Eliminate dependence on most uniswap functions

lib_sol8/v3-periphery/contracts/interfaces/IPeripheryPayments.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+pragma solidity >=0.7.5;
+
+/// @title Periphery Payments
+/// @notice Functions to ease deposits and withdrawals of ETH
+interface IPeripheryPayments {
+    /// @notice Unwraps the contract's WETH9 balance and sends it to recipient as ETH.
+    /// @dev The amountMinimum parameter prevents malicious contracts from stealing WETH9 from users.
+    /// @param amountMinimum The minimum amount of WETH9 to unwrap
+    /// @param recipient The address receiving ETH
+    function unwrapWETH9(uint256 amountMinimum, address recipient) external payable;
+
+    /// @notice Refunds any ETH balance held by this contract to the `msg.sender`
+    /// @dev Useful for bundling with mint or increase liquidity that uses ether, or exact output swaps
+    /// that use ether for the input amount
+    function refundETH() external payable;
+
+    /// @notice Transfers the full amount of a token held by this contract to recipient
+    /// @dev The amountMinimum parameter prevents malicious contracts from stealing the token from users
+    /// @param token The contract address of the token which will be transferred to `recipient`
+    /// @param amountMinimum The minimum amount of token required for a transfer
+    /// @param recipient The destination address of the token
+    function sweepToken(
+        address token,
+        uint256 amountMinimum,
+        address recipient
+    ) external payable;
+}