lib_sol8->lib_uniswap

lib_uniswap/v3-periphery/contracts/interfaces/external/IERC1271.sol

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+pragma solidity >=0.5.0;
+
+/// @title Interface for verifying contract-based account signatures
+/// @notice Interface that verifies provided signature for the data
+/// @dev Interface defined by EIP-1271
+interface IERC1271 {
+    /// @notice Returns whether the provided signature is valid for the provided data
+    /// @dev MUST return the bytes4 magic value 0x1626ba7e when function passes.
+    /// MUST NOT modify state (using STATICCALL for solc < 0.5, view modifier for solc > 0.5).
+    /// MUST allow external calls.
+    /// @param hash Hash of the data to be signed
+    /// @param signature Signature byte array associated with _data
+    /// @return magicValue The bytes4 magic value 0x1626ba7e
+    function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
+}