public static async Task <GetBalancesResponse> GetBalances()
        {
            //Get nonce:
            TimeSpan t        = DateTime.UtcNow - new DateTime(1970, 1, 1);
            double   timeUnix = t.TotalSeconds;

            //Form request Uri:
            HttpRequestMessage mesg = new HttpRequestMessage()
            {
                RequestUri = new Uri("account/getbalances?apikey=" + API_KEY + "&nonce=" + timeUnix, UriKind.Relative),
                Method     = HttpMethod.Get
            };

            //Compute Signature and add to request header:
            string sign = GetSignature(new Uri(client.BaseAddress, mesg.RequestUri));

            mesg.Headers.Add("apisign", sign);

            //SendAsync request and await response object:
            GetBalancesResponse balancesResponse = null;
            HttpResponseMessage response         = await client.SendAsync(mesg);

            if (response.IsSuccessStatusCode)
            {
                balancesResponse = await response.Content.ReadAsAsync <GetBalancesResponse>();
            }

            return(balancesResponse);
        }
        private async Task <GetBalancesResponse> RefreshBalancesAsync()
        {
            using var activity = MyTelemetry.StartActivity("Load balance info");

            var data = await _restApi.GetBalancesAsync();

            if (data.Success)
            {
                _response = new GetBalancesResponse()
                {
                    Balances = data.Result.Select(e => new ExchangeBalance()
                    {
                        Symbol = e.Coin, Balance = e.Total, Free = e.Free
                    }).ToList()
                };
                _lastUpdate = DateTime.UtcNow;
            }
            else
            {
                throw new Exception($"Cannot get balance, error: {data.Error}");
            }

            _response.AddToActivityAsJsonTag("balance");

            _logger.LogDebug("Balance refreshed");

            return(_response);
        }
예제 #3
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        public void shouldGetBalances()
        {
            GetBalancesResponse res = iotaApi.GetBalances(new[] { TEST_ADDRESS_WITH_CHECKSUM }.ToList(), 100);

            Assert.IsNotNull(res.Balances);
            Assert.IsNotNull(res.Milestone);
            Assert.IsNotNull(res.MilestoneIndex);
        }
        public static List <WalletBalance> BittrexToWalletBalances(GetBalancesResponse response)
        {
            var walletBalances = new List <WalletBalance>();

            foreach (var wallet in response)
            {
                if (wallet.Balance > 0)
                {
                    var walletBalance = Mapper.Map <WalletBalance>(wallet);
                    walletBalance.Exchange = Constants.Bittrex;
                    walletBalances.Add(walletBalance);
                }
            }

            return(walletBalances);
        }
예제 #5
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        /// <summary>
        /// Gets the balances of the specified addresses and calculates the total balance till the threshold is reached.
        /// </summary>
        /// <param name="addresses">addresses</param>
        /// <param name="start">start index</param>
        /// <param name="threshold">the threshold </param>
        /// <returns>an Inputs object</returns>
        /// <exception cref="NotEnoughBalanceException">is thrown if threshold exceeds the sum of balance of the specified addresses</exception>
        private Inputs GetBalanceAndFormat(string[] addresses, int start, long threshold = 100)
        {
            GetBalancesResponse getBalancesResponse = GetBalances(addresses.ToList(), 100);

            List <long> balances = getBalancesResponse.Balances;

            Inputs inputs = new Inputs()
            {
                InputsList = new List <Input>(), TotalBalance = 0
            };

            bool threshholdReached = false;

            for (int i = 0; i < addresses.Length; i++)
            {
                if (balances[i] > 0)
                {
                    inputs.InputsList.Add(new Input()
                    {
                        Address  = addresses[i],
                        Balance  = balances[i],
                        KeyIndex = start + i
                    });

                    inputs.TotalBalance += balances[i];

                    if (inputs.TotalBalance >= threshold)
                    {
                        threshholdReached = true;
                        break;
                    }
                }
            }

            if (threshholdReached)
            {
                return(inputs);
            }

            throw new NotEnoughBalanceException();
        }
예제 #6
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        public GetBalancesResponse GetBalances(GetBalancesRequest request, IAuthContext authContext)
        {
            var balanceRepo = _unitOfWork.GetRepository <Balance>();
            var balances    = balanceRepo.GetList(x => x.AccountId.ToString() == request.AccountId);

            GetBalancesResponse response = new GetBalancesResponse();

            response.Items = new List <GetBalancesResponseItem>();

            foreach (Balance blc in balances)
            {
                response.Items.Add(new GetBalancesResponseItem()
                {
                    Amount      = blc.Amount,
                    BalanceType = BalanceType.GetInstance(blc.BalanceType).Text,
                    Currency    = CurrencyType.GetInstance(blc.CurrencyType).Text
                });
            }

            return(response);
        }
예제 #7
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        /// <summary>
        ///
        /// </summary>
        /// <param name="securitySum"></param>
        /// <param name="inputAddress"></param>
        /// <param name="remainderAddress"></param>
        /// <param name="transfers"></param>
        /// <param name="testMode"></param>
        /// <returns></returns>
        public List <Transaction> InitiateTransfer(
            int securitySum, string inputAddress, string remainderAddress,
            List <Transfer> transfers, bool testMode)
        {
            // validate input address
            if (!InputValidator.IsAddress(inputAddress))
            {
                throw new ArgumentException("Invalid addresses provided.");
            }

            // validate remainder address
            if (remainderAddress != null && !InputValidator.IsAddress(remainderAddress))
            {
                throw new ArgumentException("Invalid addresses provided.");
            }

            // Input validation of transfers object
            if (!InputValidator.IsTransfersCollectionValid(transfers))
            {
                throw new ArgumentException("Invalid transfers provided.");
            }

            // Create a new bundle
            Bundle bundle = new Bundle();

            long          totalValue         = 0;
            List <String> signatureFragments = new List <string>();
            String        tag = "";

            //

            //  Iterate over all transfers, get totalValue
            //  and prepare the signatureFragments, message and tag
            foreach (Transfer transfer in transfers)
            {
                // remove the checksum of the address if provided
                if (transfer.Address.IsValidChecksum())
                {
                    transfer.Address = transfer.Address.RemoveChecksum();
                }

                int signatureMessageLength = 1;

                // If message longer than 2187 trytes, increase signatureMessageLength (add next transaction)
                if (transfer.Message.Length > Constants.MessageLength)
                {
                    // Get total length, message / maxLength (2187 trytes)
                    signatureMessageLength += (int)Math.Floor((double)transfer.Message.Length / Constants.MessageLength);

                    String msgCopy = transfer.Message;

                    // While there is still a message, copy it

                    while (!string.IsNullOrEmpty(msgCopy))
                    {
                        string fragment = msgCopy.Substring(0, Constants.MessageLength);
                        msgCopy = msgCopy.Substring(Constants.MessageLength, msgCopy.Length - Constants.MessageLength);

                        // Pad remainder of fragment
                        fragment = fragment.PadRight(Constants.MessageLength, '9');


                        signatureFragments.Add(fragment);
                    }
                }
                else
                {
                    // Else, get single fragment with 2187 of 9's trytes
                    String fragment = transfer.Message;

                    if (transfer.Message.Length < Constants.MessageLength)
                    {
                        fragment = fragment.PadRight(Constants.MessageLength, '9');
                    }

                    signatureFragments.Add(fragment);
                }

                tag = transfer.Tag;

                // pad for required 27 tryte length
                if (transfer.Tag.Length < Constants.TagLength)
                {
                    tag = tag.PadRight(Constants.TagLength, '9');
                }

                // get current timestamp in seconds
                long timestamp = (long)Math.Floor(GetCurrentTimestampInSeconds());

                // Add first entry to the bundle
                bundle.AddEntry(signatureMessageLength, transfer.Address, transfer.Value, tag, timestamp);
                // Sum up total value
                totalValue += transfer.Value;
            }

            // Get inputs if we are sending tokens
            if (totalValue != 0)
            {
                GetBalancesResponse balancesResponse = GetBalances(new List <string> {
                    inputAddress
                }, 100);
                var balances = balancesResponse.Balances;

                long totalBalance = 0;

                foreach (var balance in balances)
                {
                    totalBalance += balance;
                }

                // get current timestamp in seconds
                long timestamp = (long)Math.Floor(GetCurrentTimestampInSeconds());

                // bypass the balance checks during unit testing
                if (testMode)
                {
                    totalBalance += 1000;
                }

                if (totalBalance > 0)
                {
                    long toSubtract = 0 - totalBalance;

                    // Add input as bundle entry
                    // Only a single entry, signatures will be added later
                    bundle.AddEntry(securitySum, inputAddress, toSubtract, tag, timestamp);
                }
                // Return not enough balance error
                if (totalValue > totalBalance)
                {
                    throw new IllegalStateException("Not enough balance.");
                }

                // If there is a remainder value
                // Add extra output to send remaining funds to
                if (totalBalance > totalValue)
                {
                    long remainder = totalBalance - totalValue;

                    // Remainder bundle entry if necessary
                    if (remainderAddress == null)
                    {
                        throw new IllegalStateException("No remainder address defined.");
                    }

                    bundle.AddEntry(1, remainderAddress, remainder, tag, timestamp);
                }

                bundle.FinalizeBundle(new Curl(CurlMode.CurlP81));
                bundle.AddTrytes(signatureFragments);

                return(bundle.Transactions);
            }
            else
            {
                throw new System.Exception("Invalid value transfer: the transfer does not require a signature.");
            }
        }
예제 #8
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        /// <summary>
        /// Main purpose of this function is to get an array of transfer objects as input, and then prepare the transfer by generating the correct bundle,
        /// as well as choosing and signing the inputs if necessary (if it's a value transfer). The output of this function is an array of the raw transaction data (trytes)
        /// </summary>
        /// <param name="seed">81-tryte encoded address of recipient</param>
        /// <param name="transfers">the transfers to prepare</param>
        /// <param name="inputs">Optional (default null). The inputs</param>
        /// <param name="remainderAddress">Optional (default null). if defined, this address will be used for sending the remainder value (of the inputs) to.</param>
        /// <returns>a list containing the trytes of the new bundle</returns>
        public List <string> PrepareTransfers(string seed, Transfer[] transfers, List <Input> inputs = null,
                                              string remainderAddress = null)
        {
            InputValidator.CheckTransferArray(transfers);

            // Create a new bundle
            Bundle        bundle             = new Bundle();
            List <string> signatureFragments = new List <string>();
            long          totalValue         = 0;
            string        tag = "";

            //
            //  Iterate over all transfers, get totalValue
            //  and prepare the signatureFragments, message and tag
            //
            for (int i = 0; i < transfers.Length; i++)
            {
                int signatureMessageLength = 1;

                // If message longer than 2187 trytes, increase signatureMessageLength (add 2nd transaction)
                if (transfers[i].Message.Length > 2187)
                {
                    // Get total length, message / maxLength (2187 trytes)
                    signatureMessageLength += (int)Math.Floor(((double)transfers[i].Message.Length / 2187));

                    var msgCopy = transfers[i].Message;

                    // While there is still a message, copy it
                    while (msgCopy != null)
                    {
                        var fragment = msgCopy.Substring(0, 2187 > msgCopy.Length ? msgCopy.Length : 2187);
                        msgCopy = msgCopy.Substring(2187, msgCopy.Length - 2187);

                        // Pad remainder of fragment
                        for (var j = 0; fragment.Length < 2187; j++)
                        {
                            fragment += '9';
                        }

                        signatureFragments.Add(fragment);
                    }
                }
                else
                {
                    // Else, get single fragment with 2187 of 9's trytes
                    string fragment = "";

                    if (transfers[i].Message != null)
                    {
                        fragment = transfers[i].Message.Substring(0,
                                                                  transfers[i].Message.Length < 2187 ? transfers[i].Message.Length : 2187);
                    }

                    for (var j = 0; fragment.Length < 2187; j++)
                    {
                        fragment += '9';
                    }

                    signatureFragments.Add(fragment);
                }

                // get current timestamp in seconds
                long timestamp = IotaApiUtils.CreateTimeStampNow();

                // If no tag defined, get 27 tryte tag.
                tag = transfers[i].Tag != null ? transfers[i].Tag : "999999999999999999999999999";

                // Pad for required 27 tryte length
                for (var j = 0; tag.Length < 27; j++)
                {
                    tag += '9';
                }

                // Add first entries to the bundle
                // Slice the address in case the user provided a checksummed one
                bundle.AddEntry(signatureMessageLength, transfers[i].Address, transfers[i].Value, tag, timestamp);
                // Sum up total value
                totalValue += transfers[i].Value;
            }

            // Get inputs if we are sending tokens
            if (totalValue != 0)
            {
                //  Case 1: user provided inputs
                //
                //  Validate the inputs by calling getBalances
                if (inputs != null && inputs.Count > 0)
                {
                    // Get list if addresses of the provided inputs
                    List <string> inputAddresses = new List <string>();
                    foreach (var input in inputs)
                    {
                        inputAddresses.Add(input.Address);
                    }

                    GetBalancesResponse balances = GetBalances(inputAddresses, 100);

                    List <Input> confirmedInputs = new List <Input>();

                    long totalBalance = 0;
                    for (var i = 0; i < balances.Balances.Count; i++)
                    {
                        var thisBalance = balances.Balances[i];
                        totalBalance += thisBalance;

                        // If input has balance, add it to confirmedInputs
                        if (thisBalance > 0)
                        {
                            var inputEl = inputs[i];
                            inputEl.Balance = thisBalance;

                            confirmedInputs.Add(inputEl);
                        }
                    }

                    // Return not enough balance error
                    if (totalValue > totalBalance)
                    {
                        throw new NotEnoughBalanceException(totalValue);
                    }

                    return(AddRemainder(seed, confirmedInputs, bundle, tag, totalValue, remainderAddress,
                                        signatureFragments));
                }

                //  Case 2: Get inputs deterministically
                //
                //  If no inputs provided, derive the addresses from the seed and
                //  confirm that the inputs exceed the threshold
                else
                {
                    List <Input> inputList = GetInputs(seed, 0, 0, (int)totalValue).InputsList;
                    return(AddRemainder(seed, inputList, bundle, tag, totalValue, remainderAddress, signatureFragments));
                }
            }
            else
            {
                // If no input required, don't sign and simply finalize the bundle
                bundle.FinalizeBundle(curl);
                bundle.AddTrytes(signatureFragments);

                List <String> bundleTrytes = new List <string>();
                bundle.Transactions.ForEach(tx => bundleTrytes.Add(tx.ToTransactionTrytes()));

                bundleTrytes.Reverse();
                return(bundleTrytes);
            }
        }
예제 #9
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        public ActionResult <GetBalancesResponse> GetBalances([FromQuery] GetBalancesRequest request)
        {
            GetBalancesResponse response = _accountDataService.GetBalances(request, _authContext);

            return(Ok(response));
        }
예제 #10
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        /// <summary>
        ///
        /// </summary>
        /// <param name="seed"></param>
        /// <param name="security"></param>
        /// <param name="start"></param>
        /// <param name="end"></param>
        /// <param name="threshold"></param>
        /// <param name="tips"></param>
        /// <returns></returns>
        public GetBalancesAndFormatResponse GetInputs(string seed, int security, int start, int end, long threshold,
                                                      params string[] tips)
        {
            // validate the seed
            if (!InputValidator.IsValidSeed(seed))
            {
                throw new IllegalStateException(Constants.INVALID_SEED_INPUT_ERROR);
            }

            seed = InputValidator.PadSeedIfNecessary(seed);

            if (!InputValidator.IsValidSecurityLevel(security))
            {
                throw new ArgumentException(Constants.INVALID_SECURITY_LEVEL_INPUT_ERROR);
            }

            // If start value bigger than end, return error
            if (start > end)
            {
                throw new ArgumentException("start must be smaller than end", nameof(start));
            }

            // or if difference between end and start is bigger than 500 keys
            if (end - start > 500)
            {
                throw new ArgumentException("total number of keys exceeded 500");
            }


            Stopwatch stopwatch = Stopwatch.StartNew();

            //  Case 1: start and end
            //
            //  If start and end is defined by the user, simply iterate through the keys
            //  and call getBalances
            if (end != 0)
            {
                var allAddresses = new string[end - start];

                for (var i = start; i < end; i++)
                {
                    var address = IotaApiUtils.NewAddress(seed, security, i, true,
                                                          SpongeFactory.Create(SpongeFactory.Mode.KERL));
                    allAddresses[i] = address;
                }

                return(GetBalanceAndFormat(allAddresses, tips, threshold, start, security, stopwatch));
            }

            {
                //  Case 2: iterate till threshold
                //
                //  Either start from index: 0 or start (if defined) until threshold is reached.
                List <Input> allInputs = new List <Input>();

                bool thresholdReached = true;
                long currentTotal     = 0;

                for (int i = start; thresholdReached; i++)
                {
                    string address = IotaApiUtils.NewAddress(seed, security, i, true,
                                                             SpongeFactory.Create(SpongeFactory.Mode.KERL));

                    // Received input, this epoch or previous
                    GetBalancesResponse response =
                        IotaClient.GetBalances(100, new List <string>()
                    {
                        address
                    }, tips.ToList());
                    var balance = response.Balances[0];

                    if (balance > 0)
                    {
                        // Is it already spent from?
                        WereAddressesSpentFromResponse wasSpent = IotaClient.WereAddressesSpentFrom(address);
                        if (wasSpent.States.Length > 0 && !wasSpent.States[0])
                        {
                            // We can use this!
                            allInputs.Add(new Input
                            {
                                Address = address, Balance = balance, KeyIndex = i, Security = security
                            });
                            currentTotal += balance;

                            if (threshold != 0 && threshold <= currentTotal)
                            {
                                // Stop because we found threshold
                                thresholdReached = false;
                            }
                        }
                    }
                    else
                    {
                        // Check if there was any activity at all
                        FindTransactionsResponse tx = IotaClient.FindTransactionsByAddresses(address);
                        if (tx.Hashes.Count == 0 || i - start > 500)
                        {
                            // Stop because we reached our limit or no activity
                            thresholdReached = false;
                        }
                    }
                }

                stopwatch.Stop();
                return(new GetBalancesAndFormatResponse(allInputs, currentTotal, stopwatch.ElapsedMilliseconds));
            }
        }