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Original file line number | Diff line number | Diff line change |
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@@ -1,16 +1,25 @@ | ||
[package] | ||
name = "fuel-core-sync" | ||
version = "0.15.1" | ||
authors = ["Fuel Labs <contact@fuel.sh>"] | ||
description = "Fuel Synchronizer" | ||
edition = "2021" | ||
homepage = "https://fuel.network/" | ||
keywords = ["blockchain", "fuel", "fuel-vm"] | ||
license = "BUSL-1.1" | ||
name = "fuel-core-sync" | ||
repository = "https://github.com/FuelLabs/fuel-core" | ||
description = "Fuel Synchronizer" | ||
version = "0.15.1" | ||
|
||
[dependencies] | ||
anyhow = "1.0" | ||
async-trait = "0.1.60" | ||
fuel-core-services = { path = "../" } | ||
fuel-core-types = { path = "../../types", version = "0.15.1" } | ||
parking_lot = "0.12" | ||
futures = "0.3.25" | ||
tokio = { version = "1.21", features = ["full"] } | ||
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||
[dev-dependencies] | ||
fuel-core-types = { path = "../../types", features = [ | ||
"test-helpers", | ||
] } | ||
mockall = "0.11.3" | ||
test-case = "2.2.2" |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,183 @@ | ||
use std::{ | ||
ops::RangeInclusive, | ||
sync::Arc, | ||
}; | ||
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||
use fuel_core_services::{ | ||
SharedMutex, | ||
SourcePeer, | ||
}; | ||
use fuel_core_types::{ | ||
blockchain::{ | ||
block::Block, | ||
consensus::Sealed, | ||
primitives::{ | ||
BlockHeight, | ||
BlockId, | ||
}, | ||
SealedBlock, | ||
SealedBlockHeader, | ||
}, | ||
fuel_tx::Transaction, | ||
services::executor::ExecutionBlock, | ||
}; | ||
use futures::{ | ||
stream, | ||
stream::StreamExt, | ||
Stream, | ||
}; | ||
use std::future::Future; | ||
use tokio::sync::Notify; | ||
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||
use crate::{ | ||
ports::{ | ||
Executor, | ||
PeerToPeer, | ||
}, | ||
State, | ||
}; | ||
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#[cfg(test)] | ||
mod tests; | ||
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#[derive(Clone, Copy, Debug)] | ||
pub struct Params { | ||
pub max_get_header_requests: usize, | ||
pub max_get_txns_requests: usize, | ||
} | ||
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async fn import( | ||
state: SharedMutex<State>, | ||
notify: Arc<Notify>, | ||
params: Params, | ||
p2p: Arc<impl PeerToPeer + 'static>, | ||
executor: Arc<impl Executor + 'static>, | ||
) { | ||
loop { | ||
if let Some(range) = state.apply(|s| { | ||
match (s.in_flight_height.as_mut(), s.best_seen_height.as_mut()) { | ||
(Some(in_flight), Some(best)) if !in_flight.is_empty() => { | ||
in_flight.end = *best; | ||
Some(in_flight.start..=*best) | ||
} | ||
(Some(in_flight), None) if !in_flight.is_empty() => { | ||
Some(in_flight.start..=in_flight.end) | ||
} | ||
(Some(in_flight), Some(best)) if *best > in_flight.end => { | ||
in_flight.start = in_flight.end + 1u32.into(); | ||
in_flight.end = *best; | ||
Some(in_flight.start..=in_flight.end) | ||
} | ||
(None, Some(best)) => { | ||
s.in_flight_height = Some(0u32.into()..*best); | ||
Some(0u32.into()..=*best) | ||
} | ||
_ => None, | ||
} | ||
}) { | ||
let range = (**range.start())..=(**range.end()); | ||
get_header_range_buffered(range, params, p2p.clone()) | ||
.map(|header| { | ||
let SourcePeer { | ||
peer_id, | ||
data: | ||
Sealed { | ||
entity: header, | ||
consensus, | ||
}, | ||
} = header; | ||
let id = header.id(); | ||
let block_id = SourcePeer { peer_id, data: id }; | ||
let p2p = p2p.clone(); | ||
async move { | ||
p2p.get_transactions(block_id).await.unwrap().and_then( | ||
|transactions| { | ||
Some(SealedBlock { | ||
entity: Block::try_from_executed( | ||
header, | ||
transactions, | ||
)?, | ||
consensus, | ||
}) | ||
}, | ||
) | ||
} | ||
}) | ||
.buffered(params.max_get_txns_requests) | ||
.scan((), |_, block| futures::future::ready(block)) | ||
.for_each(|block| { | ||
let state = state.clone(); | ||
let height = *block.entity.header().height(); | ||
let executor = executor.clone(); | ||
async move { | ||
match executor.execute_and_commit(block).await { | ||
Ok(_) => { | ||
state.apply(|s| { | ||
s.in_flight_height.as_mut().unwrap().start = height; | ||
}); | ||
} | ||
Err(_) => todo!(), | ||
} | ||
} | ||
}) | ||
.await; | ||
} | ||
notify.notified().await; | ||
} | ||
} | ||
|
||
fn get_header_range_buffered( | ||
range: RangeInclusive<u32>, | ||
params: Params, | ||
p2p: Arc<impl PeerToPeer + 'static>, | ||
) -> impl Stream<Item = SourcePeer<SealedBlockHeader>> { | ||
get_header_range(range, p2p) | ||
.buffered(params.max_get_header_requests) | ||
.scan((), |_, h| futures::future::ready(h)) | ||
} | ||
|
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fn get_header_range( | ||
range: RangeInclusive<u32>, | ||
p2p: Arc<impl PeerToPeer + 'static>, | ||
) -> impl Stream<Item = impl Future<Output = Option<SourcePeer<SealedBlockHeader>>>> { | ||
stream::iter(range).map(move |height| { | ||
let p2p = p2p.clone(); | ||
async move { p2p.get_sealed_block_header(height.into()).await.unwrap() } | ||
}) | ||
} | ||
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fn get_txns_buffered( | ||
block_ids: impl Iterator<Item = SourcePeer<BlockId>>, | ||
params: Params, | ||
p2p: Arc<impl PeerToPeer + 'static>, | ||
) -> impl Stream<Item = Vec<Transaction>> { | ||
stream::iter(block_ids) | ||
.map({ | ||
move |block_id| { | ||
let p2p = p2p.clone(); | ||
async move { p2p.get_transactions(block_id).await.unwrap() } | ||
} | ||
}) | ||
.buffered(params.max_get_txns_requests) | ||
.scan((), |_, h| futures::future::ready(h)) | ||
} | ||
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fn range_iterator( | ||
range: std::ops::RangeInclusive<u64>, | ||
chunk_size: u64, | ||
) -> impl Iterator<Item = std::ops::RangeInclusive<u64>> { | ||
let start = *range.start(); | ||
let end = *range.end(); | ||
let mut current_start = start; | ||
let mut current_end = std::cmp::min(current_start + chunk_size - 1, end); | ||
std::iter::from_fn(move || { | ||
if current_start > end { | ||
None | ||
} else { | ||
let result = current_start..=current_end; | ||
current_start = current_end + 1; | ||
current_end = std::cmp::min(current_start + chunk_size - 1, end); | ||
Some(result) | ||
} | ||
}) | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,62 @@ | ||
use std::time::Duration; | ||
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||
use fuel_core_services::PeerId; | ||
use fuel_core_types::{ | ||
blockchain::{ | ||
consensus::Consensus, | ||
header::BlockHeader, | ||
}, | ||
services::executor::ExecutionResult, | ||
}; | ||
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use crate::ports::{ | ||
MockExecutor, | ||
MockPeerToPeer, | ||
}; | ||
|
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use super::*; | ||
|
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#[tokio::test] | ||
async fn test_import() { | ||
let state = SharedMutex::new(State { | ||
best_seen_height: Some(5u32.into()), | ||
..Default::default() | ||
}); | ||
let notify = Arc::new(Notify::new()); | ||
let params = Params { | ||
max_get_header_requests: 10, | ||
max_get_txns_requests: 10, | ||
}; | ||
let mut p2p = MockPeerToPeer::default(); | ||
p2p.expect_get_sealed_block_header().returning(|_| { | ||
let header = BlockHeader::default(); | ||
let consensus = Consensus::default(); | ||
let sealed = Sealed { | ||
entity: header, | ||
consensus, | ||
}; | ||
let peer_id = PeerId {}; | ||
let source_peer = SourcePeer { | ||
peer_id, | ||
data: sealed, | ||
}; | ||
Ok(Some(source_peer)) | ||
}); | ||
p2p.expect_get_transactions() | ||
.returning(|_| Ok(Some(vec![]))); | ||
let p2p = Arc::new(p2p); | ||
let mut executor = MockExecutor::default(); | ||
executor.expect_execute_and_commit().returning(|_| { | ||
Ok(ExecutionResult { | ||
block: Block::default(), | ||
skipped_transactions: vec![], | ||
tx_status: vec![], | ||
}) | ||
}); | ||
let executor = Arc::new(executor); | ||
let _ = tokio::time::timeout( | ||
Duration::from_secs(2), | ||
import(state, notify, params, p2p, executor), | ||
) | ||
.await; | ||
} |
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