neo-go/pkg/core/transaction/witness.go
Elizaveta Chichindaeva 28908aa3cf [#2442] English Check
Signed-off-by: Elizaveta Chichindaeva <elizaveta@nspcc.ru>
2022-05-04 19:48:27 +03:00

40 lines
1.2 KiB
Go

package transaction
import (
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/util"
)
const (
// MaxInvocationScript is the maximum length of allowed invocation
// script. It should fit 11/21 multisignature for the committee.
MaxInvocationScript = 1024
// MaxVerificationScript is the maximum allowed length of verification
// script. It should be appropriate for 11/21 multisignature committee.
MaxVerificationScript = 1024
)
// Witness contains 2 scripts.
type Witness struct {
InvocationScript []byte `json:"invocation"`
VerificationScript []byte `json:"verification"`
}
// DecodeBinary implements the Serializable interface.
func (w *Witness) DecodeBinary(br *io.BinReader) {
w.InvocationScript = br.ReadVarBytes(MaxInvocationScript)
w.VerificationScript = br.ReadVarBytes(MaxVerificationScript)
}
// EncodeBinary implements the Serializable interface.
func (w *Witness) EncodeBinary(bw *io.BinWriter) {
bw.WriteVarBytes(w.InvocationScript)
bw.WriteVarBytes(w.VerificationScript)
}
// ScriptHash returns the hash of the VerificationScript.
func (w Witness) ScriptHash() util.Uint160 {
return hash.Hash160(w.VerificationScript)
}