code: def can_transfer(
              self,
              participant1: Address,
              participant2: Address,
              block_identifier: BlockSpecification,
              channel_identifier: ChannelID,
      ) -> bool:
          
          opened = self.channel_is_opened(
              participant1=participant1,
              participant2=participant2,
              block_identifier=block_identifier,
              channel_identifier=channel_identifier,
          )
  
          if opened is False:
              return False
  
          deposit = self._detail_participant(
              channel_identifier=channel_identifier,
              participant=participant1,
              partner=participant2,
              block_identifier=block_identifier,
          ).deposit
          return deposit > 0
docs: Returns True if the channel is opened and the node has deposit in
          it.
  
          Note: Having a deposit does not imply having a balance for off-chain
          transfers.