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fix: in hashflow's encode_swap, fail early if router address is not present

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adrian
2025-08-20 10:07:16 +02:00
committed by Adrian Benavides
parent 2b9f9a99f2
commit c506f2c048
1 changed files with 20 additions and 19 deletions
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39
src/encoding/evm/swap_encoder/swap_encoders.rs
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@@ -888,27 +888,28 @@ impl SwapEncoder for HashflowSwapEncoder {
encoding_context: &EncodingContext,
) -> Result<Vec<u8>, EncodingError> {
// Native tokens doesn't need approval, only ERC20 tokens do
let approval_needed: bool;
if let Some(router_address) = &encoding_context.router_address {
let tycho_router_address = bytes_to_address(router_address)?;
let hashflow_router_address = Address::from_str(&self.hashflow_router_address)
.map_err(|_| {
EncodingError::FatalError("Invalid hashflow router address address".to_string())
})?;
let sender = encoding_context
.router_address
.clone()
.ok_or(EncodingError::FatalError(
"The router address is needed to perform a Hashflow swap".to_string(),
))?;
let tycho_router_address = bytes_to_address(&sender)?;
let hashflow_router_address =
Address::from_str(&self.hashflow_router_address).map_err(|_| {
EncodingError::FatalError("Invalid hashflow router address address".to_string())
})?;
// Native ETH doesn't need approval, only ERC20 tokens do
if swap.token_in == self.native_token_address {
approval_needed = false;
} else {
approval_needed = ProtocolApprovalsManager::new()?.approval_needed(
bytes_to_address(&swap.token_in)?,
tycho_router_address,
hashflow_router_address,
)?;
}
// Native ETH doesn't need approval, only ERC20 tokens do
let approval_needed = if swap.token_in == self.native_token_address {
false
} else {
approval_needed = true;
}
ProtocolApprovalsManager::new()?.approval_needed(
bytes_to_address(&swap.token_in)?,
tycho_router_address,
hashflow_router_address,
)?
};
// Get quote
let protocol_state = swap