Function init

plugins/chanbackup.c:1115–1169

}

static const char *init(struct command *init_cmd,
			const char *buf UNUSED,
			const jsmntok_t *config UNUSED)
{
	struct chanbackup *cb = tal(init_cmd->plugin, struct chanbackup);
	struct modern_scb_chan **scb_chan;
	const char *info = "scb secret";
	u8 *info_hex = tal_dup_arr(tmpctx, u8, (u8*)info, strlen(info), 0);
	u8 *features;
	u8 *latestscb;

	/* Figure out if they specified --experimental-peer-storage */
	rpc_scan(init_cmd, "getinfo",
		 take(json_out_obj(NULL, NULL, NULL)),
		 "{our_features:{init:%}}",
		 JSON_SCAN_TAL(tmpctx, json_tok_bin_from_hex, &features));

	/* If we unset this feature, we don't even *send* peer backups */
	cb->handle_their_peer_backup
		= cb->send_our_peer_backup
		= feature_offered(features, OPT_PROVIDE_STORAGE);

	rpc_scan(init_cmd, "staticbackup",
		 take(json_out_obj(NULL, NULL, NULL)),
		 "{scb:%}", JSON_SCAN(json_to_scb_chan, &scb_chan));

	rpc_scan(init_cmd, "makesecret",
		 take(json_out_obj(NULL, "hex",
		 		   tal_hexstr(tmpctx,
				   	      info_hex,
					      tal_bytelen(info_hex)))),
		 "{secret:%}", JSON_SCAN(json_to_secret, &cb->secret));

	/* Caching timestamp of latestscb that we have stored. This
	 * would be useful for upgrading `chanbackup/latestscb`. */
	cb->latest_timestamp = 0;
	if (rpc_scan_datastore_hex(tmpctx, init_cmd,
			       mkdatastorekey(tmpctx, "chanbackup", "latestscb"),
			       JSON_SCAN_TAL(tmpctx, json_tok_bin_from_hex, &latestscb)) == NULL) {
		u64 version;
		struct modern_scb_chan **scb_tlvs;
		bool is_converted;
		read_static_chan_backup(init_cmd, latestscb, &version, &cb->latest_timestamp, &scb_tlvs, &is_converted);
	}

	setup_backup_map(init_cmd, cb);
	plugin_set_data(init_cmd->plugin, cb);
	plugin_log(init_cmd->plugin, LOG_DBG, "Chanbackup Initialised!");

	/* flush the tmp file, if exists */
	unlink_noerr("scb.tmp");

	maybe_create_new_scb(init_cmd->plugin, scb_chan);
	return NULL;
}

static const struct plugin_notification notifs[] = {
	{