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);
+}

lib_uniswap/v3-periphery/contracts/interfaces/external/IERC20PermitAllowed.sol

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+// SPDX-License-Identifier: GPL-2.0-or-later
+pragma solidity >=0.5.0;
+
+/// @title Interface for permit
+/// @notice Interface used by DAI/CHAI for permit
+interface IERC20PermitAllowed {
+    /// @notice Approve the spender to spend some tokens via the holder signature
+    /// @dev This is the permit interface used by DAI and CHAI
+    /// @param holder The address of the token holder, the token owner
+    /// @param spender The address of the token spender
+    /// @param nonce The holder's nonce, increases at each call to permit
+    /// @param expiry The timestamp at which the permit is no longer valid
+    /// @param allowed Boolean that sets approval amount, true for type(uint256).max and false for 0
+    /// @param v Must produce valid secp256k1 signature from the holder along with `r` and `s`
+    /// @param r Must produce valid secp256k1 signature from the holder along with `v` and `s`
+    /// @param s Must produce valid secp256k1 signature from the holder along with `r` and `v`
+    function permit(
+        address holder,
+        address spender,
+        uint256 nonce,
+        uint256 expiry,
+        bool allowed,
+        uint8 v,
+        bytes32 r,
+        bytes32 s
+    ) external;
+}

lib_uniswap/v3-periphery/contracts/interfaces/external/IWETH9.sol

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+// SPDX-License-Identifier: GPL-2.0-or-later
+// pragma solidity =0.7.6;
+pragma solidity >=0.8.0;
+
+import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
+
+/// @title Interface for WETH9
+interface IWETH9 is IERC20 {
+    /// @notice Deposit ether to get wrapped ether
+    function deposit() external payable;
+
+    /// @notice Withdraw wrapped ether to get ether
+    function withdraw(uint256) external;
+}