chore: Create a UniswapV4Utils with encoding functions

--- don't change below this line --- ENG-4223 Took 4 hours 33 minutes Took 2 minutes Took 28 minutes
2025-02-12 18:00:18 +00:00
parent 28bfe2e32a
commit 29eb50d0a1
2 changed files with 51 additions and 43 deletions
--- a/foundry/test/executors/UniswapV4Utils.sol
+++ b/foundry/test/executors/UniswapV4Utils.sol
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.26;
+
+import "@src/executors/UniswapV4Executor.sol";
+
+library UniswapV4Utils {
+    function encodeExactInputSingle(
+        address tokenIn,
+        address tokenOut,
+        uint24 fee,
+        address receiver,
+        bool zeroForOne,
+        uint24 tickSpacing,
+        uint128 amountIn
+    ) public pure returns (bytes memory) {
+        PoolKey memory key = PoolKey({
+            currency0: Currency.wrap(zeroForOne ? tokenIn : tokenOut),
+            currency1: Currency.wrap(zeroForOne ? tokenOut : tokenIn),
+            fee: fee,
+            tickSpacing: int24(tickSpacing),
+            hooks: IHooks(address(0))
+        });
+
+        bytes memory actions = abi.encodePacked(
+            uint8(Actions.SWAP_EXACT_IN_SINGLE),
+            uint8(Actions.SETTLE_ALL),
+            uint8(Actions.TAKE)
+        );
+
+        bytes[] memory params = new bytes[](3);
+
+        params[0] = abi.encode(
+            IV4Router.ExactInputSingleParams({
+                poolKey: key,
+                zeroForOne: zeroForOne,
+                amountIn: amountIn,
+                amountOutMinimum: 0,
+                hookData: bytes("")
+            })
+        );
+
+        params[1] = abi.encode(key.currency0, amountIn);
+        params[2] = abi.encode(key.currency1, receiver, 0);
+
+        return abi.encode(actions, params);
+    }
+}