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