Jaco
21808f0283
* Auto-extract Meta* interface types based on version list * Additional dedupe * s/ALL_VERSIONS/KNOWN_VERSIONS/ * Restore type addition * Additional <const> specifiers * Handle contracts similar to metadata
59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
// Copyright 2017-2022 @polkadot/api-contract authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { Text } from '@polkadot/types';
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import type { ContractConstructorSpecV0, ContractEventSpecV0, ContractMessageSpecV0, ContractMetadataV1, ContractMetadataV2 } from '@polkadot/types/interfaces';
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import type { Registry } from '@polkadot/types/types';
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import { objectSpread } from '@polkadot/util';
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type WithArgs = keyof typeof ARG_TYPES;
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interface NamedEntry {
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name: Text | Text[];
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}
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type GetArgsType<T extends WithArgs> = T extends 'ContractConstructorSpec'
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? ContractConstructorSpecV0
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: T extends ContractEventSpecV0
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? ContractEventSpecV0
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: ContractMessageSpecV0;
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interface ArgsEntry <T extends WithArgs> extends NamedEntry {
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args: GetArgsType<T>['args'][0][];
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}
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const ARG_TYPES = <const> {
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ContractConstructorSpec: 'ContractMessageParamSpecV2',
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ContractEventSpec: 'ContractEventParamSpecV2',
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ContractMessageSpec: 'ContractMessageParamSpecV2'
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};
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function v1ToV2Label (entry: NamedEntry): { label: Text } {
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return objectSpread({}, entry, {
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label: Array.isArray(entry.name)
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? entry.name.join('::')
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: entry.name
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});
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}
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function v1ToV2Labels <T extends WithArgs> (registry: Registry, outType: T, all: ArgsEntry<T>[]): unknown[] {
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return all.map((e) =>
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registry.createType(`${outType}V2`, objectSpread(v1ToV2Label(e), {
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args: e.args.map((a) =>
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registry.createType(ARG_TYPES[outType], v1ToV2Label(a))
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)
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}))
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);
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}
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export function v1ToV2 (registry: Registry, v1: ContractMetadataV1): ContractMetadataV2 {
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return registry.createType('ContractMetadataV2', objectSpread({}, v1, {
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spec: objectSpread({}, v1.spec, {
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constructors: v1ToV2Labels(registry, 'ContractConstructorSpec', v1.spec.constructors),
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events: v1ToV2Labels(registry, 'ContractEventSpec', v1.spec.events),
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messages: v1ToV2Labels(registry, 'ContractMessageSpec', v1.spec.messages)
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})
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}));
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}
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