Connect Moritani Extortion through Mentat settlement
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import test from 'node:test';
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import assert from 'node:assert/strict';
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import { webcrypto } from 'node:crypto';
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import { readFileSync, readdirSync } from 'node:fs';
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import { DatabaseSync } from 'node:sqlite';
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import { runInNewContext } from 'node:vm';
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import ts from 'typescript';
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import * as engine from '../game/engine';
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import * as bots from '../game/bots';
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import * as seatAiDelegation from '../lib/seat-ai-delegation';
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import type * as Rooms from '../db/rooms';
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import { createTerrorState, placeTerror } from '../game/moritani-terror';
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const clock: Rooms.RoomsClock = { now: () => 10000, sleep: async () => {} };
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/** Real room module and migrations, with a barrier immediately before the room CAS. */
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function unitStore() {
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const sqlite = new DatabaseSync(':memory:');
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const hooks: { beforeWrite?: () => Promise<void> } = {};
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const writes: { expected: number; changes: number }[] = [];
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for (const file of readdirSync(new URL('../drizzle/', import.meta.url))
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.filter((name) => name.endsWith('.sql'))
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.sort())
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sqlite.exec(readFileSync(new URL('../drizzle/' + file, import.meta.url), 'utf8'));
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class Statement {
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values: (string | number | null)[] = [];
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constructor(readonly sql: string) {}
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bind(...values: (string | number | null)[]) {
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this.values = values;
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return this;
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}
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async first() {
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return sqlite.prepare(this.sql).get(...this.values) ?? null;
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}
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async run() {
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const continuation = this.sql.startsWith('UPDATE rooms SET state');
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if (continuation) await hooks.beforeWrite?.();
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const changes = Number(sqlite.prepare(this.sql).run(...this.values).changes);
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if (continuation) writes.push({ expected: Number(this.values[3]), changes });
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return { meta: { changes } };
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}
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}
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const database = {
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prepare: (sql: string) => new Statement(sql),
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batch: async (statements: Statement[]) => {
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sqlite.exec('BEGIN');
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try {
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const results = [];
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for (const statement of statements) results.push(await statement.run());
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sqlite.exec('COMMIT');
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return results;
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} catch (error) {
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sqlite.exec('ROLLBACK');
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throw error;
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}
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},
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};
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function loadRooms() {
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const exports = {};
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runInNewContext(
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ts.transpileModule(readFileSync(new URL('../db/rooms.ts', import.meta.url), 'utf8'), {
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compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022 },
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}).outputText,
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{
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exports,
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crypto: webcrypto,
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TextEncoder,
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structuredClone,
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JSON,
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require: (name: string) => {
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if (name === 'cloudflare:workers') return { env: { DB: database } };
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if (name === '@/game/engine') return engine;
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if (name === '@/game/bots') return bots;
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if (name === '@/lib/seat-ai-delegation') return seatAiDelegation;
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throw new Error('Unexpected module ' + name);
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},
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},
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);
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return exports as typeof Rooms;
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}
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return { rooms: loadRooms(), restart: loadRooms, sqlite, hooks, writes };
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}
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async function fixture() {
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const store = unitStore();
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const created = await store.rooms.createRoom('Extortion seat', 'moritani', false, []);
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const code = created.view.code;
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const joined = await store.rooms.joinRoom(code, 'Entrant', 'emperor');
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const witness = await store.rooms.joinRoom(code, 'Witness', 'atreides');
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const tokens = [created.token, joined.token!, witness.token!];
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const seats = await Promise.all(tokens.map((token) => store.restart().authenticate(code, token)));
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const ids = seats.map((seat) => seat.playerId);
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let g = await store.restart().readRoom(code);
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g.players = [
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engine.newPlayer(ids[0], 'Moritani', 'moritani'),
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engine.newPlayer(ids[1], 'Entrant', 'emperor'),
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engine.newPlayer(ids[2], 'Witness', 'atreides'),
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];
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Object.assign(g, {
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status: 'playing', phase: 5, turn: 2, storm: 18, active: ids[1],
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order: [ids[1], ids[0], ids[2]], movementRemaining: [ids[1], ids[0], ids[2]],
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decision: null, response: null, phaseOpening: null, ready: [],
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});
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for (const p of g.players) {
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p.forces = {};
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p.reserves = 20;
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p.spice = 12;
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p.hand = [];
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}
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g.moritaniTerror = createTerrorState(() => 0);
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const token = g.moritaniTerror.tokens.find((item) => item.kind === 'extortion')!;
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g.moritaniTerror = placeTerror(g.moritaniTerror, token.id, 'arrakeen', 1);
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store.sqlite.prepare('UPDATE rooms SET state=?, version=? WHERE code=?')
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.run(JSON.stringify(g), g.version, code);
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store.writes.length = 0;
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async function act(index: number, action: engine.Action) {
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const current = await store.restart().readRoom(code);
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await store.restart().act(code, seats[index], current.version, action, clock);
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return store.restart().readRoom(code);
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}
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g = await act(1, { type: 'ship', territory: 'arrakeen', sector: 10, amount: 2 });
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assert.equal(g.decision?.kind, 'moritaniTerror');
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g = await act(0, { type: 'decision', reveal: true });
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assert.equal(g.moritaniTerror!.tokens.find((item) => item.kind === 'extortion')!.status, 'extortion');
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assert.equal(g.players[0].spice, 12);
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assert.equal((await store.restart().readSeatView(code, seats[1])).extortion.deferred, 5);
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return { ...store, code, tokens, seats, ids, act, revealed: g, token: token.id };
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}
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void test('SQLite reconnect preserves reserved bank award, payer privacy, and races one payment commit', async () => {
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const f = await fixture();
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try {
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let g = await f.restart().readRoom(f.code);
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g.phase = 7;
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g.ready = [];
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f.sqlite.prepare('UPDATE rooms SET state=?, version=? WHERE code=?')
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.run(JSON.stringify(g), g.version, f.code);
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f.writes.length = 0;
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for (const [i] of f.seats.entries()) g = await f.act(i, { type: 'ready' });
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assert.equal(g.decision?.kind, 'moritaniPlacement');
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assert.equal(g.players[0].spice, 12);
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g = await f.act(0, { type: 'decision', decline: true });
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assert.equal(g.players[0].spice, 17);
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assert.ok(g.decision?.kind === 'moritaniExtortion');
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const event = g.decision.event;
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const payer = g.decision.player;
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const payerIndex = f.ids.indexOf(payer);
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assert.ok(payerIndex >= 0);
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for (const [i, seat] of f.seats.entries()) {
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const seatView = await f.restart().readSeatView(f.code, seat);
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assert.equal(seatView.extortion.deferred, 0);
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assert.equal(seatView.extortion.pending?.player, payer);
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assert.equal(seatView.extortion.pending?.canPay, i === payerIndex ? true : null);
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if (i !== 0)
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assert.equal(seatView.moritaniTerror!.tokens.some((item) => item.id !== f.token), false);
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}
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const before = structuredClone(g);
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await assert.rejects(f.restart().act(f.code, f.seats[0], g.version,
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{ type: 'decision', event, pay: true }, clock));
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await assert.rejects(f.restart().act(f.code, f.seats[payerIndex], g.version,
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{ type: 'decision', event: 'obsolete', pay: true }, clock));
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assert.deepEqual(await f.restart().readRoom(f.code), before);
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assert.equal(f.writes.length, f.seats.length + 1);
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let arrivals = 0;
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let release!: () => void;
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const gate = new Promise<void>((resolve) => { release = resolve; });
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f.hooks.beforeWrite = async () => {
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if (++arrivals === 2) release();
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await gate;
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};
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let results: PromiseSettledResult<unknown>[];
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try {
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results = await Promise.allSettled([0, 1].map(() => f.restart().act(
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f.code, f.seats[payerIndex], g.version,
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{ type: 'decision', event, pay: true }, clock,
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)));
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} finally {
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delete f.hooks.beforeWrite;
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}
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assert.equal(arrivals, 2);
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assert.equal(results.filter((result) => result.status === 'fulfilled').length, 1);
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assert.deepEqual(f.writes.slice(-2).map((write) => write.changes).sort((a, b) => a - b), [0, 1]);
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const done = await f.restart().readRoom(f.code);
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assert.equal(done.version, g.version + 1);
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assert.equal(done.players[0].spice, 20);
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assert.equal(done.players[payerIndex].spice, g.players[payerIndex].spice - 3);
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assert.equal(done.moritaniTerror!.tokens.find((item) => item.kind === 'extortion')!.status, 'removed');
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await assert.rejects(f.restart().act(f.code, f.seats[payerIndex], g.version,
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{ type: 'decision', event, pay: true }, clock), /table changed/i);
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assert.deepEqual(await f.restart().readRoom(f.code), done);
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} finally {
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f.sqlite.close();
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}
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});
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