wip #8489

4 files changed, 65 insertions, 35 deletions

diff --git a/packages/taler-util/src/http-client/bank-conversion.ts b/packages/taler-util/src/http-client/bank-conversion.ts
index 91d07b11b..ea247ccfc 100644
--- a/packages/taler-util/src/http-client/bank-conversion.ts
+++ b/packages/taler-util/src/http-client/bank-conversion.ts
@@ -39,7 +39,7 @@ import {
   codecForCashoutConversionResponse,
   codecForConversionBankConfig,
 } from "./types.js";
-import { makeBearerTokenAuthHeader } from "./utils.js";
+import { CacheEvictor, makeBearerTokenAuthHeader, nullEvictor } from "./utils.js";
 
 export type TalerBankConversionResultByMethod<
   prop extends keyof TalerBankConversionHttpClient,
@@ -48,6 +48,10 @@ export type TalerBankConversionErrorsByMethod<
   prop extends keyof TalerBankConversionHttpClient,
 > = FailCasesByMethod<TalerBankConversionHttpClient, prop>;
 
+export enum TalerBankConversionCacheEviction {
+  UPDATE_RATE,
+}
+
 /**
  * The API is used by the wallets.
  */
@@ -55,12 +59,15 @@ export class TalerBankConversionHttpClient {
   public readonly PROTOCOL_VERSION = "0:0:0";
 
   httpLib: HttpRequestLibrary;
+  cacheEvictor: CacheEvictor<TalerBankConversionCacheEviction>;
 
   constructor(
     readonly baseUrl: string,
     httpClient?: HttpRequestLibrary,
+    cacheEvictor?: CacheEvictor<TalerBankConversionCacheEviction>,
   ) {
     this.httpLib = httpClient ?? createPlatformHttpLib();
+    this.cacheEvictor = cacheEvictor ?? nullEvictor;
   }
 
   isCompatible(version: string): boolean {
@@ -195,8 +202,10 @@ export class TalerBankConversionHttpClient {
       body,
     });
     switch (resp.status) {
-      case HttpStatusCode.NoContent:
+      case HttpStatusCode.NoContent: {
+        this.cacheEvictor.notifySuccess(TalerBankConversionCacheEviction.UPDATE_RATE);
         return opEmptySuccess(resp);
+      }
       case HttpStatusCode.Unauthorized:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.NotImplemented:
diff --git a/packages/taler-util/src/http-client/bank-core.ts b/packages/taler-util/src/http-client/bank-core.ts
index 40e29dcef..4131edb11 100644
--- a/packages/taler-util/src/http-client/bank-core.ts
+++ b/packages/taler-util/src/http-client/bank-core.ts
@@ -38,11 +38,6 @@ import {
   opSuccessFromHttp,
   opUnknownFailure,
 } from "../operation.js";
-import { TalerAuthenticationHttpClient } from "./authentication.js";
-import { TalerBankConversionHttpClient } from "./bank-conversion.js";
-import { TalerBankIntegrationHttpClient } from "./bank-integration.js";
-import { TalerRevenueHttpClient } from "./bank-revenue.js";
-import { TalerWireGatewayHttpClient } from "./bank-wire.js";
 import {
   AccessToken,
   PaginationParams,
@@ -66,9 +61,11 @@ import {
   codecForWithdrawalPublicInfo,
 } from "./types.js";
 import {
+  CacheEvictor,
   addLongPollingParam,
   addPaginationParams,
   makeBearerTokenAuthHeader,
+  nullEvictor,
 } from "./utils.js";
 
 export type TalerCoreBankResultByMethod<
@@ -78,25 +75,38 @@ export type TalerCoreBankErrorsByMethod<
   prop extends keyof TalerCoreBankHttpClient,
 > = FailCasesByMethod<TalerCoreBankHttpClient, prop>;
 
-/**
- * Protocol version spoken with the core bank.
- *
- * Endpoint must be ordered in the same way that in the docs
- * Response code (http and taler) must have the same order that in the docs
- * That way is easier to see changes
- *
- * Uses libtool's current:revision:age versioning.
- */
-export class TalerCoreBankHttpClient {
+export enum TalerCoreBankCacheEviction {
+  DELELE_ACCOUNT,
+  CREATE_ACCOUNT,
+  UPDATE_ACCOUNT,
+  UPDATE_PASSWORD,
+  CREATE_TRANSACTION,
+  CONFIRM_WITHDRAWAL,
+  ABORT_WITHDRAWAL,
+  CREATE_WITHDRAWAL,
+  CREATE_CASHOUT,
+}
+  /**
+   * Protocol version spoken with the core bank.
+   *
+   * Endpoint must be ordered in the same way that in the docs
+   * Response code (http and taler) must have the same order that in the docs
+   * That way is easier to see changes
+   *
+   * Uses libtool's current:revision:age versioning.
+   */
+  export class TalerCoreBankHttpClient {
   public readonly PROTOCOL_VERSION = "4:0:0";
 
   httpLib: HttpRequestLibrary;
-
+  cacheEvictor: CacheEvictor<TalerCoreBankCacheEviction>;
   constructor(
     readonly baseUrl: string,
     httpClient?: HttpRequestLibrary,
+    cacheEvictor?: CacheEvictor<TalerCoreBankCacheEviction>,
   ) {
     this.httpLib = httpClient ?? createPlatformHttpLib();
+    this.cacheEvictor = cacheEvictor ?? nullEvictor;
   }
 
   isCompatible(version: string): boolean {
@@ -142,8 +152,10 @@ export class TalerCoreBankHttpClient {
       },
     });
     switch (resp.status) {
-      case HttpStatusCode.Ok:
+      case HttpStatusCode.Ok: {
+        await this.cacheEvictor.notifySuccess(TalerCoreBankCacheEviction.CREATE_ACCOUNT)
         return opSuccessFromHttp(resp, codecForRegisterAccountResponse());
+      }
       case HttpStatusCode.BadRequest:
         return opKnownHttpFailure(resp.status, resp);
       case HttpStatusCode.Unauthorized:
@@ -948,47 +960,47 @@ export class TalerCoreBankHttpClient {
    * https://docs.taler.net/core/api-corebank.html#taler-bank-integration-api
    *
    */
-  getIntegrationAPI(): TalerBankIntegrationHttpClient {
-    const url = new URL(`taler-integration/`, this.baseUrl);
-    return new TalerBankIntegrationHttpClient(url.href, this.httpLib);
+  getIntegrationAPI(): string {
+    return new URL(`taler-integration/`, this.baseUrl).href;
+    // return new TalerBankIntegrationHttpClient(url.href, this.httpLib);
   }
 
   /**
    * https://docs.taler.net/core/api-corebank.html#taler-bank-integration-api
    *
    */
-  getWireGatewayAPI(username: string): TalerWireGatewayHttpClient {
-    const url = new URL(
+  getWireGatewayAPI(username: string): string {
+    return new URL(
       `accounts/${username}/taler-wire-gateway/`,
       this.baseUrl,
-    );
-    return new TalerWireGatewayHttpClient(url.href, username, this.httpLib);
+    ).href;
+    // return new TalerWireGatewayHttpClient(url.href, username, this.httpLib);
   }
 
   /**
    * https://docs.taler.net/core/api-corebank.html#taler-bank-integration-api
    *
    */
-  getRevenueAPI(username: string): TalerRevenueHttpClient {
-    const url = new URL(`accounts/${username}/taler-revenue/`, this.baseUrl);
-    return new TalerRevenueHttpClient(url.href, username, this.httpLib);
+  getRevenueAPI(username: string): string {
+    return new URL(`accounts/${username}/taler-revenue/`, this.baseUrl).href;
+    // return new TalerRevenueHttpClient(url.href, username, this.httpLib);
   }
 
   /**
    * https://docs.taler.net/core/api-corebank.html#post--accounts-$USERNAME-token
    *
    */
-  getAuthenticationAPI(username: string): TalerAuthenticationHttpClient {
-    const url = new URL(`accounts/${username}/`, this.baseUrl);
-    return new TalerAuthenticationHttpClient(url.href, username, this.httpLib);
+  getAuthenticationAPI(username: string): string {
+    return new URL(`accounts/${username}/`, this.baseUrl).href;
+    // return new TalerAuthenticationHttpClient(url.href, username, this.httpLib);
   }
 
   /**
    * https://docs.taler.net/core/api-corebank.html#post--accounts-$USERNAME-token
    *
    */
-  getConversionInfoAPI(): TalerBankConversionHttpClient {
-    const url = new URL(`conversion-info/`, this.baseUrl);
-    return new TalerBankConversionHttpClient(url.href, this.httpLib);
+  getConversionInfoAPI(): string {
+    return new URL(`conversion-info/`, this.baseUrl).href;
+    // TalerBankConversionHttpClient
   }
 }
diff --git a/packages/taler-util/src/http-client/utils.ts b/packages/taler-util/src/http-client/utils.ts
index 7abedae63..2b8920b66 100644
--- a/packages/taler-util/src/http-client/utils.ts
+++ b/packages/taler-util/src/http-client/utils.ts
@@ -65,3 +65,11 @@ export function addLongPollingParam(url: URL, param?: LongPollParams) {
     url.searchParams.set("long_poll_ms", String(param.timeoutMs));
   }
 }
+
+export interface CacheEvictor<T> {
+  notifySuccess: (op: T) => Promise<void>;
+}
+
+export const nullEvictor: CacheEvictor<unknown> = {
+  notifySuccess: () => Promise.resolve()
+}
diff --git a/packages/taler-util/src/index.ts b/packages/taler-util/src/index.ts
index 28909facb..74ef9e8e6 100644
--- a/packages/taler-util/src/index.ts
+++ b/packages/taler-util/src/index.ts
@@ -19,6 +19,7 @@ export * from "./errors.js";
 export { fnutil } from "./fnutils.js";
 export * from "./helpers.js";
 export * from "./http-client/bank-conversion.js";
+export * from "./http-client/authentication.js";
 export * from "./http-client/bank-core.js";
 export * from "./http-client/bank-integration.js";
 export * from "./http-client/bank-revenue.js";