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Merge pull request #736 from onflow/yurii/5417-approval-processing-en…
…gine [Consensus] Approval Processing Core -> Sealing Core
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83 changes: 83 additions & 0 deletions
83
consensus/hotstuff/notifications/pubsub/finalization_distributor.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package pubsub | ||
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| import ( | ||
| "sync" | ||
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| "github.com/onflow/flow-go/consensus/hotstuff/model" | ||
| "github.com/onflow/flow-go/model/flow" | ||
| ) | ||
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| type OnBlockFinalizedConsumer = func(finalizedBlockID flow.Identifier) | ||
| type OnBlockIncorporatedConsumer = func(incorporatedBlockID flow.Identifier) | ||
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| // FinalizationDistributor subscribes for finalization events from hotstuff and distributes it to subscribers | ||
| type FinalizationDistributor struct { | ||
| blockFinalizedConsumers []OnBlockFinalizedConsumer | ||
| blockIncorporatedConsumers []OnBlockIncorporatedConsumer | ||
| lock sync.RWMutex | ||
| } | ||
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| func NewFinalizationDistributor() *FinalizationDistributor { | ||
| return &FinalizationDistributor{ | ||
| blockFinalizedConsumers: make([]OnBlockFinalizedConsumer, 0), | ||
| blockIncorporatedConsumers: make([]OnBlockIncorporatedConsumer, 0), | ||
| lock: sync.RWMutex{}, | ||
| } | ||
| } | ||
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| func (p *FinalizationDistributor) AddOnBlockFinalizedConsumer(consumer OnBlockFinalizedConsumer) { | ||
| p.lock.Lock() | ||
| defer p.lock.Unlock() | ||
| p.blockFinalizedConsumers = append(p.blockFinalizedConsumers, consumer) | ||
| } | ||
| func (p *FinalizationDistributor) AddOnBlockIncorporatedConsumer(consumer OnBlockIncorporatedConsumer) { | ||
| p.lock.Lock() | ||
| defer p.lock.Unlock() | ||
| p.blockIncorporatedConsumers = append(p.blockIncorporatedConsumers, consumer) | ||
| } | ||
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| func (p *FinalizationDistributor) OnEventProcessed() {} | ||
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| func (p *FinalizationDistributor) OnBlockIncorporated(block *model.Block) { | ||
| p.lock.RLock() | ||
| defer p.lock.RUnlock() | ||
| for _, consumer := range p.blockIncorporatedConsumers { | ||
| consumer(block.BlockID) | ||
| } | ||
| } | ||
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| func (p *FinalizationDistributor) OnFinalizedBlock(block *model.Block) { | ||
| p.lock.RLock() | ||
| defer p.lock.RUnlock() | ||
| for _, consumer := range p.blockFinalizedConsumers { | ||
| consumer(block.BlockID) | ||
| } | ||
| } | ||
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| func (p *FinalizationDistributor) OnDoubleProposeDetected(*model.Block, *model.Block) {} | ||
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| func (p *FinalizationDistributor) OnReceiveVote(uint64, *model.Vote) {} | ||
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| func (p *FinalizationDistributor) OnReceiveProposal(uint64, *model.Proposal) {} | ||
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| func (p *FinalizationDistributor) OnEnteringView(uint64, flow.Identifier) {} | ||
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| func (p *FinalizationDistributor) OnQcTriggeredViewChange(*flow.QuorumCertificate, uint64) {} | ||
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| func (p *FinalizationDistributor) OnProposingBlock(*model.Proposal) {} | ||
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| func (p *FinalizationDistributor) OnVoting(*model.Vote) {} | ||
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| func (p *FinalizationDistributor) OnQcConstructedFromVotes(*flow.QuorumCertificate) {} | ||
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| func (p *FinalizationDistributor) OnStartingTimeout(*model.TimerInfo) {} | ||
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| func (p *FinalizationDistributor) OnReachedTimeout(*model.TimerInfo) {} | ||
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| func (p *FinalizationDistributor) OnQcIncorporated(*flow.QuorumCertificate) {} | ||
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| func (p *FinalizationDistributor) OnForkChoiceGenerated(uint64, *flow.QuorumCertificate) {} | ||
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| func (p *FinalizationDistributor) OnDoubleVotingDetected(*model.Vote, *model.Vote) {} | ||
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| func (p *FinalizationDistributor) OnInvalidVoteDetected(*model.Vote) {} |
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