274 lines
13 KiB
Rust
274 lines
13 KiB
Rust
use substreams_ethereum::pb::eth::v2::{Call, Log};
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use substreams_ethereum::{Event, Function};
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use crate::abi;
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use crate::pb;
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use pb::tycho::evm::v1::{self as tycho};
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use substreams::hex;
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use substreams::scalar::BigInt;
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/// This trait defines some helpers for serializing and deserializing `Vec<BigInt` which is needed
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/// to be able to encode the `normalized_weights` and `weights` `Attribute`s. This should also be
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/// handled by any downstream application.
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trait SerializableVecBigInt {
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fn serialize_bytes(&self) -> Vec<u8>;
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fn deserialize_bytes(bytes: &[u8]) -> Vec<BigInt>;
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}
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impl SerializableVecBigInt for Vec<BigInt> {
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fn serialize_bytes(&self) -> Vec<u8> {
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self.iter()
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.flat_map(|big_int| big_int.to_signed_bytes_be())
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.collect()
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}
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fn deserialize_bytes(bytes: &[u8]) -> Vec<BigInt> {
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bytes
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.chunks_exact(32)
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.map(|chunk| BigInt::from_signed_bytes_be(chunk))
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.collect::<Vec<BigInt>>()
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}
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}
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/// This is the main function that handles the creation of `ProtocolComponent`s with `Attribute`s
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/// based on the specific factory address. There's 3 factory groups that are represented here:
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/// - Weighted Pool Factories
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/// - Linear Pool Factories
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/// - Stable Pool Factories
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/// (Balancer does have a bit more (esp. in the deprecated section) that could be implemented as
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/// desired.)
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/// We use the specific ABIs to decode both the log event and cooresponding call to gather
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/// `PoolCreated` event information alongside the `Create` calldata that provide us details to
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/// fufill both the required details + any extra `Attributes`
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/// Ref: https://docs.balancer.fi/reference/contracts/deployment-addresses/mainnet.html
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pub fn address_map(
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pool_factory_address: &[u8],
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log: &Log,
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call: &Call,
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) -> Option<tycho::ProtocolComponent> {
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match *pool_factory_address {
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hex!("897888115Ada5773E02aA29F775430BFB5F34c51") => {
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let create_call =
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abi::weighted_pool_factory::functions::Create::match_and_decode(call)?;
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let pool_created =
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abi::weighted_pool_factory::events::PoolCreated::match_and_decode(log)?;
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Some(tycho::ProtocolComponent {
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id: hex::encode(&pool_created.pool),
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tokens: create_call.tokens,
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contracts: vec![pool_factory_address.into(), pool_created.pool],
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static_att: vec![
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tycho::Attribute {
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name: "pool_type".into(),
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value: "WeightedPoolFactory".into(),
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change: tycho::ChangeType::Creation.into(),
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},
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tycho::Attribute {
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name: "normalized_weights".into(),
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value: create_call.normalized_weights.serialize_bytes(),
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change: tycho::ChangeType::Creation.into(),
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},
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],
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change: tycho::ChangeType::Creation.into(),
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})
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}
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hex!("DB8d758BCb971e482B2C45f7F8a7740283A1bd3A") => {
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let create_call =
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abi::composable_stable_pool_factory::functions::Create::match_and_decode(call)?;
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let pool_created =
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abi::composable_stable_pool_factory::events::PoolCreated::match_and_decode(log)?;
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Some(tycho::ProtocolComponent {
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id: hex::encode(&pool_created.pool),
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tokens: create_call.tokens,
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contracts: vec![pool_factory_address.into(), pool_created.pool],
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static_att: vec![
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tycho::Attribute {
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name: "pool_type".into(),
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value: "ComposableStablePoolFactory".into(),
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change: tycho::ChangeType::Creation.into(),
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},
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],
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change: tycho::ChangeType::Creation.into(),
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})
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}
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hex!("813EE7a840CE909E7Fea2117A44a90b8063bd4fd") => {
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let create_call =
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abi::erc_linear_pool_factory::functions::Create::match_and_decode(call)?;
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let pool_created =
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abi::erc_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
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Some(tycho::ProtocolComponent {
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id: hex::encode(&pool_created.pool),
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tokens: vec![create_call.main_token, create_call.wrapped_token],
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contracts: vec![pool_factory_address.into(), pool_created.pool],
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static_att: vec![
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tycho::Attribute {
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name: "pool_type".into(),
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value: "ERC4626LinearPoolFactory".into(),
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change: tycho::ChangeType::Creation.into(),
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},
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tycho::Attribute {
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name: "upper_target".into(),
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value: create_call.upper_target.to_signed_bytes_be(),
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change: tycho::ChangeType::Creation.into(),
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},
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// Note, `lower_target` is generally hardcoded for all pools, not located in call data
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// Note, rate provider might be provided as `create.protocol_id`, but as a BigInt. needs investigation
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],
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change: tycho::ChangeType::Creation.into(),
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})
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}
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hex!("5F43FBa61f63Fa6bFF101a0A0458cEA917f6B347") => {
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let create_call =
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abi::euler_linear_pool_factory::functions::Create::match_and_decode(call)?;
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let pool_created =
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abi::euler_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
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Some(tycho::ProtocolComponent {
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id: hex::encode(&pool_created.pool),
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tokens: vec![create_call.main_token, create_call.wrapped_token],
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contracts: vec![pool_factory_address.into(), pool_created.pool],
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static_att: vec![
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tycho::Attribute {
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name: "pool_type".into(),
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value: "EulerLinearPoolFactory".into(),
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change: tycho::ChangeType::Creation.into(),
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},
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tycho::Attribute {
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name: "upper_target".into(),
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value: create_call.upper_target.to_signed_bytes_be(),
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change: tycho::ChangeType::Creation.into(),
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},
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],
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change: tycho::ChangeType::Creation.into(),
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})
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}
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// ❌ Reading the deployed factory for Gearbox showcases that it's currently disabled
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// hex!("39A79EB449Fc05C92c39aA6f0e9BfaC03BE8dE5B") => {
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// let create_call =
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// abi::gearbox_linear_pool_factory::functions::Create::match_and_decode(call)?;
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// let pool_created =
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// abi::gearbox_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
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// Some(tycho::ProtocolComponent {
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// id: hex::encode(&pool_created.pool),
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// tokens: vec![create_call.main_token, create_call.wrapped_token],
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// contracts: vec![pool_addr.into(), pool_created.pool],
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// static_att: vec![
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// tycho::Attribute {
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// name: "pool_type".into(),
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// value: "GearboxLinearPoolFactory".into(),
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// change: tycho::ChangeType::Creation.into(),
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// },
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// tycho::Attribute {
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// name: "upper_target".into(),
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// value: create_call.upper_target.to_signed_bytes_be(),
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// change: tycho::ChangeType::Creation.into(),
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// },
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// ],
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// change: tycho::ChangeType::Creation.into(),
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// })
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// }
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// ❌ The `ManagedPoolFactory` is a bit ✨ unique ✨, so we'll leave it commented out for now
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// Take a look at it's `Create` call to see how the params are structured.
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// hex!("BF904F9F340745B4f0c4702c7B6Ab1e808eA6b93") => {
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// let create_call = abi::managed_pool_factory::functions::Create::match_and_decode(call)?;
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// let pool_created =
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// abi::managed_pool_factory::events::PoolCreated::match_and_decode(log)?;
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// Some(tycho::ProtocolComponent {
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// id: hex::encode(&pool_created.pool),
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// tokens: create_call.tokens,
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// contracts: vec![pool_addr.into(), pool_created.pool],
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// static_att: vec![
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// tycho::Attribute {
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// name: "pool_type".into(),
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// value: "ManagedPoolFactory".into(),
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// change: tycho::ChangeType::Creation.into(),
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// },
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// ],
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// change: tycho::ChangeType::Creation.into(),
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// })
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// }
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hex!("4E11AEec21baF1660b1a46472963cB3DA7811C89") => {
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let create_call =
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abi::silo_linear_pool_factory::functions::Create::match_and_decode(call)?;
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let pool_created =
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abi::silo_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
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Some(tycho::ProtocolComponent {
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id: hex::encode(&pool_created.pool),
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tokens: vec![create_call.main_token, create_call.wrapped_token],
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contracts: vec![pool_factory_address.into(), pool_created.pool],
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static_att: vec![
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tycho::Attribute {
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name: "pool_type".into(),
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value: "SiloLinearPoolFactory".into(),
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change: tycho::ChangeType::Creation.into(),
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},
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tycho::Attribute {
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name: "upper_target".into(),
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value: create_call.upper_target.to_signed_bytes_be(),
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change: tycho::ChangeType::Creation.into(),
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},
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],
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change: tycho::ChangeType::Creation.into(),
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})
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}
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hex!("5F5222Ffa40F2AEd6380D022184D6ea67C776eE0") => {
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let create_call =
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abi::yearn_linear_pool_factory::functions::Create::match_and_decode(call)?;
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let pool_created =
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abi::yearn_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
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Some(tycho::ProtocolComponent {
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id: hex::encode(&pool_created.pool),
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tokens: vec![create_call.main_token, create_call.wrapped_token],
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contracts: vec![pool_factory_address.into(), pool_created.pool],
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static_att: vec![
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tycho::Attribute {
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name: "pool_type".into(),
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value: "YearnLinearPoolFactory".into(),
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change: tycho::ChangeType::Creation.into(),
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},
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tycho::Attribute {
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name: "upper_target".into(),
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value: create_call.upper_target.to_signed_bytes_be(),
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change: tycho::ChangeType::Creation.into(),
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},
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],
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change: tycho::ChangeType::Creation.into(),
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})
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}
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// The `WeightedPool2TokenFactory` is a deprecated contract but we've included it since one
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// of the highest TVL pools, 80BAL-20WETH, is able to be tracked.
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hex!("A5bf2ddF098bb0Ef6d120C98217dD6B141c74EE0") => {
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let create_call =
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abi::weighted_pool_tokens_factory::functions::Create::match_and_decode(call)?;
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let pool_created =
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abi::weighted_pool_tokens_factory::events::PoolCreated::match_and_decode(log)?;
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Some(tycho::ProtocolComponent {
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id: hex::encode(&pool_created.pool),
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tokens: create_call.tokens,
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contracts: vec![pool_factory_address.into(), pool_created.pool],
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static_att: vec![
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tycho::Attribute {
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name: "pool_type".into(),
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value: "WeightedPool2TokensFactory".into(),
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change: tycho::ChangeType::Creation.into(),
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},
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tycho::Attribute {
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name: "weights".into(),
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value: create_call.weights.serialize_bytes(),
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change: tycho::ChangeType::Creation.into(),
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},
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],
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change: tycho::ChangeType::Creation.into(),
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})
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}
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_ => None,
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}
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}
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