42 lines
1.5 KiB
TypeScript
42 lines
1.5 KiB
TypeScript
import { EventEmitter, Injectable } from '@angular/core';
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import { environment } from '@src/environments/environment';
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import { BehaviorSubject, Observable } from 'rxjs';
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import { CICRegistry } from 'cic-client';
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import { TokenRegistry } from '@app/_eth';
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import { HttpClient } from '@angular/common/http';
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import { RegistryService } from '@app/_services/registry.service';
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@Injectable({
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providedIn: 'root',
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})
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export class TokenService {
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registry: CICRegistry;
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tokenRegistry: TokenRegistry;
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LoadEvent: EventEmitter<number> = new EventEmitter<number>();
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constructor(private httpClient: HttpClient, private registryService: RegistryService) {
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this.registry = registryService.getRegistry();
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this.registry.load();
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this.registry.onload = async (address: string): Promise<void> => {
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this.tokenRegistry = new TokenRegistry(
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await this.registry.getContractAddressByName('TokenRegistry')
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);
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this.LoadEvent.next(Date.now());
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};
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}
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async getTokens(): Promise<Array<Promise<string>>> {
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const count: number = await this.tokenRegistry.totalTokens();
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return Array.from({ length: count }, async (v, i) => await this.tokenRegistry.entry(i));
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}
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getTokenBySymbol(symbol: string): Observable<any> {
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return this.httpClient.get(`${environment.cicCacheUrl}/tokens/${symbol}`);
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}
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async getTokenBalance(address: string): Promise<number> {
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const sarafuToken = await this.registry.addToken(await this.tokenRegistry.entry(0));
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return await sarafuToken.methods.balanceOf(address).call();
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}
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}
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