diff --git a/HARDHAT_README.md b/HARDHAT_README.md
index 383634f6..2420f1e7 100644
--- a/HARDHAT_README.md
+++ b/HARDHAT_README.md
@@ -22,7 +22,7 @@ Solidity code coverage plugin for [Hardhat](http://hardhat.org).
 $ npm install --save-dev solidity-coverage
 ```
 
-And add the following to your `.config.js`:
+And add the following to your `hardhat.config.js`:
 
 ```js
 require("solidity-coverage");
@@ -73,6 +73,7 @@ module.exports = {
 | onCompileComplete[<sup>*</sup>][14] | *Function* |  | Hook run *after* compilation completes, *before* tests are run. Useful if you have secondary compilation steps or need to modify built artifacts. [More...][23]|
 | onTestsComplete[<sup>*</sup>][14] | *Function* |  | Hook run *after* the tests complete, *before* Istanbul reports are generated. [More...][23]|
 | onIstanbulComplete[<sup>*</sup>][14] | *Function* |  | Hook run *after* the Istanbul reports are generated, *before* the ganache server is shut down. Useful if you need to clean resources up. [More...][23]|
+| configureYulOptimizer | *Boolean* | false | (Experimental) Setting to `true` should resolve "stack too deep" compiler errrors in large projects using ABIEncoderV2 |
 
 [<sup>*</sup> Advanced use][14]
 
diff --git a/README.md b/README.md
index 2980b98c..df6e3519 100644
--- a/README.md
+++ b/README.md
@@ -94,8 +94,8 @@ A working example can be found at [openzeppelin-contracts, here.][35]
 ## Command Options
 | Option <img width=200/> | Example <img width=750/>| Description <img width=1000/> |
 |--------------|------------------------------------|--------------------------------|
-| file | `--file="test/registry/*.js"`    | (Truffle) Filename or glob describing a subset of tests to run. (Globs must be enclosed by quotes.)|
-| testfiles  | `--testfiles "test/registry/*.ts"` | (Buidler) Test file(s) to run. (Globs must be enclosed by quotes.)|
+| file | `--file="test/registry/*.js"`    | (Truffle) Filename or glob describing a subset of tests to run. (Globs must be enclosed by quotes and use [globby matching patterns][38])|
+| testfiles  | `--testfiles "test/registry/*.ts"` | (Buidler) Test file(s) to run. (Globs must be enclosed by quotes and use [globby matching patterns][38])|
 | solcoverjs | `--solcoverjs ./../.solcover.js` | Relative path from working directory to config. Useful for monorepo packages that share settings. (Path must be "./" prefixed) |
 | network    | `--network development` | Use network settings defined in the Truffle or Buidler config |
 | temp[<sup>*</sup>][14]       | `--temp build`   | :warning: **Caution** :warning:  Path to a *disposable* folder to store compilation artifacts in. Useful when your test setup scripts include hard-coded paths to a build directory. [More...][14] |
@@ -129,6 +129,7 @@ module.exports = {
 | onCompileComplete[<sup>*</sup>][14] | *Function* |  | Hook run *after* compilation completes, *before* tests are run. Useful if you have secondary compilation steps or need to modify built artifacts. [More...][23]|
 | onTestsComplete[<sup>*</sup>][14] | *Function* |  | Hook run *after* the tests complete, *before* Istanbul reports are generated. [More...][23]|
 | onIstanbulComplete[<sup>*</sup>][14] | *Function* |  | Hook run *after* the Istanbul reports are generated, *before* the ganache server is shut down. Useful if you need to clean resources up. [More...][23]|
+| configureYulOptimizer | *Boolean* | false | (Experimental) Setting to `true` should resolve "stack too deep" compiler errrors in large projects using ABIEncoderV2 |
 
 [<sup>*</sup> Advanced use][14]
 
@@ -193,6 +194,10 @@ $ yarn
 + [@yxliang01](https://github.com/yxliang01)
 + [@maxsam4](https://github.com/maxsam4)
 + [@justinjmoses](https://github.com/justinjmoses)
++ [@JasoonS](https://github.com/https://github.com/JasoonS)
++ [@feuGeneA](https://github.com/https://github.com/feuGeneA)
++ [@Dylan-Kerler](https://github.com/Dylan-Kerler)
++ [@paulrberg](https://github.com/paulrberg)
 
 [1]: https://github.com/trufflesuite/ganache-core#options
 [2]: https://istanbul.js.org/docs/advanced/alternative-reporters/
@@ -231,4 +236,5 @@ $ yarn
 [35]: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/e5fbbda9bac49039847a7ed20c1d966766ecc64a/scripts/coverage.js
 [36]: https://hardhat.org/
 [37]: https://github.com/sc-forks/solidity-coverage/blob/master/HARDHAT_README.md
+[38]: https://github.com/sindresorhus/globby#globbing-patterns
 
diff --git a/lib/injector.js b/lib/injector.js
index 2887ac9f..c2682f11 100644
--- a/lib/injector.js
+++ b/lib/injector.js
@@ -47,7 +47,7 @@ class Injector {
   _getHashMethodDefinition(id, contract){
     const hash = web3Utils.keccak256(id).slice(0,10);
     const method = this._getMethodIdentifier(id);
-    return `\nfunction ${method}(bytes32 c__${hash}) public pure {}\n`;
+    return `\nfunction ${method}(bytes32 c__${hash}) internal pure {}\n`;
   }
 
   /**
diff --git a/package.json b/package.json
index fd2f9f96..aa783044 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "solidity-coverage",
-  "version": "0.7.16",
+  "version": "0.7.17",
   "description": "",
   "main": "plugins/nomiclabs.plugin.js",
   "bin": {
@@ -24,13 +24,13 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@solidity-parser/parser": "^0.12.0",
+    "@solidity-parser/parser": "^0.13.2",
     "@truffle/provider": "^0.2.24",
     "chalk": "^2.4.2",
     "death": "^1.1.0",
     "detect-port": "^1.3.0",
     "fs-extra": "^8.1.0",
-    "ganache-cli": "^6.11.0",
+    "ganache-cli": "^6.12.2",
     "ghost-testrpc": "^0.0.2",
     "global-modules": "^2.0.0",
     "globby": "^10.0.1",
@@ -53,7 +53,7 @@
     "@truffle/contract": "^4.0.36",
     "buidler-gas-reporter": "^0.1.3",
     "decache": "^4.5.1",
-    "hardhat": "^2.0.7",
+    "hardhat": "^2.5.0",
     "hardhat-gas-reporter": "^1.0.1",
     "mocha": "5.2.0",
     "nyc": "^14.1.1",
diff --git a/plugins/hardhat.plugin.js b/plugins/hardhat.plugin.js
index e7dbe14a..574e7abf 100644
--- a/plugins/hardhat.plugin.js
+++ b/plugins/hardhat.plugin.js
@@ -18,12 +18,13 @@ const {
 
 // Toggled true for `coverage` task only.
 let measureCoverage = false;
+let configureYulOptimizer = false;
 let instrumentedSources
 
 // UI for the task flags...
 const ui = new PluginUI();
 
-task(TASK_COMPILE_SOLIDITY_GET_COMPILER_INPUT).setAction(async (_, { config }, runSuper) => {
+subtask(TASK_COMPILE_SOLIDITY_GET_COMPILER_INPUT).setAction(async (_, { config }, runSuper) => {
   const solcInput = await runSuper();
   if (measureCoverage) {
     // The source name here is actually the global name in the solc input,
@@ -40,7 +41,7 @@ task(TASK_COMPILE_SOLIDITY_GET_COMPILER_INPUT).setAction(async (_, { config }, r
 });
 
 // Solidity settings are best set here instead of the TASK_COMPILE_SOLIDITY_GET_COMPILER_INPUT task.
-task(TASK_COMPILE_SOLIDITY_GET_COMPILATION_JOB_FOR_FILE).setAction(async (_, __, runSuper) => {
+subtask(TASK_COMPILE_SOLIDITY_GET_COMPILATION_JOB_FOR_FILE).setAction(async (_, __, runSuper) => {
   const compilationJob = await runSuper();
   if (measureCoverage && typeof compilationJob === "object") {
     if (compilationJob.solidityConfig.settings === undefined) {
@@ -58,6 +59,17 @@ task(TASK_COMPILE_SOLIDITY_GET_COMPILATION_JOB_FOR_FILE).setAction(async (_, __,
     settings.metadata.useLiteralContent = false;
     // Override optimizer settings for all compilers
     settings.optimizer.enabled = false;
+
+    // This is fixes a stack too deep bug in ABIEncoderV2
+    // Experimental because not sure this works as expected across versions....
+    if (configureYulOptimizer) {
+      settings.optimizer.details = {
+        yul: true,
+        yulDetails: {
+          stackAllocation: true,
+        },
+      }
+    }
   }
   return compilationJob;
 });
@@ -127,6 +139,7 @@ task("coverage", "Generates a code coverage report for tests")
     ui.report('compilation', []);
 
     config.temp = args.temp;
+    configureYulOptimizer = api.config.configureYulOptimizer;
 
     // With Hardhat >= 2.0.4, everything should automatically recompile
     // after solidity-coverage corrupts the artifacts.
diff --git a/plugins/resources/nomiclabs.utils.js b/plugins/resources/nomiclabs.utils.js
index 3e6d5f06..fde8c302 100644
--- a/plugins/resources/nomiclabs.utils.js
+++ b/plugins/resources/nomiclabs.utils.js
@@ -127,18 +127,19 @@ function configureHardhatEVMGas(networkConfig, api){
   networkConfig.blockGasLimit = api.gasLimitNumber;
   networkConfig.gas =  api.gasLimit;
   networkConfig.gasPrice = api.gasPrice;
+  networkConfig.initialBaseFeePerGas = 0;
 }
 
 function configureNetworkEnv(env, networkName, networkConfig, provider, isHardhatEVM){
   env.config.networks[networkName] = networkConfig;
   env.config.defaultNetwork = networkName;
 
-  env.network = {
+  env.network = Object.assign(env.network, {
     name: networkName,
     config: networkConfig,
     provider: provider,
     isHardhatEVM: isHardhatEVM
-  }
+  });
 
   env.ethereum = provider;
 
diff --git a/scripts/run-nomiclabs.sh b/scripts/run-nomiclabs.sh
index 72a42efd..aed4c3e3 100755
--- a/scripts/run-nomiclabs.sh
+++ b/scripts/run-nomiclabs.sh
@@ -28,25 +28,6 @@ fi
 
 echo "PR_PATH >>>>> $PR_PATH"
 
-echo ""
-echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
-echo "Simple buidler/buidler-trufflev5    "
-echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
-echo ""
-
-# Install buidler-e2e
-git clone https://github.com/sc-forks/buidler-e2e.git
-cd buidler-e2e
-npm install --silent
-
-# Install and run solidity-coverage @ PR
-npm install --save-dev --silent $PR_PATH
-cat package.json
-
-npx buidler coverage
-
-verifyCoverageExists
-
 echo ""
 echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
 echo "Simple hardhat/hardhat-trufflev5    "
diff --git a/test/integration/projects/solc-7/.solcover.js b/test/integration/projects/solc-7/.solcover.js
index 4be0bbdb..fc5a56be 100644
--- a/test/integration/projects/solc-7/.solcover.js
+++ b/test/integration/projects/solc-7/.solcover.js
@@ -1,5 +1,6 @@
 module.exports = {
   silent: process.env.SILENT ? true : false,
   skipFiles: ['skipped-folder'],
-  istanbulReporter: ['json-summary', 'text']
+  istanbulReporter: ['json-summary', 'text'],
+  configureYulOptimizer: true
 }
diff --git a/test/integration/projects/solc-8/.solcover.js b/test/integration/projects/solc-8/.solcover.js
new file mode 100644
index 00000000..fc5a56be
--- /dev/null
+++ b/test/integration/projects/solc-8/.solcover.js
@@ -0,0 +1,6 @@
+module.exports = {
+  silent: process.env.SILENT ? true : false,
+  skipFiles: ['skipped-folder'],
+  istanbulReporter: ['json-summary', 'text'],
+  configureYulOptimizer: true
+}
diff --git a/test/integration/projects/solc-8/contracts/Contract_solc8.sol b/test/integration/projects/solc-8/contracts/Contract_solc8.sol
new file mode 100644
index 00000000..90e83931
--- /dev/null
+++ b/test/integration/projects/solc-8/contracts/Contract_solc8.sol
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.8.0 <0.9.0;
+pragma abicoder v2;
+
+error InvalidSomeAddress(address someAddress);
+
+contract ContractA {
+
+    address public someAddress;
+
+    function throwError(address _add) external {
+        this;
+
+        if (_add == address(0)) {
+          revert InvalidSomeAddress(_add);
+        }
+
+        someAddress = _add;
+    }
+}
diff --git a/test/integration/projects/solc-8/hardhat.config.js b/test/integration/projects/solc-8/hardhat.config.js
new file mode 100644
index 00000000..de7e94cf
--- /dev/null
+++ b/test/integration/projects/solc-8/hardhat.config.js
@@ -0,0 +1,9 @@
+require("@nomiclabs/hardhat-truffle5");
+require(__dirname + "/../plugins/nomiclabs.plugin");
+
+module.exports = {
+  solidity: {
+    version: "0.8.5"
+  },
+  logger: process.env.SILENT ? { log: () => {} } : console,
+};
diff --git a/test/integration/projects/solc-8/test/test_solc8.js b/test/integration/projects/solc-8/test/test_solc8.js
new file mode 100644
index 00000000..617c2bd9
--- /dev/null
+++ b/test/integration/projects/solc-8/test/test_solc8.js
@@ -0,0 +1,13 @@
+const ContractA = artifacts.require("ContractA");
+
+contract("contracta", function(accounts) {
+  let a,b;
+
+  before(async () => {
+    a = await ContractA.new();
+  })
+
+  it('a:throwError', async function(){
+    await a.throwError(a.address);
+  });
+});
diff --git a/test/units/assert.js b/test/units/assert.js
index 593bdee6..4060841b 100644
--- a/test/units/assert.js
+++ b/test/units/assert.js
@@ -26,14 +26,14 @@ describe('asserts and requires', () => {
     const mapping = coverage.generate(contract.data, util.pathPrefix);
 
     assert.deepEqual(mapping[util.filePath].l, {
-      5: 1,
+      5: 2,
     });
     assert.deepEqual(mapping[util.filePath].b, {});
     assert.deepEqual(mapping[util.filePath].s, {
-      1: 1,
+      1: 2,
     });
     assert.deepEqual(mapping[util.filePath].f, {
-      1: 1,
+      1: 2,
     });
   });
 
@@ -47,14 +47,14 @@ describe('asserts and requires', () => {
 
     const mapping = coverage.generate(contract.data, util.pathPrefix);
     assert.deepEqual(mapping[util.filePath].l, {
-      5: 2,
+      5: 4,
     });
     assert.deepEqual(mapping[util.filePath].b, {});
     assert.deepEqual(mapping[util.filePath].s, {
-      1: 2,
+      1: 4,
     });
     assert.deepEqual(mapping[util.filePath].f, {
-      1: 2,
+      1: 4,
     });
   });
 
diff --git a/test/units/function.js b/test/units/function.js
index 5a193020..c4af6e01 100644
--- a/test/units/function.js
+++ b/test/units/function.js
@@ -101,14 +101,14 @@ describe('function declarations', () => {
     const mapping = coverage.generate(contract.data, util.pathPrefix);
 
     assert.deepEqual(mapping[util.filePath].l, {
-      6: 1, 11: 1
+      6: 2, 11: 1 // Doubled line-hit
     });
     assert.deepEqual(mapping[util.filePath].b, {});
     assert.deepEqual(mapping[util.filePath].s, {
-      1: 1, 2: 1
+      1: 2, 2: 1
     });
     assert.deepEqual(mapping[util.filePath].f, {
-      1: 1,
+      1: 2,
       2: 1,
     });
   });
diff --git a/test/units/hardhat/standard.js b/test/units/hardhat/standard.js
index 7ed8a68b..faf3d3aa 100644
--- a/test/units/hardhat/standard.js
+++ b/test/units/hardhat/standard.js
@@ -72,7 +72,9 @@ describe('Hardhat Plugin: standard use cases', function() {
     );
   });
 
-  it('with relative path solidity imports', async function() {
+  // Test fixture is not compatible with HH 2.5.0. Throws mysterious error (though fixture has no libs?)
+  // HH11: Internal invariant was violated: Libraries should have both name and version, or neither one
+  it.skip('with relative path solidity imports', async function() {
     mock.installFullProject('import-paths');
     mock.hardhatSetupEnv(this);
 
@@ -324,6 +326,22 @@ describe('Hardhat Plugin: standard use cases', function() {
     verify.lineCoverage(expected);
   })
 
+  it('solc 0.8.x', async function(){
+    mock.installFullProject('solc-8');
+    mock.hardhatSetupEnv(this);
+
+    await this.env.run("coverage");
+
+    const expectedLine = [
+      {
+        file: mock.pathToContract(hardhatConfig, 'Contract_solc8.sol'),
+        pct: 75
+      },
+    ];
+
+    verify.lineCoverage(expectedLine);
+  });
+
   // This test freezes when gas-reporter is not disabled
   it('disables hardhat-gas-reporter', async function() {
     mock.installFullProject('hardhat-gas-reporter');
diff --git a/test/units/truffle/standard.js b/test/units/truffle/standard.js
index db4c62dc..f1946ac1 100644
--- a/test/units/truffle/standard.js
+++ b/test/units/truffle/standard.js
@@ -307,7 +307,7 @@ describe('Truffle Plugin: standard use cases', function() {
     truffleConfig.logger = mock.testLogger;
     truffleConfig.version = true;
 
-    const configClientVersion = "v2.12.1";
+    const configClientVersion = "v2.13.2";
 
     // Config client
     mock.installFullProject('ganache-solcoverjs');
diff --git a/yarn.lock b/yarn.lock
index 3d311427..a564efd6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -80,6 +80,76 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
+"@ethereumjs/block@^3.4.0":
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/block/-/block-3.4.0.tgz#4747b0c06220ee10cbdfe1cbde8cbb0677b1b074"
+  integrity sha512-umKAoTX32yXzErpIksPHodFc/5y8bmZMnOl6hWy5Vd8xId4+HKFUOyEiN16Y97zMwFRysRpcrR6wBejfqc6Bmg==
+  dependencies:
+    "@ethereumjs/common" "^2.4.0"
+    "@ethereumjs/tx" "^3.3.0"
+    ethereumjs-util "^7.1.0"
+    merkle-patricia-tree "^4.2.0"
+
+"@ethereumjs/blockchain@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/blockchain/-/blockchain-5.4.0.tgz#28d712627d3442b2bb1f50dd5acba7cde1021993"
+  integrity sha512-wAuKLaew6PL52kH8YPXO7PbjjKV12jivRSyHQehkESw4slSLLfYA6Jv7n5YxyT2ajD7KNMPVh7oyF/MU6HcOvg==
+  dependencies:
+    "@ethereumjs/block" "^3.4.0"
+    "@ethereumjs/common" "^2.4.0"
+    "@ethereumjs/ethash" "^1.0.0"
+    debug "^2.2.0"
+    ethereumjs-util "^7.1.0"
+    level-mem "^5.0.1"
+    lru-cache "^5.1.1"
+    rlp "^2.2.4"
+    semaphore-async-await "^1.5.1"
+
+"@ethereumjs/common@^2.4.0":
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/common/-/common-2.4.0.tgz#2d67f6e6ba22246c5c89104e6b9a119fb3039766"
+  integrity sha512-UdkhFWzWcJCZVsj1O/H8/oqj/0RVYjLc1OhPjBrQdALAkQHpCp8xXI4WLnuGTADqTdJZww0NtgwG+TRPkXt27w==
+  dependencies:
+    crc-32 "^1.2.0"
+    ethereumjs-util "^7.1.0"
+
+"@ethereumjs/ethash@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/ethash/-/ethash-1.0.0.tgz#4e77f85b37be1ade5393e8719bdabac3e796ddaa"
+  integrity sha512-iIqnGG6NMKesyOxv2YctB2guOVX18qMAWlj3QlZyrc+GqfzLqoihti+cVNQnyNxr7eYuPdqwLQOFuPe6g/uKjw==
+  dependencies:
+    "@types/levelup" "^4.3.0"
+    buffer-xor "^2.0.1"
+    ethereumjs-util "^7.0.7"
+    miller-rabin "^4.0.0"
+
+"@ethereumjs/tx@^3.3.0":
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/tx/-/tx-3.3.0.tgz#14ed1b7fa0f28e1cd61e3ecbdab824205f6a4378"
+  integrity sha512-yTwEj2lVzSMgE6Hjw9Oa1DZks/nKTWM8Wn4ykDNapBPua2f4nXO3qKnni86O6lgDj5fVNRqbDsD0yy7/XNGDEA==
+  dependencies:
+    "@ethereumjs/common" "^2.4.0"
+    ethereumjs-util "^7.1.0"
+
+"@ethereumjs/vm@^5.5.0":
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/vm/-/vm-5.5.0.tgz#d389c5792320ef28c51366a643b8ab9d64e10a31"
+  integrity sha512-h6Kr6WqKUP8nVuEzCWPWEPrC63v7HFwt3gRuK7CJiyg9S0iWSBKUA/YVD4YgaSVACuxUfWaOBbwV5uGVupm5PQ==
+  dependencies:
+    "@ethereumjs/block" "^3.4.0"
+    "@ethereumjs/blockchain" "^5.4.0"
+    "@ethereumjs/common" "^2.4.0"
+    "@ethereumjs/tx" "^3.3.0"
+    async-eventemitter "^0.2.4"
+    core-js-pure "^3.0.1"
+    debug "^2.2.0"
+    ethereumjs-util "^7.1.0"
+    functional-red-black-tree "^1.0.1"
+    mcl-wasm "^0.7.1"
+    merkle-patricia-tree "^4.2.0"
+    rustbn.js "~0.2.0"
+    util.promisify "^1.0.1"
+
 "@ethersproject/abi@5.0.0-beta.153":
   version "5.0.0-beta.153"
   resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.0.0-beta.153.tgz#43a37172b33794e4562999f6e2d555b7599a8eee"
@@ -108,6 +178,45 @@
     "@ethersproject/properties" ">=5.0.0-beta.131"
     "@ethersproject/strings" ">=5.0.0-beta.130"
 
+"@ethersproject/abi@^5.1.2":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.4.0.tgz#a6d63bdb3672f738398846d4279fa6b6c9818242"
+  integrity sha512-9gU2H+/yK1j2eVMdzm6xvHSnMxk8waIHQGYCZg5uvAyH0rsAzxkModzBSpbAkAuhKFEovC2S9hM4nPuLym8IZw==
+  dependencies:
+    "@ethersproject/address" "^5.4.0"
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/constants" "^5.4.0"
+    "@ethersproject/hash" "^5.4.0"
+    "@ethersproject/keccak256" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/strings" "^5.4.0"
+
+"@ethersproject/abstract-provider@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.4.0.tgz#415331031b0f678388971e1987305244edc04e1d"
+  integrity sha512-vPBR7HKUBY0lpdllIn7tLIzNN7DrVnhCLKSzY0l8WAwxz686m/aL7ASDzrVxV93GJtIub6N2t4dfZ29CkPOxgA==
+  dependencies:
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/networks" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/transactions" "^5.4.0"
+    "@ethersproject/web" "^5.4.0"
+
+"@ethersproject/abstract-signer@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.4.0.tgz#cd5f50b93141ee9f9f49feb4075a0b3eafb57d65"
+  integrity sha512-AieQAzt05HJZS2bMofpuxMEp81AHufA5D6M4ScKwtolj041nrfIbIi8ciNW7+F59VYxXq+V4c3d568Q6l2m8ew==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.4.0"
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+
 "@ethersproject/address@>=5.0.0-beta.128":
   version "5.0.0-beta.134"
   resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.0.0-beta.134.tgz#9c1790c87b763dc547ac12e2dbc9fa78d0799a71"
@@ -130,6 +239,24 @@
     "@ethersproject/rlp" "^5.0.3"
     bn.js "^4.4.0"
 
+"@ethersproject/address@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.4.0.tgz#ba2d00a0f8c4c0854933b963b9a3a9f6eb4a37a3"
+  integrity sha512-SD0VgOEkcACEG/C6xavlU1Hy3m5DGSXW3CUHkaaEHbAPPsgi0coP5oNPsxau8eTlZOk/bpa/hKeCNoK5IzVI2Q==
+  dependencies:
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/keccak256" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/rlp" "^5.4.0"
+
+"@ethersproject/base64@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.4.0.tgz#7252bf65295954c9048c7ca5f43e5c86441b2a9a"
+  integrity sha512-CjQw6E17QDSSC5jiM9YpF7N1aSCHmYGMt9bWD8PWv6YPMxjsys2/Q8xLrROKI3IWJ7sFfZ8B3flKDTM5wlWuZQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+
 "@ethersproject/bignumber@>=5.0.0-beta.130":
   version "5.0.0-beta.138"
   resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.0.0-beta.138.tgz#a635f2f9a6f1b262cc38e1c7ee561fb13d79fda4"
@@ -147,6 +274,15 @@
     "@ethersproject/logger" "^5.0.5"
     bn.js "^4.4.0"
 
+"@ethersproject/bignumber@^5.4.0":
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.4.1.tgz#64399d3b9ae80aa83d483e550ba57ea062c1042d"
+  integrity sha512-fJhdxqoQNuDOk6epfM7yD6J8Pol4NUCy1vkaGAkuujZm0+lNow//MKu1hLhRiYV4BsOHyBv5/lsTjF+7hWwhJg==
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    bn.js "^4.11.9"
+
 "@ethersproject/bytes@>=5.0.0-beta.129":
   version "5.0.0-beta.137"
   resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.0.0-beta.137.tgz#a9a35e2b358886289225d28212f4071ae391c161"
@@ -159,6 +295,13 @@
   dependencies:
     "@ethersproject/logger" "^5.0.5"
 
+"@ethersproject/bytes@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.4.0.tgz#56fa32ce3bf67153756dbaefda921d1d4774404e"
+  integrity sha512-H60ceqgTHbhzOj4uRc/83SCN9d+BSUnOkrr2intevqdtEMO1JFVZ1XL84OEZV+QjV36OaZYxtnt4lGmxcGsPfA==
+  dependencies:
+    "@ethersproject/logger" "^5.4.0"
+
 "@ethersproject/constants@>=5.0.0-beta.128":
   version "5.0.0-beta.133"
   resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.0.0-beta.133.tgz#af4ccd7232f3ed73aebe066a695ede32c497a394"
@@ -171,6 +314,13 @@
   dependencies:
     "@ethersproject/bignumber" "^5.0.7"
 
+"@ethersproject/constants@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.4.0.tgz#ee0bdcb30bf1b532d2353c977bf2ef1ee117958a"
+  integrity sha512-tzjn6S7sj9+DIIeKTJLjK9WGN2Tj0P++Z8ONEIlZjyoTkBuODN+0VfhAyYksKi43l1Sx9tX2VlFfzjfmr5Wl3Q==
+  dependencies:
+    "@ethersproject/bignumber" "^5.4.0"
+
 "@ethersproject/hash@>=5.0.0-beta.128":
   version "5.0.0-beta.133"
   resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.0.0-beta.133.tgz#bda0c74454a82359642033f27c5157963495fcdf"
@@ -180,6 +330,20 @@
     "@ethersproject/logger" ">=5.0.0-beta.129"
     "@ethersproject/strings" ">=5.0.0-beta.130"
 
+"@ethersproject/hash@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.4.0.tgz#d18a8e927e828e22860a011f39e429d388344ae0"
+  integrity sha512-xymAM9tmikKgbktOCjW60Z5sdouiIIurkZUr9oW5NOex5uwxrbsYG09kb5bMcNjlVeJD3yPivTNzViIs1GCbqA==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.4.0"
+    "@ethersproject/address" "^5.4.0"
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/keccak256" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/strings" "^5.4.0"
+
 "@ethersproject/keccak256@>=5.0.0-beta.127":
   version "5.0.0-beta.131"
   resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.0.0-beta.131.tgz#b5778723ee75208065b9b9ad30c71d480f41bb31"
@@ -194,6 +358,14 @@
     "@ethersproject/bytes" "^5.0.4"
     js-sha3 "0.5.7"
 
+"@ethersproject/keccak256@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.4.0.tgz#7143b8eea4976080241d2bd92e3b1f1bf7025318"
+  integrity sha512-FBI1plWet+dPUvAzPAeHzRKiPpETQzqSUWR1wXJGHVWi4i8bOSrpC3NwpkPjgeXG7MnugVc1B42VbfnQikyC/A==
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    js-sha3 "0.5.7"
+
 "@ethersproject/logger@>=5.0.0-beta.129":
   version "5.0.0-beta.137"
   resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.0.0-beta.137.tgz#781582b8b04d0ced01e9c1608c9887d31d95b8ee"
@@ -202,6 +374,18 @@
   version "5.0.6"
   resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.0.6.tgz#faa484203e86e08be9e07fef826afeef7183fe88"
 
+"@ethersproject/logger@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.4.0.tgz#f39adadf62ad610c420bcd156fd41270e91b3ca9"
+  integrity sha512-xYdWGGQ9P2cxBayt64d8LC8aPFJk6yWCawQi/4eJ4+oJdMMjEBMrIcIMZ9AxhwpPVmnBPrsB10PcXGmGAqgUEQ==
+
+"@ethersproject/networks@^5.4.0":
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.4.1.tgz#2ce83b8e42aa85216e5d277a7952d97b6ce8d852"
+  integrity sha512-8SvowCKz9Uf4xC5DTKI8+il8lWqOr78kmiqAVLYT9lzB8aSmJHQMD1GSuJI0CW4hMAnzocpGpZLgiMdzsNSPig==
+  dependencies:
+    "@ethersproject/logger" "^5.4.0"
+
 "@ethersproject/properties@>=5.0.0-beta.131":
   version "5.0.0-beta.139"
   resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.0.0-beta.139.tgz#b56c494bbeb47b2d1bab95a52bbf1ee0a8040274"
@@ -214,6 +398,13 @@
   dependencies:
     "@ethersproject/logger" "^5.0.5"
 
+"@ethersproject/properties@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.4.0.tgz#38ba20539b44dcc5d5f80c45ad902017dcdbefe7"
+  integrity sha512-7jczalGVRAJ+XSRvNA6D5sAwT4gavLq3OXPuV/74o3Rd2wuzSL035IMpIMgei4CYyBdialJMrTqkOnzccLHn4A==
+  dependencies:
+    "@ethersproject/logger" "^5.4.0"
+
 "@ethersproject/rlp@>=5.0.0-beta.126":
   version "5.0.0-beta.132"
   resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.0.0-beta.132.tgz#f7d31e0ee8792180ffd5c73969aa5b2f8804e967"
@@ -228,6 +419,14 @@
     "@ethersproject/bytes" "^5.0.4"
     "@ethersproject/logger" "^5.0.5"
 
+"@ethersproject/rlp@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.4.0.tgz#de61afda5ff979454e76d3b3310a6c32ad060931"
+  integrity sha512-0I7MZKfi+T5+G8atId9QaQKHRvvasM/kqLyAH4XxBCBchAooH2EX5rL9kYZWwcm3awYV+XC7VF6nLhfeQFKVPg==
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+
 "@ethersproject/signing-key@^5.0.4":
   version "5.0.5"
   resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.0.5.tgz#acfd06fc05a14180df7e027688bbd23fc4baf782"
@@ -237,6 +436,18 @@
     "@ethersproject/properties" "^5.0.3"
     elliptic "6.5.3"
 
+"@ethersproject/signing-key@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.4.0.tgz#2f05120984e81cf89a3d5f6dec5c68ee0894fbec"
+  integrity sha512-q8POUeywx6AKg2/jX9qBYZIAmKSB4ubGXdQ88l40hmATj29JnG5pp331nAWwwxPn2Qao4JpWHNZsQN+bPiSW9A==
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    bn.js "^4.11.9"
+    elliptic "6.5.4"
+    hash.js "1.1.7"
+
 "@ethersproject/strings@>=5.0.0-beta.130":
   version "5.0.0-beta.136"
   resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.0.0-beta.136.tgz#053cbf4f9f96a7537cbc50300597f2d707907f51"
@@ -245,6 +456,15 @@
     "@ethersproject/constants" ">=5.0.0-beta.128"
     "@ethersproject/logger" ">=5.0.0-beta.129"
 
+"@ethersproject/strings@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.4.0.tgz#fb12270132dd84b02906a8d895ae7e7fa3d07d9a"
+  integrity sha512-k/9DkH5UGDhv7aReXLluFG5ExurwtIpUfnDNhQA29w896Dw3i4uDTz01Quaptbks1Uj9kI8wo9tmW73wcIEaWA==
+  dependencies:
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/constants" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+
 "@ethersproject/transactions@^5.0.0-beta.135":
   version "5.0.6"
   resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.0.6.tgz#b8b27938be6e9ed671dbdd35fe98af8b14d0df7c"
@@ -259,6 +479,32 @@
     "@ethersproject/rlp" "^5.0.3"
     "@ethersproject/signing-key" "^5.0.4"
 
+"@ethersproject/transactions@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.4.0.tgz#a159d035179334bd92f340ce0f77e83e9e1522e0"
+  integrity sha512-s3EjZZt7xa4BkLknJZ98QGoIza94rVjaEed0rzZ/jB9WrIuu/1+tjvYCWzVrystXtDswy7TPBeIepyXwSYa4WQ==
+  dependencies:
+    "@ethersproject/address" "^5.4.0"
+    "@ethersproject/bignumber" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/constants" "^5.4.0"
+    "@ethersproject/keccak256" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/rlp" "^5.4.0"
+    "@ethersproject/signing-key" "^5.4.0"
+
+"@ethersproject/web@^5.4.0":
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.4.0.tgz#49fac173b96992334ed36a175538ba07a7413d1f"
+  integrity sha512-1bUusGmcoRLYgMn6c1BLk1tOKUIFuTg8j+6N8lYlbMpDesnle+i3pGSagGNvwjaiLo4Y5gBibwctpPRmjrh4Og==
+  dependencies:
+    "@ethersproject/base64" "^5.4.0"
+    "@ethersproject/bytes" "^5.4.0"
+    "@ethersproject/logger" "^5.4.0"
+    "@ethersproject/properties" "^5.4.0"
+    "@ethersproject/strings" "^5.4.0"
+
 "@nodelib/fs.scandir@2.1.2":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.2.tgz#1f981cd5b83e85cfdeb386fc693d4baab392fa54"
@@ -480,10 +726,12 @@
   resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.11.0.tgz#28bc1972e1620f7b388b485bca76a78ac2cb5c59"
   integrity sha512-IaC4IaW8uoOB8lmEkw6c19y1vJBK/+7SzAbGQ+LmBYRPXSLNB+UgpORvmcAJEXhB04kWKyz/Os1U8onqm6U/+w==
 
-"@solidity-parser/parser@^0.12.0":
-  version "0.12.0"
-  resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.12.0.tgz#18a0fb2a9d2484b23176f63b16093c64794fc323"
-  integrity sha512-DT3f/Aa4tQysZwUsuqBwvr8YRJzKkvPUKV/9o2/o5EVw3xqlbzmtx4O60lTUcZdCawL+N8bBLNUyOGpHjGlJVQ==
+"@solidity-parser/parser@^0.13.2":
+  version "0.13.2"
+  resolved "https://registry.yarnpkg.com/@solidity-parser/parser/-/parser-0.13.2.tgz#b6c71d8ca0b382d90a7bbed241f9bc110af65cbe"
+  integrity sha512-RwHnpRnfrnD2MSPveYoPh8nhofEvX7fgjHk1Oq+NNvCcLx4r1js91CO9o+F/F3fBzOCyvm8kKRTriFICX/odWw==
+  dependencies:
+    antlr4ts "^0.5.0-alpha.4"
 
 "@solidity-parser/parser@^0.5.2":
   version "0.5.2"
@@ -646,6 +894,11 @@
     strip-indent "^2.0.0"
     super-split "^1.1.0"
 
+"@types/abstract-leveldown@*":
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/@types/abstract-leveldown/-/abstract-leveldown-5.0.2.tgz#ee81917fe38f770e29eec8139b6f16ee4a8b0a5f"
+  integrity sha512-+jA1XXF3jsz+Z7FcuiNqgK53hTa/luglT2TyTpKPqoYbxVY+mCPF22Rm+q3KPBrMHJwNXFrTViHszBOfU4vftQ==
+
 "@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"
@@ -664,6 +917,13 @@
   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@^4.2.0":
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.3.tgz#419477a3d5202bad19e14c787940a61dc9ea6407"
@@ -692,6 +952,20 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
+"@types/level-errors@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/level-errors/-/level-errors-3.0.0.tgz#15c1f4915a5ef763b51651b15e90f6dc081b96a8"
+  integrity sha512-/lMtoq/Cf/2DVOm6zE6ORyOM+3ZVm/BvzEZVxUhf6bgh8ZHglXlBqxbxSlJeVp8FCbD3IVvk/VbsaNmDjrQvqQ==
+
+"@types/levelup@^4.3.0":
+  version "4.3.3"
+  resolved "https://registry.yarnpkg.com/@types/levelup/-/levelup-4.3.3.tgz#4dc2b77db079b1cf855562ad52321aa4241b8ef4"
+  integrity sha512-K+OTIjJcZHVlZQN1HmU64VtrC0jC3dXWQozuEIR9zVvltIk90zaGPM2AgT+fIkChpzHhFE3YnvFLCbLtzAmexA==
+  dependencies:
+    "@types/abstract-leveldown" "*"
+    "@types/level-errors" "*"
+    "@types/node" "*"
+
 "@types/lru-cache@^5.1.0":
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/@types/lru-cache/-/lru-cache-5.1.0.tgz#57f228f2b80c046b4a1bd5cac031f81f207f4f03"
@@ -777,6 +1051,17 @@ abstract-leveldown@^5.0.0, abstract-leveldown@~5.0.0:
   dependencies:
     xtend "~4.0.0"
 
+abstract-leveldown@^6.2.1:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-6.3.0.tgz#d25221d1e6612f820c35963ba4bd739928f6026a"
+  integrity sha512-TU5nlYgta8YrBMNpc9FwQzRbiXsj49gsALsXadbGHt9CROPzX5fB0rWDR5mtdpOOKa5XqRFpbj1QroPAoPzVjQ==
+  dependencies:
+    buffer "^5.5.0"
+    immediate "^3.2.3"
+    level-concat-iterator "~2.0.0"
+    level-supports "~1.0.0"
+    xtend "~4.0.0"
+
 abstract-leveldown@~2.6.0:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz#1c5e8c6a5ef965ae8c35dfb3a8770c476b82c4b8"
@@ -789,6 +1074,17 @@ abstract-leveldown@~2.7.1:
   dependencies:
     xtend "~4.0.0"
 
+abstract-leveldown@~6.2.1:
+  version "6.2.3"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-6.2.3.tgz#036543d87e3710f2528e47040bc3261b77a9a8eb"
+  integrity sha512-BsLm5vFMRUrrLeCcRc+G0t2qOaTzpoJQLOubq2XM72eNpjF5UdU5o/5NvlNhx95XHcAvcl8OMXr4mlg/fRgUXQ==
+  dependencies:
+    buffer "^5.5.0"
+    immediate "^3.2.3"
+    level-concat-iterator "~2.0.0"
+    level-supports "~1.0.0"
+    xtend "~4.0.0"
+
 accepts@~1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -869,6 +1165,11 @@ ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+antlr4ts@^0.5.0-alpha.4:
+  version "0.5.0-alpha.4"
+  resolved "https://registry.yarnpkg.com/antlr4ts/-/antlr4ts-0.5.0-alpha.4.tgz#71702865a87478ed0b40c0709f422cf14d51652a"
+  integrity sha512-WPQDt1B74OfPv/IMS2ekXAKkTZIHl88uMetg6q3OTqgFxZ/dxDXI0EWLyZid/1Pe6hTftyg5N7gel5wNAGxXyQ==
+
 any-promise@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
@@ -944,7 +1245,7 @@ assertion-error@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
 
-async-eventemitter@^0.2.2:
+async-eventemitter@^0.2.2, async-eventemitter@^0.2.4:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/async-eventemitter/-/async-eventemitter-0.2.4.tgz#f5e7c8ca7d3e46aab9ec40a292baf686a0bafaca"
   dependencies:
@@ -1065,6 +1366,11 @@ bn.js@^4.11.9:
   version "4.11.9"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
 
+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"
@@ -1109,7 +1415,7 @@ braces@^3.0.1, braces@~3.0.2:
   dependencies:
     fill-range "^7.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
@@ -1216,6 +1522,13 @@ buffer-xor@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
 
+buffer-xor@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-2.0.2.tgz#34f7c64f04c777a1f8aac5e661273bb9dd320289"
+  integrity sha512-eHslX0bin3GB+Lx2p7lEYRShRewuNZL3fUl4qlVJGGiwoPGftmt8JQgk2Y9Ji5/01TnVDo33E5b5O3vUB1HdqQ==
+  dependencies:
+    safe-buffer "^5.1.1"
+
 buffer@^5.0.5:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.2.1.tgz#dd57fa0f109ac59c602479044dca7b8b3d0b71d6"
@@ -1279,6 +1592,14 @@ caching-transform@^3.0.2:
     package-hash "^3.0.0"
     write-file-atomic "^2.4.2"
 
+call-bind@^1.0.0, call-bind@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  integrity sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 callsite@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
@@ -1576,6 +1897,14 @@ cp-file@^6.2.0:
     pify "^4.0.1"
     safe-buffer "^5.0.1"
 
+crc-32@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/crc-32/-/crc-32-1.2.0.tgz#cb2db6e29b88508e32d9dd0ec1693e7b41a18208"
+  integrity sha512-1uBwHxF+Y/4yF5G48fwnKq6QsIXheor3ZLPT80yGBV1oEUwpPojlEhQbWKVw1VwcTQyMGHK1/XMmTjmlsmTTGA==
+  dependencies:
+    exit-on-epipe "~1.0.1"
+    printj "~1.1.0"
+
 create-ecdh@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.3.tgz#c9111b6f33045c4697f144787f9254cdc77c45ff"
@@ -1822,6 +2151,14 @@ deferred-leveldown@~4.0.0:
     abstract-leveldown "~5.0.0"
     inherits "^2.0.3"
 
+deferred-leveldown@~5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-5.3.0.tgz#27a997ad95408b61161aa69bd489b86c71b78058"
+  integrity sha512-a59VOT+oDy7vtAbLRCZwWgxu2BaCfd5Hk7wxJd48ei7I+nsg8Orlb9CLG0PMZienk9BSUKgeAqkO2+Lw+1+Ukw==
+  dependencies:
+    abstract-leveldown "~6.2.1"
+    inherits "^2.0.3"
+
 define-properties@^1.1.2, define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -2005,6 +2342,19 @@ elliptic@6.5.3:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+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==
+  dependencies:
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
+
 elliptic@^6.0.0, elliptic@^6.4.0, elliptic@^6.4.1:
   version "6.5.0"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.0.tgz#2b8ed4c891b7de3200e14412a5b8248c7af505ca"
@@ -2025,6 +2375,16 @@ encodeurl@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
 
+encoding-down@^6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/encoding-down/-/encoding-down-6.3.0.tgz#b1c4eb0e1728c146ecaef8e32963c549e76d082b"
+  integrity sha512-QKrV0iKR6MZVJV08QY0wp1e7vF6QbhnbQhb07bwpEyuz4uZiZgPlEGdkCROuFkUwdxlFaiPIhjyarH1ee/3vhw==
+  dependencies:
+    abstract-leveldown "^6.2.1"
+    inherits "^2.0.3"
+    level-codec "^9.0.0"
+    level-errors "^2.0.0"
+
 encoding-down@~5.0.0:
   version "5.0.4"
   resolved "https://registry.yarnpkg.com/encoding-down/-/encoding-down-5.0.4.tgz#1e477da8e9e9d0f7c8293d320044f8b2cd8e9614"
@@ -2074,9 +2434,32 @@ errno@~0.1.1:
 error-ex@^1.3.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  integrity sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==
   dependencies:
     is-arrayish "^0.2.1"
 
+es-abstract@^1.18.0-next.2:
+  version "1.18.3"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.18.3.tgz#25c4c3380a27aa203c44b2b685bba94da31b63e0"
+  integrity sha512-nQIr12dxV7SSxE6r6f1l3DtAeEYdsGpps13dR0TwJg1S8gyp4ZPgy3FZcHBgbiQqnoqSTb+oC+kO4UQ0C/J8vw==
+  dependencies:
+    call-bind "^1.0.2"
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    get-intrinsic "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.2"
+    is-callable "^1.2.3"
+    is-negative-zero "^2.0.1"
+    is-regex "^1.1.3"
+    is-string "^1.0.6"
+    object-inspect "^1.10.3"
+    object-keys "^1.1.1"
+    object.assign "^4.1.2"
+    string.prototype.trimend "^1.0.4"
+    string.prototype.trimstart "^1.0.4"
+    unbox-primitive "^1.0.1"
+
 es-abstract@^1.5.0:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.13.0.tgz#ac86145fdd5099d8dd49558ccba2eaf9b88e24e9"
@@ -2111,6 +2494,15 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  integrity sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==
+  dependencies:
+    is-callable "^1.1.4"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.2"
+
 es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@~0.10.14:
   version "0.10.50"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.50.tgz#6d0e23a0abdb27018e5ac4fd09b412bc5517a778"
@@ -2461,6 +2853,18 @@ ethereumjs-util@^6.0.0, ethereumjs-util@^6.1.0, ethereumjs-util@~6.1.0:
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
+ethereumjs-util@^7.0.10, ethereumjs-util@^7.0.7, ethereumjs-util@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-7.1.0.tgz#e2b43a30bfcdbcb432a4eb42bd5f2393209b3fd5"
+  integrity sha512-kR+vhu++mUDARrsMMhsjjzPduRVAeundLGXucGRHF3B4oEltOUspfgCVco4kckucj3FMlLaZHUl9n7/kdmr6Tw==
+  dependencies:
+    "@types/bn.js" "^5.1.0"
+    bn.js "^5.1.2"
+    create-hash "^1.1.2"
+    ethereum-cryptography "^0.1.3"
+    ethjs-util "0.1.6"
+    rlp "^2.2.4"
+
 ethers@4.0.0-beta.3:
   version "4.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.0-beta.3.tgz#15bef14e57e94ecbeb7f9b39dd0a4bd435bc9066"
@@ -2577,6 +2981,11 @@ execa@^1.0.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+exit-on-epipe@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/exit-on-epipe/-/exit-on-epipe-1.0.1.tgz#0bdd92e87d5285d267daa8171d0eb06159689692"
+  integrity sha512-h2z5mrROTxce56S+pnvAV890uu7ls7f1kEvVGJbw1OlFH3/mlJ5bkXu0KRyW94v37zzHPiUd55iLn3DA7TjWpw==
+
 express@^4.14.0:
   version "4.17.1"
   resolved "https://registry.yarnpkg.com/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
@@ -2886,9 +3295,10 @@ functional-red-black-tree@^1.0.1, functional-red-black-tree@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
 
-ganache-cli@^6.11.0:
-  version "6.11.0"
-  resolved "https://registry.yarnpkg.com/ganache-cli/-/ganache-cli-6.11.0.tgz#51e48312577f2a1be1bd17170779306989afe81c"
+ganache-cli@^6.12.2:
+  version "6.12.2"
+  resolved "https://registry.yarnpkg.com/ganache-cli/-/ganache-cli-6.12.2.tgz#c0920f7db0d4ac062ffe2375cb004089806f627a"
+  integrity sha512-bnmwnJDBDsOWBUP8E/BExWf85TsdDEFelQSzihSJm9VChVO1SHp94YXLP5BlA4j/OTxp0wR4R1Tje9OHOuAJVw==
   dependencies:
     ethereumjs-util "6.2.1"
     source-map-support "0.5.12"
@@ -2906,6 +3316,15 @@ get-func-name@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
 
+get-intrinsic@^1.0.2, get-intrinsic@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
+  integrity sha512-kWZrnVM42QCiEA2Ig1bG8zjoIMOgxWwYCEeNdwY6Tv/cOSeGpcoX4pXHfKUxNKVoArnrEr2e9srnAxxGIraS9Q==
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+
 get-port@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/get-port/-/get-port-3.2.0.tgz#dd7ce7de187c06c8bf353796ac71e099f0980ebc"
@@ -3143,15 +3562,20 @@ hardhat-gas-reporter@^1.0.1:
   dependencies:
     eth-gas-reporter "^0.2.19"
 
-hardhat@^2.0.7:
-  version "2.0.7"
-  resolved "https://registry.yarnpkg.com/hardhat/-/hardhat-2.0.7.tgz#5b3ab5fab097c397c7421e98c082398925bff246"
-  integrity sha512-do4aigd9pXfHZwxPS2dSFGPT4BSRNOi8wkYkyOKhn2rwGjI3o0RbdcE1xB0V7AezuL0KxkPitSCjpmQD1GDHUw==
-  dependencies:
-    "@nomiclabs/ethereumjs-vm" "^4.1.1"
+hardhat@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/hardhat/-/hardhat-2.5.0.tgz#0a10bf85d9b2c3c7c12cfa4e35454296c670c054"
+  integrity sha512-S5CWcmiFZlFF2qFGyf5LlgVnJDXwTs5UBKU3GPQCjsUD3NAIWzXr/4xDSij3YWdg751axgLiKAJM01cHcxGb7A==
+  dependencies:
+    "@ethereumjs/block" "^3.4.0"
+    "@ethereumjs/blockchain" "^5.4.0"
+    "@ethereumjs/common" "^2.4.0"
+    "@ethereumjs/tx" "^3.3.0"
+    "@ethereumjs/vm" "^5.5.0"
+    "@ethersproject/abi" "^5.1.2"
     "@sentry/node" "^5.18.1"
     "@solidity-parser/parser" "^0.11.0"
-    "@types/bn.js" "^4.11.5"
+    "@types/bn.js" "^5.1.0"
     "@types/lru-cache" "^5.1.0"
     abort-controller "^3.0.0"
     adm-zip "^0.4.16"
@@ -3165,19 +3589,17 @@ hardhat@^2.0.7:
     eth-sig-util "^2.5.2"
     ethereum-cryptography "^0.1.2"
     ethereumjs-abi "^0.6.8"
-    ethereumjs-account "^3.0.0"
-    ethereumjs-block "^2.2.0"
-    ethereumjs-common "^1.5.0"
-    ethereumjs-tx "^2.1.1"
-    ethereumjs-util "^6.1.0"
+    ethereumjs-util "^7.1.0"
     find-up "^2.1.0"
     fp-ts "1.19.3"
     fs-extra "^7.0.1"
     glob "^7.1.3"
+    https-proxy-agent "^5.0.0"
     immutable "^4.0.0-rc.12"
     io-ts "1.10.4"
     lodash "^4.17.11"
-    merkle-patricia-tree "^3.0.0"
+    merkle-patricia-tree "^4.2.0"
+    mnemonist "^0.38.0"
     mocha "^7.1.2"
     node-fetch "^2.6.0"
     qs "^6.7.0"
@@ -3191,7 +3613,12 @@ hardhat@^2.0.7:
     "true-case-path" "^2.2.1"
     tsort "0.0.1"
     uuid "^3.3.2"
-    ws "^7.2.1"
+    ws "^7.4.6"
+
+has-bigints@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-bigints/-/has-bigints-1.0.1.tgz#64fe6acb020673e3b78db035a5af69aa9d07b113"
+  integrity sha512-LSBS2LjbNBTf6287JEbEzvJgftkF5qFkmCo9hDRpAzKhUOlJ+hx8dd4USs00SgsUNwc4617J9ki5YtEClM2ffA==
 
 has-flag@^1.0.0:
   version "1.0.0"
@@ -3209,6 +3636,11 @@ has-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
 
+has-symbols@^1.0.1, has-symbols@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.2.tgz#165d3070c00309752a1236a479331e3ac56f1423"
+  integrity sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==
+
 has-to-string-tag-x@^1.2.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/has-to-string-tag-x/-/has-to-string-tag-x-1.4.1.tgz#a045ab383d7b4b2012a00148ab0aa5f290044d4d"
@@ -3235,7 +3667,7 @@ 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@^1.1.7:
+hash.js@1.1.7, 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"
   dependencies:
@@ -3264,7 +3696,7 @@ highlightjs-solidity@^1.0.18:
   version "1.0.18"
   resolved "https://registry.yarnpkg.com/highlightjs-solidity/-/highlightjs-solidity-1.0.18.tgz#3deb0593689a26fbadf98e631bf2cd305a6417c9"
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.0, hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   dependencies:
@@ -3437,12 +3869,24 @@ is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
 
+is-bigint@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-bigint/-/is-bigint-1.0.2.tgz#ffb381442503235ad245ea89e45b3dbff040ee5a"
+  integrity sha512-0JV5+SOCQkIdzjBK9buARcV804Ddu7A0Qet6sHi3FimE9ne6m4BGQZfRn+NZiXbBk4F4XmHfDZIipLj9pX8dSA==
+
 is-binary-path@~2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
   dependencies:
     binary-extensions "^2.0.0"
 
+is-boolean-object@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-boolean-object/-/is-boolean-object-1.1.1.tgz#3c0878f035cb821228d350d2e1e36719716a3de8"
+  integrity sha512-bXdQWkECBUIAcCkeH1unwJLIpZYaa5VvuygSyS/c2lf719mTKZDU5UdDRlpd01UjADgmW8RfqaP+mRaVPdr/Ng==
+  dependencies:
+    call-bind "^1.0.2"
+
 is-buffer@~2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.4.tgz#3e572f23c8411a5cfd9557c849e3665e0b290623"
@@ -3451,6 +3895,11 @@ is-callable@^1.1.3, is-callable@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
 
+is-callable@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.3.tgz#8b1e0500b73a1d76c70487636f368e519de8db8e"
+  integrity sha512-J1DcMe8UYTBSrKezuIUTUwjXsho29693unXM2YhJUTR2txK/eG47bvNa/wipPFmZFgr/N6f1GA66dv0mEyTIyQ==
+
 is-date-object@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
@@ -3494,6 +3943,16 @@ is-natural-number@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
 
+is-negative-zero@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.1.tgz#3de746c18dda2319241a53675908d8f766f11c24"
+  integrity sha512-2z6JzQvZRa9A2Y7xC6dQQm4FSTSTNWjKIYYTt4246eMTJmIo0Q+ZyOsU66X8lxK1AbB92dFeglPLrhwpeRKO6w==
+
+is-number-object@^1.0.4:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/is-number-object/-/is-number-object-1.0.5.tgz#6edfaeed7950cff19afedce9fbfca9ee6dd289eb"
+  integrity sha512-RU0lI/n95pMoUKu9v1BZP5MBcZuNSVJkMkAG2dJqC4z2GlkGUNeH68SuHuBKBD/XFe+LHZ+f9BKkLET60Niedw==
+
 is-number@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
@@ -3522,6 +3981,14 @@ is-regex@^1.0.4:
   dependencies:
     has "^1.0.1"
 
+is-regex@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.3.tgz#d029f9aff6448b93ebbe3f33dac71511fdcbef9f"
+  integrity sha512-qSVXFz28HM7y+IWX6vLCsexdlvzT1PJNFSBuaQLQ5o0IEw8UDYW6/2+eCMVyIsbM8CNLX2a/QWmSpyxYEHY7CQ==
+  dependencies:
+    call-bind "^1.0.2"
+    has-symbols "^1.0.2"
+
 is-retry-allowed@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
@@ -3534,12 +4001,24 @@ is-stream@^1.0.0, is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
+is-string@^1.0.5, is-string@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.6.tgz#3fe5d5992fb0d93404f32584d4b0179a71b54a5f"
+  integrity sha512-2gdzbKUuqtQ3lYNrUTQYoClPhm7oQu4UdpSZMp1/DGgkHBT8E2Z1l0yMdb6D4zNAxwDiMv8MdulKROJGNl0Q0w==
+
 is-symbol@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.2.tgz#a055f6ae57192caee329e7a860118b497a950f38"
   dependencies:
     has-symbols "^1.0.0"
 
+is-symbol@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.4.tgz#a6dac93b635b063ca6872236de88910a57af139c"
+  integrity sha512-C/CPBqKWnvdcxqIARxyOh4v1UUEOCHpgDa0WYgpKDFMszcrPcffg5uhwSgPCLD2WWxmq6isisz87tzT01tuGhg==
+  dependencies:
+    has-symbols "^1.0.2"
+
 is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
@@ -3773,6 +4252,11 @@ level-codec@~7.0.0:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-7.0.1.tgz#341f22f907ce0f16763f24bddd681e395a0fb8a7"
 
+level-concat-iterator@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/level-concat-iterator/-/level-concat-iterator-2.0.1.tgz#1d1009cf108340252cb38c51f9727311193e6263"
+  integrity sha512-OTKKOqeav2QWcERMJR7IS9CUo1sHnke2C0gkSmcR7QuEtFNLLzHQAvnMw8ykvEcv0Qtkg0p7FOwP1v9e5Smdcw==
+
 level-errors@^1.0.3:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-1.1.2.tgz#4399c2f3d3ab87d0625f7e3676e2d807deff404d"
@@ -3808,6 +4292,15 @@ level-iterator-stream@~3.0.0:
     readable-stream "^2.3.6"
     xtend "^4.0.0"
 
+level-iterator-stream@~4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-4.0.2.tgz#7ceba69b713b0d7e22fcc0d1f128ccdc8a24f79c"
+  integrity sha512-ZSthfEqzGSOMWoUGhTXdX9jv26d32XJuHz/5YnuHZzH6wldfWMOVwI9TBtKcya4BKTyTt3XVA0A3cF3q5CY30Q==
+  dependencies:
+    inherits "^2.0.4"
+    readable-stream "^3.4.0"
+    xtend "^4.0.2"
+
 level-mem@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/level-mem/-/level-mem-3.0.1.tgz#7ce8cf256eac40f716eb6489654726247f5a89e5"
@@ -3815,6 +4308,22 @@ level-mem@^3.0.1:
     level-packager "~4.0.0"
     memdown "~3.0.0"
 
+level-mem@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/level-mem/-/level-mem-5.0.1.tgz#c345126b74f5b8aa376dc77d36813a177ef8251d"
+  integrity sha512-qd+qUJHXsGSFoHTziptAKXoLX87QjR7v2KMbqncDXPxQuCdsQlzmyX+gwrEHhlzn08vkf8TyipYyMmiC6Gobzg==
+  dependencies:
+    level-packager "^5.0.3"
+    memdown "^5.0.0"
+
+level-packager@^5.0.3:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/level-packager/-/level-packager-5.1.1.tgz#323ec842d6babe7336f70299c14df2e329c18939"
+  integrity sha512-HMwMaQPlTC1IlcwT3+swhqf/NUO+ZhXVz6TY1zZIIZlIR0YSn8GtAAWmIvKjNY16ZkEg/JcpAuQskxsXqC0yOQ==
+  dependencies:
+    encoding-down "^6.3.0"
+    levelup "^4.3.2"
+
 level-packager@~4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/level-packager/-/level-packager-4.0.1.tgz#7e7d3016af005be0869bc5fa8de93d2a7f56ffe6"
@@ -3822,6 +4331,13 @@ level-packager@~4.0.0:
     encoding-down "~5.0.0"
     levelup "^3.0.0"
 
+level-supports@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/level-supports/-/level-supports-1.0.1.tgz#2f530a596834c7301622521988e2c36bb77d122d"
+  integrity sha512-rXM7GYnW8gsl1vedTJIbzOrRv85c/2uCMpiiCzO2fndd06U/kUXEEU9evYn4zFggBOg36IsBW8LzqIpETwwQzg==
+  dependencies:
+    xtend "^4.0.2"
+
 level-ws@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/level-ws/-/level-ws-0.0.0.tgz#372e512177924a00424b0b43aef2bb42496d228b"
@@ -3837,6 +4353,15 @@ level-ws@^1.0.0:
     readable-stream "^2.2.8"
     xtend "^4.0.1"
 
+level-ws@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/level-ws/-/level-ws-2.0.0.tgz#207a07bcd0164a0ec5d62c304b4615c54436d339"
+  integrity sha512-1iv7VXx0G9ec1isqQZ7y5LmoZo/ewAsyDHNA8EFDW5hqH2Kqovm33nSFkSdnLLAK+I5FlT+lo5Cw9itGe+CpQA==
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^3.1.0"
+    xtend "^4.0.1"
+
 levelup@^1.2.1:
   version "1.3.9"
   resolved "https://registry.yarnpkg.com/levelup/-/levelup-1.3.9.tgz#2dbcae845b2bb2b6bea84df334c475533bbd82ab"
@@ -3858,6 +4383,17 @@ levelup@^3.0.0:
     level-iterator-stream "~3.0.0"
     xtend "~4.0.0"
 
+levelup@^4.3.2:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/levelup/-/levelup-4.4.0.tgz#f89da3a228c38deb49c48f88a70fb71f01cafed6"
+  integrity sha512-94++VFO3qN95cM/d6eBXvd894oJE0w3cInq9USsyQzzoJxmiYzPAocNcuGCPGGjoXqDVJcr3C1jzt1TSjyaiLQ==
+  dependencies:
+    deferred-leveldown "~5.3.0"
+    level-errors "~2.0.0"
+    level-iterator-stream "~4.0.0"
+    level-supports "~1.0.0"
+    xtend "~4.0.0"
+
 levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -3992,6 +4528,13 @@ markdown-table@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/markdown-table/-/markdown-table-1.1.3.tgz#9fcb69bcfdb8717bfd0398c6ec2d93036ef8de60"
 
+mcl-wasm@^0.7.1:
+  version "0.7.8"
+  resolved "https://registry.yarnpkg.com/mcl-wasm/-/mcl-wasm-0.7.8.tgz#4d0dc5a92f7bd20892fd3fcd41764acf86fd1e6e"
+  integrity sha512-qNHlYO6wuEtSoH5A8TcZfCEHtw8gGPqF6hLZpQn2SVd/Mck0ELIKOkmj072D98S9B9CI/jZybTUC96q1P2/ZDw==
+  dependencies:
+    typescript "^4.3.4"
+
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"
@@ -4029,6 +4572,18 @@ memdown@^1.0.0:
     ltgt "~2.2.0"
     safe-buffer "~5.1.1"
 
+memdown@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/memdown/-/memdown-5.1.0.tgz#608e91a9f10f37f5b5fe767667a8674129a833cb"
+  integrity sha512-B3J+UizMRAlEArDjWHTMmadet+UKwHd3UjMgGBkZcKAxAYVPS9o0Yeiha4qvz7iGiL2Sb3igUft6p7nbFWctpw==
+  dependencies:
+    abstract-leveldown "~6.2.1"
+    functional-red-black-tree "~1.0.1"
+    immediate "~3.2.3"
+    inherits "~2.0.1"
+    ltgt "~2.2.0"
+    safe-buffer "~5.2.0"
+
 memdown@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/memdown/-/memdown-3.0.0.tgz#93aca055d743b20efc37492e9e399784f2958309"
@@ -4083,6 +4638,19 @@ merkle-patricia-tree@^3.0.0:
     rlp "^2.0.0"
     semaphore ">=1.0.1"
 
+merkle-patricia-tree@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-4.2.0.tgz#a204b9041be5c25e8d14f0ff47021de090e811a1"
+  integrity sha512-0sBVXs7z1Q1/kxzWZ3nPnxSPiaHKF/f497UQzt9O7isRcS10tel9jM/4TivF6Jv7V1yFq4bWyoATxbDUOen5vQ==
+  dependencies:
+    "@types/levelup" "^4.3.0"
+    ethereumjs-util "^7.0.10"
+    level-mem "^5.0.1"
+    level-ws "^2.0.0"
+    readable-stream "^3.6.0"
+    rlp "^2.2.4"
+    semaphore-async-await "^1.5.1"
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
@@ -4198,6 +4766,13 @@ mkdirp@0.5.5:
   dependencies:
     minimist "^1.2.5"
 
+mnemonist@^0.38.0:
+  version "0.38.3"
+  resolved "https://registry.yarnpkg.com/mnemonist/-/mnemonist-0.38.3.tgz#35ec79c1c1f4357cfda2fe264659c2775ccd7d9d"
+  integrity sha512-2K9QYubXx/NAjv4VLq1d1Ly8pWNC5L3BrixtdkyTegXWJIqY+zLNDhhX/A+ZwWt70tB1S8H4BE8FLYEFyNoOBw==
+  dependencies:
+    obliterator "^1.6.1"
+
 mocha@5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-5.2.0.tgz#6d8ae508f59167f940f2b5b3c4a612ae50c90ae6"
@@ -4483,6 +5058,11 @@ object-assign@^4, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
+object-inspect@^1.10.3:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.11.0.tgz#9dceb146cedd4148a0d9e51ab88d34cf509922b1"
+  integrity sha512-jp7ikS6Sd3GxQfZJPyH3cjcbJF6GZPClgdV+EFygjFLQ5FmW/dRUnTd9PQ9k0JhoNDabWFbpF1yCdSWCC6gexg==
+
 object-inspect@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
@@ -4504,6 +5084,16 @@ object.assign@4.1.0:
     has-symbols "^1.0.0"
     object-keys "^1.0.11"
 
+object.assign@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.2.tgz#0ed54a342eceb37b38ff76eb831a0e788cb63940"
+  integrity sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
 object.getownpropertydescriptors@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
@@ -4511,6 +5101,20 @@ object.getownpropertydescriptors@^2.0.3:
     define-properties "^1.1.2"
     es-abstract "^1.5.1"
 
+object.getownpropertydescriptors@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.1.2.tgz#1bd63aeacf0d5d2d2f31b5e393b03a7c601a23f7"
+  integrity sha512-WtxeKSzfBjlzL+F9b7M7hewDzMwy+C8NRssHd1YrNlzHzIDrXcXiNOMrezdAEM4UXixgV+vvnyBeN7Rygl2ttQ==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.2"
+
+obliterator@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/obliterator/-/obliterator-1.6.1.tgz#dea03e8ab821f6c4d96a299e17aef6a3af994ef3"
+  integrity sha512-9WXswnqINnnhOG/5SLimUlzuU1hFJUc8zkwyD59Sd+dPOMf05PmnYG/d6Q7HZ+KmgkZJa1PxRso6QdM3sTNHig==
+
 oboe@2.1.4:
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.4.tgz#20c88cdb0c15371bb04119257d4fdd34b0aa49f6"
@@ -4819,6 +5423,11 @@ prepend-http@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
 
+printj@~1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/printj/-/printj-1.1.2.tgz#d90deb2975a8b9f600fb3a1c94e3f4c53c78a222"
+  integrity sha512-zA2SmoLaxZyArQTOPj5LXecR+RagfPSU5Kw1qP+jkWeNlrq+eJZyY2oS68SU1Z/7/myXM4lo9716laOFAVStCQ==
+
 process-nextick-args@~2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
@@ -5009,7 +5618,7 @@ readable-stream@^3.0.6:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
-readable-stream@^3.1.1, readable-stream@^3.6.0:
+readable-stream@^3.1.0, readable-stream@^3.1.1, readable-stream@^3.4.0, readable-stream@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   dependencies:
@@ -5208,6 +5817,13 @@ 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"
+
 run-parallel@^1.1.9:
   version "1.1.9"
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.9.tgz#c9dd3a7cf9f4b2c4b6244e173a6ed866e61dd679"
@@ -5294,6 +5910,11 @@ seek-bzip@^1.0.5:
   dependencies:
     commander "^2.8.1"
 
+semaphore-async-await@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/semaphore-async-await/-/semaphore-async-await-1.5.1.tgz#857bef5e3644601ca4b9570b87e9df5ca12974fa"
+  integrity sha1-hXvvXjZEYBykuVcLh+nfXKEpdPo=
+
 semaphore@>=1.0.1, semaphore@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/semaphore/-/semaphore-1.1.0.tgz#aaad8b86b20fe8e9b32b16dc2ee682a8cd26a8aa"
@@ -5517,6 +6138,7 @@ source-map-support@^0.5.19:
 source-map@^0.5.0:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
@@ -5628,6 +6250,14 @@ string.prototype.trim@^1.1.2:
     es-abstract "^1.5.0"
     function-bind "^1.0.2"
 
+string.prototype.trimend@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz#e75ae90c2942c63504686c18b287b4a0b1a45f80"
+  integrity sha512-y9xCjw1P23Awk8EvTpcyL2NIr1j7wJ39f+k6lvRnSMz+mz9CGz9NYPelDk42kOz6+ql8xjfK8oYzy3jAP5QU5A==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
 string.prototype.trimleft@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz#6cc47f0d7eb8d62b0f3701611715a3954591d634"
@@ -5642,6 +6272,14 @@ string.prototype.trimright@^2.1.0:
     define-properties "^1.1.3"
     function-bind "^1.1.1"
 
+string.prototype.trimstart@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimstart/-/string.prototype.trimstart-1.0.4.tgz#b36399af4ab2999b4c9c648bd7a3fb2bb26feeed"
+  integrity sha512-jh6e984OBfvxS50tdY2nRZnoC5/mLFKOREQfw8t5yytkoUsJRNxvI/E39qu1sD0OtWI3OC0XgKSmcWwziwYuZw==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
 string_decoder@^1.1.1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
@@ -6013,6 +6651,11 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
+typescript@^4.3.4:
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.5.tgz#4d1c37cc16e893973c45a06886b7113234f119f4"
+  integrity sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==
+
 uglify-js@^3.1.4:
   version "3.7.3"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
@@ -6024,6 +6667,16 @@ ultron@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
 
+unbox-primitive@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/unbox-primitive/-/unbox-primitive-1.0.1.tgz#085e215625ec3162574dc8859abee78a59b14471"
+  integrity sha512-tZU/3NqK3dA5gpE1KtyiJUrEB0lxnGkMFHptJ7q6ewdZ8s12QrODwNbhIJStmJkd1QDXa1NRA8aF2A1zk/Ypyw==
+  dependencies:
+    function-bind "^1.1.1"
+    has-bigints "^1.0.1"
+    has-symbols "^1.0.2"
+    which-boxed-primitive "^1.0.2"
+
 unbzip2-stream@^1.0.9:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.4.3.tgz#b0da04c4371311df771cdc215e87f2130991ace7"
@@ -6096,6 +6749,17 @@ util.promisify@^1.0.0:
     define-properties "^1.1.2"
     object.getownpropertydescriptors "^2.0.3"
 
+util.promisify@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/util.promisify/-/util.promisify-1.1.1.tgz#77832f57ced2c9478174149cae9b96e9918cd54b"
+  integrity sha512-/s3UsZUrIfa6xDhr7zZhnE9SLQ5RIXyYfiVnMMyMDzOc8WhWN4Nbh36H842OyurKbCDAesZOJaVyvmSl6fhGQw==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    for-each "^0.3.3"
+    has-symbols "^1.0.1"
+    object.getownpropertydescriptors "^2.1.1"
+
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
@@ -6810,6 +7474,17 @@ websocket@^1.0.31:
     typedarray-to-buffer "^3.1.5"
     yaeti "^0.0.6"
 
+which-boxed-primitive@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz#13757bc89b209b049fe5d86430e21cf40a89a8e6"
+  integrity sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==
+  dependencies:
+    is-bigint "^1.0.1"
+    is-boolean-object "^1.1.0"
+    is-number-object "^1.0.4"
+    is-string "^1.0.5"
+    is-symbol "^1.0.3"
+
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
@@ -6877,6 +7552,11 @@ ws@^7.2.1:
   version "7.3.0"
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.0.tgz#4b2f7f219b3d3737bc1a2fbf145d825b94d38ffd"
 
+ws@^7.4.6:
+  version "7.5.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.3.tgz#160835b63c7d97bfab418fc1b8a9fced2ac01a74"
+  integrity sha512-kQ/dHIzuLrS6Je9+uv81ueZomEwH0qVYstcAQ4/Z93K8zeko9gtAbttJWzoC5ukqXY1PpoouV3+VSOqEAFt5wg==
+
 xdg-basedir@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-3.0.0.tgz#496b2cc109eca8dbacfe2dc72b603c17c5870ad4"
@@ -6918,7 +7598,7 @@ xmlhttprequest@1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz#67fe075c5c24fef39f9d65f5f7b7fe75171968fc"
 
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.0:
+xtend@^4.0.0, xtend@^4.0.1, xtend@^4.0.2, xtend@~4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"