gradido/dlt-connector/src/data/Account.factory.ts

import { KeyManager } from '@/manager/KeyManager'
import { KeyPair } from '@/data/KeyPair'
import { AddressType } from '@/data/proto/3_3/enum/AddressType'
import { hardenDerivationIndex } from '@/utils/derivationHelper'
import { Account } from '@entity/Account'
import Decimal from 'decimal.js-light'

const GMW_ACCOUNT_DERIVATION_INDEX = 1
const AUF_ACCOUNT_DERIVATION_INDEX = 2

export class AccountFactory {
  public static createAccount(
    keyPair: KeyPair,
    createdAt: Date,
    derivationIndex: number,
    type: AddressType,
  ): Account {
    const account = Account.create()
    account.derivationIndex = derivationIndex
    account.derive2Pubkey = KeyManager.getInstance().derive([derivationIndex], keyPair).publicKey
    account.type = type.valueOf()
    account.createdAt = createdAt
    account.balance = new Decimal(0)
    return account
  }

  public static createGmwAccount(keyPair: KeyPair, createdAt: Date): Account {
    return AccountFactory.createAccount(
      keyPair,
      createdAt,
      hardenDerivationIndex(GMW_ACCOUNT_DERIVATION_INDEX),
      AddressType.COMMUNITY_GMW,
    )
  }

  public static createAufAccount(keyPair: KeyPair, createdAt: Date): Account {
    return AccountFactory.createAccount(
      keyPair,
      createdAt,
      hardenDerivationIndex(AUF_ACCOUNT_DERIVATION_INDEX),
      AddressType.COMMUNITY_AUF,
    )
  }
}