Function finalOpcodeData

txscript/script.go:392–407

finalOpcodeData returns the data associated with the final opcode in the script. It will return nil if the script fails to parse.

(scriptVersion uint16, script []byte)

// finalOpcodeData returns the data associated with the final opcode in the
// script.  It will return nil if the script fails to parse.
func finalOpcodeData(scriptVersion uint16, script []byte) []byte {
	// Avoid unnecessary work.
	if len(script) == 0 {
		return nil
	}

	var data []byte
	tokenizer := MakeScriptTokenizer(scriptVersion, script)
	for tokenizer.Next() {
		data = tokenizer.Data()
	}
	if tokenizer.Err() != nil {
		return nil
	}
	return data
}

// GetPreciseSigOpCount returns the number of signature operations in
// scriptPubKey.  If bip16 is true then scriptSig may be searched for the