forked from DecentralizedClimateFoundation/DCIPs
24 lines
1.1 KiB
Solidity
24 lines
1.1 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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import "./IERC165.sol";
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interface IERC5289Library is IERC165 {
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/// @notice Emitted when signDocument is called
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event DocumentSigned(address indexed signer, uint16 indexed documentId);
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/// @notice An immutable link to the legal document (RECOMMENDED to be hosted on IPFS). This MUST use a common file format, such as PDF, HTML, TeX, or Markdown.
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function legalDocument(uint16 documentId) external view returns (string memory);
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/// @notice Returns whether or not the given user signed the document.
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function documentSigned(address user, uint16 documentId) external view returns (bool signed);
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/// @notice Returns when the the given user signed the document.
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/// @dev If the user has not signed the document, the timestamp may be anything.
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function documentSignedAt(address user, uint16 documentId) external view returns (uint64 timestamp);
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/// @notice Sign a document
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/// @dev This MUST be validated by the smart contract. This MUST emit DocumentSigned or throw.
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function signDocument(address signer, uint16 documentId) external;
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}
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