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) }