From 4bfd2e630b6aec4f08e2e156f44fdda5f45dbcc4 Mon Sep 17 00:00:00 2001
From: Kay Kurokawa <kay@lbry.io>
Date: Fri, 2 Jun 2017 13:56:41 -0400
Subject: [PATCH 1/2] add check for old fee format and throw releveant
 exception

---
 lbrynet/lbrynet_daemon/Daemon.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lbrynet/lbrynet_daemon/Daemon.py b/lbrynet/lbrynet_daemon/Daemon.py
index d8ec576cd..9492bed8b 100644
--- a/lbrynet/lbrynet_daemon/Daemon.py
+++ b/lbrynet/lbrynet_daemon/Daemon.py
@@ -1927,9 +1927,13 @@ class Daemon(AuthJSONRPCServer):
 
         metadata['version'] = '_0_1_0'
 
-        # original format {'currency':{'address','amount'}}
-        # add address to fee if unspecified {'version': ,'currency', 'address' , 'amount'}
+        # check for original deprecated format {'currency':{'address','amount'}}
+        # add address, version to fee if unspecified
         if 'fee' in metadata:
+            if len(metadata['fee'].keys()) == 1 and isinstance(metadata['fee'].values()[0], dict):
+                raise Exception('Old format for fee no longer supported. ' \
+                                'Fee must be specified as {"currency":,"address":,"amount":}')
+
             if 'amount' in metadata['fee'] and 'currency' in metadata['fee']:
                 if not metadata['fee']['amount']:
                     log.warning("Stripping empty fee from published metadata")

From 363ad8452c17f0eb8259f16997d7aaf4f9ec9ae2 Mon Sep 17 00:00:00 2001
From: Kay Kurokawa <kay@lbry.io>
Date: Fri, 2 Jun 2017 14:52:27 -0400
Subject: [PATCH 2/2] add changelog

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1323716b..50652bb08 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,7 +22,7 @@ at anytime.
   *
 
 ### Deprecated
-  *
+  * Old fee metadata format in publish API command is deprecated, throw relevant exception
   *
 
 ### Removed