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core: generate indices if txIndexTail is not nil

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This commit is contained in:
rjl493456442 2019-08-30 14:19:27 +08:00
parent 574454248c
commit 2d14844470
2 changed files with 11 additions and 1 deletions
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2
cmd/geth/chaincmd.go
View file

@ -69,6 +69,7 @@ It expects the genesis file as argument.`,
utils.GCModeFlag,
utils.CacheDatabaseFlag,
utils.CacheGCFlag,
utils.TxLookupLimitFlag,
},
Category: "BLOCKCHAIN COMMANDS",
Description: `
@ -136,6 +137,7 @@ The export-preimages command export hash preimages to an RLP encoded stream`,
utils.FakePoWFlag,
utils.TestnetFlag,
utils.RinkebyFlag,
utils.TxLookupLimitFlag,
},
Category: "BLOCKCHAIN COMMANDS",
Description: `

10
core/blockchain.go
View file

@ -141,7 +141,7 @@ type BlockChain struct {
// txLookupLimit is the maximum number of blocks from head whose tx indices
// are reserved:
// * 0: means no limit and regenerate any missing indexes
// * N: means N block limit [HEAD-N, HEAD] and delete extra indexes
// * N: means N block limit [HEAD-N+1, HEAD] and delete extra indexes
// * nil: disable tx reindexer/deleter, but still index new blocks
txLookupLimit uint64
@ -1112,8 +1112,16 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
// * If all ancient tx indices are required to be reserved(txlookuplimit is even higher than ancientlimit)
// * If block number is large enough to be regarded as a recent block
// It means blocks below the ancientLimit-txlookupLimit won't be indexed.
//
// But if the `TxIndexTail` is not nil, e.g. Geth is initialized with
// an external ancient database, during the setup, blockchain will start
// a background routine to re-indexed all indices in [ancients - txlookupLimit, ancients)
// range. In this case, all tx indices of newly imported blocks should be
// generated.
if bc.txLookupLimit == 0 || ancientLimit <= bc.txLookupLimit || block.NumberU64() >= ancientLimit-bc.txLookupLimit {
rawdb.WriteTxLookupEntries(batch, block)
} else if rawdb.ReadTxIndexTail(bc.db) != nil {
rawdb.WriteTxLookupEntries(batch, block)
}
stats.processed++
}