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PoA warp implementation (#5488)

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* separate modules for consensus snapshot chunks

* bulk of authority warp logic

* finish authority warp implementation

* squash warnings and enable authority snapshot mode

* test harness for PoA

* fiddle with harness

* epoch generation proof fixes

* update constructor code

* store epoch transition proof after block commit

* basic snap and restore test

* use keyvaluedb in state restoration

* decompress chunks

* fix encoding issues

* fixed-to-contract-to-contract test

* implement ancient block import

* restore genesis transition in PoW snapshot

* add format version method to snapshot components

* supported version numbers in snapshot_components

* allow returning of ancient epoch transitions

* genesis hash mismatch check

* remove commented code
This commit is contained in:
Robert Habermeier
2017-05-17 12:41:33 +02:00
committed by keorn
parent 5d973f8ef5
commit 4c5e4ac8da
35 changed files with 1547 additions and 347 deletions
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10
sync/src/chain.rs
View File

@@ -158,8 +158,6 @@ pub const SNAPSHOT_SYNC_PACKET_COUNT: u8 = 0x16;
const MAX_SNAPSHOT_CHUNKS_DOWNLOAD_AHEAD: usize = 3;
const MIN_SUPPORTED_SNAPSHOT_MANIFEST_VERSION: u64 = 1;
const WAIT_PEERS_TIMEOUT_SEC: u64 = 5;
const STATUS_TIMEOUT_SEC: u64 = 5;
const HEADERS_TIMEOUT_SEC: u64 = 15;
@@ -504,7 +502,7 @@ impl ChainSync {
}
fn maybe_start_snapshot_sync(&mut self, io: &mut SyncIo) {
if !self.enable_warp_sync {
if !self.enable_warp_sync || io.snapshot_service().min_supported_version().is_none() {
return;
}
if self.state != SyncState::WaitingPeers && self.state != SyncState::Blocks && self.state != SyncState::Waiting {
@@ -1042,7 +1040,11 @@ impl ChainSync {
}
Ok(manifest) => manifest,
};
if manifest.version < MIN_SUPPORTED_SNAPSHOT_MANIFEST_VERSION {
let is_supported_version = io.snapshot_service().min_supported_version()
.map_or(false, |v| manifest.version >= v);
if !is_supported_version {
trace!(target: "sync", "{}: Snapshot manifest version too low: {}", peer_id, manifest.version);
io.disable_peer(peer_id);
self.continue_sync(io);

4
sync/src/tests/snapshot.rs
View File

@@ -71,6 +71,10 @@ impl SnapshotService for TestSnapshotService {
self.manifest.as_ref().cloned()
}
fn min_supported_version(&self) -> Option<u64> {
Some(1)
}
fn chunk(&self, hash: H256) -> Option<Bytes> {
self.chunks.get(&hash).cloned()
}