update

Author: avatarH

core/rawdb/accessors_chain.go

@@ -35,16 +35,19 @@ import (
 func ReadCanonicalHash(db ethdb.Reader, number uint64) common.Hash {
 	data, _ := db.Ancient(freezerHashTable, number)
 	if len(data) == 0 {
+		log.Error("Ancient(freezerHashTable empty", "number", number)
 		data, _ = db.Get(headerHashKey(number))
 		// In the background freezer is moving data from leveldb to flatten files.
 		// So during the first check for ancient db, the data is not yet in there,
 		// but when we reach into leveldb, the data was already moved. That would
 		// result in a not found error.
 		if len(data) == 0 {
+			log.Error("Get(headerHashKey empty", "number", number)
 			data, _ = db.Ancient(freezerHashTable, number)
 		}
 	}
 	if len(data) == 0 {
+		log.Error("Ancient(freezerHashTable empty again", "number", number)
 		return common.Hash{}
 	}
 	return common.BytesToHash(data)

core/rawdb/accessors_indexes.go

@@ -33,6 +33,7 @@ import (
 func ReadTxLookupEntry(db ethdb.Reader, hash common.Hash) *uint64 {
 	data, _ := db.Get(txLookupKey(hash))
 	if len(data) == 0 {
+		log.Error("txLookupKey get failed", "hash", hash)
 		return nil
 	}
 	// Database v6 tx lookup just stores the block number
@@ -98,10 +99,12 @@ func DeleteTxLookupEntries(db ethdb.KeyValueWriter, hashes []common.Hash) {
 func ReadTransaction(db ethdb.Reader, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) {
 	blockNumber := ReadTxLookupEntry(db, hash)
 	if blockNumber == nil {
+		log.Error("ReadTxLookupEntry failed", "hash", hash)
 		return nil, common.Hash{}, 0, 0
 	}
 	blockHash := ReadCanonicalHash(db, *blockNumber)
 	if blockHash == (common.Hash{}) {
+		log.Error("ReadCanonicalHash failed", "number", blockNumber, "hash", hash)
 		return nil, common.Hash{}, 0, 0
 	}
 	body := ReadBody(db, blockHash, *blockNumber)