Replace Index for Nonce (#2740)

* replace Index for Nonce

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

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Co-authored-by: parity-processbot <>

cumulus/bridges/primitives/polkadot-core/src/lib.rs

@@ -181,9 +181,6 @@ pub type BlockNumber = u32;
 /// Hash type used in Polkadot-like chains.
 pub type Hash = <BlakeTwo256 as HasherT>::Out;
 
-/// Account Index (a.k.a. nonce).
-pub type Index = u32;
-
 /// Hashing type.
 pub type Hashing = BlakeTwo256;
 
@@ -234,7 +231,7 @@ impl Chain for PolkadotLike {
 	type Block = Block;
 	type AccountId = AccountId;
 	type Balance = Balance;
-	type Index = Index;
+	type Nonce = Nonce;
 	type Signature = Signature;
 
 	fn max_extrinsic_size() -> u32 {