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[NOD-1189] Exit early if we've filtered out all the hashes in block relay. (#827)

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stasatdaglabs 2020-07-27 12:23:43 +03:00 committed by GitHub
parent 089fe828aa
commit 0cec1ce23e
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1 changed files with 5 additions and 1 deletions
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6
protocol/flows/blockrelay/handle_relay_invs.go
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@ -103,7 +103,6 @@ func (flow *handleRelayInvsFlow) readInv() (*wire.MsgInvRelayBlock, error) {
}
func (flow *handleRelayInvsFlow) requestBlocks(requestQueue *hashesQueueSet) error {
numHashesToRequest := mathUtil.MinInt(wire.MsgGetRelayBlocksHashes, requestQueue.len())
hashesToRequest := requestQueue.dequeue(numHashesToRequest)
@ -119,6 +118,11 @@ func (flow *handleRelayInvsFlow) requestBlocks(requestQueue *hashesQueueSet) err
filteredHashesToRequest = append(filteredHashesToRequest, hash)
}
// Exit early if we've filtered out all the hashes
if len(filteredHashesToRequest) == 0 {
return nil
}
// In case the function returns earlier than expected, we want to make sure requestedBlocks is
// clean from any pending blocks.
defer flow.SharedRequestedBlocks().removeSet(pendingBlocks)