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-rw-r--r--src/wallet/bdb.cpp17
-rw-r--r--src/wallet/bdb.h39
2 files changed, 17 insertions, 39 deletions
diff --git a/src/wallet/bdb.cpp b/src/wallet/bdb.cpp
index 6ac8340a31..fa4a505982 100644
--- a/src/wallet/bdb.cpp
+++ b/src/wallet/bdb.cpp
@@ -796,15 +796,13 @@ std::string BerkeleyDatabaseVersion()
return DbEnv::version(nullptr, nullptr, nullptr);
}
-bool BerkeleyBatch::ReadKey(CDataStream& key, CDataStream& value)
+bool BerkeleyBatch::ReadKey(CDataStream&& key, CDataStream& value)
{
if (!pdb)
return false;
- // Key
SafeDbt datKey(key.data(), key.size());
- // Read
SafeDbt datValue;
int ret = pdb->get(activeTxn, datKey, datValue, 0);
if (ret == 0 && datValue.get_data() != nullptr) {
@@ -814,48 +812,41 @@ bool BerkeleyBatch::ReadKey(CDataStream& key, CDataStream& value)
return false;
}
-bool BerkeleyBatch::WriteKey(CDataStream& key, CDataStream& value, bool overwrite)
+bool BerkeleyBatch::WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite)
{
if (!pdb)
return true;
if (fReadOnly)
assert(!"Write called on database in read-only mode");
- // Key
SafeDbt datKey(key.data(), key.size());
- // Value
SafeDbt datValue(value.data(), value.size());
- // Write
int ret = pdb->put(activeTxn, datKey, datValue, (overwrite ? 0 : DB_NOOVERWRITE));
return (ret == 0);
}
-bool BerkeleyBatch::EraseKey(CDataStream& key)
+bool BerkeleyBatch::EraseKey(CDataStream&& key)
{
if (!pdb)
return false;
if (fReadOnly)
assert(!"Erase called on database in read-only mode");
- // Key
SafeDbt datKey(key.data(), key.size());
- // Erase
int ret = pdb->del(activeTxn, datKey, 0);
return (ret == 0 || ret == DB_NOTFOUND);
}
-bool BerkeleyBatch::HasKey(CDataStream& key)
+bool BerkeleyBatch::HasKey(CDataStream&& key)
{
if (!pdb)
return false;
- // Key
SafeDbt datKey(key.data(), key.size());
- // Exists
int ret = pdb->exists(activeTxn, datKey, 0);
return ret == 0;
}
diff --git a/src/wallet/bdb.h b/src/wallet/bdb.h
index 64f573047c..599319482b 100644
--- a/src/wallet/bdb.h
+++ b/src/wallet/bdb.h
@@ -195,10 +195,10 @@ class BerkeleyBatch
};
private:
- bool ReadKey(CDataStream& key, CDataStream& value);
- bool WriteKey(CDataStream& key, CDataStream& value, bool overwrite=true);
- bool EraseKey(CDataStream& key);
- bool HasKey(CDataStream& key);
+ bool ReadKey(CDataStream&& key, CDataStream& value);
+ bool WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite = true);
+ bool EraseKey(CDataStream&& key);
+ bool HasKey(CDataStream&& key);
protected:
Db* pdb;
@@ -222,65 +222,52 @@ public:
template <typename K, typename T>
bool Read(const K& key, T& value)
{
- // Key
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
CDataStream ssValue(SER_DISK, CLIENT_VERSION);
- bool success = false;
- bool ret = ReadKey(ssKey, ssValue);
- if (ret) {
- // Unserialize value
- try {
- ssValue >> value;
- success = true;
- } catch (const std::exception&) {
- // In this case success remains 'false'
- }
+ if (!ReadKey(std::move(ssKey), ssValue)) return false;
+ try {
+ ssValue >> value;
+ return true;
+ } catch (const std::exception&) {
+ return false;
}
- return ret && success;
}
template <typename K, typename T>
bool Write(const K& key, const T& value, bool fOverwrite = true)
{
- // Key
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
- // Value
CDataStream ssValue(SER_DISK, CLIENT_VERSION);
ssValue.reserve(10000);
ssValue << value;
- // Write
- return WriteKey(ssKey, ssValue, fOverwrite);
+ return WriteKey(std::move(ssKey), std::move(ssValue), fOverwrite);
}
template <typename K>
bool Erase(const K& key)
{
- // Key
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
- // Erase
- return EraseKey(ssKey);
+ return EraseKey(std::move(ssKey));
}
template <typename K>
bool Exists(const K& key)
{
- // Key
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(1000);
ssKey << key;
- // Exists
- return HasKey(ssKey);
+ return HasKey(std::move(ssKey));
}
bool StartCursor();