Esempio n. 1
0
        /// <summary>
        /// Attaches the specified transactions (trytes) to the Tangle by doing Proof of Work.
        /// You need to supply branchTransaction as well as trunkTransaction
        /// (basically the tips which you're going to validate and reference with this transaction)
        ///  - both of which you'll get through the getTransactionsToApprove API call.
        /// </summary>
        /// <param name="trunkTransaction">Trunk transaction to approve.</param>
        /// <param name="branchTransaction">Branch transaction to approve.</param>
        /// <param name="trytes">List of trytes (raw transaction data) to attach to the tangle.</param>
        /// <param name="minWeightMagnitude">Proof of Work intensity. Minimum value is 18</param>
        /// <returns>The returned value contains a different set of tryte values which you can input into broadcastTransactions and storeTransactions.
        /// The returned tryte value, the last 243 trytes basically consist of the: trunkTransaction + branchTransaction + nonce.
        /// These are valid trytes which are then accepted by the network.</returns>
        public AttachToTangleResponse AttachToTangle(string trunkTransaction, string branchTransaction,
                                                     string[] trytes, int minWeightMagnitude = 18)
        {
            if (!InputValidator.IsHash(trunkTransaction))
            {
                throw new ArgumentException("Invalid hashes provided.");
            }

            if (!InputValidator.IsHash(branchTransaction))
            {
                throw new ArgumentException("Invalid hashes provided.");
            }

            if (!InputValidator.IsArrayOfTrytes(trytes, 2673))
            {
                throw new ArgumentException("Invalid trytes provided.");
            }

            if (LocalPow != null)
            {
                var response = new AttachToTangleResponse
                {
                    Trytes = new List <string>()
                };

                string previousTransaction = null;
                foreach (var t in trytes)
                {
                    var txn = new Transaction(t)
                    {
                        TrunkTransaction  = previousTransaction ?? trunkTransaction,
                        BranchTransaction = previousTransaction == null ? branchTransaction : trunkTransaction
                    };

                    if (string.IsNullOrEmpty(txn.Tag) || txn.Tag.Matches("9*"))
                    {
                        txn.Tag = txn.ObsoleteTag;
                    }
                    txn.AttachmentTimestamp           = IotaApiUtils.CreateTimeStampNow();
                    txn.AttachmentTimestampLowerBound = 0;
                    txn.AttachmentTimestampUpperBound = 3_812_798_742_493L;

                    var resultTrytes = LocalPow.PerformPoW(txn.ToTransactionTrytes(), minWeightMagnitude);

                    previousTransaction = new Transaction(resultTrytes).Hash;

                    response.Trytes.Add(resultTrytes);
                }

                return(response);
            }

            AttachToTangleRequest attachToTangleRequest = new AttachToTangleRequest(trunkTransaction, branchTransaction,
                                                                                    trytes, minWeightMagnitude);

            return(_genericIotaCoreApi.Request <AttachToTangleRequest, AttachToTangleResponse>(attachToTangleRequest));
        }
Esempio n. 2
0
        /// <summary>
        /// Attaches the specified transactions (trytes) to the Tangle by doing Proof of Work.
        /// You need to supply branchTransaction as well as trunkTransaction
        /// (basically the tips which you're going to validate and reference with this transaction)
        ///  - both of which you'll get through the getTransactionsToApprove API call.
        /// </summary>
        /// <param name="trunkTransaction">Trunk transaction to approve.</param>
        /// <param name="branchTransaction">Branch transaction to approve.</param>
        /// <param name="trytes">List of trytes (raw transaction data) to attach to the tangle.</param>
        /// <param name="minWeightMagnitude">Proof of Work intensity. Minimum value is 18</param>
        /// <returns>The returned value contains a different set of tryte values which you can input into broadcastTransactions and storeTransactions.
        /// The returned tryte value, the last 243 trytes basically consist of the: trunkTransaction + branchTransaction + nonce.
        /// These are valid trytes which are then accepted by the network.</returns>
        public AttachToTangleResponse AttachToTangle(string trunkTransaction, string branchTransaction,
                                                     string[] trytes, int minWeightMagnitude = 18)
        {
            InputValidator.CheckIfArrayOfTrytes(trytes);

            AttachToTangleRequest attachToTangleRequest = new AttachToTangleRequest(trunkTransaction, branchTransaction,
                                                                                    trytes, minWeightMagnitude);

            return(_genericIotaCoreApi.Request <AttachToTangleRequest, AttachToTangleResponse>(attachToTangleRequest));
        }