/// <summary>
        /// Creates a new wallet.
        /// </summary>
        /// <remarks>
        /// If it's the first time this wallet is created within this class, it is added to a collection for use by other tests.
        /// If the same parameters have already been used to create a wallet, the wallet will be retrieved from the internal collection and a copy of this wallet will be returned.
        /// </remarks>
        /// <param name="name">The name.</param>
        /// <param name="password">The password.</param>
        /// <returns></returns>
        public Stratis.Bitcoin.Features.Wallet.Wallet GenerateBlankWallet(string name, string password)
        {
            if (this.walletsGenerated.TryGetValue((name, password), out Stratis.Bitcoin.Features.Wallet.Wallet existingWallet))
            {
                string serializedExistingWallet = JsonConvert.SerializeObject(existingWallet, Formatting.None);
                return(JsonConvert.DeserializeObject <Stratis.Bitcoin.Features.Wallet.Wallet>(serializedExistingWallet));
            }

            Stratis.Bitcoin.Features.Wallet.Wallet newWallet = WalletTestsHelpers.GenerateBlankWallet(name, password);
            this.walletsGenerated.Add((name, password), newWallet);

            string serializedNewWallet = JsonConvert.SerializeObject(newWallet, Formatting.None);

            return(JsonConvert.DeserializeObject <Stratis.Bitcoin.Features.Wallet.Wallet>(serializedNewWallet));
        }
 public WalletFixture()
 {
     this.walletsGenerated = new Dictionary <(string, string), Stratis.Bitcoin.Features.Wallet.Wallet>();
 }
Example #3
0
        public async Task <object> GetTransaction(string txid, bool include_watchonly = false)
        {
            if (!uint256.TryParse(txid, out uint256 trxid))
            {
                throw new ArgumentException(nameof(txid));
            }

            if (include_watchonly)
            {
                WalletHistoryModel history = await GetWatchOnlyTransactionAsync(trxid);

                if ((history?.AccountsHistoryModel?.FirstOrDefault()?.TransactionsHistory?.Count ?? 0) != 0)
                {
                    return(history);
                }
            }

            // First check the regular wallet accounts.
            WalletAccountReference accountReference = this.GetWalletAccountReference();

            Wallet    hdWallet  = this.walletManager.WalletRepository.GetWallet(accountReference.WalletName);
            HdAccount hdAccount = this.walletManager.WalletRepository.GetAccounts(hdWallet, accountReference.AccountName).First();

            IWalletAddressReadOnlyLookup addressLookup = this.walletManager.WalletRepository.GetWalletAddressLookup(accountReference.WalletName);

            bool IsChangeAddress(Script scriptPubKey)
            {
                return(addressLookup.Contains(scriptPubKey, out AddressIdentifier addressIdentifier) && addressIdentifier.AddressType == 1);
            }

            // Get the transaction from the wallet by looking into received and send transactions.
            List <TransactionData> receivedTransactions = this.walletManager.WalletRepository.GetTransactionOutputs(hdAccount, null, trxid, true)
                                                          .Where(td => !IsChangeAddress(td.ScriptPubKey)).ToList();
            List <TransactionData> sentTransactions = this.walletManager.WalletRepository.GetTransactionInputs(hdAccount, null, trxid, true).ToList();

            TransactionData firstReceivedTransaction = receivedTransactions.FirstOrDefault();
            TransactionData firstSendTransaction     = sentTransactions.FirstOrDefault();

            if (firstReceivedTransaction == null && firstSendTransaction == null)
            {
                throw new RPCServerException(RPCErrorCode.RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id.");
            }

            uint256         blockHash = null;
            int?            blockHeight, blockIndex;
            DateTimeOffset  transactionTime;
            SpendingDetails spendingDetails = firstSendTransaction?.SpendingDetails;

            if (firstReceivedTransaction != null)
            {
                blockHeight     = firstReceivedTransaction.BlockHeight;
                blockIndex      = firstReceivedTransaction.BlockIndex;
                blockHash       = firstReceivedTransaction.BlockHash;
                transactionTime = firstReceivedTransaction.CreationTime;
            }
            else
            {
                blockHeight     = spendingDetails.BlockHeight;
                blockIndex      = spendingDetails.BlockIndex;
                blockHash       = spendingDetails.BlockHash;
                transactionTime = spendingDetails.CreationTime;
            }

            // Get the block containing the transaction (if it has been confirmed).
            ChainedHeaderBlock chainedHeaderBlock = null;

            if (blockHash != null)
            {
                this.ConsensusManager.GetOrDownloadBlocks(new List <uint256> {
                    blockHash
                }, b => { chainedHeaderBlock = b; });
            }

            Block       block = null;
            Transaction transactionFromStore = null;

            if (chainedHeaderBlock != null)
            {
                block = chainedHeaderBlock.Block;
                if (block != null)
                {
                    if (blockIndex == null)
                    {
                        blockIndex = block.Transactions.FindIndex(t => t.GetHash() == trxid);
                    }

                    transactionFromStore = block.Transactions[(int)blockIndex];
                }
            }

            bool   isGenerated;
            string hex;

            if (transactionFromStore != null)
            {
                transactionTime = Utils.UnixTimeToDateTime(chainedHeaderBlock.ChainedHeader.Header.Time);
                isGenerated     = transactionFromStore.IsCoinBase || transactionFromStore.IsCoinStake;
                hex             = transactionFromStore.ToHex();
            }
            else
            {
                isGenerated = false;
                hex         = null; // TODO get from mempool
            }

            var model = new GetTransactionModel
            {
                Confirmations   = blockHeight != null ? this.ConsensusManager.Tip.Height - blockHeight.Value + 1 : 0,
                Isgenerated     = isGenerated ? true : (bool?)null,
                BlockHash       = blockHash,
                BlockIndex      = blockIndex,
                BlockTime       = block?.Header.BlockTime.ToUnixTimeSeconds(),
                TransactionId   = uint256.Parse(txid),
                TransactionTime = transactionTime.ToUnixTimeSeconds(),
                TimeReceived    = transactionTime.ToUnixTimeSeconds(),
                Details         = new List <GetTransactionDetailsModel>(),
                Hex             = hex
            };

            // Send transactions details.
            if (spendingDetails != null)
            {
                Money feeSent = Money.Zero;
                if (firstSendTransaction != null)
                {
                    // Get the change.
                    long change = spendingDetails.Change.Sum(o => o.Amount);

                    Money inputsAmount  = new Money(sentTransactions.Sum(i => i.Amount));
                    Money outputsAmount = new Money(spendingDetails.Payments.Sum(p => p.Amount) + change);

                    feeSent = inputsAmount - outputsAmount;
                }

                var details = spendingDetails.Payments
                              .GroupBy(detail => detail.DestinationAddress)
                              .Select(p => new GetTransactionDetailsModel()
                {
                    Address     = p.Key,
                    Category    = GetTransactionDetailsCategoryModel.Send,
                    OutputIndex = p.First().OutputIndex,
                    Amount      = 0 - p.Sum(detail => detail.Amount.ToDecimal(MoneyUnit.BTC)),
                    Fee         = -feeSent.ToDecimal(MoneyUnit.BTC)
                });

                model.Details.AddRange(details);
            }

            // Get the ColdStaking script template if available.
            Dictionary <string, ScriptTemplate> templates = this.walletManager.GetValidStakingTemplates();
            ScriptTemplate coldStakingTemplate            = templates.ContainsKey("ColdStaking") ? templates["ColdStaking"] : null;

            // Receive transactions details.
            IScriptAddressReader scriptAddressReader = this.FullNode.NodeService <IScriptAddressReader>();

            foreach (TransactionData trxInWallet in receivedTransactions)
            {
                // Skip the details if the script pub key is cold staking.
                // TODO: Verify if we actually need this any longer, after changing the internals to recognize account type
                if (coldStakingTemplate != null && coldStakingTemplate.CheckScriptPubKey(trxInWallet.ScriptPubKey))
                {
                    continue;
                }

                GetTransactionDetailsCategoryModel category;

                if (isGenerated)
                {
                    category = model.Confirmations > this.FullNode.Network.Consensus.CoinbaseMaturity ? GetTransactionDetailsCategoryModel.Generate : GetTransactionDetailsCategoryModel.Immature;
                }
                else
                {
                    category = GetTransactionDetailsCategoryModel.Receive;
                }

                string address = scriptAddressReader.GetAddressFromScriptPubKey(this.FullNode.Network, trxInWallet.ScriptPubKey);

                model.Details.Add(new GetTransactionDetailsModel
                {
                    Address     = address,
                    Category    = category,
                    Amount      = trxInWallet.Amount.ToDecimal(MoneyUnit.BTC),
                    OutputIndex = trxInWallet.Index
                });
            }

            model.Amount = model.Details.Sum(d => d.Amount);
            model.Fee    = model.Details.FirstOrDefault(d => d.Category == GetTransactionDetailsCategoryModel.Send)?.Fee;

            return(model);
        }