52 lines
1.5 KiB
Solidity
52 lines
1.5 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 "./ERC6150.sol";
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import "./interfaces/IERC6150AccessControl.sol";
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abstract contract ERC6150AccessControl is ERC6150, IERC6150AccessControl {
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mapping(address => mapping(uint256 => bool)) private _isAdminOf;
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function isAdminOf(
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uint256 tokenId,
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address account
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) public view virtual override returns (bool) {
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return _isAdminOf[account][tokenId];
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}
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function canMintChildren(
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uint256 parentId,
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address account
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) public view virtual override returns (bool) {
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return isAdminOf(parentId, account);
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}
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function canBurnTokenByAccount(
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uint256 tokenId,
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address account
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) public view virtual override returns (bool) {
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require(isLeaf(tokenId), "not a leaf token");
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return isAdminOf(tokenId, account);
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}
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function _afterMintWithParent(
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address to,
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uint256 parentId,
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uint256 tokenId
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) internal virtual override {
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_isAdminOf[to][tokenId] = true;
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}
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function _addAdmin(address admin, uint256 tokenId) internal virtual {
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require(admin != address(0), "zero address");
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require(_exists(tokenId), "tokenId doesn't exist");
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_isAdminOf[admin][tokenId] = true;
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}
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function _removeAdmin(address admin, uint256 tokenId) internal virtual {
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require(_isAdminOf[admin][tokenId] == true, "not an admin");
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require(admin != ownerOf(tokenId), "cannot remove owner");
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_isAdminOf[admin][tokenId] = false;
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}
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}
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