private BlockVm GenerateBlock(object @object)
{
try
{
BlockVm block = (BlockVm)@object;
Task <byte[]> hashGenerationProcess = new Task <byte[]>((obj) => BlockHashing.ComputeBlockHashPoW((BlockVm)obj), block);
hashGenerationProcess.Start();
while (!hashGenerationProcess.IsCompleted)
{
blockGenerationCancellToken.ThrowIfCancellationRequested();
Task.Delay(250).Wait();
}
block.Header.Hash = hashGenerationProcess.Result;
block.Header.Sign = Encryptor.GetSign(BlockHashing.GetBlockBytes(block), NodeData.Instance.NodeKeys.SignPrivateKey, NodeData.Instance.NodeKeys.Password);
block.Header.SignKeyId = NodeData.Instance.NodeKeys.KeyId;
using (BlockchainDbContext context = new BlockchainDbContext())
{
var resultBlock = context.Add(BlockBuilder.GetBlock(block));
context.SaveChanges();
return(BlockBuilder.GetBlockVm(resultBlock.Entity));
}
}
catch (Exception ex)
{
throw new BlockGenerationException("An error occurred while generating the block.", ex);
}
}
private async Task DownloadBlockchainAsync(long startId)
{
var webInfo = await LicensorClient.Instance.GetBlockchainInfoAsync().ConfigureAwait(false);
BlockchainDataRestorer dataRestorer = new BlockchainDataRestorer();
try
{
BlockchainInfo ownInfo = await BlockchainReadService.GetBlockchainInformationAsync().ConfigureAwait(false);
List <BlockVm> newBlocks = default;
for (long i = startId; i < webInfo.Count; i += 100)
{
if (webInfo.Count - ownInfo.Count > 100)
{
newBlocks = await LicensorClient.Instance.GetBlockchainBlocksAsync(i, i + 100).ConfigureAwait(false);
}
else
{
newBlocks = await LicensorClient.Instance.GetBlockchainBlocksAsync(ownInfo.Count, webInfo.Count).ConfigureAwait(false);
}
if (newBlocks != null)
{
foreach (BlockVm block in newBlocks)
{
using (BlockchainDbContext context = new BlockchainDbContext())
{
try
{
await context.Blocks.AddAsync(BlockBuilder.GetBlock(block)).ConfigureAwait(false);
await context.SaveChangesAsync().ConfigureAwait(false);
await dataRestorer.SaveBlockDataAsync(block).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.WriteLog(ex);
}
}
}
}
}
}
catch (Exception ex)
{
Logger.WriteLog(ex);
}
}