diff --git a/.env b/.env
new file mode 100644
index 0000000..b7b16c5
--- /dev/null
+++ b/.env
@@ -0,0 +1,4 @@
+MNEMONIC="call glow acoustic vintage front ring trade assist shuffle mimic volume reject"
+INFURA_TOKEN="a30ce8978acb4d7da82e6d7e6b71afb7"
+ETHERSCAN_KEY="HSR39CEBP479H5TBJTXR693XMATW8T68KE"
+BSCSCAN_KEY="JQX4RQZFG69R7UUWEACP5VGSI7ZVREDY8S"
diff --git a/migrations/1_initial_migration.js b/migrations/1_initial_migration.js
new file mode 100644
index 0000000..2296eb0
--- /dev/null
+++ b/migrations/1_initial_migration.js
@@ -0,0 +1,31 @@
+const Migrations = artifacts.require("Migrations");
+const PancakeFactory = artifacts.require("PancakeFactory");
+
+module.exports = async (deployer,net,addresses) => {
+  // await deployer.deploy(Migrations);
+  // const factory = await deployer.deploy(PancakeFactory, addresses[0]);
+  
+  // console.log('Factory: ', factory.address);
+  // console.log('INIT HASH: ', await factory.INIT_CODE_PAIR_HASH());
+
+  const factory = await PancakeFactory.deployed();
+  const lPToken = await factory.getPair('0x381316ed98bcd9E28661F953DECc22f910Fa98fD', '0x5683e8c773E9fD01CAa9bD59b74f7Ed925745774');
+
+  console.log('LPToken: ', lPToken);
+
+  //Local:
+//   Green Token:  0xA01DD36ec74A64D1069EE57e154964683a5C25De
+// Yellow Token:  0x543f5288F382aCc72D1743747f035Cb44bbBdD5b
+};
+
+// bscTestnet 12am 22-4-21
+// Factory:  0xD02F09b5131B9593BCBee5427562908f0F806Dda
+// INIT HASH:  0xf4c741b552690ebc6d0fbc9b0c881422ff1572ff8e78659b2f242021759f4e86
+
+// Green Token:  0x381316ed98bcd9E28661F953DECc22f910Fa98fD
+// Yellow Token:  0x5683e8c773E9fD01CAa9bD59b74f7Ed925745774
+
+// LP Token Green/Yellow Token 0xeC33E6421D7746E186EffFEEB02A9fE853c26d26
+
+// WETH 0x11E3E9f259e0273369542D1a1eE315e0EA065Cd0
+// Router01 0xCc58f119a8D0598EeEf19b6E5Bff07c9a0Bc4A17
diff --git a/package.json b/package.json
index c637bb0..8142c82 100644
--- a/package.json
+++ b/package.json
@@ -27,11 +27,15 @@
     "prettier": "^1.19.1",
     "rimraf": "^3.0.0",
     "solc": "0.5.16",
-    "truffle-plugin-verify": "^0.4.0",
+    "truffle-plugin-verify": "^0.4.6",
     "ts-node": "^8.5.4",
     "typescript": "^3.7.3"
   },
   "scripts": {
+    "deploy": "truffle migrate --network bscTestnet --reset && truffle run verify PancakeFactory --network bscTestnet",
+    "comment1": "        ",
+    "comment2": "        ",
+    "comment3": "        ",
     "lint": "yarn prettier ./test/*.ts --check",
     "lint:fix": "yarn prettier ./test/*.ts --write",
     "clean": "rimraf ./build/",
@@ -43,8 +47,10 @@
   },
   "license": "GPL-3.0-or-later",
   "dependencies": {
-    "truffle-hdwallet-provider": "^1.0.17",
+    "@truffle/hdwallet-provider": "^1.2.6",
+    "dotenv": "^8.2.0",
     "truffle": "^5.1.41",
-    "truffle-flattener": "^1.4.4"
+    "truffle-flattener": "^1.4.4",
+    "truffle-hdwallet-provider": "^1.0.17"
   }
 }
diff --git a/test/PancakeERC20.spec.ts b/test/PancakeERC20.spec.ts
index 1534922..2c772a4 100644
--- a/test/PancakeERC20.spec.ts
+++ b/test/PancakeERC20.spec.ts
@@ -1,14 +1,19 @@
-import chai, { expect } from 'chai'
-import { Contract } from 'ethers'
-import { MaxUint256 } from 'ethers/constants'
-import { bigNumberify, hexlify, keccak256, defaultAbiCoder, toUtf8Bytes } from 'ethers/utils'
-import { solidity, MockProvider, deployContract } from 'ethereum-waffle'
-import { ecsign } from 'ethereumjs-util'
-
-import { expandTo18Decimals, getApprovalDigest } from './shared/utilities'
-
-import ERC20 from '../build/ERC20.json'
-
+// const chai = require('chai');
+const expect = require('chai').expect;
+const {Contract} = require('ethers');
+const MaxUint256 = require('ethers/constants').MaxUint256;
+const bigNumberify = require('ethers/utils').bigNumberify;
+const hexlify = require('ethers/utils').hexlify;
+const keccak256 = require('ethers/utils').keccak256;
+const defaultAbiCoder = require('ethers/utils').defaultAbiCoder;
+const toUtf8Bytes = require('ethers/utils').toUtf8Bytes;
+const solidity = require('ethereum-waffle').solidity;
+const MockProvider = require('ethereum-waffle').MockProvider;
+const deployContract = require('ethereum-waffle').deployContract;
+const ecsign = require('ethereumjs-util').ecsign;
+const expandTo18Decimals = require('./shared/utilities').expandTo18Decimals;
+const getApprovalDigest = require('./shared/utilities').getApprovalDigest;
+const ERC20 = require('../build/ERC20.json');
 chai.use(solidity)
 
 const TOTAL_SUPPLY = expandTo18Decimals(10000)
@@ -22,7 +27,7 @@ describe('PancakeERC20', () => {
   })
   const [wallet, other] = provider.getWallets()
 
-  let token: Contract
+  let token = typeof Contract
   beforeEach(async () => {
     token = await deployContract(wallet, ERC20, [TOTAL_SUPPLY])
   })
diff --git a/truffle-config.js b/truffle-config.js
new file mode 100644
index 0000000..4d40b0e
--- /dev/null
+++ b/truffle-config.js
@@ -0,0 +1,85 @@
+var HDWalletProvider = require('@truffle/hdwallet-provider');
+require('dotenv').config();
+const MNEMONIC = process.env.MNEMONIC;
+const token = process.env.INFURA_TOKEN;
+const etherscanKey = process.env.BSCSCAN_KEY;
+
+module.exports = {
+  networks: {
+    develop: {
+      host: '127.0.0.1',
+      port: 8545,
+      network_id: '*',
+      gas: 6721975,
+    },
+    development: {
+      host: '127.0.0.1',
+      port: 7545,
+      network_id: '*',
+      gas: 6721975,
+    },
+    bscTestnet: {
+      provider: () => {
+        return new HDWalletProvider(
+          MNEMONIC,
+          'https://data-seed-prebsc-1-s1.binance.org:8545'
+        );
+      },
+      network_id: '97',
+    },
+
+    bscMainnet: {
+      provider: () => {
+        return new HDWalletProvider(
+          MNEMONIC,
+          'https://bsc-dataseed.binance.org'
+        );
+      },
+      network_id: '56',
+    },
+
+    mainnet: {
+      provider: () => {
+        return new HDWalletProvider(
+          MNEMONIC,
+          'https://mainnet.infura.io/v3/' + token
+        );
+      },
+      network_id: '1',
+    },
+    ropsten: {
+      provider: () => {
+        return new HDWalletProvider(
+          MNEMONIC,
+          'https://ropsten.infura.io/v3/' + token
+        );
+      },
+      network_id: '3',
+    },
+    kovan: {
+      provider: () => {
+        return new HDWalletProvider(
+          MNEMONIC,
+          'https://kovan.infura.io/v3/' + token
+        );
+      },
+      network_id: '42',
+      skipDryRun: true,
+    },
+  },
+  plugins: ['truffle-plugin-verify'],
+  api_keys: {
+    etherscan: etherscanKey,
+  },
+  compilers: {
+    solc: {
+      version: '0.6.12',
+      settings: {
+        optimizer: {
+          enabled: true,
+          runs: 200,
+        },
+      },
+    },
+  },
+};
diff --git a/yarn.lock b/yarn.lock
index 3fb73f8..dd200f3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,160 @@
 # yarn lockfile v1
 
 
+"@babel/code-frame@^7.12.13":
+  version "7.12.13"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.12.13.tgz#dcfc826beef65e75c50e21d3837d7d95798dd658"
+  integrity sha512-HV1Cm0Q3ZrpCR93tkWOYiuYIgLxZXZFVG2VgK+MBWjUqZTundupbfx2aXarXuw5Ko5aMcjtJgbSs4vUGBS5v6g==
+  dependencies:
+    "@babel/highlight" "^7.12.13"
+
+"@babel/compat-data@^7.13.11", "@babel/compat-data@^7.13.15":
+  version "7.13.15"
+  resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.13.15.tgz#7e8eea42d0b64fda2b375b22d06c605222e848f4"
+  integrity sha512-ltnibHKR1VnrU4ymHyQ/CXtNXI6yZC0oJThyW78Hft8XndANwi+9H+UIklBDraIjFEJzw8wmcM427oDd9KS5wA==
+
+"@babel/generator@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.13.16.tgz#0befc287031a201d84cdfc173b46b320ae472d14"
+  integrity sha512-grBBR75UnKOcUWMp8WoDxNsWCFl//XCK6HWTrBQKTr5SV9f5g0pNOjdyzi/DTBv12S9GnYPInIXQBTky7OXEMg==
+  dependencies:
+    "@babel/types" "^7.13.16"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
+"@babel/helper-compilation-targets@^7.13.0":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.13.16.tgz#6e91dccf15e3f43e5556dffe32d860109887563c"
+  integrity sha512-3gmkYIrpqsLlieFwjkGgLaSHmhnvlAYzZLlYVjlW+QwI+1zE17kGxuJGmIqDQdYp56XdmGeD+Bswx0UTyG18xA==
+  dependencies:
+    "@babel/compat-data" "^7.13.15"
+    "@babel/helper-validator-option" "^7.12.17"
+    browserslist "^4.14.5"
+    semver "^6.3.0"
+
+"@babel/helper-define-polyfill-provider@^0.2.0":
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-define-polyfill-provider/-/helper-define-polyfill-provider-0.2.0.tgz#a640051772045fedaaecc6f0c6c69f02bdd34bf1"
+  integrity sha512-JT8tHuFjKBo8NnaUbblz7mIu1nnvUDiHVjXXkulZULyidvo/7P6TY7+YqpV37IfF+KUFxmlK04elKtGKXaiVgw==
+  dependencies:
+    "@babel/helper-compilation-targets" "^7.13.0"
+    "@babel/helper-module-imports" "^7.12.13"
+    "@babel/helper-plugin-utils" "^7.13.0"
+    "@babel/traverse" "^7.13.0"
+    debug "^4.1.1"
+    lodash.debounce "^4.0.8"
+    resolve "^1.14.2"
+    semver "^6.1.2"
+
+"@babel/helper-function-name@^7.12.13":
+  version "7.12.13"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.12.13.tgz#93ad656db3c3c2232559fd7b2c3dbdcbe0eb377a"
+  integrity sha512-TZvmPn0UOqmvi5G4vvw0qZTpVptGkB1GL61R6lKvrSdIxGm5Pky7Q3fpKiIkQCAtRCBUwB0PaThlx9vebCDSwA==
+  dependencies:
+    "@babel/helper-get-function-arity" "^7.12.13"
+    "@babel/template" "^7.12.13"
+    "@babel/types" "^7.12.13"
+
+"@babel/helper-get-function-arity@^7.12.13":
+  version "7.12.13"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.12.13.tgz#bc63451d403a3b3082b97e1d8b3fe5bd4091e583"
+  integrity sha512-DjEVzQNz5LICkzN0REdpD5prGoidvbdYk1BVgRUOINaWJP2t6avB27X1guXK1kXNrX0WMfsrm1A/ZBthYuIMQg==
+  dependencies:
+    "@babel/types" "^7.12.13"
+
+"@babel/helper-module-imports@^7.12.13", "@babel/helper-module-imports@^7.13.12":
+  version "7.13.12"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.13.12.tgz#c6a369a6f3621cb25da014078684da9196b61977"
+  integrity sha512-4cVvR2/1B693IuOvSI20xqqa/+bl7lqAMR59R4iu39R9aOX8/JoYY1sFaNvUMyMBGnHdwvJgUrzNLoUZxXypxA==
+  dependencies:
+    "@babel/types" "^7.13.12"
+
+"@babel/helper-plugin-utils@^7.13.0":
+  version "7.13.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.13.0.tgz#806526ce125aed03373bc416a828321e3a6a33af"
+  integrity sha512-ZPafIPSwzUlAoWT8DKs1W2VyF2gOWthGd5NGFMsBcMMol+ZhK+EQY/e6V96poa6PA/Bh+C9plWN0hXO1uB8AfQ==
+
+"@babel/helper-split-export-declaration@^7.12.13":
+  version "7.12.13"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.12.13.tgz#e9430be00baf3e88b0e13e6f9d4eaf2136372b05"
+  integrity sha512-tCJDltF83htUtXx5NLcaDqRmknv652ZWCHyoTETf1CXYJdPC7nohZohjUgieXhv0hTJdRf2FjDueFehdNucpzg==
+  dependencies:
+    "@babel/types" "^7.12.13"
+
+"@babel/helper-validator-identifier@^7.12.11":
+  version "7.12.11"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.12.11.tgz#c9a1f021917dcb5ccf0d4e453e399022981fc9ed"
+  integrity sha512-np/lG3uARFybkoHokJUmf1QfEvRVCPbmQeUQpKow5cQ3xWrV9i3rUHodKDJPQfTVX61qKi+UdYk8kik84n7XOw==
+
+"@babel/helper-validator-option@^7.12.17":
+  version "7.12.17"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-option/-/helper-validator-option-7.12.17.tgz#d1fbf012e1a79b7eebbfdc6d270baaf8d9eb9831"
+  integrity sha512-TopkMDmLzq8ngChwRlyjR6raKD6gMSae4JdYDB8bByKreQgG0RBTuKe9LRxW3wFtUnjxOPRKBDwEH6Mg5KeDfw==
+
+"@babel/highlight@^7.12.13":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.13.10.tgz#a8b2a66148f5b27d666b15d81774347a731d52d1"
+  integrity sha512-5aPpe5XQPzflQrFwL1/QoeHkP2MsA4JCntcXHRhEsdsfPVkvPi2w7Qix4iV7t5S/oC9OodGrggd8aco1g3SZFg==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.12.11"
+    chalk "^2.0.0"
+    js-tokens "^4.0.0"
+
+"@babel/parser@^7.12.13", "@babel/parser@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.16.tgz#0f18179b0448e6939b1f3f5c4c355a3a9bcdfd37"
+  integrity sha512-6bAg36mCwuqLO0hbR+z7PHuqWiCeP7Dzg73OpQwsAB1Eb8HnGEz5xYBzCfbu+YjoaJsJs+qheDxVAuqbt3ILEw==
+
+"@babel/plugin-transform-runtime@^7.5.5":
+  version "7.13.15"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.13.15.tgz#2eddf585dd066b84102517e10a577f24f76a9cd7"
+  integrity sha512-d+ezl76gx6Jal08XngJUkXM4lFXK/5Ikl9Mh4HKDxSfGJXmZ9xG64XT2oivBzfxb/eQ62VfvoMkaCZUKJMVrBA==
+  dependencies:
+    "@babel/helper-module-imports" "^7.13.12"
+    "@babel/helper-plugin-utils" "^7.13.0"
+    babel-plugin-polyfill-corejs2 "^0.2.0"
+    babel-plugin-polyfill-corejs3 "^0.2.0"
+    babel-plugin-polyfill-regenerator "^0.2.0"
+    semver "^6.3.0"
+
+"@babel/runtime@^7.5.5":
+  version "7.13.17"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.13.17.tgz#8966d1fc9593bf848602f0662d6b4d0069e3a7ec"
+  integrity sha512-NCdgJEelPTSh+FEFylhnP1ylq848l1z9t9N0j1Lfbcw0+KXGjsTvUmkxy+voLLXB5SOKMbLLx4jxYliGrYQseA==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
+"@babel/template@^7.12.13":
+  version "7.12.13"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.12.13.tgz#530265be8a2589dbb37523844c5bcb55947fb327"
+  integrity sha512-/7xxiGA57xMo/P2GVvdEumr8ONhFOhfgq2ihK3h1e6THqzTAkHbkXgB0xI9yeTfIUoH3+oAeHhqm/I43OTbbjA==
+  dependencies:
+    "@babel/code-frame" "^7.12.13"
+    "@babel/parser" "^7.12.13"
+    "@babel/types" "^7.12.13"
+
+"@babel/traverse@^7.13.0":
+  version "7.13.17"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.13.17.tgz#c85415e0c7d50ac053d758baec98b28b2ecfeea3"
+  integrity sha512-BMnZn0R+X6ayqm3C3To7o1j7Q020gWdqdyP50KEoVqaCO2c/Im7sYZSmVgvefp8TTMQ+9CtwuBp0Z1CZ8V3Pvg==
+  dependencies:
+    "@babel/code-frame" "^7.12.13"
+    "@babel/generator" "^7.13.16"
+    "@babel/helper-function-name" "^7.12.13"
+    "@babel/helper-split-export-declaration" "^7.12.13"
+    "@babel/parser" "^7.13.16"
+    "@babel/types" "^7.13.17"
+    debug "^4.1.0"
+    globals "^11.1.0"
+
+"@babel/types@^7.12.13", "@babel/types@^7.13.12", "@babel/types@^7.13.16", "@babel/types@^7.13.17":
+  version "7.13.17"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.13.17.tgz#48010a115c9fba7588b4437dd68c9469012b38b4"
+  integrity sha512-RawydLgxbOPDlTLJNtoIypwdmAy//uQIzlKt2+iBiJaRlVuI6QLUxVAyWGNfOzp8Yu4L4lLIacoCyTNtpb4wiA==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.12.11"
+    to-fast-properties "^2.0.0"
+
 "@ethereum-waffle/chai@^2.4.1":
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/@ethereum-waffle/chai/-/chai-2.4.1.tgz#47a6cc2eebaca775b169b524a6dc0cfcf3d3c22d"
@@ -118,6 +272,98 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@truffle/hdwallet-provider@^1.2.6":
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/@truffle/hdwallet-provider/-/hdwallet-provider-1.2.6.tgz#249cfdb291e9b6ce6f0444a60bc4b0f06e87b627"
+  integrity sha512-g4n1ETH2y7KlqQYq0PMjuHaLxggU96RSj1p3i6dGCAgONyPyA+TD1wyot8M2dXp+RG/VVzZoVTuyFGyBs5EhXw==
+  dependencies:
+    "@trufflesuite/web3-provider-engine" "15.0.13-1"
+    any-promise "^1.3.0"
+    bindings "^1.5.0"
+    ethereum-cryptography "^0.1.3"
+    ethereum-protocol "^1.0.1"
+    ethereumjs-tx "^1.0.0"
+    ethereumjs-util "^6.1.0"
+    ethereumjs-wallet "^1.0.1"
+
+"@trufflesuite/eth-json-rpc-filters@^4.1.2-1":
+  version "4.1.2-1"
+  resolved "https://registry.yarnpkg.com/@trufflesuite/eth-json-rpc-filters/-/eth-json-rpc-filters-4.1.2-1.tgz#61ab78c52e98a883e5cf086925b34a30297b1824"
+  integrity sha512-/MChvC5dw2ck9NU1cZmdovCz2VKbOeIyR4tcxDvA5sT+NaL0rA2/R5U0yI7zsbo1zD+pgqav77rQHTzpUdDNJQ==
+  dependencies:
+    "@trufflesuite/eth-json-rpc-middleware" "^4.4.2-0"
+    await-semaphore "^0.1.3"
+    eth-query "^2.1.2"
+    json-rpc-engine "^5.1.3"
+    lodash.flatmap "^4.5.0"
+    safe-event-emitter "^1.0.1"
+
+"@trufflesuite/eth-json-rpc-infura@^4.0.3-0":
+  version "4.0.3-0"
+  resolved "https://registry.yarnpkg.com/@trufflesuite/eth-json-rpc-infura/-/eth-json-rpc-infura-4.0.3-0.tgz#6d22122937cf60ec9d21a02351c101fdc608c4fe"
+  integrity sha512-xaUanOmo0YLqRsL0SfXpFienhdw5bpQ1WEXxMTRi57az4lwpZBv4tFUDvcerdwJrxX9wQqNmgUgd1BrR01dumw==
+  dependencies:
+    "@trufflesuite/eth-json-rpc-middleware" "^4.4.2-1"
+    cross-fetch "^2.1.1"
+    eth-json-rpc-errors "^1.0.1"
+    json-rpc-engine "^5.1.3"
+
+"@trufflesuite/eth-json-rpc-middleware@^4.4.2-0", "@trufflesuite/eth-json-rpc-middleware@^4.4.2-1":
+  version "4.4.2-1"
+  resolved "https://registry.yarnpkg.com/@trufflesuite/eth-json-rpc-middleware/-/eth-json-rpc-middleware-4.4.2-1.tgz#8c3638ed8a7ed89a1e5e71407de068a65bef0df2"
+  integrity sha512-iEy9H8ja7/8aYES5HfrepGBKU9n/Y4OabBJEklVd/zIBlhCCBAWBqkIZgXt11nBXO/rYAeKwYuE3puH3ByYnLA==
+  dependencies:
+    "@trufflesuite/eth-sig-util" "^1.4.2"
+    btoa "^1.2.1"
+    clone "^2.1.1"
+    eth-json-rpc-errors "^1.0.1"
+    eth-query "^2.1.2"
+    ethereumjs-block "^1.6.0"
+    ethereumjs-tx "^1.3.7"
+    ethereumjs-util "^5.1.2"
+    ethereumjs-vm "^2.6.0"
+    fetch-ponyfill "^4.0.0"
+    json-rpc-engine "^5.1.3"
+    json-stable-stringify "^1.0.1"
+    pify "^3.0.0"
+    safe-event-emitter "^1.0.1"
+
+"@trufflesuite/eth-sig-util@^1.4.2":
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/@trufflesuite/eth-sig-util/-/eth-sig-util-1.4.2.tgz#b529e2f38ac08e652116f48981132a26242a4f08"
+  integrity sha512-+GyfN6b0LNW77hbQlH3ufZ/1eCON7mMrGym6tdYf7xiNw9Vv3jBO72bmmos1EId2NgBvPMhmYYm6DSLQFTmzrA==
+  dependencies:
+    ethereumjs-abi "^0.6.8"
+    ethereumjs-util "^5.1.1"
+
+"@trufflesuite/web3-provider-engine@15.0.13-1":
+  version "15.0.13-1"
+  resolved "https://registry.yarnpkg.com/@trufflesuite/web3-provider-engine/-/web3-provider-engine-15.0.13-1.tgz#f6a7f7131a2fdc4ab53976318ed13ce83e8e4bcb"
+  integrity sha512-6u3x/iIN5fyj8pib5QTUDmIOUiwAGhaqdSTXdqCu6v9zo2BEwdCqgEJd1uXDh3DBmPRDfiZ/ge8oUPy7LerpHg==
+  dependencies:
+    "@trufflesuite/eth-json-rpc-filters" "^4.1.2-1"
+    "@trufflesuite/eth-json-rpc-infura" "^4.0.3-0"
+    "@trufflesuite/eth-json-rpc-middleware" "^4.4.2-1"
+    "@trufflesuite/eth-sig-util" "^1.4.2"
+    async "^2.5.0"
+    backoff "^2.5.0"
+    clone "^2.0.0"
+    cross-fetch "^2.1.0"
+    eth-block-tracker "^4.4.2"
+    eth-json-rpc-errors "^2.0.2"
+    ethereumjs-block "^1.2.2"
+    ethereumjs-tx "^1.2.0"
+    ethereumjs-util "^5.1.5"
+    ethereumjs-vm "^2.3.4"
+    json-stable-stringify "^1.0.1"
+    promise-to-callback "^1.0.0"
+    readable-stream "^2.2.9"
+    request "^2.85.0"
+    semaphore "^1.0.3"
+    ws "^5.1.1"
+    xhr "^2.2.0"
+    xtend "^4.0.1"
+
 "@types/bignumber.js@^5.0.0":
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/@types/bignumber.js/-/bignumber.js-5.0.0.tgz#d9f1a378509f3010a3255e9cc822ad0eeb4ab969"
@@ -132,6 +378,13 @@
   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"
+  integrity sha512-QSSVYj7pYFN49kW77o2s9xTCwZ8F2xLbjLLSEVh8D2F4JUhZtPAGOFLTD+ffqksBx/u4cE/KImFjyhqCjn/LIA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/chai@^4.2.6":
   version "4.2.7"
   resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.7.tgz#1c8c25cbf6e59ffa7d6b9652c78e547d9a41692d"
@@ -177,6 +430,20 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.35.tgz#1e61b226c14380f4384f70cfe49a65c2c553ad2b"
   integrity sha512-ASYsaKecA7TUsDrqIGPNk3JeEox0z/0XR/WsJJ8BIX/9+SkMSImQXKWfU/yBrSyc7ZSE/NPqLu36Nur0miCFfQ==
 
+"@types/pbkdf2@^3.0.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/pbkdf2/-/pbkdf2-3.1.0.tgz#039a0e9b67da0cdc4ee5dab865caa6b267bb66b1"
+  integrity sha512-Cf63Rv7jCQ0LaL8tNXmEyqTHuIJxRdlS5vMh1mj5voN4+QFhVZnlZruezqpWYDiJ8UTzhP0VmeLXCmBk66YrMQ==
+  dependencies:
+    "@types/node" "*"
+
+"@types/secp256k1@^4.0.1":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@types/secp256k1/-/secp256k1-4.0.2.tgz#20c29a87149d980f64464e56539bf4810fdb5d1d"
+  integrity sha512-QMg+9v0bbNJ2peLuHRWxzmy0HRJIG6gFZNhaRSp7S3ggSbCCxiqQB2/ybvhXyhHOCequpNkrx7OavNhrWOsW0A==
+  dependencies:
+    "@types/node" "*"
+
 "@web3-js/scrypt-shim@^0.1.0":
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/@web3-js/scrypt-shim/-/scrypt-shim-0.1.0.tgz#0bf7529ab6788311d3e07586f7d89107c3bea2cc"
@@ -262,7 +529,7 @@ ansi-colors@4.1.1:
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.1.tgz#cbb9ae256bf750af1eab344f229aa27fe94ba348"
   integrity sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==
 
-ansi-regex@^2.0.0, ansi-regex@^2.1.1:
+ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
   integrity sha1-w7M6te42DYbg5ijwRorn7yfWVN8=
@@ -297,11 +564,6 @@ ansi-styles@^4.1.0:
     "@types/color-name" "^1.1.1"
     color-convert "^2.0.1"
 
-antlr4ts@^0.5.0-alpha.3:
-  version "0.5.0-alpha.3"
-  resolved "https://registry.yarnpkg.com/antlr4ts/-/antlr4ts-0.5.0-alpha.3.tgz#fa6d39d88d6b96341a8afef45867af9abcb38766"
-  integrity sha512-La89tKkGcHFIVuruv4Bm1esc3zLmES2NOTEwwNS1pudz+zx/0FNqQeUu9p48i9/QHKPVqjN87LB+q3buTg7oDQ==
-
 any-promise@1.3.0, any-promise@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
@@ -409,6 +671,11 @@ asynckit@^0.4.0:
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
 
+await-semaphore@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/await-semaphore/-/await-semaphore-0.1.3.tgz#2b88018cc8c28e06167ae1cdff02504f1f9688d3"
+  integrity sha512-d1W2aNSYcz/sxYO4pMGX9vq65qOTu0P800epMud+6cYYX0QcT7zyqcxec3VWzpgvdXo57UWmVbZpLMjX2m1I7Q==
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
@@ -419,12 +686,12 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.9.1.tgz#7e33d8f7d449b3f673cd72deb9abdc552dbe528e"
   integrity sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug==
 
-axios@0.19.2:
-  version "0.19.2"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.2.tgz#3ea36c5d8818d0d5f8a8a97a6d36b86cdc00cb27"
-  integrity sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==
+axios@^0.21.1:
+  version "0.21.1"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.1.tgz#22563481962f4d6bde9a76d516ef0e5d3c09b2b8"
+  integrity sha512-dKQiRHxGD9PPRIUNIWvZhPTPpl1rf/OxTYKsqKUDjBwYylTvV7SjSHJb9ratfyzM6wCdLCOYLzs73qpg5c4iGA==
   dependencies:
-    follow-redirects "1.5.10"
+    follow-redirects "^1.10.0"
 
 babel-code-frame@^6.26.0:
   version "6.26.0"
@@ -601,6 +868,30 @@ babel-plugin-check-es2015-constants@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
+babel-plugin-polyfill-corejs2@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs2/-/babel-plugin-polyfill-corejs2-0.2.0.tgz#686775bf9a5aa757e10520903675e3889caeedc4"
+  integrity sha512-9bNwiR0dS881c5SHnzCmmGlMkJLl0OUZvxrxHo9w/iNoRuqaPjqlvBf4HrovXtQs/au5yKkpcdgfT1cC5PAZwg==
+  dependencies:
+    "@babel/compat-data" "^7.13.11"
+    "@babel/helper-define-polyfill-provider" "^0.2.0"
+    semver "^6.1.1"
+
+babel-plugin-polyfill-corejs3@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-corejs3/-/babel-plugin-polyfill-corejs3-0.2.0.tgz#f4b4bb7b19329827df36ff56f6e6d367026cb7a2"
+  integrity sha512-zZyi7p3BCUyzNxLx8KV61zTINkkV65zVkDAFNZmrTCRVhjo1jAS+YLvDJ9Jgd/w2tsAviCwFHReYfxO3Iql8Yg==
+  dependencies:
+    "@babel/helper-define-polyfill-provider" "^0.2.0"
+    core-js-compat "^3.9.1"
+
+babel-plugin-polyfill-regenerator@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-polyfill-regenerator/-/babel-plugin-polyfill-regenerator-0.2.0.tgz#853f5f5716f4691d98c84f8069c7636ea8da7ab8"
+  integrity sha512-J7vKbCuD2Xi/eEHxquHN14bXAW9CXtecwuLrOIDJtcZzTaPzV1VdEfoUf9AzcRBMolKUQKM9/GVojeh0hFiqMg==
+  dependencies:
+    "@babel/helper-define-polyfill-provider" "^0.2.0"
+
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
@@ -1019,6 +1310,11 @@ bl@^1.0.0:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
+blakejs@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/blakejs/-/blakejs-1.1.0.tgz#69df92ef953aa88ca51a32df6ab1c54a155fc7a5"
+  integrity sha1-ad+S75U6qIylGjLfarHFShVfx6U=
+
 bluebird@^3.5.0:
   version "3.7.2"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
@@ -1034,6 +1330,11 @@ bn.js@4.11.8, bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.10.0, bn.js@^4.
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
   integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
 
+bn.js@^5.1.2:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.0.tgz#358860674396c6997771a9d051fcc1b57d4ae002"
+  integrity sha512-D7iWRBvnZE8ecXiLj/9wbxH7Tk79fAh8IHaTNq1RWRixsS02W+5qS+iE9yq6RYl0asXx5tw0bLhmT5pIfbSquw==
+
 body-parser@1.19.0, body-parser@^1.16.0:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
@@ -1075,7 +1376,7 @@ browser-stdout@1.3.1:
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
   integrity sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6:
+browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6, browserify-aes@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
@@ -1143,6 +1444,17 @@ browserslist@^3.2.6:
     caniuse-lite "^1.0.30000844"
     electron-to-chromium "^1.3.47"
 
+browserslist@^4.14.5, browserslist@^4.16.4:
+  version "4.16.4"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.16.4.tgz#7ebf913487f40caf4637b892b268069951c35d58"
+  integrity sha512-d7rCxYV8I9kj41RH8UKYnvDYCRENUlHRgyXy/Rhr/1BaeLGfiCptEdFE8MIrvGfWbBFNjVYx76SQWvNX1j+/cQ==
+  dependencies:
+    caniuse-lite "^1.0.30001208"
+    colorette "^1.2.2"
+    electron-to-chromium "^1.3.712"
+    escalade "^3.1.1"
+    node-releases "^1.1.71"
+
 bs58@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-2.0.1.tgz#55908d58f1982aba2008fa1bed8f91998a29bf8d"
@@ -1164,6 +1476,11 @@ bs58check@^2.1.2:
     create-hash "^1.1.0"
     safe-buffer "^5.1.2"
 
+btoa@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/btoa/-/btoa-1.2.1.tgz#01a9909f8b2c93f6bf680ba26131eb30f7fa3d73"
+  integrity sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g==
+
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
@@ -1268,6 +1585,11 @@ caniuse-lite@^1.0.30000844:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001041.tgz#c2ea138dafc6fe03877921ddcddd4a02a14daf76"
   integrity sha512-fqDtRCApddNrQuBxBS7kEiSGdBsgO4wiVw4G/IClfqzfhW45MbTumfN4cuUJGTM0YGFNn97DCXPJ683PS6zwvA==
 
+caniuse-lite@^1.0.30001208:
+  version "1.0.30001214"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001214.tgz#70f153c78223515c6d37a9fde6cd69250da9d872"
+  integrity sha512-O2/SCpuaU3eASWVaesQirZv1MSjUNOvmugaD8zNSJqw6Vv5SGwoOpA9LJs3pNPfM745nxqPvfZY3MQKY4AKHYg==
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -1296,7 +1618,7 @@ chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.1:
+chalk@^2.0.0, chalk@^2.0.1:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
@@ -1358,19 +1680,7 @@ circular@^1.0.5:
   resolved "https://registry.yarnpkg.com/circular/-/circular-1.0.5.tgz#7da77af98bbde9ce4b5b358cd556b5dded2d3149"
   integrity sha1-fad6+Yu96c5LWzWM1Va13e0tMUk=
 
-cli-color@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/cli-color/-/cli-color-1.4.0.tgz#7d10738f48526824f8fe7da51857cb0f572fe01f"
-  integrity sha512-xu6RvQqqrWEo6MPR1eixqGPywhYBHRs653F9jfXB2Hx4jdM/3WxiNE1vppRmxtMIfl16SFYTpYlrnqH/HsK/2w==
-  dependencies:
-    ansi-regex "^2.1.1"
-    d "1"
-    es5-ext "^0.10.46"
-    es6-iterator "^2.0.3"
-    memoizee "^0.4.14"
-    timers-ext "^0.1.5"
-
-cli-logger@0.5.40:
+cli-logger@^0.5.40:
   version "0.5.40"
   resolved "https://registry.yarnpkg.com/cli-logger/-/cli-logger-0.5.40.tgz#097f0e11b072c7c698a26c47f588a29c20b48b0b"
   integrity sha1-CX8OEbByx8aYomxH9YiinCC0iws=
@@ -1406,7 +1716,7 @@ clone-response@^1.0.2:
   dependencies:
     mimic-response "^1.0.0"
 
-clone@2.1.2, clone@^2.0.0:
+clone@2.1.2, clone@^2.0.0, clone@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
   integrity sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=
@@ -1443,6 +1753,11 @@ color-name@~1.1.4:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
+colorette@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
+  integrity sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==
+
 combined-stream@^1.0.6, combined-stream@^1.0.8, combined-stream@~1.0.6:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
@@ -1460,11 +1775,6 @@ commander@3.0.2:
   resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
   integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
 
-commander@^4.0.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-4.1.1.tgz#9fd602bd936294e9e9ef46a3f4d6964044b18068"
-  integrity sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==
-
 commander@~2.8.1:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
@@ -1521,6 +1831,14 @@ cookiejar@^2.1.1:
   resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.2.tgz#dd8a235530752f988f9a0844f3fc589e3111125c"
   integrity sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA==
 
+core-js-compat@^3.9.1:
+  version "3.10.2"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.10.2.tgz#0a675b4e1cde599616322a72c8886bcf696f3ec3"
+  integrity sha512-IGHnpuaM1N++gLSPI1F1wu3WXICPxSyj/Q++clcwsIOnUVp5uKUIPl/+6h0TQ112KU3fMiSxqJuM+OrCyKj5+A==
+  dependencies:
+    browserslist "^4.16.4"
+    semver "7.0.0"
+
 core-js-pure@^3.0.1:
   version "3.6.5"
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.6.5.tgz#c79e75f5e38dbc85a662d91eea52b8256d53b813"
@@ -1563,7 +1881,7 @@ create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2, create-hash@^1.2.0:
     ripemd160 "^2.0.1"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4, create-hmac@^1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
@@ -1636,12 +1954,12 @@ debug@4.1.1:
   dependencies:
     ms "^2.1.1"
 
-debug@=3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
+debug@^4.1.0:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.1.tgz#f0d229c505e0c6d8c49ac553d1b13dc183f6b2ee"
+  integrity sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==
   dependencies:
-    ms "2.0.0"
+    ms "2.1.2"
 
 debug@^4.1.1:
   version "4.2.0"
@@ -1771,10 +2089,10 @@ defined@~1.0.0:
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
   integrity sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=
 
-delay@4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/delay/-/delay-4.3.0.tgz#efeebfb8f545579cb396b3a722443ec96d14c50e"
-  integrity sha512-Lwaf3zVFDMBop1yDuFZ19F9WyGcZcGacsbdlZtWjQmM50tOcMntm1njF/Nb/Vjij3KaSvCF+sEYGKrrjObu2NA==
+delay@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/delay/-/delay-5.0.0.tgz#137045ef1b96e5071060dd5be60bf9334436bd1d"
+  integrity sha512-ReEBKkIfe4ya47wlPYf/gu5ib6yUG0/Aez0JQZQz94kiWtRQvZIQbTiehsnwHvLSWJnQdhVeqYue7Id1dKr0qw==
 
 delayed-stream@~1.0.0:
   version "1.0.0"
@@ -1830,6 +2148,11 @@ dom-walk@^0.1.0:
   resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.2.tgz#0c548bef048f4d1f2a97249002236060daa3fd84"
   integrity sha512-6QvTW9mrGeIegrFXdtQi9pk7O/nSK6lSdXW2eqUspN5LWD7UTji2Fqw5V2YLjBpHEoU9Xl/eUWNpDeZvoyOv2w==
 
+dotenv@^8.2.0:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.2.0.tgz#97e619259ada750eea3e4ea3e26bceea5424b16a"
+  integrity sha512-8sJ78ElpbDJBHNeBzUbUVLsqKdccaa/BXF1uPTw3GrvQTBgrQrtObr2mUrE38vzYd8cEv+m/JBfDLioYcfXoaw==
+
 dotignore@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/dotignore/-/dotignore-0.1.2.tgz#f942f2200d28c3a76fbdd6f0ee9f3257c8a2e905"
@@ -1869,6 +2192,11 @@ electron-to-chromium@^1.3.47:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.406.tgz#d4b8f8c9f7405dddbbb646d6b15042cd7c1e6e61"
   integrity sha512-bx8vBZoEbhsMmwEZIj2twzfhFoKKZlSLQiENhqgc5/FdAj4/UHEzAri42OTSFA5+0agLR03ReTvIms2dfZ7/Ew==
 
+electron-to-chromium@^1.3.712:
+  version "1.3.719"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.719.tgz#87166fee347a46a2557f19aadb40a1d68241e61c"
+  integrity sha512-heM78GKSqrIzO9Oz0/y22nTBN7bqSP1Pla2SyU9DiSnQD+Ea9SyyN5RWWlgqsqeBLNDkSlE9J9EHFmdMPzxB/g==
+
 elliptic@6.3.3:
   version "6.3.3"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.3.3.tgz#5482d9646d54bcb89fd7d994fc9e2e9568876e3f"
@@ -1995,7 +2323,7 @@ es-to-primitive@^1.2.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es5-ext@^0.10.35, es5-ext@^0.10.45, es5-ext@^0.10.46, es5-ext@^0.10.50, es5-ext@~0.10.14, es5-ext@~0.10.2, es5-ext@~0.10.46:
+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"
   integrity sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==
@@ -2004,7 +2332,7 @@ es5-ext@^0.10.35, es5-ext@^0.10.45, es5-ext@^0.10.46, es5-ext@^0.10.50, es5-ext@
     es6-symbol "~3.1.3"
     next-tick "~1.0.0"
 
-es6-iterator@^2.0.3, es6-iterator@~2.0.3:
+es6-iterator@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
   integrity sha1-p96IkUGgWpSwhUQDstCg+/qY87c=
@@ -2021,15 +2349,10 @@ es6-symbol@^3.1.1, es6-symbol@~3.1.3:
     d "^1.0.1"
     ext "^1.1.2"
 
-es6-weak-map@^2.0.2:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.3.tgz#b6da1f16cc2cc0d9be43e6bdbfc5e7dfcdf31d53"
-  integrity sha512-p5um32HOTO1kP+w7PRnB+5lQ43Z6muuMuIMffvDN8ZB4GcnjLBV6zGStpbASIMk4DCAvEaamhe2zhyCb/QXXsA==
-  dependencies:
-    d "1"
-    es5-ext "^0.10.46"
-    es6-iterator "^2.0.3"
-    es6-symbol "^3.1.1"
+escalade@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
+  integrity sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==
 
 escape-html@~1.0.3:
   version "1.0.3"
@@ -2074,6 +2397,18 @@ eth-block-tracker@^3.0.0:
     pify "^2.3.0"
     tape "^4.6.3"
 
+eth-block-tracker@^4.4.2:
+  version "4.4.3"
+  resolved "https://registry.yarnpkg.com/eth-block-tracker/-/eth-block-tracker-4.4.3.tgz#766a0a0eb4a52c867a28328e9ae21353812cf626"
+  integrity sha512-A8tG4Z4iNg4mw5tP1Vung9N9IjgMNqpiMoJ/FouSFwNCGHv2X0mmOYwtQOJzki6XN7r7Tyo01S29p7b224I4jw==
+  dependencies:
+    "@babel/plugin-transform-runtime" "^7.5.5"
+    "@babel/runtime" "^7.5.5"
+    eth-query "^2.1.0"
+    json-rpc-random-id "^1.0.1"
+    pify "^3.0.0"
+    safe-event-emitter "^1.0.1"
+
 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"
@@ -2082,6 +2417,20 @@ eth-ens-namehash@2.0.8:
     idna-uts46-hx "^2.3.1"
     js-sha3 "^0.5.7"
 
+eth-json-rpc-errors@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-errors/-/eth-json-rpc-errors-1.1.1.tgz#148377ef55155585981c21ff574a8937f9d6991f"
+  integrity sha512-WT5shJ5KfNqHi9jOZD+ID8I1kuYWNrigtZat7GOQkvwo99f8SzAVaEcWhJUv656WiZOAg3P1RiJQANtUmDmbIg==
+  dependencies:
+    fast-safe-stringify "^2.0.6"
+
+eth-json-rpc-errors@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-errors/-/eth-json-rpc-errors-2.0.2.tgz#c1965de0301fe941c058e928bebaba2e1285e3c4"
+  integrity sha512-uBCRM2w2ewusRHGxN8JhcuOb2RN3ueAOYH/0BhqdFmQkZx5lj5+fLKTz0mIVOzd4FG5/kUksCzCD7eTEim6gaA==
+  dependencies:
+    fast-safe-stringify "^2.0.6"
+
 eth-json-rpc-infura@^3.1.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/eth-json-rpc-infura/-/eth-json-rpc-infura-3.2.1.tgz#26702a821067862b72d979c016fd611502c6057f"
@@ -2140,6 +2489,13 @@ eth-query@^2.0.2, eth-query@^2.1.0, eth-query@^2.1.2:
     json-rpc-random-id "^1.0.0"
     xtend "^4.0.1"
 
+eth-rpc-errors@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/eth-rpc-errors/-/eth-rpc-errors-3.0.0.tgz#d7b22653c70dbf9defd4ef490fd08fe70608ca10"
+  integrity sha512-iPPNHPrLwUlR9xCSYm7HHQjWBasor3+KZfRvwEWxMz3ca0yqnlBeJrnyphkGIXZ4J7AMAaOLmwy4AWhnxOiLxg==
+  dependencies:
+    fast-safe-stringify "^2.0.6"
+
 eth-sig-util@2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-2.3.0.tgz#c54a6ac8e8796f7e25f59cf436982a930e645231"
@@ -2203,6 +2559,32 @@ ethereum-common@^0.0.18:
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
   integrity sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=
 
+ethereum-cryptography@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz#8d6143cfc3d74bf79bbd8edecdf29e4ae20dd191"
+  integrity sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==
+  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"
+
+ethereum-protocol@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ethereum-protocol/-/ethereum-protocol-1.0.1.tgz#b7d68142f4105e0ae7b5e178cf42f8d4dc4b93cf"
+  integrity sha512-3KLX1mHuEsBW0dKG+c6EOJS1NBNqdCICvZW9sInmZTt5aY0oxmHVggYRE0lJu1tcnMD1K+AKHdLi6U43Awm1Vg==
+
 ethereum-waffle@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/ethereum-waffle/-/ethereum-waffle-2.4.1.tgz#db13376d5d366a0b3e8813cb64956a4682cbe144"
@@ -2229,7 +2611,7 @@ ethereumjs-abi@0.6.7:
     bn.js "^4.11.8"
     ethereumjs-util "^6.0.0"
 
-"ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
+ethereumjs-abi@^0.6.8, "ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
   version "0.6.8"
   resolved "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b"
   dependencies:
@@ -2305,7 +2687,7 @@ ethereumjs-tx@2.1.2, ethereumjs-tx@^2.1.1, ethereumjs-tx@^2.1.2:
     ethereumjs-common "^1.5.0"
     ethereumjs-util "^6.0.0"
 
-ethereumjs-tx@^1.1.1, ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2, ethereumjs-tx@^1.3.3:
+ethereumjs-tx@^1.0.0, ethereumjs-tx@^1.1.1, ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2, ethereumjs-tx@^1.3.3, ethereumjs-tx@^1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz#88323a2d875b10549b8347e09f4862b546f3d89a"
   integrity sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==
@@ -2350,6 +2732,31 @@ ethereumjs-util@^5.0.0, ethereumjs-util@^5.0.1, ethereumjs-util@^5.1.1, ethereum
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
+ethereumjs-util@^6.1.0:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz#fcb4e4dd5ceacb9d2305426ab1a5cd93e3163b69"
+  integrity sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==
+  dependencies:
+    "@types/bn.js" "^4.11.3"
+    bn.js "^4.11.0"
+    create-hash "^1.1.2"
+    elliptic "^6.5.2"
+    ethereum-cryptography "^0.1.3"
+    ethjs-util "0.1.6"
+    rlp "^2.2.3"
+
+ethereumjs-util@^7.0.2:
+  version "7.0.10"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-7.0.10.tgz#5fb7b69fa1fda0acc59634cf39d6b0291180fc1f"
+  integrity sha512-c/xThw6A+EAnej5Xk5kOzFzyoSnw0WX0tSlZ6pAsfGVvQj3TItaDg9b1+Fz1RJXA+y2YksKwQnuzgt1eY6LKzw==
+  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"
+
 ethereumjs-util@~6.1.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz#e9c51e5549e8ebd757a339cc00f5380507e799c8"
@@ -2416,6 +2823,20 @@ ethereumjs-wallet@0.6.3:
     utf8 "^3.0.0"
     uuid "^3.3.2"
 
+ethereumjs-wallet@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-1.0.1.tgz#664a4bcacfc1291ca2703de066df1178938dba1c"
+  integrity sha512-3Z5g1hG1das0JWU6cQ9HWWTY2nt9nXCcwj7eXVNAHKbo00XAZO8+NHlwdgXDWrL0SXVQMvTWN8Q/82DRH/JhPw==
+  dependencies:
+    aes-js "^3.1.1"
+    bs58check "^2.1.2"
+    ethereum-cryptography "^0.1.3"
+    ethereumjs-util "^7.0.2"
+    randombytes "^2.0.6"
+    scrypt-js "^3.0.1"
+    utf8 "^3.0.0"
+    uuid "^3.3.2"
+
 ethers@4.0.0-beta.3:
   version "4.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.0-beta.3.tgz#15bef14e57e94ecbeb7f9b39dd0a4bd435bc9066"
@@ -2463,14 +2884,6 @@ ethjs-util@0.1.6, ethjs-util@^0.1.3:
     is-hex-prefixed "1.0.0"
     strip-hex-prefix "1.0.0"
 
-event-emitter@^0.3.5:
-  version "0.3.5"
-  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
-  integrity sha1-34xp7vFkeSPHFXuc6DhAYQsCzDk=
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-
 eventemitter3@3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.2.tgz#2d3d48f9c346698fce83a85d7d664e98535df6e7"
@@ -2564,6 +2977,11 @@ fast-json-stable-stringify@^2.0.0:
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
   integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
 
+fast-safe-stringify@^2.0.6:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/fast-safe-stringify/-/fast-safe-stringify-2.0.7.tgz#124aa885899261f68aedb42a7c080de9da608743"
+  integrity sha512-Utm6CdzT+6xsDk2m8S6uL8VHxNwI6Jub+e9NYTcAms28T84pTa25GJQV9j0CY0N1rM8hK4x6grpF2BQf+2qwVA==
+
 fd-slicer@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
@@ -2652,12 +3070,10 @@ flow-stoplight@^1.0.0:
   resolved "https://registry.yarnpkg.com/flow-stoplight/-/flow-stoplight-1.0.0.tgz#4a292c5bcff8b39fa6cc0cb1a853d86f27eeff7b"
   integrity sha1-SiksW8/4s5+mzAyxqFPYbyfu/3s=
 
-follow-redirects@1.5.10:
-  version "1.5.10"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
-  integrity sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==
-  dependencies:
-    debug "=3.1.0"
+follow-redirects@^1.10.0:
+  version "1.13.3"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.3.tgz#e5598ad50174c1bc4e872301e82ac2cd97f90267"
+  integrity sha512-DUgl6+HDzB0iEptNQEXLx/KhTmDb8tZUHSeLqpnjpknR70H0nC2t9N73BK6fN4hOvJ84pKlIQVQ4k5FFlBedKA==
 
 for-each@~0.3.3:
   version "0.3.3"
@@ -2724,15 +3140,6 @@ fs-extra@^4.0.2:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-extra@^8.0.1:
-  version "8.1.0"
-  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-8.1.0.tgz#49d43c45a88cd9677668cb7be1b46efdb8d2e1c0"
-  integrity sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==
-  dependencies:
-    graceful-fs "^4.2.0"
-    jsonfile "^4.0.0"
-    universalify "^0.1.0"
-
 fs-minipass@^1.2.5:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
@@ -2857,7 +3264,7 @@ glob@7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@7.1.6, glob@^7.1.2, glob@^7.1.3, glob@~7.1.6:
+glob@7.1.6, glob@^7.1.3, glob@~7.1.6:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
@@ -2877,6 +3284,11 @@ global@~4.3.0:
     min-document "^2.19.0"
     process "~0.5.1"
 
+globals@^11.1.0:
+  version "11.12.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
+  integrity sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==
+
 globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
@@ -2924,11 +3336,6 @@ graceful-fs@^4.1.10, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
   integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
 
-graceful-fs@^4.2.0:
-  version "4.2.4"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
-  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
-
 "graceful-readlink@>= 1.0.0":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
@@ -3009,7 +3416,7 @@ hash.js@1.1.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.0"
 
-hash.js@^1.0.0, hash.js@^1.0.3:
+hash.js@^1.0.0, hash.js@^1.0.3, hash.js@^1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
   integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
@@ -3180,6 +3587,13 @@ is-callable@^1.2.0:
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.1.tgz#4d1e21a4f437509d25ce55f8184350771421c96d"
   integrity sha512-wliAfSzx6V+6WfMOmus1xy0XvSgf/dlStkvTfq7F0g4bOIW0PSUbnyse3NhDwdyYS1ozfUtAAySqTws3z9Eqgg==
 
+is-core-module@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.2.0.tgz#97037ef3d52224d85163f5597b2b63d9afed981a"
+  integrity sha512-XRAfAdyyY5F5cOXn7hYQDqh2Xmii+DEfIcQGxK/uNwMHhIkPWO0g8msXcbzLe+MpGoR951MlqM/2iIlU4vKDdQ==
+  dependencies:
+    has "^1.0.3"
+
 is-date-object@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.2.tgz#bda736f2cd8fd06d32844e7743bfa7494c3bfd7e"
@@ -3247,11 +3661,6 @@ is-plain-obj@^1.1.0:
   resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
   integrity sha1-caUMhCnfync8kqOQpKA7OfzVHT4=
 
-is-promise@^2.1:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.2.2.tgz#39ab959ccbf9a774cf079f7b40c7a26f763135f1"
-  integrity sha512-+lP4/6lKUBfQjZ2pdxThZvLUAafmZb8OAxFb8XXtiQmS35INgr85hdOGoEs124ez1FCnZJt6jau/T+alh58QFQ==
-
 is-regex@^1.0.4, is-regex@^1.0.5, is-regex@~1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.5.tgz#39d589a358bf18967f726967120b8fc1aed74eae"
@@ -3364,7 +3773,7 @@ js-sha3@^0.6.1:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.6.1.tgz#5b89f77a7477679877f58c4a075240934b1f95c0"
   integrity sha1-W4n3enR3Z5h39YxKB1JAk0sflcA=
 
-"js-tokens@^3.0.0 || ^4.0.0":
+"js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
@@ -3400,6 +3809,11 @@ jsesc@^1.3.0:
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
   integrity sha1-RsP+yMGJKxKwgz25vHYiF226s0s=
 
+jsesc@^2.5.1:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-2.5.2.tgz#80564d2e483dacf6e8ef209650a67df3f0c283a4"
+  integrity sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==
+
 jsesc@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
@@ -3422,6 +3836,14 @@ json-rpc-engine@^3.4.0, json-rpc-engine@^3.6.0:
     promise-to-callback "^1.0.0"
     safe-event-emitter "^1.0.1"
 
+json-rpc-engine@^5.1.3:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/json-rpc-engine/-/json-rpc-engine-5.4.0.tgz#75758609d849e1dba1e09021ae473f3ab63161e5"
+  integrity sha512-rAffKbPoNDjuRnXkecTjnsE3xLLrb00rEkdgalINhaYVYIxDwWtvYBr9UFbhTvPB1B2qUOLoFd/cV6f4Q7mh7g==
+  dependencies:
+    eth-rpc-errors "^3.0.0"
+    safe-event-emitter "^1.0.1"
+
 json-rpc-error@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/json-rpc-error/-/json-rpc-error-2.0.0.tgz#a7af9c202838b5e905c7250e547f1aff77258a02"
@@ -3429,7 +3851,7 @@ json-rpc-error@^2.0.0:
   dependencies:
     inherits "^2.0.1"
 
-json-rpc-random-id@^1.0.0:
+json-rpc-random-id@^1.0.0, json-rpc-random-id@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-rpc-random-id/-/json-rpc-random-id-1.0.1.tgz#ba49d96aded1444dbb8da3d203748acbbcdec8c8"
   integrity sha1-uknZat7RRE27jaPSA3SKy7zeyMg=
@@ -3510,6 +3932,14 @@ keccak@^2.0.0:
     nan "^2.14.0"
     safe-buffer "^5.2.0"
 
+keccak@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/keccak/-/keccak-3.0.1.tgz#ae30a0e94dbe43414f741375cff6d64c8bea0bff"
+  integrity sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==
+  dependencies:
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+
 keccakjs@^0.2.0:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.3.tgz#5e4e969ce39689a3861f445d7752ee3477f9fe72"
@@ -3684,6 +4114,16 @@ locate-path@^6.0.0:
   dependencies:
     p-locate "^5.0.0"
 
+lodash.debounce@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
+  integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
+
+lodash.flatmap@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatmap/-/lodash.flatmap-4.5.0.tgz#ef8cbf408f6e48268663345305c6acc0b778702e"
+  integrity sha1-74y/QI9uSCaGYzRTBcaswLd4cC4=
+
 lodash@4.17.14:
   version "4.17.14"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.14.tgz#9ce487ae66c96254fe20b599f21b6816028078ba"
@@ -3749,13 +4189,6 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
-lru-queue@0.1:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/lru-queue/-/lru-queue-0.1.0.tgz#2738bd9f0d3cf4f84490c5736c48699ac632cda3"
-  integrity sha1-Jzi9nw089PhEkMVzbEhpmsYyzaM=
-  dependencies:
-    es5-ext "~0.10.2"
-
 ltgt@^2.1.2, ltgt@~2.2.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.2.1.tgz#f35ca91c493f7b73da0e07495304f17b31f87ee5"
@@ -3816,20 +4249,6 @@ memdown@~3.0.0:
     ltgt "~2.2.0"
     safe-buffer "~5.1.1"
 
-memoizee@^0.4.14:
-  version "0.4.14"
-  resolved "https://registry.yarnpkg.com/memoizee/-/memoizee-0.4.14.tgz#07a00f204699f9a95c2d9e77218271c7cd610d57"
-  integrity sha512-/SWFvWegAIYAO4NQMpcX+gcra0yEZu4OntmUdrBaWrJncxOqAziGFlHxc7yjKVK2uu3lpPW27P27wkR82wA8mg==
-  dependencies:
-    d "1"
-    es5-ext "^0.10.45"
-    es6-weak-map "^2.0.2"
-    event-emitter "^0.3.5"
-    is-promise "^2.1"
-    lru-queue "0.1"
-    next-tick "1"
-    timers-ext "^0.1.5"
-
 memorystream@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/memorystream/-/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
@@ -4064,16 +4483,16 @@ negotiator@0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
-next-tick@1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.1.0.tgz#1836ee30ad56d67ef281b22bd199f709449b35eb"
-  integrity sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ==
-
 next-tick@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
   integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
 
+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"
+  integrity sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA==
+
 node-environment-flags@1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/node-environment-flags/-/node-environment-flags-1.0.5.tgz#fa930275f5bf5dae188d6192b24b4c8bbac3d76a"
@@ -4100,11 +4519,21 @@ node-fetch@~1.7.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+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"
+  integrity sha512-MN6ZpzmfNCRM+3t57PTJHgHyw/h4OWnZ6mR8P5j/uZtqQr46RRuDE/P+g3n0YR/AiYXeWixZZzaip77gdICfRg==
+
 node-gyp-build@~3.7.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-3.7.0.tgz#daa77a4f547b9aed3e2aac779eaf151afd60ec8d"
   integrity sha512-L/Eg02Epx6Si2NXmedx+Okg+4UHqmaf3TNcxd50SF9NQGcJaON3AtU++kax69XV7YWz4tUspqZSAsVofhFKG2w==
 
+node-releases@^1.1.71:
+  version "1.1.71"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.71.tgz#cb1334b179896b1c89ecfdd4b725fb7bbdfc7dbb"
+  integrity sha512-zR6HoT6LrLCRBwukmrVbHv0EpEQjksO6GmFcZQQuCAy139BEsoVKPYnf3jongYW83fAa1torLGYwxxky/p28sg==
+
 normalize-path@^3.0.0, normalize-path@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
@@ -4341,6 +4770,17 @@ pathval@^1.1.0:
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
   integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
 
+pbkdf2@^3.0.17:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.1.2.tgz#dd822aa0887580e52f1a039dc3eda108efae3075"
+  integrity sha512-iuh7L6jA7JEGu2WxDwtQP1ddOpaJNC4KlDEFfdQajSGgGPNi4OyDc2R7QnbY2bR9QjBVGwgvTdNJZoE7RaxUMA==
+  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, pbkdf2@^3.0.9:
   version "3.0.17"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.17.tgz#976c206530617b14ebb32114239f7b09336e93a6"
@@ -4573,6 +5013,11 @@ querystring@0.2.0:
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
 
+querystring@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.1.tgz#40d77615bb09d16902a85c3e38aa8b5ed761c2dd"
+  integrity sha512-wkvS7mL/JMugcup3/rMitHmd9ecIGd2lhFhK9N3UUQ450h66d1r3Y9nvXzQAW1Lq+wyx61k/1pfKS5KuKiyEbg==
+
 randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5, randombytes@^2.0.6, randombytes@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
@@ -4658,6 +5103,11 @@ regenerator-runtime@^0.11.0:
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
   integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
 
+regenerator-runtime@^0.13.4:
+  version "0.13.7"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.7.tgz#cac2dacc8a1ea675feaabaeb8ae833898ae46f55"
+  integrity sha512-a54FxoJDIr27pgf7IgeQGxmqUNYrcV338lf/6gH456HZ/PhX+5BcwHXG9ajESmwe6WRO0tAzRUrRmNONWgkrew==
+
 regenerator-transform@^0.10.0:
   version "0.10.1"
   resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
@@ -4744,6 +5194,14 @@ require-main-filename@^2.0.0:
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
   integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
 
+resolve@^1.14.2:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
+  integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==
+  dependencies:
+    is-core-module "^2.2.0"
+    path-parse "^1.0.6"
+
 resolve@~1.15.1:
   version "1.15.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.1.tgz#27bdcdeffeaf2d6244b95bb0f9f4b4653451f3e8"
@@ -4794,6 +5252,13 @@ rlp@^2.0.0, rlp@^2.2.1, rlp@^2.2.2, rlp@^2.2.3:
   dependencies:
     bn.js "^4.11.1"
 
+rlp@^2.2.4:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.6.tgz#c80ba6266ac7a483ef1e69e8e2f056656de2fb2c"
+  integrity sha512-HAfAmL6SDYNWPUOJNrM500x4Thn4PZsEy5pijPh40U9WfNk0z15hUYzO9xVIMAdIHdFtD8CBDHd75Td1g36Mjg==
+  dependencies:
+    bn.js "^4.11.1"
+
 rustbn.js@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/rustbn.js/-/rustbn.js-0.2.0.tgz#8082cb886e707155fd1cb6f23bd591ab8d55d0ca"
@@ -4831,6 +5296,11 @@ scrypt-js@2.0.4:
   resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.4.tgz#32f8c5149f0797672e551c07e230f834b6af5f16"
   integrity sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw==
 
+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"
+  integrity sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==
+
 scrypt.js@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.3.0.tgz#6c62d61728ad533c8c376a2e5e3e86d41a95c4c0"
@@ -4873,6 +5343,15 @@ secp256k1@^3.0.1:
     nan "^2.14.0"
     safe-buffer "^5.1.2"
 
+secp256k1@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-4.0.2.tgz#15dd57d0f0b9fdb54ac1fa1694f40e5e9a54f4a1"
+  integrity sha512-UDar4sKvWAksIlfX3xIaQReADn+WFnHvbVujpcbr+9Sf/69odMwy2MUsz5CKLQgX9nsIyrjuxL2imVyoNHa3fg==
+  dependencies:
+    elliptic "^6.5.2"
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+
 seedrandom@3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/seedrandom/-/seedrandom-3.0.1.tgz#eb3dde015bcf55df05a233514e5df44ef9dce083"
@@ -4895,12 +5374,17 @@ semver@6.2.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.2.0.tgz#4d813d9590aaf8a9192693d6c85b9344de5901db"
   integrity sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==
 
+semver@7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.0.0.tgz#5f3ca35761e47e05b206c6daff2cf814f0316b8e"
+  integrity sha512-+GB6zVA9LWh6zovYQLALHwv5rb2PHGlJi3lfiqIHxR0uuwCgefcOJc59v9fv1w8GbStwxuuqqAjI9NMAOOgq1A==
+
 semver@^5.3.0, semver@^5.5.0, semver@^5.7.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
-semver@^6.3.0:
+semver@^6.1.1, semver@^6.1.2, semver@^6.3.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
@@ -5016,19 +5500,6 @@ slash@^1.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
   integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
 
-sol-merger@3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/sol-merger/-/sol-merger-3.1.0.tgz#547b282a616d106c0fa8869e0a275fd7db0213d8"
-  integrity sha512-4/JELeFlB8bcyqttRZ7pE/EGpevft9Q7IPjMaKLKMrj1exmdyt+1qSfuSXxueFXRZQxSd21u6DjEedDkOtQ5yQ==
-  dependencies:
-    antlr4ts "^0.5.0-alpha.3"
-    cli-color "^1.4.0"
-    commander "^4.0.1"
-    debug "^4.1.1"
-    fs-extra "^8.0.1"
-    glob "^7.1.2"
-    strip-json-comments "^3.0.1"
-
 solc@0.5.16:
   version "0.5.16"
   resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.16.tgz#6c8d710a3792ccc79db924606b558a1149b1c603"
@@ -5080,7 +5551,7 @@ source-map-support@^0.5.6:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
-source-map@^0.5.6, source-map@^0.5.7:
+source-map@^0.5.0, source-map@^0.5.6, source-map@^0.5.7:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
@@ -5245,11 +5716,6 @@ strip-json-comments@3.0.1:
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.0.1.tgz#85713975a91fb87bf1b305cca77395e40d2a64a7"
   integrity sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==
 
-strip-json-comments@^3.0.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
-  integrity sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==
-
 supports-color@6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.0.0.tgz#76cfe742cf1f41bb9b1c29ad03068c05b4c0e40a"
@@ -5366,14 +5832,6 @@ timed-out@^4.0.0, timed-out@^4.0.1:
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
   integrity sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=
 
-timers-ext@^0.1.5:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/timers-ext/-/timers-ext-0.1.7.tgz#6f57ad8578e07a3fb9f91d9387d65647555e25c6"
-  integrity sha512-b85NUNzTSdodShTIbky6ZF02e8STtVVfD+fu4aXXShEELpozH+bCpJLYMPZbsABN2wDH7fJpqIoXxJpzbf0NqQ==
-  dependencies:
-    es5-ext "~0.10.46"
-    next-tick "1"
-
 tmp@0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
@@ -5398,6 +5856,11 @@ to-fast-properties@^1.0.3:
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
   integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
 
+to-fast-properties@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
+  integrity sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=
+
 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"
@@ -5449,16 +5912,15 @@ truffle-hdwallet-provider@^1.0.17:
     web3 "1.2.1"
     websocket "^1.0.28"
 
-truffle-plugin-verify@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/truffle-plugin-verify/-/truffle-plugin-verify-0.4.0.tgz#5e93bc8fd8f07b2554d320c20811938e40dc1de9"
-  integrity sha512-wI6J8vB6DZYyqTouMCayGWwTqy5VZwLaZ/vGjRjtt1MdXDzfyeGw5UHJujjFQYU1hCDYt/0LmAVmBkWg9MBWmA==
+truffle-plugin-verify@^0.4.6:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/truffle-plugin-verify/-/truffle-plugin-verify-0.5.7.tgz#c684c0a78a0dad8bf00c631ba1ac41c53a7b5040"
+  integrity sha512-q26VTkrpzI0lS8D1j8nKG2+2cmTwc7rkDkdtvbWKAdUV+5Ijemgeo8PeQBNKKFsTqYo1ebG7IWTLE+B/7KFo1A==
   dependencies:
-    axios "0.19.2"
-    cli-logger "0.5.40"
-    delay "4.3.0"
-    querystring "0.2.0"
-    sol-merger "3.1.0"
+    axios "^0.21.1"
+    cli-logger "^0.5.40"
+    delay "^5.0.0"
+    querystring "^0.2.1"
 
 truffle@^5.1.41:
   version "5.1.45"