73 lines
2.0 KiB
Solidity
73 lines
2.0 KiB
Solidity
pragma solidity ^0.4.14;
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/// @title Test token contract - Allows testing of token transfers with multisig wallet.
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contract TestToken {
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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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mapping (address => uint256) public balanceOf;
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mapping (address => mapping (address => uint256)) allowed;
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uint256 public totalSupply;
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string public name;
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string public symbol;
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uint8 public decimals;
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function TestToken(string _name, string _symbol, uint8 _decimals) {
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require(bytes(_name).length > 0);
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require(bytes(_symbol).length > 0);
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name = _name;
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symbol = _symbol;
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decimals = _decimals;
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}
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function issueTokens(address _to, uint256 _value)
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public
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{
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balanceOf[_to] += _value;
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totalSupply += _value;
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}
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function transfer(address _to, uint256 _value)
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public
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returns (bool success)
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{
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return transfer(msg.sender, _to, _value);
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}
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function transferFrom(address _from, address _to, uint256 _value)
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public
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returns (bool success)
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{
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require(allowed[_from][msg.sender] >= _value);
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allowed[_from][msg.sender] -= _value;
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return transfer(_from, _to, _value);
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}
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function approve(address _spender, uint256 _value)
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public
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returns (bool success)
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{
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allowed[msg.sender][_spender] = _value;
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Approval(msg.sender, _spender, _value);
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return true;
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}
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function allowance(address _owner, address _spender)
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constant
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public
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returns (uint256 remaining)
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{
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return allowed[_owner][_spender];
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}
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function transfer(address _from, address _to, uint256 _value) private returns(bool) {
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require(balanceOf[_from] >= _value);
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Transfer(_from, _to, _value);
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balanceOf[_from] -= _value;
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balanceOf[_to] += _value;
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return true;
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}
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}
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