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Integrate balancer substream with sdk.

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We defer the contract storage extraction as well as the balance handling (apart from actually extracing relative deltas) to the SDK.
This commit is contained in:
kayibal
2024-03-13 21:06:55 +00:00
parent 3d248f3fa1
commit d9fe9b1e1c
10 changed files with 102 additions and 650 deletions
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12
substreams/ethereum-balancer/Cargo.lock generated
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@@ -931,6 +931,7 @@ dependencies = [
"prost-types 0.12.3",
"substreams",
"substreams-ethereum",
"tycho-substreams",
]
[[package]]
@@ -1064,6 +1065,17 @@ dependencies = [
"winnow",
]
[[package]]
name = "tycho-substreams"
version = "0.1.0"
dependencies = [
"hex",
"itertools 0.12.0",
"prost 0.11.9",
"substreams",
"substreams-ethereum",
]
[[package]]
name = "typenum"
version = "1.17.0"

1
substreams/ethereum-balancer/Cargo.toml
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@@ -19,6 +19,7 @@ anyhow = "1.0.75"
prost-types = "0.12.3"
num-bigint = "0.4.4"
itertools = "0.12.0"
tycho-substreams = {path ="../../crates/tycho-substreams"}
[build-dependencies]
anyhow = "1"

211
substreams/ethereum-balancer/src/contract_changes.rs
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@@ -1,211 +0,0 @@
/// This file contains helpers to capture contract changes from the expanded block model. These
/// leverage the `code_changes`, `balance_changes`, and `storage_changes` fields available on the
/// `Call` type provided by block model in a substream (i.e. `logs_and_calls`, etc).
///
/// ⚠️ These helpers *only* work if the **expanded block model** is available, more info blow.
/// https://streamingfastio.medium.com/new-block-model-to-accelerate-chain-integration-9f65126e5425
use std::collections::HashMap;
use substreams_ethereum::pb::eth;
use pb::tycho::evm::v1::{self as tycho};
use substreams::store::{StoreGet, StoreGetInt64};
use crate::pb;
struct SlotValue {
new_value: Vec<u8>,
start_value: Vec<u8>,
}
impl SlotValue {
fn has_changed(&self) -> bool {
self.start_value != self.new_value
}
}
// Uses a map for slots, protobuf does not allow bytes in hashmap keys
pub struct InterimContractChange {
address: Vec<u8>,
balance: Vec<u8>,
code: Vec<u8>,
slots: HashMap<Vec<u8>, SlotValue>,
change: tycho::ChangeType,
}
impl From<InterimContractChange> for tycho::ContractChange {
fn from(value: InterimContractChange) -> Self {
tycho::ContractChange {
address: value.address,
balance: value.balance,
code: value.code,
slots: value
.slots
.into_iter()
.filter(|(_, value)| value.has_changed())
.map(|(slot, value)| tycho::ContractSlot {
slot,
value: value.new_value,
})
.collect(),
change: value.change.into(),
}
}
}
pub fn extract_contract_changes(
block: &eth::v2::Block,
contracts: StoreGetInt64,
transaction_contract_changes: &mut HashMap<u64, tycho::TransactionContractChanges>,
) {
let mut changed_contracts: HashMap<Vec<u8>, InterimContractChange> = HashMap::new();
// Collect all accounts created in this block
let created_accounts: HashMap<_, _> = block
.transactions()
.flat_map(|tx| {
tx.calls.iter().flat_map(|call| {
call.account_creations
.iter()
.map(|ac| (&ac.account, ac.ordinal))
})
})
.collect();
block.transactions().for_each(|block_tx| {
let mut storage_changes = Vec::new();
let mut balance_changes = Vec::new();
let mut code_changes = Vec::new();
block_tx
.calls
.iter()
.filter(|call| {
!call.state_reverted
&& contracts
.get_last(format!("pool:{0}", hex::encode(&call.address)))
.is_some()
})
.for_each(|call| {
storage_changes.extend(call.storage_changes.iter());
balance_changes.extend(call.balance_changes.iter());
code_changes.extend(call.code_changes.iter());
});
storage_changes.sort_unstable_by_key(|change| change.ordinal);
balance_changes.sort_unstable_by_key(|change| change.ordinal);
code_changes.sort_unstable_by_key(|change| change.ordinal);
storage_changes
.iter()
.filter(|changes| {
contracts
.get_last(format!("pool:{0}", hex::encode(&changes.address)))
.is_some()
})
.for_each(|storage_change| {
let contract_change = changed_contracts
.entry(storage_change.address.clone())
.or_insert_with(|| InterimContractChange {
address: storage_change.address.clone(),
balance: Vec::new(),
code: Vec::new(),
slots: HashMap::new(),
change: if created_accounts.contains_key(&storage_change.address) {
tycho::ChangeType::Creation
} else {
tycho::ChangeType::Update
},
});
let slot_value = contract_change
.slots
.entry(storage_change.key.clone())
.or_insert_with(|| SlotValue {
new_value: storage_change.new_value.clone(),
start_value: storage_change.old_value.clone(),
});
slot_value
.new_value
.copy_from_slice(&storage_change.new_value);
});
balance_changes
.iter()
.filter(|changes| {
contracts
.get_last(format!("pool:{0}", hex::encode(&changes.address)))
.is_some()
})
.for_each(|balance_change| {
let contract_change = changed_contracts
.entry(balance_change.address.clone())
.or_insert_with(|| InterimContractChange {
address: balance_change.address.clone(),
balance: Vec::new(),
code: Vec::new(),
slots: HashMap::new(),
change: if created_accounts.contains_key(&balance_change.address) {
tycho::ChangeType::Creation
} else {
tycho::ChangeType::Update
},
});
if let Some(new_balance) = &balance_change.new_value {
contract_change.balance.clear();
contract_change
.balance
.extend_from_slice(&new_balance.bytes);
}
});
code_changes
.iter()
.filter(|changes| {
contracts
.get_last(format!("pool:{0}", hex::encode(&changes.address)))
.is_some()
})
.for_each(|code_change| {
let contract_change = changed_contracts
.entry(code_change.address.clone())
.or_insert_with(|| InterimContractChange {
address: code_change.address.clone(),
balance: Vec::new(),
code: Vec::new(),
slots: HashMap::new(),
change: if created_accounts.contains_key(&code_change.address) {
tycho::ChangeType::Creation
} else {
tycho::ChangeType::Update
},
});
contract_change.code.clear();
contract_change
.code
.extend_from_slice(&code_change.new_code);
});
if !storage_changes.is_empty() || !balance_changes.is_empty() || !code_changes.is_empty() {
transaction_contract_changes
.entry(block_tx.index.into())
.or_insert_with(|| tycho::TransactionContractChanges {
tx: Some(tycho::Transaction {
hash: block_tx.hash.clone(),
from: block_tx.from.clone(),
to: block_tx.to.clone(),
index: block_tx.index as u64,
}),
contract_changes: vec![],
component_changes: vec![],
balance_changes: vec![],
})
.contract_changes
.extend(changed_contracts.drain().map(|(_, change)| change.into()));
}
});
}

2
substreams/ethereum-balancer/src/lib.rs
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@@ -1,5 +1,3 @@
mod abi;
mod contract_changes;
mod modules;
mod pb;
mod pool_factories;

115
substreams/ethereum-balancer/src/modules.rs
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@@ -1,27 +1,20 @@
use std::collections::HashMap;
use std::str::FromStr;
use crate::{abi, pool_factories};
use anyhow::Result;
use itertools::Itertools;
use std::collections::HashMap;
use substreams::hex;
use substreams::pb::substreams::StoreDeltas;
use substreams::store::{
StoreAdd, StoreAddBigInt, StoreAddInt64, StoreGet, StoreGetInt64, StoreNew,
};
use substreams::key;
use substreams::scalar::BigInt;
use substreams_ethereum::pb::eth;
use itertools::Itertools;
use contract_changes::extract_contract_changes;
use substreams_ethereum::Event;
use crate::pb::tycho::evm::v1::{self as tycho};
use crate::pb::tycho::evm::v1::{BalanceDelta, BlockBalanceDeltas, BlockTransactionProtocolComponents, TransactionProtocolComponents};
use crate::{abi, contract_changes, pool_factories};
use tycho_substreams::balances;
use tycho_substreams::contract::extract_contract_changes;
use tycho_substreams::pb::tycho::evm::v1::{
self as tycho, BalanceDelta, BlockBalanceDeltas, BlockTransactionProtocolComponents,
TransactionProtocolComponents,
};
const VAULT_ADDRESS: &[u8] = &hex!("BA12222222228d8Ba445958a75a0704d566BF2C8");
@@ -110,7 +103,13 @@ pub fn map_balance_deltas(
if let Some(ev) =
abi::vault::events::PoolBalanceChanged::match_and_decode(vault_log.log)
{
let component_id = ev.pool_id[..20].to_vec();
let component_id = format!(
"0x{}",
String::from_utf8(ev.pool_id[..20].to_vec()).unwrap()
)
.as_bytes()
.to_vec();
if store
.get_last(format!("pool:{}", hex::encode(&component_id)))
.is_some()
@@ -131,7 +130,13 @@ pub fn map_balance_deltas(
}
}
} else if let Some(ev) = abi::vault::events::Swap::match_and_decode(vault_log.log) {
let component_id = ev.pool_id[..20].to_vec();
let component_id = format!(
"0x{}",
String::from_utf8(ev.pool_id[..20].to_vec()).unwrap()
)
.as_bytes()
.to_vec();
if store
.get_last(format!("pool:{}", hex::encode(&component_id)))
.is_some()
@@ -176,17 +181,7 @@ pub fn map_balance_deltas(
/// store key to ensure that there's a unique balance being tallied for each.
#[substreams::handlers::store]
pub fn store_balance_changes(deltas: BlockBalanceDeltas, store: StoreAddBigInt) {
deltas.balance_deltas.iter().for_each(|delta| {
store.add(
delta.ord,
format!(
"pool:{0}:token:{1}",
hex::encode(&delta.component_id),
hex::encode(&delta.token)
),
BigInt::from_signed_bytes_be(&delta.delta),
);
});
balances::store_balance_changes(deltas, store);
}
/// This is the main map that handles most of the indexing of this substream.
@@ -215,67 +210,37 @@ pub fn map_changes(
.iter()
.for_each(|tx_component| {
let tx = tx_component.tx.as_ref().unwrap();
transaction_contract_changes
.entry(tx.index)
.or_insert_with(|| tycho::TransactionContractChanges {
tx: Some(tx.clone()),
contract_changes: vec![],
component_changes: vec![],
balance_changes: vec![],
})
.or_insert_with(|| tycho::TransactionContractChanges::new(&tx))
.component_changes
.extend_from_slice(&tx_component.components);
});
// Balance changes are gathered by the `StoreDelta` based on `PoolBalanceChanged` creating
// `BlockBalanceDeltas`. We essentially just process the changes that occured to the `store` this
// `BlockBalanceDeltas`. We essentially just process the changes that occurred to the `store` this
// block. Then, these balance changes are merged onto the existing map of tx contract changes,
// inserting a new one if it doesn't exist.
balance_store
.deltas
balances::aggregate_balances_changes(balance_store, deltas)
.into_iter()
.zip(deltas.balance_deltas)
.map(|(store_delta, balance_delta)| {
let pool_id = key::segment_at(&store_delta.key, 1);
let token_id = key::segment_at(&store_delta.key, 3);
// store_delta.new_value is an ASCII string representing an integer
let ascii_string =
String::from_utf8(store_delta.new_value.clone()).expect("Invalid UTF-8 sequence");
let balance = BigInt::from_str(&ascii_string).expect("Failed to parse integer");
let big_endian_bytes_balance = balance.to_bytes_be().1;
(
balance_delta.tx.unwrap(),
tycho::BalanceChange {
token: hex::decode(token_id).expect("Token ID not valid hex"),
balance: big_endian_bytes_balance,
component_id: pool_id.as_bytes().to_vec(),
},
)
})
// We need to group the balance changes by tx hash for the `TransactionContractChanges` agg
.group_by(|(tx, _)| TransactionWrapper(tx.clone()))
.into_iter()
.for_each(|(tx_wrapped, group)| {
let tx = tx_wrapped.0;
.for_each(|(_, (tx, balances))| {
transaction_contract_changes
.entry(tx.index)
.or_insert_with(|| tycho::TransactionContractChanges {
tx: Some(tx.clone()),
contract_changes: vec![],
component_changes: vec![],
balance_changes: vec![],
})
.or_insert_with(|| tycho::TransactionContractChanges::new(&tx))
.balance_changes
.extend(group.map(|(_, change)| change));
.extend(balances.into_iter().map(|(_, change)| change));
});
// General helper for extracting contract changes. Uses block, our component store which holds
// all of our tracked deployed pool addresses, and the map of tx contract changes which we
// output into for final processing later.
extract_contract_changes(&block, components_store, &mut transaction_contract_changes);
// Extract and insert any storage changes that happened for any of the components.
extract_contract_changes(
&block,
|addr| {
components_store
.get_last(format!("pool:{0}", hex::encode(&addr)))
.is_some()
},
&mut transaction_contract_changes,
);
// Process all `transaction_contract_changes` for final output in the `BlockContractChanges`,
// sorted by transaction index (the key).

10
substreams/ethereum-balancer/src/pb/mod.rs
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@@ -1,10 +0,0 @@
// @generated
pub mod tycho {
pub mod evm {
// @@protoc_insertion_point(attribute:tycho.evm.v1)
pub mod v1 {
include!("tycho.evm.v1.rs");
// @@protoc_insertion_point(tycho.evm.v1)
}
}
}

319
substreams/ethereum-balancer/src/pb/tycho.evm.v1.rs
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@@ -1,319 +0,0 @@
// @generated
// This file contains the proto definitions for Substreams common to all integrations.
/// A struct describing a block.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Block {
/// The blocks hash.
#[prost(bytes="vec", tag="1")]
pub hash: ::prost::alloc::vec::Vec<u8>,
/// The parent blocks hash.
#[prost(bytes="vec", tag="2")]
pub parent_hash: ::prost::alloc::vec::Vec<u8>,
/// The block number.
#[prost(uint64, tag="3")]
pub number: u64,
/// The block timestamp.
#[prost(uint64, tag="4")]
pub ts: u64,
}
/// A struct describing a transaction.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Transaction {
/// The transaction hash.
#[prost(bytes="vec", tag="1")]
pub hash: ::prost::alloc::vec::Vec<u8>,
/// The sender of the transaction.
#[prost(bytes="vec", tag="2")]
pub from: ::prost::alloc::vec::Vec<u8>,
/// The receiver of the transaction.
#[prost(bytes="vec", tag="3")]
pub to: ::prost::alloc::vec::Vec<u8>,
/// The transactions index within the block.
/// TODO: should this be uint32? to match the type from the native substream type?
#[prost(uint64, tag="4")]
pub index: u64,
}
/// A custom struct representing an arbitrary attribute of a protocol component.
/// This is mainly used by the native integration to track the necessary information about the protocol.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Attribute {
/// The name of the attribute.
#[prost(string, tag="1")]
pub name: ::prost::alloc::string::String,
/// The value of the attribute.
#[prost(bytes="vec", tag="2")]
pub value: ::prost::alloc::vec::Vec<u8>,
/// The type of change the attribute underwent.
#[prost(enumeration="ChangeType", tag="3")]
pub change: i32,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ProtocolType {
#[prost(string, tag="1")]
pub name: ::prost::alloc::string::String,
#[prost(enumeration="FinancialType", tag="2")]
pub financial_type: i32,
#[prost(message, repeated, tag="3")]
pub attribute_schema: ::prost::alloc::vec::Vec<Attribute>,
#[prost(enumeration="ImplementationType", tag="4")]
pub implementation_type: i32,
}
/// A struct describing a part of the protocol.
/// Note: For example this can be a UniswapV2 pair, that tracks the two ERC20 tokens used by the pair,
/// the component would represent a single contract. In case of VM integration, such component would
/// not need any attributes, because all the relevant info would be tracked via storage slots and balance changes.
/// It can also be a wrapping contract, like WETH, that has a constant price, but it allows swapping tokens.
/// This is why the name ProtocolComponent is used instead of "Pool" or "Pair".
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ProtocolComponent {
/// A unique identifier for the component within the protocol.
/// Can be e.g. a stringified address or a string describing the trading pair.
#[prost(string, tag="1")]
pub id: ::prost::alloc::string::String,
/// Addresses of the ERC20 tokens used by the component.
#[prost(bytes="vec", repeated, tag="2")]
pub tokens: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
/// Addresses of the contracts used by the component.
/// Usually it is a single contract, but some protocols use multiple contracts.
#[prost(bytes="vec", repeated, tag="3")]
pub contracts: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
/// Attributes of the component. Used mainly be the native integration.
/// The inner ChangeType of the attribute has to match the ChangeType of the ProtocolComponent.
#[prost(message, repeated, tag="4")]
pub static_att: ::prost::alloc::vec::Vec<Attribute>,
/// Type of change the component underwent.
#[prost(enumeration="ChangeType", tag="5")]
pub change: i32,
/// / Represents the functionality of the component.
#[prost(message, optional, tag="6")]
pub protocol_type: ::core::option::Option<ProtocolType>,
/// Transaction where this component was created
#[prost(message, optional, tag="7")]
pub tx: ::core::option::Option<Transaction>,
}
/// A struct for following the changes of Total Value Locked (TVL) of a protocol component.
/// Note that if a ProtocolComponent contains multiple contracts, the TVL is tracked for the component as a whole.
/// E.g. for UniswapV2 pair WETH/USDC, this tracks the USDC and WETH balance of the pair contract.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BalanceChange {
/// The address of the ERC20 token whose balance changed.
#[prost(bytes="vec", tag="1")]
pub token: ::prost::alloc::vec::Vec<u8>,
/// The new balance of the token. Note: it must be a big endian encoded int.
#[prost(bytes="vec", tag="2")]
pub balance: ::prost::alloc::vec::Vec<u8>,
/// The id of the component whose TVL is tracked. Note: This MUST be utf8 encoded.
/// If the protocol component includes multiple contracts, the balance change must be aggregated to reflect how much tokens can be traded.
#[prost(bytes="vec", tag="3")]
pub component_id: ::prost::alloc::vec::Vec<u8>,
}
/// Enum to specify the type of a change.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum ChangeType {
Unspecified = 0,
Update = 1,
Creation = 2,
Deletion = 3,
}
impl ChangeType {
/// String value of the enum field names used in the ProtoBuf definition.
///
/// The values are not transformed in any way and thus are considered stable
/// (if the ProtoBuf definition does not change) and safe for programmatic use.
pub fn as_str_name(&self) -> &'static str {
match self {
ChangeType::Unspecified => "CHANGE_TYPE_UNSPECIFIED",
ChangeType::Update => "CHANGE_TYPE_UPDATE",
ChangeType::Creation => "CHANGE_TYPE_CREATION",
ChangeType::Deletion => "CHANGE_TYPE_DELETION",
}
}
/// Creates an enum from field names used in the ProtoBuf definition.
pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
match value {
"CHANGE_TYPE_UNSPECIFIED" => Some(Self::Unspecified),
"CHANGE_TYPE_UPDATE" => Some(Self::Update),
"CHANGE_TYPE_CREATION" => Some(Self::Creation),
"CHANGE_TYPE_DELETION" => Some(Self::Deletion),
_ => None,
}
}
}
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum FinancialType {
Swap = 0,
Lend = 1,
Leverage = 2,
Psm = 3,
}
impl FinancialType {
/// String value of the enum field names used in the ProtoBuf definition.
///
/// The values are not transformed in any way and thus are considered stable
/// (if the ProtoBuf definition does not change) and safe for programmatic use.
pub fn as_str_name(&self) -> &'static str {
match self {
FinancialType::Swap => "SWAP",
FinancialType::Lend => "LEND",
FinancialType::Leverage => "LEVERAGE",
FinancialType::Psm => "PSM",
}
}
/// Creates an enum from field names used in the ProtoBuf definition.
pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
match value {
"SWAP" => Some(Self::Swap),
"LEND" => Some(Self::Lend),
"LEVERAGE" => Some(Self::Leverage),
"PSM" => Some(Self::Psm),
_ => None,
}
}
}
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum ImplementationType {
Vm = 0,
Custom = 1,
}
impl ImplementationType {
/// String value of the enum field names used in the ProtoBuf definition.
///
/// The values are not transformed in any way and thus are considered stable
/// (if the ProtoBuf definition does not change) and safe for programmatic use.
pub fn as_str_name(&self) -> &'static str {
match self {
ImplementationType::Vm => "VM",
ImplementationType::Custom => "CUSTOM",
}
}
/// Creates an enum from field names used in the ProtoBuf definition.
pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
match value {
"VM" => Some(Self::Vm),
"CUSTOM" => Some(Self::Custom),
_ => None,
}
}
}
// This file contains proto definitions specific to the VM integration.
/// A key value entry into contract storage.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ContractSlot {
/// A contract's storage slot.
#[prost(bytes="vec", tag="2")]
pub slot: ::prost::alloc::vec::Vec<u8>,
/// The new value for this storage slot.
#[prost(bytes="vec", tag="3")]
pub value: ::prost::alloc::vec::Vec<u8>,
}
/// Changes made to a single contract's state.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ContractChange {
/// The contract's address
#[prost(bytes="vec", tag="1")]
pub address: ::prost::alloc::vec::Vec<u8>,
/// The new native balance of the contract, empty bytes indicates no change.
#[prost(bytes="vec", tag="2")]
pub balance: ::prost::alloc::vec::Vec<u8>,
/// The new code of the contract, empty bytes indicates no change.
#[prost(bytes="vec", tag="3")]
pub code: ::prost::alloc::vec::Vec<u8>,
/// The changes to this contract's slots, empty sequence indicates no change.
#[prost(message, repeated, tag="4")]
pub slots: ::prost::alloc::vec::Vec<ContractSlot>,
/// Whether this is an update, a creation or a deletion.
#[prost(enumeration="ChangeType", tag="5")]
pub change: i32,
}
/// A set of changes aggregated by transaction.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct TransactionContractChanges {
/// The transaction instance that results in the changes.
#[prost(message, optional, tag="1")]
pub tx: ::core::option::Option<Transaction>,
/// Contains the changes induced by the above transaction, aggregated on a per-contract basis.
/// Must include changes to every contract that is tracked by all ProtocolComponents.
#[prost(message, repeated, tag="2")]
pub contract_changes: ::prost::alloc::vec::Vec<ContractChange>,
/// An array of any component changes.
#[prost(message, repeated, tag="3")]
pub component_changes: ::prost::alloc::vec::Vec<ProtocolComponent>,
/// An array of balance changes to components.
#[prost(message, repeated, tag="4")]
pub balance_changes: ::prost::alloc::vec::Vec<BalanceChange>,
}
/// A set of transaction changes within a single block.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BlockContractChanges {
/// The block for which these changes are collectively computed.
#[prost(message, optional, tag="1")]
pub block: ::core::option::Option<Block>,
/// The set of transaction changes observed in the specified block.
#[prost(message, repeated, tag="2")]
pub changes: ::prost::alloc::vec::Vec<TransactionContractChanges>,
}
/// A message containing relative balance changes.
///
/// Used to track token balances of protocol components in case they are only
/// available as relative values within a block.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BalanceDelta {
/// The ordinal of the balance change. Must be unique & deterministic over all balances
/// changes within a block.
#[prost(uint64, tag="1")]
pub ord: u64,
/// The tx hash of the transaction that caused the balance change.
#[prost(message, optional, tag="2")]
pub tx: ::core::option::Option<Transaction>,
/// The address of the ERC20 token whose balance changed.
#[prost(bytes="vec", tag="3")]
pub token: ::prost::alloc::vec::Vec<u8>,
/// The delta balance of the token.
#[prost(bytes="vec", tag="4")]
pub delta: ::prost::alloc::vec::Vec<u8>,
/// The id of the component whose TVL is tracked.
/// If the protocol component includes multiple contracts, the balance change must be
/// aggregated to reflect how much tokens can be traded.
#[prost(bytes="vec", tag="5")]
pub component_id: ::prost::alloc::vec::Vec<u8>,
}
/// A set of balances deltas, usually a group of changes within a single block.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BlockBalanceDeltas {
#[prost(message, repeated, tag="1")]
pub balance_deltas: ::prost::alloc::vec::Vec<BalanceDelta>,
}
/// A message containing protocol components that were created by a single tx.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct TransactionProtocolComponents {
#[prost(message, optional, tag="1")]
pub tx: ::core::option::Option<Transaction>,
#[prost(message, repeated, tag="2")]
pub components: ::prost::alloc::vec::Vec<ProtocolComponent>,
}
/// All protocol components that were created within a block with their corresponding tx.
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BlockTransactionProtocolComponents {
#[prost(message, repeated, tag="1")]
pub tx_components: ::prost::alloc::vec::Vec<TransactionProtocolComponents>,
}
// @@protoc_insertion_point(module)

6
substreams/ethereum-balancer/src/pool_factories.rs
View File

@@ -2,10 +2,10 @@ use substreams_ethereum::pb::eth::v2::{Call, Log};
use substreams_ethereum::{Event, Function};
use crate::abi;
use crate::pb;
use crate::pb::tycho::evm::v1::{FinancialType, ImplementationType, ProtocolType, Transaction};
use pb::tycho::evm::v1::{self as tycho};
use substreams::hex;
use tycho_substreams::pb::tycho::evm::v1::{
self as tycho, FinancialType, ImplementationType, ProtocolType, Transaction,
};
use substreams::scalar::BigInt;