488 lines
34 KiB
TypeScript
Executable File
488 lines
34 KiB
TypeScript
Executable File
import { DatabaseSync } from 'node:sqlite';
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import { randomUUID } from 'node:crypto';
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import { mkdir, chmod } from 'node:fs/promises';
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import { join } from 'node:path';
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import { NETWORK, CONSENSUS, nftTransferMessage, testnetOwnerOf, transactionCardIds,
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type TestnetSnapshot, type NftTransfer } from '../../shared/testnet.ts';
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import { ADDITIONAL_MARKET_FEE, marketCommandSchema, marketMessage, type MarketCommand, type MarketListing,
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type MarketOrder, type MarketInfo } from '../../shared/market.ts';
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import { isXmrListing, isXmrOrder, marketCommandV3Schema, marketMessageV3,
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type MarketActivityV3, type MarketCommandV3, type MarketListingRecord, type MarketListingV3,
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type MarketOrderRecord, type MarketOrderV3 } from '../../shared/market-v3.ts';
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import { CHAIN_ID, transactionId, transferSchema, verifySignature } from '../testnet/consensus.ts';
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import { mockQuote, mockXmrQuote, paymentMode } from './payments.ts';
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import { RpcError } from '../resources.ts';
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import type { CanonicalEvents, IndexedNft } from '../testnet/canonical-index.ts';
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import { z } from 'zod';
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import { operatorMarketPolicy, resolvedMarketPolicy, permitsMarketAction, validateMarketPolicy, type MarketPolicy } from './policy.ts';
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type Chain = { snapshot(): TestnetSnapshot; summary?(): { tip: string; revision: number; height?: number };
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submitTransfer(raw: unknown): Promise<string>; nft?(token: string): IndexedNft | undefined;
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canonicalTransaction?(id: string): { height: number; blockHash: string } | undefined;
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canonicalHead?(): number; canonicalEvents?(after: number, limit?: number): CanonicalEvents;
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pendingTransactions?(): TestnetSnapshot['pendingTransfers'] };
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type ChainView = { height: number; pendingTransfers: TestnetSnapshot['pendingTransfers'];
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nft(token: string): IndexedNft | undefined; transaction(id: string): { height: number; blockHash: string } | undefined };
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type Config = { feeBps: number; confirmations: number } & MarketPolicy;
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export function marketConfig(env: NodeJS.ProcessEnv = process.env): Config {
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paymentMode(env);
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const integer = (name: string, fallback: number, min: number, max: number) => {
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const text = env[name] ?? String(fallback);
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if (!/^\d+$/.test(text)) throw new Error(`Invalid ${name}`);
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const n = Number(text);
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if (!Number.isSafeInteger(n) || n < min || n > max) throw new Error(`Invalid ${name}`);
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return n;
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};
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return { ...operatorMarketPolicy(env), feeBps: integer('WIKIDECK_MARKET_FEE_BPS', 250, 0, 5000),
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confirmations: integer('WIKIDECK_MARKET_CONFIRMATIONS', 10, 2, 1000) };
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}
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const PAYMENT_WINDOW = 30 * 60_000;
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const DELIVERY_WINDOW = 48 * 60 * 60_000;
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const RECONCILIATION_FRESH_MS = 15_000;
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const cursorSchema = z.object({ version: z.literal(1), streamId: z.string().uuid(),
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cursor: z.number().int().nonnegative().safe(), anchor: z.string().regex(/^[a-f0-9]{64}$/) }).strict();
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const canonicalEventSchema = z.object({ sequence: z.number().int().positive().safe(), type: z.enum(['connect', 'disconnect']),
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height: z.number().int().positive().safe(), hash: z.string().regex(/^[a-f0-9]{64}$/),
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previousHash: z.string().regex(/^[a-f0-9]{64}$/), transactionIds: z.array(z.string().regex(/^[a-f0-9]{64}$/)).max(64),
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eventHash: z.string().regex(/^[a-f0-9]{64}$/) }).strict();
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const canonicalEventPageSchema = z.object({ streamId: z.string().uuid(), previousAnchor: z.string().regex(/^[a-f0-9]{64}$/),
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anchor: z.string().regex(/^[a-f0-9]{64}$/), events: z.array(canonicalEventSchema).max(64),
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cursor: z.number().int().nonnegative().safe(), head: z.number().int().nonnegative().safe(), caughtUp: z.boolean() }).strict();
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const reconciliationJobSchema = z.object({ version: z.literal(1), stage: z.enum(['orders', 'listings']),
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afterId: z.string().nullable(), observedAt: z.number().int().nonnegative().safe(),
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tip: z.string().regex(/^[a-f0-9]{64}$/).nullable(), revision: z.number().int().nonnegative().safe().nullable(),
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eventPage: canonicalEventPageSchema.nullable() }).strict();
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const RECONCILE_BATCH_SIZE = 128;
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const RECONCILIATION_JOB_KEY = 'canonical_reconciliation_job';
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/** Node-local marketplace, NOT consensus escrow. Its SQLite journal is backed up with the ledger. */
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export class Market {
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private queue: Promise<unknown> = Promise.resolve();
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private queued = 0;
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private reconciled: { tip: string; revision: number; at: number } | undefined;
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private eventCursor = 0;
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private eventCheckpoint: z.infer<typeof cursorSchema> | undefined;
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private eventBacklog = false;
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private reconciliationJob: z.infer<typeof reconciliationJobSchema> | undefined;
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private readonly db: DatabaseSync;
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private readonly chain: Chain;
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readonly config: Config;
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readonly id: string;
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private readonly now: () => number;
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private constructor(db: DatabaseSync, chain: Chain, config: Config, id: string, now: () => number) {
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this.db = db; this.chain = chain; this.config = config; this.id = id; this.now = now;
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const cursor = db.prepare("SELECT value FROM market_meta WHERE key='canonical_event_cursor'").get() as { value: string } | undefined;
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if (cursor) {
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this.eventCheckpoint = cursorSchema.parse(JSON.parse(cursor.value));
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this.eventCursor = this.eventCheckpoint.cursor;
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}
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const job = db.prepare('SELECT value FROM market_meta WHERE key=?').get(RECONCILIATION_JOB_KEY) as { value: string } | undefined;
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if (job) { this.reconciliationJob = reconciliationJobSchema.parse(JSON.parse(job.value)); this.eventBacklog = true; }
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else this.eventBacklog = !!chain.canonicalHead && this.eventCursor < chain.canonicalHead();
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}
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static async open(directory: string, chain: Chain, config = marketConfig(), now = Date.now): Promise<Market> {
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await validateMarketPolicy(config);
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const folder = join(directory, NETWORK.includes('mainnet') ? 'mainnet' : 'testnet');
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await mkdir(folder, { recursive: true, mode: 0o700 });
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const file = join(folder, 'market.sqlite');
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const db = new DatabaseSync(file);
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try {
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db.exec(`PRAGMA journal_mode=WAL; PRAGMA synchronous=FULL; PRAGMA busy_timeout=5000;
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CREATE TABLE IF NOT EXISTS market_meta(key TEXT PRIMARY KEY, value TEXT NOT NULL);
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CREATE TABLE IF NOT EXISTS listings(id TEXT PRIMARY KEY, card TEXT NOT NULL, status TEXT NOT NULL, data TEXT NOT NULL);
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CREATE UNIQUE INDEX IF NOT EXISTS one_active_listing ON listings(card) WHERE status IN ('open','reserved');
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CREATE TABLE IF NOT EXISTS orders(id TEXT PRIMARY KEY, data TEXT NOT NULL);
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CREATE TABLE IF NOT EXISTS receipts(id TEXT PRIMARY KEY, digest TEXT NOT NULL, expires INTEGER NOT NULL, data TEXT NOT NULL);`);
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db.exec(`CREATE INDEX IF NOT EXISTS listings_by_status ON listings(status);
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CREATE INDEX IF NOT EXISTS listings_by_seller ON listings(json_extract(data,'$.seller'));
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CREATE INDEX IF NOT EXISTS orders_by_seller ON orders(json_extract(data,'$.seller'));
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CREATE INDEX IF NOT EXISTS orders_by_buyer ON orders(json_extract(data,'$.buyer'));`);
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const meta = db.prepare('SELECT value FROM market_meta WHERE key=?').get('identity') as { value: string } | undefined;
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let id: string;
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if (meta) {
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const identity = JSON.parse(meta.value);
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if (identity.network !== NETWORK || identity.chainId !== CHAIN_ID || identity.version !== 1 ||
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typeof identity.id !== 'string') throw new Error('Marketplace network/schema mismatch');
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id = identity.id;
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} else {
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id = randomUUID();
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db.prepare('INSERT INTO market_meta VALUES(?,?)').run('identity', JSON.stringify({ version: 1, network: NETWORK, chainId: CHAIN_ID, id }));
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}
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if (process.platform !== 'win32') await chmod(file, 0o600);
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return new Market(db, chain, config, id, now);
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} catch (error) { db.close(); throw error; }
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}
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close() { this.db.close(); }
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diagnostics() {
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const states=this.db.prepare("SELECT json_extract(data,'$.status') AS status,COUNT(*) AS count FROM orders GROUP BY json_extract(data,'$.status')").all();
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return { queued:this.queued,lastReconciledAt:this.reconciled?.at??null,orderStates:states,
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canonicalEventCursor:this.eventCursor,canonicalEventHead:this.chain.canonicalHead?.()??null,eventBacklog:this.eventBacklog };
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}
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hasReconciliationBacklog(): boolean { return this.eventBacklog || !!this.reconciliationJob; }
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info(): MarketInfo {
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return { network: NETWORK, chainId: CHAIN_ID, marketId: this.id, paymentMode: 'mock', marketVersion: 3, feeBps: this.config.feeBps,
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...resolvedMarketPolicy(this.config),
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additionalFee: { ...ADDITIONAL_MARKET_FEE },
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deliveryConfirmations: this.config.confirmations, serverTime: this.now() };
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}
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private nextReconciliationRows(table: 'listings' | 'orders', afterId: string | null): { id: string; data: string }[] {
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return this.db.prepare(`SELECT id,data FROM ${table} WHERE (? IS NULL OR id>?) ORDER BY id LIMIT ?`)
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.all(afterId, afterId, RECONCILE_BATCH_SIZE) as { id: string; data: string }[];
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}
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private listing(id: string): MarketListingRecord {
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const row = this.db.prepare('SELECT data FROM listings WHERE id=?').get(id) as { data: string } | undefined;
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if (!row) throw new Error('Listing not found');
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return JSON.parse(row.data) as MarketListingRecord;
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}
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private order(id: string): MarketOrderRecord {
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const row = this.db.prepare('SELECT data FROM orders WHERE id=?').get(id) as { data: string } | undefined;
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if (!row) throw new Error('Order not found');
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return JSON.parse(row.data) as MarketOrderRecord;
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}
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private saveListing(l: MarketListingRecord) {
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this.db.prepare('INSERT INTO listings VALUES(?,?,?,?) ON CONFLICT(id) DO UPDATE SET status=excluded.status,data=excluded.data WHERE listings.data<>excluded.data')
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.run(l.id, l.cardHash, l.status, JSON.stringify(l));
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}
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private saveOrder(o: MarketOrderRecord) {
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this.db.prepare('INSERT INTO orders VALUES(?,?) ON CONFLICT(id) DO UPDATE SET data=excluded.data WHERE orders.data<>excluded.data').run(o.id, JSON.stringify(o));
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}
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private atomic<T>(fn: () => T): T {
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this.db.exec('BEGIN IMMEDIATE');
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try { const result = fn(); this.db.exec('COMMIT'); return result; }
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catch (error) { this.db.exec('ROLLBACK'); throw error; }
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}
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private view(): ChainView {
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if (this.chain.nft && this.chain.canonicalTransaction && this.chain.pendingTransactions && this.chain.summary) {
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const height = this.chain.summary().height;
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if (height === undefined) throw new Error('Indexed chain height missing');
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return { height, pendingTransfers: this.chain.pendingTransactions(), nft: token => this.chain.nft!(token),
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transaction: id => this.chain.canonicalTransaction!(id) };
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}
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// Compatibility boundary for unit-test/legacy adapters only. The actual node always supplies indexed queries.
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const s = this.chain.snapshot();
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const txs = new Map(s.blocks.flatMap(b => b.transactions.map(tx => [transactionId(tx), { height: b.height, blockHash: b.hash }] as const)));
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return { height: s.blocks.length, pendingTransfers: s.pendingTransfers, transaction: id => txs.get(id), nft: token => {
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const block = s.blocks.find(b => b.tokenId === token);
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return block ? { block, owner: testnetOwnerOf(s, token)!, sequence: s.transfers.filter(tx => transactionCardIds(tx).includes(token)).length,
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confirmations: s.blocks.length + 1 - block.height } : undefined;
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} };
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}
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private card(view: ChainView, hash: string, owner: string, sequence: number): boolean {
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const nft = view.nft(hash);
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return !!nft && nft.owner === owner && nft.sequence === sequence && nft.confirmations >= CONSENSUS.coinbaseMaturity;
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}
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private deliveryId(order: MarketOrderRecord): string {
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// Identity excludes signature bytes. Recognize exact sale delivery through ANY submission route,
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// including peer gossip or a direct /api/transfer, even before the market records delivery intent.
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return transactionId({ network: NETWORK, chainId: CHAIN_ID, cardHash: order.cardHash,
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from: order.seller, to: order.buyer, sequence: order.sequence, publicKey: '', signature: '' });
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}
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/** Reconcile one durable keyset batch from canonical transaction identity, never mempool acknowledgement. */
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private reconcile() {
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const now = this.now();
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const summary = this.chain.summary?.();
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if (!this.reconciliationJob) {
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const events = this.chain.canonicalEvents?.(this.eventCursor, 64);
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if (events && this.eventCheckpoint && (events.streamId !== this.eventCheckpoint.streamId ||
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events.previousAnchor !== this.eventCheckpoint.anchor)) throw new RpcError(409, 'Canonical event history changed; restore matching ledger and market backups.');
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const job = reconciliationJobSchema.parse({ version: 1, stage: 'orders', afterId: null, observedAt: now,
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tip: summary?.tip ?? null, revision: summary?.revision ?? null, eventPage: events ?? null });
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this.atomic(() => this.db.prepare('INSERT INTO market_meta(key,value) VALUES(?,?)')
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.run(RECONCILIATION_JOB_KEY, JSON.stringify(job)));
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this.reconciliationJob = job; this.eventBacklog = true;
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}
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let job = this.reconciliationJob;
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if (summary && (job.tip !== summary.tip || job.revision !== summary.revision)) {
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// Canonical state changed while a multi-batch scan was running. Rewind the
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// keyset and bind a fresh event page so every row is checked against one
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// observed chain revision before the canonical cursor can advance.
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const events = this.chain.canonicalEvents?.(this.eventCursor, 64);
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if (events && this.eventCheckpoint && (events.streamId !== this.eventCheckpoint.streamId ||
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events.previousAnchor !== this.eventCheckpoint.anchor)) throw new RpcError(409, 'Canonical event history changed; restore matching ledger and market backups.');
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job = reconciliationJobSchema.parse({ version: 1, stage: 'orders', afterId: null, observedAt: now,
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tip: summary.tip, revision: summary.revision, eventPage: events ?? null });
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this.atomic(() => this.db.prepare('UPDATE market_meta SET value=? WHERE key=?')
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.run(JSON.stringify(job), RECONCILIATION_JOB_KEY));
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this.reconciliationJob = job;
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this.eventBacklog = true;
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}
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const s = this.view(), pendingIds = new Set(s.pendingTransfers.map(transactionId));
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const eventPage = job.eventPage as CanonicalEvents | null;
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const disconnected = new Set(eventPage?.events.filter(e => e.type === 'disconnect').flatMap(e => e.transactionIds) ?? []);
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const rows = this.nextReconciliationRows(job.stage, job.afterId);
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let nextJob: z.infer<typeof reconciliationJobSchema> | undefined;
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let completed = false;
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this.atomic(() => {
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if (job.stage === 'orders' && rows.length) {
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for (const row of rows) {
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const o = JSON.parse(row.data) as MarketOrderRecord;
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const l = this.listing(o.listingId);
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// A disconnect of completed delivery is sticky even if the same transaction has reappeared.
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if (o.status === 'complete' && disconnected.has(this.deliveryId(o))) {
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o.status = 'review'; o.payout = 'review';
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if (o.additionalFee) o.additionalFee.payout = 'review';
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this.saveOrder(o);
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}
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if (o.status === 'refunded' || o.status === 'expired') continue;
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const deliveryId = this.deliveryId(o);
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const delivery = s.transaction(deliveryId);
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const confirmations = delivery ? s.height - delivery.height + 1 : 0;
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o.deliveryConfirmations = confirmations;
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if (o.status === 'complete' || o.status === 'review') {
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if (!delivery || confirmations < o.requiredConfirmations) {
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o.status = 'review'; o.payout = 'review';
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if (o.additionalFee) o.additionalFee.payout = 'review';
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}
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this.saveOrder(o); continue; // Never automatically pay a second time after a reorganization.
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}
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if (delivery && o.status === 'awaiting-payment') {
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o.status = 'review'; o.payout = 'review';
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if (o.additionalFee) o.additionalFee.payout = 'review';
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} else if (delivery) {
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o.transferId = deliveryId; o.status = 'delivery-pending';
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if (confirmations >= o.requiredConfirmations) {
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o.status = 'complete'; o.payout = 'mock-paid'; l.status = 'sold';
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if (o.additionalFee) o.additionalFee.payout = 'mock-paid';
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}
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} else if (o.status === 'awaiting-payment' && job.observedAt >= o.payBy) {
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o.status = 'expired'; l.status = l.kind === 'fixed' ? 'open' : 'expired';
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} else if (o.status !== 'awaiting-payment') {
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const pending = pendingIds.has(deliveryId);
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const conflict = s.pendingTransfers.some(tx => transactionCardIds(tx).includes(o.cardHash) && transactionId(tx) !== deliveryId);
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if (!this.card(s, o.cardHash, o.seller, o.sequence) || conflict || (job.observedAt >= o.deliverBy && !pending)) o.status = 'refund-required';
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else if (o.status === 'delivery-pending' && !pending) o.status = 'paid';
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}
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this.saveOrder(o); this.saveListing(l);
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}
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} else if (job.stage === 'listings' && rows.length) {
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for (const row of rows) {
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const l = JSON.parse(row.data) as MarketListingRecord;
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if (l.status !== 'open') continue;
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if (l.additionalFee?.bps !== ADDITIONAL_MARKET_FEE.bps || l.additionalFee?.address !== ADDITIONAL_MARKET_FEE.address ||
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!this.card(s, l.cardHash, l.seller, l.sequence) || s.pendingTransfers.some(tx => transactionCardIds(tx).includes(l.cardHash))) l.status = 'invalid';
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else if (l.kind === 'auction' && job.observedAt >= l.endsAt! + PAYMENT_WINDOW) l.status = 'expired';
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else if (l.kind === 'auction' && job.observedAt >= l.endsAt! && !l.highestBid) l.status = 'expired';
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this.saveListing(l);
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}
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}
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if (job.stage === 'orders') {
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if (rows.length < RECONCILE_BATCH_SIZE) nextJob = { ...job, stage: 'listings', afterId: null };
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else nextJob = { ...job, afterId: rows.at(-1)!.id };
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} else {
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if (rows.length < RECONCILE_BATCH_SIZE) {
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this.db.prepare('DELETE FROM receipts WHERE expires < ?').run(job.observedAt - 86400_000);
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if (eventPage) {
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this.db.prepare('INSERT INTO market_meta(key,value) VALUES(?,?) ON CONFLICT(key) DO UPDATE SET value=excluded.value')
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.run('canonical_event_cursor', JSON.stringify({ version: 1, streamId: eventPage.streamId,
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cursor: eventPage.cursor, anchor: eventPage.anchor }));
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}
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this.db.prepare('DELETE FROM market_meta WHERE key=?').run(RECONCILIATION_JOB_KEY);
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completed = true;
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} else nextJob = { ...job, afterId: rows.at(-1)!.id };
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}
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if (nextJob) this.db.prepare('UPDATE market_meta SET value=? WHERE key=?').run(JSON.stringify(nextJob), RECONCILIATION_JOB_KEY);
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});
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if (completed) {
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this.reconciliationJob = undefined;
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if (eventPage) {
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this.eventCursor = eventPage.cursor;
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this.eventCheckpoint = { version: 1, streamId: eventPage.streamId, cursor: eventPage.cursor, anchor: eventPage.anchor };
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// The ledger can append events while large journals are processed over many bounded calls.
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// Do not mark the market reconciled to a newer tip until those post-page events are consumed.
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const currentHead = this.chain.canonicalHead?.() ?? eventPage.head;
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this.eventBacklog = !eventPage.caughtUp || currentHead > eventPage.cursor;
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} else this.eventBacklog = false;
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const current = this.chain.summary?.();
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if (current && !this.eventBacklog) this.reconciled = { ...current, at: now };
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} else {
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this.reconciliationJob = nextJob;
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this.eventBacklog = true;
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}
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// Empty/short order pages can advance to the listing stage in the same bounded call. This
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// avoids rejecting the first command on an empty market while still capping work at 2×128 rows.
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if (!completed && job.stage === 'orders' && rows.length < RECONCILE_BATCH_SIZE) this.reconcile();
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}
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browse(offset = 0): { listings: MarketListingRecord[]; next: number | null; info: MarketInfo } {
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if (!Number.isSafeInteger(offset) || offset < 0 || offset > 10000) throw new Error('Invalid marketplace page');
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// Reconciliation must not interleave with delivery submission while its chain await is outstanding.
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const summary = this.chain.summary?.();
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const last = this.reconciled;
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if (!this.queued && (this.hasReconciliationBacklog() || !summary || !last || summary.tip !== last.tip ||
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summary.revision !== last.revision || this.now() - last.at >= RECONCILIATION_FRESH_MS)) this.reconcile();
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if (!resolvedMarketPolicy(this.config).marketEnabled) return { listings: [], next: null, info: this.info() };
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const rows = this.db.prepare("SELECT data FROM listings WHERE status IN ('open','reserved') ORDER BY rowid DESC LIMIT 25 OFFSET ?")
|
||
.all(offset) as { data: string }[];
|
||
return { listings: rows.slice(0,24).map(r=>JSON.parse(r.data)), next: rows.length>24?offset+24:null, info: this.info() };
|
||
}
|
||
execute(raw: unknown): Promise<MarketActivityV3 | MarketListingRecord | MarketOrderRecord> {
|
||
const current = marketCommandV3Schema.safeParse(raw);
|
||
const cmd = current.success ? current.data : marketCommandSchema.parse(raw);
|
||
if (this.queued >= 64) return Promise.reject(new Error('Marketplace busy; retry shortly'));
|
||
this.queued++;
|
||
const result = this.queue.then(async () => {
|
||
try { return await this.run(cmd); }
|
||
finally { this.queued--; }
|
||
});
|
||
this.queue = result.catch(() => undefined);
|
||
return result;
|
||
}
|
||
private async run(c: MarketCommand | MarketCommandV3): Promise<MarketActivityV3 | MarketListingRecord | MarketOrderRecord> {
|
||
const now = this.now();
|
||
const isV3 = 'version' in c;
|
||
const message = isV3 ? marketMessageV3(c) : marketMessage(c);
|
||
if (c.chainId !== CHAIN_ID || c.marketId !== this.id || c.expiresAt < now || c.expiresAt > now + 5 * 60_000 ||
|
||
!verifySignature(c.publicKey, c.actor, message, c.signature)) throw new Error('Invalid or expired marketplace signature');
|
||
const key = `${c.actor}:${c.nonce}`, digest = message;
|
||
const old = this.db.prepare('SELECT digest,data FROM receipts WHERE id=?').get(key) as { digest: string; data: string } | undefined;
|
||
if (old) {
|
||
if (old.digest !== digest) throw new Error('Nonce already used for different terms');
|
||
return JSON.parse(old.data);
|
||
}
|
||
if (!permitsMarketAction(this.config, c.action.type)) throw new Error('New market trading is disabled by this host; existing activity and resolution remain available');
|
||
const a = c.action;
|
||
const summary = this.chain.summary?.(), last = this.reconciled;
|
||
if (this.hasReconciliationBacklog() || a.type !== 'activity' || !summary || !last || summary.tip !== last.tip || summary.revision !== last.revision ||
|
||
this.now() - last.at >= RECONCILIATION_FRESH_MS) this.reconcile();
|
||
if (this.eventBacklog && a.type !== 'activity') throw new RpcError(503, 'Market canonical reconciliation is catching up; retry shortly.');
|
||
if (a.type === 'activity') return {
|
||
orders: (this.db.prepare("SELECT data FROM orders WHERE json_extract(data,'$.seller')=? OR json_extract(data,'$.buyer')=? ORDER BY rowid DESC")
|
||
.all(c.actor,c.actor) as { data: string }[]).map(r=>JSON.parse(r.data) as MarketOrderRecord),
|
||
listings: (this.db.prepare("SELECT data FROM listings WHERE json_extract(data,'$.seller')=? ORDER BY rowid DESC")
|
||
.all(c.actor) as { data: string }[]).map(r=>JSON.parse(r.data) as MarketListingRecord) };
|
||
if (a.type === 'deliver') {
|
||
const o = this.order(a.orderId), tx = transferSchema.parse(a.transfer);
|
||
if (isV3 && !isXmrOrder(o) || !isV3 && isXmrOrder(o) || o.seller !== c.actor || !['paid', 'delivery-pending'].includes(o.status)) throw new Error('Only the paid order seller can deliver under the order terms');
|
||
if (tx.cardHash !== o.cardHash || tx.sequence !== o.sequence || tx.from !== o.seller || tx.to !== o.buyer ||
|
||
!verifySignature(tx.publicKey, tx.from, nftTransferMessage(tx), tx.signature)) throw new Error('Delivery does not match this sale');
|
||
// Persist intent before the ledger await. A crash/restart reconciles by deterministic tx ID.
|
||
o.transfer = tx; o.transferId = transactionId(tx); o.status = 'delivery-pending'; this.saveOrder(o);
|
||
await this.chain.submitTransfer(tx);
|
||
return this.receipt(key, digest, c.expiresAt, o);
|
||
}
|
||
return this.atomic(() => {
|
||
const result = isV3 ? this.mutateV3(c) : this.mutateV2(c);
|
||
return this.receipt(key, digest, c.expiresAt, result);
|
||
});
|
||
}
|
||
private receipt<T>(key: string, digest: string, expires: number, value: T): T {
|
||
this.db.prepare('INSERT INTO receipts VALUES(?,?,?,?)').run(key, digest, expires, JSON.stringify(value));
|
||
return value;
|
||
}
|
||
private mutateV2(c: MarketCommand): MarketActivityV3 | MarketListingRecord | MarketOrderRecord {
|
||
const a = c.action, now = this.now(), s = this.view();
|
||
if (a.type === 'list') {
|
||
throw new Error('USD listing terms are retired; create a new native-XMR listing');
|
||
}
|
||
if (a.type === 'cancel') {
|
||
const l = this.listing(a.listingId);
|
||
if (isXmrListing(l) || l.status !== 'open') throw new Error('USD legacy listing cannot be changed under this command');
|
||
if (l.seller !== c.actor || l.highestBid) throw new Error('Only the seller can cancel, and auctions with bids cannot be cancelled');
|
||
l.status = 'cancelled'; this.saveListing(l); return l;
|
||
}
|
||
if (a.type === 'mock-pay' || a.type === 'refund') {
|
||
const o = this.order(a.orderId);
|
||
if (isXmrOrder(o)) throw new Error('Use native-XMR signed terms for this order');
|
||
if (o.buyer !== c.actor) throw new Error('Only the order buyer can perform this action');
|
||
if (a.type === 'mock-pay') {
|
||
if (o.status !== 'awaiting-payment' || now >= o.payBy) throw new Error('Invoice is not payable');
|
||
if (!this.card(s, o.cardHash, o.seller, o.sequence) || s.pendingTransfers.some(tx => transactionCardIds(tx).includes(o.cardHash))) throw new Error('Seller card changed; do not pay');
|
||
o.status = 'paid'; o.deliverBy = now + DELIVERY_WINDOW;
|
||
} else {
|
||
if (o.status !== 'refund-required' || s.pendingTransfers.some(tx => transactionCardIds(tx).includes(o.cardHash)) ||
|
||
s.transaction(this.deliveryId(o))) throw new Error('Refund requires failed delivery and no pending/canonical sale transfer');
|
||
o.status = 'refunded'; const l = this.listing(o.listingId); l.status = 'cancelled'; this.saveListing(l);
|
||
}
|
||
this.saveOrder(o); return o;
|
||
}
|
||
if (a.type === 'activity') return {
|
||
orders: (this.db.prepare("SELECT data FROM orders WHERE json_extract(data,'$.seller')=? OR json_extract(data,'$.buyer')=? ORDER BY rowid DESC")
|
||
.all(c.actor,c.actor) as { data: string }[]).map(r=>JSON.parse(r.data) as MarketOrderRecord),
|
||
listings: (this.db.prepare("SELECT data FROM listings WHERE json_extract(data,'$.seller')=? ORDER BY rowid DESC")
|
||
.all(c.actor) as { data: string }[]).map(r=>JSON.parse(r.data) as MarketListingRecord) };
|
||
if (a.type === 'deliver') throw new Error('Legacy delivery is handled by the common signed-order delivery path');
|
||
throw new Error('Legacy USD bids and checkout are retired; only already-created orders may proceed');
|
||
}
|
||
|
||
private mutateV3(c: MarketCommandV3): MarketActivityV3 | MarketListingRecord | MarketOrderRecord {
|
||
const a = c.action, now = this.now(), s = this.view();
|
||
if (a.type === 'list') {
|
||
if (a.feeBps !== this.config.feeBps) throw new Error('Market fee changed; review and sign again');
|
||
const hostFeeAddress = resolvedMarketPolicy(this.config).hostFeeAddress;
|
||
if ((a.hostFeeAddress ?? ADDITIONAL_MARKET_FEE.address) !== hostFeeAddress) throw new Error('Host fee recipient changed; review and sign again');
|
||
if (!this.card(s, a.cardHash, c.actor, a.sequence) || s.pendingTransfers.some(tx => transactionCardIds(tx).includes(a.cardHash))) throw new Error('Card is missing, stale, immature, or already pending');
|
||
if (a.kind === 'fixed' ? a.endsAt !== null : a.endsAt === null || a.endsAt < now + 60_000 || a.endsAt > now + 30 * 86400_000) throw new Error('Auction duration must be 1 minute to 30 days; fixed listings have no end');
|
||
const activeListings = this.db.prepare(`SELECT COUNT(*) AS n FROM listings
|
||
WHERE json_extract(data,'$.seller')=? AND status IN ('open','reserved')`).get(c.actor) as { n: number };
|
||
if (activeListings.n >= 100) throw new Error('Limit: 100 active listings per seller');
|
||
if ((this.db.prepare('SELECT COUNT(*) AS n FROM listings').get() as { n: number }).n >= 10000) throw new Error('Marketplace journal limit reached; operator archival required');
|
||
if (this.db.prepare("SELECT 1 FROM listings WHERE card=? AND status IN ('open','reserved')").get(a.cardHash)) throw new Error('Card already listed');
|
||
const mint = s.nft(a.cardHash)!.block;
|
||
const l: MarketListingV3 = { id: randomUUID(), termsVersion: 3, cardHash: a.cardHash, sequence: a.sequence,
|
||
seller: c.actor, title: mint.article.title, image: mint.article.image!, kind: a.kind,
|
||
priceAtomicXmr: a.priceAtomicXmr, feeBps: a.feeBps, hostFeeAddress, additionalFee: { ...ADDITIONAL_MARKET_FEE },
|
||
createdAt: now, endsAt: a.endsAt, status: 'open', highestBid: null };
|
||
this.saveListing(l); return l;
|
||
}
|
||
if (a.type === 'retire-legacy-listing') {
|
||
const listing = this.listing(a.listingId);
|
||
if (isXmrListing(listing)) throw new Error('Native-XMR listings use the signed cancel action');
|
||
if (listing.seller !== c.actor || !['open','invalid'].includes(listing.status)) throw new Error('Only the seller can retire an unreserved legacy listing');
|
||
if (listing.highestBid) throw new Error('Legacy auction has bids; resolve or wait for its original terms before retirement');
|
||
if (this.db.prepare("SELECT 1 FROM orders WHERE json_extract(data,'$.listingId')=? AND json_extract(data,'$.status') IN ('awaiting-payment','paid','delivery-pending','refund-required','review') LIMIT 1").get(listing.id)) {
|
||
throw new Error('Legacy listing has an in-flight order; preserve that order under its original terms');
|
||
}
|
||
listing.status = 'cancelled'; this.saveListing(listing); return listing;
|
||
}
|
||
if (a.type === 'bid' || a.type === 'buy' || a.type === 'cancel') {
|
||
const l = this.listing(a.listingId);
|
||
if (!isXmrListing(l)) throw new Error('Legacy USD listings are read-only; seller must retire and relist with fresh XMR authorization');
|
||
if (l.status !== 'open') throw new Error('Listing is no longer available');
|
||
if (a.type === 'cancel') {
|
||
if (l.seller !== c.actor || l.highestBid) throw new Error('Only the seller can cancel, and auctions with bids cannot be cancelled');
|
||
l.status = 'cancelled'; this.saveListing(l); return l;
|
||
}
|
||
if (l.seller === c.actor) throw new Error('Cannot buy or bid on your own card');
|
||
if (a.type === 'bid') {
|
||
if (l.kind !== 'auction' || now >= l.endsAt!) throw new Error('Auction is not accepting bids');
|
||
const minimum = l.highestBid ? BigInt(l.highestBid.priceAtomicXmr) + 1n : BigInt(l.priceAtomicXmr);
|
||
if (BigInt(a.priceAtomicXmr) < minimum) throw new Error('Bid must meet the start price and exceed the current bid by one atomic unit');
|
||
l.highestBid = { bidder: c.actor, priceAtomicXmr: a.priceAtomicXmr }; this.saveListing(l); return l;
|
||
}
|
||
const price = l.kind === 'fixed' ? l.priceAtomicXmr : l.highestBid?.priceAtomicXmr;
|
||
const hostFeeAddress = l.hostFeeAddress ?? ADDITIONAL_MARKET_FEE.address;
|
||
if ((a.hostFeeAddress ?? ADDITIONAL_MARKET_FEE.address) !== hostFeeAddress) throw new Error('Host fee recipient does not match signed listing terms');
|
||
if (l.kind === 'auction' && (now < l.endsAt! || now >= l.endsAt! + PAYMENT_WINDOW || l.highestBid?.bidder !== c.actor)) throw new Error('Only the auction winner can check out within 30 minutes of closing');
|
||
if (price !== a.priceAtomicXmr || l.feeBps !== a.feeBps) throw new Error('Sale terms changed; review and sign again');
|
||
if (!this.card(s, l.cardHash, l.seller, l.sequence) || s.pendingTransfers.some(tx => transactionCardIds(tx).includes(l.cardHash))) throw new Error('Card is no longer available');
|
||
if ((this.db.prepare('SELECT COUNT(*) AS n FROM orders').get() as { n: number }).n >= 10000) throw new Error('Marketplace order limit reached; operator archival required');
|
||
const payBy = l.kind === 'auction' ? l.endsAt! + PAYMENT_WINDOW : now + PAYMENT_WINDOW;
|
||
const order: MarketOrderV3 = { id: randomUUID(), termsVersion: 3, listingId: l.id, seller: l.seller, buyer: c.actor,
|
||
cardHash: l.cardHash, sequence: l.sequence, priceAtomicXmr: price!, feeBps: l.feeBps, hostFeeAddress, createdAt: now, payBy,
|
||
deliverBy: payBy + DELIVERY_WINDOW, status: 'awaiting-payment', ...mockXmrQuote(price!, l.feeBps),
|
||
payout: 'not-started', deliveryConfirmations: 0, requiredConfirmations: this.config.confirmations };
|
||
l.status = 'reserved'; this.saveListing(l); this.saveOrder(order); return order;
|
||
}
|
||
if (a.type === 'mock-pay' || a.type === 'refund') {
|
||
const order = this.order(a.orderId);
|
||
if (!isXmrOrder(order)) throw new Error('Legacy USD orders keep their original terms and cannot be changed through native-XMR actions');
|
||
if (order.buyer !== c.actor) throw new Error('Only the order buyer can perform this action');
|
||
if (a.type === 'mock-pay') {
|
||
if (order.status !== 'awaiting-payment' || now >= order.payBy) throw new Error('Invoice is not payable');
|
||
if (!this.card(s, order.cardHash, order.seller, order.sequence) || s.pendingTransfers.some(tx => transactionCardIds(tx).includes(order.cardHash))) throw new Error('Seller card changed; do not pay');
|
||
order.status = 'paid'; order.deliverBy = now + DELIVERY_WINDOW;
|
||
} else {
|
||
if (order.status !== 'refund-required' || s.pendingTransfers.some(tx => transactionCardIds(tx).includes(order.cardHash)) ||
|
||
s.transaction(this.deliveryId(order))) throw new Error('Refund requires failed delivery and no pending/canonical sale transfer');
|
||
order.status = 'refunded'; const listing = this.listing(order.listingId); listing.status = 'cancelled'; this.saveListing(listing);
|
||
}
|
||
this.saveOrder(order); return order;
|
||
}
|
||
throw new Error('Unsupported native-XMR market action');
|
||
}
|
||
}
|