Liquidity.Party/tycho-execution
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feat: Add transferFromNeeded to non permit2 methods

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This will block an attempt to transfer from the user when we expect the funds to already be in the router.

chores:
- add docs
- in EncodingContext, rename transfer to transfer_type

Took 58 minutes
This commit is contained in:
Diana Carvalho
2025-05-19 12:02:57 +01:00
parent e0c195f63d
commit cc9e88cfed
13 changed files with 179 additions and 76 deletions
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20
foundry/src/RestrictTransferFrom.sol
View File

@@ -52,21 +52,37 @@ contract RestrictTransferFrom {
None
}
/**
* @dev This function is used to store the transfer information in the
* contract's storage. This is done as the first step in the swap process in TychoRouter.
*/
// slither-disable-next-line assembly
function _tstoreTransferFromInfo(
address tokenIn,
uint256 amountIn,
bool isPermit2
bool isPermit2,
bool transferFromNeeded
) internal {
uint256 amountAllowed = amountIn;
if (!transferFromNeeded) {
amountAllowed = 0;
}
assembly {
tstore(_TOKEN_IN_SLOT, tokenIn)
tstore(_AMOUNT_ALLOWED_SLOT, amountIn)
tstore(_AMOUNT_ALLOWED_SLOT, amountAllowed)
tstore(_IS_PERMIT2_SLOT, isPermit2)
tstore(_SENDER_SLOT, caller())
tstore(_AMOUNT_SPENT_SLOT, 0)
}
}
/**
* @dev This function is used to transfer the tokens from the sender to the receiver.
* This function is called within the Executor contracts.
* If the TransferType is TransferFrom, it will check if the amount is within the allowed amount and transfer those funds from the user.
* If the TransferType is Transfer, it will transfer the funds from the TychoRouter to the receiver.
* If the TransferType is None, it will do nothing.
*/
// slither-disable-next-line assembly
function _transfer(
address receiver,

18
foundry/src/TychoRouter.sol
View File

@@ -123,6 +123,7 @@ 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 transferFromNeeded If false, the contract will assume that the input token is already transferred to the contract and don't allow any transferFroms
* @param swaps Encoded swap graph data containing details of each swap.
*
* @return amountOut The total amount of the output token received by the receiver.
@@ -136,10 +137,11 @@ contract TychoRouter is
bool unwrapEth,
uint256 nTokens,
address receiver,
bool transferFromNeeded,
bytes calldata swaps
) public payable whenNotPaused nonReentrant returns (uint256 amountOut) {
uint256 initialBalanceTokenOut = _balanceOf(tokenOut, receiver);
_tstoreTransferFromInfo(tokenIn, amountIn, false);
_tstoreTransferFromInfo(tokenIn, amountIn, false, transferFromNeeded);
return _splitSwapChecked(
amountIn,
@@ -199,7 +201,7 @@ contract TychoRouter is
if (tokenIn != address(0)) {
permit2.permit(msg.sender, permitSingle, signature);
}
_tstoreTransferFromInfo(tokenIn, amountIn, true);
_tstoreTransferFromInfo(tokenIn, amountIn, true, true);
return _splitSwapChecked(
amountIn,
@@ -233,6 +235,7 @@ 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 transferFromNeeded If false, the contract will assume that the input token is already transferred to the contract and don't allow any transferFroms
* @param swaps Encoded swap graph data containing details of each swap.
*
* @return amountOut The total amount of the output token received by the receiver.
@@ -245,10 +248,11 @@ contract TychoRouter is
bool wrapEth,
bool unwrapEth,
address receiver,
bool transferFromNeeded,
bytes calldata swaps
) public payable whenNotPaused nonReentrant returns (uint256 amountOut) {
uint256 initialBalanceTokenOut = _balanceOf(tokenOut, receiver);
_tstoreTransferFromInfo(tokenIn, amountIn, false);
_tstoreTransferFromInfo(tokenIn, amountIn, false, transferFromNeeded);
return _sequentialSwapChecked(
amountIn,
@@ -305,7 +309,7 @@ contract TychoRouter is
permit2.permit(msg.sender, permitSingle, signature);
}
_tstoreTransferFromInfo(tokenIn, amountIn, true);
_tstoreTransferFromInfo(tokenIn, amountIn, true, true);
return _sequentialSwapChecked(
amountIn,
@@ -336,6 +340,7 @@ 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 transferFromNeeded If false, the contract will assume that the input token is already transferred to the contract and don't allow any transferFroms
* @param swapData Encoded swap details.
*
* @return amountOut The total amount of the output token received by the receiver.
@@ -348,10 +353,11 @@ contract TychoRouter is
bool wrapEth,
bool unwrapEth,
address receiver,
bool transferFromNeeded,
bytes calldata swapData
) public payable whenNotPaused nonReentrant returns (uint256 amountOut) {
uint256 initialBalanceTokenOut = _balanceOf(tokenOut, receiver);
_tstoreTransferFromInfo(tokenIn, amountIn, false);
_tstoreTransferFromInfo(tokenIn, amountIn, false, transferFromNeeded);
return _singleSwap(
amountIn,
@@ -407,7 +413,7 @@ contract TychoRouter is
if (tokenIn != address(0)) {
permit2.permit(msg.sender, permitSingle, signature);
}
_tstoreTransferFromInfo(tokenIn, amountIn, true);
_tstoreTransferFromInfo(tokenIn, amountIn, true, true);
return _singleSwap(
amountIn,

10
foundry/test/TychoRouterProtocolIntegration.t.sol
View File

@@ -85,7 +85,15 @@ contract TychoRouterTestProtocolIntegration is TychoRouterTestSetup {
vm.startPrank(ALICE);
IERC20(USDE_ADDR).approve(tychoRouterAddr, amountIn);
tychoRouter.singleSwap(
amountIn, USDE_ADDR, WBTC_ADDR, 118280, false, false, ALICE, swap
amountIn,
USDE_ADDR,
WBTC_ADDR,
118280,
false,
false,
ALICE,
true,
swap
);
assertEq(IERC20(WBTC_ADDR).balanceOf(ALICE), 118281);

3
foundry/test/TychoRouterSequentialSwap.t.sol
View File

@@ -87,6 +87,7 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
false,
false,
ALICE,
true,
pleEncode(swaps)
);
@@ -113,6 +114,7 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
false,
false,
ALICE,
true,
pleEncode(swaps)
);
}
@@ -135,6 +137,7 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
false,
false,
ALICE,
true,
pleEncode(swaps)
);
}

48
foundry/test/TychoRouterSingleSwap.t.sol
View File

@@ -82,6 +82,7 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
false,
false,
ALICE,
true,
swap
);
@@ -116,7 +117,7 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
vm.expectRevert(TychoRouter__UndefinedMinAmountOut.selector);
tychoRouter.singleSwap(
amountIn, WETH_ADDR, DAI_ADDR, 0, false, false, ALICE, swap
amountIn, WETH_ADDR, DAI_ADDR, 0, false, false, ALICE, true, swap
);
}
@@ -150,6 +151,7 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
false,
false,
ALICE,
true,
swap
);
}
@@ -192,6 +194,7 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
false,
false,
ALICE,
true,
swap
);
}
@@ -287,6 +290,49 @@ contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
vm.stopPrank();
}
function testSingleSwapNoTransferNeededIllegalTransfer() public {
// Tokens are already in the router, there is no need to transfer them.
// Failure because there will be an attempt on an illegal transfer.
uint256 amountIn = 1 ether;
deal(WETH_ADDR, address(tychoRouter), amountIn);
vm.startPrank(ALICE);
// Approve the tokenIn to be transferred to the router
IERC20(WETH_ADDR).approve(address(tychoRouterAddr), amountIn);
bytes memory protocolData = encodeUniswapV2Swap(
WETH_ADDR,
WETH_DAI_POOL,
ALICE,
false,
RestrictTransferFrom.TransferType.TransferFrom
);
bytes memory swap =
encodeSingleSwap(address(usv2Executor), protocolData);
vm.expectRevert(
abi.encodeWithSelector(
RestrictTransferFrom__ExceededTransferFromAllowance.selector,
0, // allowed amount
amountIn // attempted amount
)
);
uint256 amountOut = tychoRouter.singleSwap(
amountIn,
WETH_ADDR,
DAI_ADDR,
2000 * 1e18,
false,
false,
ALICE,
false,
swap
);
vm.stopPrank();
}
function testSingleSwapIntegration() public {
// Tests swapping WETH -> DAI on a USV2 pool with regular approvals
deal(WETH_ADDR, ALICE, 1 ether);

4
foundry/test/TychoRouterSplitSwap.t.sol
View File

@@ -143,6 +143,7 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
false,
4,
ALICE,
true,
pleEncode(swaps)
);
@@ -171,6 +172,7 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
false,
4,
ALICE,
true,
pleEncode(swaps)
);
vm.stopPrank();
@@ -196,6 +198,7 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
false,
2,
ALICE,
true,
pleEncode(swaps)
);
@@ -482,6 +485,7 @@ contract TychoRouterSplitSwapTest is TychoRouterTestSetup {
false,
2,
ALICE,
true,
pleEncode(swaps)
);
vm.stopPrank();

13
foundry/test/TychoRouterTestSetup.sol
View File

@@ -28,10 +28,15 @@ contract TychoRouterExposed is TychoRouter {
return _unwrapETH(amount);
}
function tstoreExposed(address tokenIn, uint256 amountIn, bool isPermit2)
external
{
_tstoreTransferFromInfo(tokenIn, amountIn, isPermit2);
function tstoreExposed(
address tokenIn,
uint256 amountIn,
bool isPermit2,
bool transferFromNeeded
) external {
_tstoreTransferFromInfo(
tokenIn, amountIn, isPermit2, transferFromNeeded
);
}
function exposedSplitSwap(

46
foundry/test/assets/calldata.txt
View File

@@ -1,29 +1,29 @@
test_uniswap_v3_uniswap_v2: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
test_single_encoding_strategy_ekubo: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
test_uniswap_v3_uniswap_v3: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
test_balancer_v2_uniswap_v2: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
test_sequential_swap_strategy_encoder_no_permit2: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
test_single_encoding_strategy_usv4_grouped_swap: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
test_single_encoding_strategy_usv4_eth_out: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
test_sequential_swap_strategy_encoder: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
test_single_swap_strategy_encoder_no_permit2: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
test_single_swap_strategy_encoder_no_transfer_in: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
test_single_encoding_strategy_usv4_eth_in: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test_ekubo_encode_swap_multi:01ca4f73fe97d0b987a0d12b39bbd562c779bab6f60000000000000000000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb4851d02a5948496a67827242eabc5725531342527c000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec700000000000000000000000000000000000000000001a36e2eb1c43200000032
test_encode_uniswap_v4_sequential_swap:4c9edd5852cd905f086c759e8383e09bff1e68b32260fac5e5542a773aa44fbcfedf7c193bc2c5990101cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2dac17f958d2ee523a2206206994597c13d831ec70000640000012260fac5e5542a773aa44fbcfedf7c193bc2c599000bb800003c
test_encode_uniswap_v4_simple_swap:4c9edd5852cd905f086c759e8383e09bff1e68b3dac17f958d2ee523a2206206994597c13d831ec70101cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2dac17f958d2ee523a2206206994597c13d831ec7000064000001
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

41
src/encoding/evm/strategy_encoder/strategy_encoders.rs
View File

@@ -33,6 +33,7 @@ use crate::encoding::{
/// * `selector`: String, the selector for the swap function in the router contract
/// * `router_address`: Address of the router to be used to execute swaps
/// * `transfer_optimization`: TransferOptimization, responsible for optimizing the token transfers
/// * `token_in_already_in_router`: bool, whether the token in is already in the router
#[derive(Clone)]
pub struct SingleSwapStrategyEncoder {
swap_encoder_registry: SwapEncoderRegistry,
@@ -40,6 +41,7 @@ pub struct SingleSwapStrategyEncoder {
selector: String,
router_address: Bytes,
transfer_optimization: TransferOptimization,
token_in_already_in_router: bool,
}
impl SingleSwapStrategyEncoder {
@@ -55,7 +57,8 @@ impl SingleSwapStrategyEncoder {
} else {
(
None,
"singleSwap(uint256,address,address,uint256,bool,bool,address,bytes)".to_string(),
"singleSwap(uint256,address,address,uint256,bool,bool,address,bool,bytes)"
.to_string(),
)
};
Ok(Self {
@@ -69,6 +72,7 @@ impl SingleSwapStrategyEncoder {
token_in_already_in_router,
router_address,
),
token_in_already_in_router,
})
}
@@ -132,7 +136,7 @@ impl StrategyEncoder for SingleSwapStrategyEncoder {
router_address: Some(self.router_address.clone()),
group_token_in: grouped_swap.token_in.clone(),
group_token_out: grouped_swap.token_out.clone(),
transfer,
transfer_type: transfer,
};
let mut grouped_protocol_data: Vec<u8> = vec![];
@@ -176,6 +180,7 @@ impl StrategyEncoder for SingleSwapStrategyEncoder {
wrap,
unwrap,
bytes_to_address(&solution.receiver)?,
!self.token_in_already_in_router,
swap_data,
)
.abi_encode()
@@ -208,6 +213,7 @@ impl StrategyEncoder for SingleSwapStrategyEncoder {
/// * `sequential_swap_validator`: SequentialSwapValidator, responsible for checking validity of
/// sequential swap solutions
/// * `transfer_optimization`: TransferOptimization, responsible for optimizing the token transfers
/// * `token_in_already_in_router`: bool, whether the token in is already in the router
#[derive(Clone)]
pub struct SequentialSwapStrategyEncoder {
swap_encoder_registry: SwapEncoderRegistry,
@@ -218,6 +224,7 @@ pub struct SequentialSwapStrategyEncoder {
wrapped_address: Bytes,
sequential_swap_validator: SequentialSwapValidator,
transfer_optimization: TransferOptimization,
token_in_already_in_router: bool,
}
impl SequentialSwapStrategyEncoder {
@@ -233,7 +240,7 @@ impl SequentialSwapStrategyEncoder {
} else {
(
None,
"sequentialSwap(uint256,address,address,uint256,bool,bool,address,bytes)"
"sequentialSwap(uint256,address,address,uint256,bool,bool,address,bool,bytes)"
.to_string(),
)
};
@@ -251,6 +258,7 @@ impl SequentialSwapStrategyEncoder {
token_in_already_in_router,
router_address,
),
token_in_already_in_router,
})
}
@@ -322,7 +330,7 @@ impl StrategyEncoder for SequentialSwapStrategyEncoder {
router_address: Some(self.router_address.clone()),
group_token_in: grouped_swap.token_in.clone(),
group_token_out: grouped_swap.token_out.clone(),
transfer,
transfer_type: transfer,
};
let mut grouped_protocol_data: Vec<u8> = vec![];
@@ -371,6 +379,7 @@ impl StrategyEncoder for SequentialSwapStrategyEncoder {
wrap,
unwrap,
bytes_to_address(&solution.receiver)?,
!self.token_in_already_in_router,
encoded_swaps,
)
.abi_encode()
@@ -403,6 +412,7 @@ impl StrategyEncoder for SequentialSwapStrategyEncoder {
/// solutions
/// * `router_address`: Address of the router to be used to execute swaps
/// * `transfer_optimization`: TransferOptimization, responsible for optimizing the token transfers
/// * `token_in_already_in_router`: bool, whether the token in is already in the router
#[derive(Clone)]
pub struct SplitSwapStrategyEncoder {
swap_encoder_registry: SwapEncoderRegistry,
@@ -413,6 +423,7 @@ pub struct SplitSwapStrategyEncoder {
split_swap_validator: SplitSwapValidator,
router_address: Bytes,
transfer_optimization: TransferOptimization,
token_in_already_in_router: bool,
}
impl SplitSwapStrategyEncoder {
@@ -428,7 +439,7 @@ impl SplitSwapStrategyEncoder {
} else {
(
None,
"splitSwap(uint256,address,address,uint256,bool,bool,uint256,address,bytes)"
"splitSwap(uint256,address,address,uint256,bool,bool,uint256,address,bool,bytes)"
.to_string(),
)
};
@@ -446,6 +457,7 @@ impl SplitSwapStrategyEncoder {
token_in_already_in_router,
router_address,
),
token_in_already_in_router,
})
}
@@ -557,7 +569,7 @@ impl StrategyEncoder for SplitSwapStrategyEncoder {
router_address: Some(self.router_address.clone()),
group_token_in: grouped_swap.token_in.clone(),
group_token_out: grouped_swap.token_out.clone(),
transfer,
transfer_type: transfer,
};
let mut grouped_protocol_data: Vec<u8> = vec![];
@@ -616,6 +628,7 @@ impl StrategyEncoder for SplitSwapStrategyEncoder {
unwrap,
U256::from(tokens_len),
bytes_to_address(&solution.receiver)?,
!self.token_in_already_in_router,
encoded_swaps,
)
.abi_encode()
@@ -834,7 +847,7 @@ mod tests {
.unwrap();
let expected_min_amount_encoded = hex::encode(U256::abi_encode(&expected_min_amount));
let expected_input = [
"20144a07", // Function selector
"5c4b639c", // Function selector
"0000000000000000000000000000000000000000000000000de0b6b3a7640000", // amount in
"000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", // token in
"0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f", // token out
@@ -842,7 +855,8 @@ mod tests {
"0000000000000000000000000000000000000000000000000000000000000000", // wrap
"0000000000000000000000000000000000000000000000000000000000000000", // unwrap
"000000000000000000000000cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2", // receiver
"0000000000000000000000000000000000000000000000000000000000000100", // offset of swap bytes
"0000000000000000000000000000000000000000000000000000000000000001", // transfer from needed
"0000000000000000000000000000000000000000000000000000000000000120", // offset of swap bytes
"0000000000000000000000000000000000000000000000000000000000000052", // length of swap bytes without padding
// Swap data
@@ -916,7 +930,7 @@ mod tests {
.unwrap();
let expected_min_amount_encoded = hex::encode(U256::abi_encode(&expected_min_amount));
let expected_input = [
"20144a07", // Function selector
"5c4b639c", // Function selector
"0000000000000000000000000000000000000000000000000de0b6b3a7640000", // amount in
"000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", // token in
"0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f", // token out
@@ -924,7 +938,8 @@ mod tests {
"0000000000000000000000000000000000000000000000000000000000000000", // wrap
"0000000000000000000000000000000000000000000000000000000000000000", // unwrap
"000000000000000000000000cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2", // receiver
"0000000000000000000000000000000000000000000000000000000000000100", // offset of swap bytes
"0000000000000000000000000000000000000000000000000000000000000000", // transfer from not needed
"0000000000000000000000000000000000000000000000000000000000000120", // offset of swap bytes
"0000000000000000000000000000000000000000000000000000000000000052", // length of swap bytes without padding
// Swap data
@@ -1186,7 +1201,7 @@ mod tests {
let hex_calldata = encode(&calldata);
let expected = String::from(concat!(
"e8a980d7", /* function selector */
"e21dd0d3", /* function selector */
"0000000000000000000000000000000000000000000000000de0b6b3a7640000", // amount in
"000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", // token in
"000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48", // token ou
@@ -1194,7 +1209,8 @@ mod tests {
"0000000000000000000000000000000000000000000000000000000000000000", // wrap
"0000000000000000000000000000000000000000000000000000000000000000", // unwrap
"000000000000000000000000cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2", // receiver
"0000000000000000000000000000000000000000000000000000000000000100", /* length ple
"0000000000000000000000000000000000000000000000000000000000000001", /* transfer from needed */
"0000000000000000000000000000000000000000000000000000000000000120", /* length ple
* encode */
"00000000000000000000000000000000000000000000000000000000000000a8",
// swap 1
@@ -2693,7 +2709,6 @@ mod tests {
.unwrap();
let hex_calldata = encode(&calldata);
println!("calldata: {}", hex_calldata);
write_calldata_to_file("test_single_encoding_strategy_curve", hex_calldata.as_str());
}

2
src/encoding/evm/strategy_encoder/transfer_optimizations.rs
View File

@@ -35,7 +35,7 @@ impl TransferOptimization {
}
}
/// Returns the transfer type that should be used for the first transfer.
/// Returns the transfer type that should be used for the current transfer.
pub fn get_transfers(
&self,
swap: SwapGroup,

38
src/encoding/evm/swap_encoder/swap_encoders.rs
View File

@@ -66,7 +66,7 @@ impl SwapEncoder for UniswapV2SwapEncoder {
component_id,
bytes_to_address(&encoding_context.receiver)?,
zero_to_one,
(encoding_context.transfer as u8).to_be_bytes(),
(encoding_context.transfer_type as u8).to_be_bytes(),
);
Ok(args.abi_encode_packed())
@@ -129,7 +129,7 @@ impl SwapEncoder for UniswapV3SwapEncoder {
bytes_to_address(&encoding_context.receiver)?,
component_id,
zero_to_one,
(encoding_context.transfer as u8).to_be_bytes(),
(encoding_context.transfer_type as u8).to_be_bytes(),
);
Ok(args.abi_encode_packed())
@@ -206,7 +206,7 @@ impl SwapEncoder for UniswapV4SwapEncoder {
group_token_in_address,
group_token_out_address,
zero_to_one,
(encoding_context.transfer as u8).to_be_bytes(),
(encoding_context.transfer_type as u8).to_be_bytes(),
bytes_to_address(&encoding_context.receiver)?,
pool_params,
);
@@ -282,7 +282,7 @@ impl SwapEncoder for BalancerV2SwapEncoder {
component_id,
bytes_to_address(&encoding_context.receiver)?,
approval_needed,
(encoding_context.transfer as u8).to_be_bytes(),
(encoding_context.transfer_type as u8).to_be_bytes(),
);
Ok(args.abi_encode_packed())
}
@@ -344,7 +344,7 @@ impl SwapEncoder for EkuboSwapEncoder {
let mut encoded = vec![];
if encoding_context.group_token_in == swap.token_in {
encoded.extend((encoding_context.transfer as u8).to_be_bytes());
encoded.extend((encoding_context.transfer_type as u8).to_be_bytes());
encoded.extend(bytes_to_address(&encoding_context.receiver)?);
encoded.extend(bytes_to_address(&swap.token_in)?);
}
@@ -575,7 +575,7 @@ impl SwapEncoder for CurveSwapEncoder {
i.to_be_bytes::<1>(),
j.to_be_bytes::<1>(),
approval_needed,
(encoding_context.transfer as u8).to_be_bytes(),
(encoding_context.transfer_type as u8).to_be_bytes(),
bytes_to_address(&encoding_context.receiver)?,
);
@@ -620,7 +620,7 @@ impl SwapEncoder for MaverickV2SwapEncoder {
bytes_to_address(&swap.token_in)?,
component_id,
bytes_to_address(&encoding_context.receiver)?,
(encoding_context.transfer as u8).to_be_bytes(),
(encoding_context.transfer_type as u8).to_be_bytes(),
);
Ok(args.abi_encode_packed())
}
@@ -670,7 +670,7 @@ mod tests {
router_address: Some(Bytes::zero(20)),
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
let encoder = UniswapV2SwapEncoder::new(
String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"),
@@ -729,7 +729,7 @@ mod tests {
router_address: Some(Bytes::zero(20)),
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
let encoder = UniswapV3SwapEncoder::new(
String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"),
@@ -791,7 +791,7 @@ mod tests {
router_address: Some(Bytes::zero(20)),
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::None,
transfer_type: TransferType::None,
};
let encoder = BalancerV2SwapEncoder::new(
String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"),
@@ -865,7 +865,7 @@ mod tests {
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
let encoder = UniswapV4SwapEncoder::new(
String::from("0xF62849F9A0B5Bf2913b396098F7c7019b51A820a"),
@@ -936,7 +936,7 @@ mod tests {
group_token_in: group_token_in.clone(),
// Token out is the same as the group token out
group_token_out: token_out.clone(),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
let encoder = UniswapV4SwapEncoder::new(
@@ -979,7 +979,7 @@ mod tests {
router_address: Some(router_address.clone()),
group_token_in: usde_address.clone(),
group_token_out: wbtc_address.clone(),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
// Setup - First sequence: USDE -> USDT
@@ -1114,7 +1114,7 @@ mod tests {
group_token_out: token_out.clone(),
exact_out: false,
router_address: Some(Bytes::default()),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
let encoder =
@@ -1160,7 +1160,7 @@ mod tests {
group_token_out: group_token_out.clone(),
exact_out: false,
router_address: Some(Bytes::default()),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
let first_swap = Swap {
@@ -1356,7 +1356,7 @@ mod tests {
router_address: None,
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::None,
transfer_type: TransferType::None,
};
let encoder = CurveSwapEncoder::new(
String::from("0x5615dEB798BB3E4dFa0139dFa1b3D433Cc23b72f"),
@@ -1426,7 +1426,7 @@ mod tests {
router_address: None,
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::None,
transfer_type: TransferType::None,
};
let encoder = CurveSwapEncoder::new(
String::from("0x5615dEB798BB3E4dFa0139dFa1b3D433Cc23b72f"),
@@ -1497,7 +1497,7 @@ mod tests {
router_address: None,
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::None,
transfer_type: TransferType::None,
};
let encoder = CurveSwapEncoder::new(
String::from("0x5615dEB798BB3E4dFa0139dFa1b3D433Cc23b72f"),
@@ -1568,7 +1568,7 @@ mod tests {
router_address: Some(Bytes::default()),
group_token_in: token_in.clone(),
group_token_out: token_out.clone(),
transfer: TransferType::Transfer,
transfer_type: TransferType::Transfer,
};
let encoder = MaverickV2SwapEncoder::new(
String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"),

8
src/encoding/evm/tycho_encoders.rs
View File

@@ -286,7 +286,7 @@ impl TychoExecutorEncoder {
router_address: None,
group_token_in: grouped_swap.token_in.clone(),
group_token_out: grouped_swap.token_out.clone(),
transfer,
transfer_type: transfer,
};
let protocol_data = swap_encoder.encode_swap(swap.clone(), encoding_context.clone())?;
grouped_protocol_data.extend(protocol_data);
@@ -468,7 +468,7 @@ mod tests {
Bytes::from_str("0x3ede3eca2a72b3aecc820e955b36f38437d01395").unwrap()
);
// single swap selector
assert_eq!(&hex::encode(transactions[0].clone().data)[..8], "20144a07");
assert_eq!(&hex::encode(transactions[0].clone().data)[..8], "5c4b639c");
}
#[test]
@@ -493,7 +493,7 @@ mod tests {
let transactions = transactions.unwrap();
assert_eq!(transactions.len(), 1);
// single swap selector
assert_eq!(&hex::encode(transactions[0].clone().data)[..8], "20144a07");
assert_eq!(&hex::encode(transactions[0].clone().data)[..8], "5c4b639c");
}
#[test]
@@ -540,7 +540,7 @@ mod tests {
assert_eq!(transactions.len(), 1);
assert_eq!(transactions[0].value, eth_amount_in);
// sequential swap selector
assert_eq!(&hex::encode(transactions[0].clone().data)[..8], "e8a980d7");
assert_eq!(&hex::encode(transactions[0].clone().data)[..8], "e21dd0d3");
}
#[test]

4
src/encoding/models.rs
View File

@@ -114,15 +114,15 @@ pub struct EncodingContext {
pub router_address: Option<Bytes>,
pub group_token_in: Bytes,
pub group_token_out: Bytes,
pub transfer: TransferType,
pub transfer_type: TransferType,
}
/// Represents the type of transfer to be performed into the pool.
///
/// # Fields
///
/// * `Transfer`: Transfer the token from the router into the protocol.
/// * `TransferFrom`: Transfer the token from the sender to the protocol/router.
/// * `Transfer`: Transfer the token from the router into the protocol.
/// * `None`: No transfer is needed. Tokens are already in the pool.
#[repr(u8)]
#[derive(Clone, Debug, PartialEq)]