[taler-wallet-core] branch master updated: wallet-core: get rid of duplicated withdrawal info API

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dold pushed a commit to branch master
in repository wallet-core.

The following commit(s) were added to refs/heads/master by this push:
     new 6acddd6d7 wallet-core: get rid of duplicated withdrawal info API
6acddd6d7 is described below

commit 6acddd6d70abc568e4b3740f56662691278aa645
Author: Florian Dold <florian@dold.me>
AuthorDate: Fri Oct 14 18:40:04 2022 +0200

    wallet-core: get rid of duplicated withdrawal info API
---
 packages/taler-util/src/walletTypes.ts             | 124 ++++++++++++++++++---
 packages/taler-wallet-core/src/db.ts               |  16 +--
 .../src/operations/backup/import.ts                |   2 +-
 .../taler-wallet-core/src/operations/withdraw.ts   | 107 ++----------------
 packages/taler-wallet-core/src/wallet.ts           |  55 +++------
 .../src/cta/Withdraw/state.ts                      |  11 +-
 .../src/cta/Withdraw/test.ts                       |  41 ++-----
 packages/taler-wallet-webextension/src/wxApi.ts    |  16 ++-
 8 files changed, 158 insertions(+), 214 deletions(-)

diff --git a/packages/taler-util/src/walletTypes.ts 
b/packages/taler-util/src/walletTypes.ts
index d0765ae31..0891f5cf9 100644
--- a/packages/taler-util/src/walletTypes.ts
+++ b/packages/taler-util/src/walletTypes.ts
@@ -68,6 +68,7 @@ import { BackupRecovery } from "./backupTypes.js";
 import { PaytoUri } from "./payto.js";
 import { TalerErrorCode } from "./taler-error-codes.js";
 import { AgeCommitmentProof } from "./talerCrypto.js";
+import { VersionMatchResult } from "./libtool-version.js";
 
 /**
  * Response for the create reserve request to the wallet.
@@ -692,6 +693,7 @@ export interface ExchangeGlobalFees {
 
   signature: string;
 }
+
 const codecForExchangeAccount = (): Codec<ExchangeAccount> =>
   buildCodecForObject<ExchangeAccount>()
     .property("payto_uri", codecForString())
@@ -929,6 +931,110 @@ export interface ManualWithdrawalDetails {
    * Ways to pay the exchange.
    */
   paytoUris: string[];
+
+  /**
+   * If the exchange supports age-restricted coins it will return
+   * the array of ages.
+   */
+  ageRestrictionOptions?: number[];
+}
+
+/**
+ * Selected denominations withn some extra info.
+ */
+ export interface DenomSelectionState {
+  totalCoinValue: AmountJson;
+  totalWithdrawCost: AmountJson;
+  selectedDenoms: {
+    denomPubHash: string;
+    count: number;
+  }[];
+}
+
+/**
+ * Information about what will happen doing a withdrawal.
+ *
+ * Sent to the wallet frontend to be rendered and shown to the user.
+ */
+ export interface ExchangeWithdrawalDetails {
+  exchangePaytoUris: string[];
+
+  /**
+   * Filtered wire info to send to the bank.
+   */
+  exchangeWireAccounts: string[];
+
+  /**
+   * Selected denominations for withdraw.
+   */
+  selectedDenoms: DenomSelectionState;
+
+  /**
+   * Does the wallet know about an auditor for
+   * the exchange that the reserve.
+   */
+  isAudited: boolean;
+
+  /**
+   * Did the user already accept the current terms of service for the exchange?
+   */
+  termsOfServiceAccepted: boolean;
+
+  /**
+   * The exchange is trusted directly.
+   */
+  isTrusted: boolean;
+
+  /**
+   * The earliest deposit expiration of the selected coins.
+   */
+  earliestDepositExpiration: TalerProtocolTimestamp;
+
+  /**
+   * Number of currently offered denominations.
+   */
+  numOfferedDenoms: number;
+
+  /**
+   * Public keys of trusted auditors for the currency we're withdrawing.
+   */
+  trustedAuditorPubs: string[];
+
+  /**
+   * Result of checking the wallet's version
+   * against the exchange's version.
+   *
+   * Older exchanges don't return version information.
+   */
+  versionMatch: VersionMatchResult | undefined;
+
+  /**
+   * Libtool-style version string for the exchange or "unknown"
+   * for older exchanges.
+   */
+  exchangeVersion: string;
+
+  /**
+   * Libtool-style version string for the wallet.
+   */
+  walletVersion: string;
+
+  /**
+   * Amount that will be subtracted from the reserve's balance.
+   */
+  withdrawalAmountRaw: AmountString;
+
+  /**
+   * Amount that will actually be added to the wallet's balance.
+   */
+  withdrawalAmountEffective: AmountString;
+
+  /**
+   * If the exchange supports age-restricted coins it will return
+   * the array of ages.
+   *
+   */
+  ageRestrictionOptions?: number[];
 }
 
 export interface GetExchangeTosResult {
@@ -1142,24 +1248,6 @@ export const codecForForgetKnownBankAccounts =
       .property("payto", codecForString())
       .build("ForgetKnownBankAccountsRequest");
 
-export interface GetExchangeWithdrawalInfo {
-  exchangeBaseUrl: string;
-  amount: AmountJson;
-  tosAcceptedFormat?: string[];
-  ageRestricted?: number;
-}
-
-export const codecForGetExchangeWithdrawalInfo =
-  (): Codec<GetExchangeWithdrawalInfo> =>
-    buildCodecForObject<GetExchangeWithdrawalInfo>()
-      .property("exchangeBaseUrl", codecForString())
-      .property("amount", codecForAmountJson())
-      .property(
-        "tosAcceptedFormat",
-        codecOptional(codecForList(codecForString())),
-      )
-      .build("GetExchangeWithdrawalInfo");
-
 export interface AbortProposalRequest {
   proposalId: string;
 }
diff --git a/packages/taler-wallet-core/src/db.ts 
b/packages/taler-wallet-core/src/db.ts
index f4cdb68c1..8f7f22292 100644
--- a/packages/taler-wallet-core/src/db.ts
+++ b/packages/taler-wallet-core/src/db.ts
@@ -47,6 +47,7 @@ import {
   DenominationInfo,
   GlobalFees,
   ExchangeGlobalFees,
+  DenomSelectionState,
 } from "@gnu-taler/taler-util";
 import { RetryInfo, RetryTags } from "./util/retries.js";
 import { Event, IDBDatabase } from "@gnu-taler/idb-bridge";
@@ -430,8 +431,11 @@ export interface ExchangeDetailsRecord {
 
   /**
    * Fees for exchange services
+   *
+   * FIXME: Put in separate object store!
    */
   globalFees: ExchangeGlobalFees[];
+
   /**
    * Signing keys we got from the exchange, can also contain
    * older signing keys that are not returned by /keys anymore.
@@ -1280,18 +1284,6 @@ export interface WalletBackupConfState {
   lastBackupNonce?: string;
 }
 
-/**
- * Selected denominations withn some extra info.
- */
-export interface DenomSelectionState {
-  totalCoinValue: AmountJson;
-  totalWithdrawCost: AmountJson;
-  selectedDenoms: {
-    denomPubHash: string;
-    count: number;
-  }[];
-}
-
 export const enum WithdrawalRecordType {
   BankManual = "bank-manual",
   BankIntegrated = "bank-integrated",
diff --git a/packages/taler-wallet-core/src/operations/backup/import.ts 
b/packages/taler-wallet-core/src/operations/backup/import.ts
index e631845f6..f4e6ab5eb 100644
--- a/packages/taler-wallet-core/src/operations/backup/import.ts
+++ b/packages/taler-wallet-core/src/operations/backup/import.ts
@@ -28,6 +28,7 @@ import {
   BackupWgType,
   codecForContractTerms,
   DenomKeyType,
+  DenomSelectionState,
   j2s,
   Logger,
   PayCoinSelection,
@@ -43,7 +44,6 @@ import {
   CoinStatus,
   DenominationRecord,
   DenominationVerificationStatus,
-  DenomSelectionState,
   OperationStatus,
   ProposalDownload,
   PurchaseStatus,
diff --git a/packages/taler-wallet-core/src/operations/withdraw.ts 
b/packages/taler-wallet-core/src/operations/withdraw.ts
index 3c2541e9a..e4bf6cd11 100644
--- a/packages/taler-wallet-core/src/operations/withdraw.ts
+++ b/packages/taler-wallet-core/src/operations/withdraw.ts
@@ -37,10 +37,12 @@ import {
   codecForWithdrawOperationStatusResponse,
   codecForWithdrawResponse,
   DenomKeyType,
+  DenomSelectionState,
   Duration,
   durationFromSpec,
   encodeCrock,
   ExchangeListItem,
+  ExchangeWithdrawalDetails,
   ExchangeWithdrawRequest,
   ForcedDenomSel,
   getRandomBytes,
@@ -67,9 +69,6 @@ import {
   CoinStatus,
   DenominationRecord,
   DenominationVerificationStatus,
-  DenomSelectionState,
-  ExchangeDetailsRecord,
-  ExchangeRecord,
   PlanchetRecord,
   WalletStoresV1,
   WgInfo,
@@ -126,96 +125,6 @@ import {
  */
 const logger = new Logger("operations/withdraw.ts");
 
-/**
- * Information about what will happen when creating a reserve.
- *
- * Sent to the wallet frontend to be rendered and shown to the user.
- */
-export interface ExchangeWithdrawDetails {
-  /**
-   * Exchange that the reserve will be created at.
-   *
-   * FIXME: Should be its own record.
-   */
-  exchangeInfo: ExchangeRecord;
-
-  exchangeDetails: ExchangeDetailsRecord;
-
-  /**
-   * Filtered wire info to send to the bank.
-   */
-  exchangeWireAccounts: string[];
-
-  /**
-   * Selected denominations for withdraw.
-   */
-  selectedDenoms: DenomSelectionState;
-
-  /**
-   * Does the wallet know about an auditor for
-   * the exchange that the reserve.
-   */
-  isAudited: boolean;
-
-  /**
-   * Did the user already accept the current terms of service for the exchange?
-   */
-  termsOfServiceAccepted: boolean;
-
-  /**
-   * The exchange is trusted directly.
-   */
-  isTrusted: boolean;
-
-  /**
-   * The earliest deposit expiration of the selected coins.
-   */
-  earliestDepositExpiration: TalerProtocolTimestamp;
-
-  /**
-   * Number of currently offered denominations.
-   */
-  numOfferedDenoms: number;
-
-  /**
-   * Public keys of trusted auditors for the currency we're withdrawing.
-   */
-  trustedAuditorPubs: string[];
-
-  /**
-   * Result of checking the wallet's version
-   * against the exchange's version.
-   *
-   * Older exchanges don't return version information.
-   */
-  versionMatch: VersionMatchResult | undefined;
-
-  /**
-   * Libtool-style version string for the exchange or "unknown"
-   * for older exchanges.
-   */
-  exchangeVersion: string;
-
-  /**
-   * Libtool-style version string for the wallet.
-   */
-  walletVersion: string;
-
-  withdrawalAmountRaw: AmountString;
-
-  /**
-   * Amount that will actually be added to the wallet's balance.
-   */
-  withdrawalAmountEffective: AmountString;
-
-  /**
-   * If the exchange supports age-restricted coins it will return
-   * the array of ages.
-   *
-   */
-  ageRestrictionOptions?: number[];
-}
-
 /**
  * Check if a denom is withdrawable based on the expiration time,
  * revocation and offered state.
@@ -1280,7 +1189,7 @@ export async function getExchangeWithdrawalInfo(
   exchangeBaseUrl: string,
   instructedAmount: AmountJson,
   ageRestricted: number | undefined,
-): Promise<ExchangeWithdrawDetails> {
+): Promise<ExchangeWithdrawalDetails> {
   const { exchange, exchangeDetails } =
     await ws.exchangeOps.updateExchangeFromUrl(ws, exchangeBaseUrl);
   await updateWithdrawalDenoms(ws, exchangeBaseUrl);
@@ -1378,10 +1287,14 @@ export async function getExchangeWithdrawalInfo(
     }
   }
 
-  const ret: ExchangeWithdrawDetails = {
+  const paytoUris = exchangeDetails.wireInfo.accounts.map((x) => x.payto_uri);
+  if (!paytoUris) {
+    throw Error("exchange is in invalid state");
+  }
+
+  const ret: ExchangeWithdrawalDetails = {
     earliestDepositExpiration,
-    exchangeInfo: exchange,
-    exchangeDetails,
+    exchangePaytoUris: paytoUris,
     exchangeWireAccounts,
     exchangeVersion: exchangeDetails.protocolVersion || "unknown",
     isAudited,
diff --git a/packages/taler-wallet-core/src/wallet.ts 
b/packages/taler-wallet-core/src/wallet.ts
index 254648064..22cbeb4b8 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -47,7 +47,6 @@ import {
   codecForForgetKnownBankAccounts,
   codecForGetContractTermsDetails,
   codecForGetExchangeTosRequest,
-  codecForGetExchangeWithdrawalInfo,
   codecForGetFeeForDeposit,
   codecForGetWithdrawalDetailsForAmountRequest,
   codecForGetWithdrawalDetailsForUri,
@@ -112,7 +111,11 @@ import {
   importDb,
   WalletStoresV1,
 } from "./db.js";
-import { applyDevExperiment, maybeInitDevMode, setDevMode } from 
"./dev-experiments.js";
+import {
+  applyDevExperiment,
+  maybeInitDevMode,
+  setDevMode,
+} from "./dev-experiments.js";
 import { getErrorDetailFromException, TalerError } from "./errors.js";
 import {
   ActiveLongpollInfo,
@@ -248,32 +251,6 @@ const builtinExchanges: string[] = 
["https://exchange.demo.taler.net/";];
 
 const logger = new Logger("wallet.ts");
 
-async function getWithdrawalDetailsForAmount(
-  ws: InternalWalletState,
-  exchangeBaseUrl: string,
-  amount: AmountJson,
-  restrictAge: number | undefined,
-): Promise<ManualWithdrawalDetails> {
-  const wi = await getExchangeWithdrawalInfo(
-    ws,
-    exchangeBaseUrl,
-    amount,
-    restrictAge,
-  );
-  const paytoUris = wi.exchangeDetails.wireInfo.accounts.map(
-    (x) => x.payto_uri,
-  );
-  if (!paytoUris) {
-    throw Error("exchange is in invalid state");
-  }
-  return {
-    amountRaw: Amounts.stringify(amount),
-    amountEffective: Amounts.stringify(wi.selectedDenoms.totalCoinValue),
-    paytoUris,
-    tosAccepted: wi.termsOfServiceAccepted,
-  };
-}
-
 /**
  * Call the right handler for a pending operation without doing
  * any special error handling.
@@ -1038,16 +1015,6 @@ async function dispatchRequestInternal(
       const req = codecForGetWithdrawalDetailsForUri().decode(payload);
       return await getWithdrawalDetailsForUri(ws, req.talerWithdrawUri);
     }
-
-    case "getExchangeWithdrawalInfo": {
-      const req = codecForGetExchangeWithdrawalInfo().decode(payload);
-      return await getExchangeWithdrawalInfo(
-        ws,
-        req.exchangeBaseUrl,
-        req.amount,
-        req.ageRestricted,
-      );
-    }
     case "acceptManualWithdrawal": {
       const req = codecForAcceptManualWithdrawalRequet().decode(payload);
       const res = await createManualWithdrawal(ws, {
@@ -1060,12 +1027,18 @@ async function dispatchRequestInternal(
     case "getWithdrawalDetailsForAmount": {
       const req =
         codecForGetWithdrawalDetailsForAmountRequest().decode(payload);
-      return await getWithdrawalDetailsForAmount(
+      const wi = await getExchangeWithdrawalInfo(
         ws,
         req.exchangeBaseUrl,
         Amounts.parseOrThrow(req.amount),
         req.restrictAge,
       );
+      return {
+        amountRaw: req.amount,
+        amountEffective: Amounts.stringify(wi.selectedDenoms.totalCoinValue),
+        paytoUris: wi.exchangePaytoUris,
+        tosAccepted: wi.termsOfServiceAccepted,
+      };
     }
     case "getBalances": {
       return await getBalances(ws);
@@ -1255,7 +1228,7 @@ async function dispatchRequestInternal(
     case "withdrawFakebank": {
       const req = codecForWithdrawFakebankRequest().decode(payload);
       const amount = Amounts.parseOrThrow(req.amount);
-      const details = await getWithdrawalDetailsForAmount(
+      const details = await getExchangeWithdrawalInfo(
         ws,
         req.exchange,
         amount,
@@ -1265,7 +1238,7 @@ async function dispatchRequestInternal(
         amount: amount,
         exchangeBaseUrl: req.exchange,
       });
-      const paytoUri = details.paytoUris[0];
+      const paytoUri = details.exchangePaytoUris[0];
       const pt = parsePaytoUri(paytoUri);
       if (!pt) {
         throw Error("failed to parse payto URI");
diff --git a/packages/taler-wallet-webextension/src/cta/Withdraw/state.ts 
b/packages/taler-wallet-webextension/src/cta/Withdraw/state.ts
index c2b9e375f..53bac579e 100644
--- a/packages/taler-wallet-webextension/src/cta/Withdraw/state.ts
+++ b/packages/taler-wallet-webextension/src/cta/Withdraw/state.ts
@@ -182,16 +182,15 @@ function exchangeSelectionState(
      * about the withdrawal
      */
     const amountHook = useAsyncAsHook(async () => {
-      const info = await api.getExchangeWithdrawalInfo({
+      const info = await api.getWithdrawalDetailsForAmount({
         exchangeBaseUrl: currentExchange.exchangeBaseUrl,
-        amount: chosenAmount,
-        tosAcceptedFormat: ["text/xml"],
-        ageRestricted,
+        amount: Amounts.stringify(chosenAmount),
+        restrictAge: ageRestricted,
       });
 
       const withdrawAmount = {
-        raw: Amounts.parseOrThrow(info.withdrawalAmountRaw),
-        effective: Amounts.parseOrThrow(info.withdrawalAmountEffective),
+        raw: Amounts.parseOrThrow(info.amountRaw),
+        effective: Amounts.parseOrThrow(info.amountEffective),
       };
 
       return {
diff --git a/packages/taler-wallet-webextension/src/cta/Withdraw/test.ts 
b/packages/taler-wallet-webextension/src/cta/Withdraw/test.ts
index f3598b557..d86771208 100644
--- a/packages/taler-wallet-webextension/src/cta/Withdraw/test.ts
+++ b/packages/taler-wallet-webextension/src/cta/Withdraw/test.ts
@@ -22,14 +22,11 @@
 import {
   Amounts,
   ExchangeFullDetails,
-  ExchangeListItem,
   GetExchangeTosResult,
 } from "@gnu-taler/taler-util";
-import { ExchangeWithdrawDetails } from "@gnu-taler/taler-wallet-core";
 import { expect } from "chai";
 import { mountHook } from "../../test-utils.js";
 import { useComponentStateFromURI } from "./state.js";
-import * as wxApi from "../../wxApi.js";
 
 const exchanges: ExchangeFullDetails[] = [
   {
@@ -162,20 +159,11 @@ describe("Withdraw CTA states", () => {
           },
           {
             listExchanges: async () => ({ exchanges }),
-            getWithdrawalDetailsForUri: async ({
-              talerWithdrawUri,
-            }: any): Promise<ExchangeWithdrawDetails> =>
-              ({
-                amount: "ARS:2",
-                possibleExchanges: exchanges,
-                defaultExchangeBaseUrl: exchanges[0].exchangeBaseUrl,
-              } as Partial<ExchangeWithdrawDetails> as 
ExchangeWithdrawDetails),
-            getExchangeWithdrawalInfo:
-              async (): Promise<ExchangeWithdrawDetails> =>
-                ({
-                  withdrawalAmountRaw: "ARS:2",
-                  withdrawalAmountEffective: "ARS:2",
-                } as any),
+            getWithdrawalDetailsForUri: async ({ talerWithdrawUri }: any) => ({
+              amount: "ARS:2",
+              possibleExchanges: exchanges,
+              defaultExchangeBaseUrl: exchanges[0].exchangeBaseUrl,
+            }),
             getExchangeTos: async (): Promise<GetExchangeTosResult> => ({
               contentType: "text",
               content: "just accept",
@@ -255,19 +243,12 @@ describe("Withdraw CTA states", () => {
             },
           },
           {
-            listExchanges: async () => listExchangesResponse,
-            getWithdrawalDetailsForUri: async ({ talerWithdrawUri }: any) =>
-              ({
-                amount: "ARS:2",
-                possibleExchanges: exchanges,
-                defaultExchangeBaseUrl: exchanges[0].exchangeBaseUrl,
-              } as Partial<ExchangeWithdrawDetails> as 
ExchangeWithdrawDetails),
-            getExchangeWithdrawalInfo:
-              async (): Promise<ExchangeWithdrawDetails> =>
-                ({
-                  withdrawalAmountRaw: "ARS:2",
-                  withdrawalAmountEffective: "ARS:2",
-                } as any),
+            listExchanges: async () => ({ exchanges }),
+            getWithdrawalDetailsForUri: async ({ talerWithdrawUri }: any) => ({
+              amount: "ARS:2",
+              possibleExchanges: exchanges,
+              defaultExchangeBaseUrl: exchanges[0].exchangeBaseUrl,
+            }),
             getExchangeTos: async (): Promise<GetExchangeTosResult> => ({
               contentType: "text",
               content: "just accept",
diff --git a/packages/taler-wallet-webextension/src/wxApi.ts 
b/packages/taler-wallet-webextension/src/wxApi.ts
index e0a1ee238..17083cb5b 100644
--- a/packages/taler-wallet-webextension/src/wxApi.ts
+++ b/packages/taler-wallet-webextension/src/wxApi.ts
@@ -51,8 +51,8 @@ import {
   ExchangesListResponse,
   ForgetKnownBankAccountsRequest,
   GetExchangeTosResult,
-  GetExchangeWithdrawalInfo,
   GetFeeForDepositRequest,
+  GetWithdrawalDetailsForAmountRequest,
   GetWithdrawalDetailsForUriRequest,
   InitiatePeerPullPaymentRequest,
   InitiatePeerPullPaymentResponse,
@@ -60,6 +60,7 @@ import {
   InitiatePeerPushPaymentResponse,
   KnownBankAccounts,
   Logger,
+  ManualWithdrawalDetails,
   NotificationType,
   PaytoUri,
   PrepareDepositRequest,
@@ -81,7 +82,6 @@ import {
 import {
   AddBackupProviderRequest,
   BackupInfo,
-  ExchangeWithdrawDetails,
   PendingOperationsResponse,
   RemoveBackupProviderRequest,
   TalerError,
@@ -459,14 +459,12 @@ export function getWithdrawalDetailsForUri(
   return callBackend("getWithdrawalDetailsForUri", req);
 }
 
-/**
- * Get diagnostics information
- */
-export function getExchangeWithdrawalInfo(
-  req: GetExchangeWithdrawalInfo,
-): Promise<ExchangeWithdrawDetails> {
-  return callBackend("getExchangeWithdrawalInfo", req);
+export function getWithdrawalDetailsForAmount(
+  req: GetWithdrawalDetailsForAmountRequest,
+): Promise<ManualWithdrawalDetails> {
+  return callBackend("getWithdrawalDetailsForAmount", req);
 }
+
 export function getExchangeTos(
   exchangeBaseUrl: string,
   acceptedFormat: string[],

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