From 3aa17caaa31950d2f8879e4c1e384a9a777523ba Mon Sep 17 00:00:00 2001
From: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
Date: Thu, 26 Feb 2026 20:14:59 +0100
Subject: [PATCH] BIP-352: test vectors: allow specifying repeated recipients
 for sending

Introduce an optional "count" field for recipient objects.
Also update the documentation of the fields.
---
 bip-0352.mediawiki    | 10 +++++++++-
 bip-0352/reference.py |  6 +++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/bip-0352.mediawiki b/bip-0352.mediawiki
index 83cbd885..508b801a 100644
--- a/bip-0352.mediawiki
+++ b/bip-0352.mediawiki
@@ -393,7 +393,15 @@ A [[bip-0352/send_and_receive_test_vectors.json|collection of test vectors in JS
     {
         "given": {
             "vin": [<array of vin objects with an added field for the private key. These objects are structured to match the `vin` output field from `getrawtransaction verbosity=2`>],
-            "recipients": [<array of strings, where each string is a bech32m encoding representing a silent payment address>]
+            "recipients": [<array of recipient objects, consisting of the address and its contained scan/spend public keys each>
+                {
+                    "address": <bech32m encoding representing a silent payment address>,
+                    "scan_pub_key": <hex encoded scan public key>,
+                    "spend_pub_key": <hex encoded spend public key>,
+                    "count": <optional integer for specifying the same recipient repeatedly (1 by default)>
+                },
+                ...
+            ]
         },
         "expected": {
             "outputs": [<array of strings, where each string is a hex encoding of 32-byte X-only public key; contains all possible output sets, test must match a subset of size `n_outputs`>],
diff --git a/bip-0352/reference.py b/bip-0352/reference.py
index 65e0d504..cab3972f 100755
--- a/bip-0352/reference.py
+++ b/bip-0352/reference.py
@@ -268,7 +268,11 @@ if __name__ == "__main__":
             sending_outputs = []
             if (len(input_pub_keys) > 0):
                 outpoints = [vin.outpoint for vin in vins]
-                sending_outputs = create_outputs(input_priv_keys, outpoints, given["recipients"], expected=expected, hrp="sp")
+                recipients = []  # expand given recipient entries to full list
+                for recipient_entry in given["recipients"]:
+                    count = recipient_entry.get("count", 1)
+                    recipients.extend([recipient_entry] * count)
+                sending_outputs = create_outputs(input_priv_keys, outpoints, recipients, expected=expected, hrp="sp")
 
                 # Note: order doesn't matter for creating/finding the outputs. However, different orderings of the recipient addresses
                 # will produce different generated outputs if sending to multiple silent payment addresses belonging to the