Phase 2: mixer (Web3 tab in the network, terminal page, sanctions, night return), unlock registration per upgrade

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Decentralized/TerminalWindow.cs

@@ -13,7 +13,7 @@ namespace Decentralized
     public static class TerminalWindow
     {
         public const string Id = "pd_terminal";
-        private enum Page { Home, Bank, Poinbase, Web3, Report }
+        private enum Page { Home, Bank, Poinbase, Web3, Mixer, Report }
 
         private static Page _page = Page.Home;
         private static string _amount = "";
@@ -28,6 +28,7 @@ namespace Decentralized
             b.BeginRow();
             foreach (Page p in Enum.GetValues(typeof(Page)))
             {
+                if (p == Page.Mixer && !Unlock.MixerUnlocked) continue;
                 var page = p;
                 string name = L.T("tab." + p.ToString().ToLowerInvariant());
                 b.AddButton(page == _page ? $"[{name}]" : name, () => { _page = page; _message = null; Open(); });
@@ -41,6 +42,7 @@ namespace Decentralized
                 case Page.Bank: BankPage(b); break;
                 case Page.Poinbase: ExchangePage(b, Venue.Exchange); break;
                 case Page.Web3: Web3Page(b); break;
+                case Page.Mixer: MixerPage(b); break;
                 default: ReportPage(b); break;
             }
             b.End();
@@ -252,6 +254,72 @@ namespace Decentralized
             });
         }
 
+        private static string _mixAsset = Assets.PSC;
+        private static int _mixRounds = 2;
+        private static readonly float[] MixW = { 70f, 100f, 100f, 80f };
+
+        /// <summary>混币器：把币存进去，几轮之后提回同一个地址，污点降低，每轮扣手续费。</summary>
+        private static void MixerPage(CustomUIBuilder b)
+        {
+            var d = Session.Data;
+            var w = d.Hot;
+            int day = StoreStation.GetDayCounter();
+            Columns(b, l =>
+            {
+                l.AddHeader(L.T("mixer.h"));
+                l.AddLabel(d.Mixer.Sanctioned(day) ? L.T("mixer.sanctioned", d.Mixer.SanctionedUntil - day + 1) : L.T("mixer.ok"));
+                if (w.Taint > 0.5) l.AddLabel(L.T("wallet.taint", Fmt.Credits(w.Taint)));
+                l.AddSeparator();
+                l.AddHeader(L.T("mixer.pending"));
+                if (d.Mixer.Pending.Count == 0) l.AddLabel(L.T("mixer.none"));
+                else
+                {
+                    TableHeader(l, MixW, L.T("col.asset"), L.T("col.amount"), L.T("mixer.col.taint"), L.T("mixer.col.ready"));
+                    foreach (var p in d.Mixer.Pending)
+                        TableRow(l, MixW, p.Asset, Fmt.Num(p.Amount), Fmt.Credits(p.Taint), L.T("mixer.day", p.ReadyDay));
+                }
+            }, r =>
+            {
+                r.AddHeader(L.T("mixer.deposit"));
+                foreach (var line in L.T("mixer.hint").Split('|')) r.AddLabel(line);
+                r.BeginRow();
+                foreach (var a in new[] { Assets.PSC, Assets.CRC, Assets.CRT, Assets.CRA })
+                {
+                    var asset = a;
+                    r.AddButton(asset == _mixAsset ? $"[{asset}]" : asset, () => { _mixAsset = asset; Open(); });
+                }
+                r.End();
+                r.AddLabel(L.T("mixer.balance", _mixAsset, Fmt.Num(w.Get(_mixAsset))));
+                AmountRow(r);
+                r.AddLabel(L.T("mixer.rounds"));
+                r.BeginRow();
+                for (int n = 1; n <= Tuning.MixerMaxRounds; n++)
+                {
+                    int rounds = n;
+                    r.AddButton(rounds == _mixRounds ? $"[{rounds}]" : rounds.ToString(), () => { _mixRounds = rounds; Open(); });
+                }
+                r.End();
+                if (double.TryParse((_amount ?? "").Trim(), NumberStyles.Float, CultureInfo.InvariantCulture, out double v) && v > 0)
+                {
+                    double rate = Mixer.RoundRate(v * Session.Price(_mixAsset));
+                    r.AddLabel(L.T("mixer.preview", Fmt.Num(v * Math.Pow(1 - Tuning.MixerFee, _mixRounds)), _mixAsset, (int)Math.Round((1 - Math.Pow(1 - rate, _mixRounds)) * 100), day + _mixRounds));
+                }
+                r.AddButton(L.T("mixer.go"), MixDeposit);
+            });
+        }
+
+        private static void MixDeposit()
+        {
+            if (!ReadAmount(out double v)) return;
+            var d = Session.Data;
+            int day = StoreStation.GetDayCounter();
+            if (d.Hot.Get(_mixAsset) + 1e-9 < v) { _message = L.T("msg.balance"); Open(); return; }
+            var dep = d.Mixer.Deposit(d.Hot, _mixAsset, v, _mixRounds, day, Session.Price);
+            _message = dep == null ? L.T("mixer.min", Tuning.MixerMin) : L.T("mixer.done", Fmt.Num(v), _mixAsset, dep.ReadyDay);
+            Session.Save();
+            Open();
+        }
+
         private static string AvgText(Wallet w, string asset) => w.AvgBuy(asset) is double a ? Fmt.Num(a) : L.T("avg.none");
 
         private static void ReportPage(CustomUIBuilder b)
@@ -299,7 +367,7 @@ namespace Decentralized
             if (!ReadAmount(out double v)) return;
             var d = Session.Data;
             if (d.Hot.Get(Assets.CRC) + 1e-9 < v) { _message = L.T("msg.balance"); Open(); return; }
-            var r = d.Exchange.Cashout(d.Hot, v, Session.Price, StoreStation.GetDayCounter(), Session.Rent(), false, d.Rng);
+            var r = d.Exchange.Cashout(d.Hot, v, Session.Price, StoreStation.GetDayCounter(), Session.Rent(), d.Mixer.RecentlyMixed(StoreStation.GetDayCounter()), d.Rng);
             int got = (int)Math.Floor(r.Received - r.Tax);
             ModHelper.AddCredit(got, true);
             _message = L.T("msg.cashout", got, Fmt.Credits(r.Tax));