code: def export_account_state(self, account_state):
          
          return {
              'address': account_state['address'],
              'type': account_state['type'],
              'credit_value': '{}'.format(account_state['credit_value']),
              'debit_value': '{}'.format(account_state['debit_value']),
              'lock_transfer_block_id': account_state['lock_transfer_block_id'],
              'block_id': account_state['block_id'],
              'vtxindex': account_state['vtxindex'],
              'txid': account_state['txid'],
          }
docs: Make an account state presentable to external consumers