status-go/errors/errors.go

65 lines
1.4 KiB
Go

package errors
import (
"encoding/json"
)
// ErrorCode represents a specific error code.
type ErrorCode string
const GenericErrorCode ErrorCode = "0"
// ErrorResponse represents an error response structure.
type ErrorResponse struct {
Code ErrorCode `json:"code"`
Details string `json:"details,omitempty"`
}
// Error implements the error interface for ErrorResponse.
func (e *ErrorResponse) Error() string {
errorJSON, _ := json.Marshal(e)
return string(errorJSON)
}
// IsErrorResponse determines if an error is an ErrorResponse.
func IsErrorResponse(err error) bool {
_, ok := err.(*ErrorResponse)
return ok
}
// ErrorCodeFromError returns the ErrorCode from an error.
func ErrorCodeFromError(err error) ErrorCode {
if err == nil {
return GenericErrorCode
}
if errResp, ok := err.(*ErrorResponse); ok {
return errResp.Code
}
return GenericErrorCode
}
// DetailsFromError returns the details from an error.
func DetailsFromError(err error) string {
if err == nil {
return ""
}
if errResp, ok := err.(*ErrorResponse); ok {
return errResp.Details
}
return err.Error()
}
// CreateErrorResponseFromError creates an ErrorResponse from a generic error.
func CreateErrorResponseFromError(err error) error {
if err == nil {
return nil
}
if errResp, ok := err.(*ErrorResponse); ok {
return errResp
}
return &ErrorResponse{
Code: GenericErrorCode,
Details: err.Error(),
}
}