95 lines
2.4 KiB
TypeScript
95 lines
2.4 KiB
TypeScript
// Copyright 2017-2021 @polkadot/react-components authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { DecodedEvent } from '@polkadot/api-contract/types';
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import type { Bytes } from '@polkadot/types';
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import type { Event } from '@polkadot/types/interfaces';
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import type { Codec } from '@polkadot/types/types';
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import React, { useMemo } from 'react';
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import { Input } from '@polkadot/react-components';
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import Params from '@polkadot/react-params';
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import { getTypeDef } from '@polkadot/types';
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import { useTranslation } from './translate';
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import { getContractAbi } from './util';
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export interface Props {
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children?: React.ReactNode;
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className?: string;
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value: Event;
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}
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interface Value {
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isValid: boolean;
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value: Codec;
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}
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interface AbiEvent extends DecodedEvent {
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values: Value[];
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}
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function EventDisplay ({ children, className = '', value }: Props): React.ReactElement<Props> {
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const { t } = useTranslation();
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const params = value.typeDef.map(({ type }) => ({ type: getTypeDef(type) }));
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const values = value.data.map((value) => ({ isValid: true, value }));
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const abiEvent = useMemo(
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(): AbiEvent | null => {
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// for contracts, we decode the actual event
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if (value.section === 'contracts' && value.method === 'ContractExecution' && value.data.length === 2) {
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// see if we have info for this contract
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const [accountId, encoded] = value.data;
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try {
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const abi = getContractAbi(accountId.toString());
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if (abi) {
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const decoded = abi.decodeEvent(encoded as Bytes);
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return {
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...decoded,
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values: decoded.args.map((value) => ({ isValid: true, value }))
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};
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}
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} catch (error) {
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// ABI mismatch?
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console.error(error);
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}
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}
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return null;
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},
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[value]
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);
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return (
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<div className={`ui--Event ${className}`}>
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{children}
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<Params
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isDisabled
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params={params}
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values={values}
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>
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{abiEvent && (
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<>
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<Input
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isDisabled
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label={t<string>('contract event')}
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value={abiEvent.event.identifier}
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/>
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<Params
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isDisabled
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params={abiEvent.event.args}
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values={abiEvent.values}
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/>
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</>
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)}
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</Params>
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</div>
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);
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}
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export default React.memo(EventDisplay);
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