Jaco Greeff
600666de1c
* User asLatest in metadata extraction * Cleanup Decorated, bump * linting * cleanup decorate * Remove registry arg from Decorated
37 lines
1.2 KiB
TypeScript
37 lines
1.2 KiB
TypeScript
// Copyright 2017-2020 @polkadot/metadata authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { ModulesWithCalls } from '@polkadot/types/types';
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import { Constants, Storage } from './types';
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import { assert } from '@polkadot/util';
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import Metadata from '../Metadata';
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import constantsFromMeta from './consts/fromMetadata';
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import extrinsicsFromMeta from './extrinsics/fromMetadata';
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import storageFromMeta from './storage/fromMetadata';
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/**
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* This class represents a decorated wrapper over the [[Metadata]]. The
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* [[Metadata]] type is a Codec type returned by the node, and `Decorated`
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* composes it and populates the `.query`, `.tx` and `.consts` sections.
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*/
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export default class Decorated {
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public readonly consts: Constants;
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public readonly query: Storage;
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public readonly tx: ModulesWithCalls;
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constructor (value: Metadata) {
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assert(value instanceof Metadata, 'You need to pass a valid Metadata instance to Decorated');
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const latest = value.asLatest;
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// decoration
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this.tx = extrinsicsFromMeta(value.registry, latest);
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this.query = storageFromMeta(value.registry, latest);
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this.consts = constantsFromMeta(value.registry, latest);
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}
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}
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