verify_discovered_services (OpenID::Consumer::IdResHandler)

    # File lib/openid/consumer/idres.rb, line 441
          def verify_discovered_services(services, to_match)
            # Search the services resulting from discovery to find one
            # that matches the information from the assertion
            failure_messages = []
            for endpoint in services
              begin
                verify_discovery_single(endpoint, to_match)
              rescue ProtocolError => why
                failure_messages << why.message
              else
                # It matches, so discover verification has
                # succeeded. Return this endpoint.
                @endpoint = endpoint
                return
              end
            end

            Util.log("Discovery verification failure for #{to_match.claimed_id}")
            failure_messages.each do |failure_message|
              Util.log(" * Endpoint mismatch: " + failure_message)
            end

            # XXX: is DiscoveryFailure in Python OpenID
            raise ProtocolError, ("No matching endpoint found after "\
                                  "discovering #{to_match.claimed_id}")
          end