probably-decentralized/tests/Decentralized.Domain.Tests/Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Decentralized.Domain;

// 纯逻辑单元测试（不需要游戏）。每个 Test 是一个场景，失败时打印原因，最后返回非零退出码。
// 涉及数值的检查以离线经济模拟的结果为对照。
internal static class Program
{
    private static int _failed, _passed;

    private static double BlackMarketTestRug() => Tuning.BmRugBase * 3;

    private static void Check(bool ok, string what)
    {
        if (ok) _passed++;
        else { _failed++; Console.WriteLine("  ✗ " + what); }
    }

    private static void Test(string name, Action body)
    {
        Console.WriteLine("• " + name);
        try { body(); }
        catch (Exception ex) { _failed++; Console.WriteLine("  ✗ 异常: " + ex); }
    }

    private static bool Near(double a, double b, double tol) => Math.Abs(a - b) <= tol;

    private static int Main()
    {
        Test("随机数：同种子同序列；状态可复制后继续", () =>
        {
            var a = new Rng(42);
            var b = new Rng(42);
            Check(Enumerable.Range(0, 100).All(_ => a.NextUInt() == b.NextUInt()), "同种子序列相同");
            var c = new Rng { S0 = a.S0, S1 = a.S1, S2 = a.S2, S3 = a.S3 };
            Check(Enumerable.Range(0, 100).All(_ => a.NextDouble() == c.NextDouble()), "复制状态后序列相同（存档读档）");
            var r = new Rng(7);
            double mean = Enumerable.Range(0, 20000).Select(_ => r.NextDouble()).Average();
            Check(Near(mean, 0.5, 0.01), $"均匀分布均值约 0.5：{mean:0.000}");
            double g = Enumerable.Range(0, 20000).Select(_ => r.Gauss()).Select(x => x * x).Average();
            Check(Near(g, 1.0, 0.05), $"正态分布方差约 1：{g:0.000}");
        });

        Test("资产登记：Ponero 不可追踪、不上合规交易所；稳定币挂钩", () =>
        {
            Check(!Assets.Get(Assets.Ponero).Traceable && !Assets.Get(Assets.Ponero).Compliant, "Ponero");
            Check(Assets.Get(Assets.CRC).Stable && Assets.Get(Assets.CRC).Freezable, "CRC 可冻结");
            Check(Assets.Get(Assets.CRA).Stable && !Assets.Get(Assets.CRA).Freezable, "CRA 不可冻结");
            Assets.Register(new AssetSpec { Id = "NPC_TEST", Issued = true });
            Check(Assets.Get("NPC_TEST")?.Issued == true, "新增币种只是登记一条");
        });

        Test("交易对：恒定乘积、手续费、500 信用点约 2% 价格冲击", () =>
        {
            var pool = Pool.Create(Venue.Dex, Assets.PSC, Assets.CRC, 100, 50000, Tuning.DexFee);
            Check(Near(pool.Price, 100, 1e-9), "初始价格 100");
            double k = pool.BaseReserve * pool.QuoteReserve;
            Check(Near(pool.ImpactOfBuy(500), 0.02, 0.001), $"500 信用点买入的冲击约 2%：{pool.ImpactOfBuy(500):P2}");
            double got = pool.BuyBase(500);
            Check(got > 4.9 && got < 4.97, $"500 信用点买到约 4.93 PSC：{got:0.000}");
            Check(pool.BaseReserve * pool.QuoteReserve >= k, "手续费留在池里，k 不减少");
            double back = pool.SellBase(got);
            Check(back < 500 && back > 496, $"马上卖回只损失手续费：{back:0.00}");
        });

        Test("交易对：夜间向目标价回归 15%（对数空间）并重设深度", () =>
        {
            var pool = Pool.Create(Venue.Dex, Assets.PSC, Assets.CRC, 80, 50000, Tuning.DexFee);
            pool.Revert(100, Tuning.Revert, 60000);
            double expect = Math.Exp(Math.Log(80) + 0.15 * (Math.Log(100) - Math.Log(80)));
            Check(Near(pool.Price, expect, 1e-9), $"回归后价格 {pool.Price:0.00}，期望 {expect:0.00}");
            Check(Near(pool.QuoteReserve, 60000, 1e-9), "深度重设");
        });

        Test("地址：污点和成本按价值比例随币走；Ponero 换入时污点停止传播", () =>
        {
            Func<string, double> px = a => a == Assets.PSC ? 100 : 1;
            var a = new Wallet { Address = "A", Taint = 300, Basis = 1000 };
            a.Add(Assets.CRT, 1000);
            var b = new Wallet { Address = "B" };
            Wallet.Transfer(a, b, Assets.CRT, 250, px);
            Check(Near(b.Taint, 75, 1e-9) && Near(a.Taint, 225, 1e-9), $"转出 1/4，污点带走 1/4：{b.Taint}");
            Check(Near(b.Basis, 250, 1e-9), "成本带走 1/4");
            var c = new Wallet { Address = "C" };
            b.Add(Assets.Ponero, 10);
            Wallet.Transfer(b, c, Assets.Ponero, 10, px);
            Check(c.Taint == 0, "Ponero 转入的地址不带污点");
            bool threw = false;
            try { a.Add(Assets.CRT, -10000); } catch (InvalidOperationException) { threw = true; }
            Check(threw, "余额不足时拒绝");
        });

        Test("挖矿：开局 1 H 每晚约 26.9 信用点；减半在第 90 天", () =>
        {
            var net = new Network();
            double perH = net.Mine(1) * Tuning.PscStartPrice;
            Check(Near(perH, 26.9, 0.2), $"1 H 每晚约 26.9 信用点（抽成后）：{perH:0.00}");
            for (int d = 1; d <= 89; d++) net.Night(d, 100, 0);
            Check(net.Reward == Tuning.BlockReward, "第 89 天还没减半");
            net.Night(90, 100, 0);
            Check(net.Reward == Tuning.BlockReward / 2, "第 90 天减半");
        });

        Test("挖矿：NPC 算力在有利可图时扩张，币价低时关机", () =>
        {
            var up = new Network();
            up.Night(1, 100, 0);
            Check(up.NpcHash > Tuning.NpcHash0, $"币价 100：扩张到 {up.NpcHash:0.0}");
            var down = new Network();
            down.Night(1, 30, 0);
            Check(down.NpcHash < Tuning.NpcHash0 && down.NpcHash >= Tuning.NpcHash0 * 0.95, $"币价 30：关机，最多 −5%：{down.NpcHash:0.0}");
        });

        Test("显卡：型号、显示单位、健康度与算力衰减", () =>
        {
            Check(Hardware.Specs["RTX70"].DisplayHash == 50 && Hardware.Specs["RX80"].DisplayHash == 40, "RTX70 50 MH/s，RX80 40 MH/s");
            Check(Near(Hardware.Specs["M3"].DisplayHash, 3, 1e-9), "RatDigg M3 3 GH/s");
            var u = new Unit { Model = "RTX70" };
            Check(u.Hash(ModuleBonus.None) == 5, "满健康 5 H");
            u.Health = 25;
            Check(Near(u.Hash(ModuleBonus.None), 4.0, 1e-9), "健康 25：5 × (0.6 + 0.4 × 0.5) = 4 H");
            u.Health = 0;
            Check(Near(u.Hash(ModuleBonus.None), 3.0, 1e-9), "健康 0：60%");
            Check(Near(new Unit { Model = "RTX70" }.Hash(ModuleBonus.From(36, -44, 0)), 5 * 1.09, 1e-9), "一个超频模块（+36 性能）：算力 +9%");
            var fake = new Unit { Model = "RTX90", FakeOf = "RTX60" };
            Check(fake.Hash(ModuleBonus.None) == 1.0 && fake.Label.Model == "RTX90", "假卡标着 RTX90，算力按 RTX60");
            Check(Near(fake.DeathChance(ModuleBonus.None), new Unit { Model = "RTX90" }.DeathChance(ModuleBonus.None) * 2, 1e-12), "假卡暴毙率 ×2");
            var r = new Unit { Model = "RTX70", Health = 50 };
            Check(r.Refurbish() && r.Health == 80 && !r.Refurbish(), "翻新一次 +30，不能再翻新");
        });

        Test("显卡外观：5 个维度 243 种；真卡没有破绽类取值，假卡至少一处；老化随健康度；价值函数统一", () =>
        {
            var rng = new Rng(99);
            int n = 6000;
            int fakeNoSign = 0, realSign = 0, newWorn = 0, oldWorn = 0, fakeSigns = 0;
            var seen = new System.Collections.Generic.HashSet<string>();
            for (int i = 0; i < n; i++)
            {
                var real = CardLook.Generate(rng, 100, false);
                var oldReal = CardLook.Generate(rng, 20 + (i % 40), false);
                var fake = CardLook.Generate(rng, 20 + (i % 80), true);
                if (real.HasFakeSign || oldReal.HasFakeSign) realSign++;
                if (!fake.HasFakeSign) fakeNoSign++;
                fakeSigns += (fake.Print != 0 ? 1 : 0) + (fake.Serial != 0 ? 1 : 0);
                if (real.Fan > 0 || real.Fingers > 0) newWorn++;
                if (oldReal.Fan > 0 || oldReal.Fingers > 0) oldWorn++;
                seen.Add($"{fake.Fan}{fake.Fingers}{fake.Bracket}{fake.Print}{fake.Sticker}");
                seen.Add($"{oldReal.Fan}{oldReal.Fingers}{oldReal.Bracket}{oldReal.Print}{oldReal.Sticker}");
            }
            Check(realSign == 0, "真卡从不出现破绽类取值（丝印不对、序列号不合规）");
            Check(fakeNoSign > n * 0.1 && fakeNoSign < n * 0.3, $"假卡里一成多的骗子没动丝印和序列号（只剩供电与风扇这一处实物破绽）：{fakeNoSign / (double)n:P0}");
            Check(Near(fakeSigns / (double)n, 0.55 * 1 + 0.65 * 1, 0.1), $"假卡平均 1.2 处额外破绽（重印丝印、补贴序列号）：{fakeSigns / (double)n:0.00}");
            Check(oldWorn > newWorn * 1.8, $"低健康度的真卡明显更旧：{oldWorn / (double)n:P0} 对 {newWorn / (double)n:P0}");
            Check(seen.Count >= 60, $"抽样见到 {seen.Count} 种不同组合（上限 243）");
            Check(Hardware.Specs["RTX60"].Price == 220 && Hardware.Specs["RTX90"].Price == 5000 && Hardware.Specs["RX900"].Price == 4000, "价格已抬高到约 1.8 倍");
            var u = new Unit { Model = "RTX90", FakeOf = "RTX60", Health = 80 };
            Check(CardValue.True(u) == CardValue.Of("RTX60", 80) && CardValue.Of("RTX90", 80) > CardValue.True(u) * 8, "真实价值按芯片型号，标称型号的价远高于真值");
            var worn = new Unit { Model = "RTX70", Health = 100, Look = new CardLook { Fan = 2, Fingers = 2, Bracket = 1, Sticker = 2 } };
            Check(CardValue.True(worn) == (long)Math.Round(800 * (1 - 0.12 - 0.12 - 0.02 - 0.06)), "各标签折扣相加进真实价值：风扇缺角 + 金手指氧化 + 划痕 + 封条缺失");
            var clean = new Unit { Model = "RTX70", Health = 80 };
            var dusty = new Unit { Model = "RTX70", Health = 80, Look = new CardLook { Fan = 2, Fingers = 2 } };
            Check(dusty.DeathChance(ModuleBonus.None) > clean.DeathChance(ModuleBonus.None) * 1.5 && Near(CardLook.Decode("20000").WearFactor, 1.3, 1e-9), "风扇缺角、金手指氧化抬高暴毙概率与损耗");
            Check(CardValue.Of("RTX70", 100) == 800 && CardValue.Of("RTX70", 0) == 200 && CardValue.Of("RTX70", 50) == 500, "健康 100 满价、0 剩 25%、50 为 62.5%");
        });

        Test("矿架槽位：默认 2 个，投入电子元件逐个升级到最多 5 个；只收下一级需要的；形状随槽数变化", () =>
        {
            int slots = RigSlots.Base, prog = 0;
            Check(slots == 2 && RigSlots.Next(2) == ("common_electronic", 4), "默认 2 槽，升到第 3 槽要 4 个普通电子元件");
            Check(RigSlots.Insert(ref slots, ref prog, "rare_electronic", 1) == 0 && slots == 2 && prog == 0, "第 3 槽不收稀有元件");
            Check(RigSlots.Insert(ref slots, ref prog, "common_electronic", 3) == 3 && slots == 2 && prog == 3, "先投 3 个：进度 3/4");
            Check(RigSlots.Insert(ref slots, ref prog, "common_electronic", 3) == 1 && slots == 3 && prog == 0, "再投 3 个只收 1 个，解锁第 3 槽，多的 2 个退回");
            Check(RigSlots.Next(3) == ("rare_electronic", 1) && RigSlots.Insert(ref slots, ref prog, "rare_electronic", 5) == 1 && slots == 4, "第 4 槽：1 个稀有元件");
            Check(RigSlots.Next(4) == ("rare_electronic", 2) && RigSlots.Insert(ref slots, ref prog, "rare_electronic", 1) == 1 && slots == 4 && prog == 1, "第 5 槽：2 个稀有元件，先投 1 个进度 1/2");
            Check(RigSlots.Insert(ref slots, ref prog, "rare_electronic", 1) == 1 && slots == 5, "投满解锁第 5 槽");
            Check(RigSlots.Next(5) == null && RigSlots.Insert(ref slots, ref prog, "rare_electronic", 1) == 0, "满 5 槽后不再收");
            Check(RigSlots.Shape(2) == "000000" + "000000" + new string('1', 18) && RigSlots.Shape(5) == new string('0', 30) && RigSlots.Shape(3).Length == 30, "形状：宽 3、共 10 行，前 2 × 槽数行可放");
        });

        Test("模块：折算系数 4，算力 +20%、省电 25%、损耗 −30% 封顶；性能加成提高损耗与暴毙", () =>
        {
            var perf = ModuleBonus.From(16, 0, 0);
            Check(Near(perf.Hash, 1.04, 1e-9) && Near(perf.Wear, 1.04, 1e-9) && Near(perf.Death, 1.04, 1e-9), "一个性能模块（+16）：算力 +4%，损耗和暴毙 +4%");
            var cores = ModuleBonus.From(200 * 3, -100 * 3, 100 * 3);
            Check(Near(cores.Hash, 1.20, 1e-9), $"塞满神经核心，算力也只 +20%：{cores.Hash:0.00}");
            Check(Near(cores.Kj, 1.75, 1e-9), $"神经核心的负效率照常增加耗电：×{cores.Kj:0.00}");
            Check(Near(cores.Wear, 0.70 * 1.20, 1e-9), "品质封顶 −30%，再乘性能带来的 +20%");
            var eco = ModuleBonus.From(-16, 32 * 5, 0);
            Check(Near(eco.Kj, 0.75, 1e-9) && Near(eco.Hash, 0.96, 1e-9), "省电封顶 25%；节能模块的负性能照常降低算力");
            var none = ModuleBonus.From(0, 0, 0);
            Check(none.Hash == 1 && none.Kj == 1 && none.Wear == 1 && none.Death == 1, "没有模块时不变");
        });

        Test("显卡：累计暴毙概率与模拟器一致（第 50 / 100 / 150 天）", () =>
        {
            double[] Run(string model, ModuleBonus b, int n)
            {
                var rng = new Rng(2026);
                var deadBy = new int[3];
                for (int i = 0; i < n; i++)
                {
                    var u = new Unit { Model = model };
                    for (int d = 1; d <= 150; d++)
                    {
                        u.Night(b, rng);
                        if (u.Dead)
                        {
                            if (d <= 50) deadBy[0]++;
                            if (d <= 100) deadBy[1]++;
                            deadBy[2]++;
                            break;
                        }
                    }
                }
                return deadBy.Select(x => (double)x / n).ToArray();
            }
            var p = Run("RTX70", ModuleBonus.None, 20000);
            Check(Near(p[0], 0.11, 0.02) && Near(p[1], 0.53, 0.02) && Near(p[2], 0.84, 0.02),
                $"Probidia 11% / 53% / 84%：{p[0]:P0} / {p[1]:P0} / {p[2]:P0}");
            var q = Run("RX80", ModuleBonus.None, 20000);
            Check(Near(q[0], 0.20, 0.02) && Near(q[1], 0.76, 0.02) && Near(q[2], 0.95, 0.02),
                $"PMD 20% / 76% / 95%：{q[0]:P0} / {q[1]:P0} / {q[2]:P0}");
        });

        Test("市场：价格锚受停电、镇压影响；夜间向锚回归并限制在 0.3–3 倍", () =>
        {
            var m = Market.CreateDefault(1);
            var none = new MarketEvent[0];
            Check(Near(m.Anchor(none), 100, 1e-9) && Near(m.Anchor(new[] { MarketEvent.Blackout }), 110, 1e-9)
                  && Near(m.Anchor(new[] { MarketEvent.Crackdown }), 92, 1e-9), "锚：基准 100，停电 ×1.1，镇压 ×0.92");
            Check(Market.Volatility(new[] { MarketEvent.GangWar }) == Tuning.PscVol * 2, "火并时波动 ×2");
            m.Main.SetPrice(60, Tuning.PoolDepth(1));
            var rng = new Rng(5);
            double sum = 0;
            for (int i = 0; i < 400; i++)
            {
                var mm = Market.CreateDefault(1);
                mm.Main.SetPrice(60, Tuning.PoolDepth(1));
                mm.Night(none, new Rng((ulong)i), 1, a => 1);
                sum += Math.Log(mm.Price);
            }
            double expect = Math.Log(60) + 0.15 * (Math.Log(100) - Math.Log(60));
            Check(Near(sum / 400, expect, 0.01), $"从 60 起一晚平均回到 {Math.Exp(expect):0.0} 附近：{Math.Exp(sum / 400):0.0}");
            var hi = Market.CreateDefault(1);
            hi.Main.SetPrice(1000, Tuning.PoolDepth(1));
            hi.Night(none, rng, 1, a => 1);
            Check(hi.Price <= 300 + 1e-9, $"上限 3 倍：{hi.Price:0.0}");
        });

        Test("钱包：买入均价按买入记录算，卖出和转出按比例减少，挖出的币不计入", () =>
        {
            var w = new Wallet { Address = "x" };
            w.Add("PSC", 10);                       // 挖出的 10 个，无买入记录
            Check(w.AvgBuy("PSC") == null, "没有买入记录时没有均价");
            w.Add("PSC", 5); w.RecordBuy("PSC", 5, 400);
            w.Add("PSC", 5); w.RecordBuy("PSC", 5, 600);
            Check(Near(w.AvgBuy("PSC").Value, 100, 1e-9), "买 5 个花 400 + 买 5 个花 600：均价 100");
            w.Add("PSC", -10);                      // 卖掉一半（20 个里的 10 个）
            Check(Near(w.AvgBuy("PSC").Value, 100, 1e-9) && Near(w.BuyQty["PSC"], 5, 1e-9), "卖出后均价不变，买入记录按比例减少");
            w.Add("PSC", -10);
            Check(w.AvgBuy("PSC") == null, "清仓后记录清除");
        });

        Test("市场：减半抬高价格锚（随机幅度，逐日靠拢），减半前一周有预期行情", () =>
        {
            var m = new Market();
            Check(Near(m.SupplyTarget(10), 1.0, 1e-9), "减半前很远：目标因子 1");
            double before = m.SupplyTarget(89), start = m.SupplyTarget(83);
            Check(start > 1.0 && before > start && before <= 1 + Tuning.HalvingRamp + 1e-9, $"减半前 7 天逐日抬高，最多 +8%：{start:0.000} → {before:0.000}");
            double lo = 1e9, hi = 0;
            for (int seed = 1; seed <= 200; seed++)
            {
                var x = new Market(); x.OnHalving(new Rng((ulong)seed));
                lo = Math.Min(lo, x.HalvingLog); hi = Math.Max(hi, x.HalvingLog);
            }
            Check(lo >= Tuning.HalvingPassMin && hi <= Tuning.HalvingPassMax && hi - lo > 0.5, $"传导指数在区间内且确有变化：{lo:0.00}–{hi:0.00}");
            m.OnHalving(new Rng(7UL));
            double after = m.SupplyTarget(91);
            Check(Near(after, Math.Pow(2, m.HalvingLog), 1e-9), $"减半后目标因子 2^{m.HalvingLog:0.00} = {after:0.000}");
            var n = new Market { HalvingLog = m.HalvingLog };
            for (int i = 0; i < 7; i++) n.UpdateSupply(91 + i);
            Check(n.Supply > 1.0 && n.Supply < after, "逐晚靠拢目标，不一次跳到位");
            for (int i = 0; i < 40; i++) n.UpdateSupply(100 + i % 5);
            Check(Near(n.Supply, after, 0.02), "几十晚后基本到位");
            Check(n.Anchor(new MarketEvent[0]) > Tuning.PscStartPrice * 1.05, "锚随之上移");
        });

        Test("市场：其他交易对每晚被套利拉向参考价，三角价差收敛", () =>
        {
            var m = Market.CreateDefault(1);
            var crt = m.Find(Venue.Dex, Assets.PSC, Assets.CRT);
            crt.SetPrice(130, crt.QuoteReserve);
            for (int d = 1; d <= 5; d++) m.Night(new MarketEvent[0], new Rng((ulong)d), 1, a => 1);
            double gap = Math.Abs(crt.Price / m.Price - 1);
            Check(gap < 0.03, $"五晚后 PSC/CRT 与参考价相差 {gap:P1}");
            var crtCrc = m.Find(Venue.Dex, Assets.CRT, Assets.CRC);
            m.Night(new MarketEvent[0], new Rng(9), 1, a => a == Assets.CRT ? 0.9 : 1);
            Check(crtCrc.Price < 0.98, $"CRT 脱锚时 CRT/CRC 向 0.9 靠拢：{crtCrc.Price:0.000}");
        });

        Test("稳定币：CRC 脱锚与减记，CRT 脱锚与冻结概率", () =>
        {
            int depegs = 0, haircuts = 0;
            for (int i = 0; i < 2000; i++)
            {
                var s = new Stablecoins();
                var rng = new Rng((ulong)i);
                s.OnEventStart(MarketEvent.RevRaidUpper, 10, rng);
                if (s.Crc < 1)
                {
                    depegs++;
                    Check(s.Crc >= 0.88 && s.Crc <= 0.93 && s.CrcDepegEnd >= 12 && s.CrcDepegEnd <= 13, "CRC 脱锚深度与持续");
                    double f = 1;
                    for (int d = 10; d <= s.CrcDepegEnd; d++) f *= s.Night(d, rng, 0);
                    if (f < 1) haircuts++;
                    Check(s.Crc == 1, "到期恢复");
                }
            }
            Check(Near(depegs / 2000.0, 0.30, 0.03), $"革命军袭击上层时 30% 脱锚：{depegs / 2000.0:P0}");
            Check(Near(haircuts / (double)depegs, 0.15, 0.04), $"其中 15% 减记：{haircuts / (double)depegs:P0}");
            Check(Near(Stablecoins.CrtFreezeChance(0), 0.40, 1e-9) && Stablecoins.CrtFreezeChance(50) == 0 && Near(Stablecoins.CrtFreezeChance(25), 0.2, 1e-9),
                "CRT 冻结概率：声望 0 为 40%，25 为 20%，50 为 0");
        });

        Test("稳定币：CRA 补贴池告急即为预兆；螺旋三天 0.85 / 0.30 / 0.02", () =>
        {
            var s = new Stablecoins { CraSubsidy = Tuning.CraSubsidy0 * 0.19 };
            Check(s.CraWarning(1) && s.CraRate == Tuning.CraRateLow, "补贴池低于 20%：预兆出现、利率降到 0.2%");
            var t = new Stablecoins { CraSubsidy = 1 };
            var rng = new Rng(3);
            t.Night(1, rng, 100000);
            Check(t.CraWarnDay == 1 && t.CraSpiralDay >= 5 && t.CraSpiralDay <= 8, $"补贴池吃空触发螺旋，提前 4–7 天：第 {t.CraSpiralDay} 天开始");
            var path = new List<double>();
            for (int d = 2; d <= t.CraSpiralDay + 3; d++) { t.Night(d, rng, 0); if (d >= t.CraSpiralDay) path.Add(t.Cra); }
            Check(path.Take(3).SequenceEqual(new[] { 0.85, 0.30, 0.02 }), $"螺旋路径：{string.Join(" / ", path)}");
            Check(!t.CraWarning(t.CraSpiralDay + 1), "螺旋开始后不再算预兆");
        });

        Test("合规出金：干净小额不查；污点高时重度命中记罪证；轻度命中只没收污点部分；只对收益计税", () =>
        {
            Func<string, double> px = a => 1;
            Check(Exchange.HitChance(500, 0, 0, 200, false) == 0, "干净、低于 5 倍房租：不查");
            Check(Near(Exchange.HitChance(2000, 0, 0, 200, false), 0.2, 1e-9), "单笔为大额阈值 2 倍：20%");
            Check(Near(Exchange.HitChance(1000, 500, 0, 200, false), 0.75, 1e-9), "污点 50%：75%");
            Check(Exchange.HitChance(100000, 100000, 1e6, 200, true) == Tuning.AmlMaxChance, "上限 90%");
            int heavy = 0;
            double crime = 0;
            for (int i = 0; i < 1000; i++)
            {
                var w = new Wallet { Taint = 500, Basis = 1000 };
                w.Add(Assets.CRC, 1000);
                var r = new Exchange().Cashout(w, 1000, px, 1, 200, false, new Rng((ulong)i));
                if (r.Outcome == AmlOutcome.Heavy) { heavy++; crime = r.Crime; Check(Near(r.Received, 998 - 500, 1e-6), "重度：没收污点部分"); }
                else Check(Near(r.Received, 998, 1e-6) && r.Tax == 0, "未命中：全额到账；本金不计税");
            }
            Check(Near(heavy / 1000.0, 0.75, 0.04) && crime == 500, $"污点 50% 时约 75% 重度命中，罪证 = 污点额：{heavy / 1000.0:P0}");
            var light = new Wallet { Taint = 150 };
            light.Add(Assets.CRC, 1000);
            CashoutResult lr = null;
            for (ulong i = 0; lr == null || lr.Outcome == AmlOutcome.Clear; i++)
            {
                var w = new Wallet { Taint = 150 };
                w.Add(Assets.CRC, 1000);
                lr = new Exchange().Cashout(w, 1000, px, 1, 200, false, new Rng(i));
            }
            Check(lr.Outcome == AmlOutcome.Light && lr.Crime == 0 && Near(lr.Confiscated, 150, 1e-6), "污点 15%：轻度命中，没收 150、不记罪证");
            Check(Near(lr.Tax, (998 - 150) * Tuning.TaxRate, 1e-6), "成本为 0 时到账部分全额计税");
            var ex = new Exchange();
            var big = new Wallet();
            big.Add(Assets.CRC, 4000);
            ex.Cashout(big, 2000, px, 1, 200, false, new Rng(1));
            Check(Near(Exchange.HitChance(2000, 0, ex.History.Sum(h => h.Value), 200, false), 0.2 + 0.2 * 1000 / 3000.0, 1e-9),
                "7 天内累计超过 15 倍房租也会提高命中率");
            var dep = new Wallet { Basis = 1000 };
            dep.Add(Assets.CRC, 1000);
            var dr = new Exchange().Cashout(dep, 1000, a => 0.9, 1, 200, false, new Rng(1));
            Check(Near(dr.Received, 900 * (1 - Tuning.ExchangeFee), 1e-6), "CRC 脱锚时按市价兑出");
        });

        Test("二手贩子：老实人不报价；中间商加价；骗子夹带假卡；指出问题按维度扣价、拆穿假货按真实芯片算", () =>
        {
            var rng = new Rng(7);
            int fakes = 0, cards = 0;
            for (int i = 0; i < 300; i++)
                foreach (var c in UsedDealers.Cards(DealerKind.Honest, 40, rng))
                    Check(c.FakeOf == null, "老实人的卡是真卡");
            for (int i = 0; i < 300; i++)
                foreach (var c in UsedDealers.Cards(DealerKind.Scammer, 40, rng))
                {
                    cards++;
                    if (c.FakeOf == null) continue;
                    fakes++;
                    Check(Hardware.Specs[c.FakeOf].Price * 2 <= Hardware.Specs[c.Model].Price, "假卡的芯片至少便宜一半");
                }
            Check(fakes > cards * 0.2 && fakes < cards * 0.5, $"骗子的假卡占两成多（入门卡便宜到没法冒充）：{fakes}/{cards}");
            Check(UsedDealers.Pool(5).All(m => Dealer.Basic.Contains(m)) && UsedDealers.Pool(30).Contains("RTX90"), "型号按天数放开");
            // 标签：假 RTX 70（芯片 RTX 50）、健康 60、风扇缺角、金手指氧化、丝印印着真实型号
            var u = new Unit { Model = "RTX70", FakeOf = "RTX60", Health = 60, Look = new CardLook { Fan = 2, Fingers = 2, Print = 1 } };
            var claim = CardLabels.DealerClaim(u, DealerKind.Scammer, new Rng(3));
            Check(claim.Model == "RTX70" && claim.Fan == 0 && claim.Fingers == 0 && claim.Print == 0, "骗子的说法：标称型号，外观全是没问题");
            long hidden = CardLabels.Value(u, claim, 0), real = CardValue.True(u);
            Check(hidden == CardValue.Of("RTX70", 60) && real == (long)Math.Round(CardValue.Of("RTX60", 60) * 0.76), "没指出时按说法算（标称型号满价），真实价值按芯片和外观算");
            int ex = 0;
            Check(CardLabels.Point(u, claim, CardLabels.RowFan, ref ex) == 1 && CardLabels.Value(u, claim, ex) == (long)Math.Round(CardValue.Of("RTX70", 60) * 0.88), "指出风扇缺角：扣 12%");
            Check(CardLabels.Point(u, claim, CardLabels.RowPrint, ref ex) == 2 && (ex & CardLabels.RowSpec) != 0, "指出丝印印着真实型号：拆穿假货，型号标签一并拆穿");
            Check(CardLabels.Point(u, claim, CardLabels.RowFingers, ref ex) == 1 && CardLabels.Value(u, claim, ex) == real, "全部指出之后价格回到真实价值");
            int ex2 = 0;
            var honestUnit = new Unit { Model = "RTX70", Health = 60, Look = new CardLook { Fan = 1 } };
            Check(CardLabels.Point(honestUnit, CardLabels.DealerClaim(honestUnit, DealerKind.Honest, new Rng(1)), CardLabels.RowFan, ref ex2) == 0, "老实人说的是实话，指出去没用");
            Check(CardLabels.Lies(u, claim, 0) == (CardLabels.RowSpec | CardLabels.RowFan | CardLabels.RowFingers), "骗子隐瞒了型号、叶片、金手指");
            Check(CardLabels.Lies(u, claim, ex) == 0, "指出之后不再算隐瞒");
            Check(Claim.Decode(claim.Encode()).Encode() == claim.Encode(), "说法能存取");
        });

        Test("序列号与供电风扇：四档实物特征；序列号按牌子和档次鉴定；指出供电风扇自动改回真实型号", () =>
        {
            Check(Hardware.FanCount.SequenceEqual(new[] { 1, 2, 3, 3 }) && Hardware.PowerPins.SequenceEqual(new[] { "6", "8", "8", "8+8" }), "低端 6 针单风扇、中端 8 针双风扇、高端 8 针三风扇、旗舰双 8 针三风扇");
            Check(Hardware.Specs.Values.Where(x => !x.Asic && !x.Scrap).All(x => Hardware.Specs.Values.Count(y => !y.Asic && !y.Scrap && y.Brand == x.Brand && y.Tier == x.Tier) == 1), "每个牌子每个档次只有一个型号（废片不算）");
            var rngF = new Rng(99UL); bool lowFake = false, midScrap = false;
            for (int i = 0; i < 400; i++)
            {
                foreach (var c in UsedDealers.Cards(DealerKind.Scammer, 60, rngF))
                {
                    if (c.FakeOf == null) continue;
                    if (Hardware.Specs[c.Model].Tier == 0 && Hardware.Specs[c.FakeOf].Scrap) lowFake = true;
                    if (Hardware.Specs[c.Model].Tier > 0 && Hardware.Specs[c.FakeOf].Scrap) midScrap = true;
                }
            }
            Check(lowFake && !midScrap, "低档次的卡也会被冒充（背后是废片），中高档的假卡不用废片");
            var real = new Unit { Model = "RX80", Health = 100, Look = new CardLook { Seed = 7 } };
            var t = CardLabels.SerialText(real);
            Check(t.StartsWith("MD2-") && CardLabels.Factories("PMD").Contains(int.Parse(t.Substring(4, 2))) && t.Length == 11, $"真卡的序列号：牌子 + 档次码 + 合法工厂码 + 四位流水：{t}");
            var forged = new Unit { Model = "RTX90", FakeOf = "RTX60", Health = 100, Look = new CardLook { Seed = 7, Serial = 1 } };
            var f = CardLabels.SerialText(forged);
            Check(f.StartsWith("PB4-") && (!CardLabels.Factories("Probidia").Contains(int.Parse(f.Substring(4, 2))) || f.Length == 10), $"补贴的序列号：档次码对，工厂码不合法或位数不对：{f}");
            var original = new Unit { Model = "RTX90", FakeOf = "RTX60", Health = 100, Look = new CardLook { Seed = 7, Serial = 2 } };
            Check(CardLabels.SerialText(original).StartsWith("PB1-"), "贴的是原芯片的序列号：档次码是真实芯片的档次");
            var claim = CardLabels.DealerClaim(original, DealerKind.Scammer, new Rng(1));
            int ex = 0;
            Check(CardLabels.Point(original, claim, CardLabels.RowBuild, ref ex) == 2 && (ex & CardLabels.RowSpec) != 0 && CardLabels.Value(original, claim, ex) == CardValue.True(original), "指出供电与风扇：型号自动改回真实型号，价格回到真实价值");
        });

        Test("外观随损耗重算：越旧外观越差；种子固定；算力受风扇与金手指影响", () =>
        {
            var rng = new Rng(5);
            int worse = 0, total = 400;
            for (int i = 0; i < total; i++)
            {
                var look = CardLook.Generate(rng, 100, false);
                var a = look.Appearance(100); var b = look.Appearance(20);
                Check(b.Fan >= a.Fan && b.Fingers >= a.Fingers && b.Bracket >= a.Bracket, "健康度下降时外观只会变差");
                if (b.Fan + b.Fingers + b.Bracket > a.Fan + a.Fingers + a.Bracket) worse++;
                Check(look.Appearance(60).Encode() == look.Appearance(60).Encode(), "同一健康度外观固定");
            }
            Check(worse > total * 0.9, $"健康度从 100 掉到 20，九成以上的卡外观变差：{worse}/{total}");
            var fake = CardLook.Generate(rng, 80, true);
            Check(fake.HasFakeSign && fake.Appearance(10).HasFakeSign, "假卡的破绽不随健康度变化");
            var clean = new Unit { Model = "RTX70", Health = 100 };
            var bad = new Unit { Model = "RTX70", Health = 100, Look = new CardLook { Fan = 2, Fingers = 2 } };
            Check(Near(bad.Hash(ModuleBonus.None) / clean.Hash(ModuleBonus.None), 0.92 * 0.94, 1e-9), "风扇缺角 + 金手指氧化：算力 ×0.92 ×0.94");
        });

        Test("杰克逊博士：没有矿架必上一个；基础卡每次两张；进阶第 10 天起、旗舰第 30 天起；特供货第 20 天起必有旗舰", () =>
        {
            var rng = new Rng(11);
            var first = Dealer.Stock(1, false, false, rng);
            Check(first.Count(k => k == Dealer.Rig) == 1 && first.Count(k => Dealer.Basic.Contains(k)) == 2 && first.Count == 3, $"第 1 天：矿架 + 两张基础卡：{string.Join(",", first)}");
            int adv = 0, flag = 0, rigs = 0, n = 4000;
            for (int i = 0; i < n; i++)
            {
                var s9 = Dealer.Stock(9, true, false, rng);
                Check(!s9.Any(k => Dealer.Advanced.Contains(k) || Dealer.Flagship.Contains(k)), "第 9 天没有进阶与旗舰");
                var s40 = Dealer.Stock(40, true, false, rng);
                if (s40.Any(k => Dealer.Advanced.Contains(k))) adv++;
                if (s40.Any(k => Dealer.Flagship.Contains(k))) flag++;
                if (s40.Contains(Dealer.Rig)) rigs++;
            }
            Check(Near(adv / (double)n, 0.60, 0.03) && Near(flag / (double)n, 0.25, 0.03) && Near(rigs / (double)n, 0.30, 0.03),
                $"第 40 天：进阶 {adv / (double)n:P0}（60%），旗舰 {flag / (double)n:P0}（25%），已有矿架时再上 {rigs / (double)n:P0}（30%）");
            Check(Dealer.Stock(20, true, true, rng).Any(k => Dealer.Flagship.Contains(k)) && !Dealer.Stock(19, true, true, new Rng(1)).Any(k => Dealer.Flagship.Contains(k)),
                "特供货：第 20 天起必有旗舰，第 19 天没有");
            Check(Dealer.Basic.Concat(Dealer.Advanced).Concat(Dealer.Flagship).All(m => Hardware.Specs.ContainsKey(m) && !Hardware.Specs[m].Asic), "上架的型号都是登记过的显卡");
        });

        Test("存档：市场、稳定币、全网、钱包、交易所、随机数序列化后读回，之后的结果一致", () =>
        {
            var m = Market.CreateDefault(3);
            var st = new Stablecoins();
            var net = new Network();
            var w = new Wallet { Address = "hot", Taint = 12, Basis = 34 };
            w.Add(Assets.PSC, 5);
            var ex = new Exchange();
            ex.History.Add(new KeyValuePair<int, double>(2, 100));
            var rng = new Rng(77);
            for (int d = 1; d <= 5; d++) { m.Night(new MarketEvent[0], rng, d, a => 1); st.Night(d, rng, 0); net.Night(d, m.Price, 10); }
            var bundle = new SaveBundle { Market = m, Stable = st, Network = net, Hot = w, Exchange = ex, Rng = rng };
            string json = Newtonsoft.Json.JsonConvert.SerializeObject(bundle);
            var back = Newtonsoft.Json.JsonConvert.DeserializeObject<SaveBundle>(json);
            Check(Near(back.Market.Price, m.Price, 1e-9) && back.Market.Pools.Count == m.Pools.Count && back.Market.Pools[1].Id == m.Pools[1].Id, "交易对与价格");
            Check(back.Hot.Get(Assets.PSC) == 5 && back.Hot.Taint == 12 && back.Hot.Basis == 34, "钱包余额、污点、成本");
            Check(back.Exchange.History.Count == 1 && back.Exchange.History[0].Value == 100, "出金记录");
            Check(Near(back.Network.NpcHash, net.NpcHash, 1e-9) && Near(back.Stable.CraSubsidy, st.CraSubsidy, 1e-9), "全网算力、CRA 补贴池");
            for (int d = 6; d <= 10; d++)
            {
                m.Night(new MarketEvent[0], rng, d, a => 1);
                back.Market.Night(new MarketEvent[0], back.Rng, d, a => 1);
            }
            Check(Near(back.Market.Price, m.Price, 1e-9), "读回后继续推进，行情与原来完全相同");
        });

        Test("用币付款：派系对应的币、按币价换算、污点与成本", () =>
        {
            var w = new Wallet { Address = "t" };
            Check(CoinPayment.AssetFor("FACTION_BLACK_MARKET") == Assets.CRT && CoinPayment.AssetFor("FACTION_SECURITY") == null, "派系对应的币");
            double q = CoinPayment.Receive(w, Assets.CRT, 200, 0.5, 40);
            Check(Near(q, 400 * (1 + Tuning.CoinPayPremium), 1e-9) && Near(w.Get(Assets.CRT), q, 1e-9), "按币价换算数量，含溢价");
            Check(Near(w.Taint, 80, 1e-9) && Near(w.Basis, 200, 1e-9), "污点 = 货值 × 热度%，成本 = 货值（溢价不带污点）");
            Check(CoinPayment.Receive(w, Assets.CRC, 0, 1, 10) == 0, "零金额不收");
        });

        Test("混币器：按价值比例带走污点、轮数即天数、手续费与清洗、匿名集、制裁标记", () =>
        {
            Func<string, double> px = a => a == Assets.PSC ? 10 : 1;
            var w = new Wallet { Address = "t" };
            w.Add(Assets.CRC, 1000); w.Add(Assets.PSC, 100);   // 总价值 2000
            w.Taint = 400; w.Basis = 1000;
            var m = new Mixer();
            Check(m.Deposit(w, Assets.CRC, 1000, 9, 1, px) == null && m.Deposit(w, Assets.CRC, 50, 1, 1, px) == null, "轮数超限、低于最小额不收");
            var d = m.Deposit(w, Assets.CRC, 1000, 2, 1, px);
            Check(d != null && Near(d.Taint, 200, 1e-9) && Near(w.Taint, 200, 1e-9) && Near(w.Get(Assets.CRC), 0, 1e-9), "存入 1000 / 2000：带走一半污点");
            var rng = new Rng(3);
            Check(m.Night(w, 2, px, rng).Count == 0, "未到期不提回");
            var res = m.Night(w, 3, px, rng);
            Check(res.Count == 1 && !res[0].Rugged, "到期提回");
            double rate = Mixer.RoundRate(1000);
            Check(Near(w.Get(Assets.CRC), 1000 * (1 - Tuning.MixerFee) * (1 - Tuning.MixerFee), 1e-6) && Near(res[0].TaintAfter, 200 * (1 - rate) * (1 - rate), 1e-6), "两轮：手续费与污点按轮数递减");
            Check(Mixer.RoundRate(100000) < Mixer.RoundRate(1000) / 3, "存入越大匿名集占比越大，清洗越差");
            Check(m.RecentlyMixed(3) && !m.RecentlyMixed(3 + Tuning.AmlWindowDays + 1), "提回后一段时间内出金按混币来源加重");
            m.OnEvent(MarketEvent.Crackdown, 5, new Rng(1));
            int hit = 0; for (int i = 0; i < 400; i++) { var t = new Mixer(); t.OnEvent(MarketEvent.Crackdown, 1, new Rng((ulong)i + 1)); if (t.Sanctioned(2)) hit++; }
            Check(hit > 150 && hit < 250, $"镇压时约一半概率被制裁：{hit}/400");
            var w2 = new Wallet { Address = "u" }; w2.Add(Assets.CRC, 500);
            var m2 = new Mixer { SanctionedUntil = 10 };
            m2.Deposit(w2, Assets.CRC, 500, 1, 1, px);
            m2.Night(w2, 2, px, new Rng(5));
            Check(w2.Flagged, "制裁期间提出的币被标记");
        });

        Test("CRT 冻结：冻一半、可动用余额减少、到期解冻；声望越高越不容易被冻", () =>
        {
            var w = new Wallet { Address = "f" };
            w.Add(Assets.CRT, 1000);
            double fz = w.Freeze(Assets.CRT, Tuning.CrtFreezeShare, 10);
            Check(Near(fz, 500, 1e-9) && Near(w.Avail(Assets.CRT), 500, 1e-9) && Near(w.Get(Assets.CRT), 1000, 1e-9), "冻结一半：余额不变，可动用 500");
            Check(Near(w.Freeze(Assets.CRT, 1, 12), 500, 1e-9) && Near(w.Avail(Assets.CRT), 0, 1e-9), "再冻一次只冻可动用部分");
            Check(w.Thaw(9).Count == 0 && w.Thaw(12).Count == 1 && Near(w.Avail(Assets.CRT), 1000, 1e-9), "到期（取较晚的日子）全部解冻");
            Check(new Mixer().Deposit(w, Assets.CRT, 2000, 1, 1, a => 1) == null, "余额不足不能存入混币器");
            int low = 0, high = 0;
            for (int i = 0; i < 2000; i++) { if (Stablecoins.CrtFrozenByCrackdown(0, new Rng((ulong)i + 1))) low++; if (Stablecoins.CrtFrozenByCrackdown(50, new Rng((ulong)i + 1))) high++; }
            Check(low > 700 && low < 900 && high == 0, $"声望 0 约 40% 被冻：{low}/2000；声望 50 不会被冻：{high}");
        });

        Test("Web3 黑市", () =>
        {
            Func<string, double> price = a => a == Assets.Ponero ? 50 : a == Assets.PSC ? 100 : 1;
            var bm = new BlackMarket();
            Check(!bm.Refresh(10, 5, new Rng(1), id => 100) && bm.Offers.Count == 0, "声望不够不开放");
            Check(bm.Refresh(10, 45, new Rng(1), id => 100) && bm.Offers.Count > 0 && bm.Offers.Where(o => o.Kind == GoodKind.Contraband).All(o => o.Level <= 2 && o.Price == 130), "声望 45 开放中档，溢价 30%");
            Check(!bm.Refresh(12, 45, new Rng(2), id => 100) && bm.Refresh(17, 45, new Rng(2), id => 100), "每周刷新");
            var w = new Wallet { Address = "t" };
            w.Add(Assets.PSC, 10); w.Add(Assets.CRT, 1000); w.Taint = 400; w.Basis = 800;   // 总价值 2000
            var offer = new BmOffer { Item = "x", Qty = 1, Price = 500, Level = 1 };
            bm.Offers.Add(offer);
            Check(!bm.Buy(offer, w, Assets.CRC, price), "不收 CRC");
            Check(bm.Buy(offer, w, Assets.CRT, price) && Near(w.Get(Assets.CRT), 500, 1e-9) && Near(w.Taint, 300, 1e-6) && Near(w.Basis, 600, 1e-6) && !bm.Offers.Contains(offer), "付币：污点与成本按比例留给卖家，卖完下架");
            w = new Wallet { Address = "t" };
            w.Add(Assets.PSC, 10); w.Taint = 500; w.Basis = 1000;   // 总价值 1000，PSC 价 100
            double got = bm.ToPonero(w, Assets.PSC, 5, 20, price);   // 价值 500
            Check(Near(got, 500 * (1 - Tuning.PoneroFee) / 50, 1e-9) && Near(w.Taint, 250, 1e-6) && Near(w.Get(Assets.PSC), 5, 1e-9), "兑入 Ponero：扣手续费，这部分污点留在原地");
            Check(bm.ToPonero(w, Assets.PSC, 5.1, 20, price) < 0, "超过每日额度不能兑");
            Check(bm.ToPonero(w, Assets.PSC, 5, 21, price) >= 0, "第二天额度恢复");
            double back = bm.FromPonero(w, Assets.CRT, 10, 22, price);
            Check(Near(back, 10 * 50 * (1 - Tuning.PoneroFee), 1e-9) && Near(w.Get(Assets.CRT), back, 1e-9), "兑出 Ponero");
        });

        Test("黑市订单", () =>
        {
            Func<string, double> price = a => a == Assets.CRT ? 1 : 100;
            Func<string, long> value = id => 200;
            var bm = new BlackMarket();
            bm.RefreshOrders(10, 75, new Rng(5), value);
            Check(bm.Sellers.Count >= Tuning.BmMerchantCount && bm.Catalog.Count > 0 && bm.Catalog.All(l => l.Qty > 0 && l.Price >= 1) && bm.Catalog.Where(l => l.Kind != GoodKind.Gpu && bm.Sellers[l.Seller].Type != MerchantType.Personal).All(l => l.Price >= 200 * bm.Sellers[l.Seller].Factor * 0.97 - 1 && l.Price <= 200 * bm.Sellers[l.Seller].Factor * 1.03 + 1), "目录：商家与单价（基础价 × 商家系数）");
            Check(BlackMarket.Pay(170, PayMode.Escrow) == 170 + 9 && BlackMarket.Pay(170, PayMode.Advance) == 153 && BlackMarket.OrderTotal(100, 5) == 475 && BlackMarket.OrderTotal(100, 10) == 900 && BlackMarket.OrderTotal(100, 4) == 400, "托管多付 5%，提前放款打九折");
            var good = new BmSeller { Name = "g", Trades = 100, Rating = 95 };
            var bad = new BmSeller { Name = "b", Trades = 100, Rating = 95, Scam = true };
            bm.Sellers.Clear(); bm.Sellers.Add(good); bm.Sellers.Add(bad);
            var lg = new BmListing { Qty = 99, Seller = 0, Item = "x", Price = 1000 };
            var lb = new BmListing { Qty = 99, Seller = 1, Item = "x", Price = 1000 };
            var w = new Wallet { Address = "t" };
            w.Add(Assets.CRT, 10000); w.Taint = 4000; w.Basis = 5000;
            var o = bm.Place(lb, 1, PayMode.Escrow, w, Assets.CRT, 10, price);
            Check(o != null && Near(w.Get(Assets.CRT), 10000 - 1050, 1e-9) && w.Taint < 4000 && bm.Place(lg, 1, PayMode.Escrow, w, Assets.CRC, 10, price) == null, "托管下单：扣币、污点留在订单上；不收 CRC");
            double tBefore = 4000;
            var ev = bm.Night(13, false, w, new Rng(1));
            Check(ev.Any(e => e.Kind == "scam_refund") && Near(w.Get(Assets.CRT), 10000, 1e-6) && Near(w.Taint, tBefore, 1e-6) && Near(w.Basis, 5000, 1e-6), "骗子卖家 + 托管：退款，污点与成本一并还回（不能借退款洗钱）");
            var o2 = bm.Place(lb, 1, PayMode.Advance, w, Assets.CRT, 20, price);
            var ev2 = bm.Night(23, false, w, new Rng(2));
            Check(o2.State == OrderState.Lost && Near(w.Get(Assets.CRT), 10000 - 900, 1e-6), "骗子卖家 + 提前放款：钱没了");
            var o3 = bm.Place(lg, 1, PayMode.Escrow, w, Assets.CRT, 30, price);
            Check(bm.Night(31, false, w, new Rng(3)).Count == 0 && o3.State == OrderState.Pending, "没到期不动");
            int ready = 0, lost = 0;
            for (int i = 0; i < 400; i++)
            {
                var t = new BlackMarket(); t.Sellers.Add(good);
                var ww = new Wallet(); ww.Add(Assets.CRT, 5000);
                var oo = t.Place(new BmListing { Qty = 99, Seller = 0, Item = "x", Price = 100 }, 1, PayMode.Escrow, ww, Assets.CRT, 1, price);
                t.Night(oo.DueDay, false, ww, new Rng((ulong)i + 7));
                if (oo.State == OrderState.Ready) ready++; else lost++;
            }
            Check(ready > 340 && lost > 10, $"上门：约 {Tuning.BmInterceptDoor:P0} 被截获（跑路另算）：到货 {ready}，丢失 {lost}");
            var c = new BlackMarket(); c.Sellers.Add(good);
            var cw = new Wallet(); cw.Add(Assets.CRT, 5000);
            var co = c.Place(new BmListing { Qty = 99, Seller = 0, Item = "x", Price = 100 }, 1, PayMode.Escrow, cw, Assets.CRT, 1, price);
            c.Night(co.DueDay, true, cw, new Rng(1));
            Check(co.State == OrderState.Pending && co.DueDay == 5, "镇压期间到期顺延一天");
            // 蜜罐期间下单会被追查；受控交付签收记罪证、拒签不记
            var h = new BlackMarket(); h.Sellers.Add(good); h.HoneypotUntil = 12;
            var hw = new Wallet(); hw.Add(Assets.CRT, 5000);
            var ho = h.Place(new BmListing { Qty = 99, Seller = 0, Item = "x", Price = 100 }, 1, PayMode.Escrow, hw, Assets.CRT, 10, price);
            Check(h.Traps.Count == 1 && h.Traps[0].Day == 10 + Tuning.BmTrapDelay, "蜜罐期间下单：记一笔追查");
            Check(h.Night(h.Traps[0].Day, false, hw, new Rng(3)).Any(e => e.Kind == "trap" && Near(e.Amount, ho.Price * Tuning.BmTrapShare, 1e-9)) && h.Traps.Count == 0, "追查到期：产生罪证事件");
            int ctrl = 0;
            for (int i = 0; i < 600; i++)
            {
                var t2 = new BlackMarket(); t2.Sellers.Add(good);
                var w2 = new Wallet(); w2.Add(Assets.CRT, 5000);
                var o2b = t2.Place(new BmListing { Qty = 99, Seller = 0, Item = "x", Price = 100 }, 1, PayMode.Escrow, w2, Assets.CRT, 1, price);
                t2.Night(o2b.DueDay, false, w2, new Rng((ulong)i + 99), 0);
                if (o2b.Controlled) ctrl++;
            }
            Check(ctrl > 5 && ctrl < 50, $"被截获里一部分变成受控交付：{ctrl}/600");
            var co2 = new BmOrder { Item = "x", Price = 150, State = OrderState.Ready, Controlled = true };
            var cm = new BlackMarket();
            Check(Near(cm.Sign(co2, true), 150, 1e-9) && co2.State == OrderState.Lost && co2.Why == "seized" && Near(cm.Sign(new BmOrder { Price = 50 }, false), 0, 1e-9), "签收记罪证（金额）并查封，拒签不记");
            Check(BlackMarket.HoneypotChance(100) > BlackMarket.HoneypotChance(0) && BlackMarket.HoneypotChance(100000) <= Tuning.BmHoneypotMax, "治安声望越高越容易被接管，有封顶");
            // 没收到货的订单不会被追查：骗子退款后蜜罐追查取消
            var hb = new BlackMarket(); hb.Sellers.Add(bad); hb.HoneypotUntil = 50;
            var hw2 = new Wallet(); hw2.Add(Assets.CRT, 5000);
            var hl = new BmListing { Seller = 0, Item = "x", Price = 100, Qty = 9 };
            var ho2 = hb.Place(hl, 1, PayMode.Escrow, hw2, Assets.CRT, 10, price);
            Check(hb.Traps.Count == 1 && ho2.Id > 0, "蜜罐期间下单：先挂追查");
            hb.Night(ho2.DueDay, false, hw2, new Rng(4));
            Check(ho2.State == OrderState.Refunded && hb.Traps.Count == 0, "骗子卖家退款后追查取消（没拿到货不记罪证）");
            // 跑路：托管资金多则概率高；跑路后关闭
            var r = new BlackMarket(); r.Sellers.Add(good);
            var rw = new Wallet(); rw.Add(Assets.CRT, 1000000);
            for (int i = 0; i < 20; i++) r.Place(new BmListing { Qty = 99, Seller = 0, Item = "x", Price = 10000 }, 1, PayMode.Escrow, rw, Assets.CRT, 1, price);
            Check(r.RugChance > BlackMarketTestRug(), "托管资金越多越容易跑路");
            r.ClosedUntil = 40;
            Check(r.Closed(40) && !r.Closed(41) && r.Place(new BmListing { Qty = 99, Seller = 0, Item = "x", Price = 1 }, 1, PayMode.Escrow, rw, Assets.CRT, 30, price) == null, "关闭期间不能下单");
        });

        Test("黑市出售", () =>
        {
            Func<string, double> price = a => a == Assets.CRT ? 1 : 100;
            Check(Near(BlackMarket.ExpectedDays(0.6), 1, 1e-9) && Near(BlackMarket.ExpectedDays(0.9), 1, 1e-9) && Near(BlackMarket.ExpectedDays(1.0), 2, 1e-9) && Near(BlackMarket.ExpectedDays(1.8), 14, 1e-6), "期望成交天数：0.9 以下 1 天，1.0 两天，1.8 十四天");
            Check(BlackMarket.ExpectedDays(1.2) > BlackMarket.ExpectedDays(1.0) && BlackMarket.ExpectedDays(1.5) > BlackMarket.ExpectedDays(1.2), "倍率越高越慢");
            Check(BlackMarket.TaintChance(1.8) > BlackMarket.TaintChance(0.6) && BlackMarket.TaintRatio(1.8) > BlackMarket.TaintRatio(0.6) && Near(BlackMarket.TaintChance(0.6), Tuning.BmSaleTaintChanceMin, 1e-9), "倍率越高，带污点的概率和比例越高");
            var bm = new BlackMarket();
            var w = new Wallet(); w.Add(Assets.CRT, 1000);
            Check(bm.List("c4", null, null, 0, 500, 2.0, w, Assets.CRT, 1, price) == null && bm.List("c4", null, null, 0, 500, 0.5, w, Assets.CRT, 1, price) == null, "倍率超出 0.6–1.8 不能上架");
            var s = bm.List("c4", null, null, 0, 500, 1.0, w, Assets.CRT, 1, price);
            Check(s != null && s.ListPrice == 500 && Near(w.Get(Assets.CRT), 1000 - 25, 1e-9), "上架：标价 500，上架费 5%");
            int sold1 = 0, sold18 = 0;
            for (int i = 0; i < 2000; i++) { if (new Rng((ulong)i + 1).Chance(bm.SaleChance(0.8))) sold1++; if (new Rng((ulong)i + 1).Chance(bm.SaleChance(1.8))) sold18++; }
            Check(sold1 == 2000 && sold18 > 80 && sold18 < 220, $"每晚成交概率：0.8 倍必成交，1.8 倍约 1/14：{sold18}/2000");
            // 成交与到账：夜晚 1 成交（0.8 倍必成交），托管 3 天后到钱包
            var b2 = new BlackMarket();
            var w2 = new Wallet(); w2.Add(Assets.CRT, 1000);
            var s2 = b2.List("c4", null, null, 0, 500, 0.8, w2, Assets.CRT, 1, price);
            double crt0 = w2.Get(Assets.CRT);
            var e1 = b2.Night(2, false, w2, new Rng(7), 0, price);
            Check(s2.State == SaleState.Sold && s2.Proceeds == (int)Math.Round(400 * (1 - Tuning.BmCommission)) && s2.PayDay == 2 + Tuning.BmSaleHold && Near(w2.Get(Assets.CRT), crt0, 1e-9), "成交：扣抽成，货款先托管");
            b2.Night(4, false, w2, new Rng(8), 0, price);
            Check(s2.State == SaleState.Sold, "没到放款日不动");
            b2.Night(5, false, w2, new Rng(9), 0, price);
            Check(s2.State == SaleState.Paid && Near(w2.Get(Assets.CRT), crt0 + s2.Proceeds, 1e-9) && Near(w2.Taint, s2.Taint, 1e-9) && (s2.Taint == 0 || Near(s2.Taint, s2.Proceeds * BlackMarket.TaintRatio(0.8), 1e-6)), "放款：货款进钱包，污点按比例");
            // 假卡被看穿
            int fake = 0;
            for (int i = 0; i < 400; i++)
            {
                var b3 = new BlackMarket(); var w3 = new Wallet(); w3.Add(Assets.CRT, 1000);
                var s3 = b3.List("gpu:RTX70", "RTX70", "RTX60", 60, 500, 0.8, w3, Assets.CRT, 1, price);
                b3.Night(2, false, w3, new Rng((ulong)i + 3), 0, price);
                if (s3.State == SaleState.Delisted && s3.Why == "fake") { fake++; if (b3.Rating >= Tuning.BmRatingStart) throw new Exception("好评没降"); }
            }
            Check(fake > 150 && fake < 250, $"假卡约一半被看穿退货：{fake}/400");
            // 平台跑路：上架的货与未放款货款都没了
            var b4 = new BlackMarket(); var w4 = new Wallet(); w4.Add(Assets.CRT, 100000);
            for (int i = 0; i < 30; i++) b4.List("c4", null, null, 0, 5000, 1.8, w4, Assets.CRT, 1, price);
            bool rugged = false;
            for (int d = 2; d < 400 && !rugged; d++) { var ev = b4.Night(d, false, w4, new Rng((ulong)d * 31), 0, price); rugged = ev.Any(e => e.Kind == "sale_rug"); }
            Check(rugged && b4.Sales.All(x => x.State != SaleState.Listed && x.State != SaleState.Sold), "跑路：上架与未放款全部归零");
            var b6 = new BlackMarket(); var w6 = new Wallet(); w6.Add(Assets.CRT, 100000);
            int ok6 = 0; for (int i = 0; i < 15; i++) if (b6.List("c4", null, null, 0, 500, 1.0, w6, Assets.CRT, 1, price) != null) ok6++;
            Check(ok6 == Tuning.BmMaxListings && b6.ActiveListings == 10, "同时最多上架 10 件");
            var b7 = new BlackMarket(); var w7 = new Wallet(); w7.Add(Assets.CRT, 5000);
            var s7 = b7.List("c4", null, null, 0, 500, 1.8, w7, Assets.CRT, 1, price);
            double c7 = w7.Get(Assets.CRT);
            Check(b7.Reprice(s7, 1.0, w7, Assets.CRT, 2, price) && s7.ListPrice == 500 && s7.Mult == 1.0 && Near(c7 - w7.Get(Assets.CRT), BlackMarket.RepriceFee(500), 1e-9), "改价：按参考价重算标价，收 2% 改价费");
            Check(!b7.Reprice(s7, 1.0, w7, Assets.CRT, 2, price) && !b7.Reprice(s7, 2.5, w7, Assets.CRT, 2, price) && Near(b7.SaleChance(s7.Mult), 0.5 * Math.Min(1.1, 90 / 90.0), 1e-9), "同倍率或超范围不改；改价后成交概率按新倍率");
            b7.Night(3, false, w7, new Rng(5), 0, price);
            Check(!b7.Reprice(s7, 0.6, w7, Assets.CRT, 4, price) || s7.State == SaleState.Listed, "已成交的货不能改价");
            // 镇压期间不推进
            var b5 = new BlackMarket(); var w5 = new Wallet(); w5.Add(Assets.CRT, 1000);
            var s5 = b5.List("c4", null, null, 0, 500, 0.8, w5, Assets.CRT, 1, price);
            b5.Night(2, true, w5, new Rng(1), 0, price);
            Check(s5.State == SaleState.Listed, "镇压期间平台下线，不成交");
        });

        Test("黑市全新卡", () =>
        {
            int fresh = 0, total = 0, bad = 0;
            for (int i = 0; i < 300; i++)
            {
                var bm = new BlackMarket();
                bm.Refresh(10, 75, new Rng((ulong)i + 11), id => 100);
                foreach (var o in bm.Offers.Where(x => x.Kind == GoodKind.Gpu))
                {
                    total++;
                    if (o.Health >= 100) { fresh++; if (o.FakeOf != null) bad++; }
                }
            }
            Check(total > 300 && fresh > total * 0.08 && fresh < total * 0.25 && bad == 0, $"显卡里约 {Tuning.BmGpuNew:P0} 是全新卡，且不会是假卡：{fresh}/{total}，假 {bad}");
            Check(Near(Tuning.PoneroFee, 0.06, 1e-9) && Near(1 - Math.Pow(1 - Tuning.PoneroFee, 2), 0.12, 0.01), "Ponero 一进一出约 12%");
        });

        Test("黑市商家", () =>
        {
            double sum = 0; int bulk = 0, n = 300;
            var types = new System.Collections.Generic.HashSet<MerchantType>();
            for (int i = 0; i < n; i++)
            {
                var bm = new BlackMarket();
                bm.RefreshOrders(20, 75, new Rng((ulong)i + 5), id => 250);
                sum += bm.CatalogValue;
                if (bm.Sellers.Any(x => x.Type == MerchantType.Bulk)) bulk++;
                foreach (var s in bm.Sellers) types.Add(s.Type);
                if (bm.Sellers.Where(x => x.Type != MerchantType.Bulk && x.Type != MerchantType.Personal).Select(x => x.Type).Distinct().Count() != bm.Sellers.Count(x => x.Type != MerchantType.Bulk && x.Type != MerchantType.Personal)) throw new Exception("同类型商家重复");
            }
            double avg = sum / n;
            Check(avg > 8000 && avg < 40000, $"每周货架总值（游戏里实测平均约 1.4 万，这里用统一基础价 250）：平均 {avg:0}");
            Check(bulk > n * 0.15 && bulk < n * 0.35 && types.Count >= 20, $"大宗商家约 {Tuning.BmBulkChance:P0} 的周出现：{bulk}/{n}；七种类型都出现过");
            // 批量下单：折扣、库存扣减
            Func<string, double> price = a => 1;
            var m = new BlackMarket(); m.Sellers.Add(new BmSeller { Name = "a", Trades = 100, Type = MerchantType.Modules, Factor = 0.8 });
            var l = new BmListing { Seller = 0, Item = "x", Price = 100, Qty = 8 };
            m.Catalog.Add(l);
            var w = new Wallet(); w.Add(Assets.CRT, 5000);
            var o = m.Place(l, 5, PayMode.Advance, w, Assets.CRT, 1, price);
            Check(o != null && o.Count == 5 && o.Price == (int)Math.Round(475 * 0.9) && l.Qty == 3 && m.Catalog.Contains(l), "订 5 件：95 折，再按提前放款打折，库存扣 5");
            Check(m.Place(l, 4, PayMode.Escrow, w, Assets.CRT, 1, price) == null && m.Place(l, 3, PayMode.Escrow, w, Assets.CRT, 1, price) != null && !m.Catalog.Contains(l), "超过库存不能订；订完下架");
            var bs = new BmSeller { Type = MerchantType.Bulk };
            Check(bs.Days == Tuning.BmBulkDays && new BmSeller { Type = MerchantType.Modules }.Days == Tuning.BmDoorDays, "大宗商家送货更久");
            // 出售量推高污点
            var b2 = new BlackMarket();
            double v0 = b2.VolumeTaint(10);
            b2.Sales.Add(new BmSale { State = SaleState.Sold, Proceeds = 14000, PayDay = 12 });
            Check(Near(v0, 0, 1e-9) && Near(b2.VolumeTaint(10), Tuning.BmVolumeTaintMax, 1e-9) && b2.VolumeTaint(30) == 0, "近 7 天成交额推高污点，过期不算");
        });

        Test("尖端店铺与个人卖家", () =>
        {
            int elite = 0, n = 400, personalListings = 0; double lo = 9, hi = 0;
            for (int i = 0; i < n; i++)
            {
                var bm = new BlackMarket();
                bm.RefreshOrders(20, 75, new Rng((ulong)i + 77), id => id == "hypertech_bay" || id == "turbo_booster_hypertech" ? 10000 : id == "mind_reprogrammer" ? 5000 : 200);
                if (bm.Sellers.Any(x => x.Type == MerchantType.Elite)) elite++;
                if (bm.Sellers.Count(x => x.Type == MerchantType.Personal) != Tuning.BmPersonalCount) throw new Exception("个人卖家数不对");
                foreach (var l in bm.Catalog.Where(x => bm.Sellers[x.Seller].Type == MerchantType.Elite))
                    if (l.Kind != GoodKind.Gpu && l.Price < Tuning.BmEliteMinValue * Tuning.BmFactorEliteMin * 0.97 - 1) throw new Exception("尖端店铺卖了便宜货：" + l.Item + " " + l.Price);
                foreach (var l in bm.Catalog.Where(x => bm.Sellers[x.Seller].Type == MerchantType.Personal && x.Kind == GoodKind.Contraband)) { personalListings++; double f = l.Price / 200.0; lo = Math.Min(lo, f); hi = Math.Max(hi, f); }
                foreach (var s in bm.Sellers.Where(x => x.Type == MerchantType.Personal)) if (s.Advance) throw new Exception("个人卖家不该接受提前放款");
            }
            Check(elite > n * 0.08 && elite < n * 0.25, $"尖端店铺约 {Tuning.BmEliteChance:P0} 的周出现：{elite}/{n}");
            Check(personalListings > 100 && lo < 0.65 && hi > 1.05, $"个人卖家每件价格系数分散：{lo:0.00}–{hi:0.00}");
        });

        Test("链上地址校验位", () =>
        {
            var rng = new Rng(5);
            int caught = 0, typos = 0;
            for (int i = 0; i < 2000; i++)
            {
                string a = ChainAddress.Make(rng.NextUInt());
                Check(ChainAddress.Valid(a) && ChainAddress.Valid(a.ToUpperInvariant().Replace("0X", "0x")) && ChainAddress.Valid(" " + a + " "), "生成的地址合法，大小写、空格不影响：" + a);
                int pos = 2 + rng.Range(0, ChainAddress.BodyLength + ChainAddress.CheckLength - 1);
                char c = a[pos];
                char t = "0123456789abcdef"[(Convert.ToInt32(c.ToString(), 16) + 1 + rng.Range(0, 14)) % 16];
                string typo = a.Substring(0, pos) + t + a.Substring(pos + 1);
                typos++;
                if (!ChainAddress.Valid(typo)) caught++;
            }
            Check(caught > typos * 0.98 && caught < typos, $"输错一位几乎都被校验位拦下，极少数碰巧合法：{caught}/{typos}");
            Check(!ChainAddress.Valid("0x12345") && !ChainAddress.Valid("0xzzzzzzzz") && !ChainAddress.WellFormed("12345678ab"), "格式不对的地址不合法");
        });

        Test("RatDigg 矿机：规格、维修、矿机时代、矿机商", () =>
        {
            var m1 = Hardware.Specs["M1"]; var m3 = Hardware.Specs["M3"];
            Check(m1.Asic && Math.Abs(m1.Hash - 50) < 1e-9 && m3.Hash == 300 && m1.Kj / m1.Hash < Hardware.Specs["RTX90"].Kj / Hardware.Specs["RTX90"].Hash, "矿机每 H 耗电低于最好的显卡");
            var u = new Unit { Model = "M2", Health = 100 };
            Check(Math.Abs(u.Hash(ModuleBonus.None) - 120) < 1e-9 && Math.Abs(u.Kj(ModuleBonus.None) - 110) < 1e-9, "M2 满健康 120 H、110 kJ");
            Check(Math.Abs(u.DeathChance(ModuleBonus.None) - Tuning.DeathBase * 0.5) < 1e-12 && Math.Abs(new Unit { Model = "RTX90", Health = 100 }.DeathChance(ModuleBonus.None) - Tuning.DeathBase * 0.7) < 1e-12, "矿机暴毙系数 0.5（Probidia 0.7）");
            Check(Math.Abs(CardValue.Of("M1", 100) - 11000) < 1 && CardValue.Of("M1", 0) < 11000 * 0.3, "矿机价值按健康折算，和显卡同一公式");
            // 维修：按顺序收元件，别的不收
            int step = 0, prog = 0;
            Check(AsicRepair.Insert("M1", ref step, ref prog, "rare_electronic", 1) == 0, "M1 先要普通元件，稀有的不收");
            Check(AsicRepair.Insert("M1", ref step, ref prog, "common_electronic", 3) == 3 && step == 0 && prog == 3, "收 3 个普通元件，进度 3/4");
            Check(AsicRepair.Insert("M1", ref step, ref prog, "common_electronic", 5) == 1 && step == 1 && prog == 0, "只再收 1 个，进下一步");
            Check(AsicRepair.Insert("M1", ref step, ref prog, "rare_electronic", 2) == 1 && AsicRepair.Done("M1", step), "再放 1 个稀有，修好；多的不收");
            double cost = new[] { "M1", "M2", "M3" }.Max(m => AsicRepair.Steps(m).Sum(x => x.Count * (x.Item == "common_electronic" ? 33 : x.Item == "rare_electronic" ? 350 : 2500)) / (double)Hardware.Specs[m].Price);
            Check(cost > 0.02 && cost < 0.06, $"修理约占机价 4%：最贵的 {cost:P1}");
            // 矿机时代：定一天、提前预兆、永久减半
            var net = new Network(); var rng = new Rng(3);
            double kj0 = net.NpcKj; int warns = 0, starts = 0, warnDay = -1, startDay = -1;
            for (int d = 1; d <= 120; d++) { var st = net.EraNight(d, rng); if (st == Network.EraStep.Warn) { warns++; warnDay = d; } if (st == Network.EraStep.Start) { starts++; startDay = d; } }
            Check(warns == 1 && starts == 1 && startDay >= Tuning.EraMin && startDay <= Tuning.EraMax && startDay - warnDay >= Tuning.EraWarnMin && startDay - warnDay <= Tuning.EraWarnMax, $"预兆第 {warnDay} 天，开始第 {startDay} 天");
            Check(Math.Abs(net.NpcKj - kj0 * Tuning.EraKjMult) < 1e-9 && net.EraNight(200, rng) == Network.EraStep.None, "NPC 耗电效率翻倍，只发生一次");
            var late = new Network(); Check(late.EraNight(200, new Rng(1)) == Network.EraStep.None && late.EraDay >= 200 + Tuning.EraWarnMax + 1, "存档很晚才接入：至少留出预兆天数");
            // 均衡：效率翻倍后 NPC 算力涨
            var a = new Network(); var b = new Network { NpcKj = Tuning.NpcKjPerH * Tuning.EraKjMult };
            for (int d = 1; d <= 200; d++) { a.Night(d, 100, 0); b.Night(d, 100, 0); a.Reward = b.Reward = 100; }
            Check(b.NpcHash > a.NpcHash * 1.5, $"耗电减半后均衡算力 {a.NpcHash:0} → {b.NpcHash:0}");
            // 矿机商：按声望放开型号
            int none = 0, m1only = 0, withM3 = 0, weeks = 600;
            for (int i = 0; i < weeks; i++)
            {
                foreach (var rep in new[] { 30, 50, 90 })
                {
                    var bm = new BlackMarket();
                    bm.RefreshOrders(10, rep, new Rng((ulong)(i * 7 + rep)), _ => 200);
                    var asic = bm.Catalog.Where(l => bm.Sellers[l.Seller].Type == MerchantType.Asic).ToList();
                    if (rep == 30 && asic.Count == 0) none++;
                    if (rep == 50 && asic.Count > 0 && asic.All(l => l.Model == "M1")) m1only++;
                    if (rep == 90 && asic.Any(l => l.Model == "M3")) withM3++;
                    foreach (var l in asic) if (l.Model == "M3" && rep < Tuning.AsicRepM3 || l.Model == "M2" && rep < Tuning.AsicRepM2) throw new Exception("声望不够不该出现：" + l.Model + " " + rep);
                }
            }
            Check(none == weeks && m1only > weeks * 0.05 && withM3 > weeks * 0.01, $"声望 30 不出现；50 只有 M1（{m1only}/{weeks} 周）；90 有 M3（{withM3}/{weeks} 周）");
        });

        Test("永续合约：开平仓、强平、基金与欠款、自动减仓、没收", () =>
        {
            Func<string, double> pr = a => a == Assets.PSC ? 100 : 1;
            Wallet NewAcct(double crc, double taint = 0) { var w = new Wallet { Address = "pb" }; w.Add(Assets.CRC, crc); w.Taint = taint; w.Basis = crc; return w; }
            // 滑点：名义价值占池深的比例，买入往上、卖出往下
            var bs = new PerpBook();
            double pool = Tuning.PoolDepth(1);
            Check(Math.Abs(bs.Exec(100, 2000, true, 1) - 100 * (1 + 2000 / (Tuning.PerpDepthMult * pool))) < 1e-9 && bs.Exec(100, 2000, false, 1) < 100 && bs.Exec(100, 1e12, true, 1) <= 150.0001, "滑点：买入上滑、卖出下滑，封顶 50%");
            // 滑点吃掉了强平线之间的空间：开仓被拒
            var bt = new PerpBook { DepthMult = 0.05 }; var at = NewAcct(5000);
            Check(bt.Open(at, "PSC", true, 1000, 5, 100, 1, pr) == PerpResult.Thin && bt.Positions.Count == 0 && at.Get(Assets.CRC) == 5000, "滑点大到一开就被强平的单子被拒，不扣钱");
            // 开仓与手续费、保证金、污点
            var b = new PerpBook { DepthMult = 1e12 }; var a = NewAcct(2000, 1000);
            Check(b.Open(a, "PSC", true, 1000, 6, 100, 1, pr) == PerpResult.Leverage && b.Open(a, "PSC", true, 3000, 3, 100, 1, pr) == PerpResult.Funds, "杠杆超限、余额不足被拒");
            Check(b.Open(a, "PSC", true, 1000, 5, 100, 1, pr) == PerpResult.Ok, "开 5× 多头");
            var pos = b.Of("PSC");
            double fee = 5000 * Tuning.PerpFee;
            Check(Math.Abs(pos.Size - 50) < 1e-9 && Math.Abs(a.Get(Assets.CRC) - (1000 - fee)) < 1e-9 && Math.Abs(pos.Taint - 500) < 1e-9, $"名义 5000，手续费 {fee}，污点 500 随保证金进仓位");
            Check(b.Open(a, "PSC", false, 100, 2, 100, 1, pr) == PerpResult.Opposite, "不能同时多空");
            Check(Math.Abs(pos.LiqPrice - (50 * 100 - 1000) / (50 * (1 - Tuning.PerpMaint))) < 1e-9 && pos.LiqPrice > 85 && pos.LiqPrice < 90, $"强平价 {pos.LiqPrice:0.0}（约 −11%）");
            // 平仓盈利：干净的新币，污点原额退回
            double paid = b.Close(a, "PSC", 110, 2, out double d0);
            double expect = 1000 + 50 * 10 - 50 * 110 * Tuning.PerpFee;
            Check(Math.Abs(paid - expect) < 1e-6 && d0 == 0 && Math.Abs(a.Taint - 1000) < 1e-6 && b.Positions.Count == 0, $"盈利平仓 {paid:0.00}，污点全额退回");
            // 平仓亏损：污点按剩下的比例退回
            var a2 = NewAcct(2000, 1000); var b2 = new PerpBook { DepthMult = 1e12 };
            b2.Open(a2, "PSC", true, 1000, 5, 100, 1, pr);
            double paid2 = b2.Close(a2, "PSC", 95, 2, out _);
            Check(paid2 > 700 && paid2 < 760 && a2.Taint < 1000 - 500 * (1 - paid2 / 1000) + 1, $"亏损平仓 {paid2:0.0}，污点按比例少回");
            // 夜间强平：权益不到 10% 名义价值；剩余进基金
            var b3 = new PerpBook { DepthMult = 1e12 }; var a3 = NewAcct(5000);
            b3.Open(a3, "PSC", true, 1000, 5, 100, 1, pr);
            double fund0 = b3.InsuranceFund;
            var ev = b3.Night(2, new Dictionary<string, double> { ["PSC"] = 88 }, a3, pr);
            Check(ev.Any(e => e.Kind == "liq") && b3.Positions.Count == 0 && b3.Debt == 0, "−12% 被强平，没有欠款");
            Check(b3.InsuranceFund > fund0, "剩余权益进保险基金");
            var b3b = new PerpBook { DepthMult = 1e12 }; var a3b = NewAcct(5000);
            b3b.Open(a3b, "PSC", true, 1000, 5, 100, 1, pr);
            Check(!b3b.Night(2, new Dictionary<string, double> { ["PSC"] = 95 }, a3b, pr).Any(e => e.Kind == "liq") && b3b.Positions.Count == 1, "−5% 不强平");
            // 穿仓：基金先垫，不够记欠款；有欠款不能开仓；账户 CRC 每晚先还
            var b4 = new PerpBook { DepthMult = 1e12, InsuranceFund = 100 }; var a4 = NewAcct(1100);
            b4.Open(a4, "SPARK", true, 1000, 3, 10, 1, pr);
            double crc4 = a4.Get(Assets.CRC);
            b4.Night(2, new Dictionary<string, double> { ["SPARK"] = 5 }, a4, pr);
            Check(b4.Positions.Count == 0 && b4.Debt > 0 && b4.InsuranceFund < 1 + Tuning.PerpFundDrift, $"大跌穿仓，基金见底，欠款 {b4.Debt:0}");
            Check(b4.Open(a4, "SPARK", true, 10, 1, 5, 2, pr) == PerpResult.Debt, "有欠款不能开仓");
            double debt0 = b4.Debt; a4.Add(Assets.CRC, 100);
            b4.Night(3, new Dictionary<string, double> { ["SPARK"] = 5 }, a4, pr);
            Check(Math.Abs(b4.Debt - (debt0 * (1 + Tuning.PerpDebtInterest) - (crc4 + 100))) < 1e-6 || b4.Debt < debt0 * (1 + Tuning.PerpDebtInterest), "欠款计息，账户 CRC 先还");
            // 逾期没收、核销、拉黑
            var b5 = new PerpBook { DepthMult = 1e12, Debt = 500, DebtSince = 1 }; var a5 = NewAcct(0);
            Check(!b5.Night(5, new Dictionary<string, double> { ["PSC"] = 100 }, a5, pr).Any(e => e.Kind == "seize"), "没到 7 天不没收");
            Check(b5.Night(8, new Dictionary<string, double> { ["PSC"] = 100 }, a5, pr).Any(e => e.Kind == "seize"), "逾期触发没收");
            double wo = b5.ApplySeizure(200, 8);
            Check(wo > 300 && b5.Debt == 0 && b5.Banned(20) && !b5.Banned(8 + Tuning.PerpBanDays + 1), $"没收抵掉 200，核销 {wo:0}，拉黑 {Tuning.PerpBanDays} 天");
            // 资金费：价格高于 7 日均价时多头付、空头收
            var b6 = new PerpBook { DepthMult = 1e12 }; var a6 = NewAcct(5000);
            for (int d = 1; d <= 5; d++) b6.Night(d, new Dictionary<string, double> { ["PSC"] = 100 }, a6, pr);
            b6.Open(a6, "PSC", true, 1000, 2, 100, 5, pr);
            double m0 = b6.Of("PSC").Margin;
            b6.Night(6, new Dictionary<string, double> { ["PSC"] = 106 }, a6, pr);
            Check(b6.Rate("PSC") > 0 && b6.Of("PSC").Margin < m0, $"溢价时多头付资金费 {b6.Rate("PSC"):P2}");
            // 自动减仓：NPC 大行情穿仓抽干基金，盈利的空头只拿到一部分
            var b7 = new PerpBook { DepthMult = 1e12, InsuranceFund = 500 }; var a7 = NewAcct(5000);
            b7.Open(a7, "SPARK", false, 1000, 3, 10, 1, pr);
            b7.Night(2, new Dictionary<string, double> { ["SPARK"] = 10 }, a7, pr);
            var ev7 = b7.Night(3, new Dictionary<string, double> { ["SPARK"] = 3 }, a7, pr);
            Check(ev7.Any(e => e.Kind == "adl") && b7.Positions.Count == 0, "基金见底，盈利空头被自动减仓");
        });

        Test("CRA 质押池：计息、解锁期、污点随币、螺旋", () =>
        {
            Func<string, double> price = a => a == Assets.PSC ? 100 : 1;
            var w = new Wallet { Address = "0xa" }; w.Add(Assets.CRA, 1000); w.Add(Assets.PSC, 10); w.Taint = 400; w.Basis = 600;
            var st = new Staking();
            Check(!st.Stake(w, 2000, price), "余额不足不能质押");
            Check(st.Stake(w, 500, price) && Math.Abs(w.Get(Assets.CRA) - 500) < 1e-9, "质押 500，钱包剩 500");
            double lotTaint = st.Of("0xa").Taint;
            Check(Math.Abs(lotTaint - 400 * 500.0 / 2000) < 1e-6 && Math.Abs(w.Taint - (400 - lotTaint)) < 1e-6, $"污点按价值比例进仓位：{lotTaint}");
            var e1 = st.Night(1, Tuning.CraRate, _ => w);
            Check(Math.Abs(st.Of("0xa").Amount - 500 * (1 + Tuning.CraRate)) < 1e-9 && e1.Count == 1, "每晚计息并入本金");
            Check(!st.RequestUnstake("0xa", 9999, 1) && st.RequestUnstake("0xa", 200, 1), "申请取出 200");
            double a0 = st.Of("0xa").Amount;
            st.Night(2, Tuning.CraRate, _ => w);
            Check(Math.Abs(st.Of("0xa").Amount - a0 * (1 + Tuning.CraRate)) < 1e-9, "排队的部分不计息");
            Check(w.Get(Assets.CRA) < 501, "解锁期没到不能取");
            for (int d = 3; d <= 1 + Tuning.CraUnlockDays; d++) st.Night(d, Tuning.CraRate, _ => w);
            Check(Math.Abs(w.Get(Assets.CRA) - 700) < 1e-6, $"到期自动回钱包 200：{w.Get(Assets.CRA):0.##}");
            Check(w.Taint > 400 - lotTaint + 1, "污点按比例回来");
            // 螺旋：质押的 CRA 取回后只值当时的价格
            var s = new Stablecoins(); s.CraSpiralDay = 5;
            for (int d = 5; d <= 7; d++) s.Night(d, new Rng(1), 0);
            Check(s.Cra < 0.05 && s.Spark < Tuning.SparkStart * 0.1, $"螺旋后 CRA {s.Cra}，SPARK {s.Spark:0.00}");
        });

        Test("SPARK：随机游走有界，铸销来回只损手续费，事件冲击", () =>
        {
            double lo = 99, hi = 0;
            for (ulong seed = 1; seed <= 20; seed++)
            {
                var s = new Stablecoins(); var rng = new Rng(seed);
                for (int d = 1; d <= 150 && s.CraWarnDay < 0; d++) { s.Night(d, rng, 0); lo = Math.Min(lo, s.Spark); hi = Math.Max(hi, s.Spark); }   // 螺旋前
            }
            Check(lo >= Tuning.SparkStart * Tuning.SparkMinMult - 1e-9 && hi <= Tuning.SparkStart * Tuning.SparkMaxMult + 1e-9 && hi / lo > 1.5, $"螺旋前的范围 {lo:0.0}–{hi:0.0}");
            var s2 = new Stablecoins(); var w = new Wallet { Address = "w" }; w.Add(Assets.CRA, 100);
            double sp = s2.Mint(w, 100), back = s2.Burn(w, sp);
            Check(Math.Abs(back - 100 * Math.Pow(1 - Tuning.SparkFee, 2)) < 1e-6 && s2.Mint(w, 1e6) < 0, $"来回 100 → {back:0.00}，余额不足返回 -1");
            double before = s2.Spark; s2.OnEventStart(MarketEvent.RevRaidUpper, 1, new Rng(1));
            Check(Math.Abs(s2.Spark - before * Tuning.SparkRaidShock) < 1e-9, "袭击上层 +15%");
        });

        Test("相似地址、手续费、确认数", () =>
        {
            var rng = new Rng(21);
            int sameShort = 0;
            for (int i = 0; i < 300; i++)
            {
                string a = ChainAddress.Make(rng.NextUInt());
                string f = ChainAddress.Lookalike(a, rng);
                Check(ChainAddress.Valid(f) && !ChainAddress.Same(a, f) && f.Substring(0, 5) == a.Substring(0, 5), $"相似地址合法、不同、前缀相同：{a} / {f}");
                if (ChainAddress.Short(a) == ChainAddress.Short(f)) sameShort++;
            }
            Check(sameShort > 290, $"缩写看起来一样：{sameShort}/300");
            Check(TxRules.FeeCredits(FeeTier.Slow, false) < TxRules.FeeCredits(FeeTier.Normal, false) && TxRules.FeeCredits(FeeTier.Normal, false) < TxRules.FeeCredits(FeeTier.Fast, false), "慢 < 普通 < 快");
            Check(Math.Abs(TxRules.FeeCredits(FeeTier.Fast, true) - Tuning.TxFeeFast * Tuning.TxCongestedFeeMult) < 1e-9, "拥堵时手续费翻倍");
            Check(TxRules.Confirmations(100) == 3 && TxRules.Confirmations(5000) == 6 && TxRules.Confirmations(50000) == 12, "大额要更多确认");
            Check(TxRules.DropChance(FeeTier.Slow, true) > 0 && TxRules.DropChance(FeeTier.Slow, false) == 0 && TxRules.DropChance(FeeTier.Fast, true) == 0, "只有拥堵时的慢档会被丢");
            double lo = 9, hi = 0;
            for (int dd = 0; dd < 7; dd++) { double g = TxRules.GasCycle(dd, 2); lo = Math.Min(lo, g); hi = Math.Max(hi, g); }
            Check(Math.Abs(TxRules.GasCycle(3, 2) - TxRules.GasCycle(10, 2)) < 1e-9 && lo < 0.6 && hi > 1.4, $"gas 7 天一个周期，0.5×–1.5×：{lo:0.00}–{hi:0.00}");
            var gr = new Rng(4); bool inRange = true;
            for (int dd = 0; dd < 200; dd++) { double g = TxRules.Gas(dd, 0, gr); if (g < 0.5 * 0.85 - 1e-9 || g > 1.5 * 1.15 + 1e-9) inRange = false; }
            Check(inRange, "加上随机波动后仍在 0.425–1.725");
            Check(Math.Abs(TxRules.FeeCredits(FeeTier.Normal, false, 1.5) - Tuning.TxFeeNormal * 1.5) < 1e-9, "手续费乘 gas");
            var h = new List<TxRecord>();
            for (int i = 0; i < 30; i++) TxRules.Record(h, new TxRecord { Day = i });
            Check(h.Count == TxRules.HistoryMax && h[0].Day == 29, "记录最新在前、有上限");
        });

        Test("被投毒的钱包：门槛以下不转，越多越快，转空", () =>
        {
            Check(Wallet.DrainChance(Tuning.WalletDrainMin - 1) == 0, "门槛以下不会被转走");
            Check(Math.Abs(Wallet.DrainChance(Tuning.WalletDrainMin) - 1 / 7.0) < 1e-9, "刚到门槛：每晚 1/7（平均 7 天）");
            Check(Wallet.DrainChance(Tuning.WalletDrainFull) == 1 && Wallet.DrainChance(Tuning.WalletDrainFull * 3) == 1, "到满额当晚就转走");
            Check(Wallet.DrainChance(10000) > Wallet.DrainChance(5000), "钱越多越快");
            double mid = (Tuning.WalletDrainMin + Tuning.WalletDrainFull) / 2;
            Check(Math.Abs(Wallet.DrainDays(mid) - 4) < 1e-9 && Math.Abs(Wallet.DrainChance(mid) - 0.25) < 1e-9, "中间值：期望 4 天，每晚 25%");
            var rng = new Rng(9); double sum = 0; int n = 4000;
            for (int i = 0; i < n; i++) { int d = 1; while (!rng.Chance(Wallet.DrainChance(mid))) d++; sum += d; }
            Check(Math.Abs(sum / n - 4) < 0.25, $"模拟平均 {sum / n:0.00} 天被转走（期望 4）");
            var w = new Wallet { Address = "a" };
            w.Add(Assets.PSC, 50); w.Add(Assets.CRT, 1000); w.Taint = 300; w.Basis = 900; w.Freeze(Assets.CRT, 0.5, 9);
            double v = w.Drain(a => a == Assets.PSC ? 100 : 1);
            Check(Math.Abs(v - 6000) < 1e-6 && w.Balances.Count == 0 && w.Frozen.Count == 0 && w.Taint == 0 && w.Basis == 0, $"全部转走（含冻结），污点和成本清零：{v}");
        });

        Test("被标记的钱包转出可追踪的币，收款方也被标记；Ponero 不会", () =>
        {
            Func<string, double> price = x => 1;
            var f = new Wallet { Address = "f", Flagged = true }; f.Add(Assets.CRC, 100); f.Add(Assets.Ponero, 100);
            var p1 = new Wallet { Address = "p1" }; var p2 = new Wallet { Address = "p2" };
            Wallet.Transfer(f, p1, Assets.CRC, 10, price);
            Wallet.Transfer(f, p2, Assets.Ponero, 10, price);
            Check(p1.Flagged && !p2.Flagged, "CRC 带标记，Ponero 不带");
        });

        Test("多钱包：退款、出售回款、混币提回都回到原来的钱包", () =>
        {
            Func<string, double> price = a => a == Assets.PSC ? 100 : 1;
            var a = new Wallet { Address = "0xa" }; var b = new Wallet { Address = "0xb" };
            a.Add(Assets.CRT, 5000); b.Add(Assets.CRT, 5000);
            Func<string, Wallet> pick = addr => addr == "0xa" ? a : b;
            var mx = new Mixer();
            var dep = mx.Deposit(a, Assets.CRT, 1000, 1, 1, price);
            Check(dep.Wallet == "0xa", "混币存入记下钱包地址");
            mx.Night(pick, 2, price, new Rng(3));
            Check(mx.Pending.Count == 0 ? a.Get(Assets.CRT) > 4900 && b.Get(Assets.CRT) == 5000 : true, $"混币提回 A：A {a.Get(Assets.CRT):0}，B {b.Get(Assets.CRT):0}");
            var bm = new BlackMarket();
            bm.RefreshOrders(5, 80, new Rng(11), _ => 300);
            var seller = bm.Sellers.FindIndex(x => !x.Scam);
            bm.Sellers[seller].Scam = true;
            var l = bm.Catalog.First(x => x.Seller == seller);
            double bBefore = b.Get(Assets.CRT);
            var o = bm.Place(l, 1, PayMode.Escrow, b, Assets.CRT, 5, price);
            Check(o.Wallet == "0xb" && b.Get(Assets.CRT) < bBefore, "订单记下付款钱包");
            double aBefore = a.Get(Assets.CRT);
            for (int d = 6; d < 30 && o.State == OrderState.Pending; d++) bm.Night(d, false, pick, new Rng((ulong)d), 0, price);
            Check(o.State == OrderState.Refunded && Math.Abs(b.Get(Assets.CRT) - bBefore) < 1e-6 && a.Get(Assets.CRT) == aBefore, $"骗子托管退款回 B：{o.State}");
        });

        Test("预测市场：LMSR 定价、最大亏损、买卖", () =>
        {
            foreach (double p0 in new[] { 0.5, 0.08, 0.9 })
            {
                var m = PredictMarket.Create(1, PredictKind.Event, "x", "t", 0, 10, 11, 12, p0);
                Check(Math.Abs(m.PYes - p0) < 1e-9, $"初始价 = 先验 {p0}：{m.PYes:0.0000}");
                Check(Math.Abs(m.MaxLoss - PredictMarket.LossFor(10)) < 1e-6, "最大亏损等于预设");
                double cost = 100, sh = m.SharesFor(true, cost);
                Check(Math.Abs(m.BuyCost(true, sh) - cost) < 1e-6, $"闭式反解和成本函数一致（{p0}）");
                Check(Math.Abs(m.SellValue(true, 0)) < 1e-9, "卖 0 份收回 0");
                // 系统最大亏损：玩家买满一边，赢了系统最多亏 MaxLoss
                double paid = m.BuyCost(true, 5000);
                Check(5000 - paid <= m.MaxLoss + 1e-6, $"买得再多系统也亏不过最大亏损：{5000 - paid:0.0} ≤ {m.MaxLoss:0.0}");
                var m2 = PredictMarket.Create(1, PredictKind.Event, "x", "t", 0, 10, 11, 12, p0);
                double paidNo = m2.BuyCost(false, 5000);
                Check(5000 - paidNo <= m2.MaxLoss + 1e-6, "反方向同理");
                // 买了再卖：只损失手续费之外的价差为 0
                var m3 = PredictMarket.Create(1, PredictKind.Event, "x", "t", 0, 10, 11, 12, p0);
                double s3 = m3.SharesFor(true, 50);
                m3.QYes += s3;
                Check(Math.Abs(m3.SellValue(true, s3) - 50) < 1e-6, "原路卖回收回成本");
            }
        });

        Test("预测市场：买入、卖出、手续费、污点、持仓限制", () =>
        {
            Func<string, double> pr = a => 1;
            var acct = new Wallet { Address = "poinbase" };
            acct.Add(Assets.CRC, 1000); acct.Taint = 400; acct.Basis = 1000;
            var bk = new PredictBook();
            var m = PredictMarket.Create(++bk.Seq, PredictKind.Purity, "gutter", "t", 8500, 5, 6, 6, 0.5);
            bk.Markets.Add(m);
            Check(bk.Buy(acct, m, true, 0, 5, pr, false, out _) == PredictResult.Amount, "金额为 0 被拒");
            Check(bk.Buy(acct, m, true, 2000, 5, pr, false, out _) == PredictResult.Funds, "钱不够被拒");
            Check(bk.Buy(acct, m, true, 100, 6, pr, false, out _) == PredictResult.Closed, "窗口开始后封盘");
            var res = bk.Buy(acct, m, true, 102, 5, pr, false, out double sh);
            Check(res == PredictResult.Ok && sh > 0, "买入成功");
            var pos = bk.PosOf(m.Id, acct.Address);
            Check(Math.Abs(pos.Cost - 100) < 1e-6 && Math.Abs(acct.Get(Assets.CRC) - 898) < 1e-6, $"成本 100（手续费 2）：{pos.Cost:0.00}");
            Check(Math.Abs(pos.Taint - 40.8) < 1e-6 && Math.Abs(acct.Taint - 359.2) < 1e-6, $"污点按花掉的价值比例带进持仓：{pos.Taint:0.00}");
            Check(bk.Buy(acct, m, false, 10, 5, pr, false, out _) == PredictResult.Opposite, "不能同盘反方向");
            // 卖出：价差为 0，只付 2% 手续费
            double before = acct.Get(Assets.CRC);
            Check(bk.SellAll(acct, m, 5, out double got) == PredictResult.Ok && Math.Abs(got - 98) < 1e-6, $"原价卖回只扣手续费：{got:0.00}");
            Check(Math.Abs(acct.Get(Assets.CRC) - before - got) < 1e-6 && bk.PosOf(m.Id, acct.Address) == null, "回到账户");
            Check(acct.Taint < 400 && acct.Taint > 359.2, "卖回时污点按退回的比例回来");
            // 持仓上限
            var big = new Wallet { Address = "x" }; big.Add(Assets.CRC, 1e7);
            Check(bk.Buy(big, m, true, 1e6, 5, pr, false, out _) == PredictResult.Cap, "超过份额上限被拒");
            Check(bk.SellAll(acct, m, 5, out _) == PredictResult.NoPosition, "没持仓不能卖");
        });

        Test("预测市场：结算、作废、内幕被查、观测", () =>
        {
            Func<string, double> pr = a => 1;
            var rng = new Rng(5);
            var acct = new Wallet { Address = "poinbase" };
            acct.Add(Assets.CRC, 100000);
            var bk = new PredictBook();
            // 观测：第一晚没有 Prev，不算 Started
            bk.Night(4, new[] { "oxymoreWave" }, m => null, _ => acct, rng);
            Check(!bk.Started.ContainsKey(4), "第一晚没有对照，不记新出现的事件");
            var win = PredictMarket.Create(++bk.Seq, PredictKind.Event, "powerShortage", "停电", 0, 4, 5, 6, 0.2);
            var lose = PredictMarket.Create(++bk.Seq, PredictKind.Event, "blackout", "x", 0, 4, 5, 6, 0.2);
            var voided = PredictMarket.Create(++bk.Seq, PredictKind.Faction, "FACTION_SECURITY", "镇压", 0, 4, 5, 8, 0.2);
            bk.Markets.AddRange(new[] { win, lose, voided });
            bk.Buy(acct, win, true, 51, 4, pr, false, out double sw);
            bk.Buy(acct, lose, true, 51, 4, pr, false, out _);
            bk.Buy(acct, voided, true, 51, 4, pr, false, out _);
            double cash = acct.Get(Assets.CRC);
            bk.Night(5, new[] { "oxymoreWave", "powerShortage" }, bk.Happened, _ => acct, rng);
            Check(win.Outcome < 0 && lose.Outcome < 0, "窗口没结束不结算");
            var evs = bk.Night(6, new[] { "oxymoreWave", "powerShortage" }, bk.Happened, _ => acct, rng);
            Check(win.Outcome == -1 || bk.Markets.All(x => x.Id != win.Id), "到期的盘口移出列表");
            Check(evs.Any(e => e.Kind == "win" && e.Title == "停电" && Math.Abs(e.Amount - sw) < 1e-6), "押中兑付份数");
            Check(evs.Any(e => e.Kind == "lose" && e.Title == "x"), "押错没收");
            Check(Math.Abs(acct.Get(Assets.CRC) - cash - sw) < 1e-6, "账户只多了赢的那份");
            Check(bk.Markets.Count == 1 && bk.Markets[0].Id == voided.Id, "后面的窗口还没到");
            // 缺观测：8 号之前 7、8 的记录缺，到期作废退本金
            double c2 = acct.Get(Assets.CRC);
            var ev2 = bk.Night(9, new string[0], bk.Happened, _ => acct, rng);
            Check(ev2.Any(e => e.Kind == "void") && Math.Abs(acct.Get(Assets.CRC) - c2 - 50) < 1e-6, $"缺数据作废并退本金：{acct.Get(Assets.CRC) - c2:0.00}");
            // 内幕被查：持仓达到上限的 40% 就有概率；200 次里大约一半
            int caught = 0, wins = 0;
            for (int i = 0; i < 400; i++)
            {
                var b2 = new PredictBook(); var a2 = new Wallet { Address = "p" }; a2.Add(Assets.CRC, 1e6);
                var mk = PredictMarket.Create(++b2.Seq, PredictKind.Event, "e", "t", 0, 4, 5, 5, 0.1); b2.Markets.Add(mk);
                double target = Tuning.PredictInsiderShare * mk.ShareCap * 1.05, spend = 0;
                spend = (mk.BuyCost(true, target)) * (1 + Tuning.PredictFee);
                b2.Buy(a2, mk, true, spend, 4, pr, true, out _);
                var e = b2.Night(5, new string[0], mm => true, _ => a2, new Rng((ulong)(i + 1)));
                if (e[0].Kind == "caught") { caught++; Check(e[0].Fraud > 0 && e[0].Fraud <= Tuning.PredictFraudCap, "罪证有上限"); }
                else wins++;
            }
            Check(caught > 140 && caught < 260, $"内幕大单约一半被查：{caught}/400");
            // 小额内幕不会被查
            var b3 = new PredictBook(); var a3 = new Wallet { Address = "p" }; a3.Add(Assets.CRC, 1e6);
            var m3 = PredictMarket.Create(++b3.Seq, PredictKind.Event, "e", "t", 0, 4, 5, 5, 0.1); b3.Markets.Add(m3);
            b3.Buy(a3, m3, true, m3.BuyCost(true, 0.2 * m3.ShareCap) * 1.02, 4, pr, true, out _);
            Check(b3.Night(5, new string[0], mm => true, _ => a3, new Rng(1))[0].Kind == "win", "小额内幕安全");
            // 被查：只退本金
            var b4 = new PredictBook(); var a4 = new Wallet { Address = "p" }; a4.Add(Assets.CRC, 1e6);
            var m4 = PredictMarket.Create(++b4.Seq, PredictKind.Event, "e", "t", 0, 4, 5, 5, 0.1); b4.Markets.Add(m4);
            double s4 = m4.BuyCost(true, 0.5 * m4.ShareCap) * 1.02;
            b4.Buy(a4, m4, true, s4, 4, pr, true, out _);
            double c4 = a4.Get(Assets.CRC);
            for (ulong sd = 1; sd < 50; sd++)
            {
                var bb = new PredictBook(); bb.Markets.Add(m4); bb.Positions.AddRange(b4.Positions.Select(x => new PredictPos { Market = x.Market, Wallet = x.Wallet, Yes = x.Yes, Shares = x.Shares, Cost = x.Cost, Insider = x.Insider }));
                var aa = new Wallet { Address = "p" };
                m4.Outcome = -1;
                var ee = bb.Night(5, new string[0], mm => true, _ => aa, new Rng(sd));
                if (ee[0].Kind == "caught") { Check(Math.Abs(aa.Get(Assets.CRC) - (b4.Positions[0].Cost)) < 1e-6, "被查只退本金"); break; }
            }
        });

        Test("预测市场：多钱包持仓各回各的钱包，限额与内幕按盘口合计", () =>
        {
            Func<string, double> pr = a => 1;
            var w1 = new Wallet { Address = "0xa" }; var w2 = new Wallet { Address = "0xb" };
            w1.Add(Assets.CRC, 1e6); w2.Add(Assets.CRC, 1e6);
            Func<string, Wallet> pick = ad => ad == "0xa" ? w1 : w2;
            var bk = new PredictBook();
            var m = PredictMarket.Create(++bk.Seq, PredictKind.Event, "e", "t", 0, 4, 5, 5, 0.1); bk.Markets.Add(m);
            double half = Tuning.PredictInsiderShare * m.ShareCap * 0.6;
            Check(bk.Buy(w1, m, true, m.BuyCost(true, half) * 1.02, 4, pr, true, out _) == PredictResult.Ok, "钱包 A 买入");
            Check(bk.Buy(w2, m, false, 10, 4, pr, false, out _) == PredictResult.Opposite, "另一个钱包也不能买对面");
            Check(bk.Buy(w2, m, true, m.BuyCost(true, half) * 1.02, 4, pr, true, out _) == PredictResult.Ok, "钱包 B 买入同一边");
            Check(bk.PosAll(m.Id).Count == 2 && bk.PosOf(m.Id, "0xa") != null && bk.PosOf(m.Id, "0xb") != null, "每个钱包各一个持仓");
            Check(bk.SellAll(w2, m, 4, out double got) == PredictResult.Ok && got > 0 && bk.PosOf(m.Id, "0xb") == null && bk.PosOf(m.Id, "0xa") != null, "卖出只动自己钱包的持仓");
            Check(bk.Buy(w2, m, true, m.BuyCost(true, half) * 1.02, 4, pr, true, out _) == PredictResult.Ok, "再买");
            // 两边各 0.6×查处线，合计超线：拆钱包躲不过
            int caught = 0;
            for (ulong sd = 1; sd <= 60; sd++)
            {
                var b2 = new PredictBook(); b2.Markets.Add(new PredictMarket { Id = m.Id, Kind = m.Kind, Key = m.Key, Title = m.Title, FromDay = 5, ToDay = 5, P0 = m.P0, B = m.B, QYes = m.QYes, QNo = m.QNo });
                foreach (var p in bk.Positions) b2.Positions.Add(new PredictPos { Market = p.Market, Wallet = p.Wallet, Yes = p.Yes, Shares = p.Shares, Cost = p.Cost, Insider = p.Insider });
                double a0 = w1.Get(Assets.CRC), b0 = w2.Get(Assets.CRC);
                var ev = b2.Night(5, new string[0], x => true, pick, new Rng(sd));
                if (ev[0].Kind == "caught") caught++;
                else Check(w1.Get(Assets.CRC) > a0 && w2.Get(Assets.CRC) > b0, "赢了各自的钱包都收到兑付");
                w1.Balances[Assets.CRC] = a0; w2.Balances[Assets.CRC] = b0;
            }
            Check(caught > 15 && caught < 45, $"分到两个钱包的内幕持仓合计后约一半被查：{caught}/60");
        });

        Test("预测市场：先验概率", () =>
        {
            Check(Math.Abs(PredictMath.PurityAtLeast(8500, 8000, 8999) - 0.5) < 1e-9, "纯度 8500 以上一半");
            Check(PredictMath.PurityAtLeast(7000, 8000, 8999) == 1 && PredictMath.PurityAtLeast(9500, 8000, 8999) == 0, "越界取 0 和 1");
            double p3 = PredictMath.EventProb(0.4, 15, 150, 3);
            Check(Math.Abs(p3 - (1 - Math.Pow(1 - 0.04, 3))) < 1e-12, "事件概率：每天的概率连乘");
            Check(PredictMath.FactionProb(1) > 0 && PredictMath.FactionProb(3) > PredictMath.FactionProb(1), "天数越长概率越大");
            Check(Math.Abs(PredictMath.Phi(0) - 0.5) < 1e-6 && PredictMath.Phi(1.96) > 0.974 && PredictMath.Phi(1.96) < 0.976, "正态分布函数");
            // 行情先验和 Market 的真实过程对得上
            foreach (var (mult, nights) in new[] { (1.0, 1), (1.1, 2), (0.9, 3), (1.2, 4) })
            {
                int hit = 0, n = 3000;
                for (int i = 0; i < n; i++)
                {
                    var mk = Market.CreateDefault(20);
                    var rng = new Rng((ulong)(i * 7 + 3));
                    double start = mk.Price, anchor = mk.Anchor(new List<MarketEvent>());
                    double thr = start * mult;
                    for (int k = 0; k < nights; k++) { mk.Night(new List<MarketEvent>(), rng, 20 + k, a => 1); mk.Open(new List<MarketEvent>(), rng, 21 + k); }
                    if (mk.Price >= thr) hit++;
                }
                double sim = hit / (double)n, calc = PredictMath.PriceAtLeast(Market.CreateDefault(20).Price, Market.CreateDefault(20).Anchor(new List<MarketEvent>()), Tuning.PscVol, Tuning.Revert, nights, Market.CreateDefault(20).Price * mult);
                Check(Math.Abs(sim - calc) < 0.04, $"行情先验 ×{mult} {nights} 晚：模拟 {sim:0.000} vs 公式 {calc:0.000}");
            }
        });

        Console.WriteLine($"\n{_passed} 通过，{_failed} 失败");
        return _failed == 0 ? 0 : 1;
    }
}

internal sealed class SaveBundle
{
    public Market Market;
    public Stablecoins Stable;
    public Network Network;
    public Wallet Hot;
    public Exchange Exchange;
    public Rng Rng;
}