From 6a66d73c5b6d3c6984d2e644c9ca9d52fb9d0eda Mon Sep 17 00:00:00 2001
From: Sara Reynolds <snreynolds2506@gmail.com>
Date: Thu, 24 Oct 2024 14:00:25 -0400
Subject: [PATCH] add calldata decoder fuzz tests

---
 test/libraries/CalldataDecoder.t.sol | 60 ++++++++++++++++++++++++++++
 test/mocks/MockCalldataDecoder.sol   | 56 ++++++++++++++++++++++++++
 2 files changed, 116 insertions(+)

diff --git a/test/libraries/CalldataDecoder.t.sol b/test/libraries/CalldataDecoder.t.sol
index c41122eb..cbc1d4c4 100644
--- a/test/libraries/CalldataDecoder.t.sol
+++ b/test/libraries/CalldataDecoder.t.sol
@@ -83,6 +83,40 @@ contract CalldataDecoderTest is Test {
         assertEq(mintParams.tickUpper, _config.tickUpper);
     }
 
+    function test_fuzz_decodeMintFromAmountsParams(
+        PositionConfig calldata _config,
+        uint128 _amount0,
+        uint128 _amount1,
+        uint128 _amount0Max,
+        uint128 _amount1Max,
+        address _owner,
+        bytes calldata _hookData
+    ) public view {
+        bytes memory params = abi.encode(
+            _config.poolKey,
+            _config.tickLower,
+            _config.tickUpper,
+            _amount0,
+            _amount1,
+            _amount0Max,
+            _amount1Max,
+            _owner,
+            _hookData
+        );
+
+        (MockCalldataDecoder.MintFromAmountsParams memory mintParams) = decoder.decodeMintFromAmountsParams(params);
+
+        _assertEq(mintParams.poolKey, _config.poolKey);
+        assertEq(mintParams.tickLower, _config.tickLower);
+        assertEq(mintParams.tickUpper, _config.tickUpper);
+        assertEq(mintParams.amount0, _amount0);
+        assertEq(mintParams.amount1, _amount1);
+        assertEq(mintParams.amount0Max, _amount0Max);
+        assertEq(mintParams.amount1Max, _amount1Max);
+        assertEq(mintParams.owner, _owner);
+        assertEq(mintParams.hookData, _hookData);
+    }
+
     function test_fuzz_decodeSwapExactInParams(IV4Router.ExactInputParams calldata _swapParams) public view {
         bytes memory params = abi.encode(_swapParams);
         IV4Router.ExactInputParams memory swapParams = decoder.decodeSwapExactInParams(params);
@@ -232,6 +266,32 @@ contract CalldataDecoderTest is Test {
         assertEq(amount, _amount);
     }
 
+    function test_fuzz_decodeIncreaseLiquidityFromAmountsParams(
+        uint256 _tokenId,
+        uint128 _amount0,
+        uint128 _amount1,
+        uint128 _amount0Max,
+        uint128 _amount1Max,
+        bytes calldata _hookData
+    ) public view {
+        bytes memory params = abi.encode(_tokenId, _amount0, _amount1, _amount0Max, _amount1Max, _hookData);
+
+        (
+            uint256 tokenId,
+            uint128 amount0,
+            uint128 amount1,
+            uint128 amount0Max,
+            uint128 amount1Max,
+            bytes memory hookData
+        ) = decoder.decodeIncreaseLiquidityFromAmountsParams(params);
+        assertEq(_tokenId, tokenId);
+        assertEq(_amount0, amount0);
+        assertEq(_amount1, amount1);
+        assertEq(_amount0Max, amount0Max);
+        assertEq(_amount1Max, amount1Max);
+        assertEq(_hookData, hookData);
+    }
+
     function _assertEq(PathKey[] memory path1, PathKey[] memory path2) internal pure {
         assertEq(path1.length, path2.length);
         for (uint256 i = 0; i < path1.length; i++) {
diff --git a/test/mocks/MockCalldataDecoder.sol b/test/mocks/MockCalldataDecoder.sol
index e25d8ec7..39475b7e 100644
--- a/test/mocks/MockCalldataDecoder.sol
+++ b/test/mocks/MockCalldataDecoder.sol
@@ -22,6 +22,18 @@ contract MockCalldataDecoder {
         bytes hookData;
     }
 
+    struct MintFromAmountsParams {
+        PoolKey poolKey;
+        int24 tickLower;
+        int24 tickUpper;
+        uint128 amount0;
+        uint128 amount1;
+        uint128 amount0Max;
+        uint128 amount1Max;
+        address owner;
+        bytes hookData;
+    }
+
     function decodeActionsRouterParams(bytes calldata params)
         external
         pure
@@ -136,4 +148,48 @@ contract MockCalldataDecoder {
     {
         return params.decodeCurrencyAddressAndUint256();
     }
+
+    function decodeIncreaseLiquidityFromAmountsParams(bytes calldata params)
+        external
+        pure
+        returns (
+            uint256 tokenId,
+            uint128 amount0,
+            uint128 amount1,
+            uint128 amount0Max,
+            uint128 amount1Max,
+            bytes calldata hookData
+        )
+    {
+        return params.decodeIncreaseLiquidityFromAmountsParams();
+    }
+
+    function decodeMintFromAmountsParams(bytes calldata params)
+        external
+        pure
+        returns (MintFromAmountsParams memory mintParams)
+    {
+        (
+            PoolKey memory poolKey,
+            int24 tickLower,
+            int24 tickUpper,
+            uint128 amount0,
+            uint128 amount1,
+            uint128 amount0Max,
+            uint128 amount1Max,
+            address owner,
+            bytes memory hookData
+        ) = params.decodeMintFromAmountsParams();
+        return MintFromAmountsParams({
+            poolKey: poolKey,
+            tickLower: tickLower,
+            tickUpper: tickUpper,
+            amount0: amount0,
+            amount1: amount1,
+            amount0Max: amount0Max,
+            amount1Max: amount1Max,
+            owner: owner,
+            hookData: hookData
+        });
+    }
 }