4 files changed, 10 insertions, 5 deletions
diff --git a/packages/taler-wallet-core/src/bank-api-client.ts b/packages/taler-wallet-core/src/bank-api-client.ts
index bfb06bb0f..dc7845150 100644
--- a/packages/taler-wallet-core/src/bank-api-client.ts
+++ b/packages/taler-wallet-core/src/bank-api-client.ts
@@ -23,6 +23,7 @@
  */
 import {
   AmountString,
+  base64FromArrayBuffer,
   buildCodecForObject,
   Codec,
   codecForAny,
@@ -31,6 +32,7 @@ import {
   getRandomBytes,
   j2s,
   Logger,
+  stringToBytes,
   TalerErrorCode,
 } from "@gnu-taler/taler-util";
 import { TalerError } from "./errors.js";
@@ -85,7 +87,7 @@ export interface HarnessExchangeBankAccount {
  */
 function makeBasicAuthHeader(username: string, password: string): string {
   const auth = `${username}:${password}`;
-  const authEncoded: string = Buffer.from(auth).toString("base64");
+  const authEncoded: string = base64FromArrayBuffer(stringToBytes(auth));
   return `Basic ${authEncoded}`;
 }
 
diff --git a/packages/taler-wallet-core/src/operations/testing.ts b/packages/taler-wallet-core/src/operations/testing.ts
index 9a11af8bb..50454a920 100644
--- a/packages/taler-wallet-core/src/operations/testing.ts
+++ b/packages/taler-wallet-core/src/operations/testing.ts
@@ -18,8 +18,10 @@
  * Imports.
  */
 import {
+  base64FromArrayBuffer,
   ConfirmPayResultType,
   Logger,
+  stringToBytes,
   TestPayResult,
   WithdrawTestBalanceRequest,
 } from "@gnu-taler/taler-util";
@@ -78,10 +80,11 @@ function makeId(length: number): string {
 
 /**
  * Helper function to generate the "Authorization" HTTP header.
+ * FIXME: redundant, put in taler-util
  */
 function makeBasicAuthHeader(username: string, password: string): string {
   const auth = `${username}:${password}`;
-  const authEncoded: string = Buffer.from(auth).toString("base64");
+  const authEncoded: string = base64FromArrayBuffer(stringToBytes(auth));
   return `Basic ${authEncoded}`;
 }
 
diff --git a/packages/taler-wallet-core/src/util/http.ts b/packages/taler-wallet-core/src/util/http.ts
index 0489f920b..118da40fe 100644
--- a/packages/taler-wallet-core/src/util/http.ts
+++ b/packages/taler-wallet-core/src/util/http.ts
@@ -68,7 +68,7 @@ export interface HttpRequestOptions {
    */
   cancellationToken?: CancellationToken;
 
-  body?: string | ArrayBuffer | ArrayBufferView;
+  body?: string | ArrayBuffer | Object;
 }
 
 /**
diff --git a/packages/taler-wallet-core/src/util/timer.ts b/packages/taler-wallet-core/src/util/timer.ts
index 8ec1a25f8..d198e03c9 100644
--- a/packages/taler-wallet-core/src/util/timer.ts
+++ b/packages/taler-wallet-core/src/util/timer.ts
@@ -53,7 +53,7 @@ class IntervalHandle {
    * only event left.  Has no effect in the browser.
    */
   unref(): void {
-    if (typeof this.h === "object") {
+    if (typeof this.h === "object" && "unref" in this.h) {
       this.h.unref();
     }
   }
@@ -71,7 +71,7 @@ class TimeoutHandle {
    * only event left.  Has no effect in the browser.
    */
   unref(): void {
-    if (typeof this.h === "object") {
+    if (typeof this.h === "object" && "unref" in this.h) {
       this.h.unref();
     }
   }