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-rw-r--r--src/node/coinstats.cpp104
-rw-r--r--src/node/coinstats.h28
2 files changed, 86 insertions, 46 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);
diff --git a/src/node/coinstats.h b/src/node/coinstats.h
index 975651dcc4..8be256edc9 100644
--- a/src/node/coinstats.h
+++ b/src/node/coinstats.h
@@ -7,6 +7,9 @@
#define BITCOIN_NODE_COINSTATS_H
#include <amount.h>
+#include <chain.h>
+#include <coins.h>
+#include <streams.h>
#include <uint256.h>
#include <cstdint>
@@ -23,6 +26,7 @@ enum class CoinStatsHashType {
struct CCoinsStats
{
+ CoinStatsHashType m_hash_type;
int nHeight{0};
uint256 hashBlock{};
uint64_t nTransactions{0};
@@ -34,9 +38,31 @@ struct CCoinsStats
//! The number of coins contained.
uint64_t coins_count{0};
+
+ //! Signals if the coinstatsindex should be used (when available).
+ bool index_requested{true};
+ //! Signals if the coinstatsindex was used to retrieve the statistics.
+ bool index_used{false};
+
+ // Following values are only available from coinstats index
+ CAmount total_subsidy{0};
+ CAmount block_unspendable_amount{0};
+ CAmount block_prevout_spent_amount{0};
+ CAmount block_new_outputs_ex_coinbase_amount{0};
+ CAmount block_coinbase_amount{0};
+ CAmount unspendables_genesis_block{0};
+ CAmount unspendables_bip30{0};
+ CAmount unspendables_scripts{0};
+ CAmount unspendables_unclaimed_rewards{0};
+
+ CCoinsStats(CoinStatsHashType hash_type) : m_hash_type(hash_type) {}
};
//! Calculate statistics about the unspent transaction output set
-bool GetUTXOStats(CCoinsView* view, BlockManager& blockman, CCoinsStats& stats, const 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 = nullptr);
+
+uint64_t GetBogoSize(const CScript& script_pub_key);
+
+CDataStream TxOutSer(const COutPoint& outpoint, const Coin& coin);
#endif // BITCOIN_NODE_COINSTATS_H