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core/blockchain : reindex tx from ancients after crashing #25892

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core/blockchain : reindex tx from ancients after crashing #25892

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17 changes: 15 additions & 2 deletions core/blockchain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -298,6 +298,11 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis
if bc.empty() {
rawdb.InitDatabaseFromFreezer(bc.db)
}
var txIndexBlock uint64
frozen, _ := bc.db.Ancients()
if frozen > 0 {
txIndexBlock = frozen
}
// Load blockchain states from disk
if err := bc.loadLastState(); err != nil {
return nil, err
Expand Down Expand Up @@ -433,7 +438,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis
bc.txLookupLimit = *txLookupLimit

bc.wg.Add(1)
go bc.maintainTxIndex()
go bc.maintainTxIndex(txIndexBlock)
}
return bc, nil
}
Expand Down Expand Up @@ -2330,9 +2335,17 @@ func (bc *BlockChain) indexBlocks(tail *uint64, head uint64, done chan struct{})
// The user can adjust the txlookuplimit value for each launch after sync,
// Geth will automatically construct the missing indices or delete the extra
// indices.
func (bc *BlockChain) maintainTxIndex() {
func (bc *BlockChain) maintainTxIndex(ancients uint64) {
defer bc.wg.Done()

if ancients > 0 && ancients > bc.txLookupLimit {
var from = uint64(0)
if bc.txLookupLimit != 0 {
from = ancients - bc.txLookupLimit
}
rawdb.IndexTransactions(bc.db, from, ancients, bc.quit)
}

// Listening to chain events and manipulate the transaction indexes.
var (
done chan struct{} // Non-nil if background unindexing or reindexing routine is active.
Expand Down