rwadurian/backend/mpc-system/services/service-party-app/electron/preload.ts

import { contextBridge, ipcRenderer } from 'electron';

// 事件订阅管理
const eventSubscriptions: Map<string, (event: unknown, ...args: unknown[]) => void> = new Map();

// 暴露给渲染进程的 API
contextBridge.exposeInMainWorld('electronAPI', {
  // ===========================================================================
  // gRPC 相关 - Keygen
  // ===========================================================================
  grpc: {
    createSession: (params: {
      walletName: string;
      thresholdT: number;
      thresholdN: number;
      initiatorName: string;
    }) => ipcRenderer.invoke('grpc:createSession', params),

    joinSession: (sessionId: string, participantName: string) =>
      ipcRenderer.invoke('grpc:joinSession', { sessionId, participantName }),

    validateInviteCode: (code: string) =>
      ipcRenderer.invoke('grpc:validateInviteCode', { code }),

    getSessionStatus: (sessionId: string) =>
      ipcRenderer.invoke('grpc:getSessionStatus', { sessionId }),

    subscribeSessionEvents: (sessionId: string, callback: (event: unknown) => void) => {
      const channel = `session:events:${sessionId}`;
      const listener = (_event: unknown, data: unknown) => callback(data);
      eventSubscriptions.set(channel, listener);
      ipcRenderer.on(channel, listener);
      ipcRenderer.send('grpc:subscribeSessionEvents', { sessionId });

      return () => {
        ipcRenderer.removeListener(channel, listener);
        eventSubscriptions.delete(channel);
        ipcRenderer.send('grpc:unsubscribeSessionEvents', { sessionId });
      };
    },

    testConnection: (url: string) =>
      ipcRenderer.invoke('grpc:testConnection', { url }),

    // 签名相关
    validateSigningSession: (code: string) =>
      ipcRenderer.invoke('grpc:validateSigningSession', { code }),

    joinSigningSession: (params: {
      sessionId: string;
      shareId: string;
      password: string;
    }) => ipcRenderer.invoke('grpc:joinSigningSession', params),

    subscribeSigningProgress: (sessionId: string, callback: (event: unknown) => void) => {
      const channel = `signing:progress:${sessionId}`;
      const listener = (_event: unknown, data: unknown) => callback(data);
      eventSubscriptions.set(channel, listener);
      ipcRenderer.on(channel, listener);
      ipcRenderer.send('grpc:subscribeSigningProgress', { sessionId });

      return () => {
        ipcRenderer.removeListener(channel, listener);
        eventSubscriptions.delete(channel);
        ipcRenderer.send('grpc:unsubscribeSigningProgress', { sessionId });
      };
    },
  },

  // ===========================================================================
  // 存储相关 (SQLite)
  // ===========================================================================
  storage: {
    // Share 操作
    saveShare: (share: {
      sessionId: string;
      walletName: string;
      partyId: string;
      partyIndex: number;
      threshold: { t: number; n: number };
      publicKey: string;
      rawShare: string;
      participants?: Array<{ partyId: string; name: string }>;
    }, password: string) =>
      ipcRenderer.invoke('storage:saveShare', { share, password }),

    listShares: () => ipcRenderer.invoke('storage:listShares'),

    getShare: (id: string, password: string) =>
      ipcRenderer.invoke('storage:getShare', { id, password }),

    exportShare: (id: string, password: string) =>
      ipcRenderer.invoke('storage:exportShare', { id, password }),

    importShare: (filePath: string, password: string) =>
      ipcRenderer.invoke('storage:importShare', { filePath, password }),

    deleteShare: (id: string) =>
      ipcRenderer.invoke('storage:deleteShare', { id }),

    // 设置操作
    getSettings: () => ipcRenderer.invoke('storage:getSettings'),

    saveSettings: (settings: {
      messageRouterUrl?: string;
      autoBackup?: boolean;
      backupPath?: string;
    }) => ipcRenderer.invoke('storage:saveSettings', { settings }),
  },

  // ===========================================================================
  // 地址派生相关
  // ===========================================================================
  address: {
    // 派生指定链的地址
    derive: (shareId: string, chain: string, password: string) =>
      ipcRenderer.invoke('address:derive', { shareId, chain, password }),

    // 派生所有支持链的地址
    deriveAll: (shareId: string, password: string) =>
      ipcRenderer.invoke('address:deriveAll', { shareId, password }),

    // 获取 share 的所有派生地址
    list: (shareId: string) =>
      ipcRenderer.invoke('address:list', { shareId }),

    // 获取支持的链列表
    getSupportedChains: () =>
      ipcRenderer.invoke('address:getSupportedChains'),
  },

  // ===========================================================================
  // 签名历史相关
  // ===========================================================================
  signing: {
    // 获取签名历史
    getHistory: (shareId: string) =>
      ipcRenderer.invoke('signing:getHistory', { shareId }),
  },

  // ===========================================================================
  // Kava 区块链相关
  // ===========================================================================
  kava: {
    // 查询 KAVA 余额
    getBalance: (address: string) =>
      ipcRenderer.invoke('kava:getBalance', { address }),

    // 查询所有余额
    getAllBalances: (address: string) =>
      ipcRenderer.invoke('kava:getAllBalances', { address }),

    // 查询账户信息
    getAccountInfo: (address: string) =>
      ipcRenderer.invoke('kava:getAccountInfo', { address }),

    // 构建转账交易 (待 TSS 签名)
    buildSendTx: (params: {
      fromAddress: string;
      toAddress: string;
      amount: string;
      publicKeyHex: string;
      memo?: string;
    }) => ipcRenderer.invoke('kava:buildSendTx', params),

    // 完成签名并广播交易
    completeTxAndBroadcast: (params: {
      unsignedTx: unknown;
      signatureHex: string;
    }) => ipcRenderer.invoke('kava:completeTxAndBroadcast', params),

    // 查询交易状态
    getTxStatus: (txHash: string) =>
      ipcRenderer.invoke('kava:getTxStatus', { txHash }),

    // 获取配置
    getConfig: () => ipcRenderer.invoke('kava:getConfig'),

    // 更新配置
    updateConfig: (config: {
      lcdEndpoint?: string;
      rpcEndpoint?: string;
      chainId?: string;
    }) => ipcRenderer.invoke('kava:updateConfig', { config }),
  },

  // ===========================================================================
  // 对话框相关
  // ===========================================================================
  dialog: {
    selectDirectory: () => ipcRenderer.invoke('dialog:selectDirectory'),

    selectFile: (filters?: { name: string; extensions: string[] }[]) =>
      ipcRenderer.invoke('dialog:selectFile', { filters }),

    saveFile: (defaultPath?: string, filters?: { name: string; extensions: string[] }[]) =>
      ipcRenderer.invoke('dialog:saveFile', { defaultPath, filters }),
  },
});