Parasol code example 2

Token.psol

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;
        }
    {{ } }}

}