open-bounty/contracts/TestToken.sol

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2017-08-20 18:33:28 +00:00
pragma solidity ^0.4.14;
/// @title Test token contract - Allows testing of token transfers with multisig wallet.
contract TestToken {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
string public name;
string public symbol;
uint8 public decimals;
function TestToken(string _name, string _symbol, uint8 _decimals) {
require(bytes(_name).length > 0);
require(bytes(_symbol).length > 0);
name = _name;
symbol = _symbol;
decimals = _decimals;
}
function issueTokens(address _to, uint256 _value)
public
{
balanceOf[_to] += _value;
totalSupply += _value;
}
function transfer(address _to, uint256 _value)
public
returns (bool success)
{
return transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value)
public
returns (bool success)
{
require(allowed[_from][msg.sender] >= _value);
allowed[_from][msg.sender] -= _value;
return transfer(_from, _to, _value);
}
function approve(address _spender, uint256 _value)
public
returns (bool success)
{
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender)
constant
public
returns (uint256 remaining)
{
return allowed[_owner][_spender];
}
function transfer(address _from, address _to, uint256 _value) private returns(bool) {
require(balanceOf[_from] >= _value);
Transfer(_from, _to, _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
return true;
}
}