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feat(usv2): set default balances on pool creation

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Louise Poole
2024-10-25 15:15:49 +02:00
parent 3013cd9bfd
commit 02227937ad
3 changed files with 16 additions and 5 deletions
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2
substreams/Cargo.lock generated
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@@ -310,7 +310,7 @@ dependencies = [
[[package]] [[package]]
name = "ethereum-uniswap-v2" name = "ethereum-uniswap-v2"
version = "0.3.0" version = "0.3.1"
dependencies = [ dependencies = [
"anyhow", "anyhow",
"ethabi 18.0.0", "ethabi 18.0.0",

2
substreams/ethereum-uniswap-v2/Cargo.toml
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@@ -1,6 +1,6 @@
[package] [package]
name = "ethereum-uniswap-v2" name = "ethereum-uniswap-v2"
version = "0.3.0" version = "0.3.1"
edition = "2021" edition = "2021"
[lib] [lib]

17
substreams/ethereum-uniswap-v2/src/modules/1_map_pool_created.rs
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@@ -58,7 +58,7 @@ fn get_pools(block: &eth::Block, new_pools: &mut Vec<TransactionChanges>, params
}], }],
component_changes: vec![ProtocolComponent { component_changes: vec![ProtocolComponent {
id: event.pair.to_hex(), id: event.pair.to_hex(),
tokens: vec![event.token0, event.token1], tokens: vec![event.token0.clone(), event.token1.clone()],
contracts: vec![], contracts: vec![],
static_att: vec![ static_att: vec![
// Trading Fee is hardcoded to 0.3%, saved as int in bps (basis points) // Trading Fee is hardcoded to 0.3%, saved as int in bps (basis points)
@@ -69,7 +69,7 @@ fn get_pools(block: &eth::Block, new_pools: &mut Vec<TransactionChanges>, params
}, },
Attribute { Attribute {
name: "pool_address".to_string(), name: "pool_address".to_string(),
value: event.pair, value: event.pair.clone(),
change: ChangeType::Creation.into(), change: ChangeType::Creation.into(),
}, },
], ],
@@ -82,7 +82,18 @@ fn get_pools(block: &eth::Block, new_pools: &mut Vec<TransactionChanges>, params
}), }),
tx: Some(tycho_tx), tx: Some(tycho_tx),
}], }],
balance_changes: vec![], balance_changes: vec![
BalanceChange {
token: event.token0,
balance: BigInt::from(0).to_signed_bytes_be(),
component_id: event.pair.clone(),
},
BalanceChange {
token: event.token1,
balance: BigInt::from(0).to_signed_bytes_be(),
component_id: event.pair,
},
],
}) })
}; };