42 lines
1.9 KiB
Plaintext
42 lines
1.9 KiB
Plaintext
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@startuml hb_failure_evict
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title HeartbeatFailure → evictPeer → TriggerConsensus ou DHT replenish
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participant "Node A" as NodeA
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participant "Indexer X\n(défaillant)" as IX
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participant "Indexer Y\n(voter)" as IY
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participant "Indexer Z\n(voter)" as IZ
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participant "DHT" as DHT
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participant "Indexer NEW\n(candidat)" as INEW
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note over NodeA: SendHeartbeat tick — Indexer X dans le pool
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NodeA -> IX: stream.Encode(Heartbeat{...})
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IX -->x NodeA: timeout / transport error
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NodeA -> NodeA: HeartbeatFailure(h, proto, dir, addr_X, info_X, isIndexerHB=true, maxPool)
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NodeA -> NodeA: evictPeer(dir, addr_X, id_X, proto)\n→ Streams.Delete(proto, &id_X)\n→ DeleteAddr(addr_X)\n→ DeleteScore(addr_X)\n→ voters = remaining AddrInfos
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NodeA -> NodeA: poolSize = len(dir.GetAddrs())
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alt poolSize == 0
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NodeA -> NodeA: reconnectToSeeds()\n→ réinjecte IndexerAddresses (IsSeed=true)
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alt seeds ajoutés
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NodeA -> NodeA: need = maxPool\nNudgeIt() → tick immédiat
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else aucun seed configuré ou seeds injoignables
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NodeA -> NodeA: go retryUntilSeedResponds()\n(backoff 10s→5min, panic si IndexerAddresses vide)
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end
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else poolSize > 0 AND len(voters) > 0
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NodeA -> NodeA: go TriggerConsensus(h, voters, need)
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NodeA -> IY: stream GET → GetValue{Key: candidate_DID}
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IY --> NodeA: GetResponse{Found, Records}
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NodeA -> IZ: stream GET → GetValue{Key: candidate_DID}
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IZ --> NodeA: GetResponse{Found, Records}
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note over NodeA: Quorum check:\nfound=true AND lastSeen ≤ 2×interval\nAND lastScore ≥ 30\n→ majorité → admission INEW
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NodeA -> NodeA: Indexers.SetAddr(addr_NEW, &INEW_AddrInfo)\nIndexers.SetScore(addr_NEW, Score{IsSeed:false})\nNudgeIt()
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else poolSize > 0 AND len(voters) == 0
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NodeA -> DHT: go replenishIndexersFromDHT(h, need)\nDiscoverIndexersFromDHT → SelectByFillRate\n→ add to Indexers Directory
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end
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@enduml
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