diff options
Diffstat (limited to 'src/node/coinstats.cpp')
-rw-r--r-- | src/node/coinstats.cpp | 104 |
1 files changed, 59 insertions, 45 deletions
diff --git a/src/node/coinstats.cpp b/src/node/coinstats.cpp index f8f0fff43f..38c1d29250 100644 --- a/src/node/coinstats.cpp +++ b/src/node/coinstats.cpp @@ -8,6 +8,7 @@ #include <coins.h> #include <crypto/muhash.h> #include <hash.h> +#include <index/coinstatsindex.h> #include <serialize.h> #include <uint256.h> #include <util/system.h> @@ -16,44 +17,22 @@ #include <map> // Database-independent metric indicating the UTXO set size -static uint64_t GetBogoSize(const CScript& scriptPubKey) +uint64_t GetBogoSize(const CScript& script_pub_key) { return 32 /* txid */ + 4 /* vout index */ + 4 /* height + coinbase */ + 8 /* amount */ + 2 /* scriptPubKey len */ + - scriptPubKey.size() /* scriptPubKey */; + script_pub_key.size() /* scriptPubKey */; } -static void ApplyHash(CCoinsStats& stats, CHashWriter& ss, const uint256& hash, const std::map<uint32_t, Coin>& outputs, std::map<uint32_t, Coin>::const_iterator it) -{ - if (it == outputs.begin()) { - ss << hash; - ss << VARINT(it->second.nHeight * 2 + it->second.fCoinBase ? 1u : 0u); - } - - ss << VARINT(it->first + 1); - ss << it->second.out.scriptPubKey; - ss << VARINT_MODE(it->second.out.nValue, VarIntMode::NONNEGATIVE_SIGNED); - - if (it == std::prev(outputs.end())) { - ss << VARINT(0u); - } -} - -static void ApplyHash(CCoinsStats& stats, std::nullptr_t, const uint256& hash, const std::map<uint32_t, Coin>& outputs, std::map<uint32_t, Coin>::const_iterator it) {} - -static void ApplyHash(CCoinsStats& stats, MuHash3072& muhash, const uint256& hash, const std::map<uint32_t, Coin>& outputs, std::map<uint32_t, Coin>::const_iterator it) -{ - COutPoint outpoint = COutPoint(hash, it->first); - Coin coin = it->second; - +CDataStream TxOutSer(const COutPoint& outpoint, const Coin& coin) { CDataStream ss(SER_DISK, PROTOCOL_VERSION); ss << outpoint; ss << static_cast<uint32_t>(coin.nHeight * 2 + coin.fCoinBase); ss << coin.out; - muhash.Insert(MakeUCharSpan(ss)); + return ss; } //! Warning: be very careful when changing this! assumeutxo and UTXO snapshot @@ -68,14 +47,40 @@ static void ApplyHash(CCoinsStats& stats, MuHash3072& muhash, const uint256& has //! It is also possible, though very unlikely, that a change in this //! construction could cause a previously invalid (and potentially malicious) //! UTXO snapshot to be considered valid. -template <typename T> -static void ApplyStats(CCoinsStats& stats, T& hash_obj, const uint256& hash, const std::map<uint32_t, Coin>& outputs) +static void ApplyHash(CHashWriter& ss, const uint256& hash, const std::map<uint32_t, Coin>& outputs) +{ + for (auto it = outputs.begin(); it != outputs.end(); ++it) { + if (it == outputs.begin()) { + ss << hash; + ss << VARINT(it->second.nHeight * 2 + it->second.fCoinBase ? 1u : 0u); + } + + ss << VARINT(it->first + 1); + ss << it->second.out.scriptPubKey; + ss << VARINT_MODE(it->second.out.nValue, VarIntMode::NONNEGATIVE_SIGNED); + + if (it == std::prev(outputs.end())) { + ss << VARINT(0u); + } + } +} + +static void ApplyHash(std::nullptr_t, const uint256& hash, const std::map<uint32_t, Coin>& outputs) {} + +static void ApplyHash(MuHash3072& muhash, const uint256& hash, const std::map<uint32_t, Coin>& outputs) +{ + for (auto it = outputs.begin(); it != outputs.end(); ++it) { + COutPoint outpoint = COutPoint(hash, it->first); + Coin coin = it->second; + muhash.Insert(MakeUCharSpan(TxOutSer(outpoint, coin))); + } +} + +static void ApplyStats(CCoinsStats& stats, const uint256& hash, const std::map<uint32_t, Coin>& outputs) { assert(!outputs.empty()); stats.nTransactions++; for (auto it = outputs.begin(); it != outputs.end(); ++it) { - ApplyHash(stats, hash_obj, hash, outputs, it); - stats.nTransactionOutputs++; stats.nTotalAmount += it->second.out.nValue; stats.nBogoSize += GetBogoSize(it->second.out.scriptPubKey); @@ -84,18 +89,25 @@ static void ApplyStats(CCoinsStats& stats, T& hash_obj, const uint256& hash, con //! Calculate statistics about the unspent transaction output set template <typename T> -static bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& stats, T hash_obj, const std::function<void()>& interruption_point) +static bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& stats, T hash_obj, const std::function<void()>& interruption_point, const CBlockIndex* pindex) { - stats = CCoinsStats(); std::unique_ptr<CCoinsViewCursor> pcursor(view->Cursor()); assert(pcursor); - stats.hashBlock = pcursor->GetBestBlock(); - { - LOCK(cs_main); - assert(std::addressof(g_chainman.m_blockman) == std::addressof(blockman)); - const CBlockIndex* block = blockman.LookupBlockIndex(stats.hashBlock); - stats.nHeight = Assert(block)->nHeight; + if (!pindex) { + { + LOCK(cs_main); + assert(std::addressof(g_chainman.m_blockman) == std::addressof(blockman)); + pindex = blockman.LookupBlockIndex(view->GetBestBlock()); + } + } + stats.nHeight = Assert(pindex)->nHeight; + stats.hashBlock = pindex->GetBlockHash(); + + // Use CoinStatsIndex if it is requested and available and a hash_type of Muhash or None was requested + if ((stats.m_hash_type == CoinStatsHashType::MUHASH || stats.m_hash_type == CoinStatsHashType::NONE) && g_coin_stats_index && stats.index_requested) { + stats.index_used = true; + return g_coin_stats_index->LookUpStats(pindex, stats); } PrepareHash(hash_obj, stats); @@ -108,7 +120,8 @@ static bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& Coin coin; if (pcursor->GetKey(key) && pcursor->GetValue(coin)) { if (!outputs.empty() && key.hash != prevkey) { - ApplyStats(stats, hash_obj, prevkey, outputs); + ApplyStats(stats, prevkey, outputs); + ApplyHash(hash_obj, prevkey, outputs); outputs.clear(); } prevkey = key.hash; @@ -120,7 +133,8 @@ static bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& pcursor->Next(); } if (!outputs.empty()) { - ApplyStats(stats, hash_obj, prevkey, outputs); + ApplyStats(stats, prevkey, outputs); + ApplyHash(hash_obj, prevkey, outputs); } FinalizeHash(hash_obj, stats); @@ -129,19 +143,19 @@ static bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& return true; } -bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& stats, CoinStatsHashType hash_type, const std::function<void()>& interruption_point) +bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& stats, const std::function<void()>& interruption_point, const CBlockIndex* pindex) { - switch (hash_type) { + switch (stats.m_hash_type) { case(CoinStatsHashType::HASH_SERIALIZED): { CHashWriter ss(SER_GETHASH, PROTOCOL_VERSION); - return GetUTXOStats(view, blockman, stats, ss, interruption_point); + return GetUTXOStats(view, blockman, stats, ss, interruption_point, pindex); } case(CoinStatsHashType::MUHASH): { MuHash3072 muhash; - return GetUTXOStats(view, blockman, stats, muhash, interruption_point); + return GetUTXOStats(view, blockman, stats, muhash, interruption_point, pindex); } case(CoinStatsHashType::NONE): { - return GetUTXOStats(view, blockman, stats, nullptr, interruption_point); + return GetUTXOStats(view, blockman, stats, nullptr, interruption_point, pindex); } } // no default case, so the compiler can warn about missing cases assert(false); |