// @ts-ignore
import * as registryClient from '@src/assets/js/block-sync/data/TokenUniqueSymbolIndex.json';
import Web3 from 'web3';
import {environment} from '@src/environments/environment';

const web3 = new Web3(environment.web3Provider);
const abi = registryClient.default;

export class TokenRegistry {
  contractAddress: string;
  signerAddress: string;
  contract: any;

  constructor(contractAddress: string, signerAddress?: string) {
    this.contractAddress = contractAddress;
    this.contract = new web3.eth.Contract(abi, this.contractAddress);
    if (signerAddress) {
      this.signerAddress = signerAddress;
    } else {
      this.signerAddress = web3.eth.accounts[0];
    }
  }

  public async totalTokens(): Promise<number> {
    return await this.contract.methods.entryCount().call();
  }

  public async entry(serial: number): Promise<string> {
    return await this.contract.methods.entry(serial).call();
  }

  public async addressOf(identifier: string): Promise<string> {
    const id = '0x' + web3.utils.padRight(new Buffer(identifier).toString('hex'), 64);
    return await this.contract.methods.addressOf(id).call();
  }
}