// File: contracts/SafeMath.sol
pragma solidity ^0.4.8;
contract SafeMath {
function safeAdd(uint256 _x, uint256 _y) internal returns(uint256) {
uint256 z = _x + _y;
assert((z >= _x) && (z >= _y));
return z;
}
function safeSub(uint256 _x, uint256 _y) internal returns (uint256) {
assert(_x >= _y);
return _x - _y;
}
}
// File: contracts/ERC20Interface.sol
pragma solidity ^0.4.8;
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/issues/20
contract ERC20Interface {
/* -------------Function----------------------------*/
// Get the total token supply
function totalSupply() public constant returns (uint256 _totalSupply);
// Get the account balance of another account with address _owner
function balanceOf(address _owner) public constant returns (uint256 balance);
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value) public returns (bool success);
// Send _value amount of tokens from address _from to address _to
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
// Allow _spender to withdraw from your account, multiple times, up to the _value amount.
// If this function is called again it overwrites the current allowance with _value.
// this function is required for some DEX functionality
function approve(address _spender, uint256 _value) public returns (bool success);
// Returns the amount which _spender is still allowed to withdraw from _owner
function allowance(address _owner, address _spender) public constant returns (uint256 remaining);
/* -------------Event----------------------------*/
// Triggered when tokens are transferred.
event Transfer(address indexed _from, address indexed _to, uint256 _value);
// Triggered whenever approve(address _spender, uint256 _value) is called.
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
// File: contracts/StandardToken.sol
pragma solidity ^0.4.8;
contract StandardToken is ERC20Interface, SafeMath{
/* Public variables of the token */
string public name;
string public symbol;
uint8 public decimals;
uint256 internal total;
/* This creates an array with all balances */
mapping (address => uint256) balances;
/* This creates an array with all allowance */
mapping (address => mapping (address => uint256)) allowed;
//
function totalSupply() public constant returns (uint256 _totalSupply) {
_totalSupply = total;
}
// @_owner
function balanceOf(address _owner) public constant returns (uint256 balance) {
balance = balances[_owner];
}
/// @notice Send `_value` tokens to `_to` from your account
/// @param _to The address of the recipient
/// @param _value the amount to send
function transfer(address _to, uint256 _value) public returns (bool success){
if (
balances[msg.sender] >= _value &&
_value > 0 &&
balances[_to] + _value > balances[_to]
) {
//
balances[msg.sender] = safeSub(balances[msg.sender],_value);
balances[_to] = safeAdd(balances[_to], _value);
// Event
Transfer(msg.sender, _to, _value);
return true;
} else {
return false;
}
}
/// @notice Send `_value` tokens to `_to` in behalf of `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value the amount to send
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (balances[_from] >= _value
&& allowed[_from][msg.sender] >= _value
&& _value > 0
&& balances[_to] + _value > balances[_to]) {
//
balances[_from] = safeSub(balances[_from],_value);
allowed[_from][msg.sender] = safeSub(allowed[_from][msg.sender],_value);
balances[_to] = safeAdd(balances[_to],_value);
// Event
Transfer(_from, _to, _value);
return true;
} else {
return false;
}
}
/// @notice Allows `_spender` to spend no more than `_value` tokens in your behalf
/// @param _spender The address authorized to spend
/// @param _value the max amount they can spend
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
// Event
Approval(msg.sender, _spender, _value);
return true;
}
// @notice
// @param _owner
// @param _spender
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
// File: contracts/ICO_Token.sol
pragma solidity ^0.4.8;
contract ICO_Token is StandardToken {
/* Initializes contract with initial supply tokens to the creator of the contract */
function ICO_Token (
uint256 initialSupply,
string tokenName,
uint8 decimalUnits,
string tokenSymbol
) public {
balances[msg.sender] = initialSupply; // Give the creator all initial tokens
total = initialSupply; // Update total supply
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
decimals = decimalUnits; // Amount of decimals for display purposes
}
}
{
"compilationTarget": {
"ICO_Token.sol": "ICO_Token"
},
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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