docs: def raw(self) -> str:
          """
          Return raw string format from the instance
  
          :return:
          """
          doc = """Version: {0}
  Type: Transaction
  Currency: {1}
  """.format(self.version,
             self.currency)
  
          if self.version >= 3:
              doc += "Blockstamp: {0}\n".format(self.blockstamp)
  
          doc += "Locktime: {0}\n".format(self.locktime)
  
          doc += "Issuers:\n"
          for p in self.issuers:
              doc += "{0}\n".format(p)
  
          doc += "Inputs:\n"
          for i in self.inputs:
              doc += "{0}\n".format(i.inline(self.version))
  
          doc += "Unlocks:\n"
          for u in self.unlocks:
              doc += "{0}\n".format(u.inline())
  
          doc += "Outputs:\n"
          for o in self.outputs:
              doc += "{0}\n".format(o.inline())
  
          doc += "Comment: "
          doc += "{0}\n".format(self.comment)
  
          return doc