icewallet/src/Services/WalletService.ts

Cold storage enabled command line bitcoin wallet based on bitpay's bitcore

var bitcore = require('bitcore-lib');
import CryptoService from '../Services/CryptoService'
import {PublicWalletInfo} from '../Models/PublicWalletInfo'
import {PrivateWalletInfo} from '../Models/PrivateWalletInfo'
import {Account} from '../Models/Account'

abstract class WalletService {
  password:string;
  walletInfo:PublicWalletInfo | PrivateWalletInfo;
  selectedAccount:Account;
  static cryptoService = new CryptoService();

  get hdPublicKey():any {
      return this.selectedAccount.hdPublicKey;
  }
  
  constructor(info:PublicWalletInfo | PrivateWalletInfo, password:string){
    this.walletInfo = info;
    this.password = password;
  }
  
  // returns an address of the given index
  address(index:number, change:boolean):string{
    var chain:number = change ? 1 : 0;
    return new bitcore.Address(this.hdPublicKey.derive(chain).derive(index).publicKey).toString();
  }

  addressRange(start:number, end:number, change:boolean):string[]{
    var addresses:string[] = [];
    for (var i:number = start; i <= end; i++){
      addresses.push(this.address(i,change));
    }
    return addresses;
  }

  abstract switchAccount(accountName:string, callback:(err:any) => void):void;
  abstract exportInfo(callback:(err:any, encryptedInfo:string) => void):void;
}

export default WalletService;