From a2bfd7473a8ffc0b800db6bac20bcbd691b9b060 Mon Sep 17 00:00:00 2001
From: Bitcoin Txoko <142011724+bitcointxoko@users.noreply.github.com>
Date: Sat, 25 Oct 2025 17:00:41 +0200
Subject: [PATCH] Add warning about jm incompatibility with bitcoind 30

Joinmarket is not compatible with bitcoind >= 30. Set bitcoind version to 29 to use jm.
---
 system/bitcoin/bitcoind.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/system/bitcoin/bitcoind.nix b/system/bitcoin/bitcoind.nix
index 12d736a..6ee4803 100644
--- a/system/bitcoin/bitcoind.nix
+++ b/system/bitcoin/bitcoind.nix
@@ -2,6 +2,10 @@
 {config, ...}: {
   # Bitcoind is enabled by default via secure-node.nix.
   services.bitcoind = {
+    # Joinmarket is not compatible with bitcoind >= 30.
+    # (https://github.com/JoinMarket-Org/joinmarket-clientserver/pull/1775)
+    # To fix this, enable the following config:
+    # package = config.nix-bitcoin.pkgs.bitcoind_29;
     enable = true;
     # Set this option to enable pruning with a specified MiB value.
     # clightning is compatible with pruning. See