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pragma solidity ^0.4.2;
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 Owner {
address public owner;
function Owner() {
owner = msg.sender;
}
modifier onlyOwner() {
if(msg.sender != owner) throw;
_;
}
function transferOwnership(address new_owner) onlyOwner {
owner = new_owner;
}
}
contract RemiCoin is ERC20Interface,Owner {
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
mapping(address => uint256) balances;
mapping (address => bool) public frozenAccount;
mapping(address => mapping (address => uint256)) allowed;
event FrozenFunds(address target, bool frozen);
function RemiCoin(uint256 initial_supply, string _name, string _symbol, uint8 _decimal) {
balances[msg.sender] = initial_supply;
name = _name;
symbol = _symbol;
decimals = _decimal;
totalSupply = initial_supply;
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address to, uint value) returns (bool success) {
if (frozenAccount[msg.sender]) return false;
if(balances[msg.sender] < value) return false;
if(balances[to] + value < balances[to]) return false;
balances[msg.sender] -= value;
balances[to] += value;
Transfer(msg.sender, to, value);
return true;
}
function transferFrom(address from, address to, uint value) returns (bool success) {
if (frozenAccount[msg.sender]) return false;
if(balances[from] < value) return false;
if( allowed[from][msg.sender] >= value ) return false;
if(balances[to] + value < balances[to]) return false;
balances[from] -= value;
allowed[from][msg.sender] -= value;
balances[to] += value;
Transfer(from, to, value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function approve(address _spender, uint256 _amount) returns (bool success) {
allowed[msg.sender][_spender] = _amount;
Approval(msg.sender, _spender, _amount);
return true;
}
function mintToken(address target, uint256 mintedAmount) onlyOwner{
balances[target] += mintedAmount;
totalSupply += mintedAmount;
Transfer(0,owner,mintedAmount);
Transfer(owner,target,mintedAmount);
}
function freezeAccount(address target, bool freeze) onlyOwner {
frozenAccount[target] = freeze;
FrozenFunds(target, freeze);
}
function changeName(string _name) onlyOwner {
name = _name;
}
function changeSymbol(string _symbol) onlyOwner {
symbol = _symbol;
}
function changeDecimals(uint8 _decimals) onlyOwner {
decimals = _decimals;
}
} |