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pragma solidity ^0.6.0; | |
pragma experimental ABIEncoderV2; | |
interface IERC20 { | |
/** | |
* @dev Returns the amount of tokens in existence. | |
*/ | |
function totalSupply() external view returns (uint256); | |
/** | |
* @dev Returns the amount of tokens owned by `account`. | |
*/ | |
function balanceOf(address account) external view returns (uint256); | |
/** | |
* @dev Moves `amount` tokens from the caller's account to `recipient`. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transfer(address recipient, uint256 amount) external returns (bool); | |
/** | |
* @dev Returns the remaining number of tokens that `spender` will be | |
* allowed to spend on behalf of `owner` through {transferFrom}. This is | |
* zero by default. | |
* | |
* This value changes when {approve} or {transferFrom} are called. | |
*/ | |
function allowance(address owner, address spender) external view returns (uint256); | |
/** | |
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* IMPORTANT: Beware that changing an allowance with this method brings the risk | |
* that someone may use both the old and the new allowance by unfortunate | |
* transaction ordering. One possible solution to mitigate this race | |
* condition is to first reduce the spender's allowance to 0 and set the | |
* desired value afterwards: | |
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 | |
* | |
* Emits an {Approval} event. | |
*/ | |
function approve(address spender, uint256 amount) external returns (bool); | |
/** | |
* @dev Moves `amount` tokens from `sender` to `recipient` using the | |
* allowance mechanism. `amount` is then deducted from the caller's | |
* allowance. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); | |
/** | |
* @dev Emitted when `value` tokens are moved from one account (`from`) to | |
* another (`to`). | |
* | |
* Note that `value` may be zero. | |
*/ | |
event Transfer(address indexed from, address indexed to, uint256 value); | |
/** | |
* @dev Emitted when the allowance of a `spender` for an `owner` is set by | |
* a call to {approve}. `value` is the new allowance. | |
*/ | |
event Approval(address indexed owner, address indexed spender, uint256 value); | |
} | |
// SPDX-License-Identifier: MIT | |
/** | |
* @dev Collection of functions related to the address type | |
*/ | |
library Address { | |
/** | |
* @dev Returns true if `account` is a contract. | |
* | |
* [IMPORTANT] | |
* ==== | |
* It is unsafe to assume that an address for which this function returns | |
* false is an externally-owned account (EOA) and not a contract. | |
* | |
* Among others, `isContract` will return false for the following | |
* types of addresses: | |
* | |
* - an externally-owned account | |
* - a contract in construction | |
* - an address where a contract will be created | |
* - an address where a contract lived, but was destroyed | |
* ==== | |
*/ | |
function isContract(address account) internal view returns (bool) { | |
// This method relies in extcodesize, which returns 0 for contracts in | |
// construction, since the code is only stored at the end of the | |
// constructor execution. | |
uint256 size; | |
// solhint-disable-next-line no-inline-assembly | |
assembly { size := extcodesize(account) } | |
return size > 0; | |
} | |
/** | |
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to | |
* `recipient`, forwarding all available gas and reverting on errors. | |
* | |
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost | |
* of certain opcodes, possibly making contracts go over the 2300 gas limit | |
* imposed by `transfer`, making them unable to receive funds via | |
* `transfer`. {sendValue} removes this limitation. | |
* | |
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. | |
* | |
* IMPORTANT: because control is transferred to `recipient`, care must be | |
* taken to not create reentrancy vulnerabilities. Consider using | |
* {ReentrancyGuard} or the | |
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. | |
*/ | |
function sendValue(address payable recipient, uint256 amount) internal { | |
require(address(this).balance >= amount, "Address: insufficient balance"); | |
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value | |
(bool success, ) = recipient.call{ value: amount }(""); | |
require(success, "Address: unable to send value, recipient may have reverted"); | |
} | |
/** | |
* @dev Performs a Solidity function call using a low level `call`. A | |
* plain`call` is an unsafe replacement for a function call: use this | |
* function instead. | |
* | |
* If `target` reverts with a revert reason, it is bubbled up by this | |
* function (like regular Solidity function calls). | |
* | |
* Returns the raw returned data. To convert to the expected return value, | |
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. | |
* | |
* Requirements: | |
* | |
* - `target` must be a contract. | |
* - calling `target` with `data` must not revert. | |
* | |
* _Available since v3.1._ | |
*/ | |
function functionCall(address target, bytes memory data) internal returns (bytes memory) { | |
return functionCall(target, data, "Address: low-level call failed"); | |
} | |
/** | |
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with | |
* `errorMessage` as a fallback revert reason when `target` reverts. | |
* | |
* _Available since v3.1._ | |
*/ | |
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { | |
return _functionCallWithValue(target, data, 0, errorMessage); | |
} | |
/** | |
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], | |
* but also transferring `value` wei to `target`. | |
* | |
* Requirements: | |
* | |
* - the calling contract must have an ETH balance of at least `value`. | |
* - the called Solidity function must be `payable`. | |
* | |
* _Available since v3.1._ | |
*/ | |
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { | |
return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); | |
} | |
/** | |
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but | |
* with `errorMessage` as a fallback revert reason when `target` reverts. | |
* | |
* _Available since v3.1._ | |
*/ | |
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { | |
require(address(this).balance >= value, "Address: insufficient balance for call"); | |
return _functionCallWithValue(target, data, value, errorMessage); | |
} | |
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { | |
require(isContract(target), "Address: call to non-contract"); | |
// solhint-disable-next-line avoid-low-level-calls | |
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data); | |
if (success) { | |
return returndata; | |
} else { | |
// Look for revert reason and bubble it up if present | |
if (returndata.length > 0) { | |
// The easiest way to bubble the revert reason is using memory via assembly | |
// solhint-disable-next-line no-inline-assembly | |
assembly { | |
let returndata_size := mload(returndata) | |
revert(add(32, returndata), returndata_size) | |
} | |
} else { | |
revert(errorMessage); | |
} | |
} | |
} | |
} | |
interface IUniswapV2Pair { | |
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; | |
} | |
interface IUniswapV2Router01 { | |
function factory() external pure returns (address); | |
function WETH() external pure returns (address); | |
function addLiquidity( | |
address tokenA, | |
address tokenB, | |
uint amountADesired, | |
uint amountBDesired, | |
uint amountAMin, | |
uint amountBMin, | |
address to, | |
uint deadline | |
) external returns (uint amountA, uint amountB, uint liquidity); | |
function addLiquidityETH( | |
address token, | |
uint amountTokenDesired, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline | |
) external payable returns (uint amountToken, uint amountETH, uint liquidity); | |
function removeLiquidity( | |
address tokenA, | |
address tokenB, | |
uint liquidity, | |
uint amountAMin, | |
uint amountBMin, | |
address to, | |
uint deadline | |
) external returns (uint amountA, uint amountB); | |
function removeLiquidityETH( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline | |
) external returns (uint amountToken, uint amountETH); | |
function removeLiquidityWithPermit( | |
address tokenA, | |
address tokenB, | |
uint liquidity, | |
uint amountAMin, | |
uint amountBMin, | |
address to, | |
uint deadline, | |
bool approveMax, uint8 v, bytes32 r, bytes32 s | |
) external returns (uint amountA, uint amountB); | |
function removeLiquidityETHWithPermit( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline, | |
bool approveMax, uint8 v, bytes32 r, bytes32 s | |
) external returns (uint amountToken, uint amountETH); | |
function swapExactTokensForTokens( | |
uint amountIn, | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external returns (uint[] memory amounts); | |
function swapTokensForExactTokens( | |
uint amountOut, | |
uint amountInMax, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external returns (uint[] memory amounts); | |
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) | |
external | |
payable | |
returns (uint[] memory amounts); | |
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) | |
external | |
returns (uint[] memory amounts); | |
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) | |
external | |
returns (uint[] memory amounts); | |
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) | |
external | |
payable | |
returns (uint[] memory amounts); | |
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); | |
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); | |
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); | |
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); | |
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); | |
} | |
interface IUniswapV2Router02 is IUniswapV2Router01 { | |
function removeLiquidityETHSupportingFeeOnTransferTokens( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline | |
) external returns (uint amountETH); | |
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline, | |
bool approveMax, uint8 v, bytes32 r, bytes32 s | |
) external returns (uint amountETH); | |
function swapExactTokensForTokensSupportingFeeOnTransferTokens( | |
uint amountIn, | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external; | |
function swapExactETHForTokensSupportingFeeOnTransferTokens( | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external payable; | |
function swapExactTokensForETHSupportingFeeOnTransferTokens( | |
uint amountIn, | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external; | |
} | |
// import '@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol'; | |
contract MDXLP { | |
using Address for address; | |
uint256 public x; | |
uint256 public y; | |
address owner; | |
address public lptoken; | |
address public token0; | |
address public token1; | |
uint256 public lpBalance; | |
IUniswapV2Router02 uniswap = IUniswapV2Router02(0xED7d5F38C79115ca12fe6C0041abb22F0A06C300); | |
address[] mdx2usdt; | |
address[] usdt2mdx; | |
constructor(address _lptoken,uint256 _lpBalance,address mdx) public{ | |
lptoken = _lptoken; | |
lpBalance = _lpBalance; | |
token0 = IUniswapV2Pair(lptoken).token0(); | |
token1 = IUniswapV2Pair(lptoken).token1(); | |
if (mdx == token0){ | |
mdx2usdt = [token0,token1]; | |
usdt2mdx = [token1,token0]; | |
}else{ | |
mdx2usdt = [token1,token0]; | |
usdt2mdx = [token0,token1]; | |
} | |
(x,y) = getxy(); | |
owner = tx.origin; | |
IERC20(token0).approve(address(uniswap),uint256(-1)); | |
IERC20(token1).approve(address(uniswap),uint256(-1)); | |
} | |
function sync() public{ | |
require(owner==tx.origin,"!owner"); | |
(x,y) = getxy(); | |
} | |
function getxy() public view returns(uint256,uint256){ | |
(uint112 _reserve0, uint112 _reserve1,) = IUniswapV2Pair(lptoken).getReserves(); | |
uint256 totolSupply = IUniswapV2Pair(lptoken).totalSupply(); | |
return (lpBalance*_reserve0/totolSupply+IERC20(token0).balanceOf(address(this)),lpBalance*_reserve1/totolSupply+IERC20(token1).balanceOf(address(this))); | |
} | |
function getshare1(uint256 _lpbalance) public view returns(uint256,uint256){ | |
(uint112 _reserve0, uint112 _reserve1,) = IUniswapV2Pair(lptoken).getReserves(); | |
uint256 totolSupply = IUniswapV2Pair(lptoken).totalSupply(); | |
return (_lpbalance*_reserve0/totolSupply,_lpbalance*_reserve1/totolSupply); | |
} | |
function do1() public { | |
require(owner==tx.origin,"!owner"); | |
(uint _x,) = getxy(); | |
if (_x > x){ | |
uint256 sellx = _x - x; | |
uniswap.swapExactTokensForTokens(sellx,1,mdx2usdt,address(this),now+300); | |
}else{ | |
uint256 buyx = x-_x; | |
uniswap.swapTokensForExactTokens(buyx,IERC20(usdt2mdx[0]).balanceOf(address(this)),usdt2mdx,address(this),now+300); | |
} | |
} | |
function setx(uint _x) public{ | |
require(owner==tx.origin,"!owner"); | |
x = _x; | |
} | |
function sety(uint _y) public{ | |
require(owner==tx.origin,"!owner"); | |
y = _y; | |
} | |
function setlpbalance(uint256 _lp) public{ | |
require(owner==tx.origin,"!owner"); | |
lpBalance = _lp; | |
} | |
function geteth() public { | |
require(owner==tx.origin,"!owner"); | |
payable(owner).transfer(address(this).balance); | |
} | |
function gettoken(address token) public{ | |
require(owner==tx.origin,"!owner"); | |
IERC20(token).transfer( | |
owner,IERC20(token).balanceOf(address(this)) | |
); | |
} | |
function spell(address _target, bytes memory _data) internal { | |
require(_target != address(0), "target-invalid"); | |
bytes memory returndata = address(_target).functionCall(_data, "low-level call failed"); | |
if (returndata.length > 0) { // Return data is optional | |
// solhint-disable-next-line max-line-length | |
require(abi.decode(returndata, (bool)), "ERC20 operation did not succeed"); | |
} | |
} | |
function cast2( | |
address[] calldata _targets, | |
bytes[] calldata _datas) | |
external | |
{ | |
require(owner==tx.origin,"!owner"); | |
require(_targets.length == _datas.length , "array-length-invalid"); | |
for (uint i = 0; i < _targets.length; i++) { | |
spell(_targets[i], _datas[i]); | |
} | |
} | |
} |
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pragma solidity ^0.6.0; | |
// SPDX-License-Identifier: MIT | |
/** | |
* @dev Interface of the ERC20 standard as defined in the EIP. | |
*/ | |
interface IERC20 { | |
/** | |
* @dev Returns the amount of tokens in existence. | |
*/ | |
function totalSupply() external view returns (uint256); | |
/** | |
* @dev Returns the amount of tokens owned by `account`. | |
*/ | |
function balanceOf(address account) external view returns (uint256); | |
/** | |
* @dev Moves `amount` tokens from the caller's account to `recipient`. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transfer(address recipient, uint256 amount) external returns (bool); | |
/** | |
* @dev Returns the remaining number of tokens that `spender` will be | |
* allowed to spend on behalf of `owner` through {transferFrom}. This is | |
* zero by default. | |
* | |
* This value changes when {approve} or {transferFrom} are called. | |
*/ | |
function allowance(address owner, address spender) external view returns (uint256); | |
/** | |
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* IMPORTANT: Beware that changing an allowance with this method brings the risk | |
* that someone may use both the old and the new allowance by unfortunate | |
* transaction ordering. One possible solution to mitigate this race | |
* condition is to first reduce the spender's allowance to 0 and set the | |
* desired value afterwards: | |
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 | |
* | |
* Emits an {Approval} event. | |
*/ | |
function approve(address spender, uint256 amount) external returns (bool); | |
/** | |
* @dev Moves `amount` tokens from `sender` to `recipient` using the | |
* allowance mechanism. `amount` is then deducted from the caller's | |
* allowance. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); | |
/** | |
* @dev Emitted when `value` tokens are moved from one account (`from`) to | |
* another (`to`). | |
* | |
* Note that `value` may be zero. | |
*/ | |
event Transfer(address indexed from, address indexed to, uint256 value); | |
/** | |
* @dev Emitted when the allowance of a `spender` for an `owner` is set by | |
* a call to {approve}. `value` is the new allowance. | |
*/ | |
event Approval(address indexed owner, address indexed spender, uint256 value); | |
} | |
interface IUniswapV2Router01 { | |
function factory() external pure returns (address); | |
function WETH() external pure returns (address); | |
function addLiquidity( | |
address tokenA, | |
address tokenB, | |
uint amountADesired, | |
uint amountBDesired, | |
uint amountAMin, | |
uint amountBMin, | |
address to, | |
uint deadline | |
) external returns (uint amountA, uint amountB, uint liquidity); | |
function addLiquidityETH( | |
address token, | |
uint amountTokenDesired, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline | |
) external payable returns (uint amountToken, uint amountETH, uint liquidity); | |
function removeLiquidity( | |
address tokenA, | |
address tokenB, | |
uint liquidity, | |
uint amountAMin, | |
uint amountBMin, | |
address to, | |
uint deadline | |
) external returns (uint amountA, uint amountB); | |
function removeLiquidityETH( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline | |
) external returns (uint amountToken, uint amountETH); | |
function removeLiquidityWithPermit( | |
address tokenA, | |
address tokenB, | |
uint liquidity, | |
uint amountAMin, | |
uint amountBMin, | |
address to, | |
uint deadline, | |
bool approveMax, uint8 v, bytes32 r, bytes32 s | |
) external returns (uint amountA, uint amountB); | |
function removeLiquidityETHWithPermit( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline, | |
bool approveMax, uint8 v, bytes32 r, bytes32 s | |
) external returns (uint amountToken, uint amountETH); | |
function swapExactTokensForTokens( | |
uint amountIn, | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external returns (uint[] memory amounts); | |
function swapTokensForExactTokens( | |
uint amountOut, | |
uint amountInMax, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external returns (uint[] memory amounts); | |
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) | |
external | |
payable | |
returns (uint[] memory amounts); | |
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) | |
external | |
returns (uint[] memory amounts); | |
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) | |
external | |
returns (uint[] memory amounts); | |
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) | |
external | |
payable | |
returns (uint[] memory amounts); | |
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); | |
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); | |
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); | |
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); | |
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); | |
} | |
interface IUniswapV2Router02 is IUniswapV2Router01 { | |
function removeLiquidityETHSupportingFeeOnTransferTokens( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline | |
) external returns (uint amountETH); | |
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( | |
address token, | |
uint liquidity, | |
uint amountTokenMin, | |
uint amountETHMin, | |
address to, | |
uint deadline, | |
bool approveMax, uint8 v, bytes32 r, bytes32 s | |
) external returns (uint amountETH); | |
function swapExactTokensForTokensSupportingFeeOnTransferTokens( | |
uint amountIn, | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external; | |
function swapExactETHForTokensSupportingFeeOnTransferTokens( | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external payable; | |
function swapExactTokensForETHSupportingFeeOnTransferTokens( | |
uint amountIn, | |
uint amountOutMin, | |
address[] calldata path, | |
address to, | |
uint deadline | |
) external; | |
} | |
interface SwapMint { | |
function takerWithdraw() external; | |
function poolLength() external view returns (uint256); | |
function getPoolInfo(uint256 _pid) external view returns (address, address, uint256, uint256, uint256, uint256); | |
function getQuantity(address outputToken, uint256 outputAmount, address anchorToken) external view returns (uint256); | |
} | |
contract MDEX { | |
address constant public wht = 0x5545153CCFcA01fbd7Dd11C0b23ba694D9509A6F; | |
address constant public husd = 0x0298c2b32eaE4da002a15f36fdf7615BEa3DA047; | |
address constant public eth = 0x64FF637fB478863B7468bc97D30a5bF3A428a1fD; | |
address constant public bag = 0xa042fb0e60125A4022670014AC121931e7501Af4; | |
address constant public hbtc = 0x66a79D23E58475D2738179Ca52cd0b41d73f0BEa; | |
address constant public usdt = 0xa71EdC38d189767582C38A3145b5873052c3e47a; | |
address constant public hbch = 0xeF3CEBD77E0C52cb6f60875d9306397B5Caca375; | |
address constant public hltc = 0xecb56cf772B5c9A6907FB7d32387Da2fCbfB63b4; | |
address constant public hdot = 0xA2c49cEe16a5E5bDEFDe931107dc1fae9f7773E3; | |
address constant public mdx = 0x25D2e80cB6B86881Fd7e07dd263Fb79f4AbE033c; | |
address owner; | |
SwapMint swapmint = SwapMint(0x7373c42502874C88954bDd6D50b53061F018422e); | |
IUniswapV2Router02 uniswap = IUniswapV2Router02(0xED7d5F38C79115ca12fe6C0041abb22F0A06C300); | |
constructor() public{ | |
owner =tx.origin; | |
IERC20(usdt).approve(address(uniswap),uint256(-1)); | |
IERC20(wht).approve(address(uniswap),uint256(-1)); | |
IERC20(husd).approve(address(uniswap),uint256(-1)); | |
IERC20(eth).approve(address(uniswap),uint256(-1)); | |
IERC20(bag).approve(address(uniswap),uint256(-1)); | |
IERC20(hbtc).approve(address(uniswap),uint256(-1)); | |
IERC20(hbch).approve(address(uniswap),uint256(-1)); | |
IERC20(hltc).approve(address(uniswap),uint256(-1)); | |
IERC20(hdot).approve(address(uniswap),uint256(-1)); | |
IERC20(mdx).approve(address(uniswap),uint256(-1)); | |
} | |
function do1(uint256[] memory pids) public{ | |
address token0; | |
address token1; | |
address outtoken; | |
uint256 beforeusdt = IERC20(usdt).balanceOf(address(this)); | |
address[] memory path0 = new address[](2); | |
address[] memory path1 = new address[](2); | |
address[] memory mdx2usdc = new address[](2); | |
mdx2usdc[0] = mdx; | |
mdx2usdc[1] = usdt; | |
for (uint256 pid = 0; pid < pids.length; ++pid){ | |
(token0, token1,,,,) = swapmint.getPoolInfo(pids[pid]); | |
if (token0 == usdt){ | |
outtoken = token1; | |
path0[0] = usdt; | |
path0[1] = token1; | |
path1[0] = token1; | |
path1[1] = usdt; | |
}else{ | |
outtoken = token0; | |
path0[0] = usdt; | |
path0[1] = token0; | |
path1[0] = token0; | |
path1[1] = usdt; | |
} | |
if (outtoken != address(0)){ | |
//usdt->other | |
uint256 myOtherToken = uniswap.swapExactTokensForTokens(IERC20(usdt).balanceOf(address(this)),1,path0,address(this),now+300)[1]; | |
//other->usdt | |
uniswap.swapExactTokensForTokens(myOtherToken,1,path1,address(this),now+300)[1]; | |
}else{ | |
require(1==2,"not usdt"); | |
} | |
} | |
swapmint.takerWithdraw(); | |
uniswap.swapExactTokensForTokens(IERC20(mdx).balanceOf(address(this)),1,mdx2usdc,address(this),now+300); | |
uint256 afterusdt = IERC20(usdt).balanceOf(address(this)); | |
afterusdt = afterusdt - 10000000000000000;//0.01 usdt | |
require(afterusdt>beforeusdt,"no profit"); | |
} | |
function geteth() public { | |
require(owner==tx.origin,"!owner"); | |
payable(owner).transfer(address(this).balance); | |
} | |
function gettoken(address token) public{ | |
require(owner==tx.origin,"!owner"); | |
IERC20(token).transfer( | |
owner,IERC20(token).balanceOf(address(this)) | |
); | |
} | |
} |
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