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SuretlyContract.sol
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SuretlyContract.sol
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pragma solidity ^0.4.11;
contract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData); }
contract SuretlyToken {
string public constant standard = 'Token 0.1';
string public constant name = "Suretly";
string public constant symbol = "SUR";
uint8 public constant decimals = 8;
uint256 public totalSupply = 237614 * 100000000;
address public owner;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event NewOwner(address _newOwner);
event Burn(address indexed _from, uint256 _value);
function SuretlyToken() {
owner = msg.sender;
balanceOf[owner] = totalSupply;
}
function replaceOwner(address _newOwner) returns (bool success) {
assert(msg.sender == owner);
owner = _newOwner;
NewOwner(_newOwner);
return true;
}
function transfer(address _to, uint256 _value) {
require(_to != 0x0);
require(_to != address(this));
assert(!(balanceOf[msg.sender] < _value));
assert(!(balanceOf[_to] + _value < balanceOf[_to]));
balanceOf[msg.sender] -= _value;
balanceOf[_to] += _value;
Transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
require(_to != 0x0);
require(_to != address(this));
assert(!(balanceOf[_from] < _value));
assert(!(balanceOf[_to] + _value < balanceOf[_to]));
assert(!(_value > allowance[_from][msg.sender]));
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
allowance[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
function burn(uint256 _value) returns (bool success) {
assert(!(balanceOf[msg.sender] < _value));
balanceOf[msg.sender] -= _value;
totalSupply -= _value;
Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) returns (bool success) {
assert(!(balanceOf[_from] < _value));
assert(!(_value > allowance[_from][msg.sender]));
balanceOf[_from] -= _value;
totalSupply -= _value;
Burn(_from, _value);
return true;
}
}