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[R4R]fix: resolve the concurrent cache read and write issue for fast node #1009

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merged 2 commits into from
Jul 22, 2022
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[R4R]fix: resolve the concurrent cache read and write issue for fast node #1009

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75445bb
fix cache read and write concurrency issue of empty block
kyrie-yl Jul 21, 2022
287677a
fix: limit the size of chainHeadChanSize
unclezoro Jul 22, 2022
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5 changes: 3 additions & 2 deletions core/remote_state_verifier.go
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Original file line number Diff line number Diff line change
Expand Up @@ -211,8 +211,9 @@ func (vm *remoteVerifyManager) cacheBlockVerified(hash common.Hash) {
func (vm *remoteVerifyManager) AncestorVerified(header *types.Header) bool {
// find header of H-11 block.
header = vm.bc.GetHeaderByNumber(header.Number.Uint64() - maxForkHeight)
// If start from genesis block, there has not a H-11 block.
if header == nil {
// If start from genesis block, there has not a H-11 block,return true.
// Either if the block is an empty block, return true.
if header == nil || header.TxHash == types.EmptyRootHash {
return true
}

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2 changes: 1 addition & 1 deletion core/tx_pool.go
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Expand Up @@ -38,7 +38,7 @@ import (

const (
// chainHeadChanSize is the size of channel listening to ChainHeadEvent.
chainHeadChanSize = 10
chainHeadChanSize = 9

// txSlotSize is used to calculate how many data slots a single transaction
// takes up based on its size. The slots are used as DoS protection, ensuring
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