cosmos-sdk/types/utils.go

32 lines
774 B
Go

package types
import "encoding/json"
// SortedJSON takes any JSON and returns it sorted by keys. Also, all white-spaces
// are removed.
// This method can be used to canonicalize JSON to be returned by GetSignBytes,
// e.g. for the ledger integration.
// If the passed JSON isn't valid it will return an error.
func SortJSON(toSortJSON []byte) ([]byte, error) {
var c interface{}
err := json.Unmarshal(toSortJSON, &c)
if err != nil {
return nil, err
}
js, err := json.Marshal(c)
if err != nil {
return nil, err
}
return js, nil
}
// MustSortJSON is like SortJSON but panic if an error occurs, e.g., if
// the passed JSON isn't valid.
func MustSortJSON(toSortJSON []byte) []byte {
js, err := SortJSON(toSortJSON)
if err != nil {
panic(err)
}
return js
}