solidity
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import '@aave/protocol-v2/contracts/interfaces/ILendingPool.sol';
contract FlashLoan {
ILendingPool lendingPool;
address daiAddress = 0x...; // Replace with USDT contract address
address owner;
constructor(address _lendingPool) {
lendingPool = ILendingPool(_lendingPool);
owner = msg.sender;
}
function executeFlashLoan(uint amount) external {
// Initiating the flash loan
lendingPool.flashLoan(address(this), daiAddress, amount, '');
}
function executeOperation(
address _reserve,
uint256 _amount,
uint256 _fee,
bytes calldata _params
) external {
// Implement your trading strategy here
repayLoan(_reserve, _amount, _fee);
}
function repayLoan(address _reserve, uint256 _amount, uint256 _fee) internal {
// Repay the loan
uint totalRepayment = _amount + _fee;
IERC20(_reserve).approve(address(lendingPool), totalRepayment);
}
}