manual withdrawal

src/android/index.ts

@@ -37,6 +37,7 @@ import {
   WALLET_EXCHANGE_PROTOCOL_VERSION,
   WALLET_MERCHANT_PROTOCOL_VERSION,
 } from "../operations/versions";
+import { Amounts } from "../util/amounts";
 
 // @ts-ignore: special built-in module
 //import akono = require("akono");
@@ -234,10 +235,9 @@ class AndroidWalletMessageHandler {
         const wallet = await this.wp.promise;
         return await wallet.confirmPay(args.proposalId, args.sessionId);
       }
-      case "createManualReserve": {
+      case "acceptManualWithdrawal": {
         const wallet = await this.wp.promise;
-        const res = await wallet.createReserve(args);
+        const res = await wallet.acceptManualWithdrawal(args.exchangeBaseUrl, Amounts.parseOrThrow(args.amount));
-        await wallet.confirmReserve({ reservePub: res.reservePub });
         return res;
       }
       case "startTunnel": {

src/db.ts

@@ -7,7 +7,7 @@ import { openDatabase, Database, Store, Index } from "./util/query";
  * with each major change.  When incrementing the major version,
  * the wallet should import data from the previous version.
  */
-const TALER_DB_NAME = "taler-walletdb-v5";
+const TALER_DB_NAME = "taler-walletdb-v6";
 
 /**
  * Current database minor version, should be incremented

src/headless/helpers.ts

@@ -26,7 +26,6 @@ import { Wallet } from "../wallet";
 import { MemoryBackend, BridgeIDBFactory, shimIndexedDB } from "idb-bridge";
 import { openTalerDatabase } from "../db";
 import { HttpRequestLibrary } from "../util/http";
-import * as amounts from "../util/amounts";
 import { Bank } from "./bank";
 import fs from "fs";
 import { NodeThreadCryptoWorkerFactory } from "../crypto/workers/nodeThreadWorker";
@@ -36,6 +35,7 @@ import { NodeHttpLib } from "./NodeHttpLib";
 import { Logger } from "../util/logging";
 import { SynchronousCryptoWorkerFactory } from "../crypto/workers/synchronousWorker";
 import { WithdrawalSourceType } from "../types/dbTypes";
+import { Amounts } from "../util/amounts";
 
 const logger = new Logger("helpers.ts");
 
@@ -142,11 +142,7 @@ export async function withdrawTestBalance(
   bankBaseUrl = "https://bank.test.taler.net/",
   exchangeBaseUrl = "https://exchange.test.taler.net/",
 ): Promise<void> {
-  const reserveResponse = await myWallet.createReserve({
+  const reserveResponse = await myWallet.acceptManualWithdrawal(exchangeBaseUrl, Amounts.parseOrThrow(amount));
-    amount: amounts.parseOrThrow(amount),
-    exchange: exchangeBaseUrl,
-    exchangeWire: "payto://unknown",
-  });
 
   const reservePub = reserveResponse.reservePub;
 
@@ -176,6 +172,5 @@ export async function withdrawTestBalance(
   });
 
   await bank.createReserve(bankUser, amount, reservePub, exchangePaytoUri);
-  await myWallet.confirmReserve({ reservePub: reserveResponse.reservePub });
   await donePromise;
 }

src/headless/taler-wallet-cli.ts

@@ -367,9 +367,7 @@ exchangesCli
   })
   .action(async (args) => {
     await withWallet(args, async (wallet) => {
-      await wallet.updateExchangeFromUrl(
+      await wallet.updateExchangeFromUrl(args.exchangesAddCmd.url);
-        args.exchangesAddCmd.url,
-      );
     });
   });
 
@@ -387,12 +385,12 @@ exchangesCli
     await withWallet(args, async (wallet) => {
       await wallet.acceptExchangeTermsOfService(
         args.exchangesAcceptTosCmd.url,
-        args.exchangesAcceptTosCmd.etag
+        args.exchangesAcceptTosCmd.etag,
       );
     });
   });
 
-  exchangesCli
+exchangesCli
   .subcommand("exchangesTosCmd", "tos", {
     help: "Show terms of service.",
   })
@@ -401,9 +399,7 @@ exchangesCli
   })
   .action(async (args) => {
     await withWallet(args, async (wallet) => {
-      const tosResult = await wallet.getExchangeTos(
+      const tosResult = await wallet.getExchangeTos(args.exchangesTosCmd.url);
-        args.exchangesTosCmd.url,
-      );
       console.log(JSON.stringify(tosResult, undefined, 2));
     });
   });
@@ -458,14 +454,10 @@ advancedCli
         console.log("exchange has no accounts");
         return;
       }
-      const reserve = await wallet.createReserve({
+      const reserve = await wallet.acceptManualWithdrawal(
-        amount: Amounts.parseOrThrow(args.withdrawManually.amount),
+        exchange.baseUrl,
-        exchangeWire: acct.payto_uri,
+        Amounts.parseOrThrow(args.withdrawManually.amount),
-        exchange: exchange.baseUrl,
+      );
-      });
-      await wallet.confirmReserve({
-        reservePub: reserve.reservePub,
-      });
       const completePaytoUri = addPaytoQueryParams(acct.payto_uri, {
         amount: args.withdrawManually.amount,
         message: `Taler top-up ${reserve.reservePub}`,

src/operations/pending.ts

@@ -160,20 +160,6 @@ async function gatherReservePending(
       case ReserveRecordStatus.DORMANT:
         // nothing to report as pending
         break;
-      case ReserveRecordStatus.UNCONFIRMED:
-        if (onlyDue) {
-          break;
-        }
-        resp.pendingOperations.push({
-          type: PendingOperationType.Reserve,
-          givesLifeness: false,
-          stage: reserve.reserveStatus,
-          timestampCreated: reserve.timestampCreated,
-          reserveType,
-          reservePub: reserve.reservePub,
-          retryInfo: reserve.retryInfo,
-        });
-        break;
       case ReserveRecordStatus.WAIT_CONFIRM_BANK:
       case ReserveRecordStatus.WITHDRAWING:
       case ReserveRecordStatus.QUERYING_STATUS:

src/operations/reserves.ts

@@ -17,7 +17,6 @@
 import {
   CreateReserveRequest,
   CreateReserveResponse,
-  ConfirmReserveRequest,
   OperationError,
   AcceptWithdrawalResponse,
 } from "../types/walletTypes";
@@ -66,6 +65,8 @@ import {
   reconcileReserveHistory,
   summarizeReserveHistory,
 } from "../util/reserveHistoryUtil";
+import { TransactionHandle } from "../util/query";
+import { addPaytoQueryParams } from "../util/payto";
 
 const logger = new Logger("reserves.ts");
 
@@ -99,14 +100,18 @@ export async function createReserve(
   if (req.bankWithdrawStatusUrl) {
     reserveStatus = ReserveRecordStatus.REGISTERING_BANK;
   } else {
-    reserveStatus = ReserveRecordStatus.UNCONFIRMED;
+    reserveStatus = ReserveRecordStatus.QUERYING_STATUS;
   }
 
   let bankInfo: ReserveBankInfo | undefined;
 
   if (req.bankWithdrawStatusUrl) {
+    if (!req.exchangePaytoUri) {
+      throw Error("Exchange payto URI must be specified for a bank-integrated withdrawal");
+    }
     bankInfo = {
       statusUrl: req.bankWithdrawStatusUrl,
+      exchangePaytoUri: req.exchangePaytoUri,
     };
   }
 
@@ -129,10 +134,9 @@ export async function createReserve(
     reservePriv: keypair.priv,
     reservePub: keypair.pub,
     senderWire: req.senderWire,
-    timestampConfirmed: undefined,
+    timestampBankConfirmed: undefined,
     timestampReserveInfoPosted: undefined,
     bankInfo,
-    exchangeWire: req.exchangeWire,
     reserveStatus,
     lastSuccessfulStatusQuery: undefined,
     retryInfo: initRetryInfo(),
@@ -314,7 +318,7 @@ async function registerReserveWithBank(
   // FIXME: parse bank response
   await ws.http.postJson(bankStatusUrl, {
     reserve_pub: reservePub,
-    selected_exchange: reserve.exchangeWire,
+    selected_exchange: bankInfo.exchangePaytoUri,
   });
   await ws.db.mutate(Stores.reserves, reservePub, (r) => {
     switch (r.reserveStatus) {
@@ -395,7 +399,7 @@ async function processReserveBankStatusImpl(
           return;
       }
       const now = getTimestampNow();
-      r.timestampConfirmed = now;
+      r.timestampBankConfirmed = now;
       r.reserveStatus = ReserveRecordStatus.QUERYING_STATUS;
       r.retryInfo = initRetryInfo();
       return r;
@@ -461,10 +465,6 @@ async function updateReserve(
     throw Error("reserve not in db");
   }
 
-  if (reserve.timestampConfirmed === undefined) {
-    throw Error("reserve not confirmed yet");
-  }
-
   if (reserve.reserveStatus !== ReserveRecordStatus.QUERYING_STATUS) {
     return;
   }
@@ -590,9 +590,6 @@ async function processReserveImpl(
     `Processing reserve ${reservePub} with status ${reserve.reserveStatus}`,
   );
   switch (reserve.reserveStatus) {
-    case ReserveRecordStatus.UNCONFIRMED:
-      // nothing to do
-      break;
     case ReserveRecordStatus.REGISTERING_BANK:
       await processReserveBankStatus(ws, reservePub);
       return await processReserveImpl(ws, reservePub, true);
@@ -615,28 +612,6 @@ async function processReserveImpl(
   }
 }
 
-export async function confirmReserve(
-  ws: InternalWalletState,
-  req: ConfirmReserveRequest,
-): Promise<void> {
-  const now = getTimestampNow();
-  await ws.db.mutate(Stores.reserves, req.reservePub, (reserve) => {
-    if (reserve.reserveStatus !== ReserveRecordStatus.UNCONFIRMED) {
-      return;
-    }
-    reserve.timestampConfirmed = now;
-    reserve.reserveStatus = ReserveRecordStatus.QUERYING_STATUS;
-    reserve.retryInfo = initRetryInfo();
-    return reserve;
-  });
-
-  ws.notify({ type: NotificationType.ReserveUpdated });
-
-  processReserve(ws, req.reservePub, true).catch((e) => {
-    console.log("processing reserve (after confirmReserve) failed:", e);
-  });
-}
-
 /**
  * Withdraw coins from a reserve until it is empty.
  *
@@ -818,7 +793,7 @@ export async function createTalerWithdrawReserve(
     bankWithdrawStatusUrl: withdrawInfo.extractedStatusUrl,
     exchange: selectedExchange,
     senderWire: withdrawInfo.senderWire,
-    exchangeWire: exchangeWire,
+    exchangePaytoUri: exchangeWire,
   });
   // We do this here, as the reserve should be registered before we return,
   // so that we can redirect the user to the bank's status page.
@@ -829,3 +804,34 @@ export async function createTalerWithdrawReserve(
     confirmTransferUrl: withdrawInfo.confirmTransferUrl,
   };
 }
+
+/**
+ * Get payto URIs needed to fund a reserve.
+ */
+export async function getFundingPaytoUris(
+  tx: TransactionHandle,
+  reservePub: string,
+): Promise<string[]> {
+  const r = await tx.get(Stores.reserves, reservePub);
+  if (!r) {
+    logger.error(`reserve ${reservePub} not found (DB corrupted?)`);
+    return [];
+  }
+  const exchange = await tx.get(Stores.exchanges, r.exchangeBaseUrl);
+  if (!exchange) {
+    logger.error(`exchange ${r.exchangeBaseUrl} not found (DB corrupted?)`);
+    return [];
+  }
+  const plainPaytoUris =
+    exchange.wireInfo?.accounts.map((x) => x.payto_uri) ?? [];
+  if (!plainPaytoUris) {
+    logger.error(`exchange ${r.exchangeBaseUrl} has no wire info`);
+    return [];
+  }
+  return plainPaytoUris.map((x) =>
+    addPaytoQueryParams(x, {
+      amount: Amounts.stringify(r.instructedAmount),
+      message: `Taler Withdrawal ${r.reservePub}`,
+    }),
+  );
+}

src/operations/transactions.ts

@@ -35,9 +35,7 @@ import {
   WithdrawalType,
   WithdrawalDetails,
 } from "../types/transactions";
-import { WithdrawalDetailsResponse } from "../types/walletTypes";
+import { getFundingPaytoUris } from "./reserves";
-import { Logger } from "../util/logging";
-import { addPaytoQueryParams } from "../util/payto";
 
 /**
  * Create an event ID from the type and the primary key for the event.
@@ -257,22 +255,9 @@ export async function getTransactions(
             bankConfirmationUrl: r.bankInfo.confirmUrl,
           }
         } else {
-          const exchange = await tx.get(Stores.exchanges, r.exchangeBaseUrl);
-          if (!exchange) {
-            // FIXME: report somehow
-            return;
-          }
-          const plainPaytoUris =  exchange.wireInfo?.accounts.map((x) => x.payto_uri) ?? [];
-          if (!plainPaytoUris) {
-            // FIXME: report somehow
-            return;
-          }
           withdrawalDetails = {
             type: WithdrawalType.ManualTransfer,
-            exchangePaytoUris: plainPaytoUris.map((x) => addPaytoQueryParams(x, {
+            exchangePaytoUris: await getFundingPaytoUris(tx, r.reservePub),
-              amount: Amounts.stringify(r.instructedAmount),
-              message: `Taler Withdrawal ${r.reservePub}`,
-            })),
           };
         }
         transactions.push({

src/types/dbTypes.ts

@@ -48,11 +48,6 @@ import { Timestamp, Duration, getTimestampNow } from "../util/time";
 import { PayCoinSelection, PayCostInfo } from "../operations/pay";
 
 export enum ReserveRecordStatus {
-  /**
-   * Waiting for manual confirmation.
-   */
-  UNCONFIRMED = "unconfirmed",
-
   /**
    * Reserve must be registered with the bank.
    */
@@ -219,8 +214,18 @@ export interface ReserveHistoryRecord {
 }
 
 export interface ReserveBankInfo {
+  /**
+   * Status URL that the wallet will use to query the status
+   * of the Taler withdrawal operation on the bank's side.
+   */
   statusUrl: string;
+
   confirmUrl?: string;
+
+  /**
+   * Exchange payto URI that the bank will use to fund the reserve.
+   */
+  exchangePaytoUri: string;
 }
 
 /**
@@ -262,12 +267,11 @@ export interface ReserveRecord {
   timestampReserveInfoPosted: Timestamp | undefined;
 
   /**
-   * Time when the reserve was confirmed, either manually by the user
+   * Time when the reserve was confirmed by the bank.
-   * or by the bank.
    *
    * Set to undefined if not confirmed yet.
    */
-  timestampConfirmed: Timestamp | undefined;
+  timestampBankConfirmed: Timestamp | undefined;
 
   /**
    * Wire information (as payto URI) for the bank account that
@@ -275,12 +279,6 @@ export interface ReserveRecord {
    */
   senderWire?: string;
 
-  /**
-   * Wire information (as payto URI) for the exchange, specifically
-   * the account that was transferred to when creating the reserve.
-   */
-  exchangeWire: string;
-
   /**
    * Amount that was sent by the user to fund the reserve.
    */

src/types/walletTypes.ts

@@ -246,7 +246,7 @@ export interface CreateReserveRequest {
    * Payto URI that identifies the exchange's account that the funds
    * for this reserve go into.
    */
-  exchangeWire: string;
+  exchangePaytoUri?: string;
 
   /**
    * Wire details (as a payto URI) for the bank account that sent the funds to
@@ -264,7 +264,7 @@ export const codecForCreateReserveRequest = (): Codec<CreateReserveRequest> =>
   makeCodecForObject<CreateReserveRequest>()
     .property("amount", codecForAmountJson())
     .property("exchange", codecForString)
-    .property("exchangeWire", codecForString)
+    .property("exchangePaytoUri", codecForString)
     .property("senderWire", makeCodecOptional(codecForString))
     .property("bankWithdrawStatusUrl", makeCodecOptional(codecForString))
     .build("CreateReserveRequest");
@@ -491,6 +491,18 @@ export interface ExchangeListItem {
   paytoUris: string[];
 }
 
+export interface AcceptManualWithdrawalResult {
+  /**
+   * Payto URIs that can be used to fund the withdrawal.
+   */
+  exchangePaytoUris: string[];
+
+  /**
+   * Public key of the newly created reserve.
+   */
+  reservePub: string;
+}
+
 export interface ManualWithdrawalDetails {
   /**
    * Did the user accept the current version of the exchange's

src/wallet.ts

@@ -56,9 +56,6 @@ import { MerchantRefundDetails, CoinDumpJson } from "./types/talerTypes";
 import {
   BenchmarkResult,
   ConfirmPayResult,
-  ConfirmReserveRequest,
-  CreateReserveRequest,
-  CreateReserveResponse,
   ReturnCoinsRequest,
   SenderWireInfos,
   TipStatus,
@@ -72,6 +69,7 @@ import {
   ExchangesListRespose,
   ManualWithdrawalDetails,
   GetExchangeTosResult,
+  AcceptManualWithdrawalResult,
 } from "./types/walletTypes";
 import { Logger } from "./util/logging";
 
@@ -87,10 +85,11 @@ import {
   processReserve,
   createTalerWithdrawReserve,
   forceQueryReserve,
+  getFundingPaytoUris,
 } from "./operations/reserves";
 
 import { InternalWalletState } from "./operations/state";
-import { createReserve, confirmReserve } from "./operations/reserves";
+import { createReserve } from "./operations/reserves";
 import { processRefreshGroup, createRefreshGroup } from "./operations/refresh";
 import { processWithdrawGroup } from "./operations/withdraw";
 import { getHistory } from "./operations/history";
@@ -171,8 +170,14 @@ export class Wallet {
     exchangeBaseUrl: string,
     amount: AmountJson,
   ): Promise<ManualWithdrawalDetails> {
-    const wi = await getExchangeWithdrawalInfo(this.ws, exchangeBaseUrl, amount);
+    const wi = await getExchangeWithdrawalInfo(
-    const paytoUris = wi.exchangeInfo.wireInfo?.accounts.map((x) => x.payto_uri);
+      this.ws,
+      exchangeBaseUrl,
+      amount,
+    );
+    const paytoUris = wi.exchangeInfo.wireInfo?.accounts.map(
+      (x) => x.payto_uri,
+    );
     if (!paytoUris) {
       throw Error("exchange is in invalid state");
     }
@@ -437,28 +442,23 @@ export class Wallet {
    * Adds the corresponding exchange as a trusted exchange if it is neither
    * audited nor trusted already.
    */
-  async createReserve(
+  async acceptManualWithdrawal(
-    req: CreateReserveRequest,
+    exchangeBaseUrl: string,
-  ): Promise<CreateReserveResponse> {
+    amount: AmountJson,
+  ): Promise<AcceptManualWithdrawalResult> {
     try {
-      return createReserve(this.ws, req);
+      const resp = await createReserve(this.ws, {
-    } finally {
+        amount,
-      this.latch.trigger();
+        exchange: exchangeBaseUrl,
-    }
+      });
-  }
+      const exchangePaytoUris = await this.db.runWithReadTransaction(
-
+        [Stores.exchanges, Stores.reserves],
-  /**
+        (tx) => getFundingPaytoUris(tx, resp.reservePub),
-   * Mark an existing reserve as confirmed.  The wallet will start trying
+      );
-   * to withdraw from that reserve.  This may not immediately succeed,
+      return {
-   * since the exchange might not know about the reserve yet, even though the
+        reservePub: resp.reservePub,
-   * bank confirmed its creation.
+        exchangePaytoUris,
-   *
+      };
-   * A confirmed reserve should be shown to the user in the UI, while
-   * an unconfirmed reserve should be hidden.
-   */
-  async confirmReserve(req: ConfirmReserveRequest): Promise<void> {
-    try {
-      return confirmReserve(this.ws, req);
     } finally {
       this.latch.trigger();
     }
@@ -511,7 +511,7 @@ export class Wallet {
       acceptedEtag: exchange.termsOfServiceAcceptedEtag,
       currentEtag,
       tos,
-    }
+    };
   }
 
   /**
@@ -602,7 +602,7 @@ export class Wallet {
         return {
           exchangeBaseUrl: x.baseUrl,
           currency: details.currency,
-          paytoUris: x.wireInfo.accounts.map(x => x.payto_uri),
+          paytoUris: x.wireInfo.accounts.map((x) => x.payto_uri),
         };
       });
     return {

src/webex/messages.ts

@@ -21,7 +21,6 @@
 // Messages are already documented in wxApi.
 /* tslint:disable:completed-docs */
 
-import { AmountJson } from "../util/amounts";
 import * as dbTypes from "../types/dbTypes";
 import * as walletTypes from "../types/walletTypes";
 
@@ -54,17 +53,6 @@ export interface MessageMap {
     request: {};
     response: void;
   };
-  "create-reserve": {
-    request: {
-      amount: AmountJson;
-      exchange: string;
-    };
-    response: void;
-  };
-  "confirm-reserve": {
-    request: { reservePub: string };
-    response: void;
-  };
   "confirm-pay": {
     request: { proposalId: string; sessionId?: string };
     response: walletTypes.ConfirmPayResult;

src/webex/wxApi.ts

@@ -32,7 +32,6 @@ import {
 import {
   BenchmarkResult,
   ConfirmPayResult,
-  ExchangeWithdrawDetails,
   SenderWireInfos,
   TipStatus,
   WalletBalance,
@@ -172,13 +171,6 @@ export function confirmPay(
   return callBackend("confirm-pay", { proposalId, sessionId });
 }
 
-/**
- * Mark a reserve as confirmed.
- */
-export function confirmReserve(reservePub: string): Promise<void> {
-  return callBackend("confirm-reserve", { reservePub });
-}
-
 /**
  * Check upgrade information
  */
@@ -186,17 +178,6 @@ export function checkUpgrade(): Promise<UpgradeResponse> {
   return callBackend("check-upgrade", {});
 }
 
-/**
- * Create a reserve.
- */
-export function createReserve(args: {
-  amount: AmountJson;
-  exchange: string;
-  senderWire?: string;
-}): Promise<any> {
-  return callBackend("create-reserve", args);
-}
-
 /**
  * Reset database
  */

src/webex/wxBackend.ts

@@ -32,10 +32,7 @@ import {
 import {
   ReturnCoinsRequest,
   WalletDiagnostics,
-  codecForCreateReserveRequest,
-  codecForConfirmReserveRequest,
 } from "../types/walletTypes";
-import { codecForAmountJson } from "../util/amounts";
 import { BrowserHttpLib } from "../util/http";
 import { OpenedPromise, openPromise } from "../util/promiseUtils";
 import { classifyTalerUri, TalerUriType } from "../util/taleruri";
@@ -111,22 +108,6 @@ async function handleMessage(
       }
       return Promise.resolve({});
     }
-    case "create-reserve": {
-      const d = {
-        amount: detail.amount,
-        exchange: detail.exchange,
-        senderWire: detail.senderWire,
-      };
-      const req = codecForCreateReserveRequest().decode(d);
-      return needsWallet().createReserve(req);
-    }
-    case "confirm-reserve": {
-      const d = {
-        reservePub: detail.reservePub,
-      };
-      const req = codecForConfirmReserveRequest().decode(d);
-      return needsWallet().confirmReserve(req);
-    }
     case "confirm-pay": {
       if (typeof detail.proposalId !== "string") {
         throw Error("proposalId must be string");