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[wallet] Make CWallet::ListCoins atomic

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This commit is contained in:
João Barbosa 2018-02-02 11:37:50 +00:00
parent 4cad91663d
commit 1beea7af92
2 changed files with 17 additions and 10 deletions
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18
src/wallet/test/wallet_tests.cpp
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@ -676,18 +676,24 @@ BOOST_FIXTURE_TEST_CASE(ListCoins, ListCoinsTestingSetup)
BOOST_CHECK_EQUAL(list.begin()->second.size(), 2);
// Lock both coins. Confirm number of available coins drops to 0.
std::vector<COutput> available;
wallet->AvailableCoins(available);
BOOST_CHECK_EQUAL(available.size(), 2);
{
LOCK2(cs_main, wallet->cs_wallet);
std::vector<COutput> available;
wallet->AvailableCoins(available);
BOOST_CHECK_EQUAL(available.size(), 2);
}
for (const auto& group : list) {
for (const auto& coin : group.second) {
LOCK(wallet->cs_wallet);
wallet->LockCoin(COutPoint(coin.tx->GetHash(), coin.i));
}
}
wallet->AvailableCoins(available);
BOOST_CHECK_EQUAL(available.size(), 0);
{
LOCK2(cs_main, wallet->cs_wallet);
std::vector<COutput> available;
wallet->AvailableCoins(available);
BOOST_CHECK_EQUAL(available.size(), 0);
}
// Confirm ListCoins still returns same result as before, despite coins
// being locked.
list = wallet->ListCoins();

9
src/wallet/wallet.cpp
View file

@ -2198,11 +2198,12 @@ CAmount CWallet::GetAvailableBalance(const CCoinControl* coinControl) const
void CWallet::AvailableCoins(std::vector<COutput> &vCoins, bool fOnlySafe, const CCoinControl *coinControl, const CAmount &nMinimumAmount, const CAmount &nMaximumAmount, const CAmount &nMinimumSumAmount, const uint64_t nMaximumCount, const int nMinDepth, const int nMaxDepth) const
{
AssertLockHeld(cs_main);
AssertLockHeld(cs_wallet);
vCoins.clear();
{
LOCK2(cs_main, cs_wallet);
CAmount nTotal = 0;
for (const auto& entry : mapWallet)
@ -2320,11 +2321,11 @@ std::map<CTxDestination, std::vector<COutput>> CWallet::ListCoins() const
// avoid adding some extra complexity to the Qt code.
std::map<CTxDestination, std::vector<COutput>> result;
std::vector<COutput> availableCoins;
AvailableCoins(availableCoins);
LOCK2(cs_main, cs_wallet);
AvailableCoins(availableCoins);
for (auto& coin : availableCoins) {
CTxDestination address;
if (coin.fSpendable &&