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Merge branch 'ethereum:master' into portal

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Chen Kai 2024-01-30 12:08:03 +08:00 committed by GitHub
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2 changed files with 12 additions and 4 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.
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)),
// taking care of the proper incremental order.
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
// transaction indexes, canonical chain indexes which above the head.
indexesBatch := bc.db.NewBatch()
for _, tx := range types.HashDifference(deletedTxs, addedTxs) {
var (
indexesBatch = bc.db.NewBatch()
diffs = types.HashDifference(deletedTxs, addedTxs)
)
for _, tx := range diffs {
rawdb.DeleteTxLookupEntry(indexesBatch, tx)
}
// 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
// markers greater than or equal to new chain head should be deleted.

2
docs/postmortems/2021-08-22-split-postmortem.md
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@ -87,7 +87,7 @@ The blocks on the 'bad' chain were investigated, and Tim Beiko reached out to th
### Disclosure decision
The geth-team have an official policy regarding [vulnerability disclosure](https://geth.ethereum.org/docs/vulnerabilities/vulnerabilities).
The geth-team have an official policy regarding [vulnerability disclosure](https://geth.ethereum.org/docs/developers/geth-developer/disclosures).
> The primary goal for the Geth team is the health of the Ethereum network as a whole, and the decision whether or not to publish details about a serious vulnerability boils down to minimizing the risk and/or impact of discovery and exploitation.