public async Task RefundWithdrawalFeeInMeAsync(WithdrawalEntity withdrawalEntity)
{
withdrawalEntity.FeeRefundTransactionId =
OperationIdGenerator.GenerateOperationId("fee_refund", withdrawalEntity.TransactionId);
var fees = _assetFeesClient.GetAssetFees(withdrawalEntity.BrokerId, withdrawalEntity.AssetSymbol,
OperationType.Withdrawal);
var changeBalanceResult = await _changeBalanceService.RefundBlockchainWithdrawalAsync(new RefundBlockchainWithdrawalGrpcRequest()
{
TransactionId = withdrawalEntity.FeeRefundTransactionId,
ClientId = fees.AccountId,
WalletId = withdrawalEntity.WalletId,
Amount = withdrawalEntity.FeeAmount,
AssetSymbol = withdrawalEntity.FeeAssetSymbol,
Comment = $"Fee refund for transaction: {withdrawalEntity.TransactionId}",
BrokerId = withdrawalEntity.BrokerId,
Integration = withdrawalEntity.Integration,
Txid = $"Internal fee refund {withdrawalEntity.Id}"
});
if (changeBalanceResult.ErrorCode == ChangeBalanceGrpcResponse.ErrorCodeEnum.LowBalance ||
changeBalanceResult.ErrorCode == ChangeBalanceGrpcResponse.ErrorCodeEnum.WalletDoNotFound)
{
withdrawalEntity.MeErrorCode = GetErrorCode(BitgoErrorType.ErrorCode.LowBalance);
throw new Exception($"Cannot execute fee refund in ME: changeBalanceResult.ErrorMessage");
}
if (changeBalanceResult.ErrorCode != ChangeBalanceGrpcResponse.ErrorCodeEnum.Ok &&
changeBalanceResult.ErrorCode != ChangeBalanceGrpcResponse.ErrorCodeEnum.Duplicate)
{
withdrawalEntity.MeErrorCode = GetErrorCode(BitgoErrorType.ErrorCode.InternalError);
throw new Exception($"Cannot execute fee refund in ME: changeBalanceResult.ErrorMessage");
}
}
public async Task RefundWithdrawalInMeAsync(WithdrawalEntity withdrawalEntity)
{
withdrawalEntity.RefundTransactionId =
OperationIdGenerator.GenerateOperationId("refund", withdrawalEntity.TransactionId);
var changeBalanceResult = await _changeBalanceService.RefundBlockchainWithdrawalAsync(
new RefundBlockchainWithdrawalGrpcRequest(
withdrawalEntity.RefundTransactionId,
withdrawalEntity.ClientId,
withdrawalEntity.WalletId,
withdrawalEntity.Amount,
withdrawalEntity.AssetSymbol,
$"Refund for transaction: {withdrawalEntity.TransactionId}",
withdrawalEntity.BrokerId,
withdrawalEntity.Integration,
$"Internal refund {withdrawalEntity.Id}"
));
if (changeBalanceResult.ErrorCode == ChangeBalanceGrpcResponse.ErrorCodeEnum.LowBalance ||
changeBalanceResult.ErrorCode == ChangeBalanceGrpcResponse.ErrorCodeEnum.WalletDoNotFound)
{
withdrawalEntity.MeErrorCode = GetErrorCode(BitgoErrorType.ErrorCode.LowBalance);
throw new Exception($"Cannot execute deposit refund in ME: changeBalanceResult.ErrorMessage");
}
if (changeBalanceResult.ErrorCode != ChangeBalanceGrpcResponse.ErrorCodeEnum.Ok &&
changeBalanceResult.ErrorCode != ChangeBalanceGrpcResponse.ErrorCodeEnum.Duplicate)
{
withdrawalEntity.MeErrorCode = GetErrorCode(BitgoErrorType.ErrorCode.InternalError);
throw new Exception($"Cannot execute deposit refund in ME: changeBalanceResult.ErrorMessage");
}
if (withdrawalEntity.AssetSymbol != withdrawalEntity.FeeAssetSymbol)
{
await RefundWithdrawalFeeInMeAsync(withdrawalEntity);
}
withdrawalEntity.Status = WithdrawalStatus.Cancelled;
}
public async Task <CryptoWithdrawalResponse> CryptoWithdrawalAsync(CryptoWithdrawalRequest request)
{
_logger.LogDebug("Receive CryptoWithdrawalRequest: {jsonText}", JsonConvert.SerializeObject(request));
request.WalletId.AddToActivityAsTag("walletId");
request.ClientId.AddToActivityAsTag("clientId");
request.BrokerId.AddToActivityAsTag("brokerId");
request.ToAddress.AddToActivityAsTag("blockchain-address");
try
{
var feeAmount = 0m;
string feeAsset = null;
string comment = null;
string integration = null;
string destinationWallet = null;
string destinationClient = null;
var requestId = request.RequestId ?? Guid.NewGuid().ToString("N");
var transactionId = OperationIdGenerator.GenerateOperationId(requestId, request.WalletId);
var addressInfoResponse = await _walletService.GetUserByAddressAsync(new Blockchain.Wallets.Grpc.Models.UserWallets.GetUserByAddressRequest
{
Addresses = new Blockchain.Wallets.Grpc.Models.UserWallets.GetUserByAddressRequest.AddressAndTag[]
{
new Blockchain.Wallets.Grpc.Models.UserWallets.GetUserByAddressRequest.AddressAndTag
{
Address = request.ToAddress,
Tag = string.IsNullOrEmpty(request.ToTag) ? null : request.ToTag,
}
},
});
var assetIdentity = new AssetIdentity
{
BrokerId = request.BrokerId,
Symbol = request.AssetSymbol
};
var paymentSettings = _assetPaymentSettingsClient.GetAssetById(assetIdentity);
var isInternal = addressInfoResponse.Users != null && addressInfoResponse.Users.Any();
if (isInternal)
{
var existingAddress = addressInfoResponse.Users.First();
var clientIdResponse = await _clientWalletService.SearchClientsAsync(new SearchWalletsRequest()
{
SearchText = existingAddress.WalletId,
Take = 1
});
destinationClient = clientIdResponse.Clients.FirstOrDefault()?.ClientId;
destinationWallet = existingAddress.WalletId;
comment = $"Internal withdrawal [{request.AssetSymbol}:{request.Amount}:{request.WalletId}]";
integration = "Internal";
if (destinationClient == request.ClientId)
{
return(new CryptoWithdrawalResponse()
{
Error = new BitgoErrorType()
{
Code = BitgoErrorType.ErrorCode.AddressIsNotValid,
Message = "Cannot send fund to yourself"
}
});
}
}
else
{
if (paymentSettings?.Fireblocks?.IsEnabledWithdrawal == true)
{
comment = $"Fireblocks withdrawal [{request.AssetSymbol}:{request.Amount}:{request.WalletId}]";
integration = "Fireblocks";
}
else if (paymentSettings?.Circle?.IsEnabledBlockchainWithdrawal == true)
{
var isGuidValid = Guid.TryParse(request.RequestId, out _);
if (!isGuidValid)
{
return(new CryptoWithdrawalResponse()
{
Error = new BitgoErrorType()
{
Message =
$"RequestId should be Guid {request.RequestId}",
Code = BitgoErrorType.ErrorCode.InvalidRequestId
}
});
}
var circleAsset = _circleAssetMapper.AssetToCircleTokenAsset(request.BrokerId, request.AssetSymbol);
if (circleAsset == null)
{
_logger.LogInformation(
$"[CryptoWithdrawalRequest] Cannot found circle coin association for asset {request.AssetSymbol}, broker {request.BrokerId}");
return(new CryptoWithdrawalResponse()
{
Error = new BitgoErrorType()
{
Message =
$"Cannot found circle coin association for asset {request.AssetSymbol}, broker {request.BrokerId}",
Code = BitgoErrorType.ErrorCode.AssetIsNotFoundInCircle
}
});
}
var circleBlockchain =
_circleBlockchainMapper.BlockchainToCircleBlockchain(request.BrokerId, request.Blockchain);
if (circleBlockchain == null)
{
_logger.LogInformation(
$"[CryptoWithdrawalRequest] Cannot found circle blockchain association for blockchain {request.Blockchain}, broker {request.BrokerId}");
return(new CryptoWithdrawalResponse()
{
Error = new BitgoErrorType()
{
Message =
$"Cannot found circle blockchain association for blockchain {request.Blockchain}, broker {request.BrokerId}",
Code = BitgoErrorType.ErrorCode.BlockchainIsNotFoundInCircle
}
});
}
comment = $"Circle withdrawal [{request.AssetSymbol}:{request.Amount}:{request.WalletId}]";
integration = "Circle";
transactionId = requestId;
}
var fees = _assetFeesClient.GetAssetFees(request.BrokerId, request.AssetSymbol,
OperationType.Withdrawal);
if (fees != null)
{
feeAsset = fees.AssetId;
if (feeAsset == request.AssetSymbol)
{
feeAmount = fees.FeeSizeType == FeeSizeType.Absolute
? (decimal)fees.FeeSize
: (decimal)fees.FeeSize / 100 * request.Amount;
}
else
{
feeAmount = (decimal)fees.FeeSize;
}
}
}
await using var ctx = DatabaseContext.Create(_dbContextOptionsBuilder);
var withdrawalEntity = new WithdrawalEntity()
{
BrokerId = request.BrokerId,
ClientId = request.ClientId,
WalletId = request.WalletId,
TransactionId = transactionId,
Amount = request.Amount,
AssetSymbol = request.AssetSymbol,
Comment = comment,
Integration = integration,
Status = WithdrawalStatus.New,
EventDate = DateTime.UtcNow,
ToAddress = request.ToAddress,
ToTag = request.ToTag,
ClientIp = request.ClientIp,
ClientLang = request.ClientLang,
FeeAmount = feeAmount,
FeeAssetSymbol = feeAsset,
IsInternal = isInternal,
DestinationWalletId = destinationWallet,
DestinationClientId = destinationClient,
Blockchain = request.Blockchain,
Signature = request.Signature,
SignatureIssuedAt = request.SignatureIssuedAtUnixTime,
};
try
{
await ctx.AddAsync(withdrawalEntity);
await ctx.SaveChangesAsync();
}
catch (Exception)
{
var existingWithdrawal =
await ctx.Withdrawals.Where(t => t.TransactionId == transactionId).FirstAsync();
return(new CryptoWithdrawalResponse()
{
OperationId = existingWithdrawal.Id.ToString()
});
}
return(new CryptoWithdrawalResponse
{
OperationId = withdrawalEntity.Id.ToString()
});
}
catch (Exception ex)
{
ex.FailActivity();
_logger.LogError(ex, "Cannot handle CryptoWithdrawalRequest {jsonText}",
JsonConvert.SerializeObject(request));
return(new CryptoWithdrawalResponse()
{
Error = new BitgoErrorType()
{
Code = BitgoErrorType.ErrorCode.InternalError,
Message = ex.Message
}
});
}
}