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refactor: Separate hash and stats calculation in coinstats

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Fabian Jahr 2020-07-05 12:15:32 +02:00
parent a1fcceac69
commit 2474645f3b
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1 changed files with 21 additions and 17 deletions
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38
src/node/coinstats.cpp
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@ -24,31 +24,35 @@ static uint64_t GetBogoSize(const CScript& scriptPubKey)
scriptPubKey.size() /* scriptPubKey */;
}
static void ApplyStats(CCoinsStats& stats, CHashWriter& ss, const uint256& hash, const std::map<uint32_t, Coin>& outputs)
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)
{
assert(!outputs.empty());
ss << hash;
ss << VARINT(outputs.begin()->second.nHeight * 2 + outputs.begin()->second.fCoinBase ? 1u : 0u);
stats.nTransactions++;
for (const auto& output : outputs) {
ss << VARINT(output.first + 1);
ss << output.second.out.scriptPubKey;
ss << VARINT_MODE(output.second.out.nValue, VarIntMode::NONNEGATIVE_SIGNED);
stats.nTransactionOutputs++;
stats.nTotalAmount += output.second.out.nValue;
stats.nBogoSize += GetBogoSize(output.second.out.scriptPubKey);
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);
}
ss << VARINT(0u);
}
static void ApplyStats(CCoinsStats& stats, std::nullptr_t, const uint256& hash, const std::map<uint32_t, Coin>& outputs)
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) {}
template <typename T>
static void ApplyStats(CCoinsStats &stats, T& hash_obj, const uint256& hash, const std::map<uint32_t, Coin>& outputs)
{
assert(!outputs.empty());
stats.nTransactions++;
for (const auto& output : outputs) {
for (auto it = outputs.begin(); it != outputs.end(); ++it) {
ApplyHash(stats, hash_obj, hash, outputs, it);
stats.nTransactionOutputs++;
stats.nTotalAmount += output.second.out.nValue;
stats.nBogoSize += GetBogoSize(output.second.out.scriptPubKey);
stats.nTotalAmount += it->second.out.nValue;
stats.nBogoSize += GetBogoSize(it->second.out.scriptPubKey);
}
}