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response.go
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response.go
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// Copyright 2018 Shift Devices AG
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package relay
import "github.com/digitalbitbox/bitbox-wallet-app/util/errp"
// data models the content of a successful response.
type data struct {
// ID is the value of the auto-incrementing row ID column of the relay server.
ID int `json:"id"`
// Age describes how many seconds passed between a message was pushed and fetched.
Age int `json:"age"`
// Payload is the encrypted message which is passed from the mobile to the desktop.
Payload string `json:"payload"`
}
// response models a response from the relay server.
type response struct {
// Status is either "ok" or "nok".
Status string `json:"status"`
// Data only exists if status is "ok" (and can even then be nil).
Data []data `json:"data,omitempty"`
// Error only exists if status is "nok" (and then not nil).
Error *string `json:"error,omitempty"`
}
// getErrorIfNok returns an error if the status of the response is 'nok'.
func (response *response) getErrorIfNok() error {
if response.Status == "nok" {
if response.Error != nil {
return errp.New(*response.Error)
}
return errp.New("Received a 'nok' response from the relay server without an error message.")
}
return nil
}