Replace Index for Nonce (#2740)

* replace Index for Nonce

* update lockfile for {"substrate", "polkadot"}

---------

Co-authored-by: parity-processbot <>

cumulus/parachain-template/node/src/rpc.rs

@@ -7,7 +7,7 @@
 
 use std::sync::Arc;
 
-use parachain_template_runtime::{opaque::Block, AccountId, Balance, Index as Nonce};
+use parachain_template_runtime::{opaque::Block, AccountId, Balance, Nonce};
 
 use sc_client_api::AuxStore;
 pub use sc_rpc::{DenyUnsafe, SubscriptionTaskExecutor};

cumulus/parachain-template/pallets/template/src/mock.rs

@@ -29,7 +29,7 @@ impl system::Config for Test {
 	type DbWeight = ();
 	type RuntimeOrigin = RuntimeOrigin;
 	type RuntimeCall = RuntimeCall;
-	type Index = u64;
+	type Nonce = u64;
 	type Hash = H256;
 	type Hashing = BlakeTwo256;
 	type AccountId = u64;

cumulus/parachain-template/runtime/src/lib.rs

@@ -71,7 +71,7 @@ pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::Account
 pub type Balance = u128;
 
 /// Index of a transaction in the chain.
-pub type Index = u32;
+pub type Nonce = u32;
 
 /// A hash of some data used by the chain.
 pub type Hash = sp_core::H256;
@@ -269,7 +269,7 @@ impl frame_system::Config for Runtime {
 	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
 	type Lookup = AccountIdLookup<AccountId, ()>;
 	/// The index type for storing how many extrinsics an account has signed.
-	type Index = Index;
+	type Nonce = Nonce;
 	/// The type for hashing blocks and tries.
 	type Hash = Hash;
 	/// The hashing algorithm used.
@@ -599,8 +599,8 @@ impl_runtime_apis! {
 		}
 	}
 
-	impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {
-		fn account_nonce(account: AccountId) -> Index {
+	impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Nonce> for Runtime {
+		fn account_nonce(account: AccountId) -> Nonce {
 			System::account_nonce(account)
 		}
 	}