feat(app): transaction detail overlay with full on-chain data
Double-clicking a history row opens an in-app overlay (same pattern as address/server/settings overlays) that shows all available data for a transaction. The overlay appears immediately with a spinner; data is fetched from the server in the background and rendered once ready. Backdrop tap and Esc close it; a pending fetch is cancelled. New Core type — TransactionInspector (Core/Wallet/): - FetchAsync() downloads the raw tx, all parent txs (parallel requests, one round-trip instead of N sequential), and the block header - Reconstructs inputs (amounts, addresses, is-mine), outputs, fee, virtual size, RBF flag, block timestamp, confirmations New App types: - TransactionDetails record: full parsed data (fee, net, I/O lists, counterparty addresses, coinbase detection…) - TransactionDetailsViewModel: pre-formats all strings in the current locale and unit (status, date, signed amounts, sat/vB rate…) - TxIoRow record: one row in the input/output tables - MineColorConverter: bool → brush (MediumSeaGreen for own addresses) ViewModel changes: - ShowTransactionDetailsAsync / CloseTransactionDetailsCommand - BuildTransactionDetailsAsync (also public for future RBF/CPFP use) - CancellationTokenSource so opening a new tx cancels the previous fetch - All server work runs on Task.Run to keep the UI thread free XAML: history rows get DoubleTapped handler, Hand cursor, hint label, txid now uses TextTrimming instead of SelectableTextBlock. i18n: 24 new tx.* / history.hint keys in all 6 languages.
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@@ -3,6 +3,7 @@ using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Avalonia.Media.Imaging;
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using Avalonia.Threading;
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@@ -345,6 +346,122 @@ public partial class MainWindowViewModel : ViewModelBase
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[RelayCommand]
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private void CloseAddressInfo() => AddressInfo = null;
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// ---- overlay dettaglio transazione ----
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/// <summary>Overlay dettaglio transazione aperto.</summary>
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[ObservableProperty]
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private bool isTxDetailsOpen;
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/// <summary>Caricamento dei dati in corso (mostra lo spinner nell'overlay).</summary>
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[ObservableProperty]
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private bool isTxDetailsLoading;
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/// <summary>Dati della transazione mostrata; null finché non sono pronti.</summary>
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[ObservableProperty]
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private TransactionDetailsViewModel? txDetails;
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private CancellationTokenSource? _txDetailsCts;
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/// <summary>
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/// Apre l'overlay dettaglio transazione: appare subito con lo spinner e i
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/// dati arrivano dal server in background. Overlay in-app (come indirizzo e
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/// impostazioni) per apertura/chiusura istantanee, senza una top-level window.
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/// </summary>
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public async Task ShowTransactionDetailsAsync(string txid)
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{
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if (_client is null || !_client.IsConnected)
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{
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StatusMessage = Loc.Tr("tx.needconnection");
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return;
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}
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_txDetailsCts?.Cancel();
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_txDetailsCts = new CancellationTokenSource();
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var ct = _txDetailsCts.Token;
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TxDetails = null;
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IsTxDetailsLoading = true;
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IsTxDetailsOpen = true;
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var details = await BuildTransactionDetailsAsync(txid, ct);
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// L'utente potrebbe aver chiuso l'overlay (o aperto un'altra tx) mentre
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// caricava: non sovrascrivere lo stato in quel caso.
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if (ct.IsCancellationRequested || !IsTxDetailsOpen)
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return;
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if (details is null)
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{
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IsTxDetailsOpen = false;
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IsTxDetailsLoading = false;
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return;
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}
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TxDetails = details;
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IsTxDetailsLoading = false;
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}
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[RelayCommand]
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private void CloseTransactionDetails()
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{
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_txDetailsCts?.Cancel();
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IsTxDetailsOpen = false;
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IsTxDetailsLoading = false;
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TxDetails = null;
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}
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/// <summary>
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/// Recupera dal server tutti i dati della transazione <paramref name="txid"/>
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/// (importi, fee, indirizzi, dimensioni, data) e li impacchetta per la
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/// finestra di dettaglio. Restituisce null se non c'è connessione o in errore.
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/// </summary>
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public async Task<TransactionDetailsViewModel?> BuildTransactionDetailsAsync(
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string txid, CancellationToken ct = default)
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{
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if (_client is null || !_client.IsConnected)
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{
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StatusMessage = Loc.Tr("tx.needconnection");
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return null;
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}
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if (_doc?.Cache is not { } cache)
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return null;
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// Snapshot dei dati sull'UI thread, poi tutto il lavoro (round-trip al
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// server + parsing delle transazioni) va su un thread pool: altrimenti i
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// continuation dei fetch riprendono sull'UI thread e bloccano la finestra
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// (spinner fermo, chiusura ritardata).
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var client = _client;
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var network = PalladiumNetworks.For(Net);
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var row = cache.History.FirstOrDefault(t => t.Txid == txid);
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var owned = cache.Addresses.Select(a => a.Address).ToHashSet();
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var tipHeight = cache.TipHeight;
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var height = row?.Height ?? 0;
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var delta = row?.DeltaSats ?? 0;
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var verified = row?.Verified ?? false;
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var transactions = _lastTransactions;
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var loc = _loc;
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var unit = _config.Unit;
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try
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{
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return await Task.Run(async () =>
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{
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var details = await TransactionInspector.FetchAsync(
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client, network, txid, tipHeight, height, owned, delta, verified, transactions, ct);
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return new TransactionDetailsViewModel(details, loc, unit);
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}, ct);
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}
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catch (OperationCanceledException)
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{
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return null;
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}
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catch (Exception ex)
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{
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StatusMessage = $"{Loc.Tr("msg.error")}: {ex.Message}";
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return null;
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}
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}
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// ---- rubrica contatti ----
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public ObservableCollection<ContactEntry> Contacts { get; } = [];
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@@ -0,0 +1,22 @@
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using System;
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using System.Globalization;
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using Avalonia;
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using Avalonia.Data.Converters;
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using Avalonia.Media;
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namespace PalladiumWallet.App.ViewModels;
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/// <summary>
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/// bool → pennello: gli indirizzi del wallet (input/output "nostri") sono
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/// evidenziati in verde, gli altri usano il colore di testo predefinito.
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/// </summary>
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public sealed class MineColorConverter : IValueConverter
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{
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public static readonly MineColorConverter Instance = new();
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public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) =>
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value is true ? Brushes.MediumSeaGreen : AvaloniaProperty.UnsetValue;
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public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) =>
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throw new NotSupportedException();
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}
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@@ -0,0 +1,112 @@
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using PalladiumWallet.App.Localization;
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using PalladiumWallet.Core.Wallet;
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namespace PalladiumWallet.App.ViewModels;
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/// <summary>Riga input/output per le tabelle della finestra di dettaglio.</summary>
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public sealed record TxIoRow(string Position, string Address, string Amount, bool IsMine);
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/// <summary>
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/// ViewModel della finestra di dettaglio transazione: prende un
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/// <see cref="TransactionDetails"/> (assemblato dal server) e ne ricava tutte
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/// le stringhe già formattate e localizzate per la vista. È di sola lettura.
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/// </summary>
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public sealed class TransactionDetailsViewModel
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{
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private readonly string _unit;
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public Loc Loc { get; }
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public TransactionDetailsViewModel(TransactionDetails d, Loc loc, string unit)
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{
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Loc = loc;
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_unit = unit;
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Txid = d.Txid;
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StatusText = BuildStatus(d, loc);
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DateText = d.BlockTime is { } t
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? t.ToLocalTime().ToString("dd/MM/yyyy HH:mm")
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: loc["tx.mempool"];
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var counterparties = d.CounterpartyAddresses;
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CounterpartyHeader = d.IsIncoming ? loc["tx.from"] : loc["tx.to"];
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CounterpartyText = counterparties.Count > 0
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? string.Join(Environment.NewLine, counterparties)
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: "—";
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// Debito (uscita verso terzi) o Credito (entrata netta sui nostri output).
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AmountHeader = d.IsIncoming ? loc["tx.credit"] : loc["tx.debit"];
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AmountText = d.IsIncoming
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? Signed(d.ReceivedSats)
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: Signed(-d.SentToOthersSats);
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FeeText = d.FeeSats is { } fee
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? (d.IsIncoming ? Abs(fee) : Signed(-fee))
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: "—";
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NetText = Signed(d.NetSats);
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TotalSizeText = $"{d.TotalSize} byte";
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VirtualSizeText = $"{d.VirtualSize} byte";
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FeeRateText = d.FeeRateSatPerVb is { } r
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? r.ToString("0.0", System.Globalization.CultureInfo.InvariantCulture) + " sat/vB"
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: "—";
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VersionText = d.Version.ToString();
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LockTimeText = d.LockTime.ToString();
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RbfText = loc[d.RbfSignaled ? "tx.yes" : "tx.no"];
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VerifiedText = d.Verified ? "✓ SPV" : "—";
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Inputs = new ObservableCollection<TxIoRow>(d.Inputs.Select((i, n) => new TxIoRow(
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i.IsCoinbase ? "coinbase" : $"{Shorten(i.PrevTxid)}:{i.PrevIndex}",
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i.Address ?? "—",
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i.AmountSats is { } a ? CoinAmount.FormatIn(a, unit) : "—",
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i.IsMine)));
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Outputs = new ObservableCollection<TxIoRow>(d.Outputs.Select(o => new TxIoRow(
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$"#{o.Index}",
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o.Address ?? $"({o.ScriptType})",
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CoinAmount.FormatIn(o.AmountSats, unit),
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o.IsMine)));
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}
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public string Txid { get; }
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public string StatusText { get; }
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public string DateText { get; }
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public string CounterpartyHeader { get; }
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public string CounterpartyText { get; }
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public string AmountHeader { get; }
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public string AmountText { get; }
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public string FeeText { get; }
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public string NetText { get; }
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public string TotalSizeText { get; }
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public string VirtualSizeText { get; }
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public string FeeRateText { get; }
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public string VersionText { get; }
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public string LockTimeText { get; }
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public string RbfText { get; }
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public string VerifiedText { get; }
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public ObservableCollection<TxIoRow> Inputs { get; }
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public ObservableCollection<TxIoRow> Outputs { get; }
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private static string BuildStatus(TransactionDetails d, Loc loc)
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{
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if (d.Confirmations <= 0)
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return loc["tx.status.mempool"];
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return $"{d.Confirmations} {loc["tx.status.confirmations"]} ({loc["tx.status.block"]} {d.Height})";
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}
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private string Signed(long sats)
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{
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var sign = sats > 0 ? "+" : sats < 0 ? "-" : "";
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return sign + CoinAmount.FormatIn(Math.Abs(sats), _unit);
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}
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private string Abs(long sats) => CoinAmount.FormatIn(Math.Abs(sats), _unit);
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private static string Shorten(string txid) =>
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txid.Length > 16 ? $"{txid[..8]}…{txid[^4..]}" : txid;
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}
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