55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package transaction
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import (
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"encoding/hex"
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"encoding/json"
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"io"
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"github.com/CityOfZion/neo-go/pkg/crypto/hash"
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"github.com/CityOfZion/neo-go/pkg/util"
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)
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// Witness contains 2 scripts.
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type Witness struct {
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InvocationScript []byte
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VerificationScript []byte
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}
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// DecodeBinary implements the payload interface.
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func (w *Witness) DecodeBinary(r io.Reader) error {
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br := util.BinReader{R: r}
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w.InvocationScript = br.ReadBytes()
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w.VerificationScript = br.ReadBytes()
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return br.Err
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}
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// EncodeBinary implements the payload interface.
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func (w *Witness) EncodeBinary(writer io.Writer) error {
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bw := util.BinWriter{W: writer}
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bw.WriteBytes(w.InvocationScript)
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bw.WriteBytes(w.VerificationScript)
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return bw.Err
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}
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// MarshalJSON implements the json marshaller interface.
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func (w *Witness) MarshalJSON() ([]byte, error) {
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data := map[string]string{
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"invocation": hex.EncodeToString(w.InvocationScript),
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"verification": hex.EncodeToString(w.VerificationScript),
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}
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return json.Marshal(data)
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}
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// Size returns the size in bytes of the Witness.
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func (w *Witness) Size() int {
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return util.GetVarSize(w.InvocationScript) + util.GetVarSize(w.VerificationScript)
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}
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// ScriptHash returns the hash of the VerificationScript.
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func (w Witness) ScriptHash() util.Uint160 {
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return hash.Hash160(w.VerificationScript)
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}
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