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core: fix chain indexer (#19786)

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This PR fixes an issue in chain indexer. Currently chain indexer will
validate whether the stored data is canonical by comparing section head
and canonical hash. But the header of the checkpoint may not exist in
the database. We should skip validation for sections below the
checkpoint.
This commit is contained in:
gary rong 2019-07-03 16:18:48 +08:00 committed by Péter Szilágyi
parent 32273df0ea
commit 802074cba9
1 changed files with 1 additions and 1 deletions
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core/chain_indexer.go
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@ -418,7 +418,7 @@ func (c *ChainIndexer) processSection(section uint64, lastHead common.Hash) (com
// actual canonical chain and rolls back reorged sections if necessary to ensure that stored
// sections are all valid
func (c *ChainIndexer) verifyLastHead() {
for c.storedSections > 0 {
for c.storedSections > 0 && c.storedSections > c.checkpointSections {
if c.SectionHead(c.storedSections-1) == rawdb.ReadCanonicalHash(c.chainDb, c.storedSections*c.sectionSize-1) {
return
}