Liquidity.Party/tycho-protocol-sdk
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fix(curve): some general fixes including

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Bytes decoding from BalanceChange, sort  BlockBalanceDeltas, transform `0xeeee...` into `0x000...` for consistency, and add a placeholder for missing tokens in `get_token_from_pool`.
This commit is contained in:
Florian Pellissier
2024-06-14 19:14:21 +02:00
parent 184cd443fe
commit c7d18d447a
7 changed files with 53 additions and 15 deletions
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26
substreams/ethereum-curve/src/pool_changes.rs
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@@ -26,7 +26,7 @@ pub fn emit_deltas(tx: &TransactionTrace, tokens_store: &StoreGetString) -> Vec<
tx.logs_with_calls()
.into_iter()
.filter_map(|(log, _)| {
let transfer = abi::ERC20::events::Transfer::match_and_decode(log)?;
let transfer = abi::erc20::events::Transfer::match_and_decode(log)?;
let (component_id, pool_tokens, is_incoming) =
if let Some(pool_tokens) = get_pool_tokens(&transfer.to, tokens_store) {
@@ -75,7 +75,9 @@ pub fn emit_eth_deltas(tx: &TransactionTrace, tokens_store: &StoreGetString) ->
.balance_changes
.iter()
.filter_map(|balance_change| {
if let Some(pool_tokens) = get_pool_tokens(&call.call.address, tokens_store) {
if let Some(pool_tokens) =
get_pool_tokens(&balance_change.address, tokens_store)
{
let token = if pool_tokens.contains(&hex::encode(ETH_ADDRESS)) {
ETH_ADDRESS.to_vec()
} else if pool_tokens.contains(&hex::encode(WETH_ADDRESS)) {
@@ -88,11 +90,19 @@ pub fn emit_eth_deltas(tx: &TransactionTrace, tokens_store: &StoreGetString) ->
// We need to convert to the usable `BigInt` type to be able to calculate
// subtraction. This is seemingly the easiest way to do this.
let delta =
BigInt::from_store_bytes(&balance_change.new_value.clone()?.bytes) -
BigInt::from_store_bytes(
&balance_change.old_value.clone()?.bytes,
);
let delta = BigInt::from_unsigned_bytes_be(
&balance_change
.new_value
.clone()
.unwrap_or_default()
.bytes,
) - BigInt::from_unsigned_bytes_be(
&balance_change
.old_value
.clone()
.unwrap_or_default()
.bytes,
);
Some(BalanceDelta {
ord: call.call.end_ordinal,
tx: Some(Transaction {
@@ -103,7 +113,7 @@ pub fn emit_eth_deltas(tx: &TransactionTrace, tokens_store: &StoreGetString) ->
}),
token,
delta: delta.to_signed_bytes_be(),
component_id: call.call.address.clone(),
component_id: hex::encode(balance_change.address.clone()).into(),
})
} else {
None