0"
-    get-stream "^2.2.0"
-    pify "^2.3.0"
-    yauzl "^2.4.2"
-
-decompress@^4.0.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/decompress/-/decompress-4.2.0.tgz#7aedd85427e5a92dacfe55674a7c505e96d01f9d"
-  dependencies:
-    decompress-tar "^4.0.0"
-    decompress-tarbz2 "^4.0.0"
-    decompress-targz "^4.0.0"
-    decompress-unzip "^4.0.1"
-    graceful-fs "^4.1.10"
-    make-dir "^1.0.0"
-    pify "^2.3.0"
-    strip-dirs "^2.0.0"
-
 deep-equal@~0.2.0:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-0.2.2.tgz#84b745896f34c684e98f2ce0e42abaf43bba017d"
 
+defer-to-connect@^1.0.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-1.1.3.tgz#331ae050c08dcf789f8c83a7b81f0ed94f4ac591"
+
+define-properties@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  dependencies:
+    object-keys "^1.0.12"
+
 defined@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-0.0.0.tgz#f35eea7d705e933baf13b2f03b3f83d921403b3e"
@@ -491,6 +823,18 @@ ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
+elliptic@6.5.4, elliptic@^6.5.2:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  dependencies:
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
+
 elliptic@^6.0.0, elliptic@^6.2.3, elliptic@^6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
@@ -507,12 +851,65 @@ encodeurl@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"
 
-end-of-stream@^1.0.0:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
+end-of-stream@^1.1.0:
+  version "1.4.4"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
   dependencies:
     once "^1.4.0"
 
+es-abstract@^1.18.5:
+  version "1.18.5"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.18.5.tgz#9b10de7d4c206a3581fd5b2124233e04db49ae19"
+  dependencies:
+    call-bind "^1.0.2"
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    get-intrinsic "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.2"
+    internal-slot "^1.0.3"
+    is-callable "^1.2.3"
+    is-negative-zero "^2.0.1"
+    is-regex "^1.1.3"
+    is-string "^1.0.6"
+    object-inspect "^1.11.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.2"
+    string.prototype.trimend "^1.0.4"
+    string.prototype.trimstart "^1.0.4"
+    unbox-primitive "^1.0.1"
+
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  dependencies:
+    is-callable "^1.1.4"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.2"
+
+es5-ext@^0.10.35, es5-ext@^0.10.50:
+  version "0.10.53"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.53.tgz#93c5a3acfdbef275220ad72644ad02ee18368de1"
+  dependencies:
+    es6-iterator "~2.0.3"
+    es6-symbol "~3.1.3"
+    next-tick "~1.0.0"
+
+es6-iterator@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
+  dependencies:
+    d "1"
+    es5-ext "^0.10.35"
+    es6-symbol "^3.1.1"
+
+es6-symbol@^3.1.1, es6-symbol@~3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
+  dependencies:
+    d "^1.0.1"
+    ext "^1.1.2"
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -521,15 +918,22 @@ etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
 
-eth-lib@0.2.5:
-  version "0.2.5"
-  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.5.tgz#cb61513afd842328cf367fa3ada76f314837e8c1"
+eth-ens-namehash@2.0.8:
+  version "2.0.8"
+  resolved "https://registry.yarnpkg.com/eth-ens-namehash/-/eth-ens-namehash-2.0.8.tgz#229ac46eca86d52e0c991e7cb2aef83ff0f68bcf"
+  dependencies:
+    idna-uts46-hx "^2.3.1"
+    js-sha3 "^0.5.7"
+
+eth-lib@0.2.8:
+  version "0.2.8"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.8.tgz#b194058bef4b220ad12ea497431d6cb6aa0623c8"
   dependencies:
     bn.js "^4.11.6"
     elliptic "^6.4.0"
     xhr-request-promise "^0.1.2"
 
-eth-lib@^0.1.26, eth-lib@^0.1.27:
+eth-lib@^0.1.26:
   version "0.1.27"
   resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.1.27.tgz#f0b0fd144f865d2d6bf8257a40004f2e75ca1dd6"
   dependencies:
@@ -548,18 +952,37 @@ eth-sig-util@^1.4.2:
     ethereumjs-abi "git+https://github.com/ethereumjs/ethereumjs-abi.git"
     ethereumjs-util "^5.1.1"
 
+ethereum-bloom-filters@^1.0.6:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.10.tgz#3ca07f4aed698e75bd134584850260246a5fed8a"
+  dependencies:
+    js-sha3 "^0.8.0"
+
 ethereum-common@^0.0.18:
   version "0.0.18"
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
 
-ethereumjs-abi@^0.6.5:
-  version "0.6.5"
-  resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.5.tgz#5a637ef16ab43473fa72a29ad90871405b3f5241"
-  dependencies:
-    bn.js "^4.10.0"
-    ethereumjs-util "^4.3.0"
+ethereum-cryptography@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz#8d6143cfc3d74bf79bbd8edecdf29e4ae20dd191"
+  dependencies:
+    "@types/pbkdf2" "^3.0.0"
+    "@types/secp256k1" "^4.0.1"
+    blakejs "^1.1.0"
+    browserify-aes "^1.2.0"
+    bs58check "^2.1.2"
+    create-hash "^1.2.0"
+    create-hmac "^1.1.7"
+    hash.js "^1.1.7"
+    keccak "^3.0.0"
+    pbkdf2 "^3.0.17"
+    randombytes "^2.1.0"
+    safe-buffer "^5.1.2"
+    scrypt-js "^3.0.0"
+    secp256k1 "^4.0.1"
+    setimmediate "^1.0.5"
 
-"ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
+ethereumjs-abi@^0.6.5, "ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
   version "0.6.5"
   resolved "git+https://github.com/ethereumjs/ethereumjs-abi.git#4ea2fdfed09e8f99117d9362d17c6b01b64a2bcf"
   dependencies:
@@ -573,17 +996,7 @@ ethereumjs-tx@^1.3.3:
     ethereum-common "^0.0.18"
     ethereumjs-util "^5.0.0"
 
-ethereumjs-util@^4.3.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz#3e9428b317eebda3d7260d854fddda954b1f1bc6"
-  dependencies:
-    bn.js "^4.8.0"
-    create-hash "^1.1.2"
-    keccakjs "^0.2.0"
-    rlp "^2.0.0"
-    secp256k1 "^3.0.1"
-
-ethereumjs-util@^5.0.0, ethereumjs-util@^5.1.3:
+ethereumjs-util@^5.0.0:
   version "5.1.3"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-5.1.3.tgz#0c1f6efb1da9c5b6720a65697859fc0be6672df0"
   dependencies:
@@ -607,6 +1020,43 @@ ethereumjs-util@^5.1.1:
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
+ethereumjs-util@^5.2.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz#a833f0e5fca7e5b361384dc76301a721f537bf65"
+  dependencies:
+    bn.js "^4.11.0"
+    create-hash "^1.1.2"
+    elliptic "^6.5.2"
+    ethereum-cryptography "^0.1.3"
+    ethjs-util "^0.1.3"
+    rlp "^2.0.0"
+    safe-buffer "^5.1.1"
+
+ethereumjs-util@^7.0.10, ethereumjs-util@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-7.1.0.tgz#e2b43a30bfcdbcb432a4eb42bd5f2393209b3fd5"
+  dependencies:
+    "@types/bn.js" "^5.1.0"
+    bn.js "^5.1.2"
+    create-hash "^1.1.2"
+    ethereum-cryptography "^0.1.3"
+    ethjs-util "0.1.6"
+    rlp "^2.2.4"
+
+ethers@^4.0.7:
+  version "4.0.49"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.49.tgz#0eb0e9161a0c8b4761be547396bbe2fb121a8894"
+  dependencies:
+    aes-js "3.0.0"
+    bn.js "^4.11.9"
+    elliptic "6.5.4"
+    hash.js "1.1.3"
+    js-sha3 "0.5.7"
+    scrypt-js "2.0.4"
+    setimmediate "1.0.4"
+    uuid "2.0.1"
+    xmlhttprequest "1.8.0"
+
 ethjs-unit@0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"
@@ -614,6 +1064,13 @@ ethjs-unit@0.1.6:
     bn.js "4.11.6"
     number-to-bn "1.7.0"
 
+ethjs-util@0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/ethjs-util/-/ethjs-util-0.1.6.tgz#f308b62f185f9fe6237132fb2a9818866a5cd536"
+  dependencies:
+    is-hex-prefixed "1.0.0"
+    strip-hex-prefix "1.0.0"
+
 ethjs-util@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/ethjs-util/-/ethjs-util-0.1.4.tgz#1c8b6879257444ef4d3f3fbbac2ded12cd997d93"
@@ -621,9 +1078,9 @@ ethjs-util@^0.1.3:
     is-hex-prefixed "1.0.0"
     strip-hex-prefix "1.0.0"
 
-eventemitter3@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.1.1.tgz#47786bdaa087caf7b1b75e73abc5c7d540158cd0"
+eventemitter3@4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.4.tgz#b5463ace635a083d018bdc7c917b4c5f10a85384"
 
 evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
   version "1.0.3"
@@ -632,6 +1089,10 @@ evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
     md5.js "^1.3.4"
     safe-buffer "^5.1.1"
 
+exit-on-epipe@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/exit-on-epipe/-/exit-on-epipe-1.0.1.tgz#0bdd92e87d5285d267daa8171d0eb06159689692"
+
 express@^4.14.0:
   version "4.16.2"
   resolved "https://registry.yarnpkg.com/express/-/express-4.16.2.tgz#e35c6dfe2d64b7dca0a5cd4f21781be3299e076c"
@@ -667,10 +1128,20 @@ express@^4.14.0:
     utils-merge "1.0.1"
     vary "~1.1.2"
 
+ext@^1.1.2:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/ext/-/ext-1.5.0.tgz#e93b97ae0cb23f8370380f6107d2d2b7887687ad"
+  dependencies:
+    type "^2.5.0"
+
 extend@~3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
+extend@~3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
+
 extsprintf@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
@@ -683,32 +1154,18 @@ fast-deep-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
 
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
 
-fd-slicer@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
-  dependencies:
-    pend "~1.2.0"
-
 fibers@^1.0.8:
   version "1.0.15"
   resolved "https://registry.yarnpkg.com/fibers/-/fibers-1.0.15.tgz#22f039c8f18b856190fbbe4decf056154c1eae9c"
 
-file-type@^3.8.0:
-  version "3.9.0"
-  resolved "https://registry.yarnpkg.com/file-type/-/file-type-3.9.0.tgz#257a078384d1db8087bc449d107d52a52672b9e9"
-
-file-type@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/file-type/-/file-type-5.2.0.tgz#2ddbea7c73ffe36368dfae49dc338c058c2b8ad6"
-
-file-type@^6.1.0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/file-type/-/file-type-6.2.0.tgz#e50cd75d356ffed4e306dc4f5bcf52a79903a919"
-
 finalhandler@1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.0.tgz#ce0b6855b45853e791b2fcc680046d88253dd7f5"
@@ -721,12 +1178,22 @@ finalhandler@1.1.0:
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
+find-up@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
+  dependencies:
+    locate-path "^2.0.0"
+
 for-each@^0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.2.tgz#2c40450b9348e97f281322593ba96704b9abd4d4"
   dependencies:
     is-function "~1.0.0"
 
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -739,6 +1206,14 @@ form-data@~2.3.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
+form-data@~2.3.2:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz#dcce52c05f644f298c6a7ab936bd724ceffbf3a6"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.6"
+    mime-types "^2.1.12"
+
 forwarded@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
@@ -747,63 +1222,54 @@ fresh@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
 
-fs-extra@^2.0.0, fs-extra@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-2.1.2.tgz#046c70163cef9aad46b0e4a7fa467fb22d71de35"
+fs-extra@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
   dependencies:
     graceful-fs "^4.1.2"
-    jsonfile "^2.1.0"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
 
-fs-promise@^2.0.0:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/fs-promise/-/fs-promise-2.0.3.tgz#f64e4f854bcf689aa8bddcba268916db3db46854"
+fs-minipass@^1.2.7:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
   dependencies:
-    any-promise "^1.3.0"
-    fs-extra "^2.0.0"
-    mz "^2.6.0"
-    thenify-all "^1.6.0"
-
-fs.realpath@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+    minipass "^2.6.0"
 
-fstream@^1.0.2, fstream@^1.0.8:
-  version "1.0.11"
-  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
-  dependencies:
-    graceful-fs "^4.1.2"
-    inherits "~2.0.0"
-    mkdirp ">=0.5 0"
-    rimraf "2"
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
-get-stream@^2.2.0:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
+get-intrinsic@^1.0.2, get-intrinsic@^1.1.0, get-intrinsic@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
   dependencies:
-    object-assign "^4.0.1"
-    pinkie-promise "^2.0.0"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
 
 get-stream@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
 
+get-stream@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-4.1.0.tgz#c1b255575f3dc21d59bfc79cd3d2b46b1c3a54b5"
+  dependencies:
+    pump "^3.0.0"
+
+get-stream@^5.1.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-5.2.0.tgz#4966a1795ee5ace65e706c4b7beb71257d6e22d3"
+  dependencies:
+    pump "^3.0.0"
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
   dependencies:
     assert-plus "^1.0.0"
 
-glob@^7.0.5:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.4"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
 glob@~3.2.9:
   version "3.2.11"
   resolved "https://registry.yarnpkg.com/glob/-/glob-3.2.11.tgz#4a973f635b9190f715d10987d5c00fd2815ebe3d"
@@ -818,7 +1284,23 @@ global@~4.3.0:
     min-document "^2.19.0"
     process "~0.5.1"
 
-got@7.1.0, got@^7.1.0:
+got@9.6.0:
+  version "9.6.0"
+  resolved "https://registry.yarnpkg.com/got/-/got-9.6.0.tgz#edf45e7d67f99545705de1f7bbeeeb121765ed85"
+  dependencies:
+    "@sindresorhus/is" "^0.14.0"
+    "@szmarczak/http-timer" "^1.1.2"
+    cacheable-request "^6.0.0"
+    decompress-response "^3.3.0"
+    duplexer3 "^0.1.4"
+    get-stream "^4.1.0"
+    lowercase-keys "^1.0.1"
+    mimic-response "^1.0.1"
+    p-cancelable "^1.0.0"
+    to-readable-stream "^1.0.0"
+    url-parse-lax "^3.0.0"
+
+got@^7.1.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz#05450fd84094e6bbea56f451a43a9c289166385a"
   dependencies:
@@ -837,14 +1319,10 @@ got@7.1.0, got@^7.1.0:
     url-parse-lax "^1.0.0"
     url-to-options "^1.0.1"
 
-graceful-fs@^4.1.10, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
+graceful-fs@^4.1.2, graceful-fs@^4.1.6:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
-"graceful-readlink@>= 1.0.0":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
-
 har-schema@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
@@ -856,16 +1334,43 @@ har-validator@~5.0.3:
     ajv "^5.1.0"
     har-schema "^2.0.0"
 
+har-validator@~5.1.3:
+  version "5.1.5"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.5.tgz#1f0803b9f8cb20c0fa13822df1ecddb36bde1efd"
+  dependencies:
+    ajv "^6.12.3"
+    har-schema "^2.0.0"
+
+has-bigints@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-bigints/-/has-bigints-1.0.1.tgz#64fe6acb020673e3b78db035a5af69aa9d07b113"
+
 has-symbol-support-x@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/has-symbol-support-x/-/has-symbol-support-x-1.4.1.tgz#66ec2e377e0c7d7ccedb07a3a84d77510ff1bc4c"
 
+has-symbols@^1.0.1, has-symbols@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.2.tgz#165d3070c00309752a1236a479331e3ac56f1423"
+
 has-to-string-tag-x@^1.2.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/has-to-string-tag-x/-/has-to-string-tag-x-1.4.1.tgz#a045ab383d7b4b2012a00148ab0aa5f290044d4d"
   dependencies:
     has-symbol-support-x "^1.4.1"
 
+has-tostringtag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-tostringtag/-/has-tostringtag-1.0.0.tgz#7e133818a7d394734f941e73c3d3f9291e658b25"
+  dependencies:
+    has-symbols "^1.0.2"
+
+has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  dependencies:
+    function-bind "^1.1.1"
+
 hash-base@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-2.0.2.tgz#66ea1d856db4e8a5470cadf6fce23ae5244ef2e1"
@@ -879,13 +1384,20 @@ hash-base@^3.0.0:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-hash.js@^1.0.0, hash.js@^1.0.3:
+hash.js@1.1.3, hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.3.tgz#340dedbe6290187151c1ea1d777a3448935df846"
   dependencies:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.0"
 
+hash.js@1.1.7, hash.js@^1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.1"
+
 hawk@~6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/hawk/-/hawk-6.0.2.tgz#af4d914eb065f9b5ce4d9d11c1cb2126eecc3038"
@@ -895,7 +1407,7 @@ hawk@~6.0.2:
     hoek "4.x.x"
     sntp "2.x.x"
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.0, hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   dependencies:
@@ -907,6 +1419,14 @@ hoek@4.x.x:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.0.tgz#72d9d0754f7fe25ca2d01ad8f8f9a9449a89526d"
 
+hosted-git-info@^2.6.0:
+  version "2.8.9"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
+
+http-cache-semantics@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz#49e91c5cbf36c9b94bcfcd71c23d5249ec74e390"
+
 http-errors@1.6.2, http-errors@~1.6.2:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
@@ -932,36 +1452,93 @@ iconv-lite@0.4.19:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
+idna-uts46-hx@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/idna-uts46-hx/-/idna-uts46-hx-2.3.1.tgz#a1dc5c4df37eee522bf66d969cc980e00e8711f9"
+  dependencies:
+    punycode "2.1.0"
+
+ieee754@^1.1.13:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
+
 ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
 
-inflight@^1.0.4:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
-  dependencies:
-    once "^1.3.0"
-    wrappy "1"
-
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
+inherits@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+
+internal-slot@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/internal-slot/-/internal-slot-1.0.3.tgz#7347e307deeea2faac2ac6205d4bc7d34967f59c"
+  dependencies:
+    get-intrinsic "^1.1.0"
+    has "^1.0.3"
+    side-channel "^1.0.4"
+
 ipaddr.js@1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.5.2.tgz#d4b505bde9946987ccf0fc58d9010ff9607e3fa0"
 
+is-arguments@^1.0.4:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.1.1.tgz#15b3f88fda01f2a97fec84ca761a560f123efa9b"
+  dependencies:
+    call-bind "^1.0.2"
+    has-tostringtag "^1.0.0"
+
+is-bigint@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-bigint/-/is-bigint-1.0.4.tgz#08147a1875bc2b32005d41ccd8291dffc6691df3"
+  dependencies:
+    has-bigints "^1.0.1"
+
+is-boolean-object@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/is-boolean-object/-/is-boolean-object-1.1.2.tgz#5c6dc200246dd9321ae4b885a114bb1f75f63719"
+  dependencies:
+    call-bind "^1.0.2"
+    has-tostringtag "^1.0.0"
+
+is-callable@^1.1.4, is-callable@^1.2.3:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.4.tgz#47301d58dd0259407865547853df6d61fe471945"
+
+is-date-object@^1.0.1:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.5.tgz#0841d5536e724c25597bf6ea62e1bd38298df31f"
+  dependencies:
+    has-tostringtag "^1.0.0"
+
 is-function@^1.0.1, is-function@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-function/-/is-function-1.0.1.tgz#12cfb98b65b57dd3d193a3121f5f6e2f437602b5"
 
+is-generator-function@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.10.tgz#f1558baf1ac17e0deea7c0415c438351ff2b3c72"
+  dependencies:
+    has-tostringtag "^1.0.0"
+
 is-hex-prefixed@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-hex-prefixed/-/is-hex-prefixed-1.0.0.tgz#7d8d37e6ad77e5d127148913c573e082d777f554"
 
-is-natural-number@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
+is-negative-zero@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.1.tgz#3de746c18dda2319241a53675908d8f766f11c24"
+
+is-number-object@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/is-number-object/-/is-number-object-1.0.6.tgz#6a7aaf838c7f0686a50b4553f7e54a96494e89f0"
+  dependencies:
+    has-tostringtag "^1.0.0"
 
 is-object@^1.0.1:
   version "1.0.1"
@@ -971,22 +1548,47 @@ is-plain-obj@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
 
+is-regex@^1.1.3:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.4.tgz#eef5663cd59fa4c0ae339505323df6854bb15958"
+  dependencies:
+    call-bind "^1.0.2"
+    has-tostringtag "^1.0.0"
+
 is-retry-allowed@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
 
-is-stream@^1.0.0, is-stream@^1.1.0:
+is-stream@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
+is-string@^1.0.5, is-string@^1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.7.tgz#0dd12bf2006f255bb58f695110eff7491eebc0fd"
+  dependencies:
+    has-tostringtag "^1.0.0"
+
+is-symbol@^1.0.2, is-symbol@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.4.tgz#a6dac93b635b063ca6872236de88910a57af139c"
+  dependencies:
+    has-symbols "^1.0.2"
+
+is-typed-array@^1.1.3, is-typed-array@^1.1.7:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/is-typed-array/-/is-typed-array-1.1.8.tgz#cbaa6585dc7db43318bc5b89523ea384a6f65e79"
+  dependencies:
+    available-typed-arrays "^1.0.5"
+    call-bind "^1.0.2"
+    es-abstract "^1.18.5"
+    foreach "^2.0.5"
+    has-tostringtag "^1.0.0"
+
 is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
 
-isarray@^1.0.0, isarray@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
-
 isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
@@ -998,6 +1600,10 @@ isurl@^1.0.0-alpha5:
     has-to-string-tag-x "^1.2.0"
     is-object "^1.0.1"
 
+js-sha3@0.5.7, js-sha3@^0.5.7:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
+
 js-sha3@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.3.1.tgz#86122802142f0828502a0d1dee1d95e253bb0243"
@@ -1006,14 +1612,26 @@ js-sha3@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.6.1.tgz#5b89f77a7477679877f58c4a075240934b1f95c0"
 
+js-sha3@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
+json-buffer@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.0.tgz#5b1f397afc75d677bde8bcfc0e47e1f9a3d9a898"
+
 json-schema-traverse@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
 
+json-schema-traverse@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
+
 json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
@@ -1022,9 +1640,9 @@ json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
-jsonfile@^2.1.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"
+jsonfile@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
   optionalDependencies:
     graceful-fs "^4.1.6"
 
@@ -1046,17 +1664,38 @@ keccak@^1.0.2:
     nan "^2.2.1"
     safe-buffer "^5.1.0"
 
-keccakjs@^0.2.0, keccakjs@^0.2.1:
+keccak@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/keccak/-/keccak-3.0.2.tgz#4c2c6e8c54e04f2670ee49fa734eb9da152206e0"
+  dependencies:
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+    readable-stream "^3.6.0"
+
+keccakjs@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.1.tgz#1d633af907ef305bbf9f2fa616d56c44561dfa4d"
   dependencies:
     browserify-sha3 "^0.0.1"
     sha3 "^1.1.0"
 
+keyv@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/keyv/-/keyv-3.1.0.tgz#ecc228486f69991e49e9476485a5be1e8fc5c4d9"
+  dependencies:
+    json-buffer "3.0.0"
+
 leftpad@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/leftpad/-/leftpad-0.0.1.tgz#86b1a4de4face180ac545a83f1503523d8fed115"
 
+locate-path@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
+  dependencies:
+    p-locate "^2.0.0"
+    path-exists "^3.0.0"
+
 lodash@v3.10.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
@@ -1065,16 +1704,18 @@ lowercase-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.0.tgz#4e3366b39e7f5457e35f1324bdf6f88d0bfc7306"
 
+lowercase-keys@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
+
+lowercase-keys@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
+
 lru-cache@2:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
 
-make-dir@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.1.0.tgz#19b4369fe48c116f53c2af95ad102c0e39e85d51"
-  dependencies:
-    pify "^3.0.0"
-
 md5.js@^1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.4.tgz#e9bdbde94a20a5ac18b04340fc5764d5b09d901d"
@@ -1101,6 +1742,10 @@ miller-rabin@^4.0.0:
     bn.js "^4.0.0"
     brorand "^1.0.1"
 
+mime-db@1.49.0:
+  version "1.49.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.49.0.tgz#f3dfde60c99e9cf3bc9701d687778f537001cbed"
+
 mime-db@~1.30.0:
   version "1.30.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.30.0.tgz#74c643da2dd9d6a45399963465b26d5ca7d71f01"
@@ -1111,6 +1756,12 @@ mime-types@^2.1.12, mime-types@^2.1.16, mime-types@~2.1.15, mime-types@~2.1.16,
   dependencies:
     mime-db "~1.30.0"
 
+mime-types@~2.1.19:
+  version "2.1.32"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.32.tgz#1d00e89e7de7fe02008db61001d9e02852670fd5"
+  dependencies:
+    mime-db "1.49.0"
+
 mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
@@ -1119,6 +1770,10 @@ mimic-response@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.0.tgz#df3d3652a73fded6b9b0b24146e6fd052353458e"
 
+mimic-response@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
+
 min-document@^2.19.0:
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/min-document/-/min-document-2.19.0.tgz#7bd282e3f5842ed295bb748cdd9f1ffa2c824685"
@@ -1129,6 +1784,10 @@ minimalistic-assert@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.0.tgz#702be2dda6b37f4836bcb3f5db56641b64a1d3d3"
 
+minimalistic-assert@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+
 minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
@@ -1140,15 +1799,22 @@ minimatch@0.3:
     lru-cache "2"
     sigmund "~1.0.0"
 
-minimatch@^3.0.4:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+
+minipass@^2.6.0, minipass@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
   dependencies:
-    brace-expansion "^1.1.7"
+    safe-buffer "^5.1.2"
+    yallist "^3.0.0"
 
-minimist@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+minizlib@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
+  dependencies:
+    minipass "^2.9.0"
 
 mkdirp-promise@^5.0.1:
   version "5.0.1"
@@ -1156,33 +1822,64 @@ mkdirp-promise@^5.0.1:
   dependencies:
     mkdirp "*"
 
-mkdirp@*, "mkdirp@>=0.5 0":
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+mkdirp@*, mkdirp@^0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   dependencies:
-    minimist "0.0.8"
+    minimist "^1.2.5"
+
+mkdirp@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
 
 mock-fs@^4.1.0:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-4.4.2.tgz#09dec5313f97095a450be6aa2ad8ab6738d63d6b"
 
-mout@^0.11.0:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/mout/-/mout-0.11.1.tgz#ba3611df5f0e5b1ffbfd01166b8f02d1f5fa2b99"
-
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
-mz@^2.6.0:
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/mz/-/mz-2.7.0.tgz#95008057a56cafadc2bc63dde7f9ff6955948e32"
+ms@^2.1.1:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+
+multibase@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/multibase/-/multibase-0.7.0.tgz#1adfc1c50abe05eefeb5091ac0c2728d6b84581b"
+  dependencies:
+    base-x "^3.0.8"
+    buffer "^5.5.0"
+
+multibase@~0.6.0:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/multibase/-/multibase-0.6.1.tgz#b76df6298536cc17b9f6a6db53ec88f85f8cc12b"
+  dependencies:
+    base-x "^3.0.8"
+    buffer "^5.5.0"
+
+multicodec@^0.5.5:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/multicodec/-/multicodec-0.5.7.tgz#1fb3f9dd866a10a55d226e194abba2dcc1ee9ffd"
+  dependencies:
+    varint "^5.0.0"
+
+multicodec@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/multicodec/-/multicodec-1.0.4.tgz#46ac064657c40380c28367c90304d8ed175a714f"
   dependencies:
-    any-promise "^1.0.0"
-    object-assign "^4.0.1"
-    thenify-all "^1.0.0"
+    buffer "^5.6.0"
+    varint "^5.0.0"
 
-nan@^2.0.5, nan@^2.0.8, nan@^2.2.1, nan@^2.3.3:
+multihashes@^0.4.15, multihashes@~0.4.15:
+  version "0.4.21"
+  resolved "https://registry.yarnpkg.com/multihashes/-/multihashes-0.4.21.tgz#dc02d525579f334a7909ade8a122dabb58ccfcb5"
+  dependencies:
+    buffer "^5.5.0"
+    multibase "^0.7.0"
+    varint "^5.0.0"
+
+nan@^2.0.5, nan@^2.2.1:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.8.0.tgz#ed715f3fe9de02b57a5e6252d90a96675e1f085a"
 
@@ -1194,6 +1891,22 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
+next-tick@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
+
+node-addon-api@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/node-addon-api/-/node-addon-api-2.0.2.tgz#432cfa82962ce494b132e9d72a15b29f71ff5d32"
+
+node-gyp-build@^4.2.0:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.2.3.tgz#ce6277f853835f718829efb47db20f3e4d9c4739"
+
+normalize-url@^4.1.0:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.1.tgz#0dd90cf1288ee1d1313b87081c9a5932ee48518a"
+
 number-to-bn@1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/number-to-bn/-/number-to-bn-1.7.0.tgz#bb3623592f7e5f9e0030b1977bd41a0c53fe1ea0"
@@ -1205,21 +1918,42 @@ oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
+oauth-sign@~0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
+
 object-assign@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-3.0.0.tgz#9bedd5ca0897949bca47e7ff408062d549f587f2"
 
-object-assign@^4, object-assign@^4.0.1:
+object-assign@^4:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
+object-inspect@^1.11.0, object-inspect@^1.9.0:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.11.0.tgz#9dceb146cedd4148a0d9e51ab88d34cf509922b1"
+
 object-inspect@~0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-0.4.0.tgz#f5157c116c1455b243b06ee97703392c5ad89fec"
 
-oboe@2.1.3:
-  version "2.1.3"
-  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.3.tgz#2b4865dbd46be81225713f4e9bfe4bcf4f680a4f"
+object-keys@^1.0.12, object-keys@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+
+object.assign@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.2.tgz#0ed54a342eceb37b38ff76eb831a0e788cb63940"
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
+oboe@2.1.5:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.5.tgz#5554284c543a2266d7a38f17e073821fbde393cd"
   dependencies:
     http-https "^1.0.0"
 
@@ -1229,7 +1963,7 @@ on-finished@~2.3.0:
   dependencies:
     ee-first "1.1.1"
 
-once@^1.3.0, once@^1.3.1, once@^1.4.0:
+once@^1.3.1, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
@@ -1239,16 +1973,36 @@ p-cancelable@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-0.3.0.tgz#b9e123800bcebb7ac13a479be195b507b98d30fa"
 
+p-cancelable@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-1.1.0.tgz#d078d15a3af409220c886f1d9a0ca2e441ab26cc"
+
 p-finally@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
 
+p-limit@^1.1.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.3.0.tgz#b86bd5f0c25690911c7590fcbfc2010d54b3ccb8"
+  dependencies:
+    p-try "^1.0.0"
+
+p-locate@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
+  dependencies:
+    p-limit "^1.1.0"
+
 p-timeout@^1.1.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/p-timeout/-/p-timeout-1.2.1.tgz#5eb3b353b7fce99f101a1038880bb054ebbea386"
   dependencies:
     p-finally "^1.0.0"
 
+p-try@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-1.0.0.tgz#cbc79cdbaf8fd4228e13f621f2b1a237c1b207b3"
+
 parse-asn1@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
@@ -1270,14 +2024,24 @@ parseurl@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
 
-path-is-absolute@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+path-exists@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
 
 path-to-regexp@0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
 
+pbkdf2@^3.0.17:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.1.2.tgz#dd822aa0887580e52f1a039dc3eda108efae3075"
+  dependencies:
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+    ripemd160 "^2.0.1"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
 pbkdf2@^3.0.3:
   version "3.0.14"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.14.tgz#a35e13c64799b06ce15320f459c230e68e73bade"
@@ -1288,39 +2052,21 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-pend@~1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
-
 performance-now@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
 
-pify@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
-
-pify@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
-
-pinkie-promise@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
-  dependencies:
-    pinkie "^2.0.0"
-
-pinkie@^2.0.0:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
-
 prepend-http@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
 
-process-nextick-args@~1.0.6:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
+prepend-http@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
+
+printj@~1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/printj/-/printj-1.1.2.tgz#d90deb2975a8b9f600fb3a1c94e3f4c53c78a222"
 
 process@~0.5.1:
   version "0.5.2"
@@ -1333,6 +2079,10 @@ proxy-addr@~2.0.2:
     forwarded "~0.1.2"
     ipaddr.js "1.5.2"
 
+psl@^1.1.28:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
+
 public-encrypt@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.0.tgz#39f699f3a46560dd5ebacbca693caf7c65c18cc6"
@@ -1343,14 +2093,33 @@ public-encrypt@^4.0.0:
     parse-asn1 "^5.0.0"
     randombytes "^2.0.1"
 
+pump@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-3.0.0.tgz#b4a2116815bde2f4e1ea602354e8c75565107a64"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+punycode@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.0.tgz#5f863edc89b96db09074bad7947bf09056ca4e7d"
+
 punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
+punycode@^2.1.0, punycode@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
+
 qs@6.5.1, qs@~6.5.1:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
+qs@~6.5.2:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
+
 query-string@^2.4.0:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/query-string/-/query-string-2.4.2.tgz#7db0666420804baa92ae9f268962855a76143dfb"
@@ -1363,6 +2132,12 @@ randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
   dependencies:
     safe-buffer "^5.1.0"
 
+randombytes@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
+  dependencies:
+    safe-buffer "^5.1.0"
+
 randomfill@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.3.tgz#b96b7df587f01dd91726c418f30553b1418e3d62"
@@ -1370,10 +2145,6 @@ randomfill@^1.0.3:
     randombytes "^2.0.5"
     safe-buffer "^5.1.0"
 
-randomhex@0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/randomhex/-/randomhex-0.1.5.tgz#baceef982329091400f2a2912c6cd02f1094f585"
-
 range-parser@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
@@ -1387,17 +2158,13 @@ raw-body@2.3.2:
     iconv-lite "0.4.19"
     unpipe "1.0.0"
 
-readable-stream@^2.0.0, readable-stream@^2.0.5:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+readable-stream@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.3"
-    isarray "~1.0.0"
-    process-nextick-args "~1.0.6"
-    safe-buffer "~5.1.1"
-    string_decoder "~1.0.3"
-    util-deprecate "~1.0.1"
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
 
 request@^2.79.0:
   version "2.83.0"
@@ -1426,18 +2193,43 @@ request@^2.79.0:
     tunnel-agent "^0.6.0"
     uuid "^3.1.0"
 
+request@^2.85.0:
+  version "2.88.2"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
+  dependencies:
+    aws-sign2 "~0.7.0"
+    aws4 "^1.8.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.6"
+    extend "~3.0.2"
+    forever-agent "~0.6.1"
+    form-data "~2.3.2"
+    har-validator "~5.1.3"
+    http-signature "~1.2.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.19"
+    oauth-sign "~0.9.0"
+    performance-now "^2.1.0"
+    qs "~6.5.2"
+    safe-buffer "^5.1.2"
+    tough-cookie "~2.5.0"
+    tunnel-agent "^0.6.0"
+    uuid "^3.3.2"
+
+responselike@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/responselike/-/responselike-1.0.2.tgz#918720ef3b631c5642be068f15ade5a46f4ba1e7"
+  dependencies:
+    lowercase-keys "^1.0.0"
+
 resumer@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
   dependencies:
     through "~2.3.4"
 
-rimraf@2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
-  dependencies:
-    glob "^7.0.5"
-
 ripemd160@^2.0.0, ripemd160@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.1.tgz#0f4584295c53a3628af7e6d79aca21ce57d1c6e7"
@@ -1449,28 +2241,27 @@ rlp@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.0.0.tgz#9db384ff4b89a8f61563d92395d8625b18f3afb0"
 
-safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+rlp@^2.2.4:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.6.tgz#c80ba6266ac7a483ef1e69e8e2f056656de2fb2c"
+  dependencies:
+    bn.js "^4.11.1"
+
+safe-buffer@5.1.1, safe-buffer@~5.1.0:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
-scrypt.js@0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.2.0.tgz#af8d1465b71e9990110bedfc593b9479e03a8ada"
-  dependencies:
-    scrypt "^6.0.2"
-    scryptsy "^1.2.1"
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.1, safe-buffer@~5.2.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
 
-scrypt@^6.0.2:
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/scrypt/-/scrypt-6.0.3.tgz#04e014a5682b53fa50c2d5cce167d719c06d870d"
-  dependencies:
-    nan "^2.0.8"
+scrypt-js@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.4.tgz#32f8c5149f0797672e551c07e230f834b6af5f16"
 
-scryptsy@^1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-1.2.1.tgz#a3225fa4b2524f802700761e2855bdf3b2d92163"
-  dependencies:
-    pbkdf2 "^3.0.3"
+scrypt-js@^3.0.0, scrypt-js@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-3.0.1.tgz#d314a57c2aef69d1ad98a138a21fe9eafa9ee312"
 
 secp256k1@^3.0.1:
   version "3.4.0"
@@ -1485,11 +2276,13 @@ secp256k1@^3.0.1:
     nan "^2.2.1"
     safe-buffer "^5.1.0"
 
-seek-bzip@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
+secp256k1@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-4.0.2.tgz#15dd57d0f0b9fdb54ac1fa1694f40e5e9a54f4a1"
   dependencies:
-    commander "~2.8.1"
+    elliptic "^6.5.2"
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
 
 send@0.16.1:
   version "0.16.1"
@@ -1528,6 +2321,10 @@ servify@^0.1.12:
     request "^2.79.0"
     xhr "^2.3.3"
 
+setimmediate@1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.4.tgz#20e81de622d4a02588ce0c8da8973cbcf1d3138f"
+
 setimmediate@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
@@ -1553,6 +2350,14 @@ sha3@^1.1.0:
   dependencies:
     nan "^2.0.5"
 
+side-channel@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/side-channel/-/side-channel-1.0.4.tgz#efce5c8fdc104ee751b25c58d4290011fa5ea2cf"
+  dependencies:
+    call-bind "^1.0.0"
+    get-intrinsic "^1.0.2"
+    object-inspect "^1.9.0"
+
 sigmund@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
@@ -1597,45 +2402,51 @@ strict-uri-encode@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
 
-string_decoder@~1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
+string.prototype.trimend@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz#e75ae90c2942c63504686c18b287b4a0b1a45f80"
   dependencies:
-    safe-buffer "~5.1.0"
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
+string.prototype.trimstart@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimstart/-/string.prototype.trimstart-1.0.4.tgz#b36399af4ab2999b4c9c648bd7a3fb2bb26feeed"
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  dependencies:
+    safe-buffer "~5.2.0"
 
 stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
 
-strip-dirs@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/strip-dirs/-/strip-dirs-2.1.0.tgz#4987736264fc344cf20f6c34aca9d13d1d4ed6c5"
-  dependencies:
-    is-natural-number "^4.0.1"
-
 strip-hex-prefix@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-hex-prefix/-/strip-hex-prefix-1.0.0.tgz#0c5f155fef1151373377de9dbb588da05500e36f"
   dependencies:
     is-hex-prefixed "1.0.0"
 
-swarm-js@0.1.37:
-  version "0.1.37"
-  resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.37.tgz#27d485317a340bbeec40292af783cc10acfa4663"
+swarm-js@^0.1.40:
+  version "0.1.40"
+  resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.40.tgz#b1bc7b6dcc76061f6c772203e004c11997e06b99"
   dependencies:
     bluebird "^3.5.0"
     buffer "^5.0.5"
-    decompress "^4.0.0"
     eth-lib "^0.1.26"
-    fs-extra "^2.1.2"
-    fs-promise "^2.0.0"
+    fs-extra "^4.0.2"
     got "^7.1.0"
     mime-types "^2.1.16"
     mkdirp-promise "^5.0.1"
     mock-fs "^4.1.0"
     setimmediate "^1.0.5"
-    tar.gz "^1.0.5"
-    xhr-request-promise "^0.1.2"
+    tar "^4.0.2"
+    xhr-request "^1.0.1"
 
 tape@^3.0.3:
   version "3.6.1"
@@ -1649,46 +2460,19 @@ tape@^3.0.3:
     resumer "~0.0.0"
     through "~2.3.4"
 
-tar-stream@^1.5.2:
-  version "1.5.5"
-  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.5.5.tgz#5cad84779f45c83b1f2508d96b09d88c7218af55"
-  dependencies:
-    bl "^1.0.0"
-    end-of-stream "^1.0.0"
-    readable-stream "^2.0.0"
-    xtend "^4.0.0"
-
-tar.gz@^1.0.5:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/tar.gz/-/tar.gz-1.0.7.tgz#577ef2c595faaa73452ef0415fed41113212257b"
-  dependencies:
-    bluebird "^2.9.34"
-    commander "^2.8.1"
-    fstream "^1.0.8"
-    mout "^0.11.0"
-    tar "^2.1.1"
-
-tar@^2.1.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
+tar@^4.0.2:
+  version "4.4.19"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.19.tgz#2e4d7263df26f2b914dee10c825ab132123742f3"
   dependencies:
-    block-stream "*"
-    fstream "^1.0.2"
-    inherits "2"
+    chownr "^1.1.4"
+    fs-minipass "^1.2.7"
+    minipass "^2.9.0"
+    minizlib "^1.3.3"
+    mkdirp "^0.5.5"
+    safe-buffer "^5.2.1"
+    yallist "^3.1.1"
 
-thenify-all@^1.0.0, thenify-all@^1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/thenify-all/-/thenify-all-1.6.0.tgz#1a1918d402d8fc3f98fbf234db0bcc8cc10e9726"
-  dependencies:
-    thenify ">= 3.1.0 < 4"
-
-"thenify@>= 3.1.0 < 4":
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/thenify/-/thenify-3.3.0.tgz#e69e38a1babe969b0108207978b9f62b88604839"
-  dependencies:
-    any-promise "^1.0.0"
-
-through@^2.3.6, through@~2.3.4:
+through@~2.3.4:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -1700,16 +2484,41 @@ timed-out@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
 
+to-readable-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/to-readable-stream/-/to-readable-stream-1.0.0.tgz#ce0aa0c2f3df6adf852efb404a783e77c0475771"
+
 tough-cookie@~2.3.3:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.3.tgz#0b618a5565b6dea90bf3425d04d55edc475a7561"
   dependencies:
     punycode "^1.4.1"
 
+tough-cookie@~2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
+  dependencies:
+    psl "^1.1.28"
+    punycode "^2.1.1"
+
 trim@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/trim/-/trim-0.0.1.tgz#5858547f6b290757ee95cccc666fb50084c460dd"
 
+truffle-flattener@^1.2.9:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/truffle-flattener/-/truffle-flattener-1.5.0.tgz#c358fa3e5cb0a663429f7912a58c4f0879414e64"
+  dependencies:
+    "@resolver-engine/imports-fs" "^0.2.2"
+    "@solidity-parser/parser" "^0.8.0"
+    find-up "^2.1.0"
+    mkdirp "^1.0.4"
+    tsort "0.0.1"
+
+tsort@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/tsort/-/tsort-0.0.1.tgz#e2280f5e817f8bf4275657fd0f9aebd44f5a2786"
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -1727,9 +2536,17 @@ type-is@~1.6.15:
     media-typer "0.3.0"
     mime-types "~2.1.15"
 
-typedarray-to-buffer@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.2.tgz#1017b32d984ff556eba100f501589aba1ace2e04"
+type@^1.0.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/type/-/type-1.2.0.tgz#848dd7698dafa3e54a6c479e759c4bc3f18847a0"
+
+type@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/type/-/type-2.5.0.tgz#0a2e78c2e77907b252abe5f298c1b01c63f0db3d"
+
+typedarray-to-buffer@^3.1.5:
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
   dependencies:
     is-typedarray "^1.0.0"
 
@@ -1737,16 +2554,18 @@ ultron@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
 
-unbzip2-stream@^1.0.9:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.2.5.tgz#73a033a567bbbde59654b193c44d48a7e4f43c47"
+unbox-primitive@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/unbox-primitive/-/unbox-primitive-1.0.1.tgz#085e215625ec3162574dc8859abee78a59b14471"
   dependencies:
-    buffer "^3.0.1"
-    through "^2.3.6"
+    function-bind "^1.1.1"
+    has-bigints "^1.0.1"
+    has-symbols "^1.0.2"
+    which-boxed-primitive "^1.0.2"
 
-underscore@1.8.3:
-  version "1.8.3"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+universalify@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
 
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
@@ -1756,12 +2575,24 @@ unzip-response@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-1.0.2.tgz#b984f0877fc0a89c2c773cc1ef7b5b232b5b06fe"
 
+uri-js@^4.2.2:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  dependencies:
+    punycode "^2.1.0"
+
 url-parse-lax@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/url-parse-lax/-/url-parse-lax-1.0.0.tgz#7af8f303645e9bd79a272e7a14ac68bc0609da73"
   dependencies:
     prepend-http "^1.0.1"
 
+url-parse-lax@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/url-parse-lax/-/url-parse-lax-3.0.0.tgz#16b5cafc07dbe3676c1b1999177823d6503acb0c"
+  dependencies:
+    prepend-http "^2.0.0"
+
 url-set-query@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/url-set-query/-/url-set-query-1.0.0.tgz#016e8cfd7c20ee05cafe7795e892bd0702faa339"
@@ -1770,14 +2601,31 @@ url-to-options@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/url-to-options/-/url-to-options-1.0.1.tgz#1505a03a289a48cbd7a434efbaeec5055f5633a9"
 
-utf8@2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.1.tgz#2e01db02f7d8d0944f77104f1609eb0c304cf768"
+utf-8-validate@^5.0.2:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/utf-8-validate/-/utf-8-validate-5.0.5.tgz#dd32c2e82c72002dc9f02eb67ba6761f43456ca1"
+  dependencies:
+    node-gyp-build "^4.2.0"
 
-util-deprecate@~1.0.1:
+utf8@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
+
+util-deprecate@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
+util@^0.12.0:
+  version "0.12.4"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.12.4.tgz#66121a31420df8f01ca0c464be15dfa1d1850253"
+  dependencies:
+    inherits "^2.0.3"
+    is-arguments "^1.0.4"
+    is-generator-function "^1.0.7"
+    is-typed-array "^1.1.3"
+    safe-buffer "^5.1.2"
+    which-typed-array "^1.1.2"
+
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
@@ -1786,10 +2634,22 @@ uuid@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.1.tgz#c2a30dedb3e535d72ccf82e343941a50ba8533ac"
 
+uuid@3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
+
 uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
 
+uuid@^3.3.2:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"
+
+varint@^5.0.0:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/varint/-/varint-5.0.2.tgz#5b47f8a947eb668b848e034dcfa87d0ff8a7f7a4"
+
 vary@^1, vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
@@ -1802,210 +2662,246 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-web3-bzz@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.0.0-beta.27.tgz#4e6820a5cfe73aab06d82579f450450fbe9822a3"
+web3-bzz@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.5.2.tgz#a04feaa19462cff6d5a8c87dad1aca4619d9dfc8"
   dependencies:
-    got "7.1.0"
-    swarm-js "0.1.37"
-    underscore "1.8.3"
+    "@types/node" "^12.12.6"
+    got "9.6.0"
+    swarm-js "^0.1.40"
 
-web3-core-helpers@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.27.tgz#eb094fad37c9dc1d7066dd756629a2d6efba07a2"
+web3-core-helpers@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.5.2.tgz#b6bd5071ca099ba3f92dfafb552eed2b70af2795"
   dependencies:
-    underscore "1.8.3"
-    web3-eth-iban "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
+    web3-eth-iban "1.5.2"
+    web3-utils "1.5.2"
 
-web3-core-method@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.27.tgz#de14e540bd6a7537d704670b49e63f0526201baa"
+web3-core-method@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.5.2.tgz#d1d602657be1000a29d11e3ca3bf7bc778dea9a5"
   dependencies:
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.27"
-    web3-core-promievent "1.0.0-beta.27"
-    web3-core-subscriptions "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
+    "@ethereumjs/common" "^2.4.0"
+    "@ethersproject/transactions" "^5.0.0-beta.135"
+    web3-core-helpers "1.5.2"
+    web3-core-promievent "1.5.2"
+    web3-core-subscriptions "1.5.2"
+    web3-utils "1.5.2"
 
-web3-core-promievent@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.27.tgz#d25c7d7bbe4d53dfbfdca049f9ed4b0a6954bebc"
+web3-core-promievent@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.5.2.tgz#2dc9fe0e5bbeb7c360fc1aac5f12b32d9949a59b"
   dependencies:
-    bluebird "3.3.1"
-    eventemitter3 "1.1.1"
+    eventemitter3 "4.0.4"
 
-web3-core-requestmanager@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.27.tgz#564eee244a310aae5a6c6832cde2c0e3dc301e98"
+web3-core-requestmanager@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.5.2.tgz#43ccc00779394c941b28e6e07e217350fd1ded71"
   dependencies:
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.27"
-    web3-providers-http "1.0.0-beta.27"
-    web3-providers-ipc "1.0.0-beta.27"
-    web3-providers-ws "1.0.0-beta.27"
+    util "^0.12.0"
+    web3-core-helpers "1.5.2"
+    web3-providers-http "1.5.2"
+    web3-providers-ipc "1.5.2"
+    web3-providers-ws "1.5.2"
 
-web3-core-subscriptions@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.27.tgz#56f291cb54a7ecf80d4734d72f54a4cbcb897737"
+web3-core-subscriptions@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.5.2.tgz#8eaebde44f81fc13c45b555c4422fe79393da9cf"
   dependencies:
-    eventemitter3 "1.1.1"
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.27"
+    eventemitter3 "4.0.4"
+    web3-core-helpers "1.5.2"
 
-web3-core@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.27.tgz#4d009bf71e58b7917613412917eff91113b437c3"
+web3-core@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.5.2.tgz#ca2b9b1ed3cf84d48b31c9bb91f7628f97cfdcd5"
   dependencies:
-    web3-core-helpers "1.0.0-beta.27"
-    web3-core-method "1.0.0-beta.27"
-    web3-core-requestmanager "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
+    "@types/bn.js" "^4.11.5"
+    "@types/node" "^12.12.6"
+    bignumber.js "^9.0.0"
+    web3-core-helpers "1.5.2"
+    web3-core-method "1.5.2"
+    web3-core-requestmanager "1.5.2"
+    web3-utils "1.5.2"
 
-web3-eth-abi@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.27.tgz#452e9d93761560be32344ee3b8975d0fb24bbdbe"
+web3-eth-abi@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.5.2.tgz#b627eada967f39ae4657ddd61b693cb00d55cb29"
   dependencies:
-    bn.js "4.11.6"
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
-
-web3-eth-accounts@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.27.tgz#9940c28e5e3c920d67cf6887ea9c52f1cdd17b79"
-  dependencies:
-    bluebird "3.3.1"
-    crypto-browserify "^3.12.0"
-    eth-lib "0.2.5"
-    scrypt.js "0.2.0"
-    underscore "1.8.3"
-    uuid "2.0.1"
-    web3-core "1.0.0-beta.27"
-    web3-core-helpers "1.0.0-beta.27"
-    web3-core-method "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
-
-web3-eth-contract@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.27.tgz#012f7a5d59da67e296c735a8f2970aecdd207e7d"
-  dependencies:
-    underscore "1.8.3"
-    web3-core "1.0.0-beta.27"
-    web3-core-helpers "1.0.0-beta.27"
-    web3-core-method "1.0.0-beta.27"
-    web3-core-promievent "1.0.0-beta.27"
-    web3-core-subscriptions "1.0.0-beta.27"
-    web3-eth-abi "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
-
-web3-eth-iban@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.27.tgz#4433c28f417c39af96333a06a4afa1fcd4aa6842"
+    "@ethersproject/abi" "5.0.7"
+    web3-utils "1.5.2"
+
+web3-eth-accounts@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.5.2.tgz#cf506c21037fa497fe42f1f055980ce4acf83731"
+  dependencies:
+    "@ethereumjs/common" "^2.3.0"
+    "@ethereumjs/tx" "^3.2.1"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.8"
+    ethereumjs-util "^7.0.10"
+    scrypt-js "^3.0.1"
+    uuid "3.3.2"
+    web3-core "1.5.2"
+    web3-core-helpers "1.5.2"
+    web3-core-method "1.5.2"
+    web3-utils "1.5.2"
+
+web3-eth-contract@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.5.2.tgz#ffbd799fd01e36596aaadefba323e24a98a23c2f"
+  dependencies:
+    "@types/bn.js" "^4.11.5"
+    web3-core "1.5.2"
+    web3-core-helpers "1.5.2"
+    web3-core-method "1.5.2"
+    web3-core-promievent "1.5.2"
+    web3-core-subscriptions "1.5.2"
+    web3-eth-abi "1.5.2"
+    web3-utils "1.5.2"
+
+web3-eth-ens@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.5.2.tgz#ecb3708f0e8e2e847e9d89e8428da12c30bba6a4"
+  dependencies:
+    content-hash "^2.5.2"
+    eth-ens-namehash "2.0.8"
+    web3-core "1.5.2"
+    web3-core-helpers "1.5.2"
+    web3-core-promievent "1.5.2"
+    web3-eth-abi "1.5.2"
+    web3-eth-contract "1.5.2"
+    web3-utils "1.5.2"
+
+web3-eth-iban@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.5.2.tgz#f390ad244ef8a6c94de7c58736b0b80a484abc8e"
   dependencies:
-    bn.js "^4.11.6"
-    web3-utils "1.0.0-beta.27"
-
-web3-eth-personal@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.27.tgz#ba489a348764a4ab30388b5cc1c6e59bd6eaecab"
-  dependencies:
-    web3-core "1.0.0-beta.27"
-    web3-core-helpers "1.0.0-beta.27"
-    web3-core-method "1.0.0-beta.27"
-    web3-net "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
-
-web3-eth@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.0.0-beta.27.tgz#855dd0e01a94d57871ffd8f49f6d9ecaa31721ab"
-  dependencies:
-    underscore "1.8.3"
-    web3-core "1.0.0-beta.27"
-    web3-core-helpers "1.0.0-beta.27"
-    web3-core-method "1.0.0-beta.27"
-    web3-core-subscriptions "1.0.0-beta.27"
-    web3-eth-abi "1.0.0-beta.27"
-    web3-eth-accounts "1.0.0-beta.27"
-    web3-eth-contract "1.0.0-beta.27"
-    web3-eth-iban "1.0.0-beta.27"
-    web3-eth-personal "1.0.0-beta.27"
-    web3-net "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
-
-web3-net@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.0.0-beta.27.tgz#7ae9536ec39fed1a2eeb38c02e6e3c8edfe8ab7d"
-  dependencies:
-    web3-core "1.0.0-beta.27"
-    web3-core-method "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
-
-web3-providers-http@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.0.0-beta.27.tgz#2f0ae1609bc5e4a35be25818cd7fc77de062b6a6"
-  dependencies:
-    web3-core-helpers "1.0.0-beta.27"
-    xhr2 "0.1.4"
-
-web3-providers-ipc@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.27.tgz#a05c2421effe4c47f15f479f7925135ad0942762"
-  dependencies:
-    oboe "2.1.3"
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.27"
-
-web3-providers-ws@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.27.tgz#6d467819ea22ddfa1b6ba1498d31d9554e2b06dd"
-  dependencies:
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.27"
-    websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
-
-web3-shh@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.0.0-beta.27.tgz#6f76d6eb2a266bbebdcf0aa30c5a3ad89f367b7f"
-  dependencies:
-    web3-core "1.0.0-beta.27"
-    web3-core-method "1.0.0-beta.27"
-    web3-core-subscriptions "1.0.0-beta.27"
-    web3-net "1.0.0-beta.27"
-
-web3-utils@1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.27.tgz#d097d5c336a16b9f6ca9b60af68dd15c0643214b"
+    bn.js "^4.11.9"
+    web3-utils "1.5.2"
+
+web3-eth-personal@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.5.2.tgz#043335a19ab59e119ba61e3bd6c3b8cde8120490"
   dependencies:
-    bn.js "4.11.6"
-    eth-lib "^0.1.27"
+    "@types/node" "^12.12.6"
+    web3-core "1.5.2"
+    web3-core-helpers "1.5.2"
+    web3-core-method "1.5.2"
+    web3-net "1.5.2"
+    web3-utils "1.5.2"
+
+web3-eth@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.5.2.tgz#0f6470df60a2a7d04df4423ca7721db8ed5ad72b"
+  dependencies:
+    web3-core "1.5.2"
+    web3-core-helpers "1.5.2"
+    web3-core-method "1.5.2"
+    web3-core-subscriptions "1.5.2"
+    web3-eth-abi "1.5.2"
+    web3-eth-accounts "1.5.2"
+    web3-eth-contract "1.5.2"
+    web3-eth-ens "1.5.2"
+    web3-eth-iban "1.5.2"
+    web3-eth-personal "1.5.2"
+    web3-net "1.5.2"
+    web3-utils "1.5.2"
+
+web3-net@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.5.2.tgz#58915d7e2dad025d2a08f02c865f3abe61c48eff"
+  dependencies:
+    web3-core "1.5.2"
+    web3-core-method "1.5.2"
+    web3-utils "1.5.2"
+
+web3-providers-http@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.5.2.tgz#94f95fe5572ca54aa2c2ffd42c63956436c9eb0a"
+  dependencies:
+    web3-core-helpers "1.5.2"
+    xhr2-cookies "1.1.0"
+
+web3-providers-ipc@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.5.2.tgz#68a516883c998eeddf60df4cead77baca4fb4aaa"
+  dependencies:
+    oboe "2.1.5"
+    web3-core-helpers "1.5.2"
+
+web3-providers-ws@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.5.2.tgz#d336a93ed608b40cdcadfadd1f1bc8d32ea046e0"
+  dependencies:
+    eventemitter3 "4.0.4"
+    web3-core-helpers "1.5.2"
+    websocket "^1.0.32"
+
+web3-shh@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.5.2.tgz#a72a3d903c0708a004db94a72d934a302d880aea"
+  dependencies:
+    web3-core "1.5.2"
+    web3-core-method "1.5.2"
+    web3-core-subscriptions "1.5.2"
+    web3-net "1.5.2"
+
+web3-utils@1.5.2, web3-utils@^1.0.0-beta.36:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.5.2.tgz#150982dcb1918ffc54eba87528e28f009ebc03aa"
+  dependencies:
+    bn.js "^4.11.9"
+    eth-lib "0.2.8"
+    ethereum-bloom-filters "^1.0.6"
     ethjs-unit "0.1.6"
     number-to-bn "1.7.0"
-    randomhex "0.1.5"
-    underscore "1.8.3"
-    utf8 "2.1.1"
-
-web3@^1.0.0-beta.27:
-  version "1.0.0-beta.27"
-  resolved "https://registry.yarnpkg.com/web3/-/web3-1.0.0-beta.27.tgz#d9a7c956bec981b0ba927bdb91dd0f1275eb3479"
-  dependencies:
-    web3-bzz "1.0.0-beta.27"
-    web3-core "1.0.0-beta.27"
-    web3-eth "1.0.0-beta.27"
-    web3-eth-personal "1.0.0-beta.27"
-    web3-net "1.0.0-beta.27"
-    web3-shh "1.0.0-beta.27"
-    web3-utils "1.0.0-beta.27"
-
-"websocket@git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible":
-  version "1.0.24"
-  resolved "git://github.com/frozeman/WebSocket-Node.git#7004c39c42ac98875ab61126e5b4a925430f592c"
+    randombytes "^2.1.0"
+    utf8 "3.0.0"
+
+web3@^1.0.0-beta.36:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.5.2.tgz#736ca2f39048c63964203dd811f519400973e78d"
   dependencies:
+    web3-bzz "1.5.2"
+    web3-core "1.5.2"
+    web3-eth "1.5.2"
+    web3-eth-personal "1.5.2"
+    web3-net "1.5.2"
+    web3-shh "1.5.2"
+    web3-utils "1.5.2"
+
+websocket@^1.0.32:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/websocket/-/websocket-1.0.34.tgz#2bdc2602c08bf2c82253b730655c0ef7dcab3111"
+  dependencies:
+    bufferutil "^4.0.1"
     debug "^2.2.0"
-    nan "^2.3.3"
-    typedarray-to-buffer "^3.1.2"
+    es5-ext "^0.10.50"
+    typedarray-to-buffer "^3.1.5"
+    utf-8-validate "^5.0.2"
     yaeti "^0.0.6"
 
+which-boxed-primitive@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz#13757bc89b209b049fe5d86430e21cf40a89a8e6"
+  dependencies:
+    is-bigint "^1.0.1"
+    is-boolean-object "^1.1.0"
+    is-number-object "^1.0.4"
+    is-string "^1.0.5"
+    is-symbol "^1.0.3"
+
+which-typed-array@^1.1.2:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/which-typed-array/-/which-typed-array-1.1.7.tgz#2761799b9a22d4b8660b3c1b40abaa7739691793"
+  dependencies:
+    available-typed-arrays "^1.0.5"
+    call-bind "^1.0.2"
+    es-abstract "^1.18.5"
+    foreach "^2.0.5"
+    has-tostringtag "^1.0.0"
+    is-typed-array "^1.1.7"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
@@ -2036,9 +2932,11 @@ xhr-request@^1.0.1:
     url-set-query "^1.0.0"
     xhr "^2.0.4"
 
-xhr2@0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/xhr2/-/xhr2-0.1.4.tgz#7f87658847716db5026323812f818cadab387a5f"
+xhr2-cookies@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz#7d77449d0999197f155cb73b23df72505ed89d48"
+  dependencies:
+    cookiejar "^2.1.1"
 
 xhr@^2.0.4, xhr@^2.3.3:
   version "2.4.1"
@@ -2049,6 +2947,10 @@ xhr@^2.0.4, xhr@^2.3.3:
     parse-headers "^2.0.0"
     xtend "^4.0.0"
 
+xmlhttprequest@1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz#67fe075c5c24fef39f9d65f5f7b7fe75171968fc"
+
 xtend@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
@@ -2057,9 +2959,6 @@ yaeti@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/yaeti/-/yaeti-0.0.6.tgz#f26f484d72684cf42bedfb76970aa1608fbf9577"
 
-yauzl@^2.4.2:
-  version "2.9.1"
-  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.9.1.tgz#a81981ea70a57946133883f029c5821a89359a7f"
-  dependencies:
-    buffer-crc32 "~0.2.3"
-    fd-slicer "~1.0.1"
+yallist@^3.0.0, yallist@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"