public async Task <TransferResult> ExecuteAsync(TransferCommand transferCommand)
{
BlockchainType blockchainType = await _assetSettingsService.GetNetworkAsync(transferCommand.AssetId);
IBlockchainApiClient blockchainClient = _blockchainClientProvider.Get(blockchainType);
BlockchainTransferCommand cmd = new BlockchainTransferCommand(transferCommand.AssetId);
string lykkeAssetId = transferCommand.AssetId.IsGuid()
? transferCommand.AssetId
: await _lykkeAssetsResolver.GetLykkeId(transferCommand.AssetId);
foreach (var transferCommandAmount in transferCommand.Amounts)
{
decimal balance = await blockchainClient.GetBalanceAsync(transferCommandAmount.Source, lykkeAssetId);
if (transferCommandAmount.Amount == null)
{
if (balance > 0)
{
cmd.Amounts.Add(new TransferAmount
{
Amount = balance,
Source = transferCommandAmount.Source,
Destination = transferCommandAmount.Destination
});
continue;
}
throw new InsufficientFundsException(transferCommandAmount.Source, transferCommand.AssetId);
}
if (transferCommandAmount.Amount > balance)
{
throw new InsufficientFundsException(transferCommandAmount.Source, transferCommand.AssetId);
}
cmd.Amounts.Add(transferCommandAmount);
}
BlockchainTransferResult blockchainTransferResult = await blockchainClient.TransferAsync(cmd);
ITransfer transfer = await _transferRepository.AddAsync(new Transfer
{
AssetId = transferCommand.AssetId,
Blockchain = blockchainTransferResult.Blockchain,
CreatedOn = DateTime.UtcNow,
Amounts = transferCommand.Amounts,
Transactions = Mapper.Map <IEnumerable <TransferTransaction> >(blockchainTransferResult.Transactions)
});
return(Mapper.Map <TransferResult>(transfer));
}
public async Task ValidateTransfer(string walletAddress, string assetId, decimal transferAmount)
{
assetId = assetId.IsGuid() ? assetId : await _lykkeAssetsResolver.GetLykkeId(assetId);
BlockchainType network = await _assetSettingsService.GetNetworkAsync(assetId);
IBlockchainApiClient blockchainApiClient = _blockchainClientProvider.Get(network);
decimal balance = await blockchainApiClient.GetBalanceAsync(walletAddress, assetId);
if (balance < transferAmount)
{
throw new InsufficientFundsException(walletAddress, assetId);
}
}
public async Task <string> GetBalance(string address)
{
var balance = await _blockchainApiClient.GetBalanceAsync(address);
return(balance.ToString(CultureInfo.InvariantCulture));
}