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Merge pull request #3937 from Koniverse/koni/dev/issue-3306-v2
[Issue 3306] Update signing flow with metadata
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // Copyright 2019-2022 @subwallet/extension-koni authors & contributors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| import { _ChainInfo } from '@subwallet/chain-list/types'; | ||
| import { MetadataItem } from '@subwallet/extension-base/background/KoniTypes'; | ||
| import { metadataExpand } from '@subwallet/extension-chains/bundle'; | ||
| import { MetadataDef } from '@subwallet/extension-inject/types'; | ||
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| import { Metadata, TypeRegistry } from '@polkadot/types'; | ||
| import { ChainProperties } from '@polkadot/types/interfaces'; | ||
| import { Registry, SignerPayloadJSON } from '@polkadot/types/types'; | ||
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| import KoniState from './handlers/State'; | ||
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| export interface RegistrySource{ | ||
| registry: Registry, | ||
| specVersion: string | number, | ||
| } | ||
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| export function getSuitableRegistry (registries: RegistrySource[], payload: SignerPayloadJSON) { | ||
| const payloadSpecVersion = parseInt(payload.specVersion); | ||
| const sortedRegistries = registries | ||
| .filter((registrySource): registrySource is RegistrySource => registrySource.registry !== undefined) | ||
| .map((registrySource) => { | ||
| const specVersion = Number(registrySource.specVersion); | ||
| const distance = Math.abs(specVersion - payloadSpecVersion); | ||
| const isHigher = specVersion >= payloadSpecVersion; | ||
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| return { | ||
| registry: registrySource.registry, | ||
| specVersion, | ||
| distance, | ||
| isHigher | ||
| }; | ||
| }) | ||
| .sort((a, b) => { | ||
| if (a.distance !== b.distance) { | ||
| return a.distance - b.distance; | ||
| } | ||
|
|
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| return b.specVersion - a.specVersion; | ||
| }); | ||
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| return sortedRegistries[0].registry; | ||
| } | ||
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| export function setupApiRegistry (chainInfo: _ChainInfo | undefined, koniState: KoniState): RegistrySource | null { | ||
| if (!chainInfo) { | ||
| return null; | ||
| } | ||
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| const api = koniState.getSubstrateApi(chainInfo.slug).api; | ||
| const apiSpecVersion = api?.runtimeVersion.specVersion.toString(); | ||
| const registry = api?.registry as unknown as TypeRegistry; | ||
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| return { | ||
| registry, | ||
| specVersion: apiSpecVersion | ||
| }; | ||
| } | ||
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| export function setupDatabaseRegistry (metadata: MetadataItem, chainInfo: _ChainInfo | undefined, payload: SignerPayloadJSON): RegistrySource | null { | ||
| if (!metadata || !metadata.genesisHash || !chainInfo) { | ||
| return null; | ||
| } | ||
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| const registry = new TypeRegistry(); | ||
| const _metadata = new Metadata(registry, metadata.hexValue); | ||
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| registry.register(metadata.types); | ||
| registry.setChainProperties(registry.createType('ChainProperties', metadata.tokenInfo) as unknown as ChainProperties); | ||
| registry.setMetadata(_metadata, payload.signedExtensions, metadata.userExtensions); | ||
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| return { | ||
| registry, | ||
| specVersion: metadata.specVersion | ||
| }; | ||
| } | ||
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| export function setupDappRegistry (metadata: MetadataDef, payload: SignerPayloadJSON): RegistrySource | null { | ||
| if (!metadata || !metadata.genesisHash) { | ||
| return null; | ||
| } | ||
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| const expanded = metadataExpand(metadata, false); | ||
| const registry = expanded.registry; | ||
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| registry.setSignedExtensions(payload.signedExtensions, expanded.definition.userExtensions); | ||
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| return { | ||
| registry, | ||
| specVersion: metadata.specVersion | ||
| }; | ||
| } |
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