Tranfer coins

gistfile1.txt

            var data = new Dictionary<string, object>()
            {
                { "walletPassphrase", _dataProtector.Unprotect(walletPassphrase) },
                { "address", destinationAddress },
                { "amount", satoshis }
            };

            if (fee != null)
            {
                data.Add("fee", fee);
            }

            if (!string.IsNullOrEmpty(message))
            {
                data.Add("message", message);
            }

            if (!string.IsNullOrEmpty(sequenceId))
            {
                data.Add("sequence", sequenceId);
            }

            var feeWallet = _feeWalletProvider.GetActiveFeeWallet();

            if(feeWallet == null)
            {
                throw new ServiceException("Active fee wallet is null.");
            }

            data.Add("feeSingleKeyWIF", _feeWalletProvider.Decrypt(feeWallet.PrivateKey));

            var requestContent = JsonConvert.SerializeObject(data);

            var response = await _httpClient.PostAsync($"wallet/{accountId}/sendcoins", new StringContent(requestContent, Encoding.UTF8, "application/json"));

            var content = await response.Content.ReadAsStringAsync();

            if (!response.IsSuccessStatusCode)
            {
                throw new Exception(content);
            }