Domain: market, stablecoins, compliant cash-out with AML
Market: PSCoin reference price with sentiment, anchor shifts from game events (blackout, crackdown), daily volatility, NPC whales, a day-average mark price, and side pairs pulled toward the reference by arbitrage. Stablecoins: CRC depeg and haircut, CRT depeg and freeze chance by black market reputation, CRA staking subsidy, warnings and the three-day spiral. Exchange: CRC cash-out at market price, AML hit chance from size, 7-day total, taint ratio and mixer/flag; light hits confiscate the tainted part, heavy hits also report it as fencing; tax only on gains. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Decentralized.Domain
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{
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public enum AmlOutcome { Clear, Light, Heavy }
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/// <summary>一次合规出金的结果。罪证由接入层记进游戏的罪证账本（销赃）。</summary>
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public sealed class CashoutResult
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{
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public double Requested;
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public double Received;
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public double Confiscated;
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public double Crime;
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public double Tax;
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public double HitChance;
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public AmlOutcome Outcome;
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}
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/// <summary>
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/// 合规交易所出金：CRC 兑回信用点，过 AML。审查按单笔金额、7 天累计金额、污点比例、是否来自混币器或被标记地址判定。
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/// 轻度命中（污点 < 30%）没收污点部分、不记罪证；重度命中没收污点部分，并把污点额记为销赃罪证。
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/// </summary>
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public sealed class Exchange
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{
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/// <summary>最近的出金记录：(天, 金额)。</summary>
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public List<KeyValuePair<int, double>> History = new List<KeyValuePair<int, double>>();
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public static double HitChance(double amount, double taint, double recentTotal, double rent, bool fromMixerOrFlagged)
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{
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if (amount <= 0) return 0;
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double ratio = taint / amount;
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double big = Tuning.AmlBigRents * rent, cum = Tuning.AmlCumRents * rent;
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double p = 0;
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if (ratio >= Tuning.AmlTaintRatio) p += ratio * 1.5;
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p += Math.Max(0, (amount - big) / big) * 0.2;
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p += Math.Max(0, (recentTotal + amount - cum) / cum) * 0.2;
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if (fromMixerOrFlagged) p += Tuning.AmlMixerBonus;
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return Math.Min(Tuning.AmlMaxChance, p);
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}
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/// <summary>
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/// 从地址里取出 amount 个 CRC 兑成信用点（按 CRC 当前价格，平时为 1；脱锚期间按市价），扣手续费。污点与成本按比例随取出部分计算；
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/// 只对超出成本的部分计税。
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/// </summary>
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public CashoutResult Cashout(Wallet wallet, double amount, Func<string, double> price, int day, double rent, bool fromMixer, Rng rng)
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{
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amount = Math.Min(amount, wallet.Get(Assets.CRC));
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var r = new CashoutResult { Requested = amount };
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if (amount <= 0) return r;
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double total = wallet.Value(price);
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double share = total > 0 ? Math.Min(1, amount * price(Assets.CRC) / total) : 0;
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double taint = wallet.Taint * share, basis = wallet.Basis * share;
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History.RemoveAll(h => h.Key <= day - Tuning.AmlWindowDays);
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double recent = History.Sum(h => h.Value);
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double value = amount * price(Assets.CRC);
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r.HitChance = HitChance(value, taint, recent, rent, fromMixer || wallet.Flagged);
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wallet.Add(Assets.CRC, -amount);
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wallet.Taint -= taint;
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wallet.Basis -= basis;
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History.Add(new KeyValuePair<int, double>(day, value));
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double got = value * (1 - Tuning.ExchangeFee);
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if (rng.Chance(r.HitChance))
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{
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r.Outcome = taint / value >= Tuning.AmlHeavyRatio ? AmlOutcome.Heavy : AmlOutcome.Light;
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r.Confiscated = Math.Min(got, taint);
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got -= r.Confiscated;
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if (r.Outcome == AmlOutcome.Heavy) r.Crime = taint;
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}
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r.Tax = Math.Max(0, got - basis) * Tuning.TaxRate;
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r.Received = got;
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return r;
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}
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}
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}
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Decentralized.Domain
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{
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/// <summary>
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/// 影响行情的游戏事件种类。接入层把游戏的新闻事件与派系行动映射到这里（例如全站停电、电力短缺 → Blackout）。
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/// </summary>
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public enum MarketEvent { Blackout, Crackdown, GangWar, RevRaidUpper, LowerUnrest }
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/// <summary>
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/// PSCoin 行情与全部交易对。PSCoin 有一个参考价（主交易对：合规交易所 PSC/CRC）；
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/// 夜间参考价向价格锚回归并加噪声，其余交易对由 NPC 套利者拉向参考价。
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/// </summary>
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public sealed class Market
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{
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public double Sentiment = 1.0;
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public List<Pool> Pools = new List<Pool>();
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/// <summary>开门时的参考价，夜间用它和收盘价算当日均价（合约的标记价）。</summary>
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public double OpenPrice = Tuning.PscStartPrice;
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public const double ArbRate = 0.5; // 非主交易对每晚被拉回参考价的比例
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public const double SideDepthShare = 0.3; // 非主交易对的深度占主交易对的比例
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public static Market CreateDefault(int day)
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{
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var m = new Market();
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double depth = Tuning.PoolDepth(day), p = Tuning.PscStartPrice;
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m.Pools.Add(Pool.Create(Venue.Exchange, Assets.PSC, Assets.CRC, p, depth, Tuning.ExchangeFee));
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m.Pools.Add(Pool.Create(Venue.Dex, Assets.PSC, Assets.CRT, p, depth * SideDepthShare, Tuning.DexFee));
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m.Pools.Add(Pool.Create(Venue.Dex, Assets.PSC, Assets.CRA, p, depth * SideDepthShare, Tuning.DexFee));
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m.Pools.Add(Pool.Create(Venue.Dex, Assets.CRT, Assets.CRC, 1, depth * SideDepthShare, Tuning.DexFee));
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return m;
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}
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public Pool Main => Pools[0];
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public Pool Find(Venue venue, string baseAsset, string quote) =>
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Pools.FirstOrDefault(x => x.Venue == venue && x.Base == baseAsset && x.Quote == quote);
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/// <summary>PSCoin 的参考价（信用点）。</summary>
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public double Price => Main.Price;
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public double Anchor(ICollection<MarketEvent> active)
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{
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double a = Tuning.PscStartPrice * Sentiment;
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if (active.Contains(MarketEvent.Blackout)) a *= 1.10;
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if (active.Contains(MarketEvent.Crackdown)) a *= 0.92;
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return a;
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}
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public static double Volatility(ICollection<MarketEvent> active)
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{
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double v = Tuning.PscVol;
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if (active.Contains(MarketEvent.GangWar)) v *= 2;
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else if (active.Contains(MarketEvent.RevRaidUpper)) v *= 1.5;
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return v;
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}
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/// <summary>开门：一次日内波动（幅度为日波动率的一半）。</summary>
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public void Open(ICollection<MarketEvent> active, Rng rng, int day)
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{
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double p = Price * Math.Exp(rng.Gauss() * Volatility(active) / 2);
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Main.SetPrice(p, Tuning.PoolDepth(day));
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OpenPrice = p;
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}
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/// <summary>NPC 大户：每周约 2 笔、每笔 2,000–8,000 信用点，随机买或卖。返回成交额（正为买入），没有交易时为 0。</summary>
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public double Whale(Rng rng)
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{
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if (!rng.Chance(2.0 / 7)) return 0;
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double size = rng.Range(2000.0, 8000.0);
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if (rng.Chance(0.5)) { Main.BuyBase(size); return size; }
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Main.SellBase(size / Price);
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return -size;
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}
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/// <summary>当日均价：合约强平与借贷估值用它，白天的插针不触发强平。</summary>
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public double Mark => (OpenPrice + Price) / 2;
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/// <summary>
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/// 夜间：情绪做均值回归随机游走；参考价向锚回归 15% 并加噪声，限制在锚的 0.3–3 倍；
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/// 其余交易对按各自计价币的价格拉向参考价。
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/// </summary>
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public void Night(ICollection<MarketEvent> active, Rng rng, int day, Func<string, double> stablePrice)
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{
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Sentiment *= Math.Exp(Tuning.SentimentKappa * -Math.Log(Sentiment) + rng.Gauss() * Tuning.SentimentVol);
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double anchor = Anchor(active);
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double lp = Math.Log(Price);
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lp += Tuning.Revert * (Math.Log(anchor) - lp) + rng.Gauss() * Volatility(active);
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double p = Math.Max(Tuning.PscStartPrice * Tuning.PriceFloor, Math.Min(Tuning.PscStartPrice * Tuning.PriceCeiling, Math.Exp(lp)));
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double depth = Tuning.PoolDepth(day);
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Main.SetPrice(p, depth);
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foreach (var pool in Pools.Skip(1))
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{
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double baseCredits = pool.Base == Assets.PSC ? p : stablePrice(pool.Base);
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double quoteCredits = pool.Quote == Assets.PSC ? p : stablePrice(pool.Quote);
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if (quoteCredits <= 0) continue;
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pool.Revert(baseCredits / quoteCredits, ArbRate, depth * SideDepthShare / quoteCredits);
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}
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}
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}
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}
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using System;
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using System.Collections.Generic;
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namespace Decentralized.Domain
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{
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/// <summary>
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/// 三种稳定币的价格与状态：CRC（上层，托管银行出事时脱锚、可能减记），CRT（黑市，镇压或火并时脱锚，
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/// 镇压期间按黑市声望出卖客户），CRA（革命军，质押付息，补贴池告急或外生触发时进入三天死亡螺旋）。
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/// </summary>
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public sealed class Stablecoins
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{
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public double Crc = 1, Crt = 1, Cra = 1;
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public int CrcDepegEnd = -1, CrtDepegEnd = -1;
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public bool CrcHaircutPending;
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public double CraSubsidy = Tuning.CraSubsidy0;
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public int CraWarnDay = -1, CraSpiralDay = -1;
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public double RevPower = 50;
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public List<double> RevHistory = new List<double>();
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public double Price(string asset)
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{
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switch (asset)
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{
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case Assets.CRC: return Crc;
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case Assets.CRT: return Crt;
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case Assets.CRA: return Cra;
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default: return 1;
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}
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}
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/// <summary>减记发生时返回 CRC 持有量要乘的系数（其余情况为 1）。</summary>
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public double OnEventStart(MarketEvent ev, int day, Rng rng)
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{
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if (ev == MarketEvent.RevRaidUpper && CrcDepegEnd < 0 && rng.Chance(Tuning.CrcDepegChance))
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{
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Crc = rng.Range(Tuning.CrcDepegMin, Tuning.CrcDepegMax);
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CrcDepegEnd = day + rng.Range(Tuning.CrcDepegDaysMin, Tuning.CrcDepegDaysMax);
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CrcHaircutPending = rng.Chance(Tuning.CrcHaircutChance);
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}
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if ((ev == MarketEvent.GangWar || ev == MarketEvent.Crackdown) && CrtDepegEnd < 0 && rng.Chance(Tuning.CrtDepegChance))
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{
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Crt = rng.Range(Tuning.CrtDepegMin, Tuning.CrtDepegMax);
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CrtDepegEnd = day + rng.Range(Tuning.CrtDepegDaysMin, Tuning.CrtDepegDaysMax);
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}
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return 1;
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}
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/// <summary>镇压开始时，玩家持有的 CRT 被冻结一半的概率：黑市声望 0 时 40%，50 以上为 0。</summary>
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public static double CrtFreezeChance(double blackMarketRep) =>
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Math.Max(0, Tuning.CrtFreezeBase - blackMarketRep * Tuning.CrtFreezePerRep);
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public bool CraSubsidyLow => CraSubsidy <= Tuning.CraSubsidy0 * Tuning.CraSubsidyWarn;
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/// <summary>CRA 的预兆：外生螺旋的新闻已出，或补贴池告急（利率下调）。螺旋开始后不再算预兆。</summary>
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public bool CraWarning(int day) => (CraWarnDay >= 0 && CraWarnDay <= day || CraSubsidyLow) && Cra >= 0.97;
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public double CraRate => CraSubsidyLow ? Tuning.CraRateLow : Tuning.CraRate;
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/// <summary>
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/// 夜间结算。返回 CRC 持有量要乘的系数（减记兑现时为 0.95，否则为 1）。
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/// playerStaked：玩家的 CRA 质押额，用来算补贴支出（玩家的利息由调用方按 <see cref="CraRate"/> 发放）。
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/// </summary>
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public double Night(int day, Rng rng, double playerStaked)
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{
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double crcFactor = 1;
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if (CrcDepegEnd == day)
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{
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Crc = 1;
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if (CrcHaircutPending) crcFactor = Tuning.CrcHaircut;
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CrcDepegEnd = -1;
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CrcHaircutPending = false;
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}
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if (CrtDepegEnd == day)
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{
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Crt = 1;
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CrtDepegEnd = -1;
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}
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RevHistory.Add(RevPower);
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if (RevHistory.Count > 7) RevHistory.RemoveAt(0);
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RevPower = Math.Max(0, Math.Min(100, RevPower + rng.Gauss() * 3));
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if (CraSpiralDay < 0)
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{
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CraSubsidy -= (Tuning.CraNpcStake + playerStaked) * CraRate;
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bool revFalling = RevHistory.Count == 7 && RevPower < RevHistory[0] - 5;
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double weekly = Tuning.CraSpiralWeekly * (revFalling ? 3 : 1);
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double daily = 1 - Math.Pow(1 - weekly, 1.0 / 7);
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if (CraWarnDay < 0 && (rng.Chance(daily) || CraSubsidy <= 0))
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{
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CraWarnDay = day;
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CraSpiralDay = day + rng.Range(Tuning.CraWarnLeadMin, Tuning.CraWarnLeadMax);
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}
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}
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if (CraSpiralDay > 0 && day >= CraSpiralDay)
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Cra = Tuning.CraSpiralPath[Math.Min(day - CraSpiralDay, Tuning.CraSpiralPath.Length - 1)];
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return crcFactor;
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}
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}
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}
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@@ -28,6 +28,30 @@ namespace Decentralized.Domain
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public const double SentimentKappa = 0.02, SentimentVol = 0.02;
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public const double PriceFloor = 0.3, PriceCeiling = 3.0;
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// 稳定币
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public const double CrcDepegChance = 0.30, CrcDepegMin = 0.88, CrcDepegMax = 0.93;
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public const int CrcDepegDaysMin = 2, CrcDepegDaysMax = 3;
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public const double CrcHaircutChance = 0.15, CrcHaircut = 0.95;
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public const double CrtDepegChance = 0.40, CrtDepegMin = 0.92, CrtDepegMax = 0.96;
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public const int CrtDepegDaysMin = 1, CrtDepegDaysMax = 2;
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public const double CrtFreezeBase = 0.40, CrtFreezePerRep = 0.008, CrtFreezeShare = 0.5;
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public const int CrtUnfreezeAfter = 3;
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public const double CrtSwapFee = 0.02;
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public const double CraRate = 0.005, CraRateLow = 0.002;
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public const int CraUnlockDays = 4;
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public const double CraSubsidy0 = 30000, CraSubsidyWarn = 0.2, CraNpcStake = 20000;
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public const double CraSpiralWeekly = 0.02;
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public const int CraWarnLeadMin = 4, CraWarnLeadMax = 7;
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public static readonly double[] CraSpiralPath = { 0.85, 0.30, 0.02 };
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// 合规出金与 AML（阈值以当前房租为单位）
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public const double AmlBigRents = 5, AmlCumRents = 15;
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public const int AmlWindowDays = 7;
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public const double AmlTaintRatio = 0.10, AmlHeavyRatio = 0.30, AmlMixerBonus = 0.30, AmlMaxChance = 0.9;
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public const double TaxRate = 0.08;
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/// <summary>单个金融违规事件记入的罪证上限。</summary>
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public const double CrimeEventCap = 400;
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/// <summary>主交易对（信用点一侧）的深度随天数增长。</summary>
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public static double PoolDepth(int day) => PoolDepth0 * (1 + day / 60.0);
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}
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