Bitcoin Core  22.99.0
P2P Digital Currency
coinstatsindex.cpp
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1 // Copyright (c) 2020-2021 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #include <chainparams.h>
6 #include <coins.h>
7 #include <crypto/muhash.h>
8 #include <index/coinstatsindex.h>
9 #include <node/blockstorage.h>
10 #include <serialize.h>
11 #include <txdb.h>
12 #include <undo.h>
13 #include <validation.h>
14 
15 static constexpr uint8_t DB_BLOCK_HASH{'s'};
16 static constexpr uint8_t DB_BLOCK_HEIGHT{'t'};
17 static constexpr uint8_t DB_MUHASH{'M'};
18 
19 namespace {
20 
21 struct DBVal {
22  uint256 muhash;
23  uint64_t transaction_output_count;
24  uint64_t bogo_size;
25  CAmount total_amount;
26  CAmount total_subsidy;
27  CAmount total_unspendable_amount;
28  CAmount total_prevout_spent_amount;
29  CAmount total_new_outputs_ex_coinbase_amount;
30  CAmount total_coinbase_amount;
31  CAmount total_unspendables_genesis_block;
32  CAmount total_unspendables_bip30;
33  CAmount total_unspendables_scripts;
34  CAmount total_unspendables_unclaimed_rewards;
35 
36  SERIALIZE_METHODS(DBVal, obj)
37  {
38  READWRITE(obj.muhash);
39  READWRITE(obj.transaction_output_count);
40  READWRITE(obj.bogo_size);
41  READWRITE(obj.total_amount);
42  READWRITE(obj.total_subsidy);
43  READWRITE(obj.total_unspendable_amount);
44  READWRITE(obj.total_prevout_spent_amount);
45  READWRITE(obj.total_new_outputs_ex_coinbase_amount);
46  READWRITE(obj.total_coinbase_amount);
47  READWRITE(obj.total_unspendables_genesis_block);
48  READWRITE(obj.total_unspendables_bip30);
49  READWRITE(obj.total_unspendables_scripts);
50  READWRITE(obj.total_unspendables_unclaimed_rewards);
51  }
52 };
53 
54 struct DBHeightKey {
55  int height;
56 
57  explicit DBHeightKey(int height_in) : height(height_in) {}
58 
59  template <typename Stream>
60  void Serialize(Stream& s) const
61  {
63  ser_writedata32be(s, height);
64  }
65 
66  template <typename Stream>
67  void Unserialize(Stream& s)
68  {
69  const uint8_t prefix{ser_readdata8(s)};
70  if (prefix != DB_BLOCK_HEIGHT) {
71  throw std::ios_base::failure("Invalid format for coinstatsindex DB height key");
72  }
73  height = ser_readdata32be(s);
74  }
75 };
76 
77 struct DBHashKey {
78  uint256 block_hash;
79 
80  explicit DBHashKey(const uint256& hash_in) : block_hash(hash_in) {}
81 
82  SERIALIZE_METHODS(DBHashKey, obj)
83  {
84  uint8_t prefix{DB_BLOCK_HASH};
86  if (prefix != DB_BLOCK_HASH) {
87  throw std::ios_base::failure("Invalid format for coinstatsindex DB hash key");
88  }
89 
90  READWRITE(obj.block_hash);
91  }
92 };
93 
94 }; // namespace
95 
96 std::unique_ptr<CoinStatsIndex> g_coin_stats_index;
97 
98 CoinStatsIndex::CoinStatsIndex(size_t n_cache_size, bool f_memory, bool f_wipe)
99 {
100  fs::path path{gArgs.GetDataDirNet() / "indexes" / "coinstats"};
101  fs::create_directories(path);
102 
103  m_db = std::make_unique<CoinStatsIndex::DB>(path / "db", n_cache_size, f_memory, f_wipe);
104 }
105 
106 bool CoinStatsIndex::WriteBlock(const CBlock& block, const CBlockIndex* pindex)
107 {
108  CBlockUndo block_undo;
109  const CAmount block_subsidy{GetBlockSubsidy(pindex->nHeight, Params().GetConsensus())};
110  m_total_subsidy += block_subsidy;
111 
112  // Ignore genesis block
113  if (pindex->nHeight > 0) {
114  if (!UndoReadFromDisk(block_undo, pindex)) {
115  return false;
116  }
117 
118  std::pair<uint256, DBVal> read_out;
119  if (!m_db->Read(DBHeightKey(pindex->nHeight - 1), read_out)) {
120  return false;
121  }
122 
123  uint256 expected_block_hash{pindex->pprev->GetBlockHash()};
124  if (read_out.first != expected_block_hash) {
125  LogPrintf("WARNING: previous block header belongs to unexpected block %s; expected %s\n",
126  read_out.first.ToString(), expected_block_hash.ToString());
127 
128  if (!m_db->Read(DBHashKey(expected_block_hash), read_out)) {
129  return error("%s: previous block header not found; expected %s",
130  __func__, expected_block_hash.ToString());
131  }
132  }
133 
134  // TODO: Deduplicate BIP30 related code
135  bool is_bip30_block{(pindex->nHeight == 91722 && pindex->GetBlockHash() == uint256S("0x00000000000271a2dc26e7667f8419f2e15416dc6955e5a6c6cdf3f2574dd08e")) ||
136  (pindex->nHeight == 91812 && pindex->GetBlockHash() == uint256S("0x00000000000af0aed4792b1acee3d966af36cf5def14935db8de83d6f9306f2f"))};
137 
138  // Add the new utxos created from the block
139  for (size_t i = 0; i < block.vtx.size(); ++i) {
140  const auto& tx{block.vtx.at(i)};
141 
142  // Skip duplicate txid coinbase transactions (BIP30).
143  if (is_bip30_block && tx->IsCoinBase()) {
144  m_total_unspendable_amount += block_subsidy;
145  m_total_unspendables_bip30 += block_subsidy;
146  continue;
147  }
148 
149  for (uint32_t j = 0; j < tx->vout.size(); ++j) {
150  const CTxOut& out{tx->vout[j]};
151  Coin coin{out, pindex->nHeight, tx->IsCoinBase()};
152  COutPoint outpoint{tx->GetHash(), j};
153 
154  // Skip unspendable coins
155  if (coin.out.scriptPubKey.IsUnspendable()) {
156  m_total_unspendable_amount += coin.out.nValue;
157  m_total_unspendables_scripts += coin.out.nValue;
158  continue;
159  }
160 
161  m_muhash.Insert(MakeUCharSpan(TxOutSer(outpoint, coin)));
162 
163  if (tx->IsCoinBase()) {
164  m_total_coinbase_amount += coin.out.nValue;
165  } else {
166  m_total_new_outputs_ex_coinbase_amount += coin.out.nValue;
167  }
168 
170  m_total_amount += coin.out.nValue;
171  m_bogo_size += GetBogoSize(coin.out.scriptPubKey);
172  }
173 
174  // The coinbase tx has no undo data since no former output is spent
175  if (!tx->IsCoinBase()) {
176  const auto& tx_undo{block_undo.vtxundo.at(i - 1)};
177 
178  for (size_t j = 0; j < tx_undo.vprevout.size(); ++j) {
179  Coin coin{tx_undo.vprevout[j]};
180  COutPoint outpoint{tx->vin[j].prevout.hash, tx->vin[j].prevout.n};
181 
182  m_muhash.Remove(MakeUCharSpan(TxOutSer(outpoint, coin)));
183 
184  m_total_prevout_spent_amount += coin.out.nValue;
185 
187  m_total_amount -= coin.out.nValue;
188  m_bogo_size -= GetBogoSize(coin.out.scriptPubKey);
189  }
190  }
191  }
192  } else {
193  // genesis block
194  m_total_unspendable_amount += block_subsidy;
195  m_total_unspendables_genesis_block += block_subsidy;
196  }
197 
198  // If spent prevouts + block subsidy are still a higher amount than
199  // new outputs + coinbase + current unspendable amount this means
200  // the miner did not claim the full block reward. Unclaimed block
201  // rewards are also unspendable.
203  m_total_unspendable_amount += unclaimed_rewards;
204  m_total_unspendables_unclaimed_rewards += unclaimed_rewards;
205 
206  std::pair<uint256, DBVal> value;
207  value.first = pindex->GetBlockHash();
208  value.second.transaction_output_count = m_transaction_output_count;
209  value.second.bogo_size = m_bogo_size;
210  value.second.total_amount = m_total_amount;
211  value.second.total_subsidy = m_total_subsidy;
212  value.second.total_unspendable_amount = m_total_unspendable_amount;
213  value.second.total_prevout_spent_amount = m_total_prevout_spent_amount;
214  value.second.total_new_outputs_ex_coinbase_amount = m_total_new_outputs_ex_coinbase_amount;
215  value.second.total_coinbase_amount = m_total_coinbase_amount;
216  value.second.total_unspendables_genesis_block = m_total_unspendables_genesis_block;
217  value.second.total_unspendables_bip30 = m_total_unspendables_bip30;
218  value.second.total_unspendables_scripts = m_total_unspendables_scripts;
219  value.second.total_unspendables_unclaimed_rewards = m_total_unspendables_unclaimed_rewards;
220 
221  uint256 out;
222  m_muhash.Finalize(out);
223  value.second.muhash = out;
224 
225  CDBBatch batch(*m_db);
226  batch.Write(DBHeightKey(pindex->nHeight), value);
227  batch.Write(DB_MUHASH, m_muhash);
228  return m_db->WriteBatch(batch);
229 }
230 
232  const std::string& index_name,
233  int start_height, int stop_height)
234 {
235  DBHeightKey key{start_height};
236  db_it.Seek(key);
237 
238  for (int height = start_height; height <= stop_height; ++height) {
239  if (!db_it.GetKey(key) || key.height != height) {
240  return error("%s: unexpected key in %s: expected (%c, %d)",
241  __func__, index_name, DB_BLOCK_HEIGHT, height);
242  }
243 
244  std::pair<uint256, DBVal> value;
245  if (!db_it.GetValue(value)) {
246  return error("%s: unable to read value in %s at key (%c, %d)",
247  __func__, index_name, DB_BLOCK_HEIGHT, height);
248  }
249 
250  batch.Write(DBHashKey(value.first), std::move(value.second));
251 
252  db_it.Next();
253  }
254  return true;
255 }
256 
257 bool CoinStatsIndex::Rewind(const CBlockIndex* current_tip, const CBlockIndex* new_tip)
258 {
259  assert(current_tip->GetAncestor(new_tip->nHeight) == new_tip);
260 
261  CDBBatch batch(*m_db);
262  std::unique_ptr<CDBIterator> db_it(m_db->NewIterator());
263 
264  // During a reorg, we need to copy all hash digests for blocks that are
265  // getting disconnected from the height index to the hash index so we can
266  // still find them when the height index entries are overwritten.
267  if (!CopyHeightIndexToHashIndex(*db_it, batch, m_name, new_tip->nHeight, current_tip->nHeight)) {
268  return false;
269  }
270 
271  if (!m_db->WriteBatch(batch)) return false;
272 
273  {
274  LOCK(cs_main);
276  const auto& consensus_params{Params().GetConsensus()};
277 
278  do {
279  CBlock block;
280 
281  if (!ReadBlockFromDisk(block, iter_tip, consensus_params)) {
282  return error("%s: Failed to read block %s from disk",
283  __func__, iter_tip->GetBlockHash().ToString());
284  }
285 
286  ReverseBlock(block, iter_tip);
287 
288  iter_tip = iter_tip->GetAncestor(iter_tip->nHeight - 1);
289  } while (new_tip != iter_tip);
290  }
291 
292  return BaseIndex::Rewind(current_tip, new_tip);
293 }
294 
295 static bool LookUpOne(const CDBWrapper& db, const CBlockIndex* block_index, DBVal& result)
296 {
297  // First check if the result is stored under the height index and the value
298  // there matches the block hash. This should be the case if the block is on
299  // the active chain.
300  std::pair<uint256, DBVal> read_out;
301  if (!db.Read(DBHeightKey(block_index->nHeight), read_out)) {
302  return false;
303  }
304  if (read_out.first == block_index->GetBlockHash()) {
305  result = std::move(read_out.second);
306  return true;
307  }
308 
309  // If value at the height index corresponds to an different block, the
310  // result will be stored in the hash index.
311  return db.Read(DBHashKey(block_index->GetBlockHash()), result);
312 }
313 
314 bool CoinStatsIndex::LookUpStats(const CBlockIndex* block_index, CCoinsStats& coins_stats) const
315 {
316  DBVal entry;
317  if (!LookUpOne(*m_db, block_index, entry)) {
318  return false;
319  }
320 
321  coins_stats.hashSerialized = entry.muhash;
322  coins_stats.nTransactionOutputs = entry.transaction_output_count;
323  coins_stats.nBogoSize = entry.bogo_size;
324  coins_stats.nTotalAmount = entry.total_amount;
325  coins_stats.total_subsidy = entry.total_subsidy;
326  coins_stats.total_unspendable_amount = entry.total_unspendable_amount;
327  coins_stats.total_prevout_spent_amount = entry.total_prevout_spent_amount;
328  coins_stats.total_new_outputs_ex_coinbase_amount = entry.total_new_outputs_ex_coinbase_amount;
329  coins_stats.total_coinbase_amount = entry.total_coinbase_amount;
330  coins_stats.total_unspendables_genesis_block = entry.total_unspendables_genesis_block;
331  coins_stats.total_unspendables_bip30 = entry.total_unspendables_bip30;
332  coins_stats.total_unspendables_scripts = entry.total_unspendables_scripts;
333  coins_stats.total_unspendables_unclaimed_rewards = entry.total_unspendables_unclaimed_rewards;
334 
335  return true;
336 }
337 
339 {
340  if (!m_db->Read(DB_MUHASH, m_muhash)) {
341  // Check that the cause of the read failure is that the key does not
342  // exist. Any other errors indicate database corruption or a disk
343  // failure, and starting the index would cause further corruption.
344  if (m_db->Exists(DB_MUHASH)) {
345  return error("%s: Cannot read current %s state; index may be corrupted",
346  __func__, GetName());
347  }
348  }
349 
350  if (!BaseIndex::Init()) return false;
351 
352  const CBlockIndex* pindex{CurrentIndex()};
353 
354  if (pindex) {
355  DBVal entry;
356  if (!LookUpOne(*m_db, pindex, entry)) {
357  return false;
358  }
359 
360  m_transaction_output_count = entry.transaction_output_count;
361  m_bogo_size = entry.bogo_size;
362  m_total_amount = entry.total_amount;
363  m_total_subsidy = entry.total_subsidy;
364  m_total_unspendable_amount = entry.total_unspendable_amount;
365  m_total_prevout_spent_amount = entry.total_prevout_spent_amount;
366  m_total_new_outputs_ex_coinbase_amount = entry.total_new_outputs_ex_coinbase_amount;
367  m_total_coinbase_amount = entry.total_coinbase_amount;
368  m_total_unspendables_genesis_block = entry.total_unspendables_genesis_block;
369  m_total_unspendables_bip30 = entry.total_unspendables_bip30;
370  m_total_unspendables_scripts = entry.total_unspendables_scripts;
371  m_total_unspendables_unclaimed_rewards = entry.total_unspendables_unclaimed_rewards;
372  }
373 
374  return true;
375 }
376 
377 // Reverse a single block as part of a reorg
378 bool CoinStatsIndex::ReverseBlock(const CBlock& block, const CBlockIndex* pindex)
379 {
380  CBlockUndo block_undo;
381  std::pair<uint256, DBVal> read_out;
382 
383  const CAmount block_subsidy{GetBlockSubsidy(pindex->nHeight, Params().GetConsensus())};
384  m_total_subsidy -= block_subsidy;
385 
386  // Ignore genesis block
387  if (pindex->nHeight > 0) {
388  if (!UndoReadFromDisk(block_undo, pindex)) {
389  return false;
390  }
391 
392  if (!m_db->Read(DBHeightKey(pindex->nHeight - 1), read_out)) {
393  return false;
394  }
395 
396  uint256 expected_block_hash{pindex->pprev->GetBlockHash()};
397  if (read_out.first != expected_block_hash) {
398  LogPrintf("WARNING: previous block header belongs to unexpected block %s; expected %s\n",
399  read_out.first.ToString(), expected_block_hash.ToString());
400 
401  if (!m_db->Read(DBHashKey(expected_block_hash), read_out)) {
402  return error("%s: previous block header not found; expected %s",
403  __func__, expected_block_hash.ToString());
404  }
405  }
406  }
407 
408  // Remove the new UTXOs that were created from the block
409  for (size_t i = 0; i < block.vtx.size(); ++i) {
410  const auto& tx{block.vtx.at(i)};
411 
412  for (uint32_t j = 0; j < tx->vout.size(); ++j) {
413  const CTxOut& out{tx->vout[j]};
414  COutPoint outpoint{tx->GetHash(), j};
415  Coin coin{out, pindex->nHeight, tx->IsCoinBase()};
416 
417  // Skip unspendable coins
418  if (coin.out.scriptPubKey.IsUnspendable()) {
419  m_total_unspendable_amount -= coin.out.nValue;
420  m_total_unspendables_scripts -= coin.out.nValue;
421  continue;
422  }
423 
424  m_muhash.Remove(MakeUCharSpan(TxOutSer(outpoint, coin)));
425 
426  if (tx->IsCoinBase()) {
427  m_total_coinbase_amount -= coin.out.nValue;
428  } else {
429  m_total_new_outputs_ex_coinbase_amount -= coin.out.nValue;
430  }
431 
433  m_total_amount -= coin.out.nValue;
434  m_bogo_size -= GetBogoSize(coin.out.scriptPubKey);
435  }
436 
437  // The coinbase tx has no undo data since no former output is spent
438  if (!tx->IsCoinBase()) {
439  const auto& tx_undo{block_undo.vtxundo.at(i - 1)};
440 
441  for (size_t j = 0; j < tx_undo.vprevout.size(); ++j) {
442  Coin coin{tx_undo.vprevout[j]};
443  COutPoint outpoint{tx->vin[j].prevout.hash, tx->vin[j].prevout.n};
444 
445  m_muhash.Insert(MakeUCharSpan(TxOutSer(outpoint, coin)));
446 
447  m_total_prevout_spent_amount -= coin.out.nValue;
448 
450  m_total_amount += coin.out.nValue;
451  m_bogo_size += GetBogoSize(coin.out.scriptPubKey);
452  }
453  }
454  }
455 
457  m_total_unspendable_amount -= unclaimed_rewards;
458  m_total_unspendables_unclaimed_rewards -= unclaimed_rewards;
459 
460  // Check that the rolled back internal values are consistent with the DB read out
461  uint256 out;
462  m_muhash.Finalize(out);
463  Assert(read_out.second.muhash == out);
464 
465  Assert(m_transaction_output_count == read_out.second.transaction_output_count);
466  Assert(m_total_amount == read_out.second.total_amount);
467  Assert(m_bogo_size == read_out.second.bogo_size);
468  Assert(m_total_subsidy == read_out.second.total_subsidy);
469  Assert(m_total_unspendable_amount == read_out.second.total_unspendable_amount);
470  Assert(m_total_prevout_spent_amount == read_out.second.total_prevout_spent_amount);
471  Assert(m_total_new_outputs_ex_coinbase_amount == read_out.second.total_new_outputs_ex_coinbase_amount);
472  Assert(m_total_coinbase_amount == read_out.second.total_coinbase_amount);
473  Assert(m_total_unspendables_genesis_block == read_out.second.total_unspendables_genesis_block);
474  Assert(m_total_unspendables_bip30 == read_out.second.total_unspendables_bip30);
475  Assert(m_total_unspendables_scripts == read_out.second.total_unspendables_scripts);
476  Assert(m_total_unspendables_unclaimed_rewards == read_out.second.total_unspendables_unclaimed_rewards);
477 
478  return m_db->Write(DB_MUHASH, m_muhash);
479 }
CCoinsStats::total_unspendable_amount
CAmount total_unspendable_amount
Total cumulative amount of unspendable coins up to and including this block.
Definition: coinstats.h:52
DB_BLOCK_HEIGHT
static constexpr uint8_t DB_BLOCK_HEIGHT
Definition: coinstatsindex.cpp:16
CCoinsStats::total_unspendables_bip30
CAmount total_unspendables_bip30
The two unspendable coinbase outputs total amount caused by BIP30.
Definition: coinstats.h:62
GetBlockSubsidy
CAmount GetBlockSubsidy(int nHeight, const Consensus::Params &consensusParams)
Definition: validation.cpp:1072
CoinStatsIndex::m_total_unspendable_amount
CAmount m_total_unspendable_amount
Definition: coinstatsindex.h:28
CCoinsStats::total_new_outputs_ex_coinbase_amount
CAmount total_new_outputs_ex_coinbase_amount
Total cumulative amount of outputs created up to and including this block.
Definition: coinstats.h:56
SERIALIZE_METHODS
#define SERIALIZE_METHODS(cls, obj)
Implement the Serialize and Unserialize methods by delegating to a single templated static method tha...
Definition: serialize.h:183
CoinStatsIndex::m_muhash
MuHash3072 m_muhash
Definition: coinstatsindex.h:23
CBlockIndex::GetAncestor
CBlockIndex * GetAncestor(int height)
Efficiently find an ancestor of this block.
Definition: chain.cpp:111
assert
assert(!tx.IsCoinBase())
CoinStatsIndex::m_total_unspendables_bip30
CAmount m_total_unspendables_bip30
Definition: coinstatsindex.h:33
CoinStatsIndex::GetName
const char * GetName() const override
Get the name of the index for display in logs.
Definition: coinstatsindex.h:48
CoinStatsIndex::WriteBlock
bool WriteBlock(const CBlock &block, const CBlockIndex *pindex) override
Write update index entries for a newly connected block.
Definition: coinstatsindex.cpp:106
LookUpOne
static bool LookUpOne(const CDBWrapper &db, const CBlockIndex *block_index, DBVal &result)
Definition: coinstatsindex.cpp:295
CDBBatch
Batch of changes queued to be written to a CDBWrapper.
Definition: dbwrapper.h:47
ArgsManager::GetDataDirNet
const fs::path & GetDataDirNet() const
Get data directory path with appended network identifier.
Definition: system.h:282
BaseIndex::Init
virtual bool Init()
Initialize internal state from the database and block index.
Definition: base.cpp:55
MakeUCharSpan
constexpr auto MakeUCharSpan(V &&v) -> decltype(UCharSpanCast(MakeSpan(std::forward< V >(v))))
Like MakeSpan, but for (const) unsigned char member types only.
Definition: span.h:249
COutPoint::hash
uint256 hash
Definition: transaction.h:29
CCoinsStats::total_coinbase_amount
CAmount total_coinbase_amount
Total cumulative amount of coinbase outputs up to and including this block.
Definition: coinstats.h:58
CBlockIndex::pprev
CBlockIndex * pprev
pointer to the index of the predecessor of this block
Definition: chain.h:144
CBlockIndex::nHeight
int nHeight
height of the entry in the chain. The genesis block has height 0
Definition: chain.h:150
BaseIndex::m_chainstate
CChainState * m_chainstate
Definition: base.h:79
MuHash3072::Insert
MuHash3072 & Insert(Span< const unsigned char > in) noexcept
Definition: muhash.cpp:338
CCoinsStats
Definition: coinstats.h:27
CChainParams::GetConsensus
const Consensus::Params & GetConsensus() const
Definition: chainparams.h:82
CDBWrapper::Read
bool Read(const K &key, V &value) const
Definition: dbwrapper.h:231
CoinStatsIndex::m_total_unspendables_genesis_block
CAmount m_total_unspendables_genesis_block
Definition: coinstatsindex.h:32
coinstatsindex.h
chainparams.h
CoinStatsIndex::m_bogo_size
uint64_t m_bogo_size
Definition: coinstatsindex.h:25
CBlockUndo::vtxundo
std::vector< CTxUndo > vtxundo
Definition: undo.h:66
Assert
#define Assert(val)
Identity function.
Definition: check.h:57
DB_MUHASH
static constexpr uint8_t DB_MUHASH
Definition: coinstatsindex.cpp:17
CoinStatsIndex::m_db
std::unique_ptr< BaseIndex::DB > m_db
Definition: coinstatsindex.h:21
g_coin_stats_index
std::unique_ptr< CoinStatsIndex > g_coin_stats_index
The global UTXO set hash object.
Definition: coinstatsindex.cpp:94
CoinStatsIndex::m_total_amount
CAmount m_total_amount
Definition: coinstatsindex.h:26
BaseIndex::CurrentIndex
const CBlockIndex * CurrentIndex()
Definition: base.h:85
CDBIterator::Next
void Next()
Definition: dbwrapper.cpp:238
prefix
const char * prefix
Definition: rest.cpp:712
CDBBatch::Write
void Write(const K &key, const V &value)
Definition: dbwrapper.h:73
MuHash3072::Remove
MuHash3072 & Remove(Span< const unsigned char > in) noexcept
Definition: muhash.cpp:343
muhash.h
ser_readdata32be
uint32_t ser_readdata32be(Stream &s)
Definition: serialize.h:113
CoinStatsIndex::m_total_new_outputs_ex_coinbase_amount
CAmount m_total_new_outputs_ex_coinbase_amount
Definition: coinstatsindex.h:30
CDBIterator::GetValue
bool GetValue(V &value)
Definition: dbwrapper.h:158
CoinStatsIndex::Rewind
bool Rewind(const CBlockIndex *current_tip, const CBlockIndex *new_tip) override
Rewind index to an earlier chain tip during a chain reorg.
Definition: coinstatsindex.cpp:257
Unserialize
void Unserialize(Stream &s, char &a)
Definition: serialize.h:215
CoinStatsIndex::m_total_subsidy
CAmount m_total_subsidy
Definition: coinstatsindex.h:27
CopyHeightIndexToHashIndex
static bool CopyHeightIndexToHashIndex(CDBIterator &db_it, CDBBatch &batch, const std::string &index_name, int start_height, int stop_height)
Definition: coinstatsindex.cpp:231
TxOutSer
CDataStream TxOutSer(const COutPoint &outpoint, const Coin &coin)
Definition: coinstats.cpp:30
CTxOut
An output of a transaction.
Definition: transaction.h:128
Coin
A UTXO entry.
Definition: coins.h:30
BaseIndex::Rewind
virtual bool Rewind(const CBlockIndex *current_tip, const CBlockIndex *new_tip)
Rewind index to an earlier chain tip during a chain reorg.
Definition: base.cpp:211
CoinStatsIndex::m_name
std::string m_name
Definition: coinstatsindex.h:20
GetBogoSize
uint64_t GetBogoSize(const CScript &script_pub_key)
Definition: coinstats.cpp:20
CCoinsStats::total_unspendables_scripts
CAmount total_unspendables_scripts
Total cumulative amount of outputs sent to unspendable scripts (OP_RETURN for example) up to and incl...
Definition: coinstats.h:64
undo.h
CCoinsStats::total_unspendables_unclaimed_rewards
CAmount total_unspendables_unclaimed_rewards
Total cumulative amount of coins lost due to unclaimed miner rewards up to and including this block.
Definition: coinstats.h:66
CoinStatsIndex::Init
bool Init() override
Initialize internal state from the database and block index.
Definition: coinstatsindex.cpp:338
LogPrintf
#define LogPrintf(...)
Definition: logging.h:185
CAmount
int64_t CAmount
Amount in satoshis (Can be negative)
Definition: amount.h:12
ReadBlockFromDisk
bool ReadBlockFromDisk(CBlock &block, const FlatFilePos &pos, const Consensus::Params &consensusParams)
Functions for disk access for blocks.
Definition: blockstorage.cpp:365
ser_readdata8
uint8_t ser_readdata8(Stream &s)
Definition: serialize.h:89
uint256
256-bit opaque blob.
Definition: uint256.h:124
uint256S
uint256 uint256S(const char *str)
Definition: uint256.h:137
READWRITE
#define READWRITE(...)
Definition: serialize.h:147
MuHash3072::Finalize
void Finalize(uint256 &out) noexcept
Definition: muhash.cpp:313
ser_writedata8
void ser_writedata8(Stream &s, uint8_t obj)
Definition: serialize.h:60
CCoinsStats::total_unspendables_genesis_block
CAmount total_unspendables_genesis_block
The unspendable coinbase amount from the genesis block.
Definition: coinstats.h:60
UndoReadFromDisk
bool UndoReadFromDisk(CBlockUndo &blockundo, const CBlockIndex *pindex)
Definition: blockstorage.cpp:137
CBlockIndex::GetBlockHash
uint256 GetBlockHash() const
Definition: chain.h:246
coins.h
gArgs
ArgsManager gArgs
Definition: system.cpp:84
CDBIterator::Seek
void Seek(const K &key)
Definition: dbwrapper.h:137
CoinStatsIndex::CoinStatsIndex
CoinStatsIndex(size_t n_cache_size, bool f_memory=false, bool f_wipe=false)
Definition: coinstatsindex.cpp:98
CDBWrapper
Definition: dbwrapper.h:176
CBlock
Definition: block.h:62
BlockManager::LookupBlockIndex
CBlockIndex * LookupBlockIndex(const uint256 &hash) const EXCLUSIVE_LOCKS_REQUIRED(cs_main)
Definition: validation.cpp:149
CBlock::vtx
std::vector< CTransactionRef > vtx
Definition: block.h:66
cs_main
RecursiveMutex cs_main
Mutex to guard access to validation specific variables, such as reading or changing the chainstate.
Definition: validation.cpp:117
CCoinsStats::nTransactionOutputs
uint64_t nTransactionOutputs
Definition: coinstats.h:33
LOCK
#define LOCK(cs)
Definition: sync.h:226
blockstorage.h
ser_writedata32be
void ser_writedata32be(Stream &s, uint32_t obj)
Definition: serialize.h:79
CDBIterator::GetKey
bool GetKey(K &key)
Definition: dbwrapper.h:147
CCoinsStats::nBogoSize
uint64_t nBogoSize
Definition: coinstats.h:34
CCoinsStats::nTotalAmount
CAmount nTotalAmount
Definition: coinstats.h:37
CoinStatsIndex::m_total_unspendables_unclaimed_rewards
CAmount m_total_unspendables_unclaimed_rewards
Definition: coinstatsindex.h:35
CChainState::m_blockman
BlockManager & m_blockman
Reference to a BlockManager instance which itself is shared across all CChainState instances.
Definition: validation.h:585
Params
const CChainParams & Params()
Return the currently selected parameters.
Definition: chainparams.cpp:536
CoinStatsIndex::m_total_unspendables_scripts
CAmount m_total_unspendables_scripts
Definition: coinstatsindex.h:34
serialize.h
CCoinsStats::hashSerialized
uint256 hashSerialized
Definition: coinstats.h:35
CoinStatsIndex::m_total_coinbase_amount
CAmount m_total_coinbase_amount
Definition: coinstatsindex.h:31
CCoinsStats::total_subsidy
CAmount total_subsidy
Total cumulative amount of block subsidies up to and including this block.
Definition: coinstats.h:50
CoinStatsIndex::ReverseBlock
bool ReverseBlock(const CBlock &block, const CBlockIndex *pindex)
Definition: coinstatsindex.cpp:378
COutPoint
An outpoint - a combination of a transaction hash and an index n into its vout.
Definition: transaction.h:26
CCoinsStats::total_prevout_spent_amount
CAmount total_prevout_spent_amount
Total cumulative amount of prevouts spent up to and including this block.
Definition: coinstats.h:54
CoinStatsIndex::m_transaction_output_count
uint64_t m_transaction_output_count
Definition: coinstatsindex.h:24
error
bool error(const char *fmt, const Args &... args)
Definition: system.h:49
CBlockIndex
The block chain is a tree shaped structure starting with the genesis block at the root,...
Definition: chain.h:137
CoinStatsIndex::m_total_prevout_spent_amount
CAmount m_total_prevout_spent_amount
Definition: coinstatsindex.h:29
DB_BLOCK_HASH
static constexpr uint8_t DB_BLOCK_HASH
Definition: coinstatsindex.cpp:15
Serialize
void Serialize(Stream &s, char a)
Definition: serialize.h:199
txdb.h
CBlockUndo
Undo information for a CBlock.
Definition: undo.h:63
CoinStatsIndex::LookUpStats
bool LookUpStats(const CBlockIndex *block_index, CCoinsStats &coins_stats) const
Definition: coinstatsindex.cpp:314
CDBIterator
Definition: dbwrapper.h:117