Eliminate dependence on most uniswap functions

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

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+pragma solidity >=0.7.5;
+
+import './IPeripheryPayments.sol';
+
+/// @title Periphery Payments
+/// @notice Functions to ease deposits and withdrawals of ETH
+interface IPeripheryPaymentsWithFee is IPeripheryPayments {
+    /// @notice Unwraps the contract's WETH9 balance and sends it to recipient as ETH, with a percentage between
+    /// 0 (exclusive), and 1 (inclusive) going to feeRecipient
+    /// @dev The amountMinimum parameter prevents malicious contracts from stealing WETH9 from users.
+    function unwrapWETH9WithFee(
+        uint256 amountMinimum,
+        address recipient,
+        uint256 feeBips,
+        address feeRecipient
+    ) external payable;
+
+    /// @notice Transfers the full amount of a token held by this contract to recipient, with a percentage between
+    /// 0 (exclusive) and 1 (inclusive) going to feeRecipient
+    /// @dev The amountMinimum parameter prevents malicious contracts from stealing the token from users
+    function sweepTokenWithFee(
+        address token,
+        uint256 amountMinimum,
+        address recipient,
+        uint256 feeBips,
+        address feeRecipient
+    ) external payable;
+}