70 lines
1.6 KiB
TypeScript
70 lines
1.6 KiB
TypeScript
// Copyright 2017-2020 @polkadot/app-accounts authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import React, { useCallback, useMemo } from 'react';
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import styled from 'styled-components';
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import { useApi } from '@polkadot/react-hooks';
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import { chains } from '@polkadot/ui-settings/defaults/chains';
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import Toggle from './Toggle';
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import { useTranslation } from './translate';
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interface Props {
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className?: string;
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genesisHash: string | null;
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isDisabled?: boolean;
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onChange: (genesisHash: string | null) => void;
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}
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function calcLock (apiGenesis: string, genesisHash: string | null): boolean {
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if (!genesisHash) {
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return false;
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}
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return (
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Object.values(chains).find((hashes): boolean =>
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hashes.includes(apiGenesis)
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) || [apiGenesis]
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).includes(genesisHash);
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}
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function ChainLock ({ className = '', genesisHash, isDisabled, onChange }: Props): React.ReactElement<Props> | null {
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const { t } = useTranslation();
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const { api, isDevelopment } = useApi();
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const isTiedToChain = useMemo(
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() => calcLock(api.genesisHash.toHex(), genesisHash),
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[api, genesisHash]
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);
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const _onChange = useCallback(
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(isTiedToChain: boolean) =>
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onChange(
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isTiedToChain
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? api.genesisHash.toHex()
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: null
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),
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[api, onChange]
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);
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if (isDevelopment) {
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return null;
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}
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return (
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<Toggle
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className={className}
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isDisabled={isDisabled}
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label={t<string>('only this network')}
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onChange={_onChange}
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preventDefault
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value={isTiedToChain}
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/>
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);
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}
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export default React.memo(styled(ChainLock)`
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text-align: right;
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`);
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