openethereum/crates/rpc/src/v1/tests/helpers/snapshot_service.rs

72 lines
2.3 KiB
Rust

// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
// OpenEthereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// OpenEthereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
use ethcore::snapshot::{CreationStatus, ManifestData, RestorationStatus, SnapshotService};
use bytes::Bytes;
use ethereum_types::H256;
use parking_lot::Mutex;
/// Mocked snapshot service (used for sync info extensions).
pub struct TestSnapshotService {
status: Mutex<RestorationStatus>,
}
impl TestSnapshotService {
/// Create a test snapshot service. Only the `status` function matters -- it'll
/// return `Inactive` by default.
pub fn new() -> Self {
TestSnapshotService {
status: Mutex::new(RestorationStatus::Inactive),
}
}
/// Set the restoration status.
pub fn set_status(&self, status: RestorationStatus) {
*self.status.lock() = status;
}
}
impl SnapshotService for TestSnapshotService {
fn manifest(&self) -> Option<ManifestData> {
None
}
fn manifest_block(&self) -> Option<(u64, H256)> {
None
}
fn supported_versions(&self) -> Option<(u64, u64)> {
None
}
fn completed_chunks(&self) -> Option<Vec<H256>> {
Some(vec![])
}
fn chunk(&self, _hash: H256) -> Option<Bytes> {
None
}
fn restoration_status(&self) -> RestorationStatus {
self.status.lock().clone()
}
fn creation_status(&self) -> CreationStatus {
CreationStatus::Inactive
}
fn begin_restore(&self, _manifest: ManifestData) {}
fn abort_restore(&self) {}
fn abort_snapshot(&self) {}
fn restore_state_chunk(&self, _hash: H256, _chunk: Bytes) {}
fn restore_block_chunk(&self, _hash: H256, _chunk: Bytes) {}
fn shutdown(&self) {}
}