You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.3 KiB
63 lines
1.3 KiB
package account
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"reflect"
|
|
|
|
"github.com/tendermint/go-ed25519"
|
|
. "github.com/tendermint/tendermint/binary"
|
|
. "github.com/tendermint/tendermint/common"
|
|
)
|
|
|
|
// Signature is a part of Txs and consensus Votes.
|
|
type Signature interface {
|
|
}
|
|
|
|
// Types of Signature implementations
|
|
const (
|
|
SignatureTypeEd25519 = byte(0x01)
|
|
)
|
|
|
|
//-------------------------------------
|
|
// for binary.readReflect
|
|
|
|
func SignatureDecoder(r io.Reader, n *int64, err *error) interface{} {
|
|
switch t := ReadByte(r, n, err); t {
|
|
case SignatureTypeEd25519:
|
|
return ReadBinary(SignatureEd25519{}, r, n, err)
|
|
default:
|
|
*err = Errorf("Unknown Signature type %X", t)
|
|
return nil
|
|
}
|
|
}
|
|
|
|
var _ = RegisterType(&TypeInfo{
|
|
Type: reflect.TypeOf((*Signature)(nil)).Elem(),
|
|
Decoder: SignatureDecoder,
|
|
})
|
|
|
|
//-------------------------------------
|
|
|
|
// Implements Signature
|
|
type SignatureEd25519 struct {
|
|
Bytes []byte
|
|
}
|
|
|
|
func (sig SignatureEd25519) TypeByte() byte { return SignatureTypeEd25519 }
|
|
|
|
func (sig SignatureEd25519) ValidateBasic() error {
|
|
if len(sig.Bytes) != ed25519.SignatureSize {
|
|
return errors.New("Invalid SignatureEd25519 signature size")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (sig SignatureEd25519) IsZero() bool {
|
|
return len(sig.Bytes) == 0
|
|
}
|
|
|
|
func (sig SignatureEd25519) String() string {
|
|
return fmt.Sprintf("%X", Fingerprint(sig.Bytes))
|
|
}
|