Black market merchant shelves, bulk discount, bulk merchants, volume-driven taint, list-all

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

CHANGELOG.md

@@ -26,6 +26,8 @@
 - 游戏内验证：货架显示显卡、模组、能量电池；买一张卡后出售页列出储藏区里的货，上架（标价 400，上架费 20），过夜成交（货款 368），3 天后到账（CRT 2804 → 3172，这次随机没带污点）。没有在游戏里验证：假卡退货、跑路时的出售损失（只有单元测试）。
 
 - 收尾核算（`research/sim/bm_econ.py`，按 Tuning 常量算期望）：Ponero 来回 15.4%，与混币器洗掉 80% 污点的 15–18% 相当，但当天完成、清得彻底、不受制裁，所以手续费 8% → 10%（来回 19%），日额度 1000 → 600（日额度按钱包污点占比估，约够清掉稳态的污点流入，后期会成为瓶颈）；出售的最优倍率取决于玩家的资金机会成本：每天 1% 时 ×1.8，2–3% 时 ×1.5，倍率不是越高越好；订单：托管期望净 +0.02、提前放款 +0.07（现货 −0.30），所以订单是便宜进货，不是赚钱路线；订单进货再挂高价出售的套利每件约 +0.13–0.18（20 天一轮，资金占用），量小，暂不限制上架数。
+- 订单改成商家货架（用户意见）：黑市页"订单"改名"商家"，每周从 6 种类型里抽 5 家（全新矿卡经销商、二手矿卡贩子、模组高科技、军火、证件芯片、药物），另有 25% 的周出现一家大宗商家（库存 10–25 件、价格系数 0.55–0.75、送货 6 天）。每家有自己的价格系数（订单价 = 基础价 × 系数，一般 0.70–0.95，全新卡 0.85–1.00，二手卡 0.65–0.90），每家 4 种货、库存 3–6 件。一次订 5 件以上 95 折、10 件以上 9 折。界面：件数按钮 ×1 / ×5 / ×10，商家按钮，所选商家的货架。药物（药片、梦尘、管制化学品）只在药物商家和大宗商家出现，也能转手出售。每周货架总值在游戏里抽样 60 周平均 13.2k（目标 1.4 万）。
+- 出售：货款污点随近 7 天成交额加重（成交额达 1.4 万时概率与比例各加 30%）；出售页加"全部上架"按钮。套利核算（`bm_econ.py`，商家系数均值 0.825 再加批量折扣）：普通商家提前放款进货 + ×1.5 出售每件约 +21%，大宗商家约 +33%，一周可买的货约 1.3 万，带污点的货款约够吃满 Ponero 日额度。
 - 调整（用户意见）：Ponero 手续费 10% → 6%（一进一出约 12%），日额度 600 → 1000；混币器每轮手续费 4% → 3%。黑市货架上的显卡有 15% 是全新卡（成色 100，封条完好，不会是假卡），标签显示"全新"。全新卡只有单元测试，没有在游戏里见过。
 - 收尾验证（游戏内）：黑市每周刷新（第 8 天自动刷出 5 种现货、8 种订单目录）；蜜罐追查到期记罪证 300；假卡上架 8 件，有一件被看穿退货（好评下降）；其余成交后到账，其中一笔带污点；受控交付选"签收。"记罪证 136、货被查封；镇压期间黑市页显示下线（改成实时读取游戏事件，原来要等过夜才更新）。
 - 没有在游戏里验证：平台跑路时订单和出售一起清零（单元测试覆盖）、死投点已删除。

src/Decentralized.Domain/BlackMarket.cs

@@ -47,6 +47,12 @@ namespace Decentralized.Domain
             P("shotgun", 3), P("smg", 3), P("c4", 3), P("cmd_keycard", 3), P("crypto_module_sec", 3),
         };
 
+        /// <summary>药品池：只有药物商家卖，也能转手出售。</summary>
+        public static readonly KeyValuePair<string, int>[] PharmaPool =
+        {
+            P("unlicensed_phagimycin_pill", 2), P("dream_dust", 2), P("restricted_chemical", 2), P("fanta_pill", 3), P("nightmare_dust", 3),
+        };
+
         /// <summary>高科技物品池（不是违禁品，黑市上要加价）：矿机能用上的系统模组、能量电池、能量阵列，和矿架本身。</summary>
         public static readonly string[] TechPool =
         {

src/Decentralized.Domain/BmOrders.cs

@@ -5,6 +5,8 @@ using System.Linq;
 namespace Decentralized.Domain
 {
     public enum PayMode { Escrow, Advance }
+    /// <summary>商家类型：全新矿卡经销商、二手矿卡贩子、模组高科技、军火、证件芯片、药物，大宗商家随机出现。</summary>
+    public enum MerchantType { GpuNew, GpuUsed, Mods, Arms, Docs, Pharma, Bulk }
     public enum OrderState { Pending, Ready, Done, Refunded, Lost }
 
     /// <summary>黑市上的卖家：成交数与好评率公开；是不是骗子是隐藏的。</summary>
@@ -14,14 +16,19 @@ namespace Decentralized.Domain
         public int Trades;
         public int Rating;   // 好评率 %
         public bool Scam;
+        public MerchantType Type;
+        /// <summary>商家的价格系数（订单价 = 基础价 × 系数，各家不同）。</summary>
+        public double Factor;
+        public int Days => Type == MerchantType.Bulk ? Tuning.BmBulkDays : Tuning.BmDoorDays;
         /// <summary>只有成交数够多的卖家才接受提前放款。</summary>
         public bool Advance => Trades >= Tuning.BmAdvanceMinTrades;
     }
 
-    /// <summary>订单目录里的一件货：卖家、货、价格（订单价，已折扣）。</summary>
+    /// <summary>商家货架上的一种货：卖家、货、单价（订单价）、库存。</summary>
     public sealed class BmListing : BmGood
     {
         public int Seller;
+        public int Qty;
     }
 
     public sealed class BmOrder
@@ -30,6 +37,7 @@ namespace Decentralized.Domain
         public string Seller;
         public bool SellerScam;
         public PayMode Mode;
+        public int Count = 1;
         public string Model, FakeOf;
         public double Health;
         public int Price;
@@ -87,47 +95,114 @@ namespace Decentralized.Domain
         /// <summary>托管中和已提前放款但尚未交付的资金（信用点），平台跑路的概率随它增加。</summary>
         public double Held => Orders.Where(o => o.State == OrderState.Pending).Sum(o => (double)o.Price) + HeldSales;
 
-        public static int OrderPrice(long baseValue, GoodKind k = GoodKind.Contraband) => (int)Math.Max(1, Math.Round(baseValue * (1 + Extra(k)) * (1 - Tuning.BmOrderDiscount)));
+        /// <summary>批量折扣：一次订 5 件以上 95 折，10 件以上 9 折。</summary>
+        public static double BulkDiscount(int count) => count >= Tuning.BmBulk2Count ? Tuning.BmBulk2Discount : count >= Tuning.BmBulk1Count ? Tuning.BmBulk1Discount : 0;
+        public static int OrderTotal(int unit, int count) => (int)Math.Max(1, Math.Round(unit * count * (1 - BulkDiscount(count))));
         public static int EscrowFee(int price) => (int)Math.Ceiling(price * Tuning.BmEscrowFee);
         /// <summary>下单实付（信用点）：托管 = 订单价 + 托管费；提前放款 = 订单价打折。</summary>
         public static int Pay(int price, PayMode m) => m == PayMode.Escrow ? price + EscrowFee(price) : (int)Math.Round(price * (1 - Tuning.BmAdvanceDiscount));
 
         public double RugChance => Math.Min(Tuning.BmRugMax, Tuning.BmRugBase + Held / 10000.0 * Tuning.BmRugPerTenK);
 
-        /// <summary>每周重新生成卖家、目录和论坛情报（与现货同一天刷新）。</summary>
+        private static readonly MerchantType[] Regular = { MerchantType.GpuNew, MerchantType.GpuUsed, MerchantType.Mods, MerchantType.Arms, MerchantType.Docs, MerchantType.Pharma };
+
+        private static double F(Rng rng, double lo, double hi) => lo + rng.NextDouble() * (hi - lo);
+
+        /// <summary>商家类型对应的货（含货种、库存），按声望放开违禁等级。</summary>
+        private List<BmListing> MerchantGoods(int idx, BmSeller s, int day, int rep, Rng rng, Func<string, long> value)
+        {
+            var list = new List<BmListing>();
+            int n = s.Type == MerchantType.Bulk ? 2 : Tuning.BmMerchantListings;
+            var contra = new List<KeyValuePair<string, int>>();
+            switch (s.Type)
+            {
+                case MerchantType.Arms: contra = Pool.Where(x => ArmsIds.Contains(x.Key)).ToList(); break;
+                case MerchantType.Docs: contra = Pool.Where(x => !ArmsIds.Contains(x.Key)).ToList(); break;
+                case MerchantType.Pharma: contra = PharmaPool.ToList(); break;
+                case MerchantType.Bulk: contra = Pool.Concat(PharmaPool).ToList(); break;
+            }
+            contra = contra.Where(x => x.Value <= MaxLevel(rep)).ToList();
+            var tech = TechPool.ToList();
+            var gpus = UsedDealers.Pool(day);
+            for (int i = 0; i < n; i++)
+            {
+                int qty = s.Type == MerchantType.Bulk ? rng.Range(Tuning.BmBulkQtyMin, Tuning.BmBulkQtyMax) : s.Type == MerchantType.GpuNew ? rng.Range(Math.Max(1, Tuning.BmQtyMin - 1), Tuning.BmQtyMax - 2) : rng.Range(Tuning.BmQtyMin, Tuning.BmQtyMax);
+                double jitter = F(rng, 0.97, 1.03);
+                BmListing l = null;
+                bool gpuKind = s.Type == MerchantType.GpuNew || s.Type == MerchantType.GpuUsed;
+                if (s.Type == MerchantType.Bulk) gpuKind = false;
+                if (gpuKind)
+                {
+                    bool fresh = s.Type == MerchantType.GpuNew;
+                    var c = UsedDealers.Card(gpus, fresh ? 0 : Tuning.BmGpuFake, 0, rng);
+                    if (fresh) c.Health = 100;
+                    l = new BmListing { Item = "gpu:" + c.Model, Kind = GoodKind.Gpu, Level = 2, Model = c.Model, FakeOf = c.FakeOf, Health = c.Health, Price = (int)Math.Max(1, Math.Round(CardValue.Of(c.Model, c.Health) * s.Factor * jitter)) };
+                }
+                else if (s.Type == MerchantType.Mods || (s.Type == MerchantType.Bulk && tech.Count > 0 && (contra.Count == 0 || rng.Chance(0.4))))
+                {
+                    if (tech.Count == 0) continue;
+                    int k = rng.Range(0, tech.Count - 1);
+                    string id = tech[k]; tech.RemoveAt(k);
+                    long v = value(id);
+                    if (v <= 0) continue;
+                    l = new BmListing { Item = id, Kind = GoodKind.Tech, Level = 3, Price = (int)Math.Max(1, Math.Round(v * s.Factor * jitter)) };
+                }
+                else
+                {
+                    if (contra.Count == 0) continue;
+                    int k = rng.Range(0, contra.Count - 1);
+                    var pick = contra[k]; contra.RemoveAt(k);
+                    long v = value(pick.Key);
+                    if (v <= 0) continue;
+                    l = new BmListing { Item = pick.Key, Kind = GoodKind.Contraband, Level = pick.Value, Price = (int)Math.Max(1, Math.Round(v * s.Factor * jitter)) };
+                }
+                l.Seller = idx; l.Qty = qty;
+                list.Add(l);
+            }
+            return list;
+        }
+
+        private static readonly HashSet<string> ArmsIds = new HashSet<string> { "handmade_pistol", "printed_gun", "stun_baton", "revolver", "heavy_handmade_pistol", "flashbang_grenade", "smoke_grenade", "shotgun", "smg", "c4" };
+
+        /// <summary>每周重新生成商家、货架和论坛情报（与现货同一天刷新）：从 6 种类型里抽 BmMerchantCount 家，另有概率出现一家大宗商家。</summary>
         public void RefreshOrders(int day, int rep, Rng rng, Func<string, long> value)
         {
             Sellers.Clear(); Catalog.Clear(); Forum.Clear();
-            for (int i = 0; i < Tuning.BmSellerCount; i++)
+            var types = Regular.OrderBy(_ => rng.NextDouble()).Take(Tuning.BmMerchantCount).ToList();
+            if (rng.Chance(Tuning.BmBulkChance)) types.Add(MerchantType.Bulk);
+            foreach (var t in types)
             {
                 bool scam = rng.Chance(Tuning.BmScamSellerShare);
                 // 骗子多半是新号，也有刷过好评的老号
                 bool fresh = scam ? rng.Chance(0.6) : rng.Chance(0.25);
+                double lo = t == MerchantType.GpuNew ? Tuning.BmFactorNewMin : t == MerchantType.GpuUsed ? Tuning.BmFactorUsedMin : t == MerchantType.Bulk ? Tuning.BmFactorBulkMin : Tuning.BmFactorMin;
+                double hi = t == MerchantType.GpuNew ? Tuning.BmFactorNewMax : t == MerchantType.GpuUsed ? Tuning.BmFactorUsedMax : t == MerchantType.Bulk ? Tuning.BmFactorBulkMax : Tuning.BmFactorMax;
                 var s = new BmSeller
                 {
                     Name = NameA[rng.Range(0, NameA.Length - 1)] + "_" + NameB[rng.Range(0, NameB.Length - 1)] + rng.Range(1, 99),
-                    Scam = scam,
+                    Scam = scam, Type = t, Factor = F(rng, lo, hi),
                     Trades = fresh ? rng.Range(1, 12) : rng.Range(25, 220),
                     Rating = scam && !fresh ? rng.Range(94, 99) : fresh ? rng.Range(70, 100) : rng.Range(90, 99),
                 };
                 Sellers.Add(s);
                 if (scam && rng.Chance(0.5)) Forum.Add("scam:" + s.Name);
             }
-            int n = 0;
-            foreach (var g in Roll(Tuning.BmSellerCount * 2, day, rep, rng, value, OrderPrice))
-                Catalog.Add(new BmListing { Seller = n++ % Sellers.Count, Item = g.Item, Kind = g.Kind, Level = g.Level, Price = g.Price, Model = g.Model, FakeOf = g.FakeOf, Health = g.Health });
+            for (int i = 0; i < Sellers.Count; i++) Catalog.AddRange(MerchantGoods(i, Sellers[i], day, rep, rng, value));
             if (RugChance > Tuning.BmRugBase * 3) Forum.Add("rug");
         }
 
+        /// <summary>目录里全部货按订单价算的总值（信用点），用来核对每周周转量。</summary>
+        public double CatalogValue => Catalog.Sum(l => (double)l.Price * l.Qty);
+
         /// <summary>下单：钱包里的币按实付折算扣除，污点与成本按比例留在卖家那边（记在订单上）。成功返回订单。</summary>
-        public BmOrder Place(BmListing l, PayMode mode, Wallet w, string asset, int day, Func<string, double> price)
+        public BmOrder Place(BmListing l, int count, PayMode mode, Wallet w, string asset, int day, Func<string, double> price)
         {
-            if (l == null || asset == Assets.CRC || Closed(day)) return null;
+            if (l == null || count < 1 || count > l.Qty || asset == Assets.CRC || Closed(day)) return null;
             var seller = Sellers[l.Seller];
             if (mode == PayMode.Advance && !seller.Advance) return null;
             double p = price(asset);
             if (p <= 0) return null;
-            int credits = Pay(l.Price, mode);
+            int credits = Pay(OrderTotal(l.Price, count), mode);
             double qty = credits / p;
             if (w.Avail(asset) + 1e-9 < qty) return null;
             double total = w.Value(price);
@@ -137,9 +212,11 @@ namespace Decentralized.Domain
             w.Add(asset, -qty);
             var o = new BmOrder
             {
-                Item = l.Item, Seller = seller.Name, SellerScam = seller.Scam, Mode = mode, Model = l.Model, FakeOf = l.FakeOf, Health = l.Health, Price = credits, Asset = asset, Qty = qty,
-                Taint = taint, Basis = basis, PlacedDay = day, DueDay = day + Tuning.BmDoorDays,
+                Item = l.Item, Seller = seller.Name, SellerScam = seller.Scam, Mode = mode, Count = count, Model = l.Model, FakeOf = l.FakeOf, Health = l.Health, Price = credits, Asset = asset, Qty = qty,
+                Taint = taint, Basis = basis, PlacedDay = day, DueDay = day + seller.Days,
             };
+            l.Qty -= count;
+            if (l.Qty <= 0) Catalog.Remove(l);
             Orders.Add(o);
             if (Honeypot(day)) Traps.Add(new BmTrap { Day = day + Tuning.BmTrapDelay, Amount = credits, Why = "honeypot", Item = l.Item });
             return o;

src/Decentralized.Domain/BmSales.cs

@@ -46,6 +46,13 @@ namespace Decentralized.Domain
         /// <summary>每晚成交的概率：1 / 期望天数，乘好评系数（好评 90 为 1，封顶 1.1），最多 1。</summary>
         public double SaleChance(double m) => Math.Min(1, 1 / ExpectedDays(m) * Math.Min(1.1, Rating / (double)Tuning.BmRatingStart));
 
+        /// <summary>近 7 天成交额推高的污点加成：出售量越大，货款越容易带污点、比例越高。</summary>
+        public double VolumeTaint(int day)
+        {
+            double v = Sales.Where(x => (x.State == SaleState.Sold || x.State == SaleState.Paid) && day - (x.PayDay - Tuning.BmSaleHold) <= 7).Sum(x => (double)x.Proceeds);
+            return Math.Min(Tuning.BmVolumeTaintMax, v / Tuning.BmVolumeRef * Tuning.BmVolumeTaintMax);
+        }
+
         public static int ListPriceOf(long refValue, double m) => (int)Math.Max(1, Math.Round(refValue * m));
         public static int ListFee(int listPrice) => (int)Math.Ceiling(listPrice * Tuning.BmListFee);
 
@@ -88,7 +95,8 @@ namespace Decentralized.Domain
                 }
                 s.State = SaleState.Sold;
                 s.Proceeds = (int)Math.Round(s.ListPrice * (1 - Tuning.BmCommission));
-                s.Taint = rng.Chance(TaintChance(s.Mult)) ? s.Proceeds * TaintRatio(s.Mult) : 0;
+                double vb = VolumeTaint(day);
+                s.Taint = rng.Chance(Math.Min(1, TaintChance(s.Mult) + vb)) ? s.Proceeds * Math.Min(1, TaintRatio(s.Mult) + vb) : 0;
                 s.PayDay = day + Tuning.BmSaleHold;
                 Rating = Math.Min(100, Rating + 1);
                 if (Honeypot(day)) Traps.Add(new BmTrap { Day = day + Tuning.BmTrapDelay, Amount = s.Proceeds, Why = "honeypot", Item = s.Item });

src/Decentralized.Domain/Tuning.cs

@@ -91,9 +91,9 @@ namespace Decentralized.Domain
         public const double PoneroFee = 0.06, PoneroDailyCap = 1000, PoneroPscRatio = 0.5;
         /// <summary>黑市订单：订单价相对游戏基础价的折扣、托管费、提前放款再折扣、提前放款所需卖家成交数、上门的天数、
         /// 上门被截获的概率（镇压期间再加）、骗子卖家占比、每晚平台跑路基础概率与每万信用点托管资金加的概率（封顶）、跑路后关闭的天数。</summary>
-        public const double BmOrderDiscount = 0.15, BmEscrowFee = 0.05, BmAdvanceDiscount = 0.10, BmInterceptDoor = 0.08, BmInterceptCrackdown = 0.15;
+        public const double BmEscrowFee = 0.05, BmAdvanceDiscount = 0.10, BmInterceptDoor = 0.08, BmInterceptCrackdown = 0.15;
         public const double BmScamSellerShare = 0.15, BmRugBase = 0.002, BmRugPerTenK = 0.004, BmRugMax = 0.05;
-        public const int BmAdvanceMinTrades = 30, BmDoorDays = 3, BmRugClosedDays = 10, BmSellerCount = 4;
+        public const int BmAdvanceMinTrades = 30, BmDoorDays = 3, BmRugClosedDays = 10;
         /// <summary>蜜罐：每晚平台被执法接管的基础概率、每点治安声望加的概率、封顶、持续天数；之后订单被追查的延迟天数；
         /// 订单被截获时变成受控交付的概率；每晚某个近期卖家落网的概率。</summary>
         public const double BmHoneypotBase = 0.01, BmHoneypotPerSecRep = 0.0004, BmHoneypotMax = 0.06, BmControlled = 0.35, BmSellerBust = 0.008;
@@ -106,6 +106,14 @@ namespace Decentralized.Domain
         public const double BmSellDaysFast = 1, BmSellDays1 = 2, BmSellDaysMax = 14;
         public const double BmSaleTaintChanceMin = 0.2, BmSaleTaintChanceMax = 0.9, BmSaleTaintRatioMin = 0.2, BmSaleTaintRatioMax = 0.8;
         public const int BmSaleHold = 3, BmRatingStart = 90, BmRatingFakeLoss = 10;
+        /// <summary>商家货架：每周的商家数（从 6 种类型里抽）、每家的货种数、每种货的库存范围；大宗商家出现概率、库存范围、送货天数；
+        /// 各类商家的价格系数范围（订单价 = 基础价 × 系数）；批量折扣档（件数、折扣）。</summary>
+        public const int BmMerchantCount = 5, BmMerchantListings = 4, BmQtyMin = 3, BmQtyMax = 6, BmBulkQtyMin = 10, BmBulkQtyMax = 25, BmBulkDays = 6;
+        public const double BmBulkChance = 0.25, BmFactorMin = 0.70, BmFactorMax = 0.95, BmFactorNewMin = 0.85, BmFactorNewMax = 1.00, BmFactorUsedMin = 0.65, BmFactorUsedMax = 0.90, BmFactorBulkMin = 0.55, BmFactorBulkMax = 0.75;
+        public const int BmBulk1Count = 5, BmBulk2Count = 10;
+        public const double BmBulk1Discount = 0.05, BmBulk2Discount = 0.10;
+        /// <summary>出售量越大货款越容易带污点：近 7 天成交额达到参考量时，污点概率与比例各加最多 BmVolumeTaintMax。</summary>
+        public const double BmVolumeRef = 14000, BmVolumeTaintMax = 0.30;
         /// <summary>黑市人脉升级的价格。</summary>
         public const int BmUnlockPrice = 1500;
         /// <summary>单个金融违规事件记入的罪证上限。</summary>

src/Decentralized/BlackDelivery.cs

@@ -56,7 +56,7 @@ namespace Decentralized
             if (it == null || it.identifier == null) return null;
             if (Items.IsGpu(it)) return "gpu:" + Items.ToUnit(it).Model;
             string id = it.identifier;
-            return BlackMarket.Pool.Any(x => x.Key == id) || BlackMarket.TechPool.Contains(id) ? id : null;
+            return BlackMarket.Pool.Any(x => x.Key == id) || BlackMarket.PharmaPool.Any(x => x.Key == id) || BlackMarket.TechPool.Contains(id) ? id : null;
         }
 
         public static System.Collections.Generic.List<GameItem> Sellable() =>
@@ -81,7 +81,7 @@ namespace Decentralized
             if (force) d.Black.RefreshedDay = -999;
             if (!d.Black.Refresh(day, rep, d.Rng, Value)) return false;
             d.Black.RefreshOrders(day, rep, d.Rng, Value);
-            Log.Info($"黑市刷新（第 {day} 天）：现货 {d.Black.Offers.Count} 种，订单目录 {d.Black.Catalog.Count} 种，高科技 {d.Black.Offers.Count(o => o.Kind == GoodKind.Tech)}，显卡 {d.Black.Offers.Count(o => o.Kind == GoodKind.Gpu)}");
+            Log.Info($"黑市刷新（第 {day} 天）：现货 {d.Black.Offers.Count} 种，商家 {d.Black.Sellers.Count} 家（{string.Join("/", d.Black.Sellers.Select(x => x.Type))}），货架 {d.Black.Catalog.Count} 种共 {d.Black.CatalogValue:0} 信用点，高科技 {d.Black.Offers.Count(o => o.Kind == GoodKind.Tech)}，显卡 {d.Black.Offers.Count(o => o.Kind == GoodKind.Gpu)}");
             return true;
         }
 
@@ -195,9 +195,9 @@ namespace Decentralized
             var d = Session.Data;
             foreach (var o in d.Black.Ready.Where(x => !x.Controlled).ToList())
             {
-                Items.Give(Make(o.Item, o.Model, o.FakeOf, o.Health));
+                for (int i = 0; i < o.Count; i++) Items.Give(Make(o.Item, o.Model, o.FakeOf, o.Health));
                 d.Black.Deliver(o);
-                Log.Info($"黑市快递：{o.Item}{(o.FakeOf != null ? "（假卡，真身 " + o.FakeOf + "）" : "")} 已放进储藏区");
+                Log.Info($"黑市快递：{o.Item} ×{o.Count}{(o.FakeOf != null ? "（假卡，真身 " + o.FakeOf + "）" : "")} 已放进储藏区");
             }
             Session.Save();
         }

src/Decentralized/CoinCustomers.cs

@@ -58,6 +58,19 @@ namespace Decentralized
                 BlackDelivery.Restock(d, StoreStation.GetDayCounter(), true);
                 Log.Info($"黑市：声望 {StoreReputation.GetBMReputation()}，上架 {d.Black.Offers.Count} 种：{string.Join(", ", d.Black.Offers.Select(o => o.Item + "×" + o.Qty + "@" + o.Price))}，解锁 {Unlock.BlackUnlocked}");
             }));
+            ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Black market sample (test)", () => Log.Guard("黑市抽样（测试）", () =>
+            {
+                var d = Session.Data;
+                int day = StoreStation.GetDayCounter();
+                var vals = new System.Collections.Generic.List<double>();
+                var tech = new System.Collections.Generic.List<double>();
+                for (int i = 0; i < 60; i++)
+                {
+                    BlackDelivery.Restock(d, day, true);
+                    vals.Add(d.Black.CatalogValue);
+                }
+                Log.Info($"黑市抽样：60 周货架总值 平均 {vals.Average():0}，最小 {vals.Min():0}，最大 {vals.Max():0}");
+            }));
             ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Black market events (test)", () => Log.Guard("黑市事件（测试）", () =>
             {
                 var d = Session.Data;
@@ -68,7 +81,7 @@ namespace Decentralized
                 var l = d.Black.Catalog.FirstOrDefault();
                 if (l != null)
                 {
-                    var o = d.Black.Place(l, PayMode.Escrow, w, Assets.CRT, day, Session.Price);
+                    var o = d.Black.Place(l, 1, PayMode.Escrow, w, Assets.CRT, day, Session.Price);
                     if (o != null) { o.State = OrderState.Ready; o.Controlled = true; }
                 }
                 Log.Info($"黑市事件（测试）：追查 300 今晚到期，假卡上架 8 件，受控订单 {d.Black.Orders.Count(x => x.Controlled)} 个");

src/Decentralized/ModFiles/Localization/en.csv

@@ -224,12 +224,12 @@ black.desk.in,Into Ponero
 black.desk.out,Out of Ponero
 black.desk.go,Swap
 black.desk.fail,Swap failed: balance, limit or amount is wrong.
-black.sub.orders,Orders
+black.sub.orders,Merchants
 black.sub.mine,My orders & intel
 black.rugged,"The platform is down; nobody will reopen for {0} more days."
 black.seller,"{0}, {1} trades, {2}%"
 black.orders.h,Order catalog
-black.order,"Order ({0} days)"
+black.order,Order
 black.mode.Escrow,Escrow
 black.mode.Advance,Advance release
 black.ordered,"Ordered: {0}, due day {1}."
@@ -270,7 +270,7 @@ black.kind.Contraband.3,Contraband (high)
 black.kind.Tech,High-tech (markup)
 nightlog.bm.ready,"Black market: {0} arrived; a courier will come by once you open."
 item.web3guide.name,Web3 Handbook
-item.web3guide.desc,"Bank: depositing turns credits into CRC; withdrawing turns CRC back into credits and goes through compliance screening. Trading: buys are paid in the quote coin, sells in the traded coin. Mixer: pick a coin, amount and rounds; each round takes a fee and lowers taint, rounds equal days of waiting, and the coins come back to the same address; the more you deposit, the worse the cleaning. Black market: coin only, no CRC, 30% above normal channels, with extra markup on high-tech goods and GPUs; the coin you pay leaves its share of taint with the seller and the goods carry no stolen tag; GPUs may be fake, inspect them yourself. Orders are cheaper than spot but take days and may be intercepted; escrow costs 5%, is released on delivery and refunded if the seller runs; advance release takes another 10% off, but a scammer keeps the money and only sellers with 30+ trades accept; the platform itself can rug, be taken over by enforcement, or a seller can be arrested, after which your orders get traced and crime logged; forum rumors can be warnings. An intercepted parcel sometimes turns into enforcement at your door: signing logs the crime on the spot and seizes the goods, refusing only costs the payment. Selling: on the black market's Sell page, list contraband, high-tech goods and GPUs from storage at 0.6x to 1.8x the reference price. The higher the multiplier, the slower the sale (below 0.9x about a day, 1.0x about two, 1.8x about fourteen), and the likelier and larger the taint on the payout; 5% listing fee, 8% commission, payout held 3 days before reaching your wallet; a fake card may be spotted and returned, hurting your rating; if the platform rugs, listed goods and unreleased payouts are gone. Ponero desk: Ponero is a privacy coin and swapping in wipes the taint on that value; 6% fee each way with a daily limit; coin swapped out of Ponero has no origin and cash-out screening gets stricter."
+item.web3guide.desc,"Bank: depositing turns credits into CRC; withdrawing turns CRC back into credits and goes through compliance screening. Trading: buys are paid in the quote coin, sells in the traded coin. Mixer: pick a coin, amount and rounds; each round takes a fee and lowers taint, rounds equal days of waiting, and the coins come back to the same address; the more you deposit, the worse the cleaning. Black market: coin only, no CRC, 30% above normal channels, with extra markup on high-tech goods and GPUs; the coin you pay leaves its share of taint with the seller and the goods carry no stolen tag; GPUs may be fake, inspect them yourself. Orders are cheaper than spot but take days and may be intercepted; merchants sell by type at their own price factor, 5+ items get 5% off and 10+ get 10% off, and a bulk merchant appears at random with the lowest prices but six days of waiting; escrow costs 5%, is released on delivery and refunded if the seller runs; advance release takes another 10% off, but a scammer keeps the money and only sellers with 30+ trades accept; the platform itself can rug, be taken over by enforcement, or a seller can be arrested, after which your orders get traced and crime logged; forum rumors can be warnings. An intercepted parcel sometimes turns into enforcement at your door: signing logs the crime on the spot and seizes the goods, refusing only costs the payment. Selling: on the black market's Sell page, list contraband, high-tech goods and GPUs from storage at 0.6x to 1.8x the reference price. The higher the multiplier, the slower the sale (below 0.9x about a day, 1.0x about two, 1.8x about fourteen), and the likelier and larger the taint on the payout, which also grows with how much you sold in the last 7 days; 5% listing fee, 8% commission, payout held 3 days before reaching your wallet; a fake card may be spotted and returned, hurting your rating; if the platform rugs, listed goods and unreleased payouts are gone. Ponero desk: Ponero is a privacy coin and swapping in wipes the taint on that value; 6% fee each way with a daily limit; coin swapped out of Ponero has no origin and cash-out screening gets stricter."
 courier.odd1,...Package is here.
 courier.odd2,"(His hand stays in his pocket.) Sign here."
 courier.sign,Sign
@@ -308,3 +308,13 @@ black.sale.Lost,platform rugged, gone
 black.sale.Delisted,taken down
 black.sale.Delisted.fake,buyer spotted the fake and returned it
 black.kind.gpunew,GPU  brand new
+merchant.GpuNew,New GPUs
+merchant.GpuUsed,Used GPUs
+merchant.Mods,Mods & tech
+merchant.Arms,Arms
+merchant.Docs,Keycards & chips
+merchant.Pharma,Pharma
+merchant.Bulk,Bulk
+black.days,"{0} days delivery"
+black.sell.all,List all
+black.sell.listedall,"Listed {0} items."

src/Decentralized/ModFiles/Localization/zh.csv

@@ -223,12 +223,12 @@ black.desk.in,兑入 Ponero
 black.desk.out,兑出 Ponero
 black.desk.go,兑换
 black.desk.fail,兑换失败：余额、额度或数量不对。
-black.sub.orders,订单
+black.sub.orders,商家
 black.sub.mine,我的订单与情报
 black.rugged,"平台出事了，入口关闭，还要 {0} 天才会有人重新开张。"
 black.seller,"{0}，成交 {1}，好评 {2}%"
 black.orders.h,订单目录
-black.order,"下单（{0} 天到）"
+black.order,下单
 black.mode.Escrow,托管
 black.mode.Advance,提前放款
 black.ordered,"已下单：{0}，预计第 {1} 天到。"
@@ -269,7 +269,7 @@ black.kind.Contraband.3,违禁品（高）
 black.kind.Tech,高科技物品（加价）
 nightlog.bm.ready,"黑市：{0} 到货，开店后会有快递员上门。"
 item.web3guide.name,Web3 手册
-item.web3guide.desc,"银行：存入把信用点换成 CRC；提取把 CRC 换回信用点，提取要过合规审查。交易：买入按计价币的数量支付，卖出按所交易币的数量卖出。混币器：选币种、填数量和轮数，每轮扣手续费并降低污点，轮数即等待天数，到期提回同一个地址；存入越多，清洗越差。黑市：只收币，不收 CRC，价格比正常渠道贵 30%，高科技物品和显卡另有加价；付出去的币带着按比例的污点留在卖家那边，货不带赃物标签；显卡不保证真假，自己鉴定。订单比现货便宜，要等几天，路上可能被截获；托管多付 5% 托管费，收货后放款，卖家跑路时退款；提前放款再打九折，卖家若是骗子钱就没了，只有成交 30 单以上的卖家接受；平台自己也可能跑路，也可能被执法接管，或者卖家落网，之后你的订单会被追查、记罪证；论坛上的传闻可以当预兆。被截获的包裹有时会变成执法人员上门：签收当场记罪证并查封，拒签只损失货款。出售：在黑市的出售页把储藏区里的违禁品、高科技物品和显卡上架，标价是参考价的 0.6 到 1.8 倍。倍率越高成交越慢（0.9 以下约一天，1.0 约两天，1.8 约十四天），货款带污点的可能性和比例也越高；上架收 5% 上架费，成交扣 8% 抽成，货款托管 3 天后进钱包；卖假卡可能被买家看穿而退货，拉低好评；平台跑路时上架的货和未放款的货款都没了。Ponero 兑换处：Ponero 是隐私币，兑入时这部分价值的污点被清除；兑入、兑出各收 6% 手续费，每天有额度；从 Ponero 兑出的币来路不明，出金审查会加重。"
+item.web3guide.desc,"银行：存入把信用点换成 CRC；提取把 CRC 换回信用点，提取要过合规审查。交易：买入按计价币的数量支付，卖出按所交易币的数量卖出。混币器：选币种、填数量和轮数，每轮扣手续费并降低污点，轮数即等待天数，到期提回同一个地址；存入越多，清洗越差。黑市：只收币，不收 CRC，价格比正常渠道贵 30%，高科技物品和显卡另有加价；付出去的币带着按比例的污点留在卖家那边，货不带赃物标签；显卡不保证真假，自己鉴定。订单比现货便宜，要等几天，路上可能被截获；商家按类型卖货，价格系数各不相同，一次订 5 件以上 95 折、10 件以上 9 折，大宗商家随机出现，价格最低但要等六天；托管多付 5% 托管费，收货后放款，卖家跑路时退款；提前放款再打九折，卖家若是骗子钱就没了，只有成交 30 单以上的卖家接受；平台自己也可能跑路，也可能被执法接管，或者卖家落网，之后你的订单会被追查、记罪证；论坛上的传闻可以当预兆。被截获的包裹有时会变成执法人员上门：签收当场记罪证并查封，拒签只损失货款。出售：在黑市的出售页把储藏区里的违禁品、高科技物品和显卡上架，标价是参考价的 0.6 到 1.8 倍。倍率越高成交越慢（0.9 以下约一天，1.0 约两天，1.8 约十四天），货款带污点的可能性和比例也越高，近 7 天出售的量越大，污点越重；上架收 5% 上架费，成交扣 8% 抽成，货款托管 3 天后进钱包；卖假卡可能被买家看穿而退货，拉低好评；平台跑路时上架的货和未放款的货款都没了。Ponero 兑换处：Ponero 是隐私币，兑入时这部分价值的污点被清除；兑入、兑出各收 6% 手续费，每天有额度；从 Ponero 兑出的币来路不明，出金审查会加重。"
 courier.odd1,……东西到了。
 courier.odd2,"（他的手一直放在口袋里）在这儿签个字。"
 courier.sign,签收
@@ -307,3 +307,13 @@ black.sale.Lost,平台跑路，没了
 black.sale.Delisted,已撤下
 black.sale.Delisted.fake,买家看穿假卡退货
 black.kind.gpunew,显卡　全新
+merchant.GpuNew,全新矿卡
+merchant.GpuUsed,二手矿卡
+merchant.Mods,模组高科技
+merchant.Arms,军火
+merchant.Docs,证件芯片
+merchant.Pharma,药物
+merchant.Bulk,大宗
+black.days,"{0} 天到货"
+black.sell.all,全部上架
+black.sell.listedall,"已上架 {0} 件。"

src/Decentralized/TerminalWindow.cs

@@ -343,20 +343,7 @@ namespace Decentralized
                     c.AddButton(L.T("black.buy"), () => BuyOffer(offer));
                 });
             }
-            else
-            {
-                if (d.Black.Catalog.Count == 0) b.AddLabel(L.T("black.empty"));
-                Shelf(b, d.Black.Catalog.Cast<BmGood>().ToList(), (c, g) =>
-                {
-                    var listing = (BmListing)g;
-                    var seller = d.Black.Sellers[listing.Seller];
-                    GoodHead(c, g, L.T("black.seller", seller.Name, seller.Trades, seller.Rating));
-                    c.AddLabel(L.T("black.price", BlackMarket.Pay(listing.Price, _mode)));
-                    c.AddFlexibleSpace();
-                    bool ok = _mode == PayMode.Escrow || seller.Advance;
-                    c.AddButton(ok ? L.T("black.order", Tuning.BmDoorDays) : L.T("black.noadvance"), () => { if (ok) PlaceOrder(listing); });
-                });
-            }
+            else MerchantShelf(b, d);
         }
 
         private static double _sellMult = 1.0;
@@ -375,6 +362,7 @@ namespace Decentralized
             }
             b.End();
             b.AddLabel(L.T("mixer.balance", _payAsset, Fmt.Num(d.Hot.Avail(_payAsset))) + "　" + L.T("black.sell.rating", d.Black.Rating));
+            b.AddButton(L.T("black.sell.all"), ListAll);
             b.AddSeparator();
             var items = BlackDelivery.Sellable();
             if (items.Count == 0) { b.AddLabel(L.T("black.sell.none")); return; }
@@ -382,7 +370,7 @@ namespace Decentralized
             {
                 string id = BlackDelivery.SellId(it);
                 var kind = BlackDelivery.KindOf(id);
-                var g = new BmGood { Item = id, Kind = kind, Level = kind == GoodKind.Contraband ? BlackMarket.Pool.First(x => x.Key == id).Value : 3 };
+                var g = new BmGood { Item = id, Kind = kind, Level = kind == GoodKind.Contraband ? BlackMarket.Pool.Concat(BlackMarket.PharmaPool).First(x => x.Key == id).Value : 3 };
                 if (kind == GoodKind.Gpu) g.Health = Items.ToUnit(it).Health;
                 g.Price = BlackMarket.ListPriceOf(BlackDelivery.RefValue(it), _sellMult);
                 return new { g, it };
@@ -398,6 +386,25 @@ namespace Decentralized
 
         private static readonly System.Collections.Generic.Dictionary<BmGood, GameItem> SellCards = new System.Collections.Generic.Dictionary<BmGood, GameItem>();
 
+        private static void ListAll()
+        {
+            var d = Session.Data;
+            int n = 0;
+            foreach (var it in BlackDelivery.Sellable())
+            {
+                string id = BlackDelivery.SellId(it);
+                if (id == null) continue;
+                var u = Items.IsGpu(it) ? Items.ToUnit(it) : null;
+                var s = d.Black.List(id, u?.Model, u?.FakeOf, u?.Health ?? 0, BlackDelivery.RefValue(it), _sellMult, d.Hot, _payAsset, StoreStation.GetDayCounter(), Session.Price);
+                if (s == null) break;
+                it.Destroy();
+                n++;
+            }
+            _message = L.T("black.sell.listedall", n);
+            Session.Save();
+            Open();
+        }
+
         private static void ListItem(GameItem it)
         {
             var d = Session.Data;
@@ -412,6 +419,50 @@ namespace Decentralized
             Open();
         }
 
+        private static int _merchant;
+        private static int _qty = 1;
+        private static readonly int[] Qtys = { 1, 5, 10 };
+
+        /// <summary>商家货架：选一家商家，看它这周的货，选件数下单。</summary>
+        private static void MerchantShelf(CustomUIBuilder b, SaveData d)
+        {
+            var sellers = d.Black.Sellers;
+            if (sellers.Count == 0) { b.AddLabel(L.T("black.empty")); return; }
+            if (_merchant >= sellers.Count) _merchant = 0;
+            b.BeginRow();
+            foreach (var m in Qtys)
+            {
+                int q = m;
+                b.AddButton(q == _qty ? $"[×{q}]" : "×" + q, () => { _qty = q; Open(); });
+            }
+            b.End();
+            for (int i = 0; i < sellers.Count; i += 3)
+            {
+                b.BeginRow();
+                for (int k = i; k < Math.Min(sellers.Count, i + 3); k++)
+                {
+                    int idx = k;
+                    string n = L.T("merchant." + sellers[k].Type) + " " + sellers[k].Name;
+                    b.AddButton(idx == _merchant ? $"[{n}]" : n, () => { _merchant = idx; Open(); });
+                }
+                b.End();
+            }
+            var seller = sellers[_merchant];
+            b.AddLabel(L.T("black.seller", seller.Name, seller.Trades, seller.Rating) + "　" + L.T("black.days", seller.Days));
+            var goods = d.Black.Catalog.Where(l => l.Seller == _merchant).Cast<BmGood>().ToList();
+            if (goods.Count == 0) { b.AddLabel(L.T("black.empty")); return; }
+            Shelf(b, goods, (c, g) =>
+            {
+                var listing = (BmListing)g;
+                int count = Math.Min(_qty, listing.Qty);
+                GoodHead(c, g, L.T("black.stock", listing.Qty));
+                c.AddLabel(L.T("black.price", BlackMarket.Pay(BlackMarket.OrderTotal(listing.Price, count), _mode)) + (count > 1 ? " ×" + count : ""));
+                c.AddFlexibleSpace();
+                bool ok = _mode == PayMode.Escrow || seller.Advance;
+                c.AddButton(ok ? L.T("black.order") : L.T("black.noadvance"), () => { if (ok) PlaceOrder(listing, count); });
+            });
+        }
+
         private const int ShelfCols = 4;
         private const float CardW = 172f, CardH = 268f;
 
@@ -455,12 +506,12 @@ namespace Decentralized
             Open();
         }
 
-        private static void PlaceOrder(BmListing l)
+        private static void PlaceOrder(BmListing l, int count)
         {
             var d = Session.Data;
-            var o = d.Black.Place(l, _mode, d.Hot, _payAsset, StoreStation.GetDayCounter(), Session.Price);
+            var o = d.Black.Place(l, count, _mode, d.Hot, _payAsset, StoreStation.GetDayCounter(), Session.Price);
             if (o == null) { _message = L.T("msg.balance"); Open(); return; }
-            _message = L.T("black.ordered", ItemName(o.Item), o.DueDay);
+            _message = L.T("black.ordered", ItemName(o.Item) + (o.Count > 1 ? " ×" + o.Count : ""), o.DueDay);
             Session.Save();
             Open();
         }
@@ -490,7 +541,7 @@ namespace Decentralized
                     if (sale.State == SaleState.Listed) l.AddButton(L.T("black.sell.delist"), () => Delist(sale));
                 }
                 foreach (var o in d.Black.Orders.OrderByDescending(x => x.PlacedDay))
-                    l.AddLabel(L.T("black.mine.line", ItemName(o.Item), o.Seller, L.T("black.mode." + o.Mode), L.T("black.state." + o.State + (o.Why != null && o.State != OrderState.Done ? "." + o.Why : "")), o.DueDay));
+                    l.AddLabel(L.T("black.mine.line", ItemName(o.Item) + (o.Count > 1 ? " ×" + o.Count : ""), o.Seller, L.T("black.mode." + o.Mode), L.T("black.state." + o.State + (o.Why != null && o.State != OrderState.Done ? "." + o.Why : "")), o.DueDay));
             }, r =>
             {
                 r.AddHeader(L.T("black.forum.h"));

tests/Decentralized.Domain.Tests/Program.cs

@@ -591,44 +591,44 @@ internal static class Program
             Func<string, long> value = id => 200;
             var bm = new BlackMarket();
             bm.RefreshOrders(10, 75, new Rng(5), value);
-            Check(bm.Sellers.Count == Tuning.BmSellerCount && bm.Catalog.Count > 0 && bm.Catalog.Where(l => l.Kind == GoodKind.Contraband).All(l => l.Price == 170), "目录：卖家与订单价（基础价 × 0.85）");
-            Check(BlackMarket.Pay(170, PayMode.Escrow) == 170 + 9 && BlackMarket.Pay(170, PayMode.Advance) == 153, "托管多付 5%，提前放款打九折");
+            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 { Seller = 0, Item = "x", Price = 1000 };
-            var lb = new BmListing { Seller = 1, Item = "x", Price = 1000 };
+            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, 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, PayMode.Escrow, w, Assets.CRC, 10, price) == null, "托管下单：扣币、污点留在订单上；不收 CRC");
+            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, PayMode.Advance, w, Assets.CRT, 20, price);
+            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, PayMode.Escrow, w, Assets.CRT, 30, price);
+            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 { Seller = 0, Item = "x", Price = 100 }, PayMode.Escrow, ww, Assets.CRT, 1, price);
+                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 { Seller = 0, Item = "x", Price = 100 }, PayMode.Escrow, cw, Assets.CRT, 1, price);
+            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 { Seller = 0, Item = "x", Price = 100 }, PayMode.Escrow, hw, Assets.CRT, 10, price);
+            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;
@@ -636,7 +636,7 @@ internal static class Program
             {
                 var t2 = new BlackMarket(); t2.Sellers.Add(good);
                 var w2 = new Wallet(); w2.Add(Assets.CRT, 5000);
-                var o2b = t2.Place(new BmListing { Seller = 0, Item = "x", Price = 100 }, PayMode.Escrow, w2, Assets.CRT, 1, price);
+                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++;
             }
@@ -648,10 +648,10 @@ internal static class Program
             // 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 { Seller = 0, Item = "x", Price = 10000 }, PayMode.Escrow, rw, Assets.CRT, 1, price);
+            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 { Seller = 0, Item = "x", Price = 1 }, PayMode.Escrow, rw, Assets.CRT, 30, price) == null, "关闭期间不能下单");
+            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", () =>
@@ -719,6 +719,40 @@ internal static class Program
             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;
     }