forked from DecentralizedClimateFoundation/DCIPs
50 lines
1.4 KiB
Solidity
50 lines
1.4 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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interface IERC5007Composable /* is IERC5007 */ {
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/**
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* @dev Returns the ancestor token id of the NFT.
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*
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* Requirements:
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*
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* - `tokenId` must exist.
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*/
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function rootTokenId(uint256 tokenId) external view returns (uint256);
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/**
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* @dev Mint a new token from an old token.
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* The rootTokenId of the new token is the same as the rootTokenId of the old token
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*
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* Requirements:
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*
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* - `oldTokenId` must exist.
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* - `newTokenId` must not exist.
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* - `newTokenOwner` cannot be the zero address.
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* - `newTokenStartTime` require(oldTokenStartTime < newTokenStartTime && newTokenStartTime <= oldTokenEndTime)
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*/
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function split(
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uint256 oldTokenId,
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uint256 newTokenId,
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address newTokenOwner,
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int64 newTokenStartTime
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) external;
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/**
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* @dev Merge the first token and second token into the new token.
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*
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* Requirements:
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*
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* - `firstTokenId` must exist.
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* - `secondTokenId` must exist. require((firstToken.endTime + 1) == secondToken.startTime)
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* - `newTokenOwner` cannot be the zero address.
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* - `newTokenId` must not exist.
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*/
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function merge(
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uint256 firstTokenId,
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uint256 secondTokenId,
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address newTokenOwner,
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uint256 newTokenId
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) external;
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}
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