hash payto

1 files changed, 6 insertions, 1 deletions

diff --git a/packages/taler-util/src/payto.ts b/packages/taler-util/src/payto.ts
index ff33519c5..1d13fb502 100644
--- a/packages/taler-util/src/payto.ts
+++ b/packages/taler-util/src/payto.ts
@@ -23,7 +23,7 @@ import {
   codecForStringURL,
   renderContext,
 } from "./codec.js";
-import { AccessToken, codecForAccessToken, codecOptional } from "./index.js";
+import { AccessToken, bytesToString, codecForAccessToken, codecOptional, hashTruncate32, stringToBytes } from "./index.js";
 import { URLSearchParams } from "./url.js";
 
 export type PaytoUri =
@@ -201,6 +201,11 @@ export function stringifyPaytoUri(p: PaytoUri): PaytoString {
   return url.href as PaytoString;
 }
 
+export function hashPaytoUri(p: PaytoUri): string {
+  const paytoUri = stringifyPaytoUri(p)
+  return bytesToString(hashTruncate32(stringToBytes(paytoUri + "\0")));
+}
+
 /**
  * Parse a valid payto:// uri into a PaytoUri object
  * RFC 8905