fix: Make all tests pass!

Delete TokenTransfer.sol Make slither happy Bugfixes: - Executors - Ekubo: - Fix the POOL_DATA_OFFSET value and remove sender from callback data - Use SafeERC20 - Maverick and Univ2: Use safeTransfer and not safeTransferFrom - Univ3: update expected data length - Univ4: update the selectors (the signature changed) - Router: - For split swap we don't need to pass the tokenInReceiver, it should always be the router address - For single and sequential: change order of the parameters (to be before the permit2 specific objects) - Encoders: - Update selector signatures - For split swap pass the transfer_from (we might not need to if the token in is ETH) Took 2 hours 51 minutes
2025-05-15 13:11:34 +01:00
parent 27dfde3118
commit ee687038c5
20 changed files with 126 additions and 197 deletions
--- a/foundry/src/OneTransferFromOnly.sol
+++ b/foundry/src/OneTransferFromOnly.sol
@@ -25,6 +25,7 @@ contract OneTransferFromOnly {
        permit2lal = IAllowanceTransfer(_permit2);
    }

+    // slither-disable-next-line assembly
    function tstoreTransferFromInfo(
        address tokenIn,
        uint256 amountIn,
@@ -40,6 +41,7 @@ contract OneTransferFromOnly {
        }
    }

+    // slither-disable-next-line assembly
    function _transfer(address receiver) internal {
        address tokenIn;
        uint256 amount;
--- a/foundry/src/TychoRouter.sol
+++ b/foundry/src/TychoRouter.sol
@@ -123,7 +123,6 @@ contract TychoRouter is
     * @param nTokens The total number of tokens involved in the swap graph (used to initialize arrays for internal calculations).
     * @param receiver The address to receive the output tokens.
     * @param transferFromRequired If true, the contract will transfer the input token from the caller to the receiver. Otherwise, assume funds are already in router.
-     * @param tokenInReceiver The address to receive the input tokens. This is used when `transferFromRequired` is true.
     * @param swaps Encoded swap graph data containing details of each swap.
     *
     * @return amountOut The total amount of the output token received by the receiver.
@@ -138,12 +137,11 @@ contract TychoRouter is
        uint256 nTokens,
        address receiver,
        bool transferFromRequired,
-        address tokenInReceiver,
        bytes calldata swaps
    ) public payable whenNotPaused nonReentrant returns (uint256 amountOut) {
        tstoreTransferFromInfo(tokenIn, amountIn, false, msg.sender);
        if (transferFromRequired) {
-            _transfer(tokenInReceiver);
+            _transfer(address(this));
        }
        return _splitSwapChecked(
            amountIn,
@@ -178,10 +176,9 @@ contract TychoRouter is
     * @param unwrapEth If true, unwraps the resulting WETH into native ETH and sends it to the receiver.
     * @param nTokens The total number of tokens involved in the swap graph (used to initialize arrays for internal calculations).
     * @param receiver The address to receive the output tokens.
+     * @param transferFromRequired If true, the contract will transfer the input token from the caller to the receiver. Otherwise, assume funds are already in router.
     * @param permitSingle A Permit2 structure containing token approval details for the input token. Ignored if `wrapEth` is true.
     * @param signature A valid signature authorizing the Permit2 approval. Ignored if `wrapEth` is true.
-     * @param transferFromRequired If true, the contract will transfer the input token from the caller to the receiver. Otherwise, assume funds are already in router.
-     * @param tokenInReceiver The address to receive the input tokens. This is used when `transferFromRequired` is true.
     * @param swaps Encoded swap graph data containing details of each swap.
     *
     * @return amountOut The total amount of the output token received by the receiver.
@@ -195,10 +192,9 @@ contract TychoRouter is
        bool unwrapEth,
        uint256 nTokens,
        address receiver,
+        bool transferFromRequired,
        IAllowanceTransfer.PermitSingle calldata permitSingle,
        bytes calldata signature,
-        bool transferFromRequired,
-        address tokenInReceiver,
        bytes calldata swaps
    ) external payable whenNotPaused nonReentrant returns (uint256 amountOut) {
        // For native ETH, assume funds already in our router. Else, handle approval.
@@ -207,7 +203,7 @@ contract TychoRouter is
        }
        tstoreTransferFromInfo(tokenIn, amountIn, true, msg.sender);
        if (transferFromRequired) {
-            _transfer(tokenInReceiver);
+            _transfer(address(this));
        }

        return _splitSwapChecked(
@@ -293,10 +289,10 @@ contract TychoRouter is
     * @param wrapEth If true, wraps the input token (native ETH) into WETH.
     * @param unwrapEth If true, unwraps the resulting WETH into native ETH and sends it to the receiver.
     * @param receiver The address to receive the output tokens.
-     * @param permitSingle A Permit2 structure containing token approval details for the input token. Ignored if `wrapEth` is true.
-     * @param signature A valid signature authorizing the Permit2 approval. Ignored if `wrapEth` is true.
     * @param transferFromRequired If true, the contract will transfer the input token from the caller to the receiver. Otherwise, assume funds are already in router.
     * @param tokenInReceiver The address to receive the input tokens. This is used when `transferFromRequired` is true.
+     * @param permitSingle A Permit2 structure containing token approval details for the input token. Ignored if `wrapEth` is true.
+     * @param signature A valid signature authorizing the Permit2 approval. Ignored if `wrapEth` is true.
     * @param swaps Encoded swap graph data containing details of each swap.
     *
     * @return amountOut The total amount of the output token received by the receiver.
@@ -309,10 +305,10 @@ contract TychoRouter is
        bool wrapEth,
        bool unwrapEth,
        address receiver,
-        IAllowanceTransfer.PermitSingle calldata permitSingle,
-        bytes calldata signature,
        bool transferFromRequired,
        address tokenInReceiver,
+        IAllowanceTransfer.PermitSingle calldata permitSingle,
+        bytes calldata signature,
        bytes calldata swaps
    ) external payable whenNotPaused nonReentrant returns (uint256 amountOut) {
        // For native ETH, assume funds already in our router. Else, handle approval.
@@ -404,10 +400,10 @@ contract TychoRouter is
     * @param wrapEth If true, wraps the input token (native ETH) into WETH.
     * @param unwrapEth If true, unwraps the resulting WETH into native ETH and sends it to the receiver.
     * @param receiver The address to receive the output tokens.
-     * @param permitSingle A Permit2 structure containing token approval details for the input token. Ignored if `wrapEth` is true.
-     * @param signature A valid signature authorizing the Permit2 approval. Ignored if `wrapEth` is true.
     * @param transferFromRequired If true, the contract will transfer the input token from the caller to the receiver. Otherwise, assume funds are already in router.
     * @param tokenInReceiver The address to receive the input tokens. This is used when `transferFromRequired` is true.
+     * @param permitSingle A Permit2 structure containing token approval details for the input token. Ignored if `wrapEth` is true.
+     * @param signature A valid signature authorizing the Permit2 approval. Ignored if `wrapEth` is true.
     * @param swapData Encoded swap details.
     *
     * @return amountOut The total amount of the output token received by the receiver.
@@ -420,10 +416,10 @@ contract TychoRouter is
        bool wrapEth,
        bool unwrapEth,
        address receiver,
-        IAllowanceTransfer.PermitSingle calldata permitSingle,
-        bytes calldata signature,
        bool transferFromRequired,
        address tokenInReceiver,
+        IAllowanceTransfer.PermitSingle calldata permitSingle,
+        bytes calldata signature,
        bytes calldata swapData
    ) external payable whenNotPaused nonReentrant returns (uint256 amountOut) {
        // For native ETH, assume funds already in our router. Else, handle approval.
--- a/foundry/src/executors/EkuboExecutor.sol
+++ b/foundry/src/executors/EkuboExecutor.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity ^0.8.26;

-import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import {IExecutor} from "@interfaces/IExecutor.sol";
 import {ICallback} from "@interfaces/ICallback.sol";
 import {ICore} from "@ekubo/interfaces/ICore.sol";
@@ -26,12 +26,14 @@ contract EkuboExecutor is

    ICore immutable core;

-    uint256 constant POOL_DATA_OFFSET = 77;
+    uint256 constant POOL_DATA_OFFSET = 58;
    uint256 constant HOP_BYTE_LEN = 52;

    bytes4 constant LOCKED_SELECTOR = 0xb45a3c0e; // locked(uint256)
    bytes4 constant PAY_CALLBACK_SELECTOR = 0x599d0714; // payCallback(uint256,address)

+    using SafeERC20 for IERC20;
+
    constructor(address _core, address _permit2)
        OneTransferFromOnly(_permit2)
    {
@@ -122,12 +124,10 @@ contract EkuboExecutor is
    function _locked(bytes calldata swapData) internal returns (int128) {
        int128 nextAmountIn = int128(uint128(bytes16(swapData[0:16])));
        uint128 tokenInDebtAmount = uint128(nextAmountIn);
-        address sender = address(bytes20(swapData[16:36]));
-        bool transferFromNeeded = (swapData[36] != 0);
-        bool transferNeeded = (swapData[37] != 0);
-
-        address receiver = address(bytes20(swapData[38:58]));
-        address tokenIn = address(bytes20(swapData[58:78]));
+        bool transferFromNeeded = (swapData[16] != 0);
+        bool transferNeeded = (swapData[17] != 0);
+        address receiver = address(bytes20(swapData[18:38]));
+        address tokenIn = address(bytes20(swapData[38:58]));

        address nextTokenIn = tokenIn;

@@ -207,7 +207,7 @@ contract EkuboExecutor is
            if (token == address(0)) {
                payable(msg.sender).transfer(amount);
            } else {
-                IERC20(token).transfer(msg.sender, amount);
+                IERC20(token).safeTransfer(msg.sender, amount);
            }
        }
    }
--- a/foundry/src/executors/MaverickV2Executor.sol
+++ b/foundry/src/executors/MaverickV2Executor.sol
@@ -3,7 +3,6 @@ pragma solidity ^0.8.26;

 import "@interfaces/IExecutor.sol";
 import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
-import "./TokenTransfer.sol";

 error MaverickV2Executor__InvalidDataLength();
 error MaverickV2Executor__InvalidTarget();
@@ -49,10 +48,11 @@ contract MaverickV2Executor is IExecutor {

        if (transferNeeded) {
            if (address(tokenIn) == address(0)) {
+                // slither-disable-next-line arbitrary-send-eth
                payable(target).transfer(givenAmount);
            } else {
                // slither-disable-next-line arbitrary-send-erc20
-                tokenIn.safeTransferFrom(msg.sender, target, givenAmount);
+                tokenIn.safeTransfer(target, givenAmount);
            }
        }

--- a/foundry/src/executors/TokenTransfer.sol
+++ b/foundry/src/executors/TokenTransfer.sol
@@ -1,70 +0,0 @@
-// SPDX-License-Identifier: BUSL-1.1
-pragma solidity ^0.8.26;
-
-import "@interfaces/IExecutor.sol";
-import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
-import "@permit2/src/interfaces/IAllowanceTransfer.sol";
-
-error TokenTransfer__AddressZero();
-
-contract TokenTransfer {
-    using SafeERC20 for IERC20;
-
-    IAllowanceTransfer public immutable permit2;
-
-    enum TransferType {
-        // Assume funds are in the TychoRouter - transfer into the pool
-        TRANSFER_TO_PROTOCOL,
-        // Assume funds are in msg.sender's wallet - transferFrom into the pool
-        TRANSFER_FROM_TO_PROTOCOL,
-        // Assume funds are in msg.sender's wallet - permit2TransferFrom into the pool
-        TRANSFER_PERMIT2_TO_PROTOCOL,
-        // Assume funds are in msg.sender's wallet - but the pool requires it to be
-        // in the router contract when calling swap - transferFrom into the router
-        // contract
-        TRANSFER_FROM_TO_ROUTER,
-        // Assume funds are in msg.sender's wallet - but the pool requires it to be
-        // in the router contract when calling swap - transferFrom into the router
-        // contract using permit2
-        TRANSFER_PERMIT2_TO_ROUTER,
-        // Assume funds have already been transferred into the pool. Do nothing.
-        NONE
-    }
-
-    constructor(address _permit2) {
-        if (_permit2 == address(0)) {
-            revert TokenTransfer__AddressZero();
-        }
-        permit2 = IAllowanceTransfer(_permit2);
-    }
-
-    function _transfer(
-        address tokenIn,
-        address sender,
-        address receiver,
-        uint256 amount,
-        TransferType transferType
-    ) internal {
-        if (transferType == TransferType.TRANSFER_TO_PROTOCOL) {
-            if (tokenIn == address(0)) {
-                payable(receiver).transfer(amount);
-            } else {
-                IERC20(tokenIn).safeTransfer(receiver, amount);
-            }
-        } else if (transferType == TransferType.TRANSFER_FROM_TO_PROTOCOL) {
-            // slither-disable-next-line arbitrary-send-erc20
-            IERC20(tokenIn).safeTransferFrom(sender, receiver, amount);
-        } else if (transferType == TransferType.TRANSFER_PERMIT2_TO_PROTOCOL) {
-            // Permit2.permit is already called from the TychoRouter
-            permit2.transferFrom(sender, receiver, uint160(amount), tokenIn);
-        } else if (transferType == TransferType.TRANSFER_FROM_TO_ROUTER) {
-            // slither-disable-next-line arbitrary-send-erc20
-            IERC20(tokenIn).safeTransferFrom(sender, address(this), amount);
-        } else if (transferType == TransferType.TRANSFER_PERMIT2_TO_ROUTER) {
-            // Permit2.permit is already called from the TychoRouter
-            permit2.transferFrom(
-                sender, address(this), uint160(amount), tokenIn
-            );
-        }
-    }
-}
--- a/foundry/src/executors/UniswapV2Executor.sol
+++ b/foundry/src/executors/UniswapV2Executor.sol
@@ -60,12 +60,8 @@ contract UniswapV2Executor is IExecutor {
        calculatedAmount = _getAmountOut(target, givenAmount, zeroForOne);

        if (transferNeeded) {
-            if (address(tokenIn) == address(0)) {
-                payable(target).transfer(givenAmount);
-            } else {
-                // slither-disable-next-line arbitrary-send-erc20
-                tokenIn.safeTransferFrom(msg.sender, target, givenAmount);
-            }
+            // slither-disable-next-line arbitrary-send-erc20
+            tokenIn.safeTransfer(target, givenAmount);
        }

        IUniswapV2Pair pool = IUniswapV2Pair(target);
--- a/foundry/src/executors/UniswapV3Executor.sol
+++ b/foundry/src/executors/UniswapV3Executor.sol
@@ -5,7 +5,6 @@ import "@interfaces/IExecutor.sol";
 import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol";
 import "@interfaces/ICallback.sol";
-import {TokenTransfer} from "./TokenTransfer.sol";
 import {OneTransferFromOnly} from "../OneTransferFromOnly.sol";

 error UniswapV3Executor__InvalidDataLength();
@@ -152,7 +151,7 @@ contract UniswapV3Executor is IExecutor, ICallback, OneTransferFromOnly {
            bool transferNeeded
        )
    {
-        if (data.length != 85) {
+        if (data.length != 86) {
            revert UniswapV3Executor__InvalidDataLength();
        }
        tokenIn = address(bytes20(data[0:20]));
--- a/foundry/src/executors/UniswapV4Executor.sol
+++ b/foundry/src/executors/UniswapV4Executor.sol
@@ -47,8 +47,8 @@ contract UniswapV4Executor is
    IPoolManager public immutable poolManager;
    address private immutable _self;

-    bytes4 constant SWAP_EXACT_INPUT_SINGLE_SELECTOR = 0x8bc6d0d7;
-    bytes4 constant SWAP_EXACT_INPUT_SELECTOR = 0xaf90aeb1;
+    bytes4 constant SWAP_EXACT_INPUT_SINGLE_SELECTOR = 0xbaa46608;
+    bytes4 constant SWAP_EXACT_INPUT_SELECTOR = 0x653f1785;

    struct UniswapV4Pool {
        address intermediaryToken;
--- a/foundry/test/TychoRouterProtocolIntegration.t.sol
+++ b/foundry/test/TychoRouterProtocolIntegration.t.sol
@@ -43,10 +43,10 @@ contract TychoRouterTestProtocolIntegration is TychoRouterTestSetup {
            false,
            false,
            ALICE,
-            permitSingle,
-            signature,
            false,
            address(0),
+            permitSingle,
+            signature,
            swap
        );

@@ -58,7 +58,7 @@ contract TychoRouterTestProtocolIntegration is TychoRouterTestSetup {
        // This test has two uniswap v4 hops that will be executed inside of the V4 pool manager
        // USDE -> USDT -> WBTC
        uint256 amountIn = 100 ether;
-        deal(USDE_ADDR, tychoRouterAddr, amountIn);
+        deal(USDE_ADDR, ALICE, amountIn);

        UniswapV4Executor.UniswapV4Pool[] memory pools =
            new UniswapV4Executor.UniswapV4Pool[](2);
@@ -77,7 +77,7 @@ contract TychoRouterTestProtocolIntegration is TychoRouterTestSetup {
            USDE_ADDR,
            WBTC_ADDR,
            true,
-            true, // permit2 transferFrom to protocol
+            true, // transferFrom to protocol
            false, // transfer to protocol
            ALICE,
            pools
@@ -86,6 +86,8 @@ contract TychoRouterTestProtocolIntegration is TychoRouterTestSetup {
        bytes memory swap =
            encodeSingleSwap(address(usv4Executor), protocolData);

+        vm.startPrank(ALICE);
+        IERC20(USDE_ADDR).approve(tychoRouterAddr, amountIn);
        tychoRouter.singleSwap(
            amountIn,
            USDE_ADDR,
@@ -289,10 +291,10 @@ contract TychoRouterTestProtocolIntegration is TychoRouterTestSetup {
            false,
            false,
            ALICE,
-            permitSingle,
-            signature,
            false,
            address(0),
+            permitSingle,
+            signature,
            swap
        );

--- a/foundry/test/TychoRouterSequentialSwap.t.sol
+++ b/foundry/test/TychoRouterSequentialSwap.t.sol
@@ -60,10 +60,10 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
            false,
            false,
            ALICE,
-            permitSingle,
-            signature,
            true,
            WETH_DAI_POOL,
+            permitSingle,
+            signature,
            pleEncode(swaps)
        );

@@ -177,10 +177,10 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
            false,
            false,
            ALICE,
-            permitSingle,
-            signature,
            true,
            WETH_DAI_POOL,
+            permitSingle,
+            signature,
            pleEncode(swaps)
        );
        vm.stopPrank();
@@ -208,14 +208,14 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
        swaps[0] = encodeSequentialSwap(
            address(usv2Executor),
            encodeUniswapV2Swap(
-                WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false, true
+                WETH_ADDR, WETH_DAI_POOL, DAI_USDC_POOL, false, true
            )
        );

        // DAI -> USDC
        swaps[1] = encodeSequentialSwap(
            address(usv2Executor),
-            encodeUniswapV2Swap(DAI_ADDR, DAI_USDC_POOL, ALICE, true, true)
+            encodeUniswapV2Swap(DAI_ADDR, DAI_USDC_POOL, ALICE, true, false)
        );

        uint256 amountOut = tychoRouter.sequentialSwapPermit2{value: amountIn}(
@@ -226,10 +226,10 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
            true,
            false,
            ALICE,
+            false,
+            address(0),
            emptyPermitSingle,
            "",
-            true,
-            tychoRouterAddr,
            pleEncode(swaps)
        );
        uint256 expectedAmount = 2005810530;
@@ -280,10 +280,10 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
            false,
            true,
            ALICE,
-            permitSingle,
-            signature,
            true,
            DAI_USDC_POOL,
+            permitSingle,
+            signature,
            pleEncode(swaps)
        );

--- a/foundry/test/TychoRouterSingleSwap.t.sol
+++ b/foundry/test/TychoRouterSingleSwap.t.sol
@@ -40,10 +40,10 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
            false,
            false,
            ALICE,
-            permitSingle,
-            signature,
            true, // transferFrom to WETH_DAI_POOL
            WETH_DAI_POOL, // receiver of input tokens
+            permitSingle,
+            signature,
            swap
        );

@@ -239,10 +239,10 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
            true,
            false,
            ALICE,
+            false,
+            tychoRouterAddr,
            emptyPermitSingle,
            "",
-            true,
-            tychoRouterAddr,
            swap
        );
        uint256 expectedAmount = 2018817438608734439722;
@@ -280,10 +280,10 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
            false,
            true,
            ALICE,
-            permitSingle,
-            signature,
            true, // transferFrom to WETH_DAI_POOL
            WETH_DAI_POOL, // receiver of input tokens
+            permitSingle,
+            signature,
            swap
        );

--- a/foundry/test/TychoRouterSplitSwap.t.sol
+++ b/foundry/test/TychoRouterSplitSwap.t.sol
@@ -95,10 +95,9 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
            false,
            4,
            ALICE,
+            true,
            permitSingle,
            signature,
-            true,
-            tychoRouterAddr,
            pleEncode(swaps)
        );

@@ -127,7 +126,6 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
            4,
            ALICE,
            true,
-            tychoRouterAddr,
            pleEncode(swaps)
        );

@@ -157,7 +155,6 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
            4,
            ALICE,
            true,
-            tychoRouterAddr,
            pleEncode(swaps)
        );
        vm.stopPrank();
@@ -184,7 +181,6 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
            2,
            ALICE,
            true,
-            tychoRouterAddr,
            pleEncode(swaps)
        );

@@ -222,10 +218,9 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
            false,
            4,
            ALICE,
+            true,
            permitSingle,
            signature,
-            true,
-            tychoRouterAddr,
            pleEncode(swaps)
        );
        vm.stopPrank();
@@ -268,10 +263,9 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
            false,
            2,
            ALICE,
+            false,
            emptyPermitSingle,
            "",
-            false,
-            tychoRouterAddr,
            pleEncode(swaps)
        );
        uint256 expectedAmount = 2018817438608734439722;
@@ -315,10 +309,9 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
            true,
            2,
            ALICE,
+            true,
            permitSingle,
            signature,
-            true,
-            tychoRouterAddr,
            pleEncode(swaps)
        );

--- a/foundry/test/assets/calldata.txt
+++ b/foundry/test/assets/calldata.txt
@@ -1,28 +1,29 @@
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+test_multi_protocol: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
 test_encode_balancer_v2:c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2ba100000625a3754423978a60c9317c58a424e3d5c6ee304399dbdb9c8ef030ab642b10820db8f560002000000000000000000141d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e0100
 test_ekubo_encode_swap_multi:0001ca4f73fe97d0b987a0d12b39bbd562c779bab6f60000000000000000000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb4851d02a5948496a67827242eabc5725531342527c000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec700000000000000000000000000000000000000000001a36e2eb1c43200000032
 test_encode_uniswap_v4_sequential_swap:4c9edd5852cd905f086c759e8383e09bff1e68b32260fac5e5542a773aa44fbcfedf7c193bc2c599010001cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2dac17f958d2ee523a2206206994597c13d831ec70000640000012260fac5e5542a773aa44fbcfedf7c193bc2c599000bb800003c
 test_encode_uniswap_v4_simple_swap:4c9edd5852cd905f086c759e8383e09bff1e68b3dac17f958d2ee523a2206206994597c13d831ec7010001cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2dac17f958d2ee523a2206206994597c13d831ec7000064000001
-test_single_encoding_strategy_maverick: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
+test_single_encoding_strategy_maverick: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
 test_encode_maverick_v2:40d16fc0246ad3160ccc09b8d0d3a2cd28ae6c2f14cf6d2fe3e1b326114b07d22a6f6bb59e346c671d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e01
+test_encode_uniswap_v2:c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2a478c2975ab1ea89e8196811f51a7b7ade33eb111d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e0001
--- a/foundry/test/executors/EkuboExecutor.t.sol
+++ b/foundry/test/executors/EkuboExecutor.t.sol
@@ -45,6 +45,7 @@ contract EkuboExecutorTest is Constants, TestUtils {
        uint256 usdcBalanceBeforeExecutor = USDC.balanceOf(address(executor));

        bytes memory data = abi.encodePacked(
+            false, // transferFromNeeded (transfer user to core)
            true, // transferNeeded (transfer from executor to core)
            address(executor), // receiver
            NATIVE_TOKEN_ADDRESS, // tokenIn
@@ -82,6 +83,7 @@ contract EkuboExecutorTest is Constants, TestUtils {
        uint256 ethBalanceBeforeExecutor = address(executor).balance;

        bytes memory data = abi.encodePacked(
+            false, // transferFromNeeded (transfer user to core)
            true, // transferNeeded (transfer from executor to core)
            address(executor), // receiver
            USDC_ADDR, // tokenIn
@@ -140,6 +142,7 @@ contract EkuboExecutorTest is Constants, TestUtils {
    // Same test case as in swap_encoder::tests::ekubo::test_encode_swap_multi
    function testMultiHopSwap() public {
        bytes memory data = abi.encodePacked(
+            false, // transferFromNeeded (transfer user to core)
            true, // transferNeeded (transfer from executor to core)
            address(executor), // receiver
            NATIVE_TOKEN_ADDRESS, // tokenIn
--- a/foundry/test/executors/UniswapV2Executor.t.sol
+++ b/foundry/test/executors/UniswapV2Executor.t.sol
@@ -1,10 +1,11 @@
 // SPDX-License-Identifier: BUSL-1.1
 pragma solidity ^0.8.26;

+import "../TestUtils.sol";
 import "@src/executors/UniswapV2Executor.sol";
-import {Test} from "../../lib/forge-std/src/Test.sol";
 import {Constants} from "../Constants.sol";
 import {Permit2TestHelper} from "../Permit2TestHelper.sol";
+import {Test} from "../../lib/forge-std/src/Test.sol";

 contract UniswapV2ExecutorExposed is UniswapV2Executor {
    constructor(
@@ -51,7 +52,7 @@ contract FakeUniswapV2Pool {
    }
 }

-contract UniswapV2ExecutorTest is Test, Constants, Permit2TestHelper {
+contract UniswapV2ExecutorTest is Constants, Permit2TestHelper, TestUtils {
    using SafeERC20 for IERC20;

    UniswapV2ExecutorExposed uniswapV2Exposed;
@@ -193,7 +194,7 @@ contract UniswapV2ExecutorTest is Test, Constants, Permit2TestHelper {

    function testSwapIntegration() public {
        bytes memory protocolData =
-            hex"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2a478c2975ab1ea89e8196811f51a7b7ade33eb111d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e0001";
+            loadCallDataFromFile("test_encode_uniswap_v2");
        uint256 amountIn = 10 ** 18;
        uint256 amountOut = 1847751195973566072891;
        deal(WETH_ADDR, address(uniswapV2Exposed), amountIn);
--- a/foundry/test/executors/UniswapV3Executor.t.sol
+++ b/foundry/test/executors/UniswapV3Executor.t.sol
@@ -149,11 +149,7 @@ contract UniswapV3ExecutorTest is Test, Constants, Permit2TestHelper {

        vm.startPrank(DAI_WETH_USV3);
        bytes memory protocolData = abi.encodePacked(
-            WETH_ADDR,
-            DAI_ADDR,
-            poolFee,
-            TokenTransfer.TransferType.TRANSFER_TO_PROTOCOL,
-            address(uniswapV3Exposed)
+            WETH_ADDR, DAI_ADDR, poolFee, false, true, address(uniswapV3Exposed)
        );
        uint256 dataOffset = 3; // some offset
        uint256 dataLength = protocolData.length;
--- a/foundry/test/executors/UniswapV4Utils.sol
+++ b/foundry/test/executors/UniswapV4Utils.sol
@@ -28,6 +28,7 @@ library UniswapV4Utils {
            tokenIn,
            tokenOut,
            zeroForOne,
+            transferFromNeeded,
            transferNeeded,
            receiver,
            encodedPools