text: const stellar = require('../stellar').getInstance()
  const assert = require('assert')
  const DB = require("../db")
  
  module.exports = async (currentMemberId, address) => {
      assert.ok(stellar.validateAddress(address), new Error('Bad Stellar address'))
      const db = await DB.getInstance()
  
      return db.linkMember(currentMemberId, address)
  }