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Merge pull request #248 from propeller-heads/encoding/dc/fix-sequential-unwrap-eth

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fix: Encode sequential swaps with unwrapping WETH correctly
This commit is contained in:
dianacarvalho1
2025-08-07 09:18:35 +01:00
committed by GitHub
parent 93c4b5eb9a c42a5dae6a
commit 48d527cce6
5 changed files with 128 additions and 25 deletions
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21
foundry/test/TychoRouterSequentialSwap.t.sol
View File

@@ -492,4 +492,25 @@ contract TychoRouterSequentialSwapTest is TychoRouterTestSetup {
assertEq(balanceAfter - balanceBefore, 1949668893);
assertEq(IERC20(WETH_ADDR).balanceOf(tychoRouterAddr), 0);
}
function testSequentialSwapWithUnwrapIntegration() public {
// Performs a sequential swap from USDC to ETH through WBTC using USV2 pools and unwrapping in
// the end
deal(USDC_ADDR, ALICE, 3_000_000_000);
uint256 balanceBefore = ALICE.balance;
// Approve permit2
vm.startPrank(ALICE);
IERC20(USDC_ADDR).approve(PERMIT2_ADDRESS, type(uint256).max);
bytes memory callData =
loadCallDataFromFile("test_sequential_swap_strategy_encoder_unwrap");
(bool success,) = tychoRouterAddr.call(callData);
vm.stopPrank();
uint256 balanceAfter = ALICE.balance;
assertTrue(success, "Call Failed");
assertEq(balanceAfter - balanceBefore, 1404194006633772805);
}
}

25
foundry/test/assets/calldata.txt
View File

@@ -3,25 +3,25 @@ test_single_encoding_strategy_ekubo:5c4b639c000000000000000000000000000000000000
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test_single
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test_encode_balancer_v2:c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2ba100000625a3754423978a60c9317c58a424e3d5c6ee304399dbdb9c8ef030ab642b10820db8f560002000000000000000000141d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e0102
test_ekubo_encode_swap_multi:01ca4f73fe97d0b987a0d12b39bbd562c779bab6f60000000000000000000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb4851d02a5948496a67827242eabc5725531342527c000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec700000000000000000000000000000000000000000001a36e2eb1c43200000032
test_encode_uniswap_v4_sequential_swap:4c9edd5852cd905f086c759e8383e09bff1e68b32260fac5e5542a773aa44fbcfedf7c193bc2c5990101cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2dac17f958d2ee523a2206206994597c13d831ec70000640000012260fac5e5542a773aa44fbcfedf7c193bc2c599000bb800003c
@@ -32,5 +32,6 @@ test_encode_uniswap_v2:c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2a478c2975ab1ea89e
test_encode_balancer_v3:7bc3485026ac48b6cf9baf0a377477fff5703af8c71ea051a5f82c67adcf634c36ffe6334793d24c85b2b559bc2d21104c4defdd6efca8a20343361d011d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e
test_single_encoding_strategy_balancer_v3: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
test_uniswap_v3_balancer_v3: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
test_single_swap_strategy_encoder: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
test_single_swap_strategy_encoder: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
test_sequential_swap_usx: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
test_sequential_swap_strategy_encoder_unwrap: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

9
src/encoding/evm/strategy_encoder/strategy_encoders.rs
View File

@@ -228,10 +228,11 @@ impl StrategyEncoder for SequentialSwapStrategyEncoder {
let grouped_swaps = group_swaps(&solution.swaps);
let mut wrap = false;
let (mut wrap, mut unwrap) = (false, false);
if let Some(action) = &solution.native_action {
if action == &NativeAction::Wrap {
wrap = true
match *action {
NativeAction::Wrap => wrap = true,
NativeAction::Unwrap => unwrap = true,
}
}
@@ -251,7 +252,7 @@ impl StrategyEncoder for SequentialSwapStrategyEncoder {
let next_swap = grouped_swaps.get(i + 1);
let (swap_receiver, next_swap_optimization) = self
.transfer_optimization
.get_receiver(&solution.receiver, next_swap)?;
.get_receiver(&solution.receiver, next_swap, unwrap)?;
next_in_between_swap_optimization_allowed = next_swap_optimization;
let transfer = self

22
src/encoding/evm/strategy_encoder/transfer_optimizations.rs
View File

@@ -82,6 +82,7 @@ impl TransferOptimization {
&self,
solution_receiver: &Bytes,
next_swap: Option<&SwapGroup>,
unwrap: bool,
) -> Result<(Bytes, bool), EncodingError> {
if let Some(next) = next_swap {
// if the protocol of the next swap supports transfer in optimization
@@ -104,7 +105,11 @@ impl TransferOptimization {
}
} else {
// last swap - there is no next swap
Ok((solution_receiver.clone(), false))
if unwrap {
Ok((self.router_address.clone(), false))
} else {
Ok((solution_receiver.clone(), false))
}
}
}
}
@@ -204,16 +209,19 @@ mod tests {
}
#[rstest]
// there is no next swap -> receiver is the solution receiver
#[case(None, receiver(), false)]
// there is no next swap but there is an unwrap -> receiver is the router
#[case(None, true, router_address(), false)]
// there is no next swap and no unwrap -> receiver is the solution receiver
#[case(None, false, receiver(), false)]
// protocol of next swap supports transfer in optimization
#[case(Some("uniswap_v2"), component_id(), true)]
#[case(Some("uniswap_v2"), false, component_id(), true)]
// protocol of next swap supports transfer in optimization but is callback constrained
#[case(Some("uniswap_v3"), router_address(), false)]
#[case(Some("uniswap_v3"), false, router_address(), false)]
// protocol of next swap does not support transfer in optimization
#[case(Some("vm:curve"), router_address(), false)]
#[case(Some("vm:curve"), false, router_address(), false)]
fn test_get_receiver(
#[case] protocol: Option<&str>,
#[case] unwrap: bool,
#[case] expected_receiver: Bytes,
#[case] expected_optimization: bool,
) {
@@ -247,7 +255,7 @@ mod tests {
})
};
let result = optimization.get_receiver(&receiver(), next_swap.as_ref());
let result = optimization.get_receiver(&receiver(), next_swap.as_ref(), unwrap);
assert!(result.is_ok());
let (actual_receiver, optimization_flag) = result.unwrap();

76
tests/sequential_strategy_integration_tests.rs
View File

@@ -6,7 +6,7 @@ use num_bigint::{BigInt, BigUint};
use tycho_common::{models::protocol::ProtocolComponent, Bytes};
use tycho_execution::encoding::{
evm::utils::write_calldata_to_file,
models::{Solution, Swap, UserTransferType},
models::{NativeAction, Solution, Swap, UserTransferType},
};
use crate::common::{
@@ -19,7 +19,7 @@ fn test_sequential_swap_strategy_encoder() {
// Note: This test does not assert anything. It is only used to obtain integration
// test data for our router solidity test.
//
// Performs a sequential swap from WETH to USDC though WBTC using USV2 pools
// Performs a sequential swap from WETH to USDC through WBTC using USV2 pools
//
// WETH ───(USV2)──> WBTC ───(USV2)──> USDC
@@ -316,3 +316,75 @@ fn test_sequential_strategy_cyclic_swap() {
assert_eq!(hex_calldata[1224..], expected_swaps);
write_calldata_to_file("test_sequential_strategy_cyclic_swap", hex_calldata.as_str());
}
#[test]
fn test_sequential_swap_strategy_encoder_unwrap() {
// Note: This test does not assert anything. It is only used to obtain integration
// test data for our router solidity test.
//
// Performs a sequential swap from USDC to ETH through WBTC using USV2 pools and unwrapping in
// the end
//
// USDC ───(USV2)──> WBTC ───(USV2)──> WETH -> ETH
let weth = weth();
let wbtc = wbtc();
let usdc = usdc();
let swap_usdc_wbtc = Swap {
component: ProtocolComponent {
id: "0x004375Dff511095CC5A197A54140a24eFEF3A416".to_string(),
protocol_system: "uniswap_v2".to_string(),
..Default::default()
},
token_in: usdc.clone(),
token_out: wbtc.clone(),
split: 0f64,
user_data: None,
protocol_state: None,
};
let swap_wbtc_weth = Swap {
component: ProtocolComponent {
id: "0xBb2b8038a1640196FbE3e38816F3e67Cba72D940".to_string(),
protocol_system: "uniswap_v2".to_string(),
..Default::default()
},
token_in: wbtc.clone(),
token_out: weth.clone(),
split: 0f64,
user_data: None,
protocol_state: None,
};
let encoder = get_tycho_router_encoder(UserTransferType::TransferFromPermit2);
let solution = Solution {
exact_out: false,
given_token: usdc,
given_amount: BigUint::from_str("3_000_000_000").unwrap(),
checked_token: eth(),
checked_amount: BigUint::from_str("26173932").unwrap(),
sender: Bytes::from_str("0xcd09f75E2BF2A4d11F3AB23f1389FcC1621c0cc2").unwrap(),
receiver: Bytes::from_str("0xcd09f75E2BF2A4d11F3AB23f1389FcC1621c0cc2").unwrap(),
swaps: vec![swap_usdc_wbtc, swap_wbtc_weth],
native_action: Some(NativeAction::Unwrap),
};
let encoded_solution = encoder
.encode_solutions(vec![solution.clone()])
.unwrap()[0]
.clone();
let calldata = encode_tycho_router_call(
eth_chain().id(),
encoded_solution,
&solution,
&UserTransferType::TransferFromPermit2,
&eth(),
Some(get_signer()),
)
.unwrap()
.data;
let hex_calldata = encode(&calldata);
write_calldata_to_file("test_sequential_swap_strategy_encoder_unwrap", hex_calldata.as_str());
}