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check if blocks exist

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This commit is contained in:
msutton 2022-06-29 11:38:49 +03:00
parent ea285755d4
commit 08b6dc74eb
1 changed files with 27 additions and 3 deletions
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30
app/protocol/flows/v5/blockrelay/handle_request_headers.go
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@ -46,7 +46,31 @@ func (flow *handleRequestHeadersFlow) start() error {
}
log.Debugf("Received requestHeaders with lowHash: %s, highHash: %s", lowHash, highHash)
isLowSelectedAncestorOfHigh, err := flow.Domain().Consensus().IsInSelectedParentChainOf(lowHash, highHash)
consensus := flow.Domain().Consensus()
lowHashInfo, err := consensus.GetBlockInfo(lowHash)
if err != nil {
return err
}
if !lowHashInfo.Exists {
return protocolerrors.Errorf(true, "Block %s does not exist", lowHash)
}
if lowHashInfo.BlockStatus == externalapi.StatusInvalid {
return protocolerrors.Errorf(true, "Block %s is invalid", lowHash)
}
highHashInfo, err := consensus.GetBlockInfo(highHash)
if err != nil {
return err
}
if !highHashInfo.Exists {
return protocolerrors.Errorf(true, "Block %s does not exist", highHash)
}
if highHashInfo.BlockStatus == externalapi.StatusInvalid {
return protocolerrors.Errorf(true, "Block %s is invalid", highHash)
}
isLowSelectedAncestorOfHigh, err := consensus.IsInSelectedParentChainOf(lowHash, highHash)
if err != nil {
return err
}
@ -62,7 +86,7 @@ func (flow *handleRequestHeadersFlow) start() error {
// in order to avoid locking the consensus for too long
// maxBlocks MUST be >= MergeSetSizeLimit + 1
const maxBlocks = 1 << 10
blockHashes, _, err := flow.Domain().Consensus().GetHashesBetween(lowHash, highHash, maxBlocks)
blockHashes, _, err := consensus.GetHashesBetween(lowHash, highHash, maxBlocks)
if err != nil {
return err
}
@ -70,7 +94,7 @@ func (flow *handleRequestHeadersFlow) start() error {
blockHeaders := make([]*appmessage.MsgBlockHeader, len(blockHashes))
for i, blockHash := range blockHashes {
blockHeader, err := flow.Domain().Consensus().GetBlockHeader(blockHash)
blockHeader, err := consensus.GetBlockHeader(blockHash)
if err != nil {
return err
}