openethereum/rpc/src/v1/helpers/block_import.rs

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2016-12-11 19:30:54 +01:00
// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity 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.
// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
//! Block import analysis functions.
use ethcore::client::BlockQueueInfo;
use ethsync::SyncState;
/// Check if client is during major sync or during block import.
pub fn is_major_importing(sync_state: Option<SyncState>, queue_info: BlockQueueInfo) -> bool {
let is_syncing_state = sync_state.map_or(false, |s|
s != SyncState::Idle && s != SyncState::NewBlocks
);
let is_verifying = queue_info.unverified_queue_size + queue_info.verified_queue_size > 3;
is_verifying || is_syncing_state
}
#[cfg(test)]
mod tests {
use ethcore::client::BlockQueueInfo;
use ethsync::SyncState;
use super::is_major_importing;
fn queue_info(unverified: usize, verified: usize) -> BlockQueueInfo {
BlockQueueInfo {
unverified_queue_size: unverified,
verified_queue_size: verified,
verifying_queue_size: 0,
max_queue_size: 1000,
max_mem_use: 1000,
mem_used: 500
}
}
#[test]
fn is_still_verifying() {
assert!(!is_major_importing(None, queue_info(2, 1)));
assert!(is_major_importing(None, queue_info(2, 2)));
}
#[test]
fn is_synced_state() {
assert!(is_major_importing(Some(SyncState::Blocks), queue_info(0, 0)));
assert!(!is_major_importing(Some(SyncState::Idle), queue_info(0, 0)));
}
}