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openzeppelin-contracts/contracts/interfaces/IERC3156FlashBorrower.sol
Hadrien Croubois 8c49ad74ea 4.7.0
2022-06-29 11:00:17 +02:00

30 lines
929 B
Solidity

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (interfaces/IERC3156FlashBorrower.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC3156 FlashBorrower, as defined in
* https://eips.ethereum.org/EIPS/eip-3156[ERC-3156].
*
* _Available since v4.1._
*/
interface IERC3156FlashBorrower {
/**
* @dev Receive a flash loan.
* @param initiator The initiator of the loan.
* @param token The loan currency.
* @param amount The amount of tokens lent.
* @param fee The additional amount of tokens to repay.
* @param data Arbitrary data structure, intended to contain user-defined parameters.
* @return The keccak256 hash of "IERC3156FlashBorrower.onFlashLoan"
*/
function onFlashLoan(
address initiator,
address token,
uint256 amount,
uint256 fee,
bytes calldata data
) external returns (bytes32);
}