文件 1 的 1:RibeSwapFactory.sol
pragma solidity 0.5.16;
interface IHatiSacrifice
{
function depositToken(address lpAddress, address addressBaseToken, uint amount) external;
}
contract Ownable {
function _msgSender() internal view returns (address) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this;
return msg.data;
}
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() public{
_transferOwnership(_msgSender());
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
pragma solidity >=0.5.0;
interface IRibeSwapCallee {
function ribeSwapCall(address sender, uint amount0, uint amount1, bytes calldata data) external;
}
interface IRibeToken
{
function buyFeePercentage() external view returns(uint);
function onBuyFeeCollected(address tokenAddress, uint amount) external;
function sellFeePercentage() external view returns(uint);
function onSellFeeCollected(address tokenAddress, uint amount) external;
}
interface IERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
}
pragma solidity =0.5.16;
library UQ112x112 {
uint224 constant Q112 = 2**112;
function encode(uint112 y) internal pure returns (uint224 z) {
z = uint224(y) * Q112;
}
function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {
z = x / uint224(y);
}
}
library Math {
function min(uint x, uint y) internal pure returns (uint z) {
z = x < y ? x : y;
}
function sqrt(uint y) internal pure returns (uint z) {
if (y > 3) {
z = y;
uint x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
}
library SafeMath {
function add(uint x, uint y) internal pure returns (uint z) {
require((z = x + y) >= x, 'ds-math-add-overflow');
}
function sub(uint x, uint y) internal pure returns (uint z) {
require((z = x - y) <= x, 'ds-math-sub-underflow');
}
function mul(uint x, uint y) internal pure returns (uint z) {
require(y == 0 || (z = x * y) / y == x, 'ds-math-mul-overflow');
}
}
pragma solidity >=0.5.0;
interface IRibeSwapERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
}
pragma solidity =0.5.16;
contract RibeSwapERC20 is IRibeSwapERC20 {
using SafeMath for uint;
string public constant name = 'RibeSwap ';
string public constant symbol = 'RIBE-';
uint8 public constant decimals = 18;
uint public totalSupply;
mapping(address => uint) public balanceOf;
mapping(address => mapping(address => uint)) public allowance;
bytes32 public DOMAIN_SEPARATOR;
bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
mapping(address => uint) public nonces;
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
constructor() public {
uint chainId;
assembly {
chainId := chainid
}
DOMAIN_SEPARATOR = keccak256(
abi.encode(
keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'),
keccak256(bytes(name)),
keccak256(bytes('1')),
chainId,
address(this)
)
);
}
function _mint(address to, uint value) internal {
totalSupply = totalSupply.add(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(address(0), to, value);
}
function _burn(address from, uint value) internal {
balanceOf[from] = balanceOf[from].sub(value);
totalSupply = totalSupply.sub(value);
emit Transfer(from, address(0), value);
}
function _approve(address owner, address spender, uint value) private {
allowance[owner][spender] = value;
emit Approval(owner, spender, value);
}
function _transfer(address from, address to, uint value) private {
balanceOf[from] = balanceOf[from].sub(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(from, to, value);
}
function approve(address spender, uint value) external returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
function transfer(address to, uint value) external returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function transferFrom(address from, address to, uint value) external returns (bool) {
if (allowance[from][msg.sender] != uint(-1)) {
allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);
}
_transfer(from, to, value);
return true;
}
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external {
require(deadline >= block.timestamp, 'RibeSwap: EXPIRED');
bytes32 digest = keccak256(
abi.encodePacked(
'\x19\x01',
DOMAIN_SEPARATOR,
keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
)
);
address recoveredAddress = ecrecover(digest, v, r, s);
require(recoveredAddress != address(0) && recoveredAddress == owner, 'RibeSwap: INVALID_SIGNATURE');
_approve(owner, spender, value);
}
}
interface IRibeSwapPair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
pragma solidity >=0.5.0;
interface IRibeSwapFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
function setBaseToken(address tokenAddress, bool value) external;
function setRouterAddress(address routerAddress, bool value) external;
function isBaseTokenFunction(address _address) external view returns(bool);
function addressIsRouter(address routerAddress) external view returns(bool);
function getHatiSacrificeAddress() external view returns(address);
}
pragma solidity =0.5.16;
contract RibeSwapPair is IRibeSwapPair, RibeSwapERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0;
uint112 private reserve1;
uint32 private blockTimestampLast;
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast;
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'RibeSwap: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'RibeSwap: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address Uniswapunt1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'RibeSwap: FORBIDDEN');
token0 = _token0;
token1 = _token1;
}
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'RibeSwap: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast;
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IRibeSwapFactory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast;
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves();
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply;
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY);
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'RibeSwap: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1);
emit Mint(msg.sender, amount0, amount1);
}
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves();
address _token0 = token0;
address _token1 = token1;
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply;
amount0 = liquidity.mul(balance0) / _totalSupply;
amount1 = liquidity.mul(balance1) / _totalSupply;
require(amount0 > 0 && amount1 > 0, 'RibeSwap: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1);
emit Burn(msg.sender, amount0, amount1, to);
}
function calculateFee(uint256 feePercentage, uint256 amount, uint256 feeDecimal) internal pure returns(uint256) {
return (amount * feePercentage) / (10**(feeDecimal + 2));
}
function processFees(address token, address pairedToken, uint256 amount, address to) internal returns(uint256)
{
if(IRibeSwapFactory(factory).isBaseTokenFunction(token)
&& !RibeSwapFactory(address(factory)).addressIsRouter(to))
{
require(IRibeToken(pairedToken).sellFeePercentage() <= 1000, 'RibeSwapRouter: SELL FEE IS TOO HIGH');
uint tokenFee = calculateFee(IRibeToken(pairedToken).sellFeePercentage(), amount, 2);
uint platformFee = calculateFee(30, amount, 2);
amount -= tokenFee;
amount -= platformFee;
_safeTransfer(token, pairedToken, tokenFee);
IERC20(token).approve(IRibeSwapFactory(factory).getHatiSacrificeAddress(), platformFee);
IHatiSacrifice(IRibeSwapFactory(factory).getHatiSacrificeAddress()).depositToken(pairedToken, token, platformFee);
IRibeToken(pairedToken).onSellFeeCollected(token, tokenFee);
}
_safeTransfer(token, to, amount);
return amount;
}
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'RibeSwap: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves();
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'RibeSwap: INSUFFICIENT_LIQUIDITY');
require(RibeSwapFactory(address(factory)).addressIsRouter(msg.sender), 'RibeSwap: Sender must be router');
uint balance0;
uint balance1;
{
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'RibeSwap: INVALID_TO');
if (amount0Out > 0)
{
amount0Out = processFees(_token0, _token1, amount0Out, to);
}
if (amount1Out > 0)
{
amount1Out = processFees(_token1, _token0, amount1Out, to);
}
if (data.length > 0) IRibeSwapCallee(to).ribeSwapCall(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'RibeSwap: INSUFFICIENT_INPUT_AMOUNT');
{
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'RibeSwap: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
function skim(address to) external lock {
address _token0 = token0;
address _token1 = token1;
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
}
contract RibeSwapFactory is IRibeSwapFactory, Ownable {
address public feeTo;
address public feeToSetter;
mapping(address => mapping(address => address)) public getPair;
address[] public allPairs;
mapping(address => bool) isRouter;
uint256 public sellFee;
address public hatiSacrificeAddress = 0x000000000000000000000000000000000000dEaD;
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
constructor(address _feeToSetter) public {
feeToSetter = _feeToSetter;
}
function allPairsLength() external view returns (uint) {
return allPairs.length;
}
function createPair(address tokenA, address tokenB) external returns (address pair) {
require(tokenA != tokenB, 'RibeSwap: IDENTICAL_ADDRESSES');
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'RibeSwap: ZERO_ADDRESS');
require(getPair[token0][token1] == address(0), 'RibeSwap: PAIR_EXISTS');
bytes memory bytecode = type(RibeSwapPair).creationCode;
bytes32 salt = keccak256(abi.encodePacked(token0, token1));
assembly {
pair := create2(0, add(bytecode, 32), mload(bytecode), salt)
}
IRibeSwapPair(pair).initialize(token0, token1);
getPair[token0][token1] = pair;
getPair[token1][token0] = pair;
allPairs.push(pair);
emit PairCreated(token0, token1, pair, allPairs.length);
}
function setFeeTo(address _feeTo) external {
require(msg.sender == feeToSetter, 'RibeSwap: FORBIDDEN');
feeTo = _feeTo;
}
function setFeeToSetter(address _feeToSetter) external {
require(msg.sender == feeToSetter, 'RibeSwap: FORBIDDEN');
feeToSetter = _feeToSetter;
}
mapping(address => bool) isBaseToken;
function isBaseTokenFunction(address _address) public view returns(bool)
{
return isBaseToken[_address];
}
function addressIsRouter(address routerAddress) public view returns(bool) {
return isRouter[routerAddress];
}
function getHatiSacrificeAddress() external view returns(address) {
return hatiSacrificeAddress;
}
function setBaseToken(address tokenAddress, bool value) public onlyOwner
{
isBaseToken[tokenAddress] = value;
}
function setRouterAddress(address routerAddress, bool value) external onlyOwner {
require(msg.sender == feeToSetter, 'RibeSwap: FORBIDDEN');
isRouter[routerAddress] = value;
}
function setHatiSacrificeAddress(address _hatiSacrificeAddress) external onlyOwner {
hatiSacrificeAddress = _hatiSacrificeAddress;
}
}