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47 changes: 47 additions & 0 deletions
47
packages/extension-base/src/services/balance-service/helpers/subscribe/cardano/index.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // Copyright 2019-2022 @subwallet/extension-base | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| import {ASTAR_REFRESH_BALANCE_INTERVAL} from '@subwallet/extension-base/constants'; | ||
| import {_CardanoApi} from '@subwallet/extension-base/services/chain-service/types'; | ||
| import {BalanceItem, SusbcribeCardanoPalletBallance} from '@subwallet/extension-base/types'; | ||
| import {APIItemState} from "@subwallet/extension-base/background/KoniTypes"; | ||
| import {filterAssetsByChainAndType} from "@subwallet/extension-base/utils"; | ||
| import {_AssetType} from "@subwallet/chain-list/types"; | ||
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| async function getCardanoBalance (addresses: string[], cardanoApi: _CardanoApi): Promise<bigint[]> { | ||
| return await Promise.all(addresses.map(async (address) => { | ||
| try { | ||
| return await cardanoApi. | ||
| } catch (e) { | ||
| return BigInt(0); | ||
| } | ||
| })) | ||
| } | ||
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| export function subscribeCardanoBalance (params: SusbcribeCardanoPalletBallance) { | ||
| const { addresses, assetMap, callback, cardanoApi, chainInfo } = params; | ||
| const chain = chainInfo.slug; | ||
| const nativeTokenInfo = filterAssetsByChainAndType(assetMap, chain, [_AssetType.NATIVE, _AssetType.CIP26]); | ||
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| function getBalance () { | ||
| getCardanoBalance(addresses, cardanoApi) | ||
| .then((balances) => { | ||
| return balances.map((balance, index): BalanceItem => { | ||
| return { | ||
| address: addresses[index], | ||
| tokenSlug: nativeTokenSlug, | ||
| state: APIItemState.READY, | ||
| free: balance.toString(), | ||
| locked: '0' // todo: check staking on cardano | ||
| } | ||
| }) | ||
| }) | ||
| } | ||
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| getBalance(); | ||
| const interval = setInterval(getBalance, ASTAR_REFRESH_BALANCE_INTERVAL); | ||
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| return () => { | ||
| clearInterval(interval); | ||
| }; | ||
| } |
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134 changes: 134 additions & 0 deletions
134
packages/extension-base/src/services/chain-service/handler/CardanoApi.ts
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,134 @@ | ||
| // Copyright 2019-2022 @subwallet/extension-base authors & contributors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| import { BlockFrostAPI } from '@blockfrost/blockfrost-js'; | ||
| import { _ApiOptions } from '@subwallet/extension-base/services/chain-service/handler/types'; | ||
| import { _CardanoApi, _ChainConnectionStatus } from '@subwallet/extension-base/services/chain-service/types'; | ||
| import { createPromiseHandler, PromiseHandler } from '@subwallet/extension-base/utils'; | ||
| import { BehaviorSubject } from 'rxjs'; | ||
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| export const API_KEY = { | ||
| mainnet: 'mainnet6uE9JH3zGYquaxRKA7IMhEuzRUB58uGK', | ||
| testnet: 'preprodcnP5RADcrWMlf2cQe4ZKm4cjRvrBQFXM' | ||
| }; | ||
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| export class CardanoApi implements _CardanoApi { | ||
| chainSlug: string; | ||
| private api: CardanoApi; | ||
| apiUrl: string; | ||
| apiError?: string; | ||
| apiRetry = 0; | ||
| public readonly isApiConnectedSubject = new BehaviorSubject(false); | ||
| public readonly connectionStatusSubject = new BehaviorSubject(_ChainConnectionStatus.DISCONNECTED); | ||
| isApiReady = false; | ||
| isApiReadyOnce = false; | ||
| isReadyHandler: PromiseHandler<_CardanoApi>; | ||
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| providerName: string; | ||
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| constructor (chainSlug: string, apiUrl: string, { isTestnet, providerName }: _ApiOptions) { | ||
| this.chainSlug = chainSlug; | ||
| this.apiUrl = apiUrl; | ||
| this.providerName = providerName || 'unknown'; | ||
| this.api = this.createProvider(isTestnet); | ||
| this.isReadyHandler = createPromiseHandler<_CardanoApi>(); | ||
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| this.connect(); | ||
| } | ||
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| get isApiConnected (): boolean { | ||
| return this.isApiConnectedSubject.getValue(); | ||
| } | ||
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| get connectionStatus (): _ChainConnectionStatus { | ||
| return this.connectionStatusSubject.getValue(); | ||
| } | ||
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| private updateConnectionStatus (status: _ChainConnectionStatus): void { | ||
| const isConnected = status === _ChainConnectionStatus.CONNECTED; | ||
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| if (isConnected !== this.isApiConnectedSubject.value) { | ||
| this.isApiConnectedSubject.next(isConnected); | ||
| } | ||
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| if (status !== this.connectionStatusSubject.value) { | ||
| this.connectionStatusSubject.next(status); | ||
| } | ||
| } | ||
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| get isReady (): Promise<_CardanoApi> { | ||
| return this.isReadyHandler.promise; | ||
| } | ||
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| async updateApiUrl (apiUrl: string) { | ||
| if (this.apiUrl === apiUrl) { | ||
| return; | ||
| } | ||
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| await this.disconnect(); | ||
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| this.apiUrl = apiUrl; | ||
| this.api = this.createProvider(); | ||
| } | ||
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| async recoverConnect () { | ||
| await this.disconnect(); | ||
| this.connect(); | ||
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| await this.isReadyHandler.promise; | ||
| } | ||
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| private createProvider (isTestnet = true) { | ||
| const projectId = isTestnet ? API_KEY.testnet : API_KEY.mainnet; | ||
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| return new BlockFrostAPI({ | ||
| projectId | ||
| }); | ||
| } | ||
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| private getJsonRpc (url: string) { | ||
| return `${url}/jsonRPC`; | ||
| } | ||
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| connect (): void { | ||
| this.updateConnectionStatus(_ChainConnectionStatus.CONNECTING); | ||
| // There isn't a persistent network connection underlying TonClient. Cant check connection status. | ||
| // this.isApiReadyOnce = true; | ||
| this.onConnect(); | ||
| } | ||
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| async disconnect () { | ||
| this.onDisconnect(); | ||
| this.updateConnectionStatus(_ChainConnectionStatus.DISCONNECTED); | ||
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| return Promise.resolve(); | ||
| } | ||
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| destroy () { | ||
| // Todo: implement this in the future | ||
| return this.disconnect(); | ||
| } | ||
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| onConnect (): void { | ||
| if (!this.isApiConnected) { | ||
| console.log(`Connected to ${this.chainSlug} at ${this.apiUrl}`); | ||
| this.isApiReady = true; | ||
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| if (this.isApiReadyOnce) { | ||
| this.isReadyHandler.resolve(this); | ||
| } | ||
| } | ||
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| this.updateConnectionStatus(_ChainConnectionStatus.CONNECTED); | ||
| } | ||
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| onDisconnect (): void { | ||
| this.updateConnectionStatus(_ChainConnectionStatus.DISCONNECTED); | ||
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| if (this.isApiConnected) { | ||
| console.warn(`Disconnected from ${this.chainSlug} of ${this.apiUrl}`); | ||
| this.isApiReady = false; | ||
| this.isReadyHandler = createPromiseHandler<_CardanoApi>(); | ||
| } | ||
| } | ||
| } |
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