code: func IsPayToScriptHash(script []byte) bool {
  	pops, err := parseScript(script)
  	if err != nil {
  		return false
  	}
  	return isScriptHash(pops)
  }
docs: // IsPayToScriptHash returns true if the script is in the standard
  // pay-to-script-hash (P2SH) format, false otherwise.