Liquidity.Party/tycho-execution
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

feat: SingleSwapStrategyEncoder

Browse Source 
- Had to take the implementation of the swap header encoding out of the main EVMStrategyEncoder trait, since it will now be difference for single and split swap strategies.
- Integration tests will be added in separate task/PR.
This commit is contained in:
TAMARA LIPOWSKI
2025-03-26 16:05:54 +01:00
committed by Diana Carvalho
parent f12bebcdfb
commit a5f07a25ef
1 changed files with 91 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
src/encoding/evm/strategy_encoder/strategy_encoders.rs
View File

@@ -916,7 +916,7 @@ mod tests {
Some(private_key),
Bytes::from("0x3Ede3eCa2a72B3aeCC820E955B36f38437D01395"),
)
.unwrap();
.unwrap();
let solution = Solution {
exact_out: false,
given_token: weth,
@@ -951,15 +951,15 @@ mod tests {
// it's hard to assert
let expected_swap = String::from(concat!(
// length of swap bytes
"0000000000000000000000000000000000000000000000000000000000000051",
"5615deb798bb3e4dfa0139dfa1b3d433cc23b72f", // executor address
"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", // token in
"a478c2975ab1ea89e8196811f51a7b7ade33eb11", // component id
"3ede3eca2a72b3aecc820e955b36f38437d01395", // receiver
"00", // zero2one
"00", // exact out
"0000000000000000000000000000", // padding
// length of swap bytes
"0000000000000000000000000000000000000000000000000000000000000051",
"5615deb798bb3e4dfa0139dfa1b3d433cc23b72f", // executor address
"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", // token in
"a478c2975ab1ea89e8196811f51a7b7ade33eb11", // component id
"3ede3eca2a72b3aecc820e955b36f38437d01395", // receiver
"00", // zero2one
"00", // exact out
"0000000000000000000000000000", // padding
));
let hex_calldata = encode(&calldata);
@@ -1362,6 +1362,85 @@ mod tests {
println!("{}", hex_calldata);
}
#[test]
fn test_single_swap_strategy_encoder_no_permit2() {
// Performs a single swap from WETH to DAI on a USV2 pool, without permit2 and no grouping
// optimizations.
let weth = Bytes::from_str("0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2").unwrap();
let dai = Bytes::from_str("0x6b175474e89094c44da98b954eedeac495271d0f").unwrap();
let expected_amount = Some(BigUint::from_str("2_650_000000000000000000").unwrap());
let slippage = Some(0.01f64);
let checked_amount = Some(BigUint::from_str("2_640_000000000000000000").unwrap());
let expected_min_amount = U256::from_str("2_640_000000000000000000").unwrap();
let swap = Swap {
component: ProtocolComponent {
id: "0xA478c2975Ab1Ea89e8196811F51A7B7Ade33eB11".to_string(),
protocol_system: "uniswap_v2".to_string(),
..Default::default()
},
token_in: weth.clone(),
token_out: dai.clone(),
split: 0f64,
};
let swap_encoder_registry = get_swap_encoder_registry();
let encoder = SingleSwapStrategyEncoder::new(
eth_chain(),
swap_encoder_registry,
None,
Bytes::from_str("0x3Ede3eCa2a72B3aeCC820E955B36f38437D01395").unwrap(),
)
.unwrap();
let solution = Solution {
exact_out: false,
given_token: weth,
given_amount: BigUint::from_str("1_000000000000000000").unwrap(),
checked_token: dai,
expected_amount,
slippage,
checked_amount,
sender: Bytes::from_str("0xcd09f75E2BF2A4d11F3AB23f1389FcC1621c0cc2").unwrap(),
receiver: Bytes::from_str("0xcd09f75E2BF2A4d11F3AB23f1389FcC1621c0cc2").unwrap(),
router_address: Bytes::from_str("0x3Ede3eCa2a72B3aeCC820E955B36f38437D01395").unwrap(),
swaps: vec![swap],
..Default::default()
};
let (calldata, _) = encoder
.encode_strategy(solution)
.unwrap();
let expected_min_amount_encoded = hex::encode(U256::abi_encode(&expected_min_amount));
let expected_input = [
"0f6cbbe8", // Function selector
"0000000000000000000000000000000000000000000000000de0b6b3a7640000", // amount out
"000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", // token in
"0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f", // token out
&expected_min_amount_encoded, // min amount out
"0000000000000000000000000000000000000000000000000000000000000000", // wrap
"0000000000000000000000000000000000000000000000000000000000000000", // unwrap
"000000000000000000000000cd09f75e2bf2a4d11f3ab23f1389fcc1621c0cc2", // receiver
"0000000000000000000000000000000000000000000000000000000000000100", // offset of swap bytes
"0000000000000000000000000000000000000000000000000000000000000051", // length of swap bytes without padding
// Swap data
"f6c5be66fff9dc69962d73da0a617a827c382329", // executor address
"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", // token in
"a478c2975ab1ea89e8196811f51a7b7ade33eb11", // component id
"3ede3eca2a72b3aecc820e955b36f38437d01395", // receiver
"00", // zero2one
"00", // exact out
"0000000000000000000000000000", // padding
]
.join("");
let hex_calldata = encode(&calldata);
assert_eq!(hex_calldata, expected_input);
println!("{}", hex_calldata);
}
#[test]
fn test_split_encoding_strategy_ekubo() {
// ETH ──(EKUBO)──> USDC
@@ -1397,7 +1476,7 @@ mod tests {
None,
Some(Bytes::from_str("0x1d1499e622D69689cdf9004d05Ec547d650Ff211").unwrap()),
)
.unwrap();
.unwrap();
let solution = Solution {
exact_out: false,
@@ -1423,7 +1502,7 @@ mod tests {
}
#[test]
fn test_single_swap_strategy_encoder_no_permit2() {
fn test_split_swap_strategy_encoder_simple_route_no_permit2() {
// Performs a single swap from WETH to DAI on a USV2 pool, without permit2 and no grouping
// optimizations.