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Remove the no-longer relevant highHashReceived mechanism in syncHeaders. (#1489)

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stasatdaglabs 2021-02-04 16:06:20 +02:00 committed by GitHub
parent 6f53da18b1
commit 8941c518fc
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1 changed files with 21 additions and 21 deletions
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42
app/protocol/flows/blockrelay/ibd.go
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@ -56,28 +56,28 @@ func (flow *handleRelayInvsFlow) runIBDIfNotRunning(highHash *externalapi.Domain
}
func (flow *handleRelayInvsFlow) syncHeaders(highHash *externalapi.DomainHash) error {
highHashReceived := false
for !highHashReceived {
log.Debugf("Trying to find highest shared chain block with peer %s with high hash %s", flow.peer, highHash)
highestSharedBlockHash, err := flow.findHighestSharedBlockHash(highHash)
if err != nil {
return err
}
log.Debugf("Found highest shared chain block %s with peer %s", highestSharedBlockHash, flow.peer)
err = flow.downloadHeaders(highestSharedBlockHash, highHash)
if err != nil {
return err
}
// We're finished once highHash has been inserted into the DAG
blockInfo, err := flow.Domain().Consensus().GetBlockInfo(highHash)
if err != nil {
return err
}
highHashReceived = blockInfo.Exists
log.Debugf("Headers downloaded from peer %s. Are further headers required: %t", flow.peer, !highHashReceived)
log.Debugf("Trying to find highest shared chain block with peer %s with high hash %s", flow.peer, highHash)
highestSharedBlockHash, err := flow.findHighestSharedBlockHash(highHash)
if err != nil {
return err
}
log.Debugf("Found highest shared chain block %s with peer %s", highestSharedBlockHash, flow.peer)
err = flow.downloadHeaders(highestSharedBlockHash, highHash)
if err != nil {
return err
}
// If the highHash has not been received, the peer is misbehaving
highHashBlockInfo, err := flow.Domain().Consensus().GetBlockInfo(highHash)
if err != nil {
return err
}
if !highHashBlockInfo.Exists {
return protocolerrors.Errorf(true, "did not receive "+
"highHash header %s from peer %s during header download", highHash, flow.peer)
}
log.Debugf("Headers downloaded from peer %s", flow.peer)
return nil
}