From 06b432caba3f2e67f138f817b2334308641a4962 Mon Sep 17 00:00:00 2001
From: Shaopeng Wang <spxwang@gmail.com>
Date: Wed, 3 Feb 2021 23:45:52 +1300
Subject: [PATCH] frame-system: Index type 'MaybeSerializeDeserialize' bound.
(#8035)
---
substrate/frame/system/src/lib.rs | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/substrate/frame/system/src/lib.rs b/substrate/frame/system/src/lib.rs
index 87a636b37f1..012185386bc 100644
--- a/substrate/frame/system/src/lib.rs
+++ b/substrate/frame/system/src/lib.rs
@@ -77,7 +77,7 @@ use sp_runtime::{
traits::{
self, CheckEqual, AtLeast32Bit, Zero, Lookup, LookupError,
SimpleBitOps, Hash, Member, MaybeDisplay, BadOrigin,
- MaybeSerialize, MaybeSerializeDeserialize, MaybeMallocSizeOf, StaticLookup, One, Bounded,
+ MaybeSerializeDeserialize, MaybeMallocSizeOf, StaticLookup, One, Bounded,
Dispatchable, AtLeast32BitUnsigned, Saturating, StoredMapError,
},
offchain::storage_lock::BlockNumberProvider,
@@ -174,7 +174,7 @@ pub mod pallet {
/// Account index (aka nonce) type. This stores the number of previous transactions associated
/// with a sender account.
type Index:
- Parameter + Member + MaybeSerialize + Debug + Default + MaybeDisplay + AtLeast32Bit
+ Parameter + Member + MaybeSerializeDeserialize + Debug + Default + MaybeDisplay + AtLeast32Bit
+ Copy;
/// The block number type used by the runtime.
--
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