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| 1 | +// SPDX-License-Identifier: Apache-2.0 |
| 2 | +pragma solidity ^0.8.20; |
| 3 | + |
| 4 | +import {Module} from "../../../Module.sol"; |
| 5 | +import {Role} from "../../../Role.sol"; |
| 6 | + |
| 7 | +import {BeforeApproveCallbackERC721} from "../../../callback/BeforeApproveCallbackERC721.sol"; |
| 8 | +import {BeforeApproveForAllCallback} from "../../../callback/BeforeApproveForAllCallback.sol"; |
| 9 | +import {BeforeTransferCallbackERC721} from "../../../callback/BeforeTransferCallbackERC721.sol"; |
| 10 | +import {OperatorAllowlistEnforced} from "@imtbl/contracts/allowlist/OperatorAllowlistEnforced.sol"; |
| 11 | + |
| 12 | +library ImmutableAllowlistStorage { |
| 13 | + |
| 14 | + /// @custom:storage-location erc7201:token.immutableallowlist |
| 15 | + bytes32 public constant IMMUTABLE_ALLOWLIST_STORAGE_POSITION = |
| 16 | + keccak256(abi.encode(uint256(keccak256("token.immutableAllowlist.ERC721")) - 1)) & ~bytes32(uint256(0xff)); |
| 17 | + |
| 18 | + struct Data { |
| 19 | + address operatorAllowlistRegistry; |
| 20 | + } |
| 21 | + |
| 22 | + function data() internal pure returns (Data storage data_) { |
| 23 | + bytes32 position = IMMUTABLE_ALLOWLIST_STORAGE_POSITION; |
| 24 | + assembly { |
| 25 | + data_.slot := position |
| 26 | + } |
| 27 | + } |
| 28 | + |
| 29 | +} |
| 30 | + |
| 31 | +contract ImmutableAllowlistERC721 is |
| 32 | + Module, |
| 33 | + BeforeApproveCallbackERC721, |
| 34 | + BeforeApproveForAllCallback, |
| 35 | + BeforeTransferCallbackERC721, |
| 36 | + OperatorAllowlistEnforced |
| 37 | +{ |
| 38 | + |
| 39 | + /*////////////////////////////////////////////////////////////// |
| 40 | + ERRORS |
| 41 | + //////////////////////////////////////////////////////////////*/ |
| 42 | + |
| 43 | + /// @notice Emitted when an unauthorized approval is attempted. |
| 44 | + error OperatorAllowlistUnauthorizedApproval(address operator); |
| 45 | + |
| 46 | + /// @notice Emitted when an unauthorized transfer is attempted. |
| 47 | + error OperatorAllowlistUnauthorizedTransfer(address from, address to, address operator); |
| 48 | + |
| 49 | + /// @notice Emitted when the operator allowlist is not set. |
| 50 | + error OperatorAllowlistNotSet(); |
| 51 | + |
| 52 | + /*////////////////////////////////////////////////////////////// |
| 53 | + MODULE CONFIG |
| 54 | + //////////////////////////////////////////////////////////////*/ |
| 55 | + |
| 56 | + /// @notice Returns all implemented callback and module functions. |
| 57 | + function getModuleConfig() external pure override returns (ModuleConfig memory config) { |
| 58 | + config.callbackFunctions = new CallbackFunction[](3); |
| 59 | + config.fallbackFunctions = new FallbackFunction[](2); |
| 60 | + |
| 61 | + config.callbackFunctions[0] = CallbackFunction(this.beforeApproveERC721.selector); |
| 62 | + config.callbackFunctions[1] = CallbackFunction(this.beforeApproveForAll.selector); |
| 63 | + config.callbackFunctions[2] = CallbackFunction(this.beforeTransferERC721.selector); |
| 64 | + |
| 65 | + config.fallbackFunctions[0] = |
| 66 | + FallbackFunction({selector: this.setOperatorAllowlistRegistry.selector, permissionBits: Role._MANAGER_ROLE}); |
| 67 | + config.fallbackFunctions[1] = |
| 68 | + FallbackFunction({selector: this.getOperatorAllowlistRegistry.selector, permissionBits: 0}); |
| 69 | + |
| 70 | + config.requiredInterfaces = new bytes4[](1); |
| 71 | + config.requiredInterfaces[0] = 0x80ac58cd; // ERC721 |
| 72 | + |
| 73 | + config.registerInstallationCallback = true; |
| 74 | + } |
| 75 | + |
| 76 | + /*////////////////////////////////////////////////////////////// |
| 77 | + MODIFIERS |
| 78 | + //////////////////////////////////////////////////////////////*/ |
| 79 | + |
| 80 | + modifier isOperatorAllowlistSet() { |
| 81 | + if (_immutableAllowlistStorage().operatorAllowlistRegistry == address(0)) { |
| 82 | + revert OperatorAllowlistNotSet(); |
| 83 | + } |
| 84 | + _; |
| 85 | + } |
| 86 | + |
| 87 | + /*////////////////////////////////////////////////////////////// |
| 88 | + CALLBACK FUNCTIONS |
| 89 | + //////////////////////////////////////////////////////////////*/ |
| 90 | + |
| 91 | + /// @notice Callback function for ERC721.approve |
| 92 | + function beforeApproveERC721(address _from, address _to, uint256 _tokenId, bool _approve) |
| 93 | + external |
| 94 | + override |
| 95 | + isOperatorAllowlistSet |
| 96 | + validateApproval(_to) |
| 97 | + returns (bytes memory) |
| 98 | + {} |
| 99 | + |
| 100 | + /// @notice Callback function for ERC721.setApprovalForAll |
| 101 | + function beforeApproveForAll(address _from, address _to, bool _approved) |
| 102 | + external |
| 103 | + override |
| 104 | + isOperatorAllowlistSet |
| 105 | + validateApproval(_to) |
| 106 | + returns (bytes memory) |
| 107 | + {} |
| 108 | + |
| 109 | + /// @notice Callback function for ERC721.transferFrom/safeTransferFrom |
| 110 | + function beforeTransferERC721(address _from, address _to, uint256 _tokenId) |
| 111 | + external |
| 112 | + override |
| 113 | + isOperatorAllowlistSet |
| 114 | + validateTransfer(_from, _to) |
| 115 | + returns (bytes memory) |
| 116 | + {} |
| 117 | + |
| 118 | + /// @dev Called by a Core into an Module during the installation of the Module. |
| 119 | + function onInstall(bytes calldata data) external { |
| 120 | + address registry = abi.decode(data, (address)); |
| 121 | + _immutableAllowlistStorage().operatorAllowlistRegistry = registry; |
| 122 | + } |
| 123 | + |
| 124 | + /// @dev Called by a Core into an Module during the uninstallation of the Module. |
| 125 | + function onUninstall(bytes calldata data) external {} |
| 126 | + |
| 127 | + /*////////////////////////////////////////////////////////////// |
| 128 | + Encode install / uninstall data |
| 129 | + //////////////////////////////////////////////////////////////*/ |
| 130 | + |
| 131 | + /// @dev Returns bytes encoded install params, to be sent to `onInstall` function |
| 132 | + function encodeBytesOnInstall(address operatorAllowlistRegistry) external pure returns (bytes memory) { |
| 133 | + return abi.encode(operatorAllowlistRegistry); |
| 134 | + } |
| 135 | + |
| 136 | + /// @dev Returns bytes encoded uninstall params, to be sent to `onUninstall` function |
| 137 | + function encodeBytesOnUninstall() external pure returns (bytes memory) { |
| 138 | + return ""; |
| 139 | + } |
| 140 | + |
| 141 | + /*////////////////////////////////////////////////////////////// |
| 142 | + FALLBACK FUNCTIONS |
| 143 | + //////////////////////////////////////////////////////////////*/ |
| 144 | + |
| 145 | + /// @notice Set the operator allowlist registry address |
| 146 | + function setOperatorAllowlistRegistry(address newRegistry) external { |
| 147 | + _immutableAllowlistStorage().operatorAllowlistRegistry = newRegistry; |
| 148 | + } |
| 149 | + |
| 150 | + /// @notice Get the current operator allowlist registry address |
| 151 | + function getOperatorAllowlistRegistry() external view returns (address) { |
| 152 | + return _immutableAllowlistStorage().operatorAllowlistRegistry; |
| 153 | + } |
| 154 | + |
| 155 | + /*////////////////////////////////////////////////////////////// |
| 156 | + INTERNAL FUNCTIONS |
| 157 | + //////////////////////////////////////////////////////////////*/ |
| 158 | + |
| 159 | + function _immutableAllowlistStorage() internal pure returns (ImmutableAllowlistStorage.Data storage) { |
| 160 | + return ImmutableAllowlistStorage.data(); |
| 161 | + } |
| 162 | + |
| 163 | +} |
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