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) (token/ERC20/extensions/IERC20Metadata.sol)
+
+pragma solidity >=0.6.2;
+
+import {IERC20} from "../IERC20.sol";
+
+/**
+ * @dev Interface for the optional metadata functions from the ERC-20 standard.
+ */
+interface IERC20Metadata is IERC20 {
+    /**
+     * @dev Returns the name of the token.
+     */
+    function name() external view returns (string memory);
+
+    /**
+     * @dev Returns the symbol of the token.
+     */
+    function symbol() external view returns (string memory);
+
+    /**
+     * @dev Returns the decimals places of the token.
+     */
+    function decimals() external view returns (uint8);
+}
+