Trait ethcore::snapshot::SnapshotService
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pub trait SnapshotService: Sync + Send { fn manifest(&self) -> Option<ManifestData>; fn chunk(&self, hash: H256) -> Option<Bytes>; fn status(&self) -> RestorationStatus; fn begin_restore(&self, manifest: ManifestData); fn abort_restore(&self); fn restore_state_chunk(&self, hash: H256, chunk: Bytes); fn restore_block_chunk(&self, hash: H256, chunk: Bytes); fn provide_canon_hashes(&self, canonical: &[(u64, H256)]); }
The interface for a snapshot network service. This handles: - restoration of snapshots to temporary databases. - responding to queries for snapshot manifests and chunks
Required Methods
fn manifest(&self) -> Option<ManifestData>
Query the most recent manifest data.
fn chunk(&self, hash: H256) -> Option<Bytes>
Get raw chunk for a given hash.
fn status(&self) -> RestorationStatus
Ask the snapshot service for the restoration status.
fn begin_restore(&self, manifest: ManifestData)
Begin snapshot restoration. If restoration in-progress, this will reset it. From this point on, any previous snapshot may become unavailable.
fn abort_restore(&self)
Abort an in-progress restoration if there is one.
fn restore_state_chunk(&self, hash: H256, chunk: Bytes)
Feed a raw state chunk to the service to be processed asynchronously. no-op if not currently restoring.
fn restore_block_chunk(&self, hash: H256, chunk: Bytes)
Feed a raw block chunk to the service to be processed asynchronously. no-op if currently restoring.
fn provide_canon_hashes(&self, canonical: &[(u64, H256)])
Give the restoration in-progress some canonical block hashes for extra verification (performed at the end)
Trait Implementations
impl IpcConfig for SnapshotService
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fn api_version() -> Version
Current service api version Should be increased if any of the methods changes signature Read more
fn protocol_version() -> Version
Current ipc protocol version Should be increased only if signature of system methods changes Read more
fn handshake(handshake: &Handshake) -> bool
Default handshake requires exact versions match
Implementors
impl SnapshotService for Service