From 8b1664dac816e13b5b40c5de253c6850663beb8d Mon Sep 17 00:00:00 2001 From: Gary Rong Date: Mon, 18 Dec 2023 15:39:52 +0800 Subject: [PATCH] core, core/rawdb, eth/sync: no tx indexing during snap sync --- core/blockchain.go | 117 ++++++++++-------------------- core/rawdb/accessors_chain.go | 17 ----- core/rawdb/chain_iterator.go | 52 +++++++------ core/rawdb/chain_iterator_test.go | 10 +-- core/rawdb/database.go | 1 - core/rawdb/schema.go | 2 + eth/sync.go | 18 ----- 7 files changed, 74 insertions(+), 143 deletions(-) diff --git a/core/blockchain.go b/core/blockchain.go index f458da8257..ea11ba1e60 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -1155,14 +1155,13 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ // Ensure genesis is in ancients. if first.NumberU64() == 1 { if frozen, _ := bc.db.Ancients(); frozen == 0 { - b := bc.genesisBlock td := bc.genesisBlock.Difficulty() - writeSize, err := rawdb.WriteAncientBlocks(bc.db, []*types.Block{b}, []types.Receipts{nil}, td) - size += writeSize + writeSize, err := rawdb.WriteAncientBlocks(bc.db, []*types.Block{bc.genesisBlock}, []types.Receipts{nil}, td) if err != nil { log.Error("Error writing genesis to ancients", "err", err) return 0, err } + size += writeSize log.Info("Wrote genesis to ancients") } } @@ -1176,44 +1175,11 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ // Write all chain data to ancients. td := bc.GetTd(first.Hash(), first.NumberU64()) writeSize, err := rawdb.WriteAncientBlocks(bc.db, blockChain, receiptChain, td) - size += writeSize if err != nil { log.Error("Error importing chain data to ancients", "err", err) return 0, err } - - // Write tx indices if any condition is satisfied: - // * If user requires to reserve all tx indices(txlookuplimit=0) - // * 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. - batch := bc.db.NewBatch() - for i, block := range blockChain { - if bc.txLookupLimit == 0 || ancientLimit <= bc.txLookupLimit || block.NumberU64() >= ancientLimit-bc.txLookupLimit { - rawdb.WriteTxLookupEntriesByBlock(batch, block) - } else if rawdb.ReadTxIndexTail(bc.db) != nil { - rawdb.WriteTxLookupEntriesByBlock(batch, block) - } - stats.processed++ - - if batch.ValueSize() > ethdb.IdealBatchSize || i == len(blockChain)-1 { - size += int64(batch.ValueSize()) - if err = batch.Write(); err != nil { - snapBlock := bc.CurrentSnapBlock().Number.Uint64() - if _, err := bc.db.TruncateHead(snapBlock + 1); err != nil { - log.Error("Can't truncate ancient store after failed insert", "err", err) - } - return 0, err - } - batch.Reset() - } - } + size += writeSize // Sync the ancient store explicitly to ensure all data has been flushed to disk. if err := bc.db.Sync(); err != nil { @@ -1231,8 +1197,10 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ } // Delete block data from the main database. - batch.Reset() - canonHashes := make(map[common.Hash]struct{}) + var ( + batch = bc.db.NewBatch() + canonHashes = make(map[common.Hash]struct{}) + ) for _, block := range blockChain { canonHashes[block.Hash()] = struct{}{} if block.NumberU64() == 0 { @@ -1255,8 +1223,10 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ // writeLive writes blockchain and corresponding receipt chain into active store. writeLive := func(blockChain types.Blocks, receiptChain []types.Receipts) (int, error) { - skipPresenceCheck := false - batch := bc.db.NewBatch() + var ( + skipPresenceCheck = false + batch = bc.db.NewBatch() + ) for i, block := range blockChain { // Short circuit insertion if shutting down or processing failed if bc.insertStopped() { @@ -1281,11 +1251,10 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ // Write all the data out into the database rawdb.WriteBody(batch, block.Hash(), block.NumberU64(), block.Body()) rawdb.WriteReceipts(batch, block.Hash(), block.NumberU64(), receiptChain[i]) - rawdb.WriteTxLookupEntriesByBlock(batch, block) // Always write tx indices for live blocks, we assume they are needed // Write everything belongs to the blocks into the database. So that - // we can ensure all components of body is completed(body, receipts, - // tx indexes) + // we can ensure all components of body is completed(body, receipts) + // except transaction indexes(will be created once sync is finished). if batch.ValueSize() >= ethdb.IdealBatchSize { if err := batch.Write(); err != nil { return 0, err @@ -1317,19 +1286,6 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ return n, err } } - // Write the tx index tail (block number from where we index) before write any live blocks - if len(liveBlocks) > 0 && liveBlocks[0].NumberU64() == ancientLimit+1 { - // The tx index tail can only be one of the following two options: - // * 0: all ancient blocks have been indexed - // * ancient-limit: the indices of blocks before ancient-limit are ignored - if tail := rawdb.ReadTxIndexTail(bc.db); tail == nil { - if bc.txLookupLimit == 0 || ancientLimit <= bc.txLookupLimit { - rawdb.WriteTxIndexTail(bc.db, 0) - } else { - rawdb.WriteTxIndexTail(bc.db, ancientLimit-bc.txLookupLimit) - } - } - } if len(liveBlocks) > 0 { if n, err := writeLive(liveBlocks, liveReceipts); err != nil { if err == errInsertionInterrupted { @@ -1338,13 +1294,14 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ return n, err } } - - head := blockChain[len(blockChain)-1] - context := []interface{}{ - "count", stats.processed, "elapsed", common.PrettyDuration(time.Since(start)), - "number", head.Number(), "hash", head.Hash(), "age", common.PrettyAge(time.Unix(int64(head.Time()), 0)), - "size", common.StorageSize(size), - } + var ( + head = blockChain[len(blockChain)-1] + context = []interface{}{ + "count", stats.processed, "elapsed", common.PrettyDuration(time.Since(start)), + "number", head.Number(), "hash", head.Hash(), "age", common.PrettyAge(time.Unix(int64(head.Time()), 0)), + "size", common.StorageSize(size), + } + ) if stats.ignored > 0 { context = append(context, []interface{}{"ignored", stats.ignored}...) } @@ -1360,7 +1317,6 @@ func (bc *BlockChain) writeBlockWithoutState(block *types.Block, td *big.Int) (e if bc.insertStopped() { return errInsertionInterrupted } - batch := bc.db.NewBatch() rawdb.WriteTd(batch, block.Hash(), block.NumberU64(), td) rawdb.WriteBlock(batch, block) @@ -2427,23 +2383,24 @@ func (bc *BlockChain) skipBlock(err error, it *insertIterator) bool { func (bc *BlockChain) indexBlocks(tail *uint64, head uint64, done chan struct{}) { defer func() { close(done) }() - // If head is 0, it means the chain is just initialized and no blocks are inserted, - // so don't need to indexing anything. + // If head is 0, it means the chain is just initialized and no blocks are + // inserted, so don't need to index anything. if head == 0 { return } - // The tail flag is not existent, it means the node is just initialized - // and all blocks(may from ancient store) are not indexed yet. + // and all blocks in the chain (part of them may from ancient store) are + // not indexed yet, index the chain according to the configuration then. if tail == nil { from := uint64(0) if bc.txLookupLimit != 0 && head >= bc.txLookupLimit { from = head - bc.txLookupLimit + 1 } - rawdb.IndexTransactions(bc.db, from, head+1, bc.quit) + rawdb.IndexTransactions(bc.db, from, head+1, bc.quit, true) return } - // The tail flag is existent, but the whole chain is required to be indexed. + // The tail flag is existent (which means indexes in [tail, head] should be + // present), while the whole chain are requested for indexing. if bc.txLookupLimit == 0 || head < bc.txLookupLimit { if *tail > 0 { // It can happen when chain is rewound to a historical point which @@ -2453,17 +2410,18 @@ func (bc *BlockChain) indexBlocks(tail *uint64, head uint64, done chan struct{}) if end > head+1 { end = head + 1 } - rawdb.IndexTransactions(bc.db, 0, end, bc.quit) + rawdb.IndexTransactions(bc.db, 0, end, bc.quit, true) } return } - // Update the transaction index to the new chain state + // The tail flag is existent, adjust the index range according to configuration + // and latest head. if head-bc.txLookupLimit+1 < *tail { // Reindex a part of missing indices and rewind index tail to HEAD-limit - rawdb.IndexTransactions(bc.db, head-bc.txLookupLimit+1, *tail, bc.quit) + rawdb.IndexTransactions(bc.db, head-bc.txLookupLimit+1, *tail, bc.quit, true) } else { // Unindex a part of stale indices and forward index tail to HEAD-limit - rawdb.UnindexTransactions(bc.db, *tail, head-bc.txLookupLimit+1, bc.quit) + rawdb.UnindexTransactions(bc.db, *tail, head-bc.txLookupLimit+1, bc.quit, false) } } @@ -2492,14 +2450,13 @@ func (bc *BlockChain) maintainTxIndex() { defer sub.Unsubscribe() log.Info("Initialized transaction indexer", "limit", bc.TxLookupLimit()) - // Launch the initial processing if chain is not empty. This step is - // useful in these scenarios that chain has no progress and indexer - // is never triggered. - if head := rawdb.ReadHeadBlock(bc.db); head != nil { + // Launch the initial processing if chain is not empty (head != genesis). + // This step is useful in these scenarios that chain has no progress and + // indexer is never triggered. + if head := rawdb.ReadHeadBlock(bc.db); head != nil && head.Number().Uint64() != 0 { done = make(chan struct{}) go bc.indexBlocks(rawdb.ReadTxIndexTail(bc.db), head.NumberU64(), done) } - for { select { case head := <-headCh: diff --git a/core/rawdb/accessors_chain.go b/core/rawdb/accessors_chain.go index d9a89fe90c..964b3a311d 100644 --- a/core/rawdb/accessors_chain.go +++ b/core/rawdb/accessors_chain.go @@ -278,23 +278,6 @@ func WriteTxIndexTail(db ethdb.KeyValueWriter, number uint64) { } } -// ReadFastTxLookupLimit retrieves the tx lookup limit used in fast sync. -func ReadFastTxLookupLimit(db ethdb.KeyValueReader) *uint64 { - data, _ := db.Get(fastTxLookupLimitKey) - if len(data) != 8 { - return nil - } - number := binary.BigEndian.Uint64(data) - return &number -} - -// WriteFastTxLookupLimit stores the txlookup limit used in fast sync into database. -func WriteFastTxLookupLimit(db ethdb.KeyValueWriter, number uint64) { - if err := db.Put(fastTxLookupLimitKey, encodeBlockNumber(number)); err != nil { - log.Crit("Failed to store transaction lookup limit for fast sync", "err", err) - } -} - // ReadHeaderRange returns the rlp-encoded headers, starting at 'number', and going // backwards towards genesis. This method assumes that the caller already has // placed a cap on count, to prevent DoS issues. diff --git a/core/rawdb/chain_iterator.go b/core/rawdb/chain_iterator.go index 56bb15b718..759e5913d1 100644 --- a/core/rawdb/chain_iterator.go +++ b/core/rawdb/chain_iterator.go @@ -178,7 +178,7 @@ func iterateTransactions(db ethdb.Database, from uint64, to uint64, reverse bool // // There is a passed channel, the whole procedure will be interrupted if any // signal received. -func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool) { +func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool, report bool) { // short circuit for invalid range if from >= to { return @@ -188,13 +188,13 @@ func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan batch = db.NewBatch() start = time.Now() logged = start.Add(-7 * time.Second) + // Since we iterate in reverse, we expect the first number to come // in to be [to-1]. Therefore, setting lastNum to means that the - // prqueue gap-evaluation will work correctly - lastNum = to - queue = prque.New[int64, *blockTxHashes](nil) - // for stats reporting - blocks, txs = 0, 0 + // queue gap-evaluation will work correctly + lastNum = to + queue = prque.New[int64, *blockTxHashes](nil) + blocks, txs = 0, 0 // for stats reporting ) for chanDelivery := range hashesCh { // Push the delivery into the queue and process contiguous ranges. @@ -240,11 +240,15 @@ func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan log.Crit("Failed writing batch to db", "error", err) return } + logger := log.Debug + if report { + logger = log.Info + } select { case <-interrupt: - log.Debug("Transaction indexing interrupted", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start))) + logger("Transaction indexing interrupted", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start))) default: - log.Debug("Indexed transactions", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start))) + logger("Indexed transactions", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start))) } } @@ -257,20 +261,20 @@ func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan // // There is a passed channel, the whole procedure will be interrupted if any // signal received. -func IndexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}) { - indexTransactions(db, from, to, interrupt, nil) +func IndexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, report bool) { + indexTransactions(db, from, to, interrupt, nil, report) } // indexTransactionsForTesting is the internal debug version with an additional hook. func indexTransactionsForTesting(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool) { - indexTransactions(db, from, to, interrupt, hook) + indexTransactions(db, from, to, interrupt, hook, false) } // unindexTransactions removes txlookup indices of the specified block range. // // There is a passed channel, the whole procedure will be interrupted if any // signal received. -func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool) { +func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool, report bool) { // short circuit for invalid range if from >= to { return @@ -280,12 +284,12 @@ func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch batch = db.NewBatch() start = time.Now() logged = start.Add(-7 * time.Second) + // we expect the first number to come in to be [from]. Therefore, setting - // nextNum to from means that the prqueue gap-evaluation will work correctly - nextNum = from - queue = prque.New[int64, *blockTxHashes](nil) - // for stats reporting - blocks, txs = 0, 0 + // nextNum to from means that the queue gap-evaluation will work correctly + nextNum = from + queue = prque.New[int64, *blockTxHashes](nil) + blocks, txs = 0, 0 // for stats reporting ) // Otherwise spin up the concurrent iterator and unindexer for delivery := range hashesCh { @@ -332,11 +336,15 @@ func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch log.Crit("Failed writing batch to db", "error", err) return } + logger := log.Debug + if report { + logger = log.Info + } select { case <-interrupt: - log.Debug("Transaction unindexing interrupted", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start))) + logger("Transaction unindexing interrupted", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start))) default: - log.Debug("Unindexed transactions", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start))) + logger("Unindexed transactions", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start))) } } @@ -345,11 +353,11 @@ func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch // // There is a passed channel, the whole procedure will be interrupted if any // signal received. -func UnindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}) { - unindexTransactions(db, from, to, interrupt, nil) +func UnindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, report bool) { + unindexTransactions(db, from, to, interrupt, nil, report) } // unindexTransactionsForTesting is the internal debug version with an additional hook. func unindexTransactionsForTesting(db ethdb.Database, from uint64, to uint64, interrupt chan struct{}, hook func(uint64) bool) { - unindexTransactions(db, from, to, interrupt, hook) + unindexTransactions(db, from, to, interrupt, hook, false) } diff --git a/core/rawdb/chain_iterator_test.go b/core/rawdb/chain_iterator_test.go index 9580cd92a8..78b0a82e10 100644 --- a/core/rawdb/chain_iterator_test.go +++ b/core/rawdb/chain_iterator_test.go @@ -162,18 +162,18 @@ func TestIndexTransactions(t *testing.T) { t.Fatalf("Transaction tail mismatch") } } - IndexTransactions(chainDb, 5, 11, nil) + IndexTransactions(chainDb, 5, 11, nil, false) verify(5, 11, true, 5) verify(0, 5, false, 5) - IndexTransactions(chainDb, 0, 5, nil) + IndexTransactions(chainDb, 0, 5, nil, false) verify(0, 11, true, 0) - UnindexTransactions(chainDb, 0, 5, nil) + UnindexTransactions(chainDb, 0, 5, nil, false) verify(5, 11, true, 5) verify(0, 5, false, 5) - UnindexTransactions(chainDb, 5, 11, nil) + UnindexTransactions(chainDb, 5, 11, nil, false) verify(0, 11, false, 11) // Testing corner cases @@ -190,7 +190,7 @@ func TestIndexTransactions(t *testing.T) { }) verify(9, 11, true, 9) verify(0, 9, false, 9) - IndexTransactions(chainDb, 0, 9, nil) + IndexTransactions(chainDb, 0, 9, nil, false) signal = make(chan struct{}) var once2 sync.Once diff --git a/core/rawdb/database.go b/core/rawdb/database.go index 18b5bccb51..27a9ec7412 100644 --- a/core/rawdb/database.go +++ b/core/rawdb/database.go @@ -657,7 +657,6 @@ func ReadChainMetadata(db ethdb.KeyValueStore) [][]string { {"snapshotRecoveryNumber", pp(ReadSnapshotRecoveryNumber(db))}, {"snapshotRoot", fmt.Sprintf("%v", ReadSnapshotRoot(db))}, {"txIndexTail", pp(ReadTxIndexTail(db))}, - {"fastTxLookupLimit", pp(ReadFastTxLookupLimit(db))}, } if b := ReadSkeletonSyncStatus(db); b != nil { data = append(data, []string{"SkeletonSyncStatus", string(b)}) diff --git a/core/rawdb/schema.go b/core/rawdb/schema.go index be03723553..11cf5b40fe 100644 --- a/core/rawdb/schema.go +++ b/core/rawdb/schema.go @@ -80,6 +80,8 @@ var ( txIndexTailKey = []byte("TransactionIndexTail") // fastTxLookupLimitKey tracks the transaction lookup limit during fast sync. + // This flag is deprecated, it's kept to avoid reporting errors when inspect + // database. fastTxLookupLimitKey = []byte("FastTransactionLookupLimit") // badBlockKey tracks the list of bad blocks seen by local diff --git a/eth/sync.go b/eth/sync.go index c7ba7c93d6..c2a0f453bf 100644 --- a/eth/sync.go +++ b/eth/sync.go @@ -228,24 +228,6 @@ func (cs *chainSyncer) startSync(op *chainSyncOp) { // doSync synchronizes the local blockchain with a remote peer. func (h *handler) doSync(op *chainSyncOp) error { - if op.mode == downloader.SnapSync { - // Before launch the snap sync, we have to ensure user uses the same - // txlookup limit. - // The main concern here is: during the snap sync Geth won't index the - // block(generate tx indices) before the HEAD-limit. But if user changes - // the limit in the next snap sync(e.g. user kill Geth manually and - // restart) then it will be hard for Geth to figure out the oldest block - // has been indexed. So here for the user-experience wise, it's non-optimal - // that user can't change limit during the snap sync. If changed, Geth - // will just blindly use the original one. - limit := h.chain.TxLookupLimit() - if stored := rawdb.ReadFastTxLookupLimit(h.database); stored == nil { - rawdb.WriteFastTxLookupLimit(h.database, limit) - } else if *stored != limit { - h.chain.SetTxLookupLimit(*stored) - log.Warn("Update txLookup limit", "provided", limit, "updated", *stored) - } - } // Run the sync cycle, and disable snap sync if we're past the pivot block err := h.downloader.LegacySync(op.peer.ID(), op.head, op.td, h.chain.Config().TerminalTotalDifficulty, op.mode) if err != nil {