func Subscriptify(script []byte, sig []byte) ([]byte, error) {
s := new(scanner.Scanner)
s.Init(script, nil)
subscript := make([]byte, 0, len(script))
loop:
for {
tok := s.Scan()
switch tok {
case token.DATA:
//Suppress the signature
if !bytes.Equal(s.Data(), sig) {
subscript = append(subscript, s.ByteCode())
subscript = append(subscript, s.Data()...)
}
case token.CODESEPARATOR:
//Remove code separators
case token.ENDOFSCRIPT:
break loop
case token.INVALID:
return nil, errors.New("Invalid Token")
default:
//All other tokens are passed straight through
subscript = append(subscript, s.ByteCode())
}
}
if s.ErrorCount() != 0 {
return nil, errors.New("Scanner Errors Occured")
}
return subscript, nil
}
