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Fix and optimize view changing#590

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erikzhang merged 2 commits intoconsensus/improved_dbftfrom
consensus/optimize_changeview
Feb 19, 2019
Merged

Fix and optimize view changing#590
erikzhang merged 2 commits intoconsensus/improved_dbftfrom
consensus/optimize_changeview

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@erikzhang erikzhang requested a review from jsolman February 19, 2019 02:15
private void RequestChangeView()
{
context.State |= ConsensusState.ViewChanging;
byte expectedView = GetLastExpectedView(context.MyIndex);
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You can probably remove the GetLastExpectedView method in this PR now since we always send ChangeView messages in recovery.

if (context.ChangeViewPayloads.Count(p => p != null && p.GetDeserializedMessage<ChangeView>().NewViewNumber == viewNumber) >= context.M)
{
ChangeView message = context.ChangeViewPayloads[context.MyIndex]?.GetDeserializedMessage<ChangeView>();
if (message is null || message.NewViewNumber < viewNumber)
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I see this can happen from the path of receiving ChangeView if we receive M messages without having sent yet, right?
Nice fix.

@erikzhang erikzhang merged commit 445fa92 into consensus/improved_dbft Feb 19, 2019
@erikzhang erikzhang deleted the consensus/optimize_changeview branch February 19, 2019 08:45
erikzhang pushed a commit that referenced this pull request Mar 3, 2019
* Add commit phase to consensus algorithm (#534)

* Add commit phase to consensus algorithm

* fix tests

* Prevent repeated sending of `Commit` messages

* RPC call gettransactionheight (#541)

* getrawtransactionheight

Nowadays two calls are need to get a transaction height, `getrawtransaction` with `verbose` and then use the `blockhash`.
Other option is to use `confirmations`, but it can be misleading.

* Minnor fix

* Shargon's tip

* modified

* Allow to use the wallet inside a RPC plugin (#536)

* Clean code

* Clean code

* Minor fix on mempoolVerified

* Add MemoryPool Unit tests. Fix bug on initital start of Persisting the Genesis block.

* Prevent `ConsensusService` from receiving messages before starting (#573)

* Prevent `ConsensusService` from receiving messages before starting

* fixed tests - calling OnStart now

* Consensus recovery log (#572)

* Pass store to `ConsensusService`

* Implement `ISerializable` in `ConsensusContext`

* Start from recovery log

* Fix unit tests due to constructor taking the store.

* Add unit tests for serializing and deserializing the consensus context.

* Combine `ConsensusContext.ChangeView()` and `ConsensusContext.Reset()`

* Add `PreparationHash` field to `PrepareResponse` to prevent replay attacks from malicious primary (#576)

* Fixed a problem where `PrepareResponse.PreparationHash` was not assigned.

* Load context from store only when height matches

* Recover nodes requesting ChangeView when possible (#579)

* Fixes bug in `OnPrepareRequestReceived()`

* Send `RecoveryMessage` only when `message.NewViewNumber <= context.ViewNumber`

* Fix and optimize view changing (#590)

* Allow to ignore the recovery logs

* Add `isRecovering` (#594)

* Fix accepting own prepare request (#596)

* Pick some changes from #575.

* Fixes `Prefixes`

* Restore transactions from saved consensus context (#598)

* Refactoring

* AggressiveInlining (#606)

* Reset Block reference when consensus context is initialized after block persist. (#608)

* Change `ConsensusPayload` for compatibility (#609)
Thacryba pushed a commit to simplitech/neo that referenced this pull request Feb 17, 2020
Add some detail for getting log
Thacryba pushed a commit to simplitech/neo that referenced this pull request Feb 17, 2020
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2 participants