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bench: Destroy wallet txs instead of leaking their memory #14822

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Merged
merged 1 commit into from
Nov 28, 2018
Merged

bench: Destroy wallet txs instead of leaking their memory #14822

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29 changes: 15 additions & 14 deletions src/bench/coin_selection.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4,25 +4,19 @@

#include <bench/bench.h>
#include <interfaces/chain.h>
#include <wallet/wallet.h>
#include <wallet/coinselection.h>
#include <wallet/wallet.h>

#include <set>

static void addCoin(const CAmount& nValue, const CWallet& wallet, std::vector<OutputGroup>& groups)
static void addCoin(const CAmount& nValue, const CWallet& wallet, std::vector<std::unique_ptr<CWalletTx>>& wtxs)
{
int nInput = 0;

static int nextLockTime = 0;
CMutableTransaction tx;
tx.nLockTime = nextLockTime++; // so all transactions get different hashes
tx.vout.resize(nInput + 1);
tx.vout[nInput].nValue = nValue;
CWalletTx* wtx = new CWalletTx(&wallet, MakeTransactionRef(std::move(tx)));

int nAge = 6 * 24;
COutput output(wtx, nInput, nAge, true /* spendable */, true /* solvable */, true /* safe */);
groups.emplace_back(output.GetInputCoin(), 6, false, 0, 0);
tx.vout.resize(1);
tx.vout[0].nValue = nValue;
wtxs.push_back(MakeUnique<CWalletTx>(&wallet, MakeTransactionRef(std::move(tx))));
}

// Simple benchmark for wallet coin selection. Note that it maybe be necessary
Expand All @@ -36,14 +30,21 @@ static void CoinSelection(benchmark::State& state)
{
auto chain = interfaces::MakeChain();
const CWallet wallet(*chain, WalletLocation(), WalletDatabase::CreateDummy());
std::vector<std::unique_ptr<CWalletTx>> wtxs;
LOCK(wallet.cs_wallet);

// Add coins.
std::vector<OutputGroup> groups;
for (int i = 0; i < 1000; ++i) {
addCoin(1000 * COIN, wallet, groups);
addCoin(1000 * COIN, wallet, wtxs);
}
addCoin(3 * COIN, wallet, wtxs);

// Create groups
std::vector<OutputGroup> groups;
for (const auto& wtx : wtxs) {
COutput output(wtx.get(), 0 /* iIn */, 6 * 24 /* nDepthIn */, true /* spendable */, true /* solvable */, true /* safe */);
groups.emplace_back(output.GetInputCoin(), 6, false, 0, 0);
}
addCoin(3 * COIN, wallet, groups);

const CoinEligibilityFilter filter_standard(1, 6, 0);
const CoinSelectionParams coin_selection_params(true, 34, 148, CFeeRate(0), 0);
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4 changes: 0 additions & 4 deletions test/sanitizer_suppressions/lsan
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Original file line number Diff line number Diff line change
@@ -1,7 +1,3 @@
# Suppress warnings about addCoin(...) leak in the CoinSelection benchmark
leak:addCoin
leak:bench_bitcoin

# Suppress warnings triggered in dependencies
leak:libcrypto
leak:libqminimal
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