Contract Source Code:
File 1 of 1 : Hotc
pragma solidity ^0.4.8;
///////////////
// SAFE MATH //
///////////////
contract SafeMath {
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
} // assert no longer needed once solidity is on 0.4.10
function safeAdd(uint256 x, uint256 y) internal returns(uint256) {
uint256 z = x + y;
assert((z >= x) && (z >= y));
return z;
}
function safeSubtract(uint256 x, uint256 y) internal returns(uint256) {
assert(x >= y);
uint256 z = x - y;
return z;
}
function safeMult(uint256 x, uint256 y) internal returns(uint256) {
uint256 z = x * y;
assert((x == 0)||(z/x == y));
return z;
}
}
////////////////////
// STANDARD TOKEN //
////////////////////
contract Token {
uint256 public 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);
}
/* ERC 20 token */
contract StandardToken is Token {
function transfer(address _to, uint256 _value) returns (bool success) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
} else {
return false;
}
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
} else {
return false;
}
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
}
/////////////////////
// HOT CHAIN TOKEN //
/////////////////////
contract Hotc is StandardToken, SafeMath {
// Descriptive properties
string public constant name = "HOTchain";
string public constant symbol = "HOTC";
uint256 public constant decimals = 18;
uint256 public totalSupply = 1000000000 * 10**decimals;
string public version = "1.0";
// Account for ether proceed.
address public etherProceedsAccount;
uint256 public constant CAP = 1000000000 * 10**decimals;
// constructor
function Hotc(address _etherProceedsAccount) {
etherProceedsAccount = _etherProceedsAccount;
balances[etherProceedsAccount] += CAP;
Transfer(this, etherProceedsAccount, CAP);
}
function () payable public {
require(msg.value == 0);
}
}