87505b1c59
* Add eslint configuration * Patch eslint plugin for sorting imports * Apply eslint rules for imports
25 lines
619 B
TypeScript
25 lines
619 B
TypeScript
// Copyright 2017-2020 @polkadot/app-democracy authors & contributors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
import BN from 'bn.js';
|
|
import { useMemo } from 'react';
|
|
|
|
import { useApi } from '@polkadot/react-hooks';
|
|
|
|
const DEFAULT_TIME = new BN(6000);
|
|
const A_DAY = new BN(24 * 60 * 60 * 1000);
|
|
|
|
export function useBlocksPerDays (days = 1): BN {
|
|
const { api } = useApi();
|
|
|
|
return useMemo(
|
|
() => A_DAY.muln(days).div(
|
|
api.consts.babe?.expectedBlockTime ||
|
|
api.consts.difficulty?.targetBlockTime ||
|
|
api.consts.timestamp?.minimumPeriod.muln(2) ||
|
|
DEFAULT_TIME
|
|
),
|
|
[api, days]
|
|
);
|
|
}
|