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pezkuwi-subxt/parachains/runtimes/assets/common/src/runtime_api.rs
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2023-04-17 17:01:40 +02:00

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Rust

// Copyright (C) 2023 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 fungibles.
use codec::{Codec, Decode, Encode};
use frame_support::RuntimeDebug;
use sp_std::vec::Vec;
use xcm::latest::MultiAsset;
/// The possible errors that can happen querying the storage of assets.
#[derive(Eq, PartialEq, Encode, Decode, RuntimeDebug, scale_info::TypeInfo)]
pub enum FungiblesAccessError {
/// `MultiLocation` to `AssetId`/`ClassId` conversion failed.
AssetIdConversionFailed,
/// `u128` amount to currency `Balance` conversion failed.
AmountToBalanceConversionFailed,
}
sp_api::decl_runtime_apis! {
/// The API for querying account's balances from runtime.
#[api_version(2)]
pub trait FungiblesApi<AccountId>
where
AccountId: Codec,
{
/// Returns the list of all [`MultiAsset`] that an `AccountId` has.
#[changed_in(2)]
fn query_account_balances(account: AccountId) -> Result<Vec<MultiAsset>, FungiblesAccessError>;
/// Returns the list of all [`MultiAsset`] that an `AccountId` has.
fn query_account_balances(account: AccountId) -> Result<xcm::VersionedMultiAssets, FungiblesAccessError>;
}
}