return options;
}
-void init_blockindex(leveldb::Options& options, bool fRemoveOld = false) {
- // First time init.
- filesystem::path directory = GetDataDir() / "txleveldb";
-
- if (fRemoveOld) {
- filesystem::remove_all(directory); // remove directory
- unsigned int nFile = 1;
-
- for ( ; ; )
- {
- filesystem::path strBlockFile = GetDataDir() / strprintf("blk%04u.dat", nFile);
-
- // Break if no such file
- if( !filesystem::exists( strBlockFile ) )
- break;
-
- filesystem::remove(strBlockFile);
-
- nFile++;
- }
- }
-
- filesystem::create_directory(directory);
- printf("Opening LevelDB in %s\n", directory.string().c_str());
- leveldb::Status status = leveldb::DB::Open(options, directory.string(), &txdb);
- if (!status.ok()) {
- throw runtime_error(strprintf("init_blockindex(): error opening database environment %s", status.ToString().c_str()));
- }
-}
-
// CDB subclasses are created and destroyed VERY OFTEN. That's why
// we shouldn't treat this as a free operations.
CTxDB::CTxDB(const char* pszMode)
return;
}
+ // First time init.
+ filesystem::path directory = GetDataDir() / "txleveldb";
bool fCreate = strchr(pszMode, 'c');
options = GetOptions();
options.create_if_missing = fCreate;
options.filter_policy = leveldb::NewBloomFilterPolicy(10);
-
- init_blockindex(options); // Init directory
+ filesystem::create_directory(directory);
+ printf("Opening LevelDB in %s\n", directory.string().c_str());
+ leveldb::Status status = leveldb::DB::Open(options, directory.string(), &txdb);
+ if (!status.ok()) {
+ throw runtime_error(strprintf("CDB(): error opening database environment %s", status.ToString().c_str()));
+ }
pdb = txdb;
- if (Exists(string("version")))
- {
- ReadVersion(nVersion);
- printf("Transaction index version is %d\n", nVersion);
-
- if (nVersion < DATABASE_VERSION)
- {
- printf("Required index version is %d, removing old database\n", DATABASE_VERSION);
-
- // Leveldb instance destruction
- delete txdb;
- txdb = pdb = NULL;
- delete activeBatch;
- activeBatch = NULL;
-
- init_blockindex(options, true); // Remove directory and create new database
- pdb = txdb;
-
- bool fTmp = fReadOnly;
- fReadOnly = false;
- WriteVersion(DATABASE_VERSION); // Save transaction index version
- fReadOnly = fTmp;
- }
- }
- else if (fCreate)
+ if (fCreate && !Exists(string("version")))
{
bool fTmp = fReadOnly;
fReadOnly = false;
- WriteVersion(DATABASE_VERSION);
+ WriteVersion(CLIENT_VERSION);
fReadOnly = fTmp;
}