Examples with KeyValueDataSource org.ethereum.datasource.KeyValueDataSource used on opensource projects

Example 26 with KeyValueDataSource

use of org.ethereum.datasource.KeyValueDataSource in project rskj by rsksmart.

the class ContractDetailsImpl method syncStorage.

@Override
public synchronized void syncStorage() {
    String hashString = this.getStorageHashAsString();
    String addressString = this.getAddressAsString();
    logger.trace("syncing storage address {}", addressString);
    if (this.trie.hasStore()) {
        logger.trace("syncing to storage, hash {}, address {}, storage size {}", hashString, addressString, this.getStorageSize());
        this.trie.save();
        if (this.externalStorage && !this.originalExternalStorage) {
            // switching to data source
            logger.trace("switching to data source, hash {}, address {}", hashString, addressString);
            KeyValueDataSource ds = levelDbByName(config, this.getDataSourceName());
            TrieStoreImpl newStore = new TrieStoreImpl(ds);
            TrieStoreImpl originalStore = (TrieStoreImpl) ((TrieImpl) this.trie).getStore();
            newStore.copyFrom(originalStore);
            Trie newTrie = newStore.retrieve(this.trie.getHash().getBytes());
            this.trie = newTrie;
            if (newTrie == null) {
                logger.error("error switching to data source, hash {}, address {}", hashString, addressString);
                String message = "error switching to data source, hash " + hashString + ", address " + addressString;
                panicProcessor.panic("newcontractdetails", message);
                throw new TrieSerializationException(message, null);
            }
            // to avoid re switching to data source
            this.originalExternalStorage = true;
        }
        if (this.externalStorage) {
            logger.trace("closing contract details data source, hash {}, address {}", hashString, addressString);
            DataSourcePool.closeDataSource(getDataSourceName());
            this.closed = true;
        }
    }
}