145 lines
3.9 KiB
Rust
145 lines
3.9 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of Open Ethereum.
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// Open Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Open Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Open Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Test implementation of SyncProvider.
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use std::collections::BTreeMap;
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use ethereum_types::{H256, H512};
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use parking_lot::RwLock;
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use network::client_version::ClientVersion;
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use futures::sync::mpsc;
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use sync::{SyncProvider, EthProtocolInfo, SyncStatus, PeerInfo, TransactionStats, SyncState};
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/// TestSyncProvider config.
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pub struct Config {
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/// Protocol version.
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pub network_id: u64,
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/// Number of peers.
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pub num_peers: usize,
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}
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/// Test sync provider.
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pub struct TestSyncProvider {
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/// Sync status.
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pub status: RwLock<SyncStatus>,
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/// is major importing?
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is_importing: RwLock<bool>,
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}
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impl TestSyncProvider {
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/// Creates new sync provider.
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pub fn new(config: Config) -> Self {
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TestSyncProvider {
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status: RwLock::new(SyncStatus {
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state: SyncState::Idle,
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network_id: config.network_id,
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protocol_version: 64,
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start_block_number: 0,
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last_imported_block_number: None,
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highest_block_number: None,
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blocks_total: 0,
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blocks_received: 0,
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num_peers: config.num_peers,
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num_active_peers: 0,
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mem_used: 0,
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num_snapshot_chunks: 0,
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snapshot_chunks_done: 0,
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last_imported_old_block_number: None,
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}),
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is_importing: RwLock::new(false)
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}
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}
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/// Simulate importing blocks.
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pub fn increase_imported_block_number(&self, count: u64) {
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let mut status = self.status.write();
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*self.is_importing.write() = true;
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let current_number = status.last_imported_block_number.unwrap_or(0);
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status.last_imported_block_number = Some(current_number + count);
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}
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}
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impl SyncProvider for TestSyncProvider {
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fn status(&self) -> SyncStatus {
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self.status.read().clone()
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}
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fn peers(&self) -> Vec<PeerInfo> {
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vec![
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PeerInfo {
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id: Some("node1".to_owned()),
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client_version: ClientVersion::from("Parity-Ethereum/1/v2.4.0/linux/rustc"),
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capabilities: vec!["eth/63".to_owned(), "eth/64".to_owned()],
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remote_address: "127.0.0.1:7777".to_owned(),
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local_address: "127.0.0.1:8888".to_owned(),
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eth_info: Some(EthProtocolInfo {
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version: 63,
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difficulty: Some(40.into()),
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head: H256::from_low_u64_be(50),
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}),
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pip_info: None,
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},
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PeerInfo {
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id: None,
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client_version: ClientVersion::from("OpenEthereum/2/v2.7.0/linux/rustc"),
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capabilities: vec!["eth/64".to_owned(), "eth/65".to_owned()],
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remote_address: "Handshake".to_owned(),
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local_address: "127.0.0.1:3333".to_owned(),
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eth_info: Some(EthProtocolInfo {
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version: 65,
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difficulty: None,
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head: H256::from_low_u64_be(60),
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}),
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pip_info: None,
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}
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]
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}
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fn enode(&self) -> Option<String> {
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None
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}
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fn transactions_stats(&self) -> BTreeMap<H256, TransactionStats> {
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btreemap![
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H256::from_low_u64_be(1) => TransactionStats {
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first_seen: 10,
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propagated_to: btreemap![
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H512::from_low_u64_be(128) => 16
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],
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},
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H256::from_low_u64_be(5) => TransactionStats {
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first_seen: 16,
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propagated_to: btreemap![
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H512::from_low_u64_be(16) => 1
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],
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}
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]
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}
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fn sync_notification(&self) -> mpsc::UnboundedReceiver<SyncState> {
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unimplemented!()
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}
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fn is_major_syncing(&self) -> bool {
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match (self.status.read().state, *self.is_importing.read()) {
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(SyncState::Idle, _) => false,
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(SyncState::Blocks, _) => true,
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(_, true) => true,
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_ => false
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}
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}
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}
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