From a40fab1773e6113e16bff9d4257ce1a7443aa77a Mon Sep 17 00:00:00 2001
From: Alexander Gryaznov <hi@agryaznov.com>
Date: Fri, 18 Feb 2022 13:20:37 +0300
Subject: [PATCH] fixed `wrong_self_convention` clippy warning for `is_`
 functions

---
 crates/env/src/backend.rs                             | 4 ++--
 crates/env/src/engine/experimental_off_chain/impls.rs | 4 ++--
 crates/env/src/engine/off_chain/impls.rs              | 4 ++--
 crates/env/src/engine/on_chain/impls.rs               | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/crates/env/src/backend.rs b/crates/env/src/backend.rs
index a1b5b6006ef..198282d9153 100644
--- a/crates/env/src/backend.rs
+++ b/crates/env/src/backend.rs
@@ -432,7 +432,7 @@ pub trait TypedEnvBackend: EnvBackend {
     /// # Note
     ///
     /// For more details visit: [`is_contract`][`crate::is_contract`]
-    fn is_contract<T>(&mut self, account: &T::AccountId) -> bool
+    fn is_contract<T>(&self, account: &T::AccountId) -> bool
     where
         T: Environment;
 
@@ -441,7 +441,7 @@ pub trait TypedEnvBackend: EnvBackend {
     /// # Note
     ///
     /// For more details visit: [`caller_is_origin`][`crate::caller_is_origin`]
-    fn caller_is_origin<T>(&mut self) -> bool
+    fn caller_is_origin<T>(&self) -> bool
     where
         T: Environment;
 }
diff --git a/crates/env/src/engine/experimental_off_chain/impls.rs b/crates/env/src/engine/experimental_off_chain/impls.rs
index d701f3a295b..5cae2a3b634 100644
--- a/crates/env/src/engine/experimental_off_chain/impls.rs
+++ b/crates/env/src/engine/experimental_off_chain/impls.rs
@@ -461,7 +461,7 @@ impl TypedEnvBackend for EnvInstance {
         scale::Decode::decode(&mut &output[..]).map_err(Into::into)
     }
 
-    fn is_contract<T>(&mut self, _account: &T::AccountId) -> bool
+    fn is_contract<T>(&self, _account: &T::AccountId) -> bool
     where
         T: Environment,
     {
@@ -469,7 +469,7 @@ impl TypedEnvBackend for EnvInstance {
         false
     }
 
-    fn caller_is_origin<T>(&mut self) -> bool
+    fn caller_is_origin<T>(&self) -> bool
     where
         T: Environment,
     {
diff --git a/crates/env/src/engine/off_chain/impls.rs b/crates/env/src/engine/off_chain/impls.rs
index a8365ed2077..ca1b3a65d59 100644
--- a/crates/env/src/engine/off_chain/impls.rs
+++ b/crates/env/src/engine/off_chain/impls.rs
@@ -471,7 +471,7 @@ impl TypedEnvBackend for EnvInstance {
         Ok((block.random::<T>(subject)?, block.number::<T>()?))
     }
 
-    fn is_contract<T>(&mut self, _account: &T::AccountId) -> bool
+    fn is_contract<T>(&self, _account: &T::AccountId) -> bool
     where
         T: Environment,
     {
@@ -479,7 +479,7 @@ impl TypedEnvBackend for EnvInstance {
         false
     }
 
-    fn caller_is_origin<T>(&mut self) -> bool
+    fn caller_is_origin<T>(&self) -> bool
     where
         T: Environment,
     {
diff --git a/crates/env/src/engine/on_chain/impls.rs b/crates/env/src/engine/on_chain/impls.rs
index 0c8d60a5426..8074c8004fa 100644
--- a/crates/env/src/engine/on_chain/impls.rs
+++ b/crates/env/src/engine/on_chain/impls.rs
@@ -491,7 +491,7 @@ impl TypedEnvBackend for EnvInstance {
         scale::Decode::decode(&mut &output[..]).map_err(Into::into)
     }
 
-    fn is_contract<T>(&mut self, account_id: &T::AccountId) -> bool
+    fn is_contract<T>(&self, account_id: &T::AccountId) -> bool
     where
         T: Environment,
     {
@@ -500,7 +500,7 @@ impl TypedEnvBackend for EnvInstance {
         ext::is_contract(enc_account_id)
     }
 
-    fn caller_is_origin<T>(&mut self) -> bool
+    fn caller_is_origin<T>(&self) -> bool
     where
         T: Environment,
     {