From 3017efedc2f768819fd5bfb37533b1e6588b43e2 Mon Sep 17 00:00:00 2001 From: Marius van der Wijden Date: Tue, 29 Oct 2024 09:32:40 +0100 Subject: [PATCH] ethdb: refactor Database interface (#30693) --- core/rawdb/accessors_indexes_test.go | 8 ++++---- core/rawdb/freezer.go | 11 +++++++++-- core/rawdb/freezer_memory.go | 6 ++++++ core/rawdb/freezer_resettable.go | 8 ++++++++ ethdb/database.go | 25 +++---------------------- 5 files changed, 30 insertions(+), 28 deletions(-) diff --git a/core/rawdb/accessors_indexes_test.go b/core/rawdb/accessors_indexes_test.go index 78dba000fc..1bee455503 100644 --- a/core/rawdb/accessors_indexes_test.go +++ b/core/rawdb/accessors_indexes_test.go @@ -35,17 +35,17 @@ var newTestHasher = blocktest.NewHasher func TestLookupStorage(t *testing.T) { tests := []struct { name string - writeTxLookupEntriesByBlock func(ethdb.Writer, *types.Block) + writeTxLookupEntriesByBlock func(ethdb.KeyValueWriter, *types.Block) }{ { "DatabaseV6", - func(db ethdb.Writer, block *types.Block) { + func(db ethdb.KeyValueWriter, block *types.Block) { WriteTxLookupEntriesByBlock(db, block) }, }, { "DatabaseV4-V5", - func(db ethdb.Writer, block *types.Block) { + func(db ethdb.KeyValueWriter, block *types.Block) { for _, tx := range block.Transactions() { db.Put(txLookupKey(tx.Hash()), block.Hash().Bytes()) } @@ -53,7 +53,7 @@ func TestLookupStorage(t *testing.T) { }, { "DatabaseV3", - func(db ethdb.Writer, block *types.Block) { + func(db ethdb.KeyValueWriter, block *types.Block) { for index, tx := range block.Transactions() { entry := LegacyTxLookupEntry{ BlockHash: block.Hash(), diff --git a/core/rawdb/freezer.go b/core/rawdb/freezer.go index 1b8df958d1..d6370cee33 100644 --- a/core/rawdb/freezer.go +++ b/core/rawdb/freezer.go @@ -58,8 +58,9 @@ const freezerTableSize = 2 * 1000 * 1000 * 1000 // - The append-only nature ensures that disk writes are minimized. // - The in-order data ensures that disk reads are always optimized. type Freezer struct { - frozen atomic.Uint64 // Number of items already frozen - tail atomic.Uint64 // Number of the first stored item in the freezer + datadir string + frozen atomic.Uint64 // Number of items already frozen + tail atomic.Uint64 // Number of the first stored item in the freezer // This lock synchronizes writers and the truncate operation, as well as // the "atomic" (batched) read operations. @@ -109,6 +110,7 @@ func NewFreezer(datadir string, namespace string, readonly bool, maxTableSize ui } // Open all the supported data tables freezer := &Freezer{ + datadir: datadir, readonly: readonly, tables: make(map[string]*freezerTable), instanceLock: lock, @@ -172,6 +174,11 @@ func (f *Freezer) Close() error { return nil } +// AncientDatadir returns the path of the ancient store. +func (f *Freezer) AncientDatadir() (string, error) { + return f.datadir, nil +} + // HasAncient returns an indicator whether the specified ancient data exists // in the freezer. func (f *Freezer) HasAncient(kind string, number uint64) (bool, error) { diff --git a/core/rawdb/freezer_memory.go b/core/rawdb/freezer_memory.go index ee4f553919..2d3dbb07dd 100644 --- a/core/rawdb/freezer_memory.go +++ b/core/rawdb/freezer_memory.go @@ -419,3 +419,9 @@ func (f *MemoryFreezer) Reset() error { f.items, f.tail = 0, 0 return nil } + +// AncientDatadir returns the path of the ancient store. +// Since the memory freezer is ephemeral, an empty string is returned. +func (f *MemoryFreezer) AncientDatadir() (string, error) { + return "", nil +} diff --git a/core/rawdb/freezer_resettable.go b/core/rawdb/freezer_resettable.go index b147995066..7c77a06efc 100644 --- a/core/rawdb/freezer_resettable.go +++ b/core/rawdb/freezer_resettable.go @@ -202,6 +202,14 @@ func (f *resettableFreezer) Sync() error { return f.freezer.Sync() } +// AncientDatadir returns the path of the ancient store. +func (f *resettableFreezer) AncientDatadir() (string, error) { + f.lock.RLock() + defer f.lock.RUnlock() + + return f.freezer.AncientDatadir() +} + // cleanup removes the directory located in the specified path // has the name with deletion marker suffix. func cleanup(path string) error { diff --git a/ethdb/database.go b/ethdb/database.go index 9bf4427293..323f8f5d6f 100644 --- a/ethdb/database.go +++ b/ethdb/database.go @@ -162,26 +162,12 @@ type Reader interface { AncientReader } -// Writer contains the methods required to write data to both key-value as well as -// immutable ancient data. -type Writer interface { - KeyValueWriter - KeyValueRangeDeleter - AncientWriter -} - -// Stater contains the methods required to retrieve states from both key-value as well as -// immutable ancient data. -type Stater interface { - KeyValueStater - AncientStater -} - // AncientStore contains all the methods required to allow handling different // ancient data stores backing immutable data store. type AncientStore interface { AncientReader AncientWriter + AncientStater io.Closer } @@ -196,11 +182,6 @@ type ResettableAncientStore interface { // Database contains all the methods required by the high level database to not // only access the key-value data store but also the ancient chain store. type Database interface { - Reader - Writer - Batcher - Iteratee - Stater - Compacter - io.Closer + KeyValueStore + AncientStore }