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Avoid sealing unnecessarily.

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This commit is contained in:
Gav Wood 2016-03-04 23:43:59 +01:00
parent 86c34c7d10
commit 8f00056171
1 changed files with 7 additions and 2 deletions
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9
ethcore/src/client.rs
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@ -17,6 +17,7 @@
//! Blockchain database client.
use std::marker::PhantomData;
use std::sync::atomic::AtomicBool;
use util::*;
use util::panics::*;
use blockchain::{BlockChain, BlockProvider};
@ -200,6 +201,7 @@ pub struct Client<V = CanonVerifier> where V: Verifier {
panic_handler: Arc<PanicHandler>,
// for sealing...
sealing_enabled: AtomicBool,
sealing_block: Mutex<Option<ClosedBlock>>,
author: RwLock<Address>,
extra_data: RwLock<Bytes>,
@ -251,6 +253,7 @@ impl<V> Client<V> where V: Verifier {
report: RwLock::new(Default::default()),
import_lock: Mutex::new(()),
panic_handler: panic_handler,
sealing_enabled: AtomicBool::new(false),
sealing_block: Mutex::new(None),
author: RwLock::new(Address::new()),
extra_data: RwLock::new(Vec::new()),
@ -398,7 +401,7 @@ impl<V> Client<V> where V: Verifier {
}
}
if self.chain_info().best_block_hash != original_best {
if self.chain_info().best_block_hash != original_best && self.sealing_enabled.load(atomic::Ordering::Relaxed) {
self.prepare_sealing();
}
@ -481,7 +484,7 @@ impl<V> Client<V> where V: Verifier {
self.extra_data()
);
self.chain.read().unwrap().find_uncle_headers(&h, self.engine.deref().deref().maximum_uncle_age()).unwrap().into_iter().foreach(|h| { b.push_uncle(h).unwrap(); });
self.chain.read().unwrap().find_uncle_headers(&h, self.engine.deref().deref().maximum_uncle_age()).unwrap().into_iter().take(self.engine.deref().deref().maximum_uncle_count()).foreach(|h| { b.push_uncle(h).unwrap(); });
// TODO: push transactions.
@ -493,6 +496,8 @@ impl<V> Client<V> where V: Verifier {
/// Grab the `ClosedBlock` that we want to be sealed. Comes as a mutex that you have to lock.
pub fn sealing_block(&self) -> &Mutex<Option<ClosedBlock>> {
if self.sealing_block.lock().unwrap().is_none() {
self.sealing_enabled.store(true, atomic::Ordering::Relaxed);
// TODO: Above should be on a timer that resets after two blocks have arrived without being asked for.
self.prepare_sealing();
}
&self.sealing_block