Liquidity.Party/tycho-protocol-sdk
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feat: move initial lp fee to static attributes (#161)

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This initial lp fee value is used for generating the PoolKey. It is static and should be part of the ProtocolComponent static attributes.
This commit is contained in:
Louise Poole
2025-02-18 15:01:38 +02:00
committed by GitHub
parent b1e7ba9e2f
commit 20165c271e
5 changed files with 16 additions and 15 deletions
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23
substreams/ethereum-uniswap-v4/src/modules/1_map_pool_created.rs
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@@ -37,22 +37,11 @@ fn get_new_pools(
entity_changes: vec![EntityChanges {
component_id: event.id.to_vec().to_hex(),
attributes: vec![
// Represents the pool's LP Fee. The fee is either static or dynamic.
// Static fees are represented in hundredths of a bip, and can be set to a
// value between 0 and 1000000 (100%) and are immutable. If
// the value is set to 0x800000 (1 in the most significant bit of uint24) then
// the pool has a dynamic fee. This pool is initialized
// with 0 fee which can be changed later via hooks (dynamic fee).
Attribute {
name: "balance_owner".to_string(),
value: hex::decode(pool_manager_address).unwrap(),
change: ChangeType::Creation.into(),
},
Attribute {
name: "fee".to_string(),
value: event.fee.to_signed_bytes_be(),
change: ChangeType::Creation.into(),
},
Attribute {
name: "liquidity".to_string(),
value: BigInt::from(0).to_signed_bytes_be(),
@@ -102,6 +91,18 @@ fn get_new_pools(
value: event.hooks.to_vec(),
change: ChangeType::Creation.into(),
},
// Represents the pool's LP Fee. The fee is either static or dynamic. Static
// fees are represented in hundredths of a bip, can be set to a value between 0
// and 1000000 (100%) and are immutable. If the value is set to 0x800000 then
// the pool is flagged as using dynamic fees. The dynamic fees changes should
// be tracked in state attributes and the flag value set
// here should remain untouched (it is needed for
// generating the PoolKey for contract interactions).
Attribute {
name: "key_lp_fee".to_string(),
value: event.fee.to_signed_bytes_be(),
change: ChangeType::Creation.into(),
},
],
change: i32::from(ChangeType::Creation),
protocol_type: Some(ProtocolType {