From f1f0b331ac97929579f33b0994e97c6b8b320bed Mon Sep 17 00:00:00 2001
From: Henry de Valence <hdevalence@hdevalence.ca>
Date: Wed, 9 Sep 2020 22:05:47 -0700
Subject: [PATCH] state: make Response::Tip return (height, hash)

---
 zebra-consensus/src/chain.rs | 2 +-
 zebra-state/src/response.rs  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/zebra-consensus/src/chain.rs b/zebra-consensus/src/chain.rs
index 35735836..58bff8ac 100644
--- a/zebra-consensus/src/chain.rs
+++ b/zebra-consensus/src/chain.rs
@@ -134,7 +134,7 @@ where
         zs::Response::Tip(tip) => tip,
         _ => unreachable!("wrong response to Request::Tip"),
     };
-    let tip = if let Some(hash) = tip_hash {
+    let tip = if let Some((_height, hash)) = tip_hash {
         match state_service
             .ready_and()
             .await
diff --git a/zebra-state/src/response.rs b/zebra-state/src/response.rs
index 4f526f8b..df7f9f69 100644
--- a/zebra-state/src/response.rs
+++ b/zebra-state/src/response.rs
@@ -17,10 +17,10 @@ pub enum Response {
     Committed(block::Hash),
 
     /// Response to [`Request::Depth`] with the depth of the specified block.
-    Depth(Option<block::Height>),
+    Depth(Option<u32>),
 
     /// Response to [`Request::Tip`] with the current best chain tip.
-    Tip(Option<block::Hash>),
+    Tip(Option<(block::Height, block::Hash)>),
 
     /// Response to [`Request::BlockLocator`] with a block locator object.
     BlockLocator(Vec<block::Hash>),