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core: reset tx lookup cache if necessary (#28865)

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This pull request resets the txlookup cache if chain reorg happens, 
preventing them from remaining reachable. It addresses failures in
the hive tests.
This commit is contained in:
rjl493456442 2024-01-30 09:34:14 +08:00 committed by GitHub
parent fc380f52ef
commit eaac53ec38
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1 changed files with 11 additions and 3 deletions
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14
core/blockchain.go
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@ -2188,6 +2188,12 @@ func (bc *BlockChain) reorg(oldHead *types.Header, newHead *types.Block) error {
// rewind the canonical chain to a lower point. // rewind the canonical chain to a lower point.
log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "oldblocks", len(oldChain), "newnum", newBlock.Number(), "newhash", newBlock.Hash(), "newblocks", len(newChain)) log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "oldblocks", len(oldChain), "newnum", newBlock.Number(), "newhash", newBlock.Hash(), "newblocks", len(newChain))
} }
// Reset the tx lookup cache in case to clear stale txlookups.
// This is done before writing any new chain data to avoid the
// weird scenario that canonical chain is changed while the
// stale lookups are still cached.
bc.txLookupCache.Purge()
// Insert the new chain(except the head block(reverse order)), // Insert the new chain(except the head block(reverse order)),
// taking care of the proper incremental order. // taking care of the proper incremental order.
for i := len(newChain) - 1; i >= 1; i-- { for i := len(newChain) - 1; i >= 1; i-- {
@ -2202,11 +2208,13 @@ func (bc *BlockChain) reorg(oldHead *types.Header, newHead *types.Block) error {
// Delete useless indexes right now which includes the non-canonical // Delete useless indexes right now which includes the non-canonical
// transaction indexes, canonical chain indexes which above the head. // transaction indexes, canonical chain indexes which above the head.
indexesBatch := bc.db.NewBatch() var (
for _, tx := range types.HashDifference(deletedTxs, addedTxs) { indexesBatch = bc.db.NewBatch()
diffs = types.HashDifference(deletedTxs, addedTxs)
)
for _, tx := range diffs {
rawdb.DeleteTxLookupEntry(indexesBatch, tx) rawdb.DeleteTxLookupEntry(indexesBatch, tx)
} }
// Delete all hash markers that are not part of the new canonical chain. // Delete all hash markers that are not part of the new canonical chain.
// Because the reorg function does not handle new chain head, all hash // Because the reorg function does not handle new chain head, all hash
// markers greater than or equal to new chain head should be deleted. // markers greater than or equal to new chain head should be deleted.