From b1fe2cca261c67721c1d36d87ffa3540ef2e375c Mon Sep 17 00:00:00 2001
From: scgbckbone <scgbckbone@proton.me>
Date: Wed, 24 Dec 2025 17:28:54 +0100
Subject: [PATCH] bugfix: fwd slash in multisig name caused export to yikes.
 Replace fwd slash with dash in export filenames

---
 releases/Next-ChangeLog.md |  1 +
 shared/multisig.py         |  3 ++-
 testing/test_multisig.py   | 29 +++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/releases/Next-ChangeLog.md b/releases/Next-ChangeLog.md
index 9367453a..140fc78e 100644
--- a/releases/Next-ChangeLog.md
+++ b/releases/Next-ChangeLog.md
@@ -9,6 +9,7 @@ This lists the new changes that have not yet been published in a normal release.
 - New Feature: Support for v3 transactions
 - New Feature: Send keystrokes with all derived BIP-85 secrets
 - Enhancement: CCC allow to reset block height
+- Bugfix: Replace `/` with `-` in exported file names of multisig wallet export artifacts
 
 # Mk4 Specific Changes
 
diff --git a/shared/multisig.py b/shared/multisig.py
index 1934e76e..42e5a977 100644
--- a/shared/multisig.py
+++ b/shared/multisig.py
@@ -865,7 +865,8 @@ class MultisigWallet(WalletABC):
 
     def make_fname(self, prefix, suffix='txt'):
         rv = '%s-%s.%s' % (prefix, self.name, suffix)
-        return rv.replace(' ', '_')
+        rv = rv.replace(' ', '_')
+        return rv.replace('/', '-')
 
     async def export_electrum(self):
         # Generate and save an Electrum JSON file.
diff --git a/testing/test_multisig.py b/testing/test_multisig.py
index 49d87e36..a3f4ce3c 100644
--- a/testing/test_multisig.py
+++ b/testing/test_multisig.py
@@ -4175,4 +4175,33 @@ def test_af_matching_convoluted_case(af, psbt_v2, clear_ms, fake_ms_txn, import_
     assert len(po.inputs[0].part_sigs) == 0  # considered not ours
     assert len(po.inputs[1].part_sigs) == 1  # signature added
 
+
+def test_fwd_slash_in_name(import_ms_wallet, clear_ms, pick_menu_item, need_keypress, cap_story,
+                           press_cancel, garbage_collector, microsd_path):
+    clear_ms()
+    name = "2/3 me/her/it"
+    import_ms_wallet(2,3, "p2wsh", name=name, accept=True)
+    pick_menu_item("Settings")
+    pick_menu_item("Multisig Wallets")
+    pick_menu_item(f"2/3: {name}")
+    pick_menu_item("Coldcard Export")
+    need_keypress("1")  # SD
+    time.sleep(.1)
+    title, story = cap_story()
+    fname = story.split("\n\n")[1]
+    garbage_collector.append(microsd_path(fname))
+    assert fname.strip().startswith("export-2-3_me-her-it")
+    press_cancel()
+    press_cancel()
+    pick_menu_item("Descriptors")
+    pick_menu_item("Export")
+    need_keypress("1")  # SD
+    time.sleep(.1)
+    title, story = cap_story()
+    fname = story.split("\n\n")[1]
+    garbage_collector.append(microsd_path(fname))
+    assert fname.strip().startswith("desc-2-3_me-her-it")
+    press_cancel()
+    press_cancel()
+
 # EOF