Jaco
dfbfaf12eb
* Support for ink! metadata v3 * Flatten check for V1-V3 * DRY-er is/as conversions * Test for v2 conversion * Remove stray console.log * Generic converter * Cleanups
39 lines
1.4 KiB
TypeScript
39 lines
1.4 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 { ContractMetadataLatest, ContractMetadataV3 } from '@polkadot/types/interfaces';
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import type { Registry } from '@polkadot/types/types';
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import { v0ToV1 } from './toV1';
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import { v1ToV2 } from './toV2';
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import { v2ToV3 } from './toV3';
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type Versions = 'V3' | 'V2' | 'V1' | 'V0';
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type Converter = (registry: Registry, vx: any) => ContractMetadataLatest;
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// Helper to convert metadata from one step to the next
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function createConverter <I, O> (next: (registry: Registry, input: O) => ContractMetadataLatest, step: (registry: Registry, input: I) => O): (registry: Registry, input: I) => ContractMetadataLatest {
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return (registry: Registry, input: I): ContractMetadataLatest =>
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next(registry, step(registry, input));
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}
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export function v3ToLatest (registry: Registry, v3: ContractMetadataV3): ContractMetadataLatest {
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return v3;
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}
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export const v2ToLatest = createConverter(v3ToLatest, v2ToV3);
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export const v1ToLatest = createConverter(v2ToLatest, v1ToV2);
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export const v0ToLatest = createConverter(v1ToLatest, v0ToV1);
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// The versions where an enum is used, aka V0 is missing
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// (Order from newest, i.e. we expect more on newest vs oldest)
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export const enumVersions = ['V3', 'V2', 'V1'];
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export const convertVersions: [Versions, Converter][] = [
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['V3', v3ToLatest],
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['V2', v2ToLatest],
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['V1', v1ToLatest],
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['V0', v0ToLatest]
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];
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