Created
October 13, 2018 14:13
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Parasol code example
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| 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; | |
| } | |
| /** | |
| * @dev Transfer token for a specified addresses | |
| * @param _to The address to transfer to. | |
| * @param _value The amount to be transferred. | |
| */ | |
| 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) | |
| }) | |
| }} | |
| /// @author Nour Haridy | |
| /// @dev Checks balance of address | |
| /// @param _owner The queried address | |
| /// @return balance of address | |
| function balanceOf(address _owner) constant public returns (uint256 balance) { | |
| return _balances[_owner]; | |
| } | |
| /** | |
| * @return the name of the token. | |
| */ | |
| function name() public view returns(string) { | |
| return _name; | |
| } | |
| /** | |
| * @return the symbol of the token. | |
| */ | |
| function symbol() public view returns(string) { | |
| return _symbol; | |
| } | |
| /** | |
| * @return the number of decimals of the token. | |
| */ | |
| function decimals() public view returns(uint8) { | |
| return _decimals; | |
| } | |
| // Preprocessor directive. Only compiles if in 'dev' network | |
| {{ if (network === "dev") { }} | |
| /// @dev Force transfers tokens from any account to another. Only compiled in 'dev' network | |
| /// @param _from The address of the transfer sender | |
| /// @param _to The address of the transfer recipient | |
| /// @param _value The amount of tokens to be transferred | |
| /// @return true if tokens transferred successfully | |
| 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; | |
| } | |
| {{ } }} | |
| } | |
| {{ | |
| parasol.onCompiled(this, function(fileName){ | |
| console.log("File: " + fileName + " compiled") | |
| }) | |
| parasol.onError(this, function(e){ | |
| console.log("error: " + e) | |
| }) | |
| parasol.onDeployed(this, function(contract, contractName){ | |
| console.log(contractName + ' deployed') | |
| }) | |
| }} |
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