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Fix the reseal mechanism.

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This commit is contained in:
Gav Wood 2016-06-30 22:35:59 +02:00
parent 24e73f3aec
commit 29b6ba4a87
1 changed files with 12 additions and 8 deletions
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18
ethcore/src/miner/miner.rs
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@ -158,7 +158,7 @@ impl Miner {
fn prepare_sealing(&self, chain: &MiningBlockChainClient) { fn prepare_sealing(&self, chain: &MiningBlockChainClient) {
trace!(target: "miner", "prepare_sealing: entering"); trace!(target: "miner", "prepare_sealing: entering");
let (transactions, mut open_block, last_work_hash) = { let (transactions, mut open_block, original_work_hash) = {
let transactions = {self.transaction_queue.lock().unwrap().top_transactions()}; let transactions = {self.transaction_queue.lock().unwrap().top_transactions()};
let mut sealing_work = self.sealing_work.lock().unwrap(); let mut sealing_work = self.sealing_work.lock().unwrap();
let last_work_hash = sealing_work.peek_last_ref().map(|pb| pb.block().fields().header.hash()); let last_work_hash = sealing_work.peek_last_ref().map(|pb| pb.block().fields().header.hash());
@ -254,24 +254,28 @@ impl Miner {
} }
} }
let work = { let (work, is_new) = {
let mut sealing_work = self.sealing_work.lock().unwrap(); let mut sealing_work = self.sealing_work.lock().unwrap();
trace!(target: "miner", "Checking whether we need to reseal: last={:?}, this={:?}", last_work_hash, block.block().fields().header.hash()); let last_work_hash = sealing_work.peek_last_ref().map(|pb| pb.block().fields().header.hash());
let work = if last_work_hash.map_or(true, |h| h != block.block().fields().header.hash()) { trace!(target: "miner", "Checking whether we need to reseal: orig={:?} last={:?}, this={:?}", original_work_hash, last_work_hash, block.block().fields().header.hash());
let (work, is_new) = if last_work_hash.map_or(true, |h| h != block.block().fields().header.hash()) {
trace!(target: "miner", "Pushing a new, refreshed or borrowed pending {}...", block.block().fields().header.hash()); trace!(target: "miner", "Pushing a new, refreshed or borrowed pending {}...", block.block().fields().header.hash());
let pow_hash = block.block().fields().header.hash(); let pow_hash = block.block().fields().header.hash();
let number = block.block().fields().header.number(); let number = block.block().fields().header.number();
let difficulty = *block.block().fields().header.difficulty(); let difficulty = *block.block().fields().header.difficulty();
let is_new = original_work_hash.map_or(false, |h| block.block().fields().header.hash() == h);
sealing_work.push(block); sealing_work.push(block);
Some((pow_hash, difficulty, number)) (Some((pow_hash, difficulty, number)), is_new)
} else { } else {
None (None, false)
}; };
trace!(target: "miner", "prepare_sealing: leaving (last={:?})", sealing_work.peek_last_ref().map(|b| b.block().fields().header.hash())); trace!(target: "miner", "prepare_sealing: leaving (last={:?})", sealing_work.peek_last_ref().map(|b| b.block().fields().header.hash()));
work (work, is_new)
}; };
if is_new {
work.map(|(pow_hash, difficulty, number)| self.work_poster.as_ref().map(|ref p| p.notify(pow_hash, difficulty, number))); work.map(|(pow_hash, difficulty, number)| self.work_poster.as_ref().map(|ref p| p.notify(pow_hash, difficulty, number)));
} }
}
fn update_gas_limit(&self, chain: &MiningBlockChainClient) { fn update_gas_limit(&self, chain: &MiningBlockChainClient) {
let gas_limit = HeaderView::new(&chain.best_block_header()).gas_limit(); let gas_limit = HeaderView::new(&chain.best_block_header()).gas_limit();