joystream/cli/src/commands/working-groups/updateWorkerReward.ts

import WorkingGroupsCommandBase from '../../base/WorkingGroupsCommandBase'
import { apiModuleByGroup } from '../../Api'
import { formatBalance } from '@polkadot/util'
import chalk from 'chalk'
import { Reward } from '../../Types'
import { positiveInt } from '../../validators/common'
import { createParamOptions } from '../../helpers/promptOptions'
import ExitCodes from '../../ExitCodes'
import { BalanceOfMint } from '@joystream/types/mint'

export default class WorkingGroupsUpdateWorkerReward extends WorkingGroupsCommandBase {
  static description = "Change given worker's reward (amount only). Requires lead access."
  static args = [
    {
      name: 'workerId',
      required: true,
      description: 'Worker ID',
    },
  ]

  static flags = {
    ...WorkingGroupsCommandBase.flags,
  }

  formatReward(reward?: Reward): string {
    return reward
      ? formatBalance(reward.value) +
          (reward.interval ? ` / ${reward.interval} block(s)` : '') +
          (reward.nextPaymentBlock ? ` (next payment: #${reward.nextPaymentBlock})` : '')
      : 'NONE'
  }

  async run(): Promise<void> {
    const { args } = this.parse(WorkingGroupsUpdateWorkerReward)

    const lead = await this.getRequiredLeadContext()

    const workerId = parseInt(args.workerId)
    // This will also make sure the worker is valid
    const groupMember = await this.getWorkerForLeadAction(workerId)

    const { reward } = groupMember

    if (!reward) {
      this.error('There is no reward relationship associated with this worker!', { exit: ExitCodes.InvalidInput })
    }

    console.log(chalk.magentaBright(`Current worker reward: ${this.formatReward(reward)}`))

    const newRewardValue = (await this.promptForParam(
      'BalanceOfMint',
      createParamOptions('new_amount', undefined, positiveInt())
    )) as BalanceOfMint

    await this.sendAndFollowNamedTx(
      await this.getDecodedPair(lead.roleAccount),
      apiModuleByGroup[this.group],
      'updateRewardAmount',
      [workerId, newRewardValue]
    )

    const updatedGroupMember = await this.getApi().groupMember(this.group, workerId)
    this.log(chalk.green(`Worker ${chalk.magentaBright(workerId)} reward has been updated!`))
    this.log(chalk.green(`New worker reward: ${chalk.magentaBright(this.formatReward(updatedGroupMember.reward))}`))
  }
}