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).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, 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");
            // 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");
            // 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).Select(x => x.Type).Distinct().Count() != bm.Sellers.Count(x => x.Type != MerchantType.Bulk)) 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 == 7, $"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.Mods, 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.Mods }.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");
        });

        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;
}