From 97cf9f407459794c5b085d782d2fe559e6667c48 Mon Sep 17 00:00:00 2001
From: Satoshi Otomakan <satoshiotomakan8@gmail.com>
Date: Fri, 21 Jul 2023 13:37:41 +0200
Subject: [PATCH] Fix compilation error

---
 rust/coverage.stats                  |  2 +-
 rust/tw_coin_entry/src/coin_entry.rs | 12 +++---------
 rust/tw_ethereum/src/entry.rs        |  4 ++++
 src/rust/Wrapper.h                   |  1 +
 4 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/rust/coverage.stats b/rust/coverage.stats
index 937c1783095..7d7ab43dc7c 100644
--- a/rust/coverage.stats
+++ b/rust/coverage.stats
@@ -1 +1 @@
-91.5
\ No newline at end of file
+92.0
\ No newline at end of file
diff --git a/rust/tw_coin_entry/src/coin_entry.rs b/rust/tw_coin_entry/src/coin_entry.rs
index 3f122a97878..d0cdf1d0c11 100644
--- a/rust/tw_coin_entry/src/coin_entry.rs
+++ b/rust/tw_coin_entry/src/coin_entry.rs
@@ -74,21 +74,15 @@ pub trait CoinEntry {
 
     /// It is optional, Signing JSON input with private key.
     /// Returns `Ok(None)` if the chain doesn't support signing JSON.
-    fn json_signer(&self) -> Option<Self::JsonSigner> {
-        None
-    }
+    fn json_signer(&self) -> Option<Self::JsonSigner>;
 
     /// Planning, for UTXO chains, in preparation for signing.
     /// Returns an optional `Plan` builder. Only UTXO chains need it.
-    fn plan_builder(&self) -> Option<Self::PlanBuilder> {
-        None
-    }
+    fn plan_builder(&self) -> Option<Self::PlanBuilder>;
 
     /// Optional helper to prepare a `SigningInput` from simple parameters.
     /// Not suitable for UTXO chains.
     ///
     /// Returns `None` if the chain doesn't support creating `SigningInput` from the simple parameters.
-    fn signing_input_builder(&self) -> Option<Self::InputBuilder> {
-        None
-    }
+    fn signing_input_builder(&self) -> Option<Self::InputBuilder>;
 }
diff --git a/rust/tw_ethereum/src/entry.rs b/rust/tw_ethereum/src/entry.rs
index 317c5d9bcdf..a3362441abe 100644
--- a/rust/tw_ethereum/src/entry.rs
+++ b/rust/tw_ethereum/src/entry.rs
@@ -82,6 +82,10 @@ impl CoinEntry for EthereumEntry {
         Some(EthJsonSigner)
     }
 
+    fn plan_builder(&self) -> Option<Self::PlanBuilder> {
+        None
+    }
+
     fn signing_input_builder(&self) -> Option<Self::InputBuilder> {
         Some(EthInputBuilder)
     }
diff --git a/src/rust/Wrapper.h b/src/rust/Wrapper.h
index 105b8b09e4e..0485bf7212a 100644
--- a/src/rust/Wrapper.h
+++ b/src/rust/Wrapper.h
@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <memory>
 #include <optional>
 
 #include "../Data.h"