/// <summary>
/// Loads block index from file into memory.
/// </summary>
/// <returns>True if succeeds.</returns>
public bool Load()
{
_indexFile = DbFile.Read <IndexFile>(Config.GetBlockIndexFilePath());
if (_indexFile == null)
{
_indexFile = new IndexFile
{
BlockIndices = new List <BlockIndex>()
};
DbFile.Write(Config.GetBlockIndexFilePath(), _indexFile);
}
_blockIndices = _indexFile.BlockIndices;
for (int i = 0, c = _blockIndices.Count; i < c; ++i)
{
var idx = _blockIndices[i].Index;
if (idx != i)
{
return(false);
}
var hash = Utils.HexUtils.ByteArrayFromHex(_blockIndices[i].Hash);
if (!Pow.IsValidHash(hash, Pow.CalculateDifficulty(idx)))
{
return(false);
}
}
_blockFileByIndex = new Dictionary <int, BlockFile>();
_blocks = new Dictionary <int, Block>();
if (_blockIndices.Count == 0)
{
AddBlock(Config.GetGenesisBlock());
}
IsReady = true;
return(true);
}
/// <summary>
/// Loads transaction database from persistent storage into memory.
/// </summary>
/// <returns>True if succeeds.</returns>
public bool Load()
{
_indexFile = DbFile.Read <IndexFile>(Config.GetTransactionIndexFilePath());
if (_indexFile == null)
{
_indexFile = new IndexFile
{
TransactionIndices = new Dictionary <string, TransactionIndex>(),
UnspentTxOuts = new List <UnspentTxOut>(),
PendingTransactions = new List <PendingTransaction>(),
};
DbFile.Write(Config.GetTransactionIndexFilePath(), _indexFile);
}
_transactionIndices = _indexFile.TransactionIndices;
_unspentTxOuts = _indexFile.UnspentTxOuts;
_pendingTransactions = _indexFile.PendingTransactions;
_transactions = new Dictionary <string, Transaction>();
return(true);
}