lnd.xprv/lnwallet/txout.go
2017-09-14 13:56:25 +02:00

47 lines
915 B
Go

package lnwallet
import (
"encoding/binary"
"io"
"github.com/roasbeef/btcd/wire"
)
// writeTxOut serializes a wire.TxOut struct into the passed io.Writer stream.
func writeTxOut(w io.Writer, txo *wire.TxOut) error {
var scratch [8]byte
binary.BigEndian.PutUint64(scratch[:], uint64(txo.Value))
if _, err := w.Write(scratch[:]); err != nil {
return err
}
if err := wire.WriteVarBytes(w, 0, txo.PkScript); err != nil {
return err
}
return nil
}
// readTxOut deserializes a wire.TxOut struct from the passed io.Reader stream.
func readTxOut(r io.Reader, txo *wire.TxOut) error {
var scratch [8]byte
if _, err := io.ReadFull(r, scratch[:]); err != nil {
return err
}
value := int64(binary.BigEndian.Uint64(scratch[:]))
pkScript, err := wire.ReadVarBytes(r, 0, 80, "pkScript")
if err != nil {
return err
}
*txo = wire.TxOut{
Value: value,
PkScript: pkScript,
}
return nil
}