feat: initial commit for wtf-contract v2

2026-08-30 23:16:04 +08:00
commit f2769993b5
74 changed files with 17341 additions and 0 deletions
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+// SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/ERC165.sol)
+
+pragma solidity ^0.8.20;
+
+import {IERC165} from "./IERC165.sol";
+
+/**
+ * @dev Implementation of the {IERC165} interface.
+ *
+ * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check
+ * for the additional interface id that will be supported. For example:
+ *
+ * ```solidity
+ * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
+ *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
+ * }
+ * ```
+ */
+abstract contract ERC165 is IERC165 {
+    /// @inheritdoc IERC165
+    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
+        return interfaceId == type(IERC165).interfaceId;
+    }
+}
+
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+// SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)
+
+pragma solidity >=0.4.16;
+
+/**
+ * @dev Interface of the ERC-165 standard, as defined in the
+ * https://eips.ethereum.org/EIPS/eip-165[ERC].
+ *
+ * Implementers can declare support of contract interfaces, which can then be
+ * queried by others ({ERC165Checker}).
+ *
+ * For an implementation, see {ERC165}.
+ */
+interface IERC165 {
+    /**
+     * @dev Returns true if this contract implements the interface defined by
+     * `interfaceId`. See the corresponding
+     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
+     * to learn more about how these ids are created.
+     *
+     * This function call must use less than 30 000 gas.
+     */
+    function supportsInterface(bytes4 interfaceId) external view returns (bool);
+}
+