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Check blue score before requesting a pruning proof (#1835)

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* Check blue score before requesting a pruning proof

* BuildPruningPointProof should return empty proof if the pruning point is genesis

* Don't fail many-tips if kaspad exits ungracefully
This commit is contained in:
Ori Newman 2021-10-31 12:48:18 +02:00 committed by GitHub
parent 77a344cc29
commit 99aaacd649
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 22 additions and 6 deletions
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10
app/protocol/flows/blockrelay/ibd_with_headers_proof.go
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@ -43,12 +43,12 @@ func (flow *handleRelayInvsFlow) shouldSyncAndShouldDownloadHeadersProof(highBlo
highestSharedBlockFound bool) (shouldDownload, shouldSync bool, err error) {
if !highestSharedBlockFound {
hasMoreBlueWorkThanSelectedTip, err := flow.checkIfHighHashHasMoreBlueWorkThanSelectedTip(highBlock)
hasMoreBlueWorkThanSelectedTipAndPruningDepthMoreBlueScore, err := flow.checkIfHighHashHasMoreBlueWorkThanSelectedTipAndPruningDepthMoreBlueScore(highBlock)
if err != nil {
return false, false, err
}
if hasMoreBlueWorkThanSelectedTip {
if hasMoreBlueWorkThanSelectedTipAndPruningDepthMoreBlueScore {
return true, true, nil
}
@ -58,7 +58,7 @@ func (flow *handleRelayInvsFlow) shouldSyncAndShouldDownloadHeadersProof(highBlo
return false, true, nil
}
func (flow *handleRelayInvsFlow) checkIfHighHashHasMoreBlueWorkThanSelectedTip(highBlock *externalapi.DomainBlock) (bool, error) {
func (flow *handleRelayInvsFlow) checkIfHighHashHasMoreBlueWorkThanSelectedTipAndPruningDepthMoreBlueScore(highBlock *externalapi.DomainBlock) (bool, error) {
headersSelectedTip, err := flow.Domain().Consensus().GetHeadersSelectedTip()
if err != nil {
return false, err
@ -69,6 +69,10 @@ func (flow *handleRelayInvsFlow) checkIfHighHashHasMoreBlueWorkThanSelectedTip(h
return false, err
}
if highBlock.Header.BlueScore() < headersSelectedTipInfo.BlueScore+flow.Config().NetParams().PruningDepth() {
return false, nil
}
return highBlock.Header.BlueWork().Cmp(headersSelectedTipInfo.BlueWork) > 0, nil
}

11
domain/consensus/processes/pruningproofmanager/pruningproofmanager.go
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@ -88,6 +88,10 @@ func (ppm *pruningProofManager) BuildPruningPointProof(stagingArea *model.Stagin
return nil, err
}
if pruningPoint.Equal(ppm.genesisHash) {
return &externalapi.PruningPointProof{}, nil
}
pruningPointHeader, err := ppm.blockHeaderStore.BlockHeader(ppm.databaseContext, stagingArea, pruningPoint)
if err != nil {
return nil, err
@ -245,13 +249,18 @@ func (ppm *pruningProofManager) blockAtDepth(stagingArea *model.StagingArea, gho
func (ppm *pruningProofManager) ValidatePruningPointProof(pruningPointProof *externalapi.PruningPointProof) error {
stagingArea := model.NewStagingArea()
if len(pruningPointProof.Headers) == 0 {
return errors.Wrap(ruleerrors.ErrPruningProofEmpty, "pruning proof is empty")
}
level0Headers := pruningPointProof.Headers[0]
pruningPointHeader := level0Headers[len(level0Headers)-1]
pruningPoint := consensushashing.HeaderHash(pruningPointHeader)
pruningPointBlockLevel := pow.BlockLevel(pruningPointHeader)
maxLevel := len(pruningPointHeader.Parents()) - 1
if maxLevel >= len(pruningPointProof.Headers) {
return errors.Wrapf(ruleerrors.ErrPruningProofMissingBlockLevels, "proof has only %d levels while pruning point "+
return errors.Wrapf(ruleerrors.ErrPruningProofEmpty, "proof has only %d levels while pruning point "+
"has parents from %d levels", len(pruningPointProof.Headers), maxLevel+1)
}

1
domain/consensus/ruleerrors/rule_error.go
View File

@ -238,6 +238,7 @@ var (
ErrPruningProofInsufficientBlueWork = newRuleError("ErrPruningProofInsufficientBlueWork")
ErrPruningProofMissingBlockAtDepthMFromNextLevel = newRuleError("ErrPruningProofMissingBlockAtDepthMFromNextLevel")
ErrPruningProofMissesBlocksBelowPruningPoint = newRuleError("ErrPruningProofMissesBlocksBelowPruningPoint")
ErrPruningProofEmpty = newRuleError("ErrPruningProofEmpty")
ErrWrongCoinbaseSubsidy = newRuleError("ErrWrongCoinbaseSubsidy")
)

6
stability-tests/many-tips/main.go
View File

@ -132,7 +132,8 @@ func startNode() (teardown func(), err error) {
panics.Exit(log, fmt.Sprintf("kaspadCmd closed unexpectedly: %s. See logs at: %s", err, dataDir))
}
if !strings.Contains(err.Error(), "signal: killed") {
panics.Exit(log, fmt.Sprintf("kaspadCmd closed with an error: %s. See logs at: %s", err, dataDir))
// TODO: Panic here and check why sometimes kaspad closes ungracefully
log.Errorf("kaspadCmd closed with an error: %s. See logs at: %s", err, dataDir)
}
}
processesStoppedWg.Done()
@ -246,7 +247,8 @@ func mineLoopUntilHavingOnlyOneTipInDAG(rpcClient *rpc.Client, miningAddress uti
panics.Exit(log, fmt.Sprintf("minerCmd closed unexpectedly: %s.", err))
}
if !strings.Contains(err.Error(), "signal: killed") {
panics.Exit(log, fmt.Sprintf("minerCmd closed with an error: %s.", err))
// TODO: Panic here and check why sometimes miner closes ungracefully
log.Errorf("minerCmd closed with an error: %s", err)
}
}
})