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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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1// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file. See the AUTHORS file for names of contributors.
4
5#include "leveldb/cache.h"
6
7#include <vector>
8#include "util/coding.h"
9#include "util/testharness.h"
10
11namespace leveldb {
12
13// Conversions between numeric keys/values and the types expected by Cache.
14static std::string EncodeKey(int k) {
15  std::string result;
16  PutFixed32(&result, k);
17  return result;
18}
19static int DecodeKey(const Slice& k) {
20  assert(k.size() == 4);
21  return DecodeFixed32(k.data());
22}
23static void* EncodeValue(uintptr_t v) { return reinterpret_cast<void*>(v); }
24static int DecodeValue(void* v) { return reinterpret_cast<uintptr_t>(v); }
25
26class CacheTest {
27 public:
28  static void Deleter(const Slice& key, void* v) {
29    current_->deleted_keys_.push_back(DecodeKey(key));
30    current_->deleted_values_.push_back(DecodeValue(v));
31  }
32
33  static const int kCacheSize = 1000;
34  std::vector<int> deleted_keys_;
35  std::vector<int> deleted_values_;
36  Cache* cache_;
37
38  CacheTest() : cache_(NewLRUCache(kCacheSize)) { current_ = this; }
39
40  ~CacheTest() { delete cache_; }
41
42  int Lookup(int key) {
43    Cache::Handle* handle = cache_->Lookup(EncodeKey(key));
44    const int r = (handle == nullptr) ? -1 : DecodeValue(cache_->Value(handle));
45    if (handle != nullptr) {
46      cache_->Release(handle);
47    }
48    return r;
49  }
50
51  void Insert(int key, int value, int charge = 1) {
52    cache_->Release(cache_->Insert(EncodeKey(key), EncodeValue(value), charge,
53                                   &CacheTest::Deleter));
54  }
55
56  Cache::Handle* InsertAndReturnHandle(int key, int value, int charge = 1) {
57    return cache_->Insert(EncodeKey(key), EncodeValue(value), charge,
58                          &CacheTest::Deleter);
59  }
60
61  void Erase(int key) { cache_->Erase(EncodeKey(key)); }
62
63  static CacheTest* current_;
64};
65CacheTest* CacheTest::current_;
66
67TEST(CacheTest, HitAndMiss) {
68  ASSERT_EQ(-1, Lookup(100));
69
70  Insert(100, 101);
71  ASSERT_EQ(101, Lookup(100));
72  ASSERT_EQ(-1, Lookup(200));
73  ASSERT_EQ(-1, Lookup(300));
74
75  Insert(200, 201);
76  ASSERT_EQ(101, Lookup(100));
77  ASSERT_EQ(201, Lookup(200));
78  ASSERT_EQ(-1, Lookup(300));
79
80  Insert(100, 102);
81  ASSERT_EQ(102, Lookup(100));
82  ASSERT_EQ(201, Lookup(200));
83  ASSERT_EQ(-1, Lookup(300));
84
85  ASSERT_EQ(1, deleted_keys_.size());
86  ASSERT_EQ(100, deleted_keys_[0]);
87  ASSERT_EQ(101, deleted_values_[0]);
88}
89
90TEST(CacheTest, Erase) {
91  Erase(200);
92  ASSERT_EQ(0, deleted_keys_.size());
93
94  Insert(100, 101);
95  Insert(200, 201);
96  Erase(100);
97  ASSERT_EQ(-1, Lookup(100));
98  ASSERT_EQ(201, Lookup(200));
99  ASSERT_EQ(1, deleted_keys_.size());
100  ASSERT_EQ(100, deleted_keys_[0]);
101  ASSERT_EQ(101, deleted_values_[0]);
102
103  Erase(100);
104  ASSERT_EQ(-1, Lookup(100));
105  ASSERT_EQ(201, Lookup(200));
106  ASSERT_EQ(1, deleted_keys_.size());
107}
108
109TEST(CacheTest, EntriesArePinned) {
110  Insert(100, 101);
111  Cache::Handle* h1 = cache_->Lookup(EncodeKey(100));
112  ASSERT_EQ(101, DecodeValue(cache_->Value(h1)));
113
114  Insert(100, 102);
115  Cache::Handle* h2 = cache_->Lookup(EncodeKey(100));
116  ASSERT_EQ(102, DecodeValue(cache_->Value(h2)));
117  ASSERT_EQ(0, deleted_keys_.size());
118
119  cache_->Release(h1);
120  ASSERT_EQ(1, deleted_keys_.size());
121  ASSERT_EQ(100, deleted_keys_[0]);
122  ASSERT_EQ(101, deleted_values_[0]);
123
124  Erase(100);
125  ASSERT_EQ(-1, Lookup(100));
126  ASSERT_EQ(1, deleted_keys_.size());
127
128  cache_->Release(h2);
129  ASSERT_EQ(2, deleted_keys_.size());
130  ASSERT_EQ(100, deleted_keys_[1]);
131  ASSERT_EQ(102, deleted_values_[1]);
132}
133
134TEST(CacheTest, EvictionPolicy) {
135  Insert(100, 101);
136  Insert(200, 201);
137  Insert(300, 301);
138  Cache::Handle* h = cache_->Lookup(EncodeKey(300));
139
140  // Frequently used entry must be kept around,
141  // as must things that are still in use.
142  for (int i = 0; i < kCacheSize + 100; i++) {
143    Insert(1000 + i, 2000 + i);
144    ASSERT_EQ(2000 + i, Lookup(1000 + i));
145    ASSERT_EQ(101, Lookup(100));
146  }
147  ASSERT_EQ(101, Lookup(100));
148  ASSERT_EQ(-1, Lookup(200));
149  ASSERT_EQ(301, Lookup(300));
150  cache_->Release(h);
151}
152
153TEST(CacheTest, UseExceedsCacheSize) {
154  // Overfill the cache, keeping handles on all inserted entries.
155  std::vector<Cache::Handle*> h;
156  for (int i = 0; i < kCacheSize + 100; i++) {
157    h.push_back(InsertAndReturnHandle(1000 + i, 2000 + i));
158  }
159
160  // Check that all the entries can be found in the cache.
161  for (int i = 0; i < h.size(); i++) {
162    ASSERT_EQ(2000 + i, Lookup(1000 + i));
163  }
164
165  for (int i = 0; i < h.size(); i++) {
166    cache_->Release(h[i]);
167  }
168}
169
170TEST(CacheTest, HeavyEntries) {
171  // Add a bunch of light and heavy entries and then count the combined
172  // size of items still in the cache, which must be approximately the
173  // same as the total capacity.
174  const int kLight = 1;
175  const int kHeavy = 10;
176  int added = 0;
177  int index = 0;
178  while (added < 2 * kCacheSize) {
179    const int weight = (index & 1) ? kLight : kHeavy;
180    Insert(index, 1000 + index, weight);
181    added += weight;
182    index++;
183  }
184
185  int cached_weight = 0;
186  for (int i = 0; i < index; i++) {
187    const int weight = (i & 1 ? kLight : kHeavy);
188    int r = Lookup(i);
189    if (r >= 0) {
190      cached_weight += weight;
191      ASSERT_EQ(1000 + i, r);
192    }
193  }
194  ASSERT_LE(cached_weight, kCacheSize + kCacheSize / 10);
195}
196
197TEST(CacheTest, NewId) {
198  uint64_t a = cache_->NewId();
199  uint64_t b = cache_->NewId();
200  ASSERT_NE(a, b);
201}
202
203TEST(CacheTest, Prune) {
204  Insert(1, 100);
205  Insert(2, 200);
206
207  Cache::Handle* handle = cache_->Lookup(EncodeKey(1));
208  ASSERT_TRUE(handle);
209  cache_->Prune();
210  cache_->Release(handle);
211
212  ASSERT_EQ(100, Lookup(1));
213  ASSERT_EQ(-1, Lookup(2));
214}
215
216TEST(CacheTest, ZeroSizeCache) {
217  delete cache_;
218  cache_ = NewLRUCache(0);
219
220  Insert(1, 100);
221  ASSERT_EQ(-1, Lookup(1));
222}
223
224}  // namespace leveldb
225
226int main(int argc, char** argv) { return leveldb::test::RunAllTests(); }
227

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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