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Adds snapshot map to anvil metadata #6364

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merged 4 commits into from
Nov 20, 2023
Merged

Adds snapshot map to anvil metadata #6364

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3181b7b
Adds snapshot map to anvil metadata
naps62 Nov 20, 2023
c578074
code review
naps62 Nov 20, 2023
a6db537
code review
naps62 Nov 20, 2023
fbe5725
code review
naps62 Nov 20, 2023
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3 changes: 3 additions & 0 deletions crates/anvil/core/src/types.rs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
use std::collections::BTreeMap;

use ethers_core::types::{TxHash, H256, U256, U64};
use revm::primitives::SpecId;

Expand Down Expand Up @@ -217,6 +219,7 @@ pub struct AnvilMetadata {
pub latest_block_number: u64,
pub latest_block_hash: H256,
pub forked_network: Option<ForkedNetwork>,
pub snapshots: BTreeMap<U256, (u64, H256)>,
}

/// Information about the forked network.
Expand Down
8 changes: 5 additions & 3 deletions crates/anvil/src/eth/api.rs
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Expand Up @@ -1708,18 +1708,20 @@ impl EthApi {
pub async fn anvil_metadata(&self) -> Result<AnvilMetadata> {
node_info!("anvil_metadata");
let fork_config = self.backend.get_fork();
let snapshots = self.backend.list_snapshots();

Ok(AnvilMetadata {
client_version: CLIENT_VERSION,
chain_id: self.backend.chain_id().try_into().unwrap_or(u64::MAX),
chain_id: self.backend.chain_id(),
latest_block_hash: self.backend.best_hash(),
latest_block_number: self.backend.best_number().as_u64(),
instance_id: *self.instance_id.read(),
forked_network: fork_config.map(|cfg| ForkedNetwork {
chain_id: cfg.chain_id().into(),
fork_block_number: cfg.block_number().into(),
chain_id: cfg.chain_id(),
fork_block_number: cfg.block_number(),
fork_block_hash: cfg.block_hash(),
}),
snapshots,
})
}

Expand Down
6 changes: 5 additions & 1 deletion crates/anvil/src/eth/backend/mem/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ use futures::channel::mpsc::{unbounded, UnboundedSender};
use hash_db::HashDB;
use parking_lot::{Mutex, RwLock};
use std::{
collections::HashMap,
collections::{BTreeMap, HashMap},
io::{Read, Write},
ops::Deref,
sync::Arc,
Expand Down Expand Up @@ -676,6 +676,10 @@ impl Backend {
Ok(self.db.write().await.revert(id))
}

pub fn list_snapshots(&self) -> BTreeMap<U256, (u64, H256)> {
self.active_snapshots.lock().clone().into_iter().collect()
}

/// Get the current state.
pub async fn serialized_state(&self) -> Result<SerializableState, BlockchainError> {
let state = self.db.read().await.dump_state()?;
Expand Down
2 changes: 2 additions & 0 deletions crates/anvil/tests/it/anvil_api.rs
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Expand Up @@ -473,6 +473,7 @@ async fn can_get_metadata() {
client_version: CLIENT_VERSION,
instance_id: api.instance_id(),
forked_network: None,
snapshots: Default::default(),
};

assert_eq!(metadata, expected_metadata);
Expand Down Expand Up @@ -501,6 +502,7 @@ async fn can_get_metadata_on_fork() {
fork_block_number: block_number,
fork_block_hash: block.hash.unwrap(),
}),
snapshots: Default::default(),
};

assert_eq!(metadata, expected_metadata);
Expand Down
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