From 4c4cd92c54ba99155e58e3b7cd7b6fef9ed52470 Mon Sep 17 00:00:00 2001
From: Neil Booth <kyuupichan@gmail.com>
Date: Wed, 21 Dec 2016 20:22:10 +0900
Subject: [PATCH] Banner: add $DONATION_ADDRESS meta variable

Replaced with the DONATION_ADDRESS environment variable
---
 server/protocol.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/server/protocol.py b/server/protocol.py
index 950f703..b008fe1 100644
--- a/server/protocol.py
+++ b/server/protocol.py
@@ -987,10 +987,13 @@ class ElectrumX(Session):
                 minor, revision = divmod(minor, 10000)
                 revision //= 100
                 version = '{:d}.{:d}.{:d}'.format(major, minor, revision)
-                subversion = network_info['subversion']
-                banner = (banner.replace('$VERSION', VERSION)
-                          .replace('$DAEMON_VERSION', version)
-                          .replace('$DAEMON_SUBVERSION', subversion))
+                for pair in [
+                    ('$VERSION', VERSION),
+                    ('$DAEMON_VERSION', version),
+                    ('$DAEMON_SUBVERSION', network_info['subversion']),
+                    ('$DONATION_ADDRESS', self.env.donation_address),
+                ]:
+                    banner = banner.replace(*pair)
 
         return banner