public async Task <BlockchainTransferResult> TransferAsync(BlockchainTransferCommand transfer)
{
BlockchainTransferResult result = new BlockchainTransferResult {
Blockchain = BlockchainType.Ethereum
};
string lykkeAssetId = await _lykkeAssetsResolver.GetLykkeId(transfer.AssetId);
Asset asset = await _assetsLocalCache.GetAssetByIdAsync(lykkeAssetId);
if (asset.Type != AssetType.Erc20Token || !asset.IsTradable)
{
throw new AssetNotSupportedException(asset.Name);
}
ListOfErc20Token tokenSpecification =
await _assetsService.Erc20TokenGetBySpecificationAsync(new Erc20TokenSpecification { Ids = new[] { asset.Id } });
string tokenAddress = tokenSpecification?.Items.SingleOrDefault(x => x.AssetId == asset.Id)?.Address;
foreach (TransferAmount transferAmount in transfer.Amounts)
{
var transferRequest = Mapper.Map <TransferFromDepositRequest>(transferAmount,
opts => opts.Items["TokenAddress"] = tokenAddress);
object response = await _ethereumServiceClient.ApiLykkePayErc20depositsTransferPostAsync(
_ethereumSettings.ApiKey, transferRequest);
var errorMessage = string.Empty;
var operationId = string.Empty;
if (response is ApiException ex)
{
await _log.WriteWarningAsync(nameof(TransferAsync), transferAmount.ToJson(), ex.Error?.ToJson());
errorMessage = ex.Error?.Message;
}
else if (response is OperationIdResponse op)
{
operationId = op.OperationId;
}
else
{
throw new UnrecognizedApiResponse(response?.GetType().FullName ?? "Response object is null");
}
result.Transactions.Add(new BlockchainTransactionResult
{
Amount = transferAmount.Amount,
AssetId = asset.Name,
Hash = string.Empty,
IdentityType = TransactionIdentityType.Specific,
Identity = operationId,
Sources = new List <string> {
transferAmount.Source
},
Destinations = new List <string> {
transferAmount.Destination
},
Error = errorMessage
});
}
return(result);
}
public async Task <BlockchainTransferResult> TransferAsync(BlockchainTransferCommand transfer)
{
BlockchainTransferResult result = new BlockchainTransferResult {
Blockchain = BlockchainType.EthereumIata
};
string lykkeAssetId = await _lykkeAssetsResolver.GetLykkeId(transfer.AssetId);
Asset asset = await _assetsLocalCache.GetAssetByIdAsync(lykkeAssetId);
if (asset.Type != AssetType.Erc20Token)
{
throw new AssetNotSupportedException(asset.Name);
}
ListOfErc20Token tokenSpecification =
await _assetsService.Erc20TokenGetBySpecificationAsync(new Erc20TokenSpecification
{ Ids = new[] { asset.Id } });
string tokenAddress = tokenSpecification?.Items.SingleOrDefault(x => x.AssetId == asset.Id)?.Address;
foreach (TransferAmount transferAmount in transfer.Amounts)
{
var transferRequest = Mapper.Map <AirlinesTransferFromDepositRequest>(transferAmount,
opts =>
{
opts.Items["TokenAddress"] = tokenAddress;
opts.Items["AssetMultiplier"] = asset.MultiplierPower;
opts.Items["AssetAccuracy"] = asset.Accuracy;
});
object response = await _retryPolicy.ExecuteAsync(() => InvokeTransfer(transferRequest));
var ex = response as ApiException;
var operation = response as OperationIdResponse;
if (ex != null)
{
_log.Warning(ex.Error?.Message);
}
if (ex == null && operation == null)
{
throw new UnrecognizedApiResponse(response?.GetType().FullName ?? "Response object is null");
}
result.Transactions.Add(new BlockchainTransactionResult
{
Amount = transferAmount.Amount ?? 0,
AssetId = asset.DisplayId,
Hash = string.Empty,
IdentityType = TransactionIdentityType.Specific,
Identity = operation?.OperationId ?? string.Empty,
Sources = new List <string> {
transferAmount.Source
},
Destinations = new List <string> {
transferAmount.Destination
},
Error = ex?.Error?.Message ?? string.Empty,
ErrorType = ex.GetDomainError()
});
}
return(result);
}
