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On negotiation check only blocks in future of PP

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This commit is contained in:
Ori Newman 2022-11-29 13:48:51 +02:00
parent a9e4fabeed
commit 88ecede2ae
1 changed files with 14 additions and 2 deletions
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16
app/protocol/flows/v5/blockrelay/ibd.go
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@ -175,6 +175,11 @@ func (flow *handleIBDFlow) negotiateMissingSyncerChainSegment() (*externalapi.Do
chainNegotiationRestartCounter := 0
chainNegotiationZoomCounts := 0
initialLocatorLen := len(locatorHashes)
pruningPoint, err := flow.Domain().Consensus().PruningPoint()
if err != nil {
return nil, nil, err
}
for {
var lowestUnknownSyncerChainHash, currentHighestKnownSyncerChainHash *externalapi.DomainHash
for _, syncerChainHash := range locatorHashes {
@ -187,8 +192,15 @@ func (flow *handleIBDFlow) negotiateMissingSyncerChainSegment() (*externalapi.Do
return nil, nil, protocolerrors.Errorf(true, "Sent invalid chain block %s", syncerChainHash)
}
currentHighestKnownSyncerChainHash = syncerChainHash
break
isInSelectedParentChainOfPruningPoint, err := flow.Domain().Consensus().IsInSelectedParentChainOf(pruningPoint, syncerChainHash)
if err != nil {
return nil, nil, err
}
if isInSelectedParentChainOfPruningPoint {
currentHighestKnownSyncerChainHash = syncerChainHash
break
}
}
lowestUnknownSyncerChainHash = syncerChainHash
}