1 files changed, 13 insertions, 0 deletions
diff --git a/packages/taler-harness/src/harness/harness.ts b/packages/taler-harness/src/harness/harness.ts
index a2ff451d8..7b2f980cc 100644
--- a/packages/taler-harness/src/harness/harness.ts
+++ b/packages/taler-harness/src/harness/harness.ts
@@ -53,6 +53,9 @@ import {
   HarnessExchangeBankAccount,
   openPromise,
   WalletCoreApiClient,
+  WalletCoreRequestType,
+  WalletCoreResponseType,
+  WalletOperations,
 } from "@gnu-taler/taler-wallet-core";
 import { deepStrictEqual } from "assert";
 import axiosImp, { AxiosError } from "axios";
@@ -2247,6 +2250,16 @@ export class WalletClient {
   remoteWallet: RemoteWallet | undefined = undefined;
   private waiter: WalletNotificationWaiter = makeNotificationWaiter();
 
+  async call<Op extends keyof WalletOperations>(
+    operation: Op,
+    payload: WalletCoreRequestType<Op>,
+  ): Promise<WalletCoreResponseType<Op>> {
+    if (!this.remoteWallet) {
+      throw Error("wallet not connected");
+    }
+    const client = getClientFromRemoteWallet(this.remoteWallet);
+    return client.call(operation, payload);
+  }
   constructor(private args: WalletClientArgs) {}
 
   async connect(): Promise<void> {