void CacheTransactions(List<Transaction> transactions, BlockData bd)
{
Debug.WriteLine("Caching at block: " + bd.height.ToString());
if (!Directory.Exists("Cache"))
Directory.CreateDirectory("Cache");
FileStream fs = File.Create(DateTime.Now.Ticks.ToString() + ".cache");
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(bd.prev_block);
bw.Write(transactions.Count);
foreach (Transaction t in transactions)
{
bw.Write(t.Hash);
if (t.Sources != null)
{
bw.Write(t.Sources.Length);
foreach (MoneyPlace mp in t.Sources)
{
bw.Write(mp.Address);
bw.Write(mp.Value);
}
}
else
{
bw.Write((int)0);
}
bw.Write(t.Destinations.Length);
foreach (MoneyPlace mp in t.Destinations)
{
bw.Write(mp.Address);
bw.Write(mp.Value);
}
}
bw.Close();
}
public FetchBlock(string blockHash)
{
_wc = new WebClient();
_wc.DownloadStringCompleted += _wc_DownloadStringCompleted;
_result = null;
_wc.DownloadStringAsync(new Uri(string.Format("https://blockchain.info/block-index/{0}?format=json", blockHash)));
Debug.WriteLine("Fetching block: " + blockHash);
}
private void _wc_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
_result = JsonConvert.DeserializeObject<BlockData>(e.Result);
Debug.WriteLine("Finished block: ({0}){1}", _result.height.ToString(), _result.hash);
}
private void _wc_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
_result = JsonConvert.DeserializeObject <BlockData>(e.Result);
Debug.WriteLine("Finished block: ({0}){1}", _result.height.ToString(), _result.hash);
}