48 lines
1.2 KiB
Solidity
48 lines
1.2 KiB
Solidity
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/// SPDX-License-Identifier: CC0.0 OR Apache-2.0
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// Author: Zainan Victor Zhou <zzn-ercref@zzn.im>
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// See a full runnable hardhat project in https://github.com/ercref/ercref-contracts/tree/main/ERCs/eip-5453
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pragma solidity ^0.8.9;
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import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
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import "./AERC5453.sol";
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contract EndorsableERC721 is ERC721, AERC5453Endorsible {
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mapping(address => bool) private owners;
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constructor()
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ERC721("ERC721ForTesting", "ERC721ForTesting")
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AERC5453Endorsible("EndorsableERC721", "v1")
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{
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owners[msg.sender] = true;
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}
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function addOwner(address _owner) external {
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require(owners[msg.sender], "EndorsableERC721: not owner");
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owners[_owner] = true;
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}
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function mint(
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address _to,
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uint256 _tokenId,
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bytes calldata _extraData
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)
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external
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onlyEndorsed(
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_computeFunctionParamHash(
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"function mint(address _to,uint256 _tokenId)",
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abi.encode(_to, _tokenId)
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),
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_extraData
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)
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{
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_mint(_to, _tokenId);
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}
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function _isEligibleEndorser(
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address _endorser
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) internal view override returns (bool) {
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return owners[_endorser];
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}
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}
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