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feat: ethereum-balancer implementation

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This commit is contained in:
0xMochan
2024-01-24 16:28:50 -05:00
parent b37ecaeeb0
commit d8ddc33f23
40 changed files with 25584 additions and 0 deletions
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substreams/ethereum-balancer/src/abi/composable_stable_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/abi/erc_linear_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/abi/euler_linear_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/abi/gearbox_linear_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/abi/managed_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/abi/mod.rs Normal file
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pub mod yearn_linear_pool_factory;
pub mod composable_stable_pool_factory;
pub mod vault;
pub mod weighted_pool_tokens_factory;
pub mod silo_linear_pool_factory;
pub mod euler_linear_pool_factory;
pub mod weighted_pool_factory;
pub mod managed_pool_factory;
pub mod erc_linear_pool_factory;
pub mod gearbox_linear_pool_factory;

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substreams/ethereum-balancer/src/abi/silo_linear_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/abi/vault.rs Normal file
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substreams/ethereum-balancer/src/abi/weighted_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/abi/weighted_pool_tokens_factory.rs Normal file
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const INTERNAL_ERR: &'static str = "`ethabi_derive` internal error";
/// Contract's functions.
#[allow(dead_code, unused_imports, unused_variables)]
pub mod functions {
use super::INTERNAL_ERR;
#[derive(Debug, Clone, PartialEq)]
pub struct Create {
pub name: String,
pub symbol: String,
pub tokens: Vec<Vec<u8>>,
pub weights: Vec<substreams::scalar::BigInt>,
pub swap_fee_percentage: substreams::scalar::BigInt,
pub oracle_enabled: bool,
pub owner: Vec<u8>,
}
impl Create {
const METHOD_ID: [u8; 4] = [21u8, 150u8, 1u8, 155u8];
pub fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
let maybe_data = call.input.get(4..);
if maybe_data.is_none() {
return Err("no data to decode".to_string());
}
let mut values = ethabi::decode(
&[
ethabi::ParamType::String,
ethabi::ParamType::String,
ethabi::ParamType::Array(
Box::new(ethabi::ParamType::Address),
),
ethabi::ParamType::Array(
Box::new(ethabi::ParamType::Uint(256usize)),
),
ethabi::ParamType::Uint(256usize),
ethabi::ParamType::Bool,
ethabi::ParamType::Address,
],
maybe_data.unwrap(),
)
.map_err(|e| format!("unable to decode call.input: {:?}", e))?;
values.reverse();
Ok(Self {
name: values
.pop()
.expect(INTERNAL_ERR)
.into_string()
.expect(INTERNAL_ERR),
symbol: values
.pop()
.expect(INTERNAL_ERR)
.into_string()
.expect(INTERNAL_ERR),
tokens: values
.pop()
.expect(INTERNAL_ERR)
.into_array()
.expect(INTERNAL_ERR)
.into_iter()
.map(|inner| {
inner.into_address().expect(INTERNAL_ERR).as_bytes().to_vec()
})
.collect(),
weights: values
.pop()
.expect(INTERNAL_ERR)
.into_array()
.expect(INTERNAL_ERR)
.into_iter()
.map(|inner| {
let mut v = [0 as u8; 32];
inner
.into_uint()
.expect(INTERNAL_ERR)
.to_big_endian(v.as_mut_slice());
substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
})
.collect(),
swap_fee_percentage: {
let mut v = [0 as u8; 32];
values
.pop()
.expect(INTERNAL_ERR)
.into_uint()
.expect(INTERNAL_ERR)
.to_big_endian(v.as_mut_slice());
substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
},
oracle_enabled: values
.pop()
.expect(INTERNAL_ERR)
.into_bool()
.expect(INTERNAL_ERR),
owner: values
.pop()
.expect(INTERNAL_ERR)
.into_address()
.expect(INTERNAL_ERR)
.as_bytes()
.to_vec(),
})
}
pub fn encode(&self) -> Vec<u8> {
let data = ethabi::encode(
&[
ethabi::Token::String(self.name.clone()),
ethabi::Token::String(self.symbol.clone()),
{
let v = self
.tokens
.iter()
.map(|inner| ethabi::Token::Address(
ethabi::Address::from_slice(&inner),
))
.collect();
ethabi::Token::Array(v)
},
{
let v = self
.weights
.iter()
.map(|inner| ethabi::Token::Uint(
ethabi::Uint::from_big_endian(
match inner.clone().to_bytes_be() {
(num_bigint::Sign::Plus, bytes) => bytes,
(num_bigint::Sign::NoSign, bytes) => bytes,
(num_bigint::Sign::Minus, _) => {
panic!("negative numbers are not supported")
}
}
.as_slice(),
),
))
.collect();
ethabi::Token::Array(v)
},
ethabi::Token::Uint(
ethabi::Uint::from_big_endian(
match self.swap_fee_percentage.clone().to_bytes_be() {
(num_bigint::Sign::Plus, bytes) => bytes,
(num_bigint::Sign::NoSign, bytes) => bytes,
(num_bigint::Sign::Minus, _) => {
panic!("negative numbers are not supported")
}
}
.as_slice(),
),
),
ethabi::Token::Bool(self.oracle_enabled.clone()),
ethabi::Token::Address(ethabi::Address::from_slice(&self.owner)),
],
);
let mut encoded = Vec::with_capacity(4 + data.len());
encoded.extend(Self::METHOD_ID);
encoded.extend(data);
encoded
}
pub fn output_call(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Vec<u8>, String> {
Self::output(call.return_data.as_ref())
}
pub fn output(data: &[u8]) -> Result<Vec<u8>, String> {
let mut values = ethabi::decode(
&[ethabi::ParamType::Address],
data.as_ref(),
)
.map_err(|e| format!("unable to decode output data: {:?}", e))?;
Ok(
values
.pop()
.expect("one output data should have existed")
.into_address()
.expect(INTERNAL_ERR)
.as_bytes()
.to_vec(),
)
}
pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
match call.input.get(0..4) {
Some(signature) => Self::METHOD_ID == signature,
None => false,
}
}
pub fn call(&self, address: Vec<u8>) -> Option<Vec<u8>> {
use substreams_ethereum::pb::eth::rpc;
let rpc_calls = rpc::RpcCalls {
calls: vec![
rpc::RpcCall { to_addr : address, data : self.encode(), }
],
};
let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
let response = responses
.get(0)
.expect("one response should have existed");
if response.failed {
return None;
}
match Self::output(response.raw.as_ref()) {
Ok(data) => Some(data),
Err(err) => {
use substreams_ethereum::Function;
substreams::log::info!(
"Call output for function `{}` failed to decode with error: {}",
Self::NAME, err
);
None
}
}
}
}
impl substreams_ethereum::Function for Create {
const NAME: &'static str = "create";
fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
Self::match_call(call)
}
fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
Self::decode(call)
}
fn encode(&self) -> Vec<u8> {
self.encode()
}
}
impl substreams_ethereum::rpc::RPCDecodable<Vec<u8>> for Create {
fn output(data: &[u8]) -> Result<Vec<u8>, String> {
Self::output(data)
}
}
#[derive(Debug, Clone, PartialEq)]
pub struct GetPauseConfiguration {}
impl GetPauseConfiguration {
const METHOD_ID: [u8; 4] = [45u8, 164u8, 124u8, 64u8];
pub fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
Ok(Self {})
}
pub fn encode(&self) -> Vec<u8> {
let data = ethabi::encode(&[]);
let mut encoded = Vec::with_capacity(4 + data.len());
encoded.extend(Self::METHOD_ID);
encoded.extend(data);
encoded
}
pub fn output_call(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<
(substreams::scalar::BigInt, substreams::scalar::BigInt),
String,
> {
Self::output(call.return_data.as_ref())
}
pub fn output(
data: &[u8],
) -> Result<
(substreams::scalar::BigInt, substreams::scalar::BigInt),
String,
> {
let mut values = ethabi::decode(
&[
ethabi::ParamType::Uint(256usize),
ethabi::ParamType::Uint(256usize),
],
data.as_ref(),
)
.map_err(|e| format!("unable to decode output data: {:?}", e))?;
values.reverse();
Ok((
{
let mut v = [0 as u8; 32];
values
.pop()
.expect(INTERNAL_ERR)
.into_uint()
.expect(INTERNAL_ERR)
.to_big_endian(v.as_mut_slice());
substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
},
{
let mut v = [0 as u8; 32];
values
.pop()
.expect(INTERNAL_ERR)
.into_uint()
.expect(INTERNAL_ERR)
.to_big_endian(v.as_mut_slice());
substreams::scalar::BigInt::from_unsigned_bytes_be(&v)
},
))
}
pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
match call.input.get(0..4) {
Some(signature) => Self::METHOD_ID == signature,
None => false,
}
}
pub fn call(
&self,
address: Vec<u8>,
) -> Option<(substreams::scalar::BigInt, substreams::scalar::BigInt)> {
use substreams_ethereum::pb::eth::rpc;
let rpc_calls = rpc::RpcCalls {
calls: vec![
rpc::RpcCall { to_addr : address, data : self.encode(), }
],
};
let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
let response = responses
.get(0)
.expect("one response should have existed");
if response.failed {
return None;
}
match Self::output(response.raw.as_ref()) {
Ok(data) => Some(data),
Err(err) => {
use substreams_ethereum::Function;
substreams::log::info!(
"Call output for function `{}` failed to decode with error: {}",
Self::NAME, err
);
None
}
}
}
}
impl substreams_ethereum::Function for GetPauseConfiguration {
const NAME: &'static str = "getPauseConfiguration";
fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
Self::match_call(call)
}
fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
Self::decode(call)
}
fn encode(&self) -> Vec<u8> {
self.encode()
}
}
impl substreams_ethereum::rpc::RPCDecodable<
(substreams::scalar::BigInt, substreams::scalar::BigInt),
> for GetPauseConfiguration {
fn output(
data: &[u8],
) -> Result<
(substreams::scalar::BigInt, substreams::scalar::BigInt),
String,
> {
Self::output(data)
}
}
#[derive(Debug, Clone, PartialEq)]
pub struct GetVault {}
impl GetVault {
const METHOD_ID: [u8; 4] = [141u8, 146u8, 138u8, 248u8];
pub fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
Ok(Self {})
}
pub fn encode(&self) -> Vec<u8> {
let data = ethabi::encode(&[]);
let mut encoded = Vec::with_capacity(4 + data.len());
encoded.extend(Self::METHOD_ID);
encoded.extend(data);
encoded
}
pub fn output_call(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Vec<u8>, String> {
Self::output(call.return_data.as_ref())
}
pub fn output(data: &[u8]) -> Result<Vec<u8>, String> {
let mut values = ethabi::decode(
&[ethabi::ParamType::Address],
data.as_ref(),
)
.map_err(|e| format!("unable to decode output data: {:?}", e))?;
Ok(
values
.pop()
.expect("one output data should have existed")
.into_address()
.expect(INTERNAL_ERR)
.as_bytes()
.to_vec(),
)
}
pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
match call.input.get(0..4) {
Some(signature) => Self::METHOD_ID == signature,
None => false,
}
}
pub fn call(&self, address: Vec<u8>) -> Option<Vec<u8>> {
use substreams_ethereum::pb::eth::rpc;
let rpc_calls = rpc::RpcCalls {
calls: vec![
rpc::RpcCall { to_addr : address, data : self.encode(), }
],
};
let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
let response = responses
.get(0)
.expect("one response should have existed");
if response.failed {
return None;
}
match Self::output(response.raw.as_ref()) {
Ok(data) => Some(data),
Err(err) => {
use substreams_ethereum::Function;
substreams::log::info!(
"Call output for function `{}` failed to decode with error: {}",
Self::NAME, err
);
None
}
}
}
}
impl substreams_ethereum::Function for GetVault {
const NAME: &'static str = "getVault";
fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
Self::match_call(call)
}
fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
Self::decode(call)
}
fn encode(&self) -> Vec<u8> {
self.encode()
}
}
impl substreams_ethereum::rpc::RPCDecodable<Vec<u8>> for GetVault {
fn output(data: &[u8]) -> Result<Vec<u8>, String> {
Self::output(data)
}
}
#[derive(Debug, Clone, PartialEq)]
pub struct IsPoolFromFactory {
pub pool: Vec<u8>,
}
impl IsPoolFromFactory {
const METHOD_ID: [u8; 4] = [102u8, 52u8, 183u8, 83u8];
pub fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
let maybe_data = call.input.get(4..);
if maybe_data.is_none() {
return Err("no data to decode".to_string());
}
let mut values = ethabi::decode(
&[ethabi::ParamType::Address],
maybe_data.unwrap(),
)
.map_err(|e| format!("unable to decode call.input: {:?}", e))?;
values.reverse();
Ok(Self {
pool: values
.pop()
.expect(INTERNAL_ERR)
.into_address()
.expect(INTERNAL_ERR)
.as_bytes()
.to_vec(),
})
}
pub fn encode(&self) -> Vec<u8> {
let data = ethabi::encode(
&[ethabi::Token::Address(ethabi::Address::from_slice(&self.pool))],
);
let mut encoded = Vec::with_capacity(4 + data.len());
encoded.extend(Self::METHOD_ID);
encoded.extend(data);
encoded
}
pub fn output_call(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<bool, String> {
Self::output(call.return_data.as_ref())
}
pub fn output(data: &[u8]) -> Result<bool, String> {
let mut values = ethabi::decode(
&[ethabi::ParamType::Bool],
data.as_ref(),
)
.map_err(|e| format!("unable to decode output data: {:?}", e))?;
Ok(
values
.pop()
.expect("one output data should have existed")
.into_bool()
.expect(INTERNAL_ERR),
)
}
pub fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
match call.input.get(0..4) {
Some(signature) => Self::METHOD_ID == signature,
None => false,
}
}
pub fn call(&self, address: Vec<u8>) -> Option<bool> {
use substreams_ethereum::pb::eth::rpc;
let rpc_calls = rpc::RpcCalls {
calls: vec![
rpc::RpcCall { to_addr : address, data : self.encode(), }
],
};
let responses = substreams_ethereum::rpc::eth_call(&rpc_calls).responses;
let response = responses
.get(0)
.expect("one response should have existed");
if response.failed {
return None;
}
match Self::output(response.raw.as_ref()) {
Ok(data) => Some(data),
Err(err) => {
use substreams_ethereum::Function;
substreams::log::info!(
"Call output for function `{}` failed to decode with error: {}",
Self::NAME, err
);
None
}
}
}
}
impl substreams_ethereum::Function for IsPoolFromFactory {
const NAME: &'static str = "isPoolFromFactory";
fn match_call(call: &substreams_ethereum::pb::eth::v2::Call) -> bool {
Self::match_call(call)
}
fn decode(
call: &substreams_ethereum::pb::eth::v2::Call,
) -> Result<Self, String> {
Self::decode(call)
}
fn encode(&self) -> Vec<u8> {
self.encode()
}
}
impl substreams_ethereum::rpc::RPCDecodable<bool> for IsPoolFromFactory {
fn output(data: &[u8]) -> Result<bool, String> {
Self::output(data)
}
}
}
/// Contract's events.
#[allow(dead_code, unused_imports, unused_variables)]
pub mod events {
use super::INTERNAL_ERR;
#[derive(Debug, Clone, PartialEq)]
pub struct PoolCreated {
pub pool: Vec<u8>,
}
impl PoolCreated {
const TOPIC_ID: [u8; 32] = [
131u8,
164u8,
143u8,
188u8,
252u8,
153u8,
19u8,
53u8,
49u8,
78u8,
116u8,
208u8,
73u8,
106u8,
171u8,
106u8,
25u8,
135u8,
233u8,
146u8,
221u8,
200u8,
93u8,
221u8,
188u8,
196u8,
214u8,
221u8,
110u8,
242u8,
233u8,
252u8,
];
pub fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
if log.topics.len() != 2usize {
return false;
}
if log.data.len() != 0usize {
return false;
}
return log.topics.get(0).expect("bounds already checked").as_ref()
== Self::TOPIC_ID;
}
pub fn decode(
log: &substreams_ethereum::pb::eth::v2::Log,
) -> Result<Self, String> {
Ok(Self {
pool: ethabi::decode(
&[ethabi::ParamType::Address],
log.topics[1usize].as_ref(),
)
.map_err(|e| {
format!(
"unable to decode param 'pool' from topic of type 'address': {:?}",
e
)
})?
.pop()
.expect(INTERNAL_ERR)
.into_address()
.expect(INTERNAL_ERR)
.as_bytes()
.to_vec(),
})
}
}
impl substreams_ethereum::Event for PoolCreated {
const NAME: &'static str = "PoolCreated";
fn match_log(log: &substreams_ethereum::pb::eth::v2::Log) -> bool {
Self::match_log(log)
}
fn decode(
log: &substreams_ethereum::pb::eth::v2::Log,
) -> Result<Self, String> {
Self::decode(log)
}
}
}

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substreams/ethereum-balancer/src/abi/yearn_linear_pool_factory.rs Normal file
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substreams/ethereum-balancer/src/lib.rs Normal file
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use std::collections::HashMap;
use anyhow::Result;
use substreams::pb::substreams::StoreDeltas;
use substreams::store::{
StoreAdd, StoreAddBigInt, StoreGet, StoreGetBigInt, StoreGetProto, StoreNew,
StoreSetIfNotExists, StoreSetIfNotExistsProto,
};
use substreams::{hex, log};
use substreams::key;
use substreams::scalar::BigInt;
use substreams_ethereum::block_view::{CallView, LogView};
use substreams_ethereum::pb::eth;
use substreams_ethereum::pb::eth::v2::{balance_change, Call, Log, TransactionTrace};
use substreams_ethereum::{Event, Function};
use itertools::Itertools;
use pb::tycho::evm::v1::{self as tycho};
mod abi;
mod pb;
const VAULT_ADDRESS: &[u8] = &hex!("BA12222222228d8Ba445958a75a0704d566BF2C8");
/// This trait defines some helpers for serializing and deserializing `Vec<BigInt` which is needed
/// to be able to encode the `normalized_weights` and `weights` `Attribute`s. This should also be
/// handled by any downstream application.
trait SerializableVecBigInt {
fn serialize_bytes(&self) -> Vec<u8>;
fn deserialize_bytes(bytes: &[u8]) -> Vec<BigInt>;
}
impl SerializableVecBigInt for Vec<BigInt> {
fn serialize_bytes(&self) -> Vec<u8> {
self.iter()
.flat_map(|big_int| big_int.to_signed_bytes_be())
.collect()
}
fn deserialize_bytes(bytes: &[u8]) -> Vec<BigInt> {
bytes
.chunks_exact(32)
.map(|chunk| BigInt::from_signed_bytes_be(chunk))
.collect::<Vec<BigInt>>()
}
}
/// This struct purely exists to spoof the `PartialEq` trait for `Transaction` so we can use it in
/// a later groupby operation.
struct TransactionWrapper(tycho::Transaction);
impl PartialEq for TransactionWrapper {
fn eq(&self, other: &Self) -> bool {
self.0.hash == other.0.hash
}
}
/// This is the main function that handles the creation of `ProtocolComponent`s with `Attribute`s
/// based on the specific factory address. There's 3 factory groups that are represented here:
/// - Weighted Pool Factories
/// - Linear Pool Factories
/// - Stable Pool Factories
/// (Balancer does have a bit more (esp. in the deprecated section) that could be implemented as
/// desired.)
/// We use the specific ABIs to decode both the log event and cooresponding call to gather
/// `PoolCreated` event information alongside the `Create` calldata that provide us details to
/// fufill both the required details + any extra `Attributes`
/// Ref: https://docs.balancer.fi/reference/contracts/deployment-addresses/mainnet.html
fn pool_factory_map(pool_addr: &[u8], log: &Log, call: &Call) -> Option<tycho::ProtocolComponent> {
match pool_addr {
&hex!("897888115Ada5773E02aA29F775430BFB5F34c51") => {
let create_call =
abi::weighted_pool_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::weighted_pool_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: create_call.tokens,
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "WeightedPoolFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "normalized_weights".into(),
value: create_call.normalized_weights.serialize_bytes(),
change: tycho::ChangeType::Creation.into(),
},
],
change: tycho::ChangeType::Creation.into(),
})
}
&hex!("DB8d758BCb971e482B2C45f7F8a7740283A1bd3A") => {
let create_call =
abi::composable_stable_pool_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::composable_stable_pool_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: create_call.tokens,
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "ComposableStablePoolFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "amplification_parameter".into(),
value: create_call.amplification_parameter.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
],
change: tycho::ChangeType::Creation.into(),
})
}
&hex!("813EE7a840CE909E7Fea2117A44a90b8063bd4fd") => {
let create_call =
abi::erc_linear_pool_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::erc_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: vec![create_call.main_token, create_call.wrapped_token],
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "ERC4626LinearPoolFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "upper_target".into(),
value: create_call.upper_target.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
// Note, `lower_target` is generally hardcoded for all pools, not located in call data
// Note, rate provider might be provided as `create.protocol_id`, but as a BigInt. needs investigation
],
change: tycho::ChangeType::Creation.into(),
})
}
&hex!("5F43FBa61f63Fa6bFF101a0A0458cEA917f6B347") => {
let create_call =
abi::euler_linear_pool_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::euler_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: vec![create_call.main_token, create_call.wrapped_token],
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "EulerLinearPoolFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "upper_target".into(),
value: create_call.upper_target.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
],
change: tycho::ChangeType::Creation.into(),
})
}
&hex!("39A79EB449Fc05C92c39aA6f0e9BfaC03BE8dE5B") => {
let create_call =
abi::gearbox_linear_pool_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::gearbox_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: vec![create_call.main_token, create_call.wrapped_token],
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "GearboxLinearPoolFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "upper_target".into(),
value: create_call.upper_target.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
],
change: tycho::ChangeType::Creation.into(),
})
}
// The `ManagedPoolFactory` is a bit ✨ unique ✨, so we'll leave it commented out for now
// Take a look at it's `Create` call to see how the params are structured.
// &hex!("BF904F9F340745B4f0c4702c7B6Ab1e808eA6b93") => {
// let create_call = abi::managed_pool_factory::functions::Create::match_and_decode(call)?;
// let pool_created =
// abi::managed_pool_factory::events::PoolCreated::match_and_decode(log)?;
// Some(tycho::ProtocolComponent {
// id: hex::encode(&pool_created.pool),
// tokens: create_call.tokens,
// contracts: vec![pool_addr.into(), pool_created.pool],
// static_att: vec![
// tycho::Attribute {
// name: "pool_type".into(),
// value: "ManagedPoolFactory".into(),
// change: tycho::ChangeType::Creation.into(),
// },
// tycho::Attribute {
// name: "swap_fee_percentage".into(),
// value: create_call.swap_fee_percentage.to_signed_bytes_be(),
// change: tycho::ChangeType::Creation.into(),
// },
// ],
// change: tycho::ChangeType::Creation.into(),
// })
// }
&hex!("4E11AEec21baF1660b1a46472963cB3DA7811C89") => {
let create_call =
abi::silo_linear_pool_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::silo_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: vec![create_call.main_token, create_call.wrapped_token],
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "SiloLinearPoolFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "upper_target".into(),
value: create_call.upper_target.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
],
change: tycho::ChangeType::Creation.into(),
})
}
&hex!("5F5222Ffa40F2AEd6380D022184D6ea67C776eE0") => {
let create_call =
abi::yearn_linear_pool_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::yearn_linear_pool_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: vec![create_call.main_token, create_call.wrapped_token],
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "YearnLinearPoolFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "upper_target".into(),
value: create_call.upper_target.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
],
change: tycho::ChangeType::Creation.into(),
})
}
// The `WeightedPool2TokenFactory` is a deprecated contract but we've included it since one
// of the highest TVL pools, 80BAL-20WETH, is able to be tracked.
&hex!("A5bf2ddF098bb0Ef6d120C98217dD6B141c74EE0") => {
let create_call =
abi::weighted_pool_tokens_factory::functions::Create::match_and_decode(call)?;
let pool_created =
abi::weighted_pool_tokens_factory::events::PoolCreated::match_and_decode(log)?;
Some(tycho::ProtocolComponent {
id: hex::encode(&pool_created.pool),
tokens: create_call.tokens,
contracts: vec![pool_addr.into(), pool_created.pool],
static_att: vec![
tycho::Attribute {
name: "pool_type".into(),
value: "WeightedPool2TokensFactory".into(),
change: tycho::ChangeType::Creation.into(),
},
tycho::Attribute {
name: "swap_fee_percentage".into(),
value: create_call.swap_fee_percentage.to_signed_bytes_be(),
change: tycho::ChangeType::Creation.into(),
},
// TODO
tycho::Attribute {
name: "weights".into(),
value: create_call.weights.serialize_bytes(),
change: tycho::ChangeType::Creation.into(),
},
],
change: tycho::ChangeType::Creation.into(),
})
}
_ => None,
}
}
/// Since the `PoolBalanceChanged` events administer only deltas, we need to leverage a map and a
/// store to be able to tally up final balances for tokens in a pool.
#[substreams::handlers::map]
pub fn map_balance_deltas(block: eth::v2::Block) -> Result<tycho::BalanceDeltas, anyhow::Error> {
Ok(tycho::BalanceDeltas {
balance_deltas: block
.events::<abi::vault::events::PoolBalanceChanged>(&[&VAULT_ADDRESS])
.flat_map(|(event, log)| {
event
.tokens
.iter()
.zip(event.deltas.iter())
.map(|(token, delta)| tycho::BalanceDelta {
ord: log.log.ordinal,
tx: Some(tycho::Transaction {
hash: log.receipt.transaction.hash.clone(),
from: log.receipt.transaction.from.clone(),
to: log.receipt.transaction.to.clone(),
index: Into::<u64>::into(log.receipt.transaction.index).clone(),
}),
token: token.clone(),
delta: delta.to_signed_bytes_be(),
component_id: event.pool_id.into(),
})
.collect::<Vec<_>>()
})
.collect::<Vec<_>>(),
})
}
/// It's significant to include both the `pool_id` and the `token_id` for each balance delta as the
/// store key to ensure that there's a unique balance being tallied for each.
#[substreams::handlers::store]
pub fn store_balance_changes(deltas: tycho::BalanceDeltas, 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),
);
});
}
/// This is the main map that handles most of the indexing of this substream.
#[substreams::handlers::map]
pub fn map_changes(
block: eth::v2::Block,
deltas: tycho::BalanceDeltas,
store: StoreDeltas, // Note, this map module is using the `deltas` mode for the store.
) -> Result<tycho::BlockContractChanges> {
// Gather contract changes by indexing `PoolCreated` events and analysing the `Create` call
// We store these as a hashmap by tx hash since we need to agg by tx hash later
let mut transaction_contract_changes = block
.transactions()
.flat_map(|tx| {
tx.logs_with_calls()
.filter(|(_, call)| !call.call.state_reverted)
.filter_map(|(log, call)| {
let pool_factory_address = call.call.address.as_slice();
Some((
tx.hash.clone(),
tycho::TransactionContractChanges {
tx: Some(tycho::Transaction {
hash: tx.hash.clone(),
from: tx.from.clone(),
to: tx.to.clone(),
index: Into::<u64>::into(tx.index).clone(),
}),
contract_changes: vec![],
balance_changes: vec![],
component_changes: vec![pool_factory_map(
pool_factory_address,
&log,
&call.call,
)?],
},
))
})
})
.collect::<HashMap<_, _>>();
// Balance changes are gathered by the `StoreDelta` based on `PoolBalanceChanged` creating `BalanceDeltas`
// We essentially just process the changes that occured 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.
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);
(
balance_delta.tx.unwrap(),
tycho::BalanceChange {
token: hex::decode(token_id).expect("Token ID not valid hex"),
balance: store_delta.new_value,
component_id: hex::decode(pool_id).expect("Token ID not valid hex"),
},
)
})
// 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;
if let Some(tx_change) = transaction_contract_changes.get_mut(&tx.hash) {
tx_change
.balance_changes
.extend(group.map(|(_, change)| change.clone()));
} else {
transaction_contract_changes.insert(
tx.hash.clone(),
tycho::TransactionContractChanges {
tx: Some(tx),
contract_changes: vec![],
component_changes: vec![],
balance_changes: group
.map(|(_, change)| change.clone())
.collect::<Vec<_>>(),
},
);
}
});
Ok(tycho::BlockContractChanges {
block: Some(tycho::Block {
number: block.number,
hash: block.hash.clone(),
parent_hash: block
.header
.as_ref()
.expect("Block header not present")
.parent_hash
.clone(),
ts: block.timestamp_seconds(),
}),
changes: transaction_contract_changes
.into_iter()
.map(|(_, v)| v)
.sorted_unstable_by_key(|tx_change| tx_change.tx.clone().unwrap().index)
.collect::<Vec<_>>(),
})
}

28
substreams/ethereum-balancer/src/pb/eth.balancer.v1.rs Normal file
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// @generated
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Pools {
#[prost(message, repeated, tag="1")]
pub pools: ::prost::alloc::vec::Vec<Pool>,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Pool {
#[prost(bytes="vec", tag="1")]
pub pool_id: ::prost::alloc::vec::Vec<u8>,
#[prost(fixed64, tag="2")]
pub log_ordinal: u64,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Transfer {
#[prost(bytes="vec", tag="1")]
pub from: ::prost::alloc::vec::Vec<u8>,
#[prost(bytes="vec", tag="2")]
pub to: ::prost::alloc::vec::Vec<u8>,
#[prost(string, tag="3")]
pub token: ::prost::alloc::string::String,
#[prost(string, tag="4")]
pub amount: ::prost::alloc::string::String,
}
// @@protoc_insertion_point(module)

28
substreams/ethereum-balancer/src/pb/eth.factory.v1.rs Normal file
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@@ -0,0 +1,28 @@
// @generated
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Pools {
#[prost(message, repeated, tag="1")]
pub pools: ::prost::alloc::vec::Vec<Pool>,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Pool {
#[prost(bytes="vec", tag="1")]
pub pool_id: ::prost::alloc::vec::Vec<u8>,
#[prost(fixed64, tag="2")]
pub log_ordinal: u64,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Transfer {
#[prost(bytes="vec", tag="1")]
pub from: ::prost::alloc::vec::Vec<u8>,
#[prost(bytes="vec", tag="2")]
pub to: ::prost::alloc::vec::Vec<u8>,
#[prost(string, tag="3")]
pub token: ::prost::alloc::string::String,
#[prost(string, tag="4")]
pub amount: ::prost::alloc::string::String,
}
// @@protoc_insertion_point(module)

22
substreams/ethereum-balancer/src/pb/eth.pool.v1.rs Normal file
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@@ -0,0 +1,22 @@
// @generated
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Transfers {
#[prost(message, repeated, tag="1")]
pub transfers: ::prost::alloc::vec::Vec<Transfer>,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Transfer {
#[prost(string, tag="1")]
pub from: ::prost::alloc::string::String,
#[prost(string, tag="2")]
pub to: ::prost::alloc::string::String,
#[prost(uint64, tag="3")]
pub token_id: u64,
#[prost(string, tag="4")]
pub trx_hash: ::prost::alloc::string::String,
#[prost(uint64, tag="5")]
pub ordinal: u64,
}
// @@protoc_insertion_point(module)

9
substreams/ethereum-balancer/src/pb/mod.rs Normal file
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@@ -0,0 +1,9 @@
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)
}
}
}

235
substreams/ethereum-balancer/src/pb/tycho.evm.v1.rs Normal file
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// @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.
#[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,
}
/// 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,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ProtocolComponents {
#[prost(message, repeated, tag="1")]
pub components: ::prost::alloc::vec::Vec<ProtocolComponent>,
}
/// 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.
#[prost(bytes="vec", tag="2")]
pub balance: ::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="3")]
pub component_id: ::prost::alloc::vec::Vec<u8>,
}
/// 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 BalanceDelta {
#[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>,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BalanceDeltas {
#[prost(message, repeated, tag="1")]
pub balance_deltas: ::prost::alloc::vec::Vec<BalanceDelta>,
}
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BlockBalanceChanges {
#[prost(message, optional, tag="1")]
pub block: ::core::option::Option<Block>,
#[prost(message, repeated, tag="2")]
pub balance_changes: ::prost::alloc::vec::Vec<BalanceChange>,
}
/// 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,
}
}
}
// 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>,
}
// @@protoc_insertion_point(module)