import { BlockChain } from 'chain/BlockChain'
import { ZError } from 'common/ZError'
import BaseController from 'common/base.controller'
import { role, router } from 'decorators/router'

class TokenController extends BaseController {
  @role('anon')
  @router('post /chain/estimate_transfer_gas')
  async calcTransPrice(req, res) {
    const { address } = req.params
    const bc = new BlockChain()
    const account = bc.currentAccount
    let gas = await bc.erc20Reactor.transfer({
      address: address + '',
      to: account,
      amount: 0,
      estimate: true,
    })
    let data = bc.generateGasShow(gas)
    return data
  }

  @role('anon')
  @router('post /chain/estimate_gas')
  async calcGasPrice(req, res) {
    let { gas } = req.params
    if (!gas) {
      throw new ZError(10, 'gas is required')
    }
    let data = new BlockChain().generateGasShow(gas)
    return data
  }
}
export default TokenController