토너먼트 준비

packages/common/src/index.ts

@@ -8,6 +8,7 @@ export * from './util/JosaUtil.js';
 export * from './util/RNG.js';
 export * from './util/RandUtil.js';
 export * from './util/TestRNG.js';
+export * from './util/TournamentRNG.js';
 export * from './util/sha512.js';
 export * from './util/parse.js';
 export * from './turnDaemon/types.js';

packages/common/src/turnDaemon/types.ts

@@ -85,7 +85,17 @@ export type TurnDaemonCommand =
           destGeneralId: number;
           destCityId: number;
           officerLevel: number;
-      };
+        }
+    | {
+                type: 'tournamentRefund';
+                requestId?: string;
+                bettingId?: number;
+                reason?: string;
+                refunds: Array<{
+                        generalId: number;
+                        amount: number;
+                }>;
+        };
 
 export type TurnDaemonCommandResult =
     | {
@@ -132,7 +142,21 @@ export type TurnDaemonCommandResult =
     | { type: 'dropItem'; ok: boolean; generalId: number; reason?: string }
     | { type: 'changePermission'; ok: boolean; generalId: number; reason?: string }
     | { type: 'kick'; ok: boolean; generalId: number; reason?: string }
-    | { type: 'appoint'; ok: boolean; generalId: number; reason?: string };
+    | { type: 'appoint'; ok: boolean; generalId: number; reason?: string }
+    | {
+          type: 'tournamentRefund';
+          ok: true;
+          bettingId?: number;
+          processed: number;
+          missing: number;
+          totalRefund: number;
+      }
+    | {
+          type: 'tournamentRefund';
+          ok: false;
+          bettingId?: number;
+          reason: string;
+      };
 
 export type TurnDaemonEvent =
     | { type: 'status'; requestId?: string; status: TurnDaemonStatus }

packages/common/src/util/TournamentRNG.ts

@@ -0,0 +1,37 @@
+import { LiteHashDRBG } from './LiteHashDRBG.js';
+import { RandUtil } from './RandUtil.js';
+
+export interface TournamentRngContext {
+    openYear: number;
+    openMonth: number;
+    stage: number;
+    phase: number;
+    matchIndex: number;
+    participantIndex: number;
+    gameIndex?: number;
+    extraSeed?: string | number;
+}
+
+const buildTournamentSeedKey = (baseSeed: string, context: TournamentRngContext): string => {
+    const gameIndex = context.gameIndex !== undefined ? `|game:${context.gameIndex}` : '';
+    const extraSeed = context.extraSeed !== undefined ? `|extra:${context.extraSeed}` : '';
+    return [
+        'Tournament',
+        `open:${context.openYear}-${context.openMonth}`,
+        `stage:${context.stage}`,
+        `phase:${context.phase}`,
+        `match:${context.matchIndex}`,
+        `participant:${context.participantIndex}`,
+        gameIndex,
+        extraSeed,
+        `seed:${baseSeed}`,
+    ]
+        .filter((value) => value.length > 0)
+        .join('|');
+};
+
+export const createTournamentRng = (baseSeed: string, context: TournamentRngContext): RandUtil =>
+    new RandUtil(LiteHashDRBG.build(buildTournamentSeedKey(baseSeed, context)));
+
+export const createTournamentSeedKey = (baseSeed: string, context: TournamentRngContext): string =>
+    buildTournamentSeedKey(baseSeed, context);