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Implement CCoinsViewErrorCatcher::HaveCoin

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This commit is contained in:
Aurèle Oulès 2022-10-18 11:20:06 +02:00
parent a52ff619a4
commit 7fe537f7a4
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GPG key ID: 55F3976F7001D998
2 changed files with 14 additions and 3 deletions
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16
src/coins.cpp
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@ -292,11 +292,13 @@ const Coin& AccessByTxid(const CCoinsViewCache& view, const uint256& txid)
return coinEmpty;
}
bool CCoinsViewErrorCatcher::GetCoin(const COutPoint &outpoint, Coin &coin) const {
template <typename Func>
static bool ExecuteBackedWrapper(Func func, const std::vector<std::function<void()>>& err_callbacks)
{
try {
return CCoinsViewBacked::GetCoin(outpoint, coin);
return func();
} catch(const std::runtime_error& e) {
for (const auto& f : m_err_callbacks) {
for (const auto& f : err_callbacks) {
f();
}
LogPrintf("Error reading from database: %s\n", e.what());
@ -307,3 +309,11 @@ bool CCoinsViewErrorCatcher::GetCoin(const COutPoint &outpoint, Coin &coin) cons
std::abort();
}
}
bool CCoinsViewErrorCatcher::GetCoin(const COutPoint &outpoint, Coin &coin) const {
return ExecuteBackedWrapper([&]() { return CCoinsViewBacked::GetCoin(outpoint, coin); }, m_err_callbacks);
}
bool CCoinsViewErrorCatcher::HaveCoin(const COutPoint &outpoint) const {
return ExecuteBackedWrapper([&]() { return CCoinsViewBacked::HaveCoin(outpoint); }, m_err_callbacks);
}

1
src/coins.h
View file

@ -349,6 +349,7 @@ public:
}
bool GetCoin(const COutPoint &outpoint, Coin &coin) const override;
bool HaveCoin(const COutPoint &outpoint) const override;
private:
/** A list of callbacks to execute upon leveldb read error. */