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✨initial commit - minimal setup
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‎contracts/Token.sol

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// SPDX-License-Identifier: -- 🔮 --
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pragma solidity ^0.8.0;
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contract Token {
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mapping (address => uint256) private _balances;
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mapping (address => mapping (address => uint256)) private _allowances;
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uint256 private _totalSupply;
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string private _name;
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string private _symbol;
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uint8 private _decimals;
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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constructor () {
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_name = "Token";
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_symbol = "TKN";
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_decimals = 18;
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_totalSupply = 1000000000000000000000000;
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_balances[msg.sender] = _totalSupply;
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}
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/**
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* @dev Returns the name of the token.
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*/
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function name() public view returns (string memory) {
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return _name;
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}
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/**
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* @dev Returns the symbol of the token, usually a shorter version of the
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* name.
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*/
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function symbol() public view returns (string memory) {
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return _symbol;
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}
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function decimals() public view returns (uint8) {
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return _decimals;
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}
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function totalSupply() public view returns (uint256) {
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return _totalSupply;
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}
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function balanceOf(address account) public view returns (uint256) {
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return _balances[account];
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}
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function transfer(
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address recipient,
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uint256 amount
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) public returns (bool) {
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_transfer(_msgSender(), recipient, amount);
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return true;
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}
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function allowance(
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address owner,
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address spender
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) public view returns (uint256) {
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return _allowances[owner][spender];
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}
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function approve(
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address spender,
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uint256 amount
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) public returns (bool) {
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_approve(_msgSender(), spender, amount);
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return true;
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}
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function transferFrom(
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address sender,
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address recipient,
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uint256 amount
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) public returns (bool) {
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_approve(
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sender,
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_msgSender(),
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_allowances[sender][_msgSender()] - amount
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);
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_transfer(sender, recipient, amount);
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return true;
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}
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function increaseAllowance(
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address spender,
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uint256 addedValue
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) public virtual returns (bool) {
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_approve(
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_msgSender(),
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spender,
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_allowances[_msgSender()][spender] + addedValue
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);
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return true;
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}
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function decreaseAllowance(
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address spender,
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uint256 subtractedValue
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) public virtual returns (bool) {
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_approve(
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_msgSender(), spender, _allowances[_msgSender()][spender] - subtractedValue
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);
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return true;
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}
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function _transfer(
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address sender,
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address recipient,
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uint256 amount
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)
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internal
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virtual
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{
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require(
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sender != address(0),
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"ERC20: transfer from the zero address"
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);
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require(
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recipient != address(0),
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"ERC20: transfer to the zero address"
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);
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_balances[sender] =
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_balances[sender] - amount;
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_balances[recipient] =
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_balances[recipient] + amount;
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emit Transfer(sender, recipient, amount);
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}
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function _approve(
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address owner,
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address spender,
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uint256 amount
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)
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internal
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virtual
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{
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require(
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owner != address(0x0),
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"ERC20: approve from the zero address"
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);
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require(
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spender != address(0x0),
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"ERC20: approve to the zero address"
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);
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_allowances[owner][spender] = amount;
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emit Approval(owner, spender, amount);
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}
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function _msgSender() internal view virtual returns (address payable) {
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return payable(msg.sender);
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}
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function _msgData() internal view virtual returns (bytes memory) {
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this;
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return msg.data;
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}
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}

‎deploy-factory.js

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const Web3 = require('web3');
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const web3 = new Web3('http://localhost:9545');
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const UniswapV2FactoryBytecode = require('@uniswap/v2-core/build/UniswapV2Factory.json').bytecode
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const UniswapV2FactoryAbi = require('@uniswap/v2-core/build/UniswapV2Factory.json').abi
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const Z = "0x0000000000000000000000000000000000000000";
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async function a() {
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const ganacheAccounts = await web3.eth.getAccounts();
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const contract = new web3.eth.Contract(UniswapV2FactoryAbi);
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contract.deploy({
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arguments: [Z],
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data: UniswapV2FactoryBytecode
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}).send({
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from: ganacheAccounts[0],
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gas: 4712388,
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gasPrice: 100000000000
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}).then((deployment) => {
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console.log('Uniswap Factory was deployed at the following address:');
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console.log(deployment.options.address);
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}).catch((err) => {
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console.error(err);
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});
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}
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a();

‎package.json

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{
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"name": "bitcoin-solidity-swap",
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"version": "1.0.0",
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"license": "MIT",
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"repository": "https://github.com/bitcoin-portal/bitcoincom-solidity-swap",
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"description": "Bitcoin Swap",
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"scripts": {
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"chain": "ganache-cli --defaultBalanceEther 10000000 -i 5777 -p 9545 -l 12500000 -m \"urban prevent meadow draft involve security curtain robot brick question try scatter\"",
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"test-token": "npx truffle test test/token.test.js",
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"test-coverage": "npx truffle run coverage",
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"flat-file": "cd contracts && truffle-flattener fileName.sol > ../flats/fileName.sol",
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"compile": "npx truffle compile",
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"migrate": "npx truffle migrate --reset",
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"migrate-weth": "cd weth && truffle migrate",
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"migrate-uniswap-factory": "node deploy-factory.js",
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"migrate-uniswap-router": "cd uniswap && truffle migrate",
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"migrate-main": "truffle migrate",
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"bridge": "ethereum-bridge -H localhost:9545 -a 1 --dev",
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"migrate-all": "npm run migrate-weth && npm run migrate-uniswap-factory && npm run migrate-uniswap-router && npm run migrate-main"
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},
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"resolutions": {
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"serialize-javascript": "^3.1.0"
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},
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"dependencies": {
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"@babel/core": "*",
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"@uniswap/v2-core": "^1.0.1",
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"@uniswap/v2-periphery": "^1.1.0-beta.0",
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"sha3": "^2.1.2",
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"solc": "^0.6.12",
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"solium": "^1.0.0"
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},
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"devDependencies": {
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"@truffle/hdwallet-provider": "^1.2.6",
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"bignumber.js": "^8.0.2",
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"chai": "^4.2.0",
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"chai-bignumber": "^3.0.0",
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"coveralls": "^3.1.1",
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"eslint": "^5.13.0",
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"eth-gas-reporter": "^0.1.12",
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"ethereum-bridge": "^0.6.2",
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"ethlint": "1.2.3",
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"ganache-cli": "^6.9.1",
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"serialize-javascript": "^4.0.0",
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"solidity-coverage": "^0.7.16",
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"truffle": "^5.4.3",
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"web3": "^1.3.5"
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}
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}

‎test/exceptionsHelpers.js

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const errorString = "VM Exception while processing transaction: ";
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async function tryCatch(promise, reason) {
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try {
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await promise;
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throw null;
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}
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catch (error) {
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assert(error, "Expected a VM exception but did not get one");
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assert(error.message.search(errorString + reason) >= 0, "Expected an error containing '" + errorString + reason + "' but got '" + error.message + "' instead");
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}
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};
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module.exports = {
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catchRevert : async function(promise) {await tryCatch(promise, "revert" );},
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catchOutOfGas : async function(promise) {await tryCatch(promise, "out of gas" );},
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catchInvalidJump : async function(promise) {await tryCatch(promise, "invalid JUMP" );},
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catchInvalidOpcode : async function(promise) {await tryCatch(promise, "invalid opcode" );},
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catchStackOverflow : async function(promise) {await tryCatch(promise, "stack overflow" );},
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catchStackUnderflow : async function(promise) {await tryCatch(promise, "stack underflow" );},
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catchStaticStateChange : async function(promise) {await tryCatch(promise, "static state change");},
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};

‎test/token.test.js

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const Token = artifacts.require("Token");
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const catchRevert = require("./exceptionsHelpers.js").catchRevert;
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require("./utils");
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const BN = web3.utils.BN;
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// TESTING PARAMETERS
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const SECONDS_IN_DAY = 30;
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const FIVE_ETH = web3.utils.toWei("5");
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const STATIC_SUPPLY = web3.utils.toWei("5000000");
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const getLastEvent = async (eventName, instance) => {
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const events = await instance.getPastEvents(eventName, {
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fromBlock: 0,
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toBlock: "latest",
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});
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return events.pop().returnValues;
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};
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contract("Token", ([owner, user1, user2, random]) => {
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let token;
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let launchTime;
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before(async () => {
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token = await Token.new();
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});
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describe.skip("Initial Variables", () => {
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it("should have correct token name", async () => {
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const name = await token.name();
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assert.equal(
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name,
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"Token"
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);
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});
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it("should have correct token symbol", async () => {
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const symbol = await token.symbol();
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assert.equal(
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symbol,
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"TKN"
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);
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});
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it("should have correct token decimals", async () => {
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const decimals = await token.decimals();
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assert.equal(
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decimals,
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18
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);
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});
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});
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});

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