56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package transaction
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// TXType is the type of a transaction.
|
|
type TXType uint8
|
|
|
|
// Constants for all valid transaction types.
|
|
const (
|
|
RegisterType TXType = 0x40
|
|
InvocationType TXType = 0xd1
|
|
)
|
|
|
|
// String implements the stringer interface.
|
|
func (t TXType) String() string {
|
|
switch t {
|
|
case RegisterType:
|
|
return "RegisterTransaction"
|
|
case InvocationType:
|
|
return "InvocationTransaction"
|
|
default:
|
|
return "UnknownTransaction"
|
|
}
|
|
}
|
|
|
|
// MarshalJSON implements the json marshaller interface.
|
|
func (t TXType) MarshalJSON() ([]byte, error) {
|
|
return []byte(`"` + t.String() + `"`), nil
|
|
}
|
|
|
|
// UnmarshalJSON implements the json.Unmarshaler interface.
|
|
func (t *TXType) UnmarshalJSON(data []byte) error {
|
|
l := len(data)
|
|
if l < 2 || data[0] != '"' || data[l-1] != '"' {
|
|
return errors.New("wrong format")
|
|
}
|
|
var err error
|
|
*t, err = TXTypeFromString(string(data[1 : l-1]))
|
|
return err
|
|
}
|
|
|
|
// TXTypeFromString searches for TXType by string name.
|
|
func TXTypeFromString(jsonString string) (TXType, error) {
|
|
switch jsonString = strings.TrimSpace(jsonString); jsonString {
|
|
case "RegisterTransaction":
|
|
return RegisterType, nil
|
|
case "InvocationTransaction":
|
|
return InvocationType, nil
|
|
default:
|
|
return 0, errors.New("unknown state")
|
|
}
|
|
}
|