status-im/status-go

package signal

const (
    // EventSignRequestAdded is triggered when send transaction request is queued
    EventSignRequestAdded = "sign-request.queued"
    // EventSignRequestFailed is triggered when send transaction request fails
    EventSignRequestFailed = "sign-request.failed"
)

// PendingRequestEvent is a signal sent when a sign request is added
type PendingRequestEvent struct {
    ID        string      `json:"id"`
    Method    string      `json:"method"`
    Args      interface{} `json:"args"`
    MessageID string      `json:"message_id"`
}

// SendSignRequestAdded sends a signal when a sign request is added.
func SendSignRequestAdded(event PendingRequestEvent) {
    send(EventSignRequestAdded, event)
}

// PendingRequestErrorEvent is a signal sent when sign request has failed
type PendingRequestErrorEvent struct {
    PendingRequestEvent
    ErrorMessage string `json:"error_message"`
    ErrorCode    int    `json:"error_code,string"`
}

// SendSignRequestFailed sends a signal of failed sign request.
func SendSignRequestFailed(event PendingRequestEvent, err error, errCode int) {
    send(EventSignRequestFailed,
        PendingRequestErrorEvent{
            PendingRequestEvent: event,
            ErrorMessage:        err.Error(),
            ErrorCode:           errCode,
        })
}