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MLC-FlashloanDemo Example
pragma solidity ^0.5.0;
import "./base/FlashLoanReceiverBase.sol";
import "./interfaces/ILendingPoolAddressesProvider.sol";
import "./interfaces/ILendingPool.sol";
contract Flashloan is FlashLoanReceiverBase {
address public receiver = address(this);
address public constant BNB_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
function flashloanBnb(uint256 _amount) external {
bytes memory data = "";
ILendingPool lendingPool = ILendingPool(
addressesProvider.getLendingPool()
);
// invoke a flashloan and receive a loan on this contract address
lendingPool.flashLoan(receiver, BNB_ADDRESS, _amount, data);
}
function executeOperation(
address _reserve,
uint256 _amount,
uint256 _fee,
bytes calldata _params
) external {
require(
_amount <= getBalanceInternal(address(this), _reserve),
"Invalid balance, was the flashLoan successful?"
);
//
// Your logic goes here.
// !! Ensure that *this contract* has enough of `_reserve` funds to payback the `_fee` !!
//
// IDefi app = IDefi(defi);
// Todo: Deposit into defi smart contract
// app.depositBNB.value(_amount)(_amount);
// Todo: Withdraw from defi smart contract
// app.withdraw(_amount);
uint256 totalDebt = _amount.add(_fee);
transferFundsBackToPoolInternal(_reserve, totalDebt);
}
}
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