make wallet-cli runnable under qtart

3 files changed, 28 insertions, 238 deletions

diff --git a/packages/taler-wallet-embedded/build.mjs b/packages/taler-wallet-embedded/build.mjs
index 537a4fbc0..28351e6e5 100755
--- a/packages/taler-wallet-embedded/build.mjs
+++ b/packages/taler-wallet-embedded/build.mjs
@@ -55,6 +55,7 @@ export const buildConfig = {
   format: 'esm',
   platform: 'neutral',
   mainFields: ["module", "main"],
+  conditions: ["qtart"],
   sourcemap: true,
   define: {
     '__VERSION__': `"${_package.version}"`,
diff --git a/packages/taler-wallet-embedded/src/index.ts b/packages/taler-wallet-embedded/src/index.ts
index b505a2d9d..e0a13390d 100644
--- a/packages/taler-wallet-embedded/src/index.ts
+++ b/packages/taler-wallet-embedded/src/index.ts
@@ -18,27 +18,25 @@
  * Imports.
  */
 import {
+  createNativeWalletHost,
   DefaultNodeWalletArgs,
-  getDefaultNodeWallet,
-  getErrorDetailFromException,
   handleWorkerError,
   handleWorkerMessage,
-  Headers,
-  HttpRequestLibrary,
-  HttpRequestOptions,
-  HttpResponse,
-  NodeHttpLib,
   OpenedPromise,
   openPromise,
   Wallet,
-  WALLET_EXCHANGE_PROTOCOL_VERSION,
-  WALLET_MERCHANT_PROTOCOL_VERSION,
 } from "@gnu-taler/taler-wallet-core";
 
 import {
   CoreApiMessageEnvelope,
   CoreApiResponse,
   CoreApiResponseSuccess,
+  createPlatformHttpLib,
+  getErrorDetailFromException,
+  Headers,
+  HttpRequestLibrary,
+  HttpRequestOptions,
+  HttpResponse,
   Logger,
   WalletNotification,
 } from "@gnu-taler/taler-util";
@@ -51,7 +49,7 @@ const logger = new Logger("taler-wallet-embedded/index.ts");
 export class NativeHttpLib implements HttpRequestLibrary {
   useNfcTunnel = false;
 
-  private nodeHttpLib: HttpRequestLibrary = new NodeHttpLib();
+  private httpLib: HttpRequestLibrary = createPlatformHttpLib();
 
   private requestId = 1;
 
@@ -62,7 +60,7 @@ export class NativeHttpLib implements HttpRequestLibrary {
   constructor(private sendMessage: (m: string) => void) {}
 
   fetch(url: string, opt?: HttpRequestOptions): Promise<HttpResponse> {
-    return this.nodeHttpLib.fetch(url, opt);
+    return this.httpLib.fetch(url, opt);
   }
 
   get(url: string, opt?: HttpRequestOptions): Promise<HttpResponse> {
@@ -83,7 +81,7 @@ export class NativeHttpLib implements HttpRequestLibrary {
       );
       return p.promise;
     } else {
-      return this.nodeHttpLib.get(url, opt);
+      return this.httpLib.get(url, opt);
     }
   }
 
@@ -106,7 +104,7 @@ export class NativeHttpLib implements HttpRequestLibrary {
       );
       return p.promise;
     } else {
-      return this.nodeHttpLib.postJson(url, body, opt);
+      return this.httpLib.postJson(url, body, opt);
     }
   }
 
@@ -158,7 +156,7 @@ class NativeWalletMessageHandler {
   walletArgs: DefaultNodeWalletArgs | undefined;
   maybeWallet: Wallet | undefined;
   wp = openPromise<Wallet>();
-  httpLib = new NodeHttpLib();
+  httpLib = createPlatformHttpLib();
 
   /**
    * Handle a request from the native wallet.
@@ -181,7 +179,7 @@ class NativeWalletMessageHandler {
 
     const reinit = async () => {
       logger.info("in reinit");
-      const w = await getDefaultNodeWallet(this.walletArgs);
+      const w = await createNativeWalletHost(this.walletArgs);
       this.maybeWallet = w;
       const resp = await w.handleCoreApiRequest(
         "initWallet",
diff --git a/packages/taler-wallet-embedded/src/wallet-qjs.ts b/packages/taler-wallet-embedded/src/wallet-qjs.ts
index f7b73711c..77d166095 100644
--- a/packages/taler-wallet-embedded/src/wallet-qjs.ts
+++ b/packages/taler-wallet-embedded/src/wallet-qjs.ts
@@ -18,43 +18,25 @@
  * Imports.
  */
 import {
-  AccessStats,
-  DefaultNodeWalletArgs,
-  getErrorDetailFromException,
-  Headers,
-  HttpRequestLibrary,
-  HttpRequestOptions,
-  HttpResponse,
-  openPromise,
-  openTalerDatabase,
-  SetTimeoutTimerAPI,
-  SynchronousCryptoWorkerFactoryPlain,
-  Wallet,
-  WalletApiOperation,
-} from "@gnu-taler/taler-wallet-core";
-
-import {
   CoreApiMessageEnvelope,
   CoreApiResponse,
   CoreApiResponseSuccess,
+  createPlatformHttpLib,
+  getErrorDetailFromException,
   InitRequest,
-  j2s,
   Logger,
   setGlobalLogLevelFromString,
   setPRNG,
   WalletNotification,
 } from "@gnu-taler/taler-util";
-import { BridgeIDBFactory } from "@gnu-taler/idb-bridge";
-import { MemoryBackend } from "@gnu-taler/idb-bridge";
-import { shimIndexedDB } from "@gnu-taler/idb-bridge";
-import { IDBFactory } from "@gnu-taler/idb-bridge";
-
-import * as _qjsOsImp from "os";
-// @ts-ignore
-import * as _qjsStdImp from "std";
-
-const textDecoder = new TextDecoder();
-const textEncoder = new TextEncoder();
+import { qjsOs } from "@gnu-taler/taler-util/qtart";
+import {
+  createNativeWalletHost2,
+  DefaultNodeWalletArgs,
+  openPromise,
+  Wallet,
+  WalletApiOperation,
+} from "@gnu-taler/taler-wallet-core";
 
 setGlobalLogLevelFromString("trace");
 
@@ -66,210 +48,19 @@ setPRNG(function (x: Uint8Array, n: number) {
   for (let i = 0; i < v.length; i++) v[i] = 0;
 });
 
-export interface QjsHttpResp {
-  status: number;
-  data: ArrayBuffer;
-}
-
-export interface QjsHttpOptions {
-  method: string;
-  debug?: boolean;
-  data?: ArrayBuffer;
-  headers?: string[];
-}
-
-export interface QjsOsLib {
-  fetchHttp(url: string, options?: QjsHttpOptions): Promise<QjsHttpResp>;
-  postMessageToHost(s: string): void;
-  setMessageFromHostHandler(h: (s: string) => void): void;
-  rename(oldPath: string, newPath: string): number;
-}
-
-export interface QjsStdLib {
-  writeFile(filename: string, contents: string): void;
-  loadFile(filename: string): string;
-}
-
-// This is not the nodejs "os" module, but the qjs "os" module.
-const qjsOs: QjsOsLib = _qjsOsImp as any;
-
-const qjsStd: QjsStdLib = _qjsStdImp as any;
-
 const logger = new Logger("taler-wallet-embedded/index.ts");
 
-export class NativeHttpLib implements HttpRequestLibrary {
-  get(
-    url: string,
-    opt?: HttpRequestOptions | undefined,
-  ): Promise<HttpResponse> {
-    return this.fetch(url, {
-      method: "GET",
-      ...opt,
-    });
-  }
-  postJson(
-    url: string,
-    body: any,
-    opt?: HttpRequestOptions | undefined,
-  ): Promise<HttpResponse> {
-    return this.fetch(url, {
-      method: "POST",
-      body,
-      ...opt,
-    });
-  }
-  async fetch(
-    url: string,
-    opt?: HttpRequestOptions | undefined,
-  ): Promise<HttpResponse> {
-    const method = opt?.method ?? "GET";
-    let data: ArrayBuffer | undefined = undefined;
-    let headers: string[] = [];
-    if (opt?.headers) {
-      for (let headerName of Object.keys(opt.headers)) {
-        headers.push(`${headerName}: ${opt.headers[headerName]}`);
-      }
-    }
-    if (method.toUpperCase() === "POST") {
-      if (opt?.body) {
-        if (typeof opt.body === "string") {
-          data = textEncoder.encode(opt.body).buffer;
-        } else if (ArrayBuffer.isView(opt.body)) {
-          data = opt.body.buffer;
-        } else if (opt.body instanceof ArrayBuffer) {
-          data = opt.body;
-        } else if (typeof opt.body === "object") {
-          data = textEncoder.encode(JSON.stringify(opt.body)).buffer;
-        }
-      } else {
-        data = new ArrayBuffer(0);
-      }
-    }
-    const res = await qjsOs.fetchHttp(url, {
-      method,
-      data,
-      headers,
-    });
-    return {
-      requestMethod: method,
-      headers: new Headers(),
-      async bytes() {
-        return res.data;
-      },
-      json() {
-        const text = textDecoder.decode(res.data);
-        return JSON.parse(text);
-      },
-      async text() {
-        const text = textDecoder.decode(res.data);
-        return text;
-      },
-      requestUrl: url,
-      status: res.status,
-    };
-  }
-}
-
 function sendNativeMessage(ev: CoreApiMessageEnvelope): void {
   const m = JSON.stringify(ev);
   qjsOs.postMessageToHost(m);
 }
 
-/**
- * Generate a random alphanumeric ID.  Does *not* use cryptographically
- * secure randomness.
- */
-function makeId(length: number): string {
-  let result = "";
-  const characters =
-    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
-  for (let i = 0; i < length; i++) {
-    result += characters.charAt(Math.floor(Math.random() * characters.length));
-  }
-  return result;
-}
-
-export async function getWallet(args: DefaultNodeWalletArgs = {}): Promise<{
-  wallet: Wallet;
-  getDbStats: () => AccessStats;
-}> {
-  BridgeIDBFactory.enableTracing = false;
-  const myBackend = new MemoryBackend();
-  myBackend.enableTracing = false;
-
-  const storagePath = args.persistentStoragePath;
-  if (storagePath) {
-    const dbContentStr = qjsStd.loadFile(storagePath);
-    if (dbContentStr != null) {
-      const dbContent = JSON.parse(dbContentStr);
-      myBackend.importDump(dbContent);
-    }
-
-    myBackend.afterCommitCallback = async () => {
-      logger.trace("committing database");
-      // Allow caller to stop persisting the wallet.
-      if (args.persistentStoragePath === undefined) {
-        return;
-      }
-      const tmpPath = `${args.persistentStoragePath}-${makeId(5)}.tmp`;
-      const dbContent = myBackend.exportDump();
-      qjsStd.writeFile(tmpPath, JSON.stringify(dbContent, undefined, 2));
-      // Atomically move the temporary file onto the DB path.
-      const res = qjsOs.rename(tmpPath, args.persistentStoragePath);
-      if (res != 0) {
-        throw Error("db commit failed at rename");
-      }
-      logger.trace("committing database done");
-    };
-  }
-
-  console.log("done processing storage path");
-
-  BridgeIDBFactory.enableTracing = false;
-
-  const myBridgeIdbFactory = new BridgeIDBFactory(myBackend);
-  const myIdbFactory: IDBFactory = myBridgeIdbFactory as any as IDBFactory;
-
-  let myHttpLib;
-  if (args.httpLib) {
-    myHttpLib = args.httpLib;
-  } else {
-    myHttpLib = new NativeHttpLib();
-  }
-
-  const myVersionChange = (): Promise<void> => {
-    logger.error("version change requested, should not happen");
-    throw Error(
-      "BUG: wallet DB version change event can't happen with memory IDB",
-    );
-  };
-
-  shimIndexedDB(myBridgeIdbFactory);
-
-  const myDb = await openTalerDatabase(myIdbFactory, myVersionChange);
-
-  let workerFactory;
-  workerFactory = new SynchronousCryptoWorkerFactoryPlain();
-
-  const timer = new SetTimeoutTimerAPI();
-
-  const w = await Wallet.create(myDb, myHttpLib, timer, workerFactory);
-
-  if (args.notifyHandler) {
-    w.addNotificationListener(args.notifyHandler);
-  }
-  return {
-    wallet: w,
-    getDbStats: () => myBackend.accessStats,
-  };
-}
-
 class NativeWalletMessageHandler {
   walletArgs: DefaultNodeWalletArgs | undefined;
   initRequest: InitRequest = {};
   maybeWallet: Wallet | undefined;
   wp = openPromise<Wallet>();
-  httpLib = new NativeHttpLib();
+  httpLib = createPlatformHttpLib();
 
   /**
    * Handle a request from the native wallet.
@@ -292,7 +83,7 @@ class NativeWalletMessageHandler {
 
     const reinit = async () => {
       logger.info("in reinit");
-      const wR = await getWallet(this.walletArgs);
+      const wR = await createNativeWalletHost2(this.walletArgs);
       const w = wR.wallet;
       this.maybeWallet = w;
       const resp = await w.handleCoreApiRequest("initWallet", "native-init", {
@@ -422,7 +213,7 @@ globalThis.installNativeWalletListener = installNativeWalletListener;
 globalThis.makeWallet = getWallet;
 
 export async function testWithGv() {
-  const w = await getWallet();
+  const w = await createNativeWalletHost2();
   await w.wallet.client.call(WalletApiOperation.InitWallet, {});
   await w.wallet.client.call(WalletApiOperation.RunIntegrationTest, {
     amountToSpend: "KUDOS:1",
@@ -438,7 +229,7 @@ export async function testWithGv() {
 
 export async function testWithLocal() {
   console.log("running local test");
-  const w = await getWallet({
+  const w = await createNativeWalletHost2({
     persistentStoragePath: "walletdb.json",
   });
   console.log("created wallet");