From ec147293c8c2a84352886023faf3f393f01fdef2 Mon Sep 17 00:00:00 2001
From: Sara Reynolds <snreynolds2506@gmail.com>
Date: Thu, 29 Aug 2024 17:28:05 -0400
Subject: [PATCH] remove pool key checker lib

---
 src/PositionManager.sol          |  2 --
 src/libraries/PoolKeyChecker.sol | 12 ------------
 2 files changed, 14 deletions(-)
 delete mode 100644 src/libraries/PoolKeyChecker.sol

diff --git a/src/PositionManager.sol b/src/PositionManager.sol
index 66f17cb1f..279d000fb 100644
--- a/src/PositionManager.sol
+++ b/src/PositionManager.sol
@@ -24,7 +24,6 @@ import {Notifier} from "./base/Notifier.sol";
 import {CalldataDecoder} from "./libraries/CalldataDecoder.sol";
 import {Permit2Forwarder} from "./base/Permit2Forwarder.sol";
 import {SlippageCheckLibrary} from "./libraries/SlippageCheck.sol";
-import {PoolKeyChecker} from "./libraries/PoolKeyChecker.sol";
 import {PositionInfo, PositionInfoLibrary} from "./libraries/PositionInfoLibrary.sol";
 
 //                                           444444444
@@ -111,7 +110,6 @@ contract PositionManager is
     using SafeCast for int256;
     using CalldataDecoder for bytes;
     using SlippageCheckLibrary for BalanceDelta;
-    using PoolKeyChecker for PoolKey;
     using PositionInfoLibrary for PositionInfo;
 
     /// @inheritdoc IPositionManager
diff --git a/src/libraries/PoolKeyChecker.sol b/src/libraries/PoolKeyChecker.sol
deleted file mode 100644
index 949230bf3..000000000
--- a/src/libraries/PoolKeyChecker.sol
+++ /dev/null
@@ -1,12 +0,0 @@
-// SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.24;
-
-import {PoolKey} from "@uniswap/v4-core/src/types/PoolKey.sol";
-
-library PoolKeyChecker {
-    // On UniswapV4, the minimum tick spacing is 1.
-    // This means that if the tick spacing is 0, the pool key has not been set.
-    function isEmpty(PoolKey memory poolKey) internal pure returns (bool) {
-        return poolKey.tickSpacing == 0;
-    }
-}