6740d28864
* added Option type as return type from api requests for brokerConfig and brokerSalesInfo * extra check for value
48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
// Copyright 2017-2024 @polkadot/react-hooks authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { Option } from '@polkadot/types';
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import type { PalletBrokerSaleInfoRecord } from '@polkadot/types/lookup';
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import type { PalletBrokerSaleInfoRecord as SimplifiedPalletBrokerSaleInfoRecord } from './types.js';
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import { useEffect, useState } from 'react';
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import { createNamedHook, useApi, useCall } from '@polkadot/react-hooks';
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import { BN } from '@polkadot/util';
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function extractInfo (record: Option<PalletBrokerSaleInfoRecord>): SimplifiedPalletBrokerSaleInfoRecord {
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const v = record.unwrap();
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return {
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coresOffered: v.coresOffered?.toNumber(),
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coresSold: v.coresSold?.toNumber(),
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endPrice: v.endPrice,
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firstCore: v.firstCore?.toNumber(),
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idealCoresSold: v.idealCoresSold?.toNumber(),
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leadinLength: v.leadinLength?.toNumber(),
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regionBegin: v.regionBegin?.toNumber(),
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regionEnd: v.regionEnd?.toNumber(),
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saleStart: v.saleStart?.toNumber(),
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selloutPrice: v.selloutPrice?.isSome ? v.selloutPrice?.unwrap() : new BN(0)
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};
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}
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function useBrokerSalesInfoImpl () {
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const { api, isApiReady } = useApi();
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const record = useCall<Option<PalletBrokerSaleInfoRecord>>(isApiReady && api.query.broker.saleInfo);
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const [state, setState] = useState<SimplifiedPalletBrokerSaleInfoRecord | undefined>();
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useEffect((): void => {
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!!record && !!record.isSome && !!record.toJSON() &&
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setState(
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extractInfo(record)
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);
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}, [record]);
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return state;
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}
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export const useBrokerSalesInfo = createNamedHook('useBrokerSalesInfo', useBrokerSalesInfoImpl);
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