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kitchensink_runtime/
assets_api.rs

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// This file is part of Substrate.

// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// 	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Runtime API definition for assets.

use polkadot_sdk::*;

use alloc::vec::Vec;
use codec::Codec;

sp_api::decl_runtime_apis! {
	pub trait AssetsApi<AccountId, AssetBalance, AssetId>
	where
		AccountId: Codec,
		AssetBalance: Codec,
		AssetId: Codec,
	{
		/// Returns the list of `AssetId`s and corresponding balance that an `AccountId` has.
		fn account_balances(account: AccountId) -> Vec<(AssetId, AssetBalance)>;
	}
}