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refactor: Use eventuals for monitoring network data
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Specifically, use one eventual for monitoring the indexer's active and
recently closed allocations, and one for establishing attestation signers
for these allocations.
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@Jannis
Jannis committed Sep 21, 2023
1 parent 513d1ad commit 6e52bd1
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88 changes: 88 additions & 0 deletions Cargo.lock
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3 changes: 3 additions & 0 deletions common/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,18 @@ eip-712-derive = { git = "https://github.com/graphprotocol/eip-712-derive" }
ethereum-types = "0.14.1"
ethers = "2.0.10"
ethers-core = "2.0.10"
eventuals = "0.6.7"
faux = { version = "0.1.10", optional = true }
keccak-hash = "0.10.0"
lazy_static = "1.4.0"
log = "0.4.20"
lru = "0.11.1"
reqwest = "0.11.20"
secp256k1 = { version = "0.27.0", features = ["recovery"] }
serde = { version = "1.0.188", features = ["derive"] }
serde_json = "1.0.107"
tokio = { version = "1.32.0", features = ["full", "macros", "rt"] }
toolshed = { git = "https://github.com/edgeandnode/toolshed", tag = "v0.2.2", features = ["graphql"] }

[dev-dependencies]
env_logger = "0.9.0"
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181 changes: 4 additions & 177 deletions common/src/allocations/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,14 @@
// SPDX-License-Identifier: Apache-2.0

use alloy_primitives::Address;
use anyhow::Result;
use ethers::signers::coins_bip39::English;
use ethers::signers::{MnemonicBuilder, Signer, Wallet};
use ethers_core::k256::ecdsa::SigningKey;
use ethers_core::types::U256;
use serde::Deserialize;
use serde::Deserializer;
use serde::{Deserialize, Deserializer};

use crate::types::SubgraphDeploymentID;

pub mod monitor;

#[derive(Debug, Eq, PartialEq)]
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct Allocation {
pub id: Address,
pub status: AllocationStatus,
Expand All @@ -31,7 +26,7 @@ pub struct Allocation {
pub query_fees_collected: Option<U256>,
}

#[derive(Debug, Eq, PartialEq)]
#[derive(Clone, Debug, Eq, PartialEq)]
pub enum AllocationStatus {
Null,
Active,
Expand All @@ -40,7 +35,7 @@ pub enum AllocationStatus {
Claimed,
}

#[derive(Debug, Eq, PartialEq, Deserialize)]
#[derive(Clone, Debug, Eq, PartialEq, Deserialize)]
pub struct SubgraphDeployment {
pub id: SubgraphDeploymentID,
#[serde(rename = "deniedAt")]
Expand Down Expand Up @@ -94,171 +89,3 @@ impl<'d> Deserialize<'d> for Allocation {
})
}
}

pub fn derive_key_pair(
indexer_mnemonic: &str,
epoch: u64,
deployment: &SubgraphDeploymentID,
index: u64,
) -> Result<Wallet<SigningKey>> {
let mut derivation_path = format!("m/{}/", epoch);
derivation_path.push_str(
&deployment
.ipfs_hash()
.as_bytes()
.iter()
.map(|char| char.to_string())
.collect::<Vec<String>>()
.join("/"),
);
derivation_path.push_str(format!("/{}", index).as_str());

Ok(MnemonicBuilder::<English>::default()
.derivation_path(&derivation_path)
.expect("Valid derivation path")
.phrase(indexer_mnemonic)
.build()?)
}

pub fn allocation_signer(indexer_mnemonic: &str, allocation: &Allocation) -> Result<SigningKey> {
// Guess the allocation index by enumerating all indexes in the
// range [0, 100] and checking for a match
for i in 0..100 {
// The allocation was either created at the epoch it intended to or one
// epoch later. So try both both.
for created_at_epoch in [allocation.created_at_epoch, allocation.created_at_epoch - 1] {
let allocation_wallet = derive_key_pair(
indexer_mnemonic,
created_at_epoch,
&allocation.subgraph_deployment.id,
i,
)?;
if allocation_wallet.address().as_fixed_bytes() == allocation.id {
return Ok(allocation_wallet.signer().clone());
}
}
}
Err(anyhow::anyhow!(
"Could not find allocation signer for allocation {}",
allocation.id
))
}

#[cfg(test)]
mod test {
use std::str::FromStr;

use crate::prelude::SubgraphDeploymentID;

use super::*;

const INDEXER_OPERATOR_MNEMONIC: &str = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about";

#[test]
fn test_derive_key_pair() {
assert_eq!(
derive_key_pair(
INDEXER_OPERATOR_MNEMONIC,
953,
&SubgraphDeploymentID::new(
"0xbbde25a2c85f55b53b7698b9476610c3d1202d88870e66502ab0076b7218f98a"
)
.unwrap(),
0
)
.unwrap()
.address()
.as_fixed_bytes(),
Address::from_str("0xfa44c72b753a66591f241c7dc04e8178c30e13af").unwrap()
);

assert_eq!(
derive_key_pair(
INDEXER_OPERATOR_MNEMONIC,
940,
&SubgraphDeploymentID::new(
"0xbbde25a2c85f55b53b7698b9476610c3d1202d88870e66502ab0076b7218f98a"
)
.unwrap(),
2
)
.unwrap()
.address()
.as_fixed_bytes(),
Address::from_str("0xa171cd12c3dde7eb8fe7717a0bcd06f3ffa65658").unwrap()
);
}

#[test]
fn test_allocation_signer() {
// Note that we use `derive_key_pair` to derive the private key

let allocation = Allocation {
id: Address::from_str("0xa171cd12c3dde7eb8fe7717a0bcd06f3ffa65658").unwrap(),
status: AllocationStatus::Null,
subgraph_deployment: SubgraphDeployment {
id: SubgraphDeploymentID::new(
"0xbbde25a2c85f55b53b7698b9476610c3d1202d88870e66502ab0076b7218f98a",
)
.unwrap(),
denied_at: None,
staked_tokens: U256::zero(),
signalled_tokens: U256::zero(),
query_fees_amount: U256::zero(),
},
indexer: Address::ZERO,
allocated_tokens: U256::zero(),
created_at_epoch: 940,
created_at_block_hash: "".to_string(),
closed_at_epoch: None,
closed_at_epoch_start_block_hash: None,
previous_epoch_start_block_hash: None,
poi: None,
query_fee_rebates: None,
query_fees_collected: None,
};
assert_eq!(
allocation_signer(INDEXER_OPERATOR_MNEMONIC, &allocation).unwrap(),
*derive_key_pair(
INDEXER_OPERATOR_MNEMONIC,
940,
&allocation.subgraph_deployment.id,
2
)
.unwrap()
.signer()
);
}

#[test]
fn test_allocation_signer_error() {
// Note that because allocation will try 200 derivations paths, this is a slow test

let allocation = Allocation {
// Purposefully wrong address
id: Address::from_str("0xdeadbeefcafebabedeadbeefcafebabedeadbeef").unwrap(),
status: AllocationStatus::Null,
subgraph_deployment: SubgraphDeployment {
id: SubgraphDeploymentID::new(
"0xbbde25a2c85f55b53b7698b9476610c3d1202d88870e66502ab0076b7218f98a",
)
.unwrap(),
denied_at: None,
staked_tokens: U256::zero(),
signalled_tokens: U256::zero(),
query_fees_amount: U256::zero(),
},
indexer: Address::ZERO,
allocated_tokens: U256::zero(),
created_at_epoch: 940,
created_at_block_hash: "".to_string(),
closed_at_epoch: None,
closed_at_epoch_start_block_hash: None,
previous_epoch_start_block_hash: None,
poi: None,
query_fee_rebates: None,
query_fees_collected: None,
};
assert!(allocation_signer(INDEXER_OPERATOR_MNEMONIC, &allocation).is_err());
}
}
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