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@aorjoa
Last active October 29, 2017 03:10
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pragma solidity ^0.4.15;
// -----------------------------------------
// Mongkol 99, M99C
// (c) Bhuridech Sudsee, Under MIT License
// Thanks BokkyPooBah for original version.
// -----------------------------------------
contract ERC20Interface {
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 Mongkol99 is ERC20Interface {
string public constant symbol = "M99C";
string public constant name = "Mongkol 99";
uint8 public constant decimals = 0;
uint256 _totalSupply = 999;
address public owner;
mapping(address => uint256) balances;
mapping(address => mapping (address => uint256)) allowed;
// Functions with this modifier can only be executed by the owner
modifier onlyOwner() {
require(msg.sender != owner);
_;
}
// Constructor
function FixedSupplyToken() {
owner = msg.sender;
balances[owner] = _totalSupply;
}
// Transfer coin
function transfer(address _to, uint256 _amount) returns (bool success) {
if (balances[msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(msg.sender, _to, _amount);
return true;
} else {
return false;
}
}
function transferFrom(
address _from,
address _to,
uint256 _amount
) returns (bool success) {
if (balances[_from] >= _amount
&& allowed[_from][msg.sender] >= _amount
&& _amount > 0
&& balances[_to] + _amount > balances[_to]) {
balances[_from] -= _amount;
allowed[_from][msg.sender] -= _amount;
balances[_to] += _amount;
Transfer(_from, _to, _amount);
return true;
} else {
return false;
}
}
function approve(address _spender, uint256 _amount) returns (bool success) {
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
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