public async Task LoadAsync(string trackerFolderPath)
{
await Saving.WaitAsync().ConfigureAwait(false);
try
{
if (!Directory.Exists(trackerFolderPath))
{
throw new DirectoryNotFoundException($"No Blockchain found at {trackerFolderPath}");
}
var tspb = Path.Combine(trackerFolderPath, TrackedScriptPubKeysFileName);
if (File.Exists(tspb) && new FileInfo(tspb).Length != 0)
{
foreach (var line in File.ReadAllLines(tspb))
{
TrackedScriptPubKeys.Add(new Script(line));
}
}
var tt = Path.Combine(trackerFolderPath, TrackedTransactionsFileName);
if (File.Exists(tt) && new FileInfo(tt).Length != 0)
{
foreach (var line in File.ReadAllLines(tt))
{
var pieces = line.Split(':');
//ProcessTransaction(new SmartTransaction(new Transaction(pieces[0]), new Height(pieces[1])));
}
}
var pbc = Path.Combine(trackerFolderPath, MerkleChainFileName);
if (File.Exists(pbc) && new FileInfo(pbc).Length != 0)
{
foreach (var block in Util.Separate(File.ReadAllBytes(pbc), blockSep))
{
try
{
SmartMerkleBlock smartMerkleBlock = SmartMerkleBlock.FromBytes(block);
MerkleChain.Add(smartMerkleBlock);
}
catch (EndOfStreamException)
{
// Some corruption is fine, the software will self correct and save the right data
}
}
if (MerkleChain.Count != 0)
{
BestHeight = MerkleChain.Max().Height;
}
}
}
finally
{
Saving.Release();
}
}
/// <returns>transactions it processed, empty if not processed any</returns>
private HashSet <SmartTransaction> ProcessBlock(Height height, Block block)
{
var foundTransactions = ProcessTransactions(block.Transactions, height);
var smartMerkleBlock = new SmartMerkleBlock(height, block, foundTransactions.Select(x => x.GetHash()).ToArray());
var sameHeights = MerkleChain.Where(x => x.Height == height);
foreach (var elem in sameHeights)
{
MerkleChain.TryRemove(elem);
}
MerkleChain.Add(smartMerkleBlock);
BestHeight = height;
return(foundTransactions);
}