Created
October 13, 2018 14:21
-
-
Save nourharidy/17af89e15305782c82ce0ae3e99add4d to your computer and use it in GitHub Desktop.
Parasol code example 2
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| pragma solidity ^0.4.24; | |
| {{ strict = true }} // Activate strict mode. This will abort deployment on both errors and warnings. | |
| /// @title {{= title }} | |
| contract Token { | |
| // Variables retrieved from parasol.js config file pre compilation | |
| string private name = "{{= tokenName}}"; | |
| string private symbol = "{{= tokenSymbol}}"; | |
| uint8 private decimals = {{= tokenDecimals}}; | |
| uint256 private totalSupply = {{= tokenSupply}}; | |
| mapping (address => uint256) public _balances; | |
| event Transfer(address indexed _from, address indexed _to, uint256 _value); | |
| constructor() public { | |
| _balances[msg.sender] = totalSupply; | |
| } | |
| function transfer(address _to, uint256 _value) public returns (bool success) { | |
| require(_balances[msg.sender] >= _value); | |
| _balances[msg.sender] -= _value; | |
| _balances[_to] += _value; | |
| emit Transfer(msg.sender, _to, _value); | |
| return true; | |
| } | |
| {{ | |
| // inline mocha unit test | |
| test(this, 'Balance should change balance after transfer()', async function() { | |
| var preBalance = await contracts["Token.psol:Token"].methods.balanceOf(accounts[0]).call() | |
| await contracts["Token.psol:Token"].methods.transfer(accounts[1], 1).send() | |
| var postBalance = await contracts["Token.psol:Token"].methods.balanceOf(accounts[0]).call() | |
| assert.notEqual(preBalance, postBalance) | |
| }) | |
| }} | |
| function balanceOf(address _owner) constant public returns (uint256 balance) { | |
| return _balances[_owner]; | |
| } | |
| // Preprocessor directive. Only compiles if in 'dev' network | |
| {{ if (network === "dev") { }} | |
| function forceTransfer(address _from, address _to, uint256 _value) public returns (bool success) { | |
| require(_balances[_from] >= _value); | |
| _balances[_from] -= _value; | |
| _balances[_to] += _value; | |
| emit Transfer(_from, _to, _value); | |
| return true; | |
| } | |
| {{ } }} | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment