public async Task <Block> GetBlock(string id)
{
Block block;
try
{
block = await BlockRepository.GetById(id);
if (block == null)
{
block = await BlockchainDataProvider.GetBlock(id);
if (block != null)
{
await BlockRepository.Save(block);
}
}
}
catch (Exception ex)
{
_log.LogError(ex.Message);
return(null);
}
return(block);
}
public async Task <Block> GetBlock(string id)
{
Block block;
try
{
block = await BlockRepository.GetById(id);
if (block == null)
{
block = await BlockchainDataProvider.GetBlock(id);
if (block != null)
{
await BlockRepository.Save(block);
}
}
}
catch (Exception ex)
{
await Log.WriteError(this.GetType().ToString(), "GetBlock", $"block_id:{id}", ex, DateTime.Now);
return(null);
}
return(block);
}
public async Task <Block> GetLastBlock()
{
Block block;
try
{
block = await BlockchainDataProvider.GetLastBlock();
}
catch (Exception ex)
{
_log.LogError(ex.Message);
return(null);
}
return(block);
}
public async Task <Block> GetLastBlock()
{
Block block;
try
{
block = await BlockchainDataProvider.GetLastBlock();
}
catch (Exception ex)
{
await Log.WriteError(this.GetType().ToString(), "GetLastBlock", $"last_block", ex, DateTime.Now);
return(null);
}
return(block);
}
public async Task <Transaction> GetTransaction(string id)
{
Transaction transaction;
try
{
transaction = await TransactionRepository.GetById(id);
if (transaction == null)
{
transaction = await BlockchainDataProvider.GetTransaction(id);
if (transaction == null)
{
return(null);
}
transaction.Block = await BlockService.GetBlock(transaction.Blockhash);
await TransactionRepository.Save(transaction);
foreach (var @in in transaction.TransactionIn)
{
if (@in.PrevTxIdPointer == null)
{
continue;
}
var inputTransaction = await BlockchainDataProvider.GetTransaction(@in.PrevTxIdPointer);
@in.PrevVOutFetchedValue = inputTransaction.TransactionsOut[@in.PrevVOutPointer].Value;
}
}
}
catch (Exception ex)
{
_log.LogError(ex.Message);
return(null);
}
return(transaction);
}
public async Task <Transaction> GetTransaction(string id)
{
Transaction transaction;
try
{
transaction = await TransactionRepository.GetById(id);
if (transaction == null)
{
transaction = await BlockchainDataProvider.GetTransaction(id);
if (transaction != null)
{
await BlockService.GetBlock(transaction.Blockhash);
foreach (var asset in transaction.Assets)
{
var assetExists = await AssetRepository.Exists(asset.Id);
if (!assetExists && !String.IsNullOrWhiteSpace(asset.MetadataUrl))
{
var assetData = await BlockchainDataProvider.GetMetadataContent(new Uri(asset.MetadataUrl));
await AssetRepository.Save(assetData);
}
}
await TransactionRepository.Save(transaction);
}
}
}
catch (Exception ex)
{
await Log.WriteError(this.GetType().ToString(), "GetTransaction", $"transaction_id:{id}", ex, DateTime.Now);
return(null);
}
return(transaction);
}
public async Task <Address> GetAddress(string id)
{
Address address;
try
{
address = await BlockchainDataProvider.GetAddress(id);
if (address != null)
{
await AddressRepository.UpdateAddress(address);
}
}
catch (Exception ex)
{
_log.LogError(ex.Message);
return(null);
}
return(address);
}
public async Task <AssetOwners> GetAssetOwners(string id)
{
AssetOwners assetOwner;
try
{
var lastBlock = await BlockchainDataProvider.GetLastBlock();
assetOwner = await AssetRepository.GetAssetOwners(id);
assetOwner.BlockHeight = lastBlock.Height;
}
catch (Exception ex)
{
await Log.WriteError(this.GetType().ToString(), "GetAssetOwners", $"asset_id{id}", ex, DateTime.Now);
return(null);
}
return(assetOwner);
}
public async Task <Address> GetAddress(string id)
{
Address address;
try
{
address = await BlockchainDataProvider.GetAddress(id);
if (address != null)
{
await AddressRepository.UpdateAddress(address);
}
}
catch (Exception ex)
{
await Log.WriteError(this.GetType().ToString(), "GetAddress", $"address_id:{id}", ex, DateTime.Now);
return(null);
}
return(address);
}
public async Task <Asset> GetAsset(string id)
{
Asset asset;
try
{
asset = await AssetRepository.GetById(id);
if (asset == null)
{
asset = await BlockchainDataProvider.GetAsset(id);
await AssetRepository.Save(asset);
}
}
catch (Exception ex)
{
await Log.WriteError(this.GetType().ToString(), "GetAsset", $"asset_id:{id}", ex, DateTime.Now);
return(null);
}
return(asset);
}
