50 lines
1.9 KiB
Solidity
50 lines
1.9 KiB
Solidity
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// SPDX-License-Identifier: CC0-1.0
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pragma solidity ^0.8.0;
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/**
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* @title IERC5501Terminable
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* @dev See https://eips.ethereum.org/EIPS/eip-5501
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* This extension for ERC5501 adds the option to terminate borrowing if both parties agree.
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* @notice the EIP-165 identifier for this interface is 0x6a26417e.
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*/
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interface IERC5501Terminable /* is IERC5501 */ {
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/**
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* @dev Emitted when one party from borrowing contract approves termination of agreement.
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* @param _isLender true for lender, false for borrower
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*/
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event AgreeToTerminateBorrow(uint256 indexed _tokenId, address indexed _party, bool _isLender);
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/**
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* @dev Emitted when agreements to terminate borrow are reset.
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*/
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event ResetTerminationAgreements(uint256 indexed _tokenId);
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/**
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* @dev Emitted when borrow of token ID is terminated.
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*/
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event TerminateBorrow(uint256 indexed _tokenId, address indexed _lender, address indexed _borrower, address _caller);
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/**
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* @notice Agree to terminate a borrowing.
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* @dev Lender must be ownerOf token ID. Borrower must be userOf token ID.
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* If lender and borrower are the same, set termination agreement for both at once.
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* @param _tokenId uint256 ID of the token to set termination info for
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*/
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function setBorrowTermination(uint256 _tokenId) external;
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/**
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* @notice Get if it is possible to terminate a borrow agreement.
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* @param _tokenId uint256 ID of the token to get termination info for
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* @return bool, bool first indicates lender agrees, second indicates borrower agrees
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*/
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function getBorrowTermination(uint256 _tokenId) external view returns (bool, bool);
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/**
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* @notice Terminate a borrow if both parties agreed.
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* @dev Both parties must have agreed, otherwise revert.
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* @param _tokenId uint256 ID of the token to terminate borrow of
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*/
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function terminateBorrow(uint256 _tokenId) external;
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}
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