fix: eth_signTransaction signer verification for Celo (#91)

2022-12-21 10:15:59 +01:00 · 2022-12-21 10:15:59 +01:00 · 5817d5e536
commit 5817d5e536
parent 6aabae1762
3 changed files with 335 additions and 22 deletions
--- a/dapps/react-dapp-v2/package.json
+++ b/dapps/react-dapp-v2/package.json
@ -10,6 +10,7 @@
    "prettier:write": "prettier --write '**/*.{js,ts,jsx,tsx}'"
  },
  "dependencies": {
+    "@celo/wallet-base": "^3.0.1",
    "@elrondnetwork/erdjs": "11.1.1",
    "@elrondnetwork/erdjs-walletcore": "2.1.0",
    "@ethereumjs/tx": "^3.5.0",
@ -28,6 +29,7 @@
    "eth-sig-util": "^2.5.3",
    "ethereumjs-util": "^7.0.6",
    "ethers": "^5.3.0",
+    "fp-ts": "^2.13.1",
    "next": "12.2.4",
    "prop-types": "^15.7.2",
    "qr-image": "^3.2.0",
--- a/dapps/react-dapp-v2/src/contexts/JsonRpcContext.tsx
+++ b/dapps/react-dapp-v2/src/contexts/JsonRpcContext.tsx
@ -3,6 +3,7 @@ import { createContext, ReactNode, useContext, useState } from "react";
 import * as encoding from "@walletconnect/encoding";
 import { TypedDataField } from "@ethersproject/abstract-signer";
 import { Transaction as EthTransaction } from "@ethereumjs/tx";
+import { recoverTransaction } from "@celo/wallet-base";
 import {
  formatDirectSignDoc,
  stringifySignDocValues,
@ -252,9 +253,22 @@ export function JsonRpcContextProvider({
          },
        });

-        const valid = EthTransaction.fromSerializedTx(
-          signedTx as any
-        ).verifySignature();
+        const CELO_ALFAJORES_CHAIN_ID = 44787;
+        const CELO_MAINNET_CHAIN_ID = 42220;
+
+        let valid = false;
+        const [, reference] = chainId.split(":");
+        if (
+          reference === CELO_ALFAJORES_CHAIN_ID.toString() ||
+          reference === CELO_MAINNET_CHAIN_ID.toString()
+        ) {
+          const [, signer] = recoverTransaction(signedTx);
+          valid = signer.toLowerCase() === address.toLowerCase();
+        } else {
+          valid = EthTransaction.fromSerializedTx(
+            signedTx as any
+          ).verifySignature();
+        }

        return {
          method: DEFAULT_EIP155_METHODS.ETH_SIGN_TRANSACTION,
--- a/dapps/react-dapp-v2/yarn.lock
+++ b/dapps/react-dapp-v2/yarn.lock
@ -1092,6 +1092,56 @@
  resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
  integrity sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==

+"@celo/base@3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@celo/base/-/base-3.0.1.tgz#9ffaed3732a63fee26c636c11258288a7bc8700c"
+  integrity sha512-677Zkp65h2l2cmRkXiIdBS4/RUZlb4pr1n81xwD4egRIUld7on7k51yYIF9LLHkdtFGEJ6aKahJAP3TPvvM7pQ==
+
+"@celo/connect@3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@celo/connect/-/connect-3.0.1.tgz#45f63d6169e3e65ccb76e60b85364e9b084f42be"
+  integrity sha512-6QaRac00nVjv7Ti0kCTyE1sw2igsylCaUvF5f3SNgZuMIBm5F6nU3n7QEkUOF2g+NYpxqG3G7oZB4atNJR64Ug==
+  dependencies:
+    "@celo/base" "3.0.1"
+    "@celo/utils" "3.0.1"
+    "@types/debug" "^4.1.5"
+    "@types/utf8" "^2.1.6"
+    bignumber.js "^9.0.0"
+    debug "^4.1.1"
+    utf8 "3.0.0"
+
+"@celo/utils@3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@celo/utils/-/utils-3.0.1.tgz#2c9b03712c020414b31db9b39e57671009ff0976"
+  integrity sha512-mwCG6zuUKLBBmQfcjteHWKlKMkgxHuSugxFA8IkTEb4izfwRyue3/IhYZ/DxTIh906Xgb3CGTdEfxAfrjy8fhg==
+  dependencies:
+    "@celo/base" "3.0.1"
+    "@types/bn.js" "^5.1.0"
+    "@types/elliptic" "^6.4.9"
+    "@types/ethereumjs-util" "^5.2.0"
+    "@types/node" "^10.12.18"
+    bignumber.js "^9.0.0"
+    elliptic "^6.5.4"
+    ethereumjs-util "^5.2.0"
+    io-ts "2.0.1"
+    web3-eth-abi "1.3.6"
+    web3-utils "1.3.6"
+
+"@celo/wallet-base@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@celo/wallet-base/-/wallet-base-3.0.1.tgz#b2a26fb7624773fd5b4b44de4aadc0cc51a9ff24"
+  integrity sha512-Pb2vqwwXsoreqdGep0ZakVQhGoq3rtG9XhESPIcshwE50eAWAMAK+POlhRGkttrVAuXBZXfre+sYLBTivfSB1A==
+  dependencies:
+    "@celo/base" "3.0.1"
+    "@celo/connect" "3.0.1"
+    "@celo/utils" "3.0.1"
+    "@types/debug" "^4.1.5"
+    "@types/ethereumjs-util" "^5.2.0"
+    bignumber.js "^9.0.0"
+    debug "^4.1.1"
+    eth-lib "^0.2.8"
+    ethereumjs-util "^5.2.0"
+
 "@cnakazawa/watch@^1.0.3":
  version "1.0.4"
  resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.4.tgz#f864ae85004d0fcab6f50be9141c4da368d1656a"
@ -1279,6 +1329,21 @@
    "@ethereumjs/common" "^2.6.4"
    ethereumjs-util "^7.1.5"

+"@ethersproject/abi@5.0.7":
+  version "5.0.7"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.0.7.tgz#79e52452bd3ca2956d0e1c964207a58ad1a0ee7b"
+  integrity sha512-Cqktk+hSIckwP/W8O47Eef60VwmoSC/L3lY0+dIBhQPCNn9E4V7rwmm2aFrNRRDJfFlGuZ1khkQUOc3oBX+niw==
+  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/abi@5.7.0", "@ethersproject/abi@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.7.0.tgz#b3f3e045bbbeed1af3947335c247ad625a44e449"
@ -1318,7 +1383,7 @@
    "@ethersproject/logger" "^5.7.0"
    "@ethersproject/properties" "^5.7.0"

-"@ethersproject/address@5.7.0", "@ethersproject/address@^5.7.0":
+"@ethersproject/address@5.7.0", "@ethersproject/address@^5.0.4", "@ethersproject/address@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.7.0.tgz#19b56c4d74a3b0a46bfdbb6cfcc0a153fc697f37"
  integrity sha512-9wYhYt7aghVGo758POM5nqcOMaE168Q6aRLJZwUmiqSrAungkG74gSSeKEIR7ukixesdRZGPgVqme6vmxs1fkA==
@ -1344,7 +1409,7 @@
    "@ethersproject/bytes" "^5.7.0"
    "@ethersproject/properties" "^5.7.0"

-"@ethersproject/bignumber@5.7.0", "@ethersproject/bignumber@^5.7.0":
+"@ethersproject/bignumber@5.7.0", "@ethersproject/bignumber@^5.0.7", "@ethersproject/bignumber@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.7.0.tgz#e2f03837f268ba655ffba03a57853e18a18dc9c2"
  integrity sha512-n1CAdIHRWjSucQO3MC1zPSVgV/6dy/fjL9pMrPP9peL+QxEg9wOsVqwD4+818B6LUEtaXzVHQiuivzRoxPxUGw==
@ -1353,14 +1418,14 @@
    "@ethersproject/logger" "^5.7.0"
    bn.js "^5.2.1"

-"@ethersproject/bytes@5.7.0", "@ethersproject/bytes@^5.7.0":
+"@ethersproject/bytes@5.7.0", "@ethersproject/bytes@^5.0.4", "@ethersproject/bytes@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.7.0.tgz#a00f6ea8d7e7534d6d87f47188af1148d71f155d"
  integrity sha512-nsbxwgFXWh9NyYWo+U8atvmMsSdKJprTcICAkvbBffT75qDocbuggBU0SJiVK2MuTrp0q+xvLkTnGMPK1+uA9A==
  dependencies:
    "@ethersproject/logger" "^5.7.0"

-"@ethersproject/constants@5.7.0", "@ethersproject/constants@^5.7.0":
+"@ethersproject/constants@5.7.0", "@ethersproject/constants@^5.0.4", "@ethersproject/constants@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.7.0.tgz#df80a9705a7e08984161f09014ea012d1c75295e"
  integrity sha512-DHI+y5dBNvkpYUMiRQyxRBYBefZkJfo70VUkUAsRjcPs47muV9evftfZ0PJVCXYbAiCgght0DtcF9srFQmIgWA==
@ -1383,7 +1448,7 @@
    "@ethersproject/properties" "^5.7.0"
    "@ethersproject/transactions" "^5.7.0"

-"@ethersproject/hash@5.7.0", "@ethersproject/hash@^5.7.0":
+"@ethersproject/hash@5.7.0", "@ethersproject/hash@^5.0.4", "@ethersproject/hash@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.7.0.tgz#eb7aca84a588508369562e16e514b539ba5240a7"
  integrity sha512-qX5WrQfnah1EFnO5zJv1v46a8HW0+E5xuBBDTwMFZLuVTx0tbU2kkx15NqdjxecrLGatQN9FGQKpb1FKdHCt+g==
@ -1435,7 +1500,7 @@
    aes-js "3.0.0"
    scrypt-js "3.0.1"

-"@ethersproject/keccak256@5.7.0", "@ethersproject/keccak256@^5.7.0":
+"@ethersproject/keccak256@5.7.0", "@ethersproject/keccak256@^5.0.3", "@ethersproject/keccak256@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.7.0.tgz#3186350c6e1cd6aba7940384ec7d6d9db01f335a"
  integrity sha512-2UcPboeL/iW+pSg6vZ6ydF8tCnv3Iu/8tUmLLzWWGzxWKFFqOBQFLo6uLUv6BDrLgCDfN28RJ/wtByx+jZ4KBg==
@ -1443,7 +1508,7 @@
    "@ethersproject/bytes" "^5.7.0"
    js-sha3 "0.8.0"

-"@ethersproject/logger@5.7.0", "@ethersproject/logger@^5.7.0":
+"@ethersproject/logger@5.7.0", "@ethersproject/logger@^5.0.5", "@ethersproject/logger@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.7.0.tgz#6ce9ae168e74fecf287be17062b590852c311892"
  integrity sha512-0odtFdXu/XHtjQXJYA3u9G0G8btm0ND5Cu8M7i5vhEcE8/HmF4Lbdqanwyv4uQTr2tx6b7fQRmgLrsnpQlmnig==
@ -1463,7 +1528,7 @@
    "@ethersproject/bytes" "^5.7.0"
    "@ethersproject/sha2" "^5.7.0"

-"@ethersproject/properties@5.7.0", "@ethersproject/properties@^5.7.0":
+"@ethersproject/properties@5.7.0", "@ethersproject/properties@^5.0.3", "@ethersproject/properties@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.7.0.tgz#a6e12cb0439b878aaf470f1902a176033067ed30"
  integrity sha512-J87jy8suntrAkIZtecpxEPxY//szqr1mlBaYlQ0r4RCaiD2hjheqF9s1LVE8vVuJCXisjIP+JgtK/Do54ej4Sw==
@ -1545,7 +1610,7 @@
    "@ethersproject/sha2" "^5.7.0"
    "@ethersproject/strings" "^5.7.0"

-"@ethersproject/strings@5.7.0", "@ethersproject/strings@^5.7.0":
+"@ethersproject/strings@5.7.0", "@ethersproject/strings@^5.0.4", "@ethersproject/strings@^5.7.0":
  version "5.7.0"
  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.7.0.tgz#54c9d2a7c57ae8f1205c88a9d3a56471e14d5ed2"
  integrity sha512-/9nu+lj0YswRNSH0NXYqrh8775XNyEdUQAuf3f+SmOrnVewcJ5SBNAjF7lpgehKi4abvNNXyf+HX86czCdJ8Mg==
@ -2700,6 +2765,13 @@
  dependencies:
    "@babel/types" "^7.3.0"

+"@types/bn.js@*", "@types/bn.js@^5.1.0", "@types/bn.js@^5.1.1":
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-5.1.1.tgz#b51e1b55920a4ca26e9285ff79936bbdec910682"
+  integrity sha512-qNrYbZqMx0uJAfKnKclPh+dTwK33KfLHYqtyODwd5HnXOjnkhc4qgn3BrK6RWyGZm5+sIFE7Q7Vz6QQtJB7w7g==
+  dependencies:
+    "@types/node" "*"
+
 "@types/bn.js@^4.11.3":
  version "4.11.6"
  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.6.tgz#c306c70d9358aaea33cd4eda092a742b9505967c"
@ -2707,13 +2779,6 @@
  dependencies:
    "@types/node" "*"

-"@types/bn.js@^5.1.0", "@types/bn.js@^5.1.1":
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-5.1.1.tgz#b51e1b55920a4ca26e9285ff79936bbdec910682"
-  integrity sha512-qNrYbZqMx0uJAfKnKclPh+dTwK33KfLHYqtyODwd5HnXOjnkhc4qgn3BrK6RWyGZm5+sIFE7Q7Vz6QQtJB7w7g==
-  dependencies:
-    "@types/node" "*"
-
 "@types/connect@^3.4.33":
  version "3.4.35"
  resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.35.tgz#5fcf6ae445e4021d1fc2219a4873cc73a3bb2ad1"
@ -2721,6 +2786,20 @@
  dependencies:
    "@types/node" "*"

+"@types/debug@^4.1.5":
+  version "4.1.7"
+  resolved "https://registry.yarnpkg.com/@types/debug/-/debug-4.1.7.tgz#7cc0ea761509124709b8b2d1090d8f6c17aadb82"
+  integrity sha512-9AonUzyTjXXhEOa0DnqpzZi6VHlqKMswga9EXjpXnnqxwLtdvPPtlO8evrI5D9S6asFRCQ6v+wpiUKbw+vKqyg==
+  dependencies:
+    "@types/ms" "*"
+
+"@types/elliptic@^6.4.9":
+  version "6.4.14"
+  resolved "https://registry.yarnpkg.com/@types/elliptic/-/elliptic-6.4.14.tgz#7bbaad60567a588c1f08b10893453e6b9b4de48e"
+  integrity sha512-z4OBcDAU0GVwDTuwJzQCiL6188QvZMkvoERgcVjq0/mPM8jCfdwZ3x5zQEVoL9WCAru3aG5wl3Z5Ww5wBWn7ZQ==
+  dependencies:
+    "@types/bn.js" "*"
+
 "@types/eslint@^7.29.0":
  version "7.29.0"
  resolved "https://registry.yarnpkg.com/@types/eslint/-/eslint-7.29.0.tgz#e56ddc8e542815272720bb0b4ccc2aff9c3e1c78"
@ -2746,6 +2825,14 @@
  dependencies:
    "@types/node" "*"

+"@types/ethereumjs-util@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@types/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz#f49fe8114789ec0871721392c09318c3eb56671b"
+  integrity sha512-qwQgQqXXTRv2h2AlJef+tMEszLFkCB9dWnrJYIdAwqjubERXEc/geB+S3apRw0yQyTVnsBf8r6BhlrE8vx+3WQ==
+  dependencies:
+    "@types/bn.js" "*"
+    "@types/node" "*"
+
 "@types/glob@^7.1.1":
  version "7.2.0"
  resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.2.0.tgz#bc1b5bf3aa92f25bd5dd39f35c57361bdce5b2eb"
@ -2821,6 +2908,11 @@
  resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-5.1.2.tgz#07508b45797cb81ec3f273011b054cd0755eddca"
  integrity sha512-K0VQKziLUWkVKiRVrx4a40iPaxTUefQmjtkQofBkYRcoaaL/8rhwDWww9qWbrgicNOgnpIsMxyNIUM4+n6dUIA==

+"@types/ms@*":
+  version "0.7.31"
+  resolved "https://registry.yarnpkg.com/@types/ms/-/ms-0.7.31.tgz#31b7ca6407128a3d2bbc27fe2d21b345397f6197"
+  integrity sha512-iiUgKzV9AuaEkZqkOLDIvlQiL6ltuZd9tGcW3gwpnX8JbuiuhFlEGmmFXEXkN50Cvq7Os88IY2v0dkDqXYWVgA==
+
 "@types/node@*", "@types/node@>=13.7.0":
  version "18.11.9"
  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.11.9.tgz#02d013de7058cea16d36168ef2fc653464cfbad4"
@ -2831,6 +2923,11 @@
  resolved "https://registry.yarnpkg.com/@types/node/-/node-11.11.6.tgz#df929d1bb2eee5afdda598a41930fe50b43eaa6a"
  integrity sha512-Exw4yUWMBXM3X+8oqzJNRqZSwUAaS4+7NdvHqQuFi/d+synz++xmX3QIf+BFqneW8N31R8Ky+sikfZUXq07ggQ==

+"@types/node@^10.12.18":
+  version "10.17.60"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.60.tgz#35f3d6213daed95da7f0f73e75bcc6980e90597b"
+  integrity sha512-F0KIgDJfy2nA3zMLmWGKxcH2ZVEtCZXHHdOQs2gSaQ27+lNeEfGxzkIw90aXswATX7AZ33tahPbzy6KAfUreVw==
+
 "@types/node@^12.12.54":
  version "12.20.55"
  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.55.tgz#c329cbd434c42164f846b909bd6f85b5537f6240"
@ -2972,6 +3069,11 @@
  dependencies:
    source-map "^0.6.1"

+"@types/utf8@^2.1.6":
+  version "2.1.6"
+  resolved "https://registry.yarnpkg.com/@types/utf8/-/utf8-2.1.6.tgz#430cabb71a42d0a3613cce5621324fe4f5a25753"
+  integrity sha512-pRs2gYF5yoKYrgSaira0DJqVg2tFuF+Qjp838xS7K+mJyY2jJzjsrl6y17GbIa4uMRogMbxs+ghNCvKg6XyNrA==
+
 "@types/webpack-sources@*":
  version "3.2.0"
  resolved "https://registry.yarnpkg.com/@types/webpack-sources/-/webpack-sources-3.2.0.tgz#16d759ba096c289034b26553d2df1bf45248d38b"
@ -4290,6 +4392,11 @@ bignumber.js@9.0.1:
  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.1.tgz#8d7ba124c882bfd8e43260c67475518d0689e4e5"
  integrity sha512-IdZR9mh6ahOBv/hYGiXyVuyCetmGJhtYkqLBpTStdhEGjegpPlUawydyaF3pbIOFynJTpllEs+NP+CS9jKFLjA==

+bignumber.js@^9.0.0:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.1.1.tgz#c4df7dc496bd849d4c9464344c1aa74228b4dac6"
+  integrity sha512-pHm4LsMJ6lzgNGVfZHjMoO8sdoRhOzOH4MLmY65Jg70bpxCKu5iOHNJyfF6OyvYw7t8Fpf35RuzUyqnQsj8Vig==
+
 binary-extensions@^1.0.0:
  version "1.13.1"
  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
@ -4357,7 +4464,12 @@ bluebird@^3.5.5:
  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==

-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.11.0, bn.js@^4.11.8, bn.js@^4.11.9:
+bn.js@4.11.6:
+  version "4.11.6"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
+  integrity sha512-XWwnNNFCuuSQ0m3r3C4LE3EiORltHd9M05pq6FOlVeiophzRbMo50Sbz1ehl8K3Z+jw9+vmgnXefY1hz8X+2wA==
+
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.11.0, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.11.9:
  version "4.12.0"
  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
@ -4573,6 +4685,11 @@ buffer-indexof@^1.0.0:
  resolved "https://registry.yarnpkg.com/buffer-indexof/-/buffer-indexof-1.1.1.tgz#52fabcc6a606d1a00302802648ef68f639da268c"
  integrity sha512-4/rOEg86jivtPTeOUUT61jJO1Ya1TrR/OkqCSZDyq84WJh3LuuiphBYJN+fm5xufIk4XAFcEwte/8WzC8If/1g==

+buffer-to-arraybuffer@^0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz#6064a40fa76eb43c723aba9ef8f6e1216d10511a"
+  integrity sha512-3dthu5CYiVB1DEJp61FtApNnNndTckcqe4pFcLdvHtrpG+kcyekCJKg4MRiDcFW7A6AODnXB9U4dwQiCW5kzJQ==
+
 buffer-xor@^1.0.3:
  version "1.0.3"
  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
@ -5575,6 +5692,13 @@ decode-uri-component@^0.2.0:
  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
  integrity sha512-hjf+xovcEn31w/EUYdTXQh/8smFL/dzYjohQGEIgjyNavaJfBY2p5F527Bo1VPATxv0VYTUC2bOcXvqFwk78Og==

+decompress-response@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-3.3.0.tgz#80a4dd323748384bfa248083622aedec982adff3"
+  integrity sha512-BzRPQuY1ip+qDonAOz42gRm/pg9F768C+npV/4JOsxRC2sq+Rlk+Q4ZCAsOhnIaMrgarILY+RMUIvMmmX1qAEA==
+  dependencies:
+    mimic-response "^1.0.0"
+
 dedent@^0.7.0:
  version "0.7.0"
  resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.7.0.tgz#2495ddbaf6eb874abb0e1be9df22d2e5a544326c"
@ -5798,6 +5922,11 @@ dom-serializer@^1.0.1:
    domhandler "^4.2.0"
    entities "^2.0.0"

+dom-walk@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.2.tgz#0c548bef048f4d1f2a97249002236060daa3fd84"
+  integrity sha512-6QvTW9mrGeIegrFXdtQi9pk7O/nSK6lSdXW2eqUspN5LWD7UTji2Fqw5V2YLjBpHEoU9Xl/eUWNpDeZvoyOv2w==
+
 domain-browser@^1.1.1:
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
@ -5925,7 +6054,7 @@ electron-to-chromium@^1.3.564, electron-to-chromium@^1.4.251:
  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.284.tgz#61046d1e4cab3a25238f6bf7413795270f125592"
  integrity sha512-M8WEXFuKXMYMVr45fo8mq0wUrrJHheiKZf6BArTKk9ZBYCKJEOU5H8cdWgDT+qCVZf7Na4lVUaZsA+h6uA9+PA==

-elliptic@6.5.4, elliptic@^6.5.2, elliptic@^6.5.3, elliptic@^6.5.4:
+elliptic@6.5.4, elliptic@^6.4.0, elliptic@^6.5.2, elliptic@^6.5.3, elliptic@^6.5.4:
  version "6.5.4"
  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
@ -6515,6 +6644,15 @@ etag@~1.8.1:
  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
  integrity sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg==

+eth-lib@0.2.8, eth-lib@^0.2.8:
+  version "0.2.8"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.8.tgz#b194058bef4b220ad12ea497431d6cb6aa0623c8"
+  integrity sha512-ArJ7x1WcWOlSpzdoTBX8vkwlkSQ85CjjifSZtV4co64vWxSV8geWfPI9x4SVYu3DSxnX4yWFVTtGL+j9DUFLNw==
+  dependencies:
+    bn.js "^4.11.6"
+    elliptic "^6.4.0"
+    xhr-request-promise "^0.1.2"
+
 eth-sig-util@^2.5.3:
  version "2.5.4"
  resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-2.5.4.tgz#577b01fe491b6bf59b0464be09633e20c1677bc5"
@ -6525,6 +6663,13 @@ eth-sig-util@^2.5.3:
    tweetnacl "^1.0.3"
    tweetnacl-util "^0.15.0"

+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"
+  integrity sha512-rxJ5OFN3RwjQxDcFP2Z5+Q9ho4eIdEmSc2ht0fCu8Se9nbXjZ7/031uXoUYJ87KHCOdVeiUuwSnoS7hmYAGVHA==
+  dependencies:
+    js-sha3 "^0.8.0"
+
 ethereum-cryptography@^0.1.3:
  version "0.1.3"
  resolved "https://registry.yarnpkg.com/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz#8d6143cfc3d74bf79bbd8edecdf29e4ae20dd191"
@ -6553,7 +6698,7 @@ ethereumjs-abi@0.6.8:
    bn.js "^4.11.8"
    ethereumjs-util "^6.0.0"

-ethereumjs-util@^5.1.1:
+ethereumjs-util@^5.1.1, ethereumjs-util@^5.2.0:
  version "5.2.1"
  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz#a833f0e5fca7e5b361384dc76301a721f537bf65"
  integrity sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==
@ -6626,6 +6771,14 @@ ethers@^5.3.0:
    "@ethersproject/web" "5.7.1"
    "@ethersproject/wordlists" "5.7.0"

+ethjs-unit@0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"
+  integrity sha512-/Sn9Y0oKl0uqQuvgFk/zQgR7aw1g36qX/jzSQ5lSwlO0GigPymk4eGQfeNTD03w1dPOqfz8V77Cy43jH56pagw==
+  dependencies:
+    bn.js "4.11.6"
+    number-to-bn "1.7.0"
+
 ethjs-util@0.1.6, ethjs-util@^0.1.3:
  version "0.1.6"
  resolved "https://registry.yarnpkg.com/ethjs-util/-/ethjs-util-0.1.6.tgz#f308b62f185f9fe6237132fb2a9818866a5cd536"
@ -7036,6 +7189,11 @@ forwarded@0.2.0:
  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
  integrity sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==

+fp-ts@^2.13.1:
+  version "2.13.1"
+  resolved "https://registry.yarnpkg.com/fp-ts/-/fp-ts-2.13.1.tgz#1bf2b24136cca154846af16752dc29e8fa506f2a"
+  integrity sha512-0eu5ULPS2c/jsa1lGFneEFFEdTbembJv8e4QKXeVJ3lm/5hyve06dlKZrpxmMwJt6rYen7sxmHHK2CLaXvWuWQ==
+
 fragment-cache@^0.2.1:
  version "0.2.1"
  resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@ -7262,6 +7420,14 @@ global-prefix@^3.0.0:
    kind-of "^6.0.2"
    which "^1.3.1"

+global@~4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/global/-/global-4.4.0.tgz#3e7b105179006a323ed71aafca3e9c57a5cc6406"
+  integrity sha512-wv/LAoHdRE3BeTGz53FAamhGlPLhlssK45usmGFThIi4XqnBmjKQ16u+RNbP7WvigRZDxUsM0J3gcQ5yicaL0w==
+  dependencies:
+    min-document "^2.19.0"
+    process "^0.11.10"
+
 globals@^11.1.0:
  version "11.12.0"
  resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
@ -7788,6 +7954,11 @@ internal-slot@^1.0.3:
    has "^1.0.3"
    side-channel "^1.0.4"

+io-ts@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/io-ts/-/io-ts-2.0.1.tgz#1261c12f915c2f48d16393a36966636b48a45aa1"
+  integrity sha512-RezD+WcCfW4VkMkEcQWL/Nmy/nqsWTvTYg7oUmTGzglvSSV2P9h2z1PVeREPFf0GWNzruYleAt1XCMQZSg1xxQ==
+
 ip-regex@^2.1.0:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-2.1.0.tgz#fa78bf5d2e6913c911ce9f819ee5146bb6d844e9"
@ -7986,6 +8157,11 @@ is-fullwidth-code-point@^3.0.0:
  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz#f116f8064fe90b3f7844a38997c0b75051269f1d"
  integrity sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==

+is-function@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-function/-/is-function-1.0.2.tgz#4f097f30abf6efadac9833b17ca5dc03f8144e08"
+  integrity sha512-lw7DUp0aWXYg+CBCN+JKkcE0Q2RayZnSvnZBlwgxHBQhqt5pZNVy4Ri7H9GmmXkdu7LUthszM+Tor1u/2iBcpQ==
+
 is-generator-fn@^2.0.0:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/is-generator-fn/-/is-generator-fn-2.1.0.tgz#7d140adc389aaf3011a8f2a2a4cfa6faadffb118"
@ -9374,6 +9550,18 @@ mimic-fn@^2.1.0:
  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
  integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==

+mimic-response@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
+  integrity sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==
+
+min-document@^2.19.0:
+  version "2.19.0"
+  resolved "https://registry.yarnpkg.com/min-document/-/min-document-2.19.0.tgz#7bd282e3f5842ed295bb748cdd9f1ffa2c824685"
+  integrity sha512-9Wy1B3m3f66bPPmU5hdA4DR4PB2OfDU/+GS3yAB7IQozE3tqXaVv2zOjgla7MEGSRv95+ILmOuvhLkOK6wJtCQ==
+  dependencies:
+    dom-walk "^0.1.0"
+
 mini-css-extract-plugin@0.11.3:
  version "0.11.3"
  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.11.3.tgz#15b0910a7f32e62ffde4a7430cfefbd700724ea6"
@ -9793,6 +9981,14 @@ num2fraction@^1.2.2:
  resolved "https://registry.yarnpkg.com/num2fraction/-/num2fraction-1.2.2.tgz#6f682b6a027a4e9ddfa4564cd2589d1d4e669ede"
  integrity sha512-Y1wZESM7VUThYY+4W+X4ySH2maqcA+p7UR+w8VWNWVAd6lwuXXWz/w/Cz43J/dI2I+PS6wD5N+bJUF+gjWvIqg==

+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"
+  integrity sha512-wsJ9gfSz1/s4ZsJN01lyonwuxA1tml6X1yBDnfpMglypcBRFZZkus26EdPSlqS5GJfYddVZa22p3VNb3z5m5Ig==
+  dependencies:
+    bn.js "4.11.6"
+    strip-hex-prefix "1.0.0"
+
 nwsapi@^2.2.0:
  version "2.2.2"
  resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.2.2.tgz#e5418863e7905df67d51ec95938d67bf801f0bb0"
@ -10101,6 +10297,11 @@ parse-asn1@^5.0.0, parse-asn1@^5.1.5:
    pbkdf2 "^3.0.3"
    safe-buffer "^5.1.1"

+parse-headers@^2.0.0:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/parse-headers/-/parse-headers-2.0.5.tgz#069793f9356a54008571eb7f9761153e6c770da9"
+  integrity sha512-ft3iAoLOB/MlwbNXgzy43SWGP6sQki2jQvAyBg/zDFAgr9bfNWZIUj42Kw2eJIl8kEi4PbgE6U1Zau/HwI75HA==
+
 parse-json@^4.0.0:
  version "4.0.0"
  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
@ -11314,6 +11515,15 @@ query-string@^4.1.0:
    object-assign "^4.1.0"
    strict-uri-encode "^1.0.0"

+query-string@^5.0.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/query-string/-/query-string-5.1.1.tgz#a78c012b71c17e05f2e3fa2319dd330682efb3cb"
+  integrity sha512-gjWOsm2SoGlgLEdAGt7a6slVOk9mGiXmPFMqrEhLQ68rhQuBnpfs3+EmlvqKyxnCo9/PPlF+9MtY02S1aFg+Jw==
+  dependencies:
+    decode-uri-component "^0.2.0"
+    object-assign "^4.1.0"
+    strict-uri-encode "^1.0.0"
+
 querystring-es3@^0.2.0:
  version "0.2.1"
  resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
@ -12275,6 +12485,20 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.7.tgz#a9a1767f8af84155114eaabd73f99273c8f59ad9"
  integrity sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==

+simple-concat@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/simple-concat/-/simple-concat-1.0.1.tgz#f46976082ba35c2263f1c8ab5edfe26c41c9552f"
+  integrity sha512-cSFtAPtRhljv69IK0hTVZQ+OfE9nePi/rtJmw5UjHeVyVroEqJXP1sFztKUy1qU+xvz3u/sfYJLa947b7nAN2Q==
+
+simple-get@^2.7.0:
+  version "2.8.2"
+  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-2.8.2.tgz#5708fb0919d440657326cd5fe7d2599d07705019"
+  integrity sha512-Ijd/rV5o+mSBBs4F/x9oDPtTx9Zb6X9brmnXvMW4J7IR15ngi9q5xxqWBKU744jTZiaXtxaPL7uHG6vtN8kUkw==
+  dependencies:
+    decompress-response "^3.3.0"
+    once "^1.3.1"
+    simple-concat "^1.0.0"
+
 simple-swizzle@^0.2.2:
  version "0.2.2"
  resolved "https://registry.yarnpkg.com/simple-swizzle/-/simple-swizzle-0.2.2.tgz#a4da6b635ffcccca33f70d17cb92592de95e557a"
@ -13019,6 +13243,11 @@ thunky@^1.0.2:
  resolved "https://registry.yarnpkg.com/thunky/-/thunky-1.1.0.tgz#5abaf714a9405db0504732bbccd2cedd9ef9537d"
  integrity sha512-eHY7nBftgThBqOyHGVN+l8gF0BucP09fMo0oO/Lb0w1OF80dJv+lDVpXG60WMQvkcxAkNybKsrEIE3ZtKGmPrA==

+timed-out@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
+  integrity sha512-G7r3AhovYtr5YKOWQkta8RKAPb+J9IsO4uVmzjl8AZwfhs8UcUwTiD6gcJYSgOtzyjvQKrKYn41syHbUWMkafA==
+
 timers-browserify@^2.0.4:
  version "2.0.12"
  resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.12.tgz#44a45c11fbf407f34f97bccd1577c652361b00ee"
@ -13260,6 +13489,11 @@ unbox-primitive@^1.0.2:
    has-symbols "^1.0.3"
    which-boxed-primitive "^1.0.2"

+underscore@1.12.1:
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
+  integrity sha512-hEQt0+ZLDVUMhebKxL4x1BTtDY7bavVofhZ9KZ4aI26X9SRaE+Y3m83XUL1UP2jn8ynjndwCCpEHdUG+9pP1Tw==
+
 unicode-canonical-property-names-ecmascript@^2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz#301acdc525631670d39f6146e0e77ff6bbdebddc"
@ -13399,6 +13633,11 @@ url-parse@^1.5.10, url-parse@^1.5.3:
    querystringify "^2.1.1"
    requires-port "^1.0.0"

+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"
+  integrity sha512-3AChu4NiXquPfeckE5R5cGdiHCMWJx1dwCWOmWIL4KHAziJNOFIYJlpGFeKDvwLPHovZRCxK3cYlwzqI9Vp+Gg==
+
 url@^0.11.0:
  version "0.11.0"
  resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
@ -13424,6 +13663,11 @@ utf-8-validate@^5.0.2:
  dependencies:
    node-gyp-build "^4.3.0"

+utf8@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
+  integrity sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==
+
 util-deprecate@^1.0.1, util-deprecate@^1.0.2, util-deprecate@~1.0.1:
  version "1.0.2"
  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
@ -13588,6 +13832,29 @@ web-vitals@^0.2.4:
  resolved "https://registry.yarnpkg.com/web-vitals/-/web-vitals-0.2.4.tgz#ec3df43c834a207fd7cdefd732b2987896e08511"
  integrity sha512-6BjspCO9VriYy12z356nL6JBS0GYeEcA457YyRzD+dD6XYCQ75NKhcOHUMHentOE7OcVCIXXDvOm0jKFfQG2Gg==

+web3-eth-abi@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.3.6.tgz#4272ca48d817aa651bbf97b269f5ff10abc2b8a9"
+  integrity sha512-Or5cRnZu6WzgScpmbkvC6bfNxR26hqiKK4i8sMPFeTUABQcb/FU3pBj7huBLYbp9dH+P5W79D2MqwbWwjj9DoQ==
+  dependencies:
+    "@ethersproject/abi" "5.0.7"
+    underscore "1.12.1"
+    web3-utils "1.3.6"
+
+web3-utils@1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.3.6.tgz#390bc9fa3a7179746963cfaca55bb80ac4d8dc10"
+  integrity sha512-hHatFaQpkQgjGVER17gNx8u1qMyaXFZtM0y0XLGH1bzsjMPlkMPLRcYOrZ00rOPfTEuYFOdrpGOqZXVmGrMZRg==
+  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"
+    randombytes "^2.1.0"
+    underscore "1.12.1"
+    utf8 "3.0.0"
+
 webidl-conversions@^3.0.0:
  version "3.0.1"
  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
@ -14025,6 +14292,36 @@ ws@^8.5.0:
  resolved "https://registry.yarnpkg.com/ws/-/ws-8.11.0.tgz#6a0d36b8edfd9f96d8b25683db2f8d7de6e8e143"
  integrity sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==

+xhr-request-promise@^0.1.2:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/xhr-request-promise/-/xhr-request-promise-0.1.3.tgz#2d5f4b16d8c6c893be97f1a62b0ed4cf3ca5f96c"
+  integrity sha512-YUBytBsuwgitWtdRzXDDkWAXzhdGB8bYm0sSzMPZT7Z2MBjMSTHFsyCT1yCRATY+XC69DUrQraRAEgcoCRaIPg==
+  dependencies:
+    xhr-request "^1.1.0"
+
+xhr-request@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/xhr-request/-/xhr-request-1.1.0.tgz#f4a7c1868b9f198723444d82dcae317643f2e2ed"
+  integrity sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==
+  dependencies:
+    buffer-to-arraybuffer "^0.0.5"
+    object-assign "^4.1.1"
+    query-string "^5.0.1"
+    simple-get "^2.7.0"
+    timed-out "^4.0.1"
+    url-set-query "^1.0.0"
+    xhr "^2.0.4"
+
+xhr@^2.0.4:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/xhr/-/xhr-2.6.0.tgz#b69d4395e792b4173d6b7df077f0fc5e4e2b249d"
+  integrity sha512-/eCGLb5rxjx5e3mF1A7s+pLlR6CGyqWN91fv1JgER5mVWg1MZmlhBvy9kjcsOdRk8RrIujotWyJamfyrp+WIcA==
+  dependencies:
+    global "~4.4.0"
+    is-function "^1.0.1"
+    parse-headers "^2.0.0"
+    xtend "^4.0.0"
+
 xml-name-validator@^3.0.0:
  version "3.0.0"
  resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"