From 46614a6030ce61cacc2169449528de8bb4953c16 Mon Sep 17 00:00:00 2001
From: Giovanni Di Siena <giodisiena@gmail.com>
Date: Fri, 24 Dec 2021 20:26:16 +0000
Subject: [PATCH 1/2] Add keepers example using function selector checkData

---
 contracts/KeepersCounter.sol          |  74 ++++++++++--
 deploy/04_Deploy_KeepersCounter.js    |   3 +-
 helper-hardhat-config.js              |  15 ++-
 package.json                          |   1 +
 test/unit/KeepersCounter_unit_test.js | 112 +++++++++++++++++-
 yarn.lock                             | 162 +++++++++++++++++++++++++-
 6 files changed, 343 insertions(+), 24 deletions(-)

diff --git a/contracts/KeepersCounter.sol b/contracts/KeepersCounter.sol
index aa5235bd3..819f04fe6 100644
--- a/contracts/KeepersCounter.sol
+++ b/contracts/KeepersCounter.sol
@@ -8,27 +8,83 @@ contract Counter is KeeperCompatibleInterface {
     */
     uint public counter;
 
+    /**
+    * Public multiplier boolean variable
+    */
+    bool public multiplierEnabled;
+
     /**
     * Use an interval in seconds and a timestamp to slow execution of Upkeep
     */
     uint public immutable interval;
     uint public lastTimeStamp;
+	
+	// keccak256 hash of empty checkData
+	bytes32 constant public emptyCheckDataHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
 
-    constructor(uint updateInterval) {
+    constructor(uint updateInterval, bool _multiplierEnabled) {
       interval = updateInterval;
       lastTimeStamp = block.timestamp;
-
       counter = 0;
+      multiplierEnabled = _multiplierEnabled;
+    }
+
+	function setMultiplierEnabled(bool _enabled) external {
+		multiplierEnabled = _enabled;
+	}
+
+    function checkMultiplier() external view returns (bool upkeepNeeded, bytes memory performData) {
+        upkeepNeeded = multiplierEnabled && (counter == 3 || counter == 10);
+        if (upkeepNeeded) {
+            uint256 multiplier = counter % 2 == 0 ? 10 : 3;
+            performData = abi.encodeWithSelector(this.multiplyCounter.selector, multiplier);
+        }
+        return (upkeepNeeded, performData);
     }
 
-    function checkUpkeep(bytes calldata /* checkData */) external override returns (bool upkeepNeeded, bytes memory /* performData */) {
-        upkeepNeeded = (block.timestamp - lastTimeStamp) > interval;
-        // We don't use the checkData in this example. The checkData is defined when the Upkeep was registered.
+    function checkReset() external view returns (bool upkeepNeeded, bytes memory performData) {
+        upkeepNeeded = counter > 100;
+        performData = abi.encodePacked(bytes4(abi.encodeWithSelector(this.resetCounter.selector, "")));
+        return (upkeepNeeded, performData);
+    }
+
+    function multiplyCounter(uint256 _amount) external {
+        require(multiplierEnabled && (counter == 3 || counter == 10), "Upkeep not satisfied");
+        require(counter == _amount, "Only valid multiplier");
+        counter *= _amount;
+    }
+
+    function resetCounter() external {
+        require(counter > 100, "Too early");
+        counter = 0;
+    }
+
+    function checkUpkeep(bytes calldata checkData)
+		external
+		view
+		override
+		returns (bool upkeepNeeded, bytes memory performData)
+	{
+		if (keccak256(checkData) == emptyCheckDataHash) {
+			// We don't use the checkData in this example. The checkData is defined when the Upkeep was registered.
+			upkeepNeeded = (block.timestamp - lastTimeStamp) > interval;
+			performData = "";
+		} else {
+            (bool success, bytes memory returnedData) = address(this).staticcall(checkData);
+            require(success);
+
+            (upkeepNeeded, performData) = abi.decode(returnedData, (bool, bytes));
+        }
     }
 
-    function performUpkeep(bytes calldata /* performData */) external override {
-        lastTimeStamp = block.timestamp;
-        counter = counter + 1;
-        // We don't use the performData in this example. The performData is generated by the Keeper's call to your checkUpkeep function
+    function performUpkeep(bytes calldata performData) external override {
+		lastTimeStamp = block.timestamp;
+        if (keccak256(performData) == emptyCheckDataHash) {
+			// We don't use the performData in this example. The performData is generated by the Keeper's call to your checkUpkeep function
+			counter = counter + 1;
+		} else {
+            (bool success, ) = address(this).call(performData);
+            require(success);
+        }
     }
 }
\ No newline at end of file
diff --git a/deploy/04_Deploy_KeepersCounter.js b/deploy/04_Deploy_KeepersCounter.js
index f91067bf0..72c392f48 100644
--- a/deploy/04_Deploy_KeepersCounter.js
+++ b/deploy/04_Deploy_KeepersCounter.js
@@ -10,11 +10,12 @@ module.exports = async ({
     const { deployer } = await getNamedAccounts()
     const chainId = await getChainId()
     let keepersUpdateInterval = networkConfig[chainId]['keepersUpdateInterval']
+    let multiplierEnabled = networkConfig[chainId]['multiplierEnabled']
     // Price Feed Address, values can be obtained at https://docs.chain.link/docs/reference-contracts
     // Default one below is ETH/USD contract on Kovan
     const keepersCounter = await deploy('Counter', {
         from: deployer,
-        args: [keepersUpdateInterval],
+        args: [keepersUpdateInterval, multiplierEnabled],
         log: true
     })
     log("Head to https://keepers.chain.link/ to register your contract for upkeeps. Then run the following command to track the counter updates")
diff --git a/helper-hardhat-config.js b/helper-hardhat-config.js
index a7b6ce4d6..c0f2c6144 100644
--- a/helper-hardhat-config.js
+++ b/helper-hardhat-config.js
@@ -5,7 +5,8 @@ const networkConfig = {
         keyHash: '0x6c3699283bda56ad74f6b855546325b68d482e983852a7a82979cc4807b641f4',
         jobId: '29fa9aa13bf1468788b7cc4a500a45b8',
         fundAmount: "1000000000000000000",
-        keepersUpdateInterval: "30"
+        keepersUpdateInterval: "30",
+        multiplierEnabled: "true"
     },
     31337: {
         name: 'localhost',
@@ -13,7 +14,8 @@ const networkConfig = {
         keyHash: '0x6c3699283bda56ad74f6b855546325b68d482e983852a7a82979cc4807b641f4',
         jobId: '29fa9aa13bf1468788b7cc4a500a45b8',
         fundAmount: "1000000000000000000",
-        keepersUpdateInterval: "30"
+        keepersUpdateInterval: "30",
+        multiplierEnabled: "true"
     },
     42: {
         name: 'kovan',
@@ -25,7 +27,8 @@ const networkConfig = {
         jobId: 'd5270d1c311941d0b08bead21fea7747',
         fee: '100000000000000000',
         fundAmount: "1000000000000000000",
-        keepersUpdateInterval: "30"
+        keepersUpdateInterval: "30",
+        multiplierEnabled: "true"
     },
     4: {
         name: 'rinkeby',
@@ -37,13 +40,15 @@ const networkConfig = {
         jobId: '6b88e0402e5d415eb946e528b8e0c7ba',
         fee: '100000000000000000',
         fundAmount: "1000000000000000000",
-        keepersUpdateInterval: "30"
+        keepersUpdateInterval: "30",
+        multiplierEnabled: "true"
     },
     1: {
         name: 'mainnet',
         linkToken: '0x514910771af9ca656af840dff83e8264ecf986ca',
         fundAmount: "0",
-        keepersUpdateInterval: "30"
+        keepersUpdateInterval: "30",
+        multiplierEnabled: "true"
     },
     5: {
         name: 'goerli',
diff --git a/package.json b/package.json
index 8219e0a3d..069ef4675 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
     "@nomiclabs/hardhat-etherscan": "^2.1.7",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
     "@nomiclabs/hardhat-web3": "^2.0.0",
+    "@openzeppelin/test-helpers": "^0.5.15",
     "chai": "^4.3.4",
     "chai-bignumber": "^3.0.0",
     "chai-bn": "^0.2.1",
diff --git a/test/unit/KeepersCounter_unit_test.js b/test/unit/KeepersCounter_unit_test.js
index 6b19dcf8d..fda2bcc72 100644
--- a/test/unit/KeepersCounter_unit_test.js
+++ b/test/unit/KeepersCounter_unit_test.js
@@ -5,6 +5,7 @@ const skipIf = require('mocha-skip-if')
 chai.use(require('chai-bn')(BN))
 const { deployments, getChainId } = require('hardhat')
 const { networkConfig, developmentChains } = require('../../helper-hardhat-config')
+const { expectRevert } = require('@openzeppelin/test-helpers')
 
 skip.if(!developmentChains.includes(network.name)).
   describe('Keepers Counter Unit Tests', async function () {
@@ -14,19 +15,118 @@ skip.if(!developmentChains.includes(network.name)).
       await deployments.fixture(['mocks', 'keepers'])
       const Counter = await deployments.get("Counter")
       counter = await ethers.getContractAt("Counter", Counter.address)
+      chainId = await getChainId()
     })
 
-    it('should be able to call checkUpkeep', async () => {
-      const checkData = ethers.utils.keccak256(ethers.utils.toUtf8Bytes(""));
-      const { upkeepNeeded, performData } = await counter.checkUpkeep(checkData);
-    })
+    context("Basic upkeep", async () => {
+      it('should be able to call checkUpkeep', async () => {
+        const checkData = ethers.utils.hexlify("0x");
+        const { upkeepNeeded, performData } = await counter.checkUpkeep(checkData);
+      })
 
-    it('should be able to call performUpkeep', async () => {
-        const checkData = ethers.utils.keccak256(ethers.utils.toUtf8Bytes(""));
+      it('should be able to call performUpkeep', async () => {
+        const checkData = ethers.utils.hexlify("0x");
         await counter.performUpkeep(checkData);
         //now get the new counter value
         const result = await counter.counter()
         console.log("Keepers Counter value: ", new ethers.BigNumber.from(result._hex).toString())
         expect(new ethers.BigNumber.from(result).toString()).to.be.a.bignumber.that.is.greaterThan(new ethers.BigNumber.from(0).toString())
       })
+    })
+
+    context("Upkeep with checkData - unhappy paths", async () => {
+      before(function() {
+        if(networkConfig[chainId].multiplierEnabled == "false") this.skip();
+      });
+      it("Should not require upkeep from checkMultiplier if not enabled", async () => {
+        await counter.setMultiplierEnabled(false);
+        const returnData = await counter.checkMultiplier()
+        expect(returnData[0]).to.be.equal(false)
+      })
+
+      it("Should not multiply counter if not enabled", async () => {
+        await expectRevert(counter.multiplyCounter(3), "Upkeep not satisfied")
+      })
+
+      it("Should not require upkeep from checkMultiplier if not valid value", async () => {
+        await counter.setMultiplierEnabled(true);
+        const returnData = await counter.checkMultiplier()
+        expect(returnData[0]).to.be.equal(false)
+      })
+
+      it("Should not multiply counter if not valid value", async () => {
+        for(let i=0; i<3; i++) {
+          await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        }
+        await expectRevert(counter.multiplyCounter(2), "Only valid multiplier")
+      })
+
+      it("Should not require upkeep from checkReset if too early", async () => {
+        const returnData = await counter.checkReset()
+        expect(returnData[0]).to.be.equal(false)
+      })
+
+      it("Should not reset counter if too early", async () => {
+        await expectRevert(counter.resetCounter(), "Too early")
+      })
+    })
+
+    context("Upkeep with checkData - happy paths", async () => {
+      before(function() {
+        if(networkConfig[chainId].multiplierEnabled == "false") this.skip();
+      });
+      beforeEach(async () => {
+        for(let i=0; i<3; i++) {
+          await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        }
+      })
+
+      it("Should be able to call checkUpkeep for checkMultiplier", async () => {
+        const abi = ["function checkMultiplier()", "function multiplyCounter(uint)"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("checkMultiplier", [])
+        console.log(`checkMultiplier checkData: ${checkData}`)
+        const { upkeepNeeded, performData } = await counter.checkUpkeep(checkData)
+        const calldata = iface.encodeFunctionData("multiplyCounter", ["3"])
+        expect(upkeepNeeded).to.be.equal(true)
+        expect(performData).to.be.equal(calldata)
+      })
+
+      it("Should call performUpkeep for multiplyCounter", async () => {
+        const abi = ["function multiplyCounter(uint)"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("multiplyCounter", ["3"])
+        await counter.performUpkeep(checkData)
+        const result = await counter.counter()
+        expect(result).to.be.equal(new ethers.BigNumber.from("9"))
+      })
+
+      it("Should be able to call checkUpkeep for checkReset", async () => {
+        await counter.multiplyCounter(3);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        await counter.multiplyCounter(10);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        const abi = ["function checkReset()", "function resetCounter()"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("checkReset", [])
+        console.log(`checkReset checkData: ${checkData}`)
+        const { upkeepNeeded, performData } = await counter.checkUpkeep(checkData)
+        const calldata = iface.encodeFunctionData("resetCounter", [])
+        expect(upkeepNeeded).to.be.equal(true)
+        expect(performData).to.be.equal(calldata)
+      })
+
+      it("Should call performUpkeep for resetCounter", async () => {
+        await counter.multiplyCounter(3);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        await counter.multiplyCounter(10);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        const abi = ["function resetCounter()"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("resetCounter", [])
+        await counter.performUpkeep(checkData)
+        const result = await counter.counter()
+        expect(result).to.be.equal(new ethers.BigNumber.from("0"))
+      })
+    })
   })
diff --git a/yarn.lock b/yarn.lock
index 51d2be6fd..956f4938c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1100,11 +1100,35 @@
     ethers "^4.0.0-beta.1"
     source-map-support "^0.5.19"
 
+"@openzeppelin/contract-loader@^0.6.2":
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contract-loader/-/contract-loader-0.6.3.tgz#61a7b44de327e40b7d53f39e0fb59bbf847335c3"
+  integrity sha512-cOFIjBjwbGgZhDZsitNgJl0Ye1rd5yu/Yx5LMgeq3u0ZYzldm4uObzHDFq4gjDdoypvyORjjJa3BlFA7eAnVIg==
+  dependencies:
+    find-up "^4.1.0"
+    fs-extra "^8.1.0"
+
 "@openzeppelin/contracts@^3.4.0":
   version "3.4.2"
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.4.2.tgz#d81f786fda2871d1eb8a8c5a73e455753ba53527"
   integrity sha512-z0zMCjyhhp4y7XKAcDAi3Vgms4T2PstwBdahiO0+9NaGICQKjynK3wduSRplTgk4LXmoO1yfDGO5RbjKYxtuxA==
 
+"@openzeppelin/test-helpers@^0.5.15":
+  version "0.5.15"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/test-helpers/-/test-helpers-0.5.15.tgz#7727d4bb1535e1fa2372d65d1dcee335ce8d36af"
+  integrity sha512-10fS0kyOjc/UObo9iEWPNbC6MCeiQ7z97LDOJBj68g+AAs5pIGEI2h3V6G9TYTIq8VxOdwMQbfjKrx7Y3YZJtA==
+  dependencies:
+    "@openzeppelin/contract-loader" "^0.6.2"
+    "@truffle/contract" "^4.0.35"
+    ansi-colors "^3.2.3"
+    chai "^4.2.0"
+    chai-bn "^0.2.1"
+    ethjs-abi "^0.2.1"
+    lodash.flatten "^4.4.0"
+    semver "^5.6.0"
+    web3 "^1.2.5"
+    web3-utils "^1.2.5"
+
 "@resolver-engine/core@^0.3.3":
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/@resolver-engine/core/-/core-0.3.3.tgz#590f77d85d45bc7ecc4e06c654f41345db6ca967"
@@ -1259,6 +1283,15 @@
     faker "^5.3.1"
     fast-check "^2.12.1"
 
+"@truffle/abi-utils@^0.2.5":
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/@truffle/abi-utils/-/abi-utils-0.2.5.tgz#62d2876e11fee76479de2aac0a1872fb7035ba24"
+  integrity sha512-eKDIn9LqUFP8MnHVohe8ncuza4p9bszz1NtJWc+sr5zUogtmWnnf8Ajyj7JJpNKhLNDVZVbLowVEVxWzSSpMHw==
+  dependencies:
+    change-case "3.0.2"
+    faker "^5.3.1"
+    fast-check "^2.12.1"
+
 "@truffle/blockchain-utils@^0.0.25":
   version "0.0.25"
   resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.25.tgz#f4b320890113d282f25f1a1ecd65b94a8b763ac1"
@@ -1290,6 +1323,25 @@
     utf8 "^3.0.0"
     web3-utils "1.5.3"
 
+"@truffle/codec@^0.11.21":
+  version "0.11.21"
+  resolved "https://registry.yarnpkg.com/@truffle/codec/-/codec-0.11.21.tgz#4c87def76104661fe7f428e10ff8f69e66c68422"
+  integrity sha512-ZDzaEPCUFWmQuFsXA3KzXmU4w4lpxSWZTGUcEDHxn6IqAmL7FY8mmdbR6LQ1wTRAa9oPf84PcehMpTNY47HVcg==
+  dependencies:
+    "@truffle/abi-utils" "^0.2.5"
+    "@truffle/compile-common" "^0.7.23"
+    big.js "^5.2.2"
+    bn.js "^5.1.3"
+    cbor "^5.1.0"
+    debug "^4.3.1"
+    lodash.clonedeep "^4.5.0"
+    lodash.escaperegexp "^4.1.2"
+    lodash.partition "^4.6.0"
+    lodash.sum "^4.0.2"
+    semver "^7.3.4"
+    utf8 "^3.0.0"
+    web3-utils "1.5.3"
+
 "@truffle/codec@^0.7.1":
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/@truffle/codec/-/codec-0.7.1.tgz#2ef0fa40109040796afbebb8812c872122100ae4"
@@ -1316,6 +1368,14 @@
     "@truffle/error" "^0.0.14"
     colors "^1.4.0"
 
+"@truffle/compile-common@^0.7.23":
+  version "0.7.23"
+  resolved "https://registry.yarnpkg.com/@truffle/compile-common/-/compile-common-0.7.23.tgz#4176ca8e499cd004618abca4e8c2bd9db43bed25"
+  integrity sha512-LWzeboJ9HmSZVgx5DMmKArOo96V4QZhS/+8beDOfeNT1W4QeKfkuVbAM0R77cXjiLnUsNjjFVXehnco6HiF8ww==
+  dependencies:
+    "@truffle/error" "^0.0.14"
+    colors "^1.4.0"
+
 "@truffle/contract-schema@^3.2.5", "@truffle/contract-schema@^3.4.3":
   version "3.4.3"
   resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.4.3.tgz#c1bcde343f70b9438314202e103a7d77d684603c"
@@ -1324,6 +1384,34 @@
     ajv "^6.10.0"
     debug "^4.3.1"
 
+"@truffle/contract-schema@^3.4.4":
+  version "3.4.4"
+  resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.4.4.tgz#e98f30c5db91f8ca6f239f2a27029b05e3dadf5b"
+  integrity sha512-xWgrm6WRM2jmT04w7dP7aVbS2qyP9XPmH/mybQtFXMjJ/8BZlp0yltC8QOs8sGl6q8Ws7acp19YtRkLdK6SsmQ==
+  dependencies:
+    ajv "^6.10.0"
+    debug "^4.3.1"
+
+"@truffle/contract@^4.0.35":
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.4.2.tgz#b96941435ae0321f6a61fd02fcc453b782ba2015"
+  integrity sha512-w/iyB5dZ3KnIuvX1dqD1Z1SWFahT9/nvA1VAsK+eIy+zvtI1phx365uV75LdIoyeBtR1GmbqAO4F7ZLSfjkP+w==
+  dependencies:
+    "@ensdomains/ensjs" "^2.0.1"
+    "@truffle/blockchain-utils" "^0.0.31"
+    "@truffle/contract-schema" "^3.4.4"
+    "@truffle/debug-utils" "^6.0.3"
+    "@truffle/error" "^0.0.14"
+    "@truffle/interface-adapter" "^0.5.8"
+    bignumber.js "^7.2.1"
+    debug "^4.3.1"
+    ethers "^4.0.32"
+    web3 "1.5.3"
+    web3-core-helpers "1.5.3"
+    web3-core-promievent "1.5.3"
+    web3-eth-abi "1.5.3"
+    web3-utils "1.5.3"
+
 "@truffle/contract@^4.1.8", "@truffle/contract@^4.3.8":
   version "4.3.43"
   resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.3.43.tgz#0d3944d98e9924809283f8fa6adcfb0ffc130590"
@@ -1368,6 +1456,18 @@
     debug "^4.3.1"
     highlightjs-solidity "^2.0.2"
 
+"@truffle/debug-utils@^6.0.3":
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/@truffle/debug-utils/-/debug-utils-6.0.3.tgz#9bd2f54640840f26219f7c1e77a9227d04dc091c"
+  integrity sha512-wxvZqvHIBw9wJHtSpUMJTku8sHpC0VbP0gLyV5+NVa/rn6CvVGtf0MyoDZGS4FDyhO1hui+bzzoQftoRy7jWyA==
+  dependencies:
+    "@truffle/codec" "^0.11.21"
+    "@trufflesuite/chromafi" "^2.2.2"
+    bn.js "^5.1.3"
+    chalk "^2.4.2"
+    debug "^4.3.1"
+    highlightjs-solidity "^2.0.3"
+
 "@truffle/error@^0.0.11":
   version "0.0.11"
   resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.11.tgz#2789c0042d7e796dcbb840c7a9b5d2bcd8e0e2d8"
@@ -1856,6 +1956,11 @@ ansi-colors@3.2.3:
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.3.tgz#57d35b8686e851e2cc04c403f1c00203976a1813"
   integrity sha512-LEHHyuhlPY3TmuUYMh2oz89lTShfvgbmzaBcxve9t/9Wuy7Dwf4yoAKcND7KFT1HAQfqZ12qtc+DUrBMeKF9nw==
 
+ansi-colors@^3.2.3:
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.4.tgz#e3a3da4bfbae6c86a9c285625de124a234026fbf"
+  integrity sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==
+
 ansi-colors@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.1.tgz#cbb9ae256bf750af1eab344f229aa27fe94ba348"
@@ -5291,6 +5396,15 @@ ethers@^5.0.1, ethers@^5.0.13, ethers@^5.0.2, ethers@^5.4.7, ethers@^5.5.1:
     "@ethersproject/web" "5.5.1"
     "@ethersproject/wordlists" "5.5.0"
 
+ethjs-abi@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/ethjs-abi/-/ethjs-abi-0.2.1.tgz#e0a7a93a7e81163a94477bad56ede524ab6de533"
+  integrity sha1-4KepOn6BFjqUR3utVu3lJKtt5TM=
+  dependencies:
+    bn.js "4.11.6"
+    js-sha3 "0.5.5"
+    number-to-bn "1.7.0"
+
 ethjs-unit@0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"
@@ -5633,6 +5747,14 @@ find-up@^2.0.0, find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
+find-up@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
+  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
+  dependencies:
+    locate-path "^5.0.0"
+    path-exists "^4.0.0"
+
 find-yarn-workspace-root@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/find-yarn-workspace-root/-/find-yarn-workspace-root-1.2.1.tgz#40eb8e6e7c2502ddfaa2577c176f221422f860db"
@@ -6461,6 +6583,11 @@ highlightjs-solidity@^2.0.2:
   resolved "https://registry.yarnpkg.com/highlightjs-solidity/-/highlightjs-solidity-2.0.2.tgz#87ffdec3c51ae8b6def42d50f9a40b4676f57e4e"
   integrity sha512-q0aYUKiZ9MPQg41qx/KpXKaCpqql50qTvmwGYyLFfcjt9AE/+C9CwjVIdJZc7EYj6NGgJuFJ4im1gfgrzUU1fQ==
 
+highlightjs-solidity@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/highlightjs-solidity/-/highlightjs-solidity-2.0.3.tgz#c89b6eca7d462f849acfb3a94c18f7db2b6d0c69"
+  integrity sha512-tjFm5dtIE61VQBzjlZmkCtY5fLs3CaEABbVuUNyXeW+UuOCsxMg3MsPFy0kCelHP74hPpkoqDejLrbnV1axAIw==
+
 hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
@@ -7166,6 +7293,11 @@ isurl@^1.0.0-alpha5:
     has-to-string-tag-x "^1.2.0"
     is-object "^1.0.1"
 
+js-sha3@0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.5.tgz#baf0c0e8c54ad5903447df96ade7a4a1bca79a4a"
+  integrity sha1-uvDA6MVK1ZA0R9+Wreekobynmko=
+
 js-sha3@0.5.7, js-sha3@^0.5.7:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
@@ -7715,6 +7847,13 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+locate-path@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
+  integrity sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
+  dependencies:
+    p-locate "^4.1.0"
+
 lodash.assign@^4.0.3, lodash.assign@^4.0.6:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
@@ -7730,6 +7869,11 @@ lodash.escaperegexp@^4.1.2:
   resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
   integrity sha1-ZHYsSGGAglGKw99Mz11YhtriA0c=
 
+lodash.flatten@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
+  integrity sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8=
+
 lodash.merge@^4.6.2:
   version "4.6.2"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
@@ -8802,7 +8946,7 @@ p-limit@^1.1.0:
   dependencies:
     p-try "^1.0.0"
 
-p-limit@^2.0.0:
+p-limit@^2.0.0, p-limit@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
   integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
@@ -8823,6 +8967,13 @@ p-locate@^3.0.0:
   dependencies:
     p-limit "^2.0.0"
 
+p-locate@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-4.1.0.tgz#a3428bb7088b3a60292f66919278b7c297ad4f07"
+  integrity sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
+  dependencies:
+    p-limit "^2.2.0"
+
 p-timeout@^1.1.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/p-timeout/-/p-timeout-1.2.1.tgz#5eb3b353b7fce99f101a1038880bb054ebbea386"
@@ -8996,6 +9147,11 @@ path-exists@^3.0.0:
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
   integrity sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=
 
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
 path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
@@ -12500,7 +12656,7 @@ web3-utils@1.5.3:
     randombytes "^2.1.0"
     utf8 "3.0.0"
 
-web3-utils@1.6.1, web3-utils@^1.0.0-beta.31, web3-utils@^1.3.0:
+web3-utils@1.6.1, web3-utils@^1.0.0-beta.31, web3-utils@^1.2.5, web3-utils@^1.3.0:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.6.1.tgz#befcb23922b00603ab56d8c5b4158468dc494aca"
   integrity sha512-RidGKv5kOkcerI6jQqDFDoTllQQqV+rPhTzZHhmbqtFObbYpU93uc+yG1LHivRTQhA6llIx67iudc/vzisgO+w==
@@ -12552,7 +12708,7 @@ web3@1.5.3:
     web3-shh "1.5.3"
     web3-utils "1.5.3"
 
-web3@^1.0.0-beta.34:
+web3@^1.0.0-beta.34, web3@^1.2.5:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.6.1.tgz#c9e68fe7b3073adddf35393441f950ec69b92735"
   integrity sha512-c299lLiyb2/WOcxh7TinwvbATaMmrgNIeAzbLbmOKHI0LcwyfsB1eu2ReOIrfrCYDYRW2KAjYr7J7gHawqDNPQ==

From 408deaaf144ace0e9a69b85df6cb9aea9e080ef4 Mon Sep 17 00:00:00 2001
From: Giovanni Di Siena <giodisiena@gmail.com>
Date: Fri, 24 Dec 2021 20:26:16 +0000
Subject: [PATCH 2/2] Add keepers example using function selector checkData

---
 contracts/KeepersCounter.sol                  | 118 ++--
 .../fuzzing/KeepersCounterEchidnaTest.sol     |   2 +-
 deploy/04_Deploy_KeepersCounter.js            |   3 +-
 helper-hardhat-config.js                      |   9 +
 package.json                                  |   2 +
 test/unit/KeepersCounter_unit_test.js         | 126 +++-
 yarn.lock                                     | 602 +++++++++++++++++-
 7 files changed, 794 insertions(+), 68 deletions(-)

diff --git a/contracts/KeepersCounter.sol b/contracts/KeepersCounter.sol
index fa7104b10..dd55c846d 100644
--- a/contracts/KeepersCounter.sol
+++ b/contracts/KeepersCounter.sol
@@ -13,53 +13,83 @@ contract KeepersCounter is KeeperCompatibleInterface {
    */
   uint256 public counter;
 
-  /**
-   * Use an interval in seconds and a timestamp to slow execution of Upkeep
-   */
-  uint256 public immutable interval;
-  uint256 public lastTimeStamp;
+    /**
+    * Public multiplier boolean variable
+    */
+    bool public multiplierEnabled;
 
-  /**
-   * @notice Executes once when a contract is created to initialize state variables
-   *
-   * @param updateInterval - Period of time between two counter increments expressed as UNIX timestamp value
-   */
-  constructor(uint256 updateInterval) {
-    interval = updateInterval;
-    lastTimeStamp = block.timestamp;
+    /**
+    * Use an interval in seconds and a timestamp to slow execution of Upkeep
+    */
+    uint public immutable interval;
+    uint public lastTimeStamp;
+	
+	// keccak256 hash of empty checkData
+	bytes32 constant public emptyCheckDataHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
 
-    counter = 0;
-  }
+    constructor(uint updateInterval, bool _multiplierEnabled) {
+      interval = updateInterval;
+      lastTimeStamp = block.timestamp;
+      counter = 0;
+      multiplierEnabled = _multiplierEnabled;
+    }
 
-  /**
-   * @notice Checks if the contract requires work to be done
-   */
-  function checkUpkeep(
-    bytes memory /* checkData */
-  )
-    public
-    override
-    returns (
-      bool upkeepNeeded,
-      bytes memory /* performData */
-    )
-  {
-    upkeepNeeded = (block.timestamp - lastTimeStamp) > interval;
-    // We don't use the checkData in this example. The checkData is defined when the Upkeep was registered.
-  }
+	function setMultiplierEnabled(bool _enabled) external {
+		multiplierEnabled = _enabled;
+	}
 
-  /**
-   * @notice Performs the work on the contract, if instructed by :checkUpkeep():
-   */
-  function performUpkeep(
-    bytes calldata /* performData */
-  ) external override {
-    // add some verification
-    (bool upkeepNeeded, ) = checkUpkeep("");
-    require(upkeepNeeded, "Time interval not met");
+    function checkMultiplier() external view returns (bool upkeepNeeded, bytes memory performData) {
+        upkeepNeeded = multiplierEnabled && (counter == 3 || counter == 10);
+        if (upkeepNeeded) {
+            uint256 multiplier = counter % 2 == 0 ? 10 : 3;
+            performData = abi.encodeWithSelector(this.multiplyCounter.selector, multiplier);
+        }
+        return (upkeepNeeded, performData);
+    }
+
+    function checkReset() external view returns (bool upkeepNeeded, bytes memory performData) {
+        upkeepNeeded = counter > 100;
+        performData = abi.encodePacked(bytes4(abi.encodeWithSelector(this.resetCounter.selector, "")));
+        return (upkeepNeeded, performData);
+    }
+
+    function multiplyCounter(uint256 _amount) external {
+        require(multiplierEnabled && (counter == 3 || counter == 10), "Upkeep not satisfied");
+        require(counter == _amount, "Only valid multiplier");
+        counter *= _amount;
+    }
+
+    function resetCounter() external {
+        require(counter > 100, "Too early");
+        counter = 0;
+    }
+
+    function checkUpkeep(bytes calldata checkData)
+		external
+		view
+		override
+		returns (bool upkeepNeeded, bytes memory performData)
+	{
+		if (keccak256(checkData) == emptyCheckDataHash) {
+			// We don't use the checkData in this example. The checkData is defined when the Upkeep was registered.
+			upkeepNeeded = (block.timestamp - lastTimeStamp) > interval;
+			performData = "";
+		} else {
+            (bool success, bytes memory returnedData) = address(this).staticcall(checkData);
+            require(success);
+
+            (upkeepNeeded, performData) = abi.decode(returnedData, (bool, bytes));
+        }
+    }
 
-    lastTimeStamp = block.timestamp;
-    counter = counter + 1;
-    // We don't use the performData in this example. The performData is generated by the Keeper's call to your checkUpkeep function
-  }
+    function performUpkeep(bytes calldata performData) external override {
+		lastTimeStamp = block.timestamp;
+        if (keccak256(performData) == emptyCheckDataHash) {
+			// We don't use the performData in this example. The performData is generated by the Keeper's call to your checkUpkeep function
+			counter = counter + 1;
+		} else {
+            (bool success, ) = address(this).call(performData);
+            require(success);
+        }
+    }
 }
diff --git a/contracts/test/fuzzing/KeepersCounterEchidnaTest.sol b/contracts/test/fuzzing/KeepersCounterEchidnaTest.sol
index 57467bc9f..3947f2873 100644
--- a/contracts/test/fuzzing/KeepersCounterEchidnaTest.sol
+++ b/contracts/test/fuzzing/KeepersCounterEchidnaTest.sol
@@ -4,7 +4,7 @@ pragma solidity ^0.8.7;
 import "../../KeepersCounter.sol";
 
 contract KeepersCounterEchidnaTest is KeepersCounter {
-  constructor() KeepersCounter(8 days) {}
+  constructor() KeepersCounter(8 days, true) {}
 
   function echidna_test_perform_upkeep_gate() public view returns (bool) {
     return counter == 0;
diff --git a/deploy/04_Deploy_KeepersCounter.js b/deploy/04_Deploy_KeepersCounter.js
index e6b4b8804..cdb5a900d 100644
--- a/deploy/04_Deploy_KeepersCounter.js
+++ b/deploy/04_Deploy_KeepersCounter.js
@@ -11,12 +11,13 @@ module.exports = async ({ getNamedAccounts, deployments, getChainId }) => {
   const { deployer } = await getNamedAccounts()
   const chainId = network.config.chainId
   const keepersUpdateInterval = networkConfig[chainId]["keepersUpdateInterval"] || "30"
+  const multiplierEnabled = networkConfig[chainId]['multiplierEnabled'] || true
   // Price Feed Address, values can be obtained at https://docs.chain.link/docs/reference-contracts
   // Default one below is ETH/USD contract on Kovan
   const waitBlockConfirmations = developmentChains.includes(network.name)
     ? 1
     : VERIFICATION_BLOCK_CONFIRMATIONS
-  const args = [keepersUpdateInterval]
+  const args = [keepersUpdateInterval, multiplierEnabled]
   const keepersCounter = await deploy("KeepersCounter", {
     from: deployer,
     args: args,
diff --git a/helper-hardhat-config.js b/helper-hardhat-config.js
index 996b5d60e..fbfc906d3 100644
--- a/helper-hardhat-config.js
+++ b/helper-hardhat-config.js
@@ -6,6 +6,7 @@ const networkConfig = {
     jobId: "29fa9aa13bf1468788b7cc4a500a45b8",
     fundAmount: "1000000000000000000",
     keepersUpdateInterval: "30",
+    multiplierEnabled: "true",
   },
   31337: {
     name: "localhost",
@@ -14,6 +15,7 @@ const networkConfig = {
     jobId: "29fa9aa13bf1468788b7cc4a500a45b8",
     fundAmount: "1000000000000000000",
     keepersUpdateInterval: "30",
+    multiplierEnabled: "true",
     ethUsdPriceFeed: "0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419",
   },
   42: {
@@ -25,6 +27,7 @@ const networkConfig = {
     fee: "100000000000000000",
     fundAmount: "100000000000000000", // 0.1
     keepersUpdateInterval: "30",
+    multiplierEnabled: "true",
   },
   4: {
     name: "rinkeby",
@@ -37,17 +40,21 @@ const networkConfig = {
     fee: "100000000000000000",
     fundAmount: "100000000000000000", // 0.1
     keepersUpdateInterval: "30",
+    multiplierEnabled: "true",
   },
   1: {
     name: "mainnet",
     linkToken: "0x514910771af9ca656af840dff83e8264ecf986ca",
     fundAmount: "0",
     keepersUpdateInterval: "30",
+    multiplierEnabled: "true",
   },
   5: {
     name: "goerli",
     linkToken: "0x326c977e6efc84e512bb9c30f76e30c160ed06fb",
     fundAmount: "0",
+    keepersUpdateInterval: "30",
+    multiplierEnabled: "true",
   },
   137: {
     name: "polygon",
@@ -57,6 +64,8 @@ const networkConfig = {
     jobId: "12b86114fa9e46bab3ca436f88e1a912",
     fee: "100000000000000",
     fundAmount: "100000000000000",
+    keepersUpdateInterval: "30",
+    multiplierEnabled: "true",
   },
 }
 
diff --git a/package.json b/package.json
index eedd188a5..975710b57 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,8 @@
     "@nomiclabs/hardhat-ethers": "npm:hardhat-deploy-ethers@^0.3.0-beta.13",
     "@nomiclabs/hardhat-etherscan": "^3.0.0",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
+    "@nomiclabs/hardhat-web3": "^2.0.0",
+    "@openzeppelin/test-helpers": "^0.5.15",
     "chai": "^4.3.4",
     "ethereum-waffle": "^3.4.0",
     "ethers": "^5.5.1",
diff --git a/test/unit/KeepersCounter_unit_test.js b/test/unit/KeepersCounter_unit_test.js
index 66da591e7..ce8cb368b 100644
--- a/test/unit/KeepersCounter_unit_test.js
+++ b/test/unit/KeepersCounter_unit_test.js
@@ -1,32 +1,126 @@
 const { assert, expect } = require("chai")
 const { network, deployments, ethers } = require("hardhat")
-const { developmentChains } = require("../../helper-hardhat-config")
+const { developmentChains, networkConfig } = require("../../helper-hardhat-config")
+const { expectRevert } = require('@openzeppelin/test-helpers')
 
 !developmentChains.includes(network.name)
   ? describe.skip
   : describe("Keepers Counter Unit Tests", async function () {
+    beforeEach(async () => {
+      await deployments.fixture(["mocks", "keepers"])
+      counter = await ethers.getContract("KeepersCounter")
+      chainId = await getChainId()
+    })
+
+    context("Basic upkeep", async () => {
+      it('should be able to call checkUpkeep', async () => {
+        const checkData = ethers.utils.hexlify("0x");
+        const { upkeepNeeded, performData } = await counter.checkUpkeep(checkData);
+      })
+
+      it('should be able to call performUpkeep', async () => {
+        const checkData = ethers.utils.hexlify("0x");
+        await counter.performUpkeep(checkData);
+        //now get the new counter value
+        const result = await counter.counter()
+        console.log("Keepers Counter value: ", new ethers.BigNumber.from(result._hex).toString())
+        expect(new ethers.BigNumber.from(result).toString()).to.be.a.bignumber.that.is.greaterThan(new ethers.BigNumber.from(0).toString())
+      })
+    })
+
+    context("Upkeep with checkData - unhappy paths", async () => {
+      before(function() {
+        if(networkConfig[chainId].multiplierEnabled == "false") this.skip();
+      });
+      it("Should not require upkeep from checkMultiplier if not enabled", async () => {
+        await counter.setMultiplierEnabled(false);
+        const returnData = await counter.checkMultiplier()
+        expect(returnData[0]).to.be.equal(false)
+      })
+
+      it("Should not multiply counter if not enabled", async () => {
+        await expectRevert(counter.multiplyCounter(3), "Upkeep not satisfied")
+      })
+
+      it("Should not require upkeep from checkMultiplier if not valid value", async () => {
+        await counter.setMultiplierEnabled(true);
+        const returnData = await counter.checkMultiplier()
+        expect(returnData[0]).to.be.equal(false)
+      })
+
+      it("Should not multiply counter if not valid value", async () => {
+        for(let i=0; i<3; i++) {
+          await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        }
+        await expectRevert(counter.multiplyCounter(2), "Only valid multiplier")
+      })
+
+      it("Should not require upkeep from checkReset if too early", async () => {
+        const returnData = await counter.checkReset()
+        expect(returnData[0]).to.be.equal(false)
+      })
+
+      it("Should not reset counter if too early", async () => {
+        await expectRevert(counter.resetCounter(), "Too early")
+      })
+    })
+
+    context("Upkeep with checkData - happy paths", async () => {
+      before(function() {
+        if(networkConfig[chainId].multiplierEnabled == "false") this.skip();
+      });
       beforeEach(async () => {
-        await deployments.fixture(["mocks", "keepers"])
-        counter = await ethers.getContract("KeepersCounter")
+        for(let i=0; i<3; i++) {
+          await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        }
       })
 
-      it("should be able to call checkUpkeep", async () => {
-        const checkData = ethers.utils.keccak256(ethers.utils.toUtf8Bytes(""))
-        const { upkeepNeeded } = await counter.callStatic.checkUpkeep(checkData)
-        assert.equal(upkeepNeeded, false)
+      it("Should be able to call checkUpkeep for checkMultiplier", async () => {
+        const abi = ["function checkMultiplier()", "function multiplyCounter(uint)"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("checkMultiplier", [])
+        console.log(`checkMultiplier checkData: ${checkData}`)
+        const { upkeepNeeded, performData } = await counter.checkUpkeep(checkData)
+        const calldata = iface.encodeFunctionData("multiplyCounter", ["3"])
+        expect(upkeepNeeded).to.be.equal(true)
+        expect(performData).to.be.equal(calldata)
+      })
+
+      it("Should call performUpkeep for multiplyCounter", async () => {
+        const abi = ["function multiplyCounter(uint)"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("multiplyCounter", ["3"])
+        await counter.performUpkeep(checkData)
+        const result = await counter.counter()
+        expect(result).to.be.equal(new ethers.BigNumber.from("9"))
       })
 
-      it("should not be able to call perform upkeep without the time passed interval", async () => {
-        const checkData = ethers.utils.keccak256(ethers.utils.toUtf8Bytes(""))
-        await expect(counter.performUpkeep(checkData)).to.be.revertedWith("Time interval not met")
+      it("Should be able to call checkUpkeep for checkReset", async () => {
+        await counter.multiplyCounter(3);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        await counter.multiplyCounter(10);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        const abi = ["function checkReset()", "function resetCounter()"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("checkReset", [])
+        console.log(`checkReset checkData: ${checkData}`)
+        const { upkeepNeeded, performData } = await counter.checkUpkeep(checkData)
+        const calldata = iface.encodeFunctionData("resetCounter", [])
+        expect(upkeepNeeded).to.be.equal(true)
+        expect(performData).to.be.equal(calldata)
       })
 
-      it("should be able to call performUpkeep after time passes", async () => {
-        const startingCount = await counter.counter()
-        const checkData = ethers.utils.keccak256(ethers.utils.toUtf8Bytes(""))
-        const interval = await counter.interval()
-        await network.provider.send("evm_increaseTime", [interval.toNumber() + 1])
+      it("Should call performUpkeep for resetCounter", async () => {
+        await counter.multiplyCounter(3);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        await counter.multiplyCounter(10);
+        await counter.performUpkeep(ethers.utils.hexlify("0x"));
+        const abi = ["function resetCounter()"]
+        const iface = new ethers.utils.Interface(abi)
+        const checkData = iface.encodeFunctionData("resetCounter", [])
         await counter.performUpkeep(checkData)
-        assert.equal(startingCount + 1, (await counter.counter()).toNumber())
+        const result = await counter.counter()
+        expect(result).to.be.equal(new ethers.BigNumber.from("0"))
       })
     })
+  })
diff --git a/yarn.lock b/yarn.lock
index d7994f96d..ac2ae6ddc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -700,6 +700,21 @@
     "@ethersproject/properties" "^5.5.0"
     "@ethersproject/strings" "^5.5.0"
 
+"@ethersproject/abi@^5.6.3":
+  version "5.6.4"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.6.4.tgz#f6e01b6ed391a505932698ecc0d9e7a99ee60362"
+  integrity sha512-TTeZUlCeIHG6527/2goZA6gW5F8Emoc7MrZDC7hhP84aRGvW3TEdTnZR08Ls88YXM1m2SuK42Osw/jSi3uO8gg==
+  dependencies:
+    "@ethersproject/address" "^5.6.1"
+    "@ethersproject/bignumber" "^5.6.2"
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/constants" "^5.6.1"
+    "@ethersproject/hash" "^5.6.1"
+    "@ethersproject/keccak256" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/properties" "^5.6.0"
+    "@ethersproject/strings" "^5.6.1"
+
 "@ethersproject/abstract-provider@5.5.1", "@ethersproject/abstract-provider@^5.0.0", "@ethersproject/abstract-provider@^5.5.0":
   version "5.5.1"
   resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.5.1.tgz#2f1f6e8a3ab7d378d8ad0b5718460f85649710c5"
@@ -713,6 +728,19 @@
     "@ethersproject/transactions" "^5.5.0"
     "@ethersproject/web" "^5.5.0"
 
+"@ethersproject/abstract-provider@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.6.1.tgz#02ddce150785caf0c77fe036a0ebfcee61878c59"
+  integrity sha512-BxlIgogYJtp1FS8Muvj8YfdClk3unZH0vRMVX791Z9INBNT/kuACZ9GzaY1Y4yFq+YSy6/w4gzj3HCRKrK9hsQ==
+  dependencies:
+    "@ethersproject/bignumber" "^5.6.2"
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/networks" "^5.6.3"
+    "@ethersproject/properties" "^5.6.0"
+    "@ethersproject/transactions" "^5.6.2"
+    "@ethersproject/web" "^5.6.1"
+
 "@ethersproject/abstract-signer@5.5.0", "@ethersproject/abstract-signer@^5.0.0", "@ethersproject/abstract-signer@^5.4.1", "@ethersproject/abstract-signer@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.5.0.tgz#590ff6693370c60ae376bf1c7ada59eb2a8dd08d"
@@ -724,6 +752,17 @@
     "@ethersproject/logger" "^5.5.0"
     "@ethersproject/properties" "^5.5.0"
 
+"@ethersproject/abstract-signer@^5.6.2":
+  version "5.6.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.6.2.tgz#491f07fc2cbd5da258f46ec539664713950b0b33"
+  integrity sha512-n1r6lttFBG0t2vNiI3HoWaS/KdOt8xyDjzlP2cuevlWLG6EX0OwcKLyG/Kp/cuwNxdy/ous+R/DEMdTUwWQIjQ==
+  dependencies:
+    "@ethersproject/abstract-provider" "^5.6.1"
+    "@ethersproject/bignumber" "^5.6.2"
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/properties" "^5.6.0"
+
 "@ethersproject/address@5.5.0", "@ethersproject/address@>=5.0.0-beta.128", "@ethersproject/address@^5.0.0", "@ethersproject/address@^5.0.2", "@ethersproject/address@^5.0.4", "@ethersproject/address@^5.4.0", "@ethersproject/address@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.5.0.tgz#bcc6f576a553f21f3dd7ba17248f81b473c9c78f"
@@ -735,6 +774,17 @@
     "@ethersproject/logger" "^5.5.0"
     "@ethersproject/rlp" "^5.5.0"
 
+"@ethersproject/address@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.6.1.tgz#ab57818d9aefee919c5721d28cd31fd95eff413d"
+  integrity sha512-uOgF0kS5MJv9ZvCz7x6T2EXJSzotiybApn4XlOgoTX0xdtyVIJ7pF+6cGPxiEq/dpBiTfMiw7Yc81JcwhSYA0Q==
+  dependencies:
+    "@ethersproject/bignumber" "^5.6.2"
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/keccak256" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/rlp" "^5.6.1"
+
 "@ethersproject/base64@5.5.0", "@ethersproject/base64@^5.0.0", "@ethersproject/base64@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.5.0.tgz#881e8544e47ed976930836986e5eb8fab259c090"
@@ -742,6 +792,13 @@
   dependencies:
     "@ethersproject/bytes" "^5.5.0"
 
+"@ethersproject/base64@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.6.1.tgz#2c40d8a0310c9d1606c2c37ae3092634b41d87cb"
+  integrity sha512-qB76rjop6a0RIYYMiB4Eh/8n+Hxu2NIZm8S/Q7kNo5pmZfXhHGHmS4MinUainiBC54SCyRnwzL+KZjj8zbsSsw==
+  dependencies:
+    "@ethersproject/bytes" "^5.6.1"
+
 "@ethersproject/basex@5.5.0", "@ethersproject/basex@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/basex/-/basex-5.5.0.tgz#e40a53ae6d6b09ab4d977bd037010d4bed21b4d3"
@@ -759,6 +816,15 @@
     "@ethersproject/logger" "^5.5.0"
     bn.js "^4.11.9"
 
+"@ethersproject/bignumber@^5.6.2":
+  version "5.6.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.6.2.tgz#72a0717d6163fab44c47bcc82e0c550ac0315d66"
+  integrity sha512-v7+EEUbhGqT3XJ9LMPsKvXYHFc8eHxTowFCG/HgJErmq4XHJ2WR7aeyICg3uTOAQ7Icn0GFHAohXEhxQHq4Ubw==
+  dependencies:
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    bn.js "^5.2.1"
+
 "@ethersproject/bytes@5.5.0", "@ethersproject/bytes@>=5.0.0-beta.129", "@ethersproject/bytes@^5.0.0", "@ethersproject/bytes@^5.0.4", "@ethersproject/bytes@^5.4.0", "@ethersproject/bytes@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.5.0.tgz#cb11c526de657e7b45d2e0f0246fb3b9d29a601c"
@@ -766,6 +832,13 @@
   dependencies:
     "@ethersproject/logger" "^5.5.0"
 
+"@ethersproject/bytes@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.6.1.tgz#24f916e411f82a8a60412344bf4a813b917eefe7"
+  integrity sha512-NwQt7cKn5+ZE4uDn+X5RAXLp46E1chXoaMmrxAyA0rblpxz8t58lVkrHXoRIn0lz1joQElQ8410GqhTqMOwc6g==
+  dependencies:
+    "@ethersproject/logger" "^5.6.0"
+
 "@ethersproject/constants@5.5.0", "@ethersproject/constants@>=5.0.0-beta.128", "@ethersproject/constants@^5.0.0", "@ethersproject/constants@^5.0.4", "@ethersproject/constants@^5.4.0", "@ethersproject/constants@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.5.0.tgz#d2a2cd7d94bd1d58377d1d66c4f53c9be4d0a45e"
@@ -773,6 +846,13 @@
   dependencies:
     "@ethersproject/bignumber" "^5.5.0"
 
+"@ethersproject/constants@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.6.1.tgz#e2e974cac160dd101cf79fdf879d7d18e8cb1370"
+  integrity sha512-QSq9WVnZbxXYFftrjSjZDUshp6/eKp6qrtdBtUCm0QxCV5z1fG/w3kdlcsjMCQuQHUnAclKoK7XpXMezhRDOLg==
+  dependencies:
+    "@ethersproject/bignumber" "^5.6.2"
+
 "@ethersproject/contracts@5.5.0", "@ethersproject/contracts@^5.0.0", "@ethersproject/contracts@^5.0.5", "@ethersproject/contracts@^5.4.1":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/contracts/-/contracts-5.5.0.tgz#b735260d4bd61283a670a82d5275e2a38892c197"
@@ -815,6 +895,20 @@
     "@ethersproject/properties" "^5.5.0"
     "@ethersproject/strings" "^5.5.0"
 
+"@ethersproject/hash@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.6.1.tgz#224572ea4de257f05b4abf8ae58b03a67e99b0f4"
+  integrity sha512-L1xAHurbaxG8VVul4ankNX5HgQ8PNCTrnVXEiFnE9xoRnaUcgfD12tZINtDinSllxPLCtGwguQxJ5E6keE84pA==
+  dependencies:
+    "@ethersproject/abstract-signer" "^5.6.2"
+    "@ethersproject/address" "^5.6.1"
+    "@ethersproject/bignumber" "^5.6.2"
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/keccak256" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/properties" "^5.6.0"
+    "@ethersproject/strings" "^5.6.1"
+
 "@ethersproject/hdnode@5.5.0", "@ethersproject/hdnode@^5.0.0", "@ethersproject/hdnode@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/hdnode/-/hdnode-5.5.0.tgz#4a04e28f41c546f7c978528ea1575206a200ddf6"
@@ -860,11 +954,24 @@
     "@ethersproject/bytes" "^5.5.0"
     js-sha3 "0.8.0"
 
+"@ethersproject/keccak256@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.6.1.tgz#b867167c9b50ba1b1a92bccdd4f2d6bd168a91cc"
+  integrity sha512-bB7DQHCTRDooZZdL3lk9wpL0+XuG3XLGHLh3cePnybsO3V0rdCAOQGpn/0R3aODmnTOOkCATJiD2hnL+5bwthA==
+  dependencies:
+    "@ethersproject/bytes" "^5.6.1"
+    js-sha3 "0.8.0"
+
 "@ethersproject/logger@5.5.0", "@ethersproject/logger@>=5.0.0-beta.129", "@ethersproject/logger@^5.0.0", "@ethersproject/logger@^5.0.5", "@ethersproject/logger@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.5.0.tgz#0c2caebeff98e10aefa5aef27d7441c7fd18cf5d"
   integrity sha512-rIY/6WPm7T8n3qS2vuHTUBPdXHl+rGxWxW5okDfo9J4Z0+gRRZT0msvUdIJkE4/HS29GUMziwGaaKO2bWONBrg==
 
+"@ethersproject/logger@^5.6.0":
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.6.0.tgz#d7db1bfcc22fd2e4ab574cba0bb6ad779a9a3e7a"
+  integrity sha512-BiBWllUROH9w+P21RzoxJKzqoqpkyM1pRnEKG69bulE9TSQD8SAIvTQqIMZmmCO8pUNkgLP1wndX1gKghSpBmg==
+
 "@ethersproject/networks@5.5.2", "@ethersproject/networks@^5.0.0", "@ethersproject/networks@^5.5.0":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.5.2.tgz#784c8b1283cd2a931114ab428dae1bd00c07630b"
@@ -872,6 +979,13 @@
   dependencies:
     "@ethersproject/logger" "^5.5.0"
 
+"@ethersproject/networks@^5.6.3":
+  version "5.6.4"
+  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.6.4.tgz#51296d8fec59e9627554f5a8a9c7791248c8dc07"
+  integrity sha512-KShHeHPahHI2UlWdtDMn2lJETcbtaJge4k7XSjDR9h79QTd6yQJmv6Cp2ZA4JdqWnhszAOLSuJEd9C0PRw7hSQ==
+  dependencies:
+    "@ethersproject/logger" "^5.6.0"
+
 "@ethersproject/pbkdf2@5.5.0", "@ethersproject/pbkdf2@^5.0.0", "@ethersproject/pbkdf2@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/pbkdf2/-/pbkdf2-5.5.0.tgz#e25032cdf02f31505d47afbf9c3e000d95c4a050"
@@ -887,6 +1001,13 @@
   dependencies:
     "@ethersproject/logger" "^5.5.0"
 
+"@ethersproject/properties@^5.6.0":
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.6.0.tgz#38904651713bc6bdd5bdd1b0a4287ecda920fa04"
+  integrity sha512-szoOkHskajKePTJSZ46uHUWWkbv7TzP2ypdEK6jGMqJaEt2sb0jCgfBo0gH0m2HBpRixMuJ6TBRaQCF7a9DoCg==
+  dependencies:
+    "@ethersproject/logger" "^5.6.0"
+
 "@ethersproject/providers@5.5.3", "@ethersproject/providers@^5.0.0", "@ethersproject/providers@^5.4.4":
   version "5.5.3"
   resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.5.3.tgz#56c2b070542ac44eb5de2ed3cf6784acd60a3130"
@@ -928,6 +1049,14 @@
     "@ethersproject/bytes" "^5.5.0"
     "@ethersproject/logger" "^5.5.0"
 
+"@ethersproject/rlp@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.6.1.tgz#df8311e6f9f24dcb03d59a2bac457a28a4fe2bd8"
+  integrity sha512-uYjmcZx+DKlFUk7a5/W9aQVaoEC7+1MOBgNtvNg13+RnuUwT4F0zTovC0tmay5SmRslb29V1B7Y5KCri46WhuQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+
 "@ethersproject/sha2@5.5.0", "@ethersproject/sha2@^5.0.0", "@ethersproject/sha2@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/sha2/-/sha2-5.5.0.tgz#a40a054c61f98fd9eee99af2c3cc6ff57ec24db7"
@@ -949,6 +1078,18 @@
     elliptic "6.5.4"
     hash.js "1.1.7"
 
+"@ethersproject/signing-key@^5.6.2":
+  version "5.6.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.6.2.tgz#8a51b111e4d62e5a62aee1da1e088d12de0614a3"
+  integrity sha512-jVbu0RuP7EFpw82vHcL+GP35+KaNruVAZM90GxgQnGqB6crhBqW/ozBfFvdeImtmb4qPko0uxXjn8l9jpn0cwQ==
+  dependencies:
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/properties" "^5.6.0"
+    bn.js "^5.2.1"
+    elliptic "6.5.4"
+    hash.js "1.1.7"
+
 "@ethersproject/solidity@5.5.0", "@ethersproject/solidity@^5.0.0", "@ethersproject/solidity@^5.4.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/solidity/-/solidity-5.5.0.tgz#2662eb3e5da471b85a20531e420054278362f93f"
@@ -970,6 +1111,15 @@
     "@ethersproject/constants" "^5.5.0"
     "@ethersproject/logger" "^5.5.0"
 
+"@ethersproject/strings@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.6.1.tgz#dbc1b7f901db822b5cafd4ebf01ca93c373f8952"
+  integrity sha512-2X1Lgk6Jyfg26MUnsHiT456U9ijxKUybz8IM1Vih+NJxYtXhmvKBcHOmvGqpFSVJ0nQ4ZCoIViR8XlRw1v/+Cw==
+  dependencies:
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/constants" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+
 "@ethersproject/transactions@5.5.0", "@ethersproject/transactions@^5.0.0", "@ethersproject/transactions@^5.0.0-beta.135", "@ethersproject/transactions@^5.4.0", "@ethersproject/transactions@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.5.0.tgz#7e9bf72e97bcdf69db34fe0d59e2f4203c7a2908"
@@ -985,6 +1135,21 @@
     "@ethersproject/rlp" "^5.5.0"
     "@ethersproject/signing-key" "^5.5.0"
 
+"@ethersproject/transactions@^5.6.2":
+  version "5.6.2"
+  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.6.2.tgz#793a774c01ced9fe7073985bb95a4b4e57a6370b"
+  integrity sha512-BuV63IRPHmJvthNkkt9G70Ullx6AcM+SDc+a8Aw/8Yew6YwT51TcBKEp1P4oOQ/bP25I18JJr7rcFRgFtU9B2Q==
+  dependencies:
+    "@ethersproject/address" "^5.6.1"
+    "@ethersproject/bignumber" "^5.6.2"
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/constants" "^5.6.1"
+    "@ethersproject/keccak256" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/properties" "^5.6.0"
+    "@ethersproject/rlp" "^5.6.1"
+    "@ethersproject/signing-key" "^5.6.2"
+
 "@ethersproject/units@5.5.0", "@ethersproject/units@^5.0.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/units/-/units-5.5.0.tgz#104d02db5b5dc42cc672cc4587bafb87a95ee45e"
@@ -1026,6 +1191,17 @@
     "@ethersproject/properties" "^5.5.0"
     "@ethersproject/strings" "^5.5.0"
 
+"@ethersproject/web@^5.6.1":
+  version "5.6.1"
+  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.6.1.tgz#6e2bd3ebadd033e6fe57d072db2b69ad2c9bdf5d"
+  integrity sha512-/vSyzaQlNXkO1WV+RneYKqCJwualcUdx/Z3gseVovZP0wIlOFcCE1hkRhKBH8ImKbGQbMl9EAAyJFrJu7V0aqA==
+  dependencies:
+    "@ethersproject/base64" "^5.6.1"
+    "@ethersproject/bytes" "^5.6.1"
+    "@ethersproject/logger" "^5.6.0"
+    "@ethersproject/properties" "^5.6.0"
+    "@ethersproject/strings" "^5.6.1"
+
 "@ethersproject/wordlists@5.5.0", "@ethersproject/wordlists@^5.0.0", "@ethersproject/wordlists@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/wordlists/-/wordlists-5.5.0.tgz#aac74963aa43e643638e5172353d931b347d584f"
@@ -1283,6 +1459,13 @@
     "@types/sinon-chai" "^3.2.3"
     "@types/web3" "1.0.19"
 
+"@nomiclabs/hardhat-web3@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-web3/-/hardhat-web3-2.0.0.tgz#2d9850cb285a2cebe1bd718ef26a9523542e52a9"
+  integrity sha512-zt4xN+D+fKl3wW2YlTX3k9APR3XZgPkxJYf36AcliJn3oujnKEVRZaHu0PhgLjO+gR+F/kiYayo9fgd2L8970Q==
+  dependencies:
+    "@types/bignumber.js" "^5.0.0"
+
 "@nomiclabs/truffle-contract@^4.2.23":
   version "4.2.23"
   resolved "https://registry.yarnpkg.com/@nomiclabs/truffle-contract/-/truffle-contract-4.2.23.tgz#3431d09d2400413d3a14650494abc0a6233c16d4"
@@ -1298,11 +1481,35 @@
     ethers "^4.0.0-beta.1"
     source-map-support "^0.5.19"
 
+"@openzeppelin/contract-loader@^0.6.2":
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contract-loader/-/contract-loader-0.6.3.tgz#61a7b44de327e40b7d53f39e0fb59bbf847335c3"
+  integrity sha512-cOFIjBjwbGgZhDZsitNgJl0Ye1rd5yu/Yx5LMgeq3u0ZYzldm4uObzHDFq4gjDdoypvyORjjJa3BlFA7eAnVIg==
+  dependencies:
+    find-up "^4.1.0"
+    fs-extra "^8.1.0"
+
 "@openzeppelin/contracts@^3.3.0", "@openzeppelin/contracts@^3.4.0":
   version "3.4.2"
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.4.2.tgz#d81f786fda2871d1eb8a8c5a73e455753ba53527"
   integrity sha512-z0zMCjyhhp4y7XKAcDAi3Vgms4T2PstwBdahiO0+9NaGICQKjynK3wduSRplTgk4LXmoO1yfDGO5RbjKYxtuxA==
 
+"@openzeppelin/test-helpers@^0.5.15":
+  version "0.5.15"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/test-helpers/-/test-helpers-0.5.15.tgz#7727d4bb1535e1fa2372d65d1dcee335ce8d36af"
+  integrity sha512-10fS0kyOjc/UObo9iEWPNbC6MCeiQ7z97LDOJBj68g+AAs5pIGEI2h3V6G9TYTIq8VxOdwMQbfjKrx7Y3YZJtA==
+  dependencies:
+    "@openzeppelin/contract-loader" "^0.6.2"
+    "@truffle/contract" "^4.0.35"
+    ansi-colors "^3.2.3"
+    chai "^4.2.0"
+    chai-bn "^0.2.1"
+    ethjs-abi "^0.2.1"
+    lodash.flatten "^4.4.0"
+    semver "^5.6.0"
+    web3 "^1.2.5"
+    web3-utils "^1.2.5"
+
 "@resolver-engine/core@^0.3.3":
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/@resolver-engine/core/-/core-0.3.3.tgz#590f77d85d45bc7ecc4e06c654f41345db6ca967"
@@ -1455,6 +1662,15 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@truffle/abi-utils@^0.2.5":
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/@truffle/abi-utils/-/abi-utils-0.2.5.tgz#62d2876e11fee76479de2aac0a1872fb7035ba24"
+  integrity sha512-eKDIn9LqUFP8MnHVohe8ncuza4p9bszz1NtJWc+sr5zUogtmWnnf8Ajyj7JJpNKhLNDVZVbLowVEVxWzSSpMHw==
+  dependencies:
+    change-case "3.0.2"
+    faker "^5.3.1"
+    fast-check "^2.12.1"
+
 "@truffle/abi-utils@^0.2.8":
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/@truffle/abi-utils/-/abi-utils-0.2.8.tgz#d7210451dc612340bff0d260ed8499ddb099678f"
@@ -1471,11 +1687,35 @@
   dependencies:
     source-map-support "^0.5.19"
 
+"@truffle/blockchain-utils@^0.0.31":
+  version "0.0.31"
+  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.31.tgz#0503d9fb2ce3e05c167c27294927f2f88d70a24d"
+  integrity sha512-BFo/nyxwhoHqPrqBQA1EAmSxeNnspGLiOCMa9pAL7WYSjyNBlrHaqCMO/F2O87G+NUK/u06E70DiSP2BFP0ZZw==
+
 "@truffle/blockchain-utils@^0.1.0":
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.1.0.tgz#96742866e5d0274dd715402610162dbf51e31e6f"
   integrity sha512-9mzYXPQkjOc23rHQM1i630i3ackITWP1cxf3PvBObaAnGqwPCQuqtmZtNDPdvN+YpOLpBGpZIdYolI91xLdJNQ==
 
+"@truffle/codec@^0.11.21":
+  version "0.11.21"
+  resolved "https://registry.yarnpkg.com/@truffle/codec/-/codec-0.11.21.tgz#4c87def76104661fe7f428e10ff8f69e66c68422"
+  integrity sha512-ZDzaEPCUFWmQuFsXA3KzXmU4w4lpxSWZTGUcEDHxn6IqAmL7FY8mmdbR6LQ1wTRAa9oPf84PcehMpTNY47HVcg==
+  dependencies:
+    "@truffle/abi-utils" "^0.2.5"
+    "@truffle/compile-common" "^0.7.23"
+    big.js "^5.2.2"
+    bn.js "^5.1.3"
+    cbor "^5.1.0"
+    debug "^4.3.1"
+    lodash.clonedeep "^4.5.0"
+    lodash.escaperegexp "^4.1.2"
+    lodash.partition "^4.6.0"
+    lodash.sum "^4.0.2"
+    semver "^7.3.4"
+    utf8 "^3.0.0"
+    web3-utils "1.5.3"
+
 "@truffle/codec@^0.11.25":
   version "0.11.25"
   resolved "https://registry.yarnpkg.com/@truffle/codec/-/codec-0.11.25.tgz#d4324eb7b76dea715df25750a634d2d6dda57f10"
@@ -1513,6 +1753,14 @@
     utf8 "^3.0.0"
     web3-utils "1.2.9"
 
+"@truffle/compile-common@^0.7.23":
+  version "0.7.31"
+  resolved "https://registry.yarnpkg.com/@truffle/compile-common/-/compile-common-0.7.31.tgz#ab0b6219d5a02c4364b10ccd97615fc515402367"
+  integrity sha512-BGhWPd6NoI4VZfYBg+RgrCyLaxxq40vDOp6Ouofa1NQdN6LSPwlqWf0JWvPIKFNRp+TA9aWRHGmZntYyE94OZg==
+  dependencies:
+    "@truffle/error" "^0.1.0"
+    colors "1.4.0"
+
 "@truffle/compile-common@^0.7.26":
   version "0.7.26"
   resolved "https://registry.yarnpkg.com/@truffle/compile-common/-/compile-common-0.7.26.tgz#b903b4f6c275d33c741adcc11a2e9a3aae7f20a1"
@@ -1529,6 +1777,26 @@
     ajv "^6.10.0"
     debug "^4.3.1"
 
+"@truffle/contract@^4.0.35":
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.4.2.tgz#b96941435ae0321f6a61fd02fcc453b782ba2015"
+  integrity sha512-w/iyB5dZ3KnIuvX1dqD1Z1SWFahT9/nvA1VAsK+eIy+zvtI1phx365uV75LdIoyeBtR1GmbqAO4F7ZLSfjkP+w==
+  dependencies:
+    "@ensdomains/ensjs" "^2.0.1"
+    "@truffle/blockchain-utils" "^0.0.31"
+    "@truffle/contract-schema" "^3.4.4"
+    "@truffle/debug-utils" "^6.0.3"
+    "@truffle/error" "^0.0.14"
+    "@truffle/interface-adapter" "^0.5.8"
+    bignumber.js "^7.2.1"
+    debug "^4.3.1"
+    ethers "^4.0.32"
+    web3 "1.5.3"
+    web3-core-helpers "1.5.3"
+    web3-core-promievent "1.5.3"
+    web3-eth-abi "1.5.3"
+    web3-utils "1.5.3"
+
 "@truffle/contract@^4.1.8", "@truffle/contract@^4.3.8":
   version "4.4.7"
   resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.4.7.tgz#deea6d774a3aa08f7e14951774312cff15d81ca2"
@@ -1561,6 +1829,18 @@
     highlight.js "^9.15.8"
     highlightjs-solidity "^1.0.18"
 
+"@truffle/debug-utils@^6.0.3":
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/@truffle/debug-utils/-/debug-utils-6.0.3.tgz#9bd2f54640840f26219f7c1e77a9227d04dc091c"
+  integrity sha512-wxvZqvHIBw9wJHtSpUMJTku8sHpC0VbP0gLyV5+NVa/rn6CvVGtf0MyoDZGS4FDyhO1hui+bzzoQftoRy7jWyA==
+  dependencies:
+    "@truffle/codec" "^0.11.21"
+    "@trufflesuite/chromafi" "^2.2.2"
+    bn.js "^5.1.3"
+    chalk "^2.4.2"
+    debug "^4.3.1"
+    highlightjs-solidity "^2.0.3"
+
 "@truffle/debug-utils@^6.0.7":
   version "6.0.7"
   resolved "https://registry.yarnpkg.com/@truffle/debug-utils/-/debug-utils-6.0.7.tgz#0e516f4b0b095731f76071e245ecb46f9737e9ef"
@@ -1578,11 +1858,21 @@
   resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.11.tgz#2789c0042d7e796dcbb840c7a9b5d2bcd8e0e2d8"
   integrity sha512-ju6TucjlJkfYMmdraYY/IBJaFb+Sa+huhYtOoyOJ+G29KcgytUVnDzKGwC7Kgk6IsxQMm62Mc1E0GZzFbGGipw==
 
+"@truffle/error@^0.0.14":
+  version "0.0.14"
+  resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.14.tgz#59683b5407bede7bddf16d80dc5592f9c5e5fa05"
+  integrity sha512-utJx+SZYoMqk8wldQG4gCVKhV8GwMJbWY7sLXFT/D8wWZTnE2peX7URFJh/cxkjTRCO328z1s2qewkhyVsu2HA==
+
 "@truffle/error@^0.0.15":
   version "0.0.15"
   resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.15.tgz#fa24de95c7eb37dd8ee71161e1a876320ddb41e6"
   integrity sha512-keiYGlVAH7GLggqMpB+XorT7NkOlr3qeBc56thI2WP0eas3qstlyrc0WvckXJ2LXrOfcR2uH6f0Nk6FIxaKXSA==
 
+"@truffle/error@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.1.0.tgz#5e9fed79e6cda624c926d314b280a576f8b22a36"
+  integrity sha512-RbUfp5VreNhsa2Q4YbBjz18rOQI909pG32bghl1hulO7IpvcqTS+C3Ge5cNbiWQ1WGzy1wIeKLW0tmQtHFB7qg==
+
 "@truffle/interface-adapter@^0.4.16":
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.4.24.tgz#5d6d4f10c756e967f19ac2ad1620d11d25c034bb"
@@ -1601,6 +1891,15 @@
     ethers "^4.0.32"
     web3 "1.5.3"
 
+"@truffle/interface-adapter@^0.5.8":
+  version "0.5.17"
+  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.5.17.tgz#34e7e28930f6aa4c722f1b2ede127d379f891e70"
+  integrity sha512-2MJ+YLAL4y2QqlWc90NKizBLpavcETTzV8EpYkYJgAM326xKrAt+N3wx3f3tgRPSsbdtiEVKf1JRXHmDYQ+xIg==
+  dependencies:
+    bn.js "^5.1.3"
+    ethers "^4.0.32"
+    web3 "1.5.3"
+
 "@truffle/provider@^0.2.24":
   version "0.2.45"
   resolved "https://registry.yarnpkg.com/@truffle/provider/-/provider-0.2.45.tgz#d543530e3514c5381351c88357834cf157fef31d"
@@ -1647,6 +1946,13 @@
   resolved "https://registry.yarnpkg.com/@types/abstract-leveldown/-/abstract-leveldown-7.2.0.tgz#f055979a99f7654e84d6b8e6267419e9c4cfff87"
   integrity sha512-q5veSX6zjUy/DlDhR4Y4cU0k2Ar+DT2LUraP00T19WLmTO6Se1djepCCaqU6nQrwcJ5Hyo/CWqxTzrrFg8eqbQ==
 
+"@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"
+  integrity sha512-0DH7aPGCClywOFaxxjE6UwpN2kQYe9LwuDQMv+zYA97j5GkOMo8e66LYT+a8JYU7jfmUFRZLa9KycxHDsKXJCA==
+  dependencies:
+    bignumber.js "*"
+
 "@types/bn.js@*", "@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"
@@ -2057,6 +2363,11 @@ ansi-colors@4.1.1, 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-colors@^3.2.3:
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.4.tgz#e3a3da4bfbae6c86a9c285625de124a234026fbf"
+  integrity sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==
+
 ansi-escapes@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.2.0.tgz#8780b98ff9dbf5638152d1f1fe5c1d7b4442976b"
@@ -2932,16 +3243,16 @@ big.js@^5.2.2:
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
   integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
 
+bignumber.js@*, bignumber.js@^9.0.0, bignumber.js@^9.0.1, bignumber.js@~9.0.0:
+  version "9.0.2"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.2.tgz#71c6c6bed38de64e24a65ebe16cfcf23ae693673"
+  integrity sha512-GAcQvbpsM0pUb0zw1EI0KhQEZ+lRwR5fYaAp3vPOYuP7aDvGy6cVN6XHLauvF8SOga2y0dcLcjt3iQDTSEliyw==
+
 bignumber.js@7.2.1, bignumber.js@^7.2.1:
   version "7.2.1"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
   integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
 
-bignumber.js@^9.0.0, bignumber.js@^9.0.1, bignumber.js@~9.0.0:
-  version "9.0.2"
-  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.2.tgz#71c6c6bed38de64e24a65ebe16cfcf23ae693673"
-  integrity sha512-GAcQvbpsM0pUb0zw1EI0KhQEZ+lRwR5fYaAp3vPOYuP7aDvGy6cVN6XHLauvF8SOga2y0dcLcjt3iQDTSEliyw==
-
 binary-extensions@^1.0.0:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
@@ -3027,6 +3338,11 @@ bn.js@^5.0.0, bn.js@^5.1.1, bn.js@^5.1.2, bn.js@^5.1.3, bn.js@^5.2.0:
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.0.tgz#358860674396c6997771a9d051fcc1b57d4ae002"
   integrity sha512-D7iWRBvnZE8ecXiLj/9wbxH7Tk79fAh8IHaTNq1RWRixsS02W+5qS+iE9yq6RYl0asXx5tw0bLhmT5pIfbSquw==
 
+bn.js@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.2.1.tgz#0bc527a6a0d18d0aa8d5b0538ce4a77dccfa7b70"
+  integrity sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==
+
 body-parser@1.19.1, body-parser@^1.16.0:
   version "1.19.1"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.1.tgz#1499abbaa9274af3ecc9f6f10396c995943e31d4"
@@ -3410,6 +3726,11 @@ chai-bignumber@^3.0.0:
   resolved "https://registry.yarnpkg.com/chai-bignumber/-/chai-bignumber-3.0.0.tgz#e90cf1f468355bbb11a9acd051222586cd2648a9"
   integrity sha512-SubOtaSI2AILWTWe2j0c6i2yFT/f9J6UBjeVGDuwDiPLkF/U5+/eTWUE3sbCZ1KgcPF6UJsDVYbIxaYA097MQA==
 
+chai-bn@^0.2.1:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/chai-bn/-/chai-bn-0.2.2.tgz#4dcf30dbc79db2378a00781693bc749c972bf34f"
+  integrity sha512-MzjelH0p8vWn65QKmEq/DLBG1Hle4WeyqT79ANhXZhn/UxRWO0OogkAxi5oGGtfzwU9bZR8mvbvYdoqNVWQwFg==
+
 chai@^4.0.1, chai@^4.2.0, chai@^4.3.4:
   version "4.3.6"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.6.tgz#ffe4ba2d9fa9d6680cc0b370adae709ec9011e9c"
@@ -5321,6 +5642,15 @@ ethers@^5.0.1, ethers@^5.0.13, ethers@^5.0.14, ethers@^5.0.2, ethers@^5.4.7, eth
     "@ethersproject/web" "5.5.1"
     "@ethersproject/wordlists" "5.5.0"
 
+ethjs-abi@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/ethjs-abi/-/ethjs-abi-0.2.1.tgz#e0a7a93a7e81163a94477bad56ede524ab6de533"
+  integrity sha1-4KepOn6BFjqUR3utVu3lJKtt5TM=
+  dependencies:
+    bn.js "4.11.6"
+    js-sha3 "0.5.5"
+    number-to-bn "1.7.0"
+
 ethjs-unit@0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"
@@ -5664,6 +5994,14 @@ find-up@^2.0.0, find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
+find-up@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
+  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
+  dependencies:
+    locate-path "^5.0.0"
+    path-exists "^4.0.0"
+
 find-yarn-workspace-root@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/find-yarn-workspace-root/-/find-yarn-workspace-root-1.2.1.tgz#40eb8e6e7c2502ddfaa2577c176f221422f860db"
@@ -7177,6 +7515,11 @@ isurl@^1.0.0-alpha5:
     has-to-string-tag-x "^1.2.0"
     is-object "^1.0.1"
 
+js-sha3@0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.5.tgz#baf0c0e8c54ad5903447df96ade7a4a1bca79a4a"
+  integrity sha1-uvDA6MVK1ZA0R9+Wreekobynmko=
+
 js-sha3@0.5.7, js-sha3@^0.5.7:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
@@ -7720,6 +8063,13 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+locate-path@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
+  integrity sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
+  dependencies:
+    p-locate "^4.1.0"
+
 locate-path@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-6.0.0.tgz#55321eb309febbc59c4801d931a72452a681d286"
@@ -7742,6 +8092,11 @@ lodash.escaperegexp@^4.1.2:
   resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
   integrity sha1-ZHYsSGGAglGKw99Mz11YhtriA0c=
 
+lodash.flatten@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
+  integrity sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8=
+
 lodash.merge@^4.6.2:
   version "4.6.2"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
@@ -8844,7 +9199,7 @@ p-limit@^1.1.0:
   dependencies:
     p-try "^1.0.0"
 
-p-limit@^2.0.0:
+p-limit@^2.0.0, p-limit@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
   integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
@@ -8872,6 +9227,13 @@ p-locate@^3.0.0:
   dependencies:
     p-limit "^2.0.0"
 
+p-locate@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-4.1.0.tgz#a3428bb7088b3a60292f66919278b7c297ad4f07"
+  integrity sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
+  dependencies:
+    p-limit "^2.2.0"
+
 p-locate@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-5.0.0.tgz#83c8315c6785005e3bd021839411c9e110e6d834"
@@ -11563,6 +11925,15 @@ web3-bzz@1.7.0:
     got "9.6.0"
     swarm-js "^0.1.40"
 
+web3-bzz@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.7.4.tgz#9419e606e38a9777443d4ce40506ebd796e06075"
+  integrity sha512-w9zRhyEqTK/yi0LGRHjZMcPCfP24LBjYXI/9YxFw9VqsIZ9/G0CRCnUt12lUx0A56LRAMpF7iQ8eA73aBcO29Q==
+  dependencies:
+    "@types/node" "^12.12.6"
+    got "9.6.0"
+    swarm-js "^0.1.40"
+
 web3-core-helpers@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.2.11.tgz#84c681ed0b942c0203f3b324a245a127e8c67a99"
@@ -11597,6 +11968,14 @@ web3-core-helpers@1.7.0:
     web3-eth-iban "1.7.0"
     web3-utils "1.7.0"
 
+web3-core-helpers@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.7.4.tgz#f8f808928560d3e64e0c8d7bdd163aa4766bcf40"
+  integrity sha512-F8PH11qIkE/LpK4/h1fF/lGYgt4B6doeMi8rukeV/s4ivseZHHslv1L6aaijLX/g/j4PsFmR42byynBI/MIzFg==
+  dependencies:
+    web3-eth-iban "1.7.4"
+    web3-utils "1.7.4"
+
 web3-core-method@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.2.11.tgz#f880137d1507a0124912bf052534f168b8d8fbb6"
@@ -11644,6 +12023,17 @@ web3-core-method@1.7.0:
     web3-core-subscriptions "1.7.0"
     web3-utils "1.7.0"
 
+web3-core-method@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.7.4.tgz#3873c6405e1a0a8a1efc1d7b28de8b7550b00c15"
+  integrity sha512-56K7pq+8lZRkxJyzf5MHQPI9/VL3IJLoy4L/+q8HRdZJ3CkB1DkXYaXGU2PeylG1GosGiSzgIfu1ljqS7CP9xQ==
+  dependencies:
+    "@ethersproject/transactions" "^5.6.2"
+    web3-core-helpers "1.7.4"
+    web3-core-promievent "1.7.4"
+    web3-core-subscriptions "1.7.4"
+    web3-utils "1.7.4"
+
 web3-core-promievent@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.2.11.tgz#51fe97ca0ddec2f99bf8c3306a7a8e4b094ea3cf"
@@ -11672,6 +12062,13 @@ web3-core-promievent@1.7.0:
   dependencies:
     eventemitter3 "4.0.4"
 
+web3-core-promievent@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.7.4.tgz#80a75633fdfe21fbaae2f1e38950edb2f134868c"
+  integrity sha512-o4uxwXKDldN7ER7VUvDfWsqTx9nQSP1aDssi1XYXeYC2xJbVo0n+z6ryKtmcoWoRdRj7uSpVzal3nEmlr480mA==
+  dependencies:
+    eventemitter3 "4.0.4"
+
 web3-core-requestmanager@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.2.11.tgz#fe6eb603fbaee18530293a91f8cf26d8ae28c45a"
@@ -11717,6 +12114,17 @@ web3-core-requestmanager@1.7.0:
     web3-providers-ipc "1.7.0"
     web3-providers-ws "1.7.0"
 
+web3-core-requestmanager@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.7.4.tgz#2dc8a526dab8183dca3fef54658621801b1d0469"
+  integrity sha512-IuXdAm65BQtPL4aI6LZJJOrKAs0SM5IK2Cqo2/lMNvVMT9Kssq6qOk68Uf7EBDH0rPuINi+ReLP+uH+0g3AnPA==
+  dependencies:
+    util "^0.12.0"
+    web3-core-helpers "1.7.4"
+    web3-providers-http "1.7.4"
+    web3-providers-ipc "1.7.4"
+    web3-providers-ws "1.7.4"
+
 web3-core-subscriptions@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.2.11.tgz#beca908fbfcb050c16f45f3f0f4c205e8505accd"
@@ -11751,6 +12159,14 @@ web3-core-subscriptions@1.7.0:
     eventemitter3 "4.0.4"
     web3-core-helpers "1.7.0"
 
+web3-core-subscriptions@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.7.4.tgz#cfbd3fa71081a8c8c6f1a64577a1a80c5bd9826f"
+  integrity sha512-VJvKWaXRyxk2nFWumOR94ut9xvjzMrRtS38c4qj8WBIRSsugrZr5lqUwgndtj0qx4F+50JhnU++QEqUEAtKm3g==
+  dependencies:
+    eventemitter3 "4.0.4"
+    web3-core-helpers "1.7.4"
+
 web3-core@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.11.tgz#1043cacc1becb80638453cc5b2a14be9050288a7"
@@ -11803,6 +12219,19 @@ web3-core@1.7.0:
     web3-core-requestmanager "1.7.0"
     web3-utils "1.7.0"
 
+web3-core@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.7.4.tgz#943fff99134baedafa7c65b4a0bbd424748429ff"
+  integrity sha512-L0DCPlIh9bgIED37tYbe7bsWrddoXYc897ANGvTJ6MFkSNGiMwDkTLWSgYd9Mf8qu8b4iuPqXZHMwIo4atoh7Q==
+  dependencies:
+    "@types/bn.js" "^5.1.0"
+    "@types/node" "^12.12.6"
+    bignumber.js "^9.0.0"
+    web3-core-helpers "1.7.4"
+    web3-core-method "1.7.4"
+    web3-core-requestmanager "1.7.4"
+    web3-utils "1.7.4"
+
 web3-eth-abi@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.2.11.tgz#a887494e5d447c2926d557a3834edd66e17af9b0"
@@ -11837,6 +12266,14 @@ web3-eth-abi@1.7.0, web3-eth-abi@^1.0.0-beta.24:
     "@ethersproject/abi" "5.0.7"
     web3-utils "1.7.0"
 
+web3-eth-abi@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.7.4.tgz#3fee967bafd67f06b99ceaddc47ab0970f2a614a"
+  integrity sha512-eMZr8zgTbqyL9MCTCAvb67RbVyN5ZX7DvA0jbLOqRWCiw+KlJKTGnymKO6jPE8n5yjk4w01e165Qb11hTDwHgg==
+  dependencies:
+    "@ethersproject/abi" "^5.6.3"
+    web3-utils "1.7.4"
+
 web3-eth-accounts@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.2.11.tgz#a9e3044da442d31903a7ce035a86d8fa33f90520"
@@ -11905,6 +12342,23 @@ web3-eth-accounts@1.7.0:
     web3-core-method "1.7.0"
     web3-utils "1.7.0"
 
+web3-eth-accounts@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.7.4.tgz#7a24a4dfe947f7e9d1bae678529e591aa146167a"
+  integrity sha512-Y9vYLRKP7VU7Cgq6wG1jFaG2k3/eIuiTKAG8RAuQnb6Cd9k5BRqTm5uPIiSo0AP/u11jDomZ8j7+WEgkU9+Btw==
+  dependencies:
+    "@ethereumjs/common" "^2.5.0"
+    "@ethereumjs/tx" "^3.3.2"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.8"
+    ethereumjs-util "^7.0.10"
+    scrypt-js "^3.0.1"
+    uuid "3.3.2"
+    web3-core "1.7.4"
+    web3-core-helpers "1.7.4"
+    web3-core-method "1.7.4"
+    web3-utils "1.7.4"
+
 web3-eth-contract@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.2.11.tgz#917065902bc27ce89da9a1da26e62ef663663b90"
@@ -11963,6 +12417,20 @@ web3-eth-contract@1.7.0:
     web3-eth-abi "1.7.0"
     web3-utils "1.7.0"
 
+web3-eth-contract@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.7.4.tgz#e5761cfb43d453f57be4777b2e5e7e1082078ff7"
+  integrity sha512-ZgSZMDVI1pE9uMQpK0T0HDT2oewHcfTCv0osEqf5qyn5KrcQDg1GT96/+S0dfqZ4HKj4lzS5O0rFyQiLPQ8LzQ==
+  dependencies:
+    "@types/bn.js" "^5.1.0"
+    web3-core "1.7.4"
+    web3-core-helpers "1.7.4"
+    web3-core-method "1.7.4"
+    web3-core-promievent "1.7.4"
+    web3-core-subscriptions "1.7.4"
+    web3-eth-abi "1.7.4"
+    web3-utils "1.7.4"
+
 web3-eth-ens@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.2.11.tgz#26d4d7f16d6cbcfff918e39832b939edc3162532"
@@ -12021,6 +12489,20 @@ web3-eth-ens@1.7.0:
     web3-eth-contract "1.7.0"
     web3-utils "1.7.0"
 
+web3-eth-ens@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.7.4.tgz#346720305379c0a539e226141a9602f1da7bc0c8"
+  integrity sha512-Gw5CVU1+bFXP5RVXTCqJOmHn71X2ghNk9VcEH+9PchLr0PrKbHTA3hySpsPco1WJAyK4t8SNQVlNr3+bJ6/WZA==
+  dependencies:
+    content-hash "^2.5.2"
+    eth-ens-namehash "2.0.8"
+    web3-core "1.7.4"
+    web3-core-helpers "1.7.4"
+    web3-core-promievent "1.7.4"
+    web3-eth-abi "1.7.4"
+    web3-eth-contract "1.7.4"
+    web3-utils "1.7.4"
+
 web3-eth-iban@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.2.11.tgz#f5f73298305bc7392e2f188bf38a7362b42144ef"
@@ -12053,6 +12535,14 @@ web3-eth-iban@1.7.0:
     bn.js "^4.11.9"
     web3-utils "1.7.0"
 
+web3-eth-iban@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.7.4.tgz#711fb2547fdf0f988060027331b2b6c430505753"
+  integrity sha512-XyrsgWlZQMv5gRcjXMsNvAoCRvV5wN7YCfFV5+tHUCqN8g9T/o4XUS20vDWD0k4HNiAcWGFqT1nrls02MGZ08w==
+  dependencies:
+    bn.js "^5.2.1"
+    web3-utils "1.7.4"
+
 web3-eth-personal@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.2.11.tgz#a38b3942a1d87a62070ce0622a941553c3d5aa70"
@@ -12101,6 +12591,18 @@ web3-eth-personal@1.7.0:
     web3-net "1.7.0"
     web3-utils "1.7.0"
 
+web3-eth-personal@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.7.4.tgz#22c399794cb828a75703df8bb4b3c1331b471546"
+  integrity sha512-O10C1Hln5wvLQsDhlhmV58RhXo+GPZ5+W76frSsyIrkJWLtYQTCr5WxHtRC9sMD1idXLqODKKgI2DL+7xeZ0/g==
+  dependencies:
+    "@types/node" "^12.12.6"
+    web3-core "1.7.4"
+    web3-core-helpers "1.7.4"
+    web3-core-method "1.7.4"
+    web3-net "1.7.4"
+    web3-utils "1.7.4"
+
 web3-eth@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.11.tgz#4c81fcb6285b8caf544058fba3ae802968fdc793"
@@ -12175,6 +12677,24 @@ web3-eth@1.7.0:
     web3-net "1.7.0"
     web3-utils "1.7.0"
 
+web3-eth@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.7.4.tgz#a7c1d3ccdbba4de4a82df7e3c4db716e4a944bf2"
+  integrity sha512-JG0tTMv0Ijj039emXNHi07jLb0OiWSA9O24MRSk5vToTQyDNXihdF2oyq85LfHuF690lXZaAXrjhtLNlYqb7Ug==
+  dependencies:
+    web3-core "1.7.4"
+    web3-core-helpers "1.7.4"
+    web3-core-method "1.7.4"
+    web3-core-subscriptions "1.7.4"
+    web3-eth-abi "1.7.4"
+    web3-eth-accounts "1.7.4"
+    web3-eth-contract "1.7.4"
+    web3-eth-ens "1.7.4"
+    web3-eth-iban "1.7.4"
+    web3-eth-personal "1.7.4"
+    web3-net "1.7.4"
+    web3-utils "1.7.4"
+
 web3-net@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.11.tgz#eda68ef25e5cdb64c96c39085cdb74669aabbe1b"
@@ -12211,6 +12731,15 @@ web3-net@1.7.0:
     web3-core-method "1.7.0"
     web3-utils "1.7.0"
 
+web3-net@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.7.4.tgz#3153dfd3423262dd6fbec7aae5467202c4cad431"
+  integrity sha512-d2Gj+DIARHvwIdmxFQ4PwAAXZVxYCR2lET0cxz4KXbE5Og3DNjJi+MoPkX+WqoUXqimu/EOd4Cd+7gefqVAFDg==
+  dependencies:
+    web3-core "1.7.4"
+    web3-core-method "1.7.4"
+    web3-utils "1.7.4"
+
 web3-provider-engine@14.0.6:
   version "14.0.6"
   resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-14.0.6.tgz#cbdd66fe20c0136a3a495cbe40d18b6c4160d5f0"
@@ -12296,6 +12825,14 @@ web3-providers-http@1.7.0:
     web3-core-helpers "1.7.0"
     xhr2-cookies "1.1.0"
 
+web3-providers-http@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.7.4.tgz#8209cdcb115db5ccae1f550d1c4e3005e7538d02"
+  integrity sha512-AU+/S+49rcogUER99TlhW+UBMk0N2DxvN54CJ2pK7alc2TQ7+cprNPLHJu4KREe8ndV0fT6JtWUfOMyTvl+FRA==
+  dependencies:
+    web3-core-helpers "1.7.4"
+    xhr2-cookies "1.1.0"
+
 web3-providers-ipc@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.2.11.tgz#d16d6c9be1be6e0b4f4536c4acc16b0f4f27ef21"
@@ -12330,6 +12867,14 @@ web3-providers-ipc@1.7.0:
     oboe "2.1.5"
     web3-core-helpers "1.7.0"
 
+web3-providers-ipc@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.7.4.tgz#02e85e99e48f432c9d34cee7d786c3685ec9fcfa"
+  integrity sha512-jhArOZ235dZy8fS8090t60nTxbd1ap92ibQw5xIrAQ9m7LcZKNfmLAQUVsD+3dTFvadRMi6z1vCO7zRi84gWHw==
+  dependencies:
+    oboe "2.1.5"
+    web3-core-helpers "1.7.4"
+
 web3-providers-ws@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.2.11.tgz#a1dfd6d9778d840561d9ec13dd453046451a96bb"
@@ -12368,6 +12913,15 @@ web3-providers-ws@1.7.0:
     web3-core-helpers "1.7.0"
     websocket "^1.0.32"
 
+web3-providers-ws@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.7.4.tgz#6e60bcefb456f569a3e766e386d7807a96f90595"
+  integrity sha512-g72X77nrcHMFU8hRzQJzfgi/072n8dHwRCoTw+WQrGp+XCQ71fsk2qIu3Tp+nlp5BPn8bRudQbPblVm2uT4myQ==
+  dependencies:
+    eventemitter3 "4.0.4"
+    web3-core-helpers "1.7.4"
+    websocket "^1.0.32"
+
 web3-shh@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.11.tgz#f5d086f9621c9a47e98d438010385b5f059fd88f"
@@ -12408,6 +12962,16 @@ web3-shh@1.7.0:
     web3-core-subscriptions "1.7.0"
     web3-net "1.7.0"
 
+web3-shh@1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.7.4.tgz#bee91cce2737c529fd347274010b548b6ea060f1"
+  integrity sha512-mlSZxSYcMkuMCxqhTYnZkUdahZ11h+bBv/8TlkXp/IHpEe4/Gg+KAbmfudakq3EzG/04z70XQmPgWcUPrsEJ+A==
+  dependencies:
+    web3-core "1.7.4"
+    web3-core-method "1.7.4"
+    web3-core-subscriptions "1.7.4"
+    web3-net "1.7.4"
+
 web3-utils@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.11.tgz#af1942aead3fb166ae851a985bed8ef2c2d95a82"
@@ -12476,6 +13040,19 @@ web3-utils@1.7.0, web3-utils@^1.0.0-beta.31, web3-utils@^1.3.0:
     randombytes "^2.1.0"
     utf8 "3.0.0"
 
+web3-utils@1.7.4, web3-utils@^1.2.5:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.7.4.tgz#eb6fa3706b058602747228234453811bbee017f5"
+  integrity sha512-acBdm6Evd0TEZRnChM/MCvGsMwYKmSh7OaUfNf5OKG0CIeGWD/6gqLOWIwmwSnre/2WrA1nKGId5uW2e5EfluA==
+  dependencies:
+    bn.js "^5.2.1"
+    ethereum-bloom-filters "^1.0.6"
+    ethereumjs-util "^7.1.0"
+    ethjs-unit "0.1.6"
+    number-to-bn "1.7.0"
+    randombytes "^2.1.0"
+    utf8 "3.0.0"
+
 web3@1.2.11:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.2.11.tgz#50f458b2e8b11aa37302071c170ed61cff332975"
@@ -12528,6 +13105,19 @@ web3@^1.0.0-beta.34:
     web3-shh "1.7.0"
     web3-utils "1.7.0"
 
+web3@^1.2.5:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.7.4.tgz#00c9aef8e13ade92fd773d845fff250535828e93"
+  integrity sha512-iFGK5jO32vnXM/ASaJBaI0+gVR6uHozvYdxkdhaeOCD6HIQ4iIXadbO2atVpE9oc/H8l2MovJ4LtPhG7lIBN8A==
+  dependencies:
+    web3-bzz "1.7.4"
+    web3-core "1.7.4"
+    web3-eth "1.7.4"
+    web3-eth-personal "1.7.4"
+    web3-net "1.7.4"
+    web3-shh "1.7.4"
+    web3-utils "1.7.4"
+
 webidl-conversions@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"