Contract Name:
StreampayToken
Contract Source Code:
File 1 of 1 : StreampayToken
pragma solidity ^0.4.16;
interface IERC20 {
function totalSupply() constant returns (uint256 totalSupply);
function balanceOf(address _owner) constant returns (uint256 balance);
function transfer(address _to, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract StreampayToken is IERC20 {
// Public variables of the token
uint256 public constant _totalSupply = 20000000 * 10**18;
string public constant name = "StreamPay Token";
string public constant symbol = "STPY";
uint256 public constant decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
// This creates an array with all balances
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
function StreampayToken () public
{
balances[msg.sender] = _totalSupply;
}
function totalSupply() constant returns (uint256 totalSupply)
{
return _totalSupply;
}
function balanceOf(address _owner) constant public returns (uint256 balance)
{
return balances[_owner];
}
function transfer(address _to, uint256 _value)public returns (bool success)
{
require(
balances[msg.sender] >= _value && _value > 0
);
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success)
{
require(
allowed[_from][msg.sender] >= _value && balances[_from] >= _value && _value > 0
);
balances[_from] -= _value;
balances[_to] += _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
}
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];
}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}