import { ethers } from "ethers";
import { BigNumber, Signer } from "ethers";
import { Web3Provider } from "@ethersproject/providers";


export default class EthereumProvider {

  public chainName: string = "Ethereum";
  private _url: string;
  public networkId: number;
  // private defaultGasPrice: number;
  // private defaultGasRatio: number;
  // private defaultStorageRatio: number;
  // private useHexAddressInParameter: boolean;
  // private useVerboseAddress: boolean;
  private provider;

  constructor (url: string, networkId: number) {
    this._url = url;
    this.networkId = networkId;
    this.provider = new ethers.providers.JsonRpcProvider(url);
  }

  public getBlockNumber(): Promise<number> {
    return this.provider.getBlockNumber();
  }

  public async getBalance(walletAddress: string): Promise<bigint> {
    let balance = await this.provider.getBalance(walletAddress);
    return BigInt(balance.toNumber());
  }

  public getBlock(blockNumberOrHash: number | string, detail: boolean): Promise<object> {
    if (typeof blockNumberOrHash === "number") {
      return this.getBlockByNumber(blockNumberOrHash, detail);
    } else {
      return this.getBlockByHash(blockNumberOrHash, detail);
    }
  }

  public getBlockByNumber(blockNumber: number, detail: boolean): Promise<object> {
    return this.provider.getBlock(blockNumber, detail);
  }

  public getBlockByHash(blockHash: string, detail: boolean): Promise<object> {
    return this.provider.send("eth_getBlockByHash", [ethers.utils.hexValue(blockHash), detail]);
  }

  public getTransactionByHash(blockHash: string): Promise<object> {
    return this.provider.send("eth_getBlockByHash ", [blockHash]);
  }

}