Provide get_account_nonce method

examples/examples/get_storage.rs

@@ -21,7 +21,7 @@ use sp_keyring::AccountKeyring;
 use substrate_api_client::{
 	ac_primitives::{ExtrinsicSigner, PlainTipExtrinsicParams},
 	rpc::JsonrpseeClient,
-	Api, GetStorage,
+	Api, GetAccountInformation, GetStorage,
 };
 
 type IndexFor<T> = <T as frame_system::Config>::Index;
@@ -61,6 +61,11 @@ async fn main() {
 	api.set_signer(ExtrinsicSigner::<_, Signature, Runtime>::new(signer));
 	println!("[+] Alice's Account Nonce is {}", api.get_nonce().unwrap());
 
+	println!(
+		"[+] Bob's Account Nonce is {}",
+		api.get_account_nonce(&AccountKeyring::Bob.to_account_id()).unwrap()
+	);
+
 	// Get an vector of storage keys, numbering up to the given max keys and that start with the (optionally) given storage key prefix.
 	let storage_key_prefix = api.get_storage_map_key_prefix("System", "Account").unwrap();
 	let max_keys = 3;

primitives/src/pallet_traits/frame_system_config.rs

@@ -24,7 +24,7 @@ use sp_runtime::traits::{
 	SimpleBitOps, StaticLookup,
 };
 
-/// Simplifed Frame system Config trait. Needed because substrate pallets compile to wasm
+/// Simplified Frame system Config trait. Needed because substrate pallets compile to wasm
 /// in no_std mode.
 pub trait FrameSystemConfig {
 	type BaseCallFilter;

primitives/src/pallet_traits/pallet_assets_config.rs

@@ -19,7 +19,7 @@ use scale_info::TypeInfo;
 use serde::{de::DeserializeOwned, Serialize};
 use sp_runtime::traits::{AtLeast32BitUnsigned, Get, Member};
 
-/// Simplifed pallet assets Config trait. Needed because substrate pallets compile to wasm
+/// Simplified pallet assets Config trait. Needed because substrate pallets compile to wasm
 /// in no_std mode.
 pub trait AssetsConfig: crate::FrameSystemConfig {
 	type RuntimeEvent;

primitives/src/pallet_traits/pallet_balances_config.rs

@@ -22,7 +22,7 @@ use sp_runtime::{
 	FixedPointOperand,
 };
 
-/// Simplifed pallet balances Config trait. Needed because substrate pallets compile to wasm
+/// Simplified pallet balances Config trait. Needed because substrate pallets compile to wasm
 /// in no_std mode.
 pub trait BalancesConfig: crate::FrameSystemConfig {
 	/// This type enforces the (de)serialization implementation

primitives/src/pallet_traits/pallet_contracts_config.rs

@@ -17,7 +17,7 @@
 use crate::FrameSystemConfig;
 use sp_runtime::traits::Get;
 
-/// Simplifed pallet contract Config trait. Needed because substrate pallets compile to wasm
+/// Simplified pallet contract Config trait. Needed because substrate pallets compile to wasm
 /// in no_std mode.
 pub trait ContractsConfig: FrameSystemConfig {
 	type Time;

primitives/src/pallet_traits/pallet_staking_config.rs

@@ -27,7 +27,7 @@ use sp_staking::{EraIndex, SessionIndex};
 /// The balance type of this pallet.
 pub type BalanceOf<T> = <T as StakingConfig>::CurrencyBalance;
 
-/// Simplifed pallet staking Config trait. Needed because substrate pallets compile to wasm
+/// Simplified pallet staking Config trait. Needed because substrate pallets compile to wasm
 /// in no_std mode.
 pub trait StakingConfig: FrameSystemConfig {
 	type Currency;

src/api/api_client.rs

@@ -221,8 +221,7 @@ where
 	/// Get nonce of self signer account.
 	pub fn get_nonce(&self) -> Result<Runtime::Index> {
 		let account = self.signer_account().ok_or(Error::NoSigner)?;
-		self.get_account_info(account)
-			.map(|acc_opt| acc_opt.map_or_else(|| 0u32.into(), |acc| acc.nonce))
+		self.get_account_nonce(account)
 	}
 }
 

src/api/rpc_api/frame_system.rs

@@ -32,6 +32,9 @@ pub trait GetAccountInformation<AccountId> {
 	) -> Result<Option<AccountInfo<Self::Index, Self::AccountData>>>;
 
 	fn get_account_data(&self, address: &AccountId) -> Result<Option<Self::AccountData>>;
+
+	/// Get nonce of an account.
+	fn get_account_nonce(&self, account: &AccountId) -> Result<Self::Index>;
 }
 
 impl<Signer, Client, Params, Runtime> GetAccountInformation<Runtime::AccountId>
@@ -64,6 +67,11 @@ where
 	) -> Result<Option<Runtime::AccountData>> {
 		self.get_account_info(address).map(|info| info.map(|i| i.data))
 	}
+
+	fn get_account_nonce(&self, account: &Runtime::AccountId) -> Result<Runtime::Index> {
+		self.get_account_info(account)
+			.map(|acc_opt| acc_opt.map_or_else(|| 0u32.into(), |acc| acc.nonce))
+	}
 }
 
 /// Helper functions for some common SystemApi function.