40 lines
1.4 KiB
Rust
40 lines
1.4 KiB
Rust
// 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 the staking pallet.
|
|
|
|
#![cfg_attr(not(feature = "std"), no_std)]
|
|
|
|
use codec::Codec;
|
|
|
|
sp_api::decl_runtime_apis! {
|
|
pub trait StakingApi<Balance, AccountId>
|
|
where
|
|
Balance: Codec,
|
|
AccountId: Codec,
|
|
{
|
|
/// Returns the nominations quota for a nominator with a given balance.
|
|
fn nominations_quota(balance: Balance) -> u32;
|
|
|
|
/// Returns the page count of exposures for a validator `account` in a given era.
|
|
fn eras_stakers_page_count(era: sp_staking::EraIndex, account: AccountId) -> sp_staking::Page;
|
|
|
|
/// Returns true if validator `account` has pages to be claimed for the given era.
|
|
fn pending_rewards(era: sp_staking::EraIndex, account: AccountId) -> bool;
|
|
}
|
|
}
|