package main

import "bytes"

// TXOutput represents a transaction output
type TXOutput struct {
	Value        int
	ScriptPubKey []byte
}

// Lock signs the output
func (out *TXOutput) Lock(address []byte) {
	pubKeyHash := Base58Decode(address)
	pubKeyHash = pubKeyHash[1 : len(pubKeyHash)-4]
	out.ScriptPubKey = pubKeyHash
}

// IsLockedWithKey checks if the output can be used by the owner of the pubkey
func (out *TXOutput) IsLockedWithKey(pubKeyHash []byte) bool {
	return bytes.Compare(out.ScriptPubKey, pubKeyHash) == 0
}

// NewTXOutput create a new TXOutput
func NewTXOutput(value int, address string) *TXOutput {
	txo := &TXOutput{value, nil}
	txo.Lock([]byte(address))

	return txo
}