Tasks in erc20-watcher to deploy and transfer tokens. (#233)

Co-authored-by: nabarun <nabarun@deepstacksoft.com>

packages/erc20-watcher/.gitignore

@@ -3,4 +3,8 @@
 node_modules/
 build/
 tmp/
-temp/
+temp/
+
+#Hardhat files
+cache
+artifacts

packages/erc20-watcher/hardhat.config.ts

@@ -0,0 +1,27 @@
+//
+// Copyright 2021 Vulcanize, Inc.
+//
+
+import '@nomiclabs/hardhat-waffle';
+
+import './test/tasks/token-deploy';
+import './test/tasks/token-transfer';
+import './test/tasks/block-latest';
+
+// You need to export an object to set up your config
+// Go to https://hardhat.org/config/ to learn more
+
+/**
+ * @type import('hardhat/config').HardhatUserConfig
+ */
+export default {
+  solidity: '0.8.0',
+  networks: {
+    docker: {
+      url: 'http://dapptools:8545'
+    }
+  },
+  paths: {
+    sources: './test/contracts'
+  }
+};

packages/erc20-watcher/package.json

@@ -10,7 +10,13 @@
     "test": "mocha -r ts-node/register src/**/*.spec.ts",
     "lint": "eslint .",
     "build": "tsc",
-    "watch:contract": "ts-node src/cli/watch-contract.ts --configFile environments/local.toml"
+    "watch:contract": "ts-node src/cli/watch-contract.ts --configFile environments/local.toml",
+    "token:deploy": "hardhat --network localhost token-deploy",
+    "token:deploy:docker": "hardhat --network docker token-deploy",
+    "token:transfer": "hardhat --network localhost token-transfer",
+    "token:transfer:docker": "hardhat --network docker token-transfer",
+    "block:latest": "hardhat --network localhost block-latest",
+    "block:latest:docker": "hardhat --network docker block-latest"
   },
   "repository": {
     "type": "git",
@@ -50,6 +56,7 @@
   },
   "devDependencies": {
     "@ethersproject/abi": "^5.3.0",
+    "@openzeppelin/contracts": "^4.3.1",
     "@types/express": "^4.17.11",
     "@types/fs-extra": "^9.0.11",
     "@types/json-bigint": "^1.0.0",

packages/erc20-watcher/test/contracts/GLDToken.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: AGPL-3.0
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+contract GLDToken is ERC20 {
+    constructor(uint256 initialSupply) ERC20("Gold", "GLD") {
+        _mint(msg.sender, initialSupply);
+    }
+}

packages/erc20-watcher/test/tasks/block-latest.ts

@@ -0,0 +1,18 @@
+//
+// Copyright 2021 Vulcanize, Inc.
+//
+
+import { task } from 'hardhat/config';
+import '@nomiclabs/hardhat-ethers';
+
+task(
+  'block-latest',
+  'Prints the current block info',
+  async (_, { ethers }) => {
+    const blockNumber = await ethers.provider.getBlockNumber();
+    const block = await ethers.provider.getBlock(blockNumber);
+
+    console.log('Block Number:', blockNumber);
+    console.log('Block Hash:', block.hash);
+  }
+);

packages/erc20-watcher/test/tasks/token-deploy.ts

@@ -0,0 +1,19 @@
+//
+// Copyright 2021 Vulcanize, Inc.
+//
+
+import { task, types } from 'hardhat/config';
+import '@nomiclabs/hardhat-ethers';
+
+const DEFAULT_INITIAL_SUPPLY = '1000000000000000000000';
+
+task('token-deploy', 'Deploys GLD token')
+  .addOptionalParam('initialSupply', 'Set total supply', DEFAULT_INITIAL_SUPPLY, types.string)
+  .setAction(async (args, hre) => {
+    const { initialSupply } = args;
+    await hre.run('compile');
+    const Token = await hre.ethers.getContractFactory('GLDToken');
+    const token = await Token.deploy(hre.ethers.BigNumber.from(initialSupply));
+
+    console.log('GLD Token deployed to:', token.address);
+  });

packages/erc20-watcher/test/tasks/token-transfer.ts

@@ -0,0 +1,33 @@
+//
+// Copyright 2021 Vulcanize, Inc.
+//
+
+import { task, types } from 'hardhat/config';
+import '@nomiclabs/hardhat-ethers';
+import { ContractTransaction } from 'ethers';
+
+task('token-transfer', 'Move tokens to recipient')
+  .addParam('token', 'Token contract address', undefined, types.string)
+  .addParam('to', 'Transfer recipient address', undefined, types.string)
+  .addParam('amount', 'Token amount to transfer', undefined, types.int)
+  .setAction(async (args, hre) => {
+    const { token: tokenAddress, to, amount } = args;
+    await hre.run('compile');
+    const Token = await hre.ethers.getContractFactory('GLDToken');
+    const token = Token.attach(tokenAddress);
+
+    const transaction: ContractTransaction = await token.transfer(to, amount);
+
+    const receipt = await transaction.wait();
+
+    if (receipt.events) {
+      const TransferEvent = receipt.events.find(el => el.event === 'Transfer');
+
+      if (TransferEvent && TransferEvent.args) {
+        console.log('Transfer Event');
+        console.log('from:', TransferEvent.args.from.toString());
+        console.log('to:', TransferEvent.args.to.toString());
+        console.log('value:', TransferEvent.args.value.toString());
+      }
+    }
+  });

packages/erc20-watcher/tsconfig.json

@@ -73,5 +73,6 @@
     "resolveJsonModule": true                       /* Enabling the option allows importing JSON, and validating the types in that JSON file. */
   },
   "include": ["src"],
-  "exclude": ["dist"]
+  "exclude": ["dist"],
+  "files": ["./hardhat.config.ts"]
 }

yarn.lock

@@ -1895,6 +1895,11 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.4.1-solc-0.7-2.tgz#371c67ebffe50f551c3146a9eec5fe6ffe862e92"
   integrity sha512-tAG9LWg8+M2CMu7hIsqHPaTyG4uDzjr6mhvH96LvOpLZZj6tgzTluBt+LsCf1/QaYrlis6pITvpIaIhE+iZB+Q==
 
+"@openzeppelin/contracts@^4.3.1":
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.3.1.tgz#c01f791ce6c9d3989ac1a643267501dbe336b9e3"
+  integrity sha512-QjgbPPlmDK2clK1hzjw2ROfY8KA5q+PfhDUUxZFEBCZP9fi6d5FuNoh/Uq0oCTMEKPmue69vhX2jcl0N/tFKGw==
+
 "@protobufjs/aspromise@^1.1.1", "@protobufjs/aspromise@^1.1.2":
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@protobufjs/aspromise/-/aspromise-1.1.2.tgz#9b8b0cc663d669a7d8f6f5d0893a14d348f30fbf"