编译器
0.4.24+commit.e67f0147
文件 1 的 6:BasicToken.sol
pragma solidity ^0.4.24;
import "./ERC20Basic.sol";
import "./SafeMath.sol";
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) internal balances;
uint256 internal totalSupply_;
address internal owner;
mapping (address => bool) public frozenAccount;
mapping (address => bool) public whiteList;
bool public transferLocked = false;
event FrozenFunds(address target, bool frozen);
event SetWhiteList(address target, bool allowed);
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
if (transferLocked) {
require(whiteList[msg.sender]);
}
require(!frozenAccount[msg.sender]);
require(_value <= balances[msg.sender]);
require(_to != address(0));
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
function setTransferLocked(bool _transferLocked) onlyOwner public {
transferLocked = _transferLocked;
}
function setWhiteList(address _target, bool _allowed) onlyOwner public {
whiteList[_target] = _allowed;
emit SetWhiteList(_target, _allowed);
}
}
文件 2 的 6:ERC20.sol
pragma solidity ^0.4.24;
import "./ERC20Basic.sol";
contract ERC20 is ERC20Basic {
function allowance(address _owner, address _spender) public view returns (uint256);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
function approve(address _spender, uint256 _value) public returns (bool);
event Approval( address indexed owner, address indexed spender, uint256 value);
}
文件 3 的 6:ERC20Basic.sol
pragma solidity ^0.4.24;
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
文件 4 的 6:SafeMath.sol
pragma solidity ^0.4.24;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
文件 5 的 6:StandardToken.sol
pragma solidity ^0.4.24;
import "./BasicToken.sol";
import "./ERC20.sol";
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom( address _from, address _to, uint256 _value) public returns (bool) {
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(_to != address(0));
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance( address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval( address _spender, uint256 _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = (allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval( address _spender, uint256 _subtractedValue) public returns (bool) {
uint256 oldValue = allowed[msg.sender][_spender];
if (_subtractedValue >= oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
文件 6 的 6:TokenERC20.sol
pragma solidity ^0.4.24;
import './StandardToken.sol';
contract TokenERC20 is StandardToken {
string public name;
string public symbol;
uint8 public decimals;
address internal owner;
event Burn(address indexed from, uint256 value);
modifier onlyOwner {
require(msg.sender == owner);
_;
}
constructor(string _name, string _symbol, uint8 _decimals, uint256 _init_supply) public {
name = _name;
symbol = _symbol;
decimals = _decimals;
balances[msg.sender] = totalSupply_ = _init_supply * (10 ** uint(decimals));
owner = msg.sender;
}
function transferOwnership(address newOwner) public onlyOwner {
owner = newOwner;
}
function burnFrom(address _from, uint256 _value) onlyOwner public returns (bool success) {
require(balances[_from] >= _value);
balances[_from] = balances[_from].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_from, _value);
return true;
}
function mintToken(address _to, uint256 _mintedAmount) onlyOwner public {
balances[_to] = balances[_to].add(_mintedAmount);
totalSupply_ = totalSupply_.add(_mintedAmount);
emit Transfer(address(0), owner, _mintedAmount);
emit Transfer(owner, _to, _mintedAmount);
}
function freezeAccount(address _target, bool _freeze) onlyOwner public {
frozenAccount[_target] = _freeze;
emit FrozenFunds(_target, _freeze);
}
}
{
"compilationTarget": {
"TokenERC20.sol": "TokenERC20"
},
"evmVersion": "byzantium",
"libraries": {},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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