702 lines
20 KiB
TypeScript
702 lines
20 KiB
TypeScript
import * as crypto from 'crypto';
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import * as path from 'path';
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import * as fs from 'fs';
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import { app } from 'electron';
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import initSqlJs from 'sql.js';
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import type { Database as SqlJsDatabase, SqlJsStatic } from 'sql.js';
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import { v4 as uuidv4 } from 'uuid';
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// =============================================================================
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// sql.js WASM 文件路径
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// =============================================================================
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function getSqlJsWasmPath(): string {
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// 在开发环境中，WASM 文件在 node_modules 中
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// 在生产环境中，WASM 文件被解压到 app.asar.unpacked 目录
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const isDev = !app.isPackaged;
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if (isDev) {
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// 开发环境: 使用 node_modules 中的文件
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return path.join(__dirname, '../../node_modules/sql.js/dist/sql-wasm.wasm');
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} else {
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// 生产环境: 使用 asar.unpacked 中的文件
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return path.join(process.resourcesPath, 'app.asar.unpacked/node_modules/sql.js/dist/sql-wasm.wasm');
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}
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}
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// =============================================================================
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// 数据库路径
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// =============================================================================
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function getDatabasePath(): string {
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const userDataPath = app.getPath('userData');
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return path.join(userDataPath, 'service-party.db');
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}
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// =============================================================================
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// 加密配置
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// =============================================================================
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const ALGORITHM = 'aes-256-gcm';
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const KEY_LENGTH = 32;
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const IV_LENGTH = 16;
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const SALT_LENGTH = 32;
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const TAG_LENGTH = 16;
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const ITERATIONS = 100000;
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// =============================================================================
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// 数据类型定义
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// =============================================================================
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export interface ShareRecord {
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id: string;
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session_id: string;
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wallet_name: string;
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party_id: string;
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party_index: number;
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threshold_t: number;
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threshold_n: number;
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public_key_hex: string;
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encrypted_share: string;
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created_at: string;
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last_used_at: string | null;
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participants_json: string; // JSON 存储参与者列表
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}
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export interface DerivedAddressRecord {
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id: string;
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share_id: string;
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chain: string;
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derivation_path: string;
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address: string;
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public_key_hex: string;
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created_at: string;
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}
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export interface SigningHistoryRecord {
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id: string;
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share_id: string;
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session_id: string;
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message_hash: string;
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signature: string | null;
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status: 'pending' | 'in_progress' | 'completed' | 'failed';
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error_message: string | null;
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created_at: string;
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completed_at: string | null;
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}
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export interface SettingsRecord {
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key: string;
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value: string;
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}
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// =============================================================================
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// 数据库管理类 (使用 sql.js - 纯 JavaScript SQLite)
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// =============================================================================
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export class DatabaseManager {
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private db: SqlJsDatabase | null = null;
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private SQL: SqlJsStatic | null = null;
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private dbPath: string;
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private initPromise: Promise<void>;
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constructor() {
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this.dbPath = getDatabasePath();
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this.initPromise = this.initialize();
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}
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/**
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* 初始化数据库
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*/
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private async initialize(): Promise<void> {
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// 获取 WASM 文件路径
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const wasmPath = getSqlJsWasmPath();
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console.log('[Database] WASM path:', wasmPath);
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console.log('[Database] WASM exists:', fs.existsSync(wasmPath));
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// 初始化 sql.js (加载 WASM)
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// 如果 WASM 文件不存在，让 sql.js 自己处理（会尝试从 CDN 加载或使用内置版本）
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const config: { locateFile?: (file: string) => string } = {};
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if (fs.existsSync(wasmPath)) {
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config.locateFile = (file: string) => {
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if (file === 'sql-wasm.wasm') {
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return wasmPath;
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}
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return file;
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};
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}
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this.SQL = await initSqlJs(config);
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// 如果数据库文件存在，加载它
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if (fs.existsSync(this.dbPath)) {
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const buffer = fs.readFileSync(this.dbPath);
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this.db = new this.SQL.Database(buffer);
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} else {
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this.db = new this.SQL.Database();
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}
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// 创建表结构
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this.createTables();
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this.saveToFile();
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}
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/**
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* 确保数据库已初始化
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*/
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private async ensureReady(): Promise<void> {
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await this.initPromise;
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}
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/**
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* 创建表结构
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*/
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private createTables(): void {
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if (!this.db) return;
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this.db.run(`
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CREATE TABLE IF NOT EXISTS shares (
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id TEXT PRIMARY KEY,
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session_id TEXT NOT NULL,
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wallet_name TEXT NOT NULL,
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party_id TEXT NOT NULL,
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party_index INTEGER NOT NULL,
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threshold_t INTEGER NOT NULL,
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threshold_n INTEGER NOT NULL,
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public_key_hex TEXT NOT NULL,
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encrypted_share TEXT NOT NULL,
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created_at TEXT NOT NULL,
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last_used_at TEXT,
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participants_json TEXT NOT NULL DEFAULT '[]'
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)
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`);
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this.db.run(`
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CREATE TABLE IF NOT EXISTS derived_addresses (
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id TEXT PRIMARY KEY,
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share_id TEXT NOT NULL,
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chain TEXT NOT NULL,
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derivation_path TEXT NOT NULL,
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address TEXT NOT NULL,
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public_key_hex TEXT NOT NULL,
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created_at TEXT NOT NULL,
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UNIQUE(share_id, chain, derivation_path)
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)
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`);
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this.db.run(`
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CREATE TABLE IF NOT EXISTS signing_history (
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id TEXT PRIMARY KEY,
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share_id TEXT NOT NULL,
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session_id TEXT NOT NULL,
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message_hash TEXT NOT NULL,
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signature TEXT,
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status TEXT NOT NULL DEFAULT 'pending',
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error_message TEXT,
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created_at TEXT NOT NULL,
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completed_at TEXT
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)
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`);
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this.db.run(`
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CREATE TABLE IF NOT EXISTS settings (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL
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)
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`);
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// 创建索引
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this.db.run(`CREATE INDEX IF NOT EXISTS idx_shares_session ON shares(session_id)`);
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this.db.run(`CREATE INDEX IF NOT EXISTS idx_addresses_share ON derived_addresses(share_id)`);
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this.db.run(`CREATE INDEX IF NOT EXISTS idx_addresses_chain ON derived_addresses(chain)`);
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this.db.run(`CREATE INDEX IF NOT EXISTS idx_history_share ON signing_history(share_id)`);
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this.db.run(`CREATE INDEX IF NOT EXISTS idx_history_status ON signing_history(status)`);
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// 插入默认设置
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this.db.run(`INSERT OR IGNORE INTO settings (key, value) VALUES (?, ?)`, ['message_router_url', 'mpc-grpc.szaiai.com:443']);
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this.db.run(`INSERT OR IGNORE INTO settings (key, value) VALUES (?, ?)`, ['auto_backup', 'false']);
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this.db.run(`INSERT OR IGNORE INTO settings (key, value) VALUES (?, ?)`, ['backup_path', '']);
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}
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/**
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* 保存数据库到文件
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*/
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private saveToFile(): void {
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if (!this.db) return;
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const data = this.db.export();
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const buffer = Buffer.from(data);
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fs.writeFileSync(this.dbPath, buffer);
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}
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/**
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* 从密码派生密钥
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*/
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private deriveKey(password: string, salt: Buffer): Buffer {
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return crypto.pbkdf2Sync(password, salt, ITERATIONS, KEY_LENGTH, 'sha256');
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}
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/**
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* 加密数据
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*/
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private encrypt(data: string, password: string): string {
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const salt = crypto.randomBytes(SALT_LENGTH);
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const key = this.deriveKey(password, salt);
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const iv = crypto.randomBytes(IV_LENGTH);
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const cipher = crypto.createCipheriv(ALGORITHM, key, iv);
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let encrypted = cipher.update(data, 'utf8', 'hex');
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encrypted += cipher.final('hex');
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const tag = cipher.getAuthTag();
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// 格式: salt(hex) + iv(hex) + tag(hex) + encrypted(hex)
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return salt.toString('hex') + iv.toString('hex') + tag.toString('hex') + encrypted;
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}
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/**
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* 解密数据
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*/
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private decrypt(encryptedData: string, password: string): string {
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const salt = Buffer.from(encryptedData.slice(0, SALT_LENGTH * 2), 'hex');
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const iv = Buffer.from(encryptedData.slice(SALT_LENGTH * 2, SALT_LENGTH * 2 + IV_LENGTH * 2), 'hex');
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const tag = Buffer.from(encryptedData.slice(SALT_LENGTH * 2 + IV_LENGTH * 2, SALT_LENGTH * 2 + IV_LENGTH * 2 + TAG_LENGTH * 2), 'hex');
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const encrypted = encryptedData.slice(SALT_LENGTH * 2 + IV_LENGTH * 2 + TAG_LENGTH * 2);
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const key = this.deriveKey(password, salt);
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const decipher = crypto.createDecipheriv(ALGORITHM, key, iv);
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decipher.setAuthTag(tag);
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let decrypted = decipher.update(encrypted, 'hex', 'utf8');
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decrypted += decipher.final('utf8');
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return decrypted;
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}
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/**
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* 将查询结果转换为对象数组
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*/
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private queryToObjects<T>(sql: string, params: unknown[] = []): T[] {
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if (!this.db) return [];
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const results = this.db.exec(sql, params);
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if (results.length === 0) return [];
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const columns = results[0].columns;
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return results[0].values.map((row: (number | string | Uint8Array | null)[]) => {
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const obj: Record<string, unknown> = {};
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columns.forEach((col: string, i: number) => {
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obj[col] = row[i];
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});
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return obj as T;
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});
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}
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/**
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* 查询单个对象
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*/
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private queryOne<T>(sql: string, params: unknown[] = []): T | undefined {
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const results = this.queryToObjects<T>(sql, params);
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return results[0];
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}
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// ===========================================================================
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// Share 操作
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// ===========================================================================
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/**
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* 保存 share
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*/
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saveShare(params: {
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sessionId: string;
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walletName: string;
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partyId: string;
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partyIndex: number;
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thresholdT: number;
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thresholdN: number;
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publicKeyHex: string;
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rawShare: string;
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participants: Array<{ partyId: string; name: string }>;
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}, password: string): ShareRecord {
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if (!this.db) throw new Error('Database not initialized');
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const id = uuidv4();
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const encryptedShare = this.encrypt(params.rawShare, password);
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const now = new Date().toISOString();
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this.db.run(`
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INSERT INTO shares (
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id, session_id, wallet_name, party_id, party_index,
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threshold_t, threshold_n, public_key_hex, encrypted_share,
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created_at, participants_json
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, [
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id,
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params.sessionId,
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params.walletName,
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params.partyId,
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params.partyIndex,
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params.thresholdT,
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params.thresholdN,
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params.publicKeyHex,
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encryptedShare,
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now,
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JSON.stringify(params.participants)
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]);
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this.saveToFile();
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return {
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id,
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session_id: params.sessionId,
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wallet_name: params.walletName,
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party_id: params.partyId,
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party_index: params.partyIndex,
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threshold_t: params.thresholdT,
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threshold_n: params.thresholdN,
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public_key_hex: params.publicKeyHex,
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encrypted_share: encryptedShare,
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created_at: now,
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last_used_at: null,
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participants_json: JSON.stringify(params.participants),
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};
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}
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/**
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* 获取所有 share (不含加密数据)
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*/
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listShares(): Omit<ShareRecord, 'encrypted_share'>[] {
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return this.queryToObjects<Omit<ShareRecord, 'encrypted_share'>>(`
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SELECT id, session_id, wallet_name, party_id, party_index,
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threshold_t, threshold_n, public_key_hex, created_at,
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last_used_at, participants_json
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FROM shares
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ORDER BY created_at DESC
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`);
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}
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/**
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* 获取单个 share (解密)
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*/
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getShare(id: string, password: string): ShareRecord & { raw_share: string } {
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const share = this.queryOne<ShareRecord>(`SELECT * FROM shares WHERE id = ?`, [id]);
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if (!share) {
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throw new Error('Share not found');
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}
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const rawShare = this.decrypt(share.encrypted_share, password);
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return {
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...share,
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raw_share: rawShare,
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};
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}
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/**
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* 更新 share 最后使用时间
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*/
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updateShareLastUsed(id: string): void {
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if (!this.db) return;
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this.db.run(`UPDATE shares SET last_used_at = ? WHERE id = ?`, [new Date().toISOString(), id]);
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this.saveToFile();
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}
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/**
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* 删除 share (级联删除派生地址和签名历史)
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*/
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deleteShare(id: string): void {
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if (!this.db) return;
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// 手动级联删除
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this.db.run(`DELETE FROM derived_addresses WHERE share_id = ?`, [id]);
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this.db.run(`DELETE FROM signing_history WHERE share_id = ?`, [id]);
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this.db.run(`DELETE FROM shares WHERE id = ?`, [id]);
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this.saveToFile();
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}
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// ===========================================================================
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// 派生地址操作
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// ===========================================================================
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/**
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* 保存派生地址
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*/
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saveDerivedAddress(params: {
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shareId: string;
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chain: string;
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derivationPath: string;
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address: string;
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publicKeyHex: string;
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}): DerivedAddressRecord {
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if (!this.db) throw new Error('Database not initialized');
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const id = uuidv4();
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const now = new Date().toISOString();
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this.db.run(`
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INSERT OR REPLACE INTO derived_addresses (
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id, share_id, chain, derivation_path, address, public_key_hex, created_at
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) VALUES (?, ?, ?, ?, ?, ?, ?)
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`, [
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id,
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params.shareId,
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params.chain,
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params.derivationPath,
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params.address,
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params.publicKeyHex,
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now
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]);
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this.saveToFile();
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return {
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id,
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share_id: params.shareId,
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chain: params.chain,
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derivation_path: params.derivationPath,
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address: params.address,
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public_key_hex: params.publicKeyHex,
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created_at: now,
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};
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}
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/**
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* 获取 share 的所有派生地址
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*/
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getAddressesByShare(shareId: string): DerivedAddressRecord[] {
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return this.queryToObjects<DerivedAddressRecord>(`
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SELECT * FROM derived_addresses
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WHERE share_id = ?
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ORDER BY chain, derivation_path
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`, [shareId]);
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}
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/**
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* 根据链获取地址
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*/
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getAddressByChain(shareId: string, chain: string): DerivedAddressRecord | undefined {
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return this.queryOne<DerivedAddressRecord>(`
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SELECT * FROM derived_addresses
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WHERE share_id = ? AND chain = ?
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LIMIT 1
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`, [shareId, chain]);
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}
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/**
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* 获取所有指定链的地址
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*/
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getAllAddressesByChain(chain: string): DerivedAddressRecord[] {
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return this.queryToObjects<DerivedAddressRecord>(`
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SELECT * FROM derived_addresses
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WHERE chain = ?
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ORDER BY created_at DESC
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`, [chain]);
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}
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// ===========================================================================
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// 签名历史操作
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// ===========================================================================
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/**
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* 创建签名历史记录
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*/
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createSigningHistory(params: {
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shareId: string;
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sessionId: string;
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messageHash: string;
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}): SigningHistoryRecord {
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if (!this.db) throw new Error('Database not initialized');
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const id = uuidv4();
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const now = new Date().toISOString();
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this.db.run(`
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INSERT INTO signing_history (
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id, share_id, session_id, message_hash, status, created_at
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) VALUES (?, ?, ?, ?, 'pending', ?)
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`, [id, params.shareId, params.sessionId, params.messageHash, now]);
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this.saveToFile();
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return {
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id,
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share_id: params.shareId,
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session_id: params.sessionId,
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message_hash: params.messageHash,
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signature: null,
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status: 'pending',
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error_message: null,
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created_at: now,
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completed_at: null,
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};
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}
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/**
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* 更新签名历史状态
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*/
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updateSigningHistory(id: string, params: {
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status: SigningHistoryRecord['status'];
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signature?: string;
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errorMessage?: string;
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}): void {
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if (!this.db) return;
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const completedAt = params.status === 'completed' || params.status === 'failed'
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? new Date().toISOString()
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: null;
|
||
|
||
this.db.run(`
|
||
UPDATE signing_history
|
||
SET status = ?, signature = ?, error_message = ?, completed_at = ?
|
||
WHERE id = ?
|
||
`, [
|
||
params.status,
|
||
params.signature || null,
|
||
params.errorMessage || null,
|
||
completedAt,
|
||
id
|
||
]);
|
||
|
||
this.saveToFile();
|
||
}
|
||
|
||
/**
|
||
* 获取 share 的签名历史
|
||
*/
|
||
getSigningHistoryByShare(shareId: string): SigningHistoryRecord[] {
|
||
return this.queryToObjects<SigningHistoryRecord>(`
|
||
SELECT * FROM signing_history
|
||
WHERE share_id = ?
|
||
ORDER BY created_at DESC
|
||
`, [shareId]);
|
||
}
|
||
|
||
// ===========================================================================
|
||
// 设置操作
|
||
// ===========================================================================
|
||
|
||
/**
|
||
* 获取设置
|
||
*/
|
||
getSetting(key: string): string | undefined {
|
||
const row = this.queryOne<{ value: string }>(`SELECT value FROM settings WHERE key = ?`, [key]);
|
||
return row?.value;
|
||
}
|
||
|
||
/**
|
||
* 保存设置
|
||
*/
|
||
setSetting(key: string, value: string): void {
|
||
if (!this.db) return;
|
||
this.db.run(`INSERT OR REPLACE INTO settings (key, value) VALUES (?, ?)`, [key, value]);
|
||
this.saveToFile();
|
||
}
|
||
|
||
/**
|
||
* 获取所有设置
|
||
*/
|
||
getAllSettings(): Record<string, string> {
|
||
const rows = this.queryToObjects<SettingsRecord>(`SELECT key, value FROM settings`);
|
||
const settings: Record<string, string> = {};
|
||
for (const row of rows) {
|
||
settings[row.key] = row.value;
|
||
}
|
||
return settings;
|
||
}
|
||
|
||
// ===========================================================================
|
||
// 导入导出
|
||
// ===========================================================================
|
||
|
||
/**
|
||
* 导出 share (加密备份)
|
||
*/
|
||
exportShare(id: string, password: string): Buffer {
|
||
const share = this.getShare(id, password);
|
||
const addresses = this.getAddressesByShare(id);
|
||
|
||
const exportData = {
|
||
version: '1.0.0',
|
||
exportedAt: new Date().toISOString(),
|
||
share: {
|
||
session_id: share.session_id,
|
||
wallet_name: share.wallet_name,
|
||
party_id: share.party_id,
|
||
party_index: share.party_index,
|
||
threshold_t: share.threshold_t,
|
||
threshold_n: share.threshold_n,
|
||
public_key_hex: share.public_key_hex,
|
||
raw_share: share.raw_share,
|
||
participants: JSON.parse(share.participants_json),
|
||
},
|
||
addresses: addresses.map(addr => ({
|
||
chain: addr.chain,
|
||
derivation_path: addr.derivation_path,
|
||
address: addr.address,
|
||
public_key_hex: addr.public_key_hex,
|
||
})),
|
||
};
|
||
|
||
const encrypted = this.encrypt(JSON.stringify(exportData), password);
|
||
return Buffer.from(encrypted, 'utf8');
|
||
}
|
||
|
||
/**
|
||
* 导入 share
|
||
*/
|
||
importShare(data: Buffer, password: string): ShareRecord {
|
||
if (!this.db) throw new Error('Database not initialized');
|
||
|
||
const encrypted = data.toString('utf8');
|
||
const decrypted = this.decrypt(encrypted, password);
|
||
const exportData = JSON.parse(decrypted);
|
||
|
||
if (!exportData.version || !exportData.share) {
|
||
throw new Error('Invalid export file format');
|
||
}
|
||
|
||
// 检查是否已存在
|
||
const existing = this.queryOne<{ id: string }>(`
|
||
SELECT id FROM shares WHERE session_id = ? AND party_id = ?
|
||
`, [exportData.share.session_id, exportData.share.party_id]);
|
||
|
||
if (existing) {
|
||
throw new Error('Share already exists');
|
||
}
|
||
|
||
// 保存 share
|
||
const share = this.saveShare({
|
||
sessionId: exportData.share.session_id,
|
||
walletName: exportData.share.wallet_name,
|
||
partyId: exportData.share.party_id,
|
||
partyIndex: exportData.share.party_index,
|
||
thresholdT: exportData.share.threshold_t,
|
||
thresholdN: exportData.share.threshold_n,
|
||
publicKeyHex: exportData.share.public_key_hex,
|
||
rawShare: exportData.share.raw_share,
|
||
participants: exportData.share.participants,
|
||
}, password);
|
||
|
||
// 恢复派生地址
|
||
if (exportData.addresses) {
|
||
for (const addr of exportData.addresses) {
|
||
this.saveDerivedAddress({
|
||
shareId: share.id,
|
||
chain: addr.chain,
|
||
derivationPath: addr.derivation_path,
|
||
address: addr.address,
|
||
publicKeyHex: addr.public_key_hex,
|
||
});
|
||
}
|
||
}
|
||
|
||
return share;
|
||
}
|
||
|
||
/**
|
||
* 关闭数据库连接
|
||
*/
|
||
close(): void {
|
||
if (this.db) {
|
||
this.saveToFile();
|
||
this.db.close();
|
||
this.db = null;
|
||
}
|
||
}
|
||
}
|