From b1ac5e6ce73c37378e575d6291e3c5f1ee170430 Mon Sep 17 00:00:00 2001 From: Determinant Date: Wed, 16 Sep 2020 19:00:25 -0400 Subject: build success --- core/state/snapshot/difflayer_test.go | 400 ---------------------------------- 1 file changed, 400 deletions(-) delete mode 100644 core/state/snapshot/difflayer_test.go (limited to 'core/state/snapshot/difflayer_test.go') diff --git a/core/state/snapshot/difflayer_test.go b/core/state/snapshot/difflayer_test.go deleted file mode 100644 index 31636ee..0000000 --- a/core/state/snapshot/difflayer_test.go +++ /dev/null @@ -1,400 +0,0 @@ -// Copyright 2019 The go-ethereum Authors -// This file is part of the go-ethereum library. -// -// The go-ethereum library is free software: you can redistribute it and/or modify -// it under the terms of the GNU Lesser General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// The go-ethereum library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the go-ethereum library. If not, see . - -package snapshot - -import ( - "bytes" - "math/rand" - "testing" - - "github.com/VictoriaMetrics/fastcache" - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/ethdb/memorydb" -) - -func copyDestructs(destructs map[common.Hash]struct{}) map[common.Hash]struct{} { - copy := make(map[common.Hash]struct{}) - for hash := range destructs { - copy[hash] = struct{}{} - } - return copy -} - -func copyAccounts(accounts map[common.Hash][]byte) map[common.Hash][]byte { - copy := make(map[common.Hash][]byte) - for hash, blob := range accounts { - copy[hash] = blob - } - return copy -} - -func copyStorage(storage map[common.Hash]map[common.Hash][]byte) map[common.Hash]map[common.Hash][]byte { - copy := make(map[common.Hash]map[common.Hash][]byte) - for accHash, slots := range storage { - copy[accHash] = make(map[common.Hash][]byte) - for slotHash, blob := range slots { - copy[accHash][slotHash] = blob - } - } - return copy -} - -// TestMergeBasics tests some simple merges -func TestMergeBasics(t *testing.T) { - var ( - destructs = make(map[common.Hash]struct{}) - accounts = make(map[common.Hash][]byte) - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - // Fill up a parent - for i := 0; i < 100; i++ { - h := randomHash() - data := randomAccount() - - accounts[h] = data - if rand.Intn(4) == 0 { - destructs[h] = struct{}{} - } - if rand.Intn(2) == 0 { - accStorage := make(map[common.Hash][]byte) - value := make([]byte, 32) - rand.Read(value) - accStorage[randomHash()] = value - storage[h] = accStorage - } - } - // Add some (identical) layers on top - parent := newDiffLayer(emptyLayer(), common.Hash{}, copyDestructs(destructs), copyAccounts(accounts), copyStorage(storage)) - child := newDiffLayer(parent, common.Hash{}, copyDestructs(destructs), copyAccounts(accounts), copyStorage(storage)) - child = newDiffLayer(child, common.Hash{}, copyDestructs(destructs), copyAccounts(accounts), copyStorage(storage)) - child = newDiffLayer(child, common.Hash{}, copyDestructs(destructs), copyAccounts(accounts), copyStorage(storage)) - child = newDiffLayer(child, common.Hash{}, copyDestructs(destructs), copyAccounts(accounts), copyStorage(storage)) - // And flatten - merged := (child.flatten()).(*diffLayer) - - { // Check account lists - if have, want := len(merged.accountList), 0; have != want { - t.Errorf("accountList wrong: have %v, want %v", have, want) - } - if have, want := len(merged.AccountList()), len(accounts); have != want { - t.Errorf("AccountList() wrong: have %v, want %v", have, want) - } - if have, want := len(merged.accountList), len(accounts); have != want { - t.Errorf("accountList [2] wrong: have %v, want %v", have, want) - } - } - { // Check account drops - if have, want := len(merged.destructSet), len(destructs); have != want { - t.Errorf("accountDrop wrong: have %v, want %v", have, want) - } - } - { // Check storage lists - i := 0 - for aHash, sMap := range storage { - if have, want := len(merged.storageList), i; have != want { - t.Errorf("[1] storageList wrong: have %v, want %v", have, want) - } - list, _ := merged.StorageList(aHash) - if have, want := len(list), len(sMap); have != want { - t.Errorf("[2] StorageList() wrong: have %v, want %v", have, want) - } - if have, want := len(merged.storageList[aHash]), len(sMap); have != want { - t.Errorf("storageList wrong: have %v, want %v", have, want) - } - i++ - } - } -} - -// TestMergeDelete tests some deletion -func TestMergeDelete(t *testing.T) { - var ( - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - // Fill up a parent - h1 := common.HexToHash("0x01") - h2 := common.HexToHash("0x02") - - flipDrops := func() map[common.Hash]struct{} { - return map[common.Hash]struct{}{ - h2: {}, - } - } - flipAccs := func() map[common.Hash][]byte { - return map[common.Hash][]byte{ - h1: randomAccount(), - } - } - flopDrops := func() map[common.Hash]struct{} { - return map[common.Hash]struct{}{ - h1: {}, - } - } - flopAccs := func() map[common.Hash][]byte { - return map[common.Hash][]byte{ - h2: randomAccount(), - } - } - // Add some flipAccs-flopping layers on top - parent := newDiffLayer(emptyLayer(), common.Hash{}, flipDrops(), flipAccs(), storage) - child := parent.Update(common.Hash{}, flopDrops(), flopAccs(), storage) - child = child.Update(common.Hash{}, flipDrops(), flipAccs(), storage) - child = child.Update(common.Hash{}, flopDrops(), flopAccs(), storage) - child = child.Update(common.Hash{}, flipDrops(), flipAccs(), storage) - child = child.Update(common.Hash{}, flopDrops(), flopAccs(), storage) - child = child.Update(common.Hash{}, flipDrops(), flipAccs(), storage) - - if data, _ := child.Account(h1); data == nil { - t.Errorf("last diff layer: expected %x account to be non-nil", h1) - } - if data, _ := child.Account(h2); data != nil { - t.Errorf("last diff layer: expected %x account to be nil", h2) - } - if _, ok := child.destructSet[h1]; ok { - t.Errorf("last diff layer: expected %x drop to be missing", h1) - } - if _, ok := child.destructSet[h2]; !ok { - t.Errorf("last diff layer: expected %x drop to be present", h1) - } - // And flatten - merged := (child.flatten()).(*diffLayer) - - if data, _ := merged.Account(h1); data == nil { - t.Errorf("merged layer: expected %x account to be non-nil", h1) - } - if data, _ := merged.Account(h2); data != nil { - t.Errorf("merged layer: expected %x account to be nil", h2) - } - if _, ok := merged.destructSet[h1]; !ok { // Note, drops stay alive until persisted to disk! - t.Errorf("merged diff layer: expected %x drop to be present", h1) - } - if _, ok := merged.destructSet[h2]; !ok { // Note, drops stay alive until persisted to disk! - t.Errorf("merged diff layer: expected %x drop to be present", h1) - } - // If we add more granular metering of memory, we can enable this again, - // but it's not implemented for now - //if have, want := merged.memory, child.memory; have != want { - // t.Errorf("mem wrong: have %d, want %d", have, want) - //} -} - -// This tests that if we create a new account, and set a slot, and then merge -// it, the lists will be correct. -func TestInsertAndMerge(t *testing.T) { - // Fill up a parent - var ( - acc = common.HexToHash("0x01") - slot = common.HexToHash("0x02") - parent *diffLayer - child *diffLayer - ) - { - var ( - destructs = make(map[common.Hash]struct{}) - accounts = make(map[common.Hash][]byte) - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - parent = newDiffLayer(emptyLayer(), common.Hash{}, destructs, accounts, storage) - } - { - var ( - destructs = make(map[common.Hash]struct{}) - accounts = make(map[common.Hash][]byte) - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - accounts[acc] = randomAccount() - storage[acc] = make(map[common.Hash][]byte) - storage[acc][slot] = []byte{0x01} - child = newDiffLayer(parent, common.Hash{}, destructs, accounts, storage) - } - // And flatten - merged := (child.flatten()).(*diffLayer) - { // Check that slot value is present - have, _ := merged.Storage(acc, slot) - if want := []byte{0x01}; !bytes.Equal(have, want) { - t.Errorf("merged slot value wrong: have %x, want %x", have, want) - } - } -} - -func emptyLayer() *diskLayer { - return &diskLayer{ - diskdb: memorydb.New(), - cache: fastcache.New(500 * 1024), - } -} - -// BenchmarkSearch checks how long it takes to find a non-existing key -// BenchmarkSearch-6 200000 10481 ns/op (1K per layer) -// BenchmarkSearch-6 200000 10760 ns/op (10K per layer) -// BenchmarkSearch-6 100000 17866 ns/op -// -// BenchmarkSearch-6 500000 3723 ns/op (10k per layer, only top-level RLock() -func BenchmarkSearch(b *testing.B) { - // First, we set up 128 diff layers, with 1K items each - fill := func(parent snapshot) *diffLayer { - var ( - destructs = make(map[common.Hash]struct{}) - accounts = make(map[common.Hash][]byte) - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - for i := 0; i < 10000; i++ { - accounts[randomHash()] = randomAccount() - } - return newDiffLayer(parent, common.Hash{}, destructs, accounts, storage) - } - var layer snapshot - layer = emptyLayer() - for i := 0; i < 128; i++ { - layer = fill(layer) - } - key := crypto.Keccak256Hash([]byte{0x13, 0x38}) - b.ResetTimer() - for i := 0; i < b.N; i++ { - layer.AccountRLP(key) - } -} - -// BenchmarkSearchSlot checks how long it takes to find a non-existing key -// - Number of layers: 128 -// - Each layers contains the account, with a couple of storage slots -// BenchmarkSearchSlot-6 100000 14554 ns/op -// BenchmarkSearchSlot-6 100000 22254 ns/op (when checking parent root using mutex) -// BenchmarkSearchSlot-6 100000 14551 ns/op (when checking parent number using atomic) -// With bloom filter: -// BenchmarkSearchSlot-6 3467835 351 ns/op -func BenchmarkSearchSlot(b *testing.B) { - // First, we set up 128 diff layers, with 1K items each - accountKey := crypto.Keccak256Hash([]byte{0x13, 0x37}) - storageKey := crypto.Keccak256Hash([]byte{0x13, 0x37}) - accountRLP := randomAccount() - fill := func(parent snapshot) *diffLayer { - var ( - destructs = make(map[common.Hash]struct{}) - accounts = make(map[common.Hash][]byte) - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - accounts[accountKey] = accountRLP - - accStorage := make(map[common.Hash][]byte) - for i := 0; i < 5; i++ { - value := make([]byte, 32) - rand.Read(value) - accStorage[randomHash()] = value - storage[accountKey] = accStorage - } - return newDiffLayer(parent, common.Hash{}, destructs, accounts, storage) - } - var layer snapshot - layer = emptyLayer() - for i := 0; i < 128; i++ { - layer = fill(layer) - } - b.ResetTimer() - for i := 0; i < b.N; i++ { - layer.Storage(accountKey, storageKey) - } -} - -// With accountList and sorting -// BenchmarkFlatten-6 50 29890856 ns/op -// -// Without sorting and tracking accountlist -// BenchmarkFlatten-6 300 5511511 ns/op -func BenchmarkFlatten(b *testing.B) { - fill := func(parent snapshot) *diffLayer { - var ( - destructs = make(map[common.Hash]struct{}) - accounts = make(map[common.Hash][]byte) - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - for i := 0; i < 100; i++ { - accountKey := randomHash() - accounts[accountKey] = randomAccount() - - accStorage := make(map[common.Hash][]byte) - for i := 0; i < 20; i++ { - value := make([]byte, 32) - rand.Read(value) - accStorage[randomHash()] = value - - } - storage[accountKey] = accStorage - } - return newDiffLayer(parent, common.Hash{}, destructs, accounts, storage) - } - b.ResetTimer() - for i := 0; i < b.N; i++ { - b.StopTimer() - var layer snapshot - layer = emptyLayer() - for i := 1; i < 128; i++ { - layer = fill(layer) - } - b.StartTimer() - - for i := 1; i < 128; i++ { - dl, ok := layer.(*diffLayer) - if !ok { - break - } - layer = dl.flatten() - } - b.StopTimer() - } -} - -// This test writes ~324M of diff layers to disk, spread over -// - 128 individual layers, -// - each with 200 accounts -// - containing 200 slots -// -// BenchmarkJournal-6 1 1471373923 ns/ops -// BenchmarkJournal-6 1 1208083335 ns/op // bufio writer -func BenchmarkJournal(b *testing.B) { - fill := func(parent snapshot) *diffLayer { - var ( - destructs = make(map[common.Hash]struct{}) - accounts = make(map[common.Hash][]byte) - storage = make(map[common.Hash]map[common.Hash][]byte) - ) - for i := 0; i < 200; i++ { - accountKey := randomHash() - accounts[accountKey] = randomAccount() - - accStorage := make(map[common.Hash][]byte) - for i := 0; i < 200; i++ { - value := make([]byte, 32) - rand.Read(value) - accStorage[randomHash()] = value - - } - storage[accountKey] = accStorage - } - return newDiffLayer(parent, common.Hash{}, destructs, accounts, storage) - } - layer := snapshot(new(diskLayer)) - for i := 1; i < 128; i++ { - layer = fill(layer) - } - b.ResetTimer() - - for i := 0; i < b.N; i++ { - layer.Journal(new(bytes.Buffer)) - } -} -- cgit v1.2.3