Function main

devtools/create-gossipstore.c:94–251

}

int main(int argc, char *argv[])
{
	u8 version;
	beint16_t be_inlen;
	struct amount_sat sat;
	bool verbose = false;
	char *infile = NULL, *outfile = NULL, *csvfile = NULL, *csat = NULL;
	int infd, outfd, scidi = 0, channels = 0, nodes = 0, updates = 0;
	struct scidsat *scidsats = NULL;
	const u8 *last_announce = NULL;
	unsigned max = -1U;

	setup_locale();

	opt_register_noarg("--verbose|-v", opt_set_bool, &verbose,
			   "Print progress to stderr");
	opt_register_arg("--output|-o", opt_set_charp, NULL, &outfile,
			 "Send output to this file instead of stdout");
	opt_register_arg("--input|-i", opt_set_charp, NULL, &infile,
			 "Read input from this file instead of stdin");
	opt_register_arg("--csv", opt_set_charp, NULL, &csvfile,
			 "Input for 'scid, satshis' csv");
	opt_register_arg("--sat", opt_set_charp, NULL, &csat,
			 "default satoshi value if --csv flag not present");
	opt_register_arg("--max", opt_set_uintval, opt_show_uintval, &max,
			 "maximum number of messages to read");
	opt_register_noarg("--help|-h", opt_usage_and_exit,
			   "Create gossip store, from be16 / input messages",
			   "Print this message.");

	opt_parse(&argc, argv, opt_log_stderr_exit);


        if (csvfile && !csat) {
       	        FILE *scidf;
		scidf = fopen(csvfile, "r");
		if (!scidf)
			err(1, "opening %s", csvfile);
                scidsats = load_csv_file(scidf);
	        fclose(scidf);
	} else if (csat && !csvfile) {
		if (!parse_amount_sat(&sat, csat, strlen(csat))) {
		        errx(1, "Invalid satoshi amount %s", csat);
		}
	}
	else {
		err(1, "must contain either --sat xor --csv");
	}

	if (infile) {
		infd = open(infile, O_RDONLY);
		if (infd < 0)
			err(1, "opening %s", infile);
	}
	else
		infd = STDIN_FILENO;

	if (outfile) {