From fb4b9755bb7793348402a7c989cc940974e3153e Mon Sep 17 00:00:00 2001
From: Wei Tang <wei@that.world>
Date: Thu, 11 Mar 2021 16:22:16 +0100
Subject: [PATCH] pallet-staking: add RewardDestination::None for explictly not
 receiving rewards (#8168)

---
 substrate/frame/staking/src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/substrate/frame/staking/src/lib.rs b/substrate/frame/staking/src/lib.rs
index 7f51d246c6..544ae29b0e 100644
--- a/substrate/frame/staking/src/lib.rs
+++ b/substrate/frame/staking/src/lib.rs
@@ -443,6 +443,8 @@ pub enum RewardDestination<AccountId> {
 	Controller,
 	/// Pay into a specified account.
 	Account(AccountId),
+	/// Receive no reward.
+	None,
 }
 
 impl<AccountId> Default for RewardDestination<AccountId> {
@@ -2499,7 +2501,8 @@ impl<T: Config> Module<T> {
 				}),
 			RewardDestination::Account(dest_account) => {
 				Some(T::Currency::deposit_creating(&dest_account, amount))
-			}
+			},
+			RewardDestination::None => None,
 		}
 	}