Function setup_command_usage

lightningd/jsonrpc.c:1321–1335

Built-in commands get called to construct usage string via param() */

/* Built-in commands get called to construct usage string via param() */
static void setup_command_usage(struct lightningd *ld,
				struct json_command *command)
{
	const struct command_result *res;
	struct command *dummy;

	/* Call it with minimal cmd, to fill out usagemap */
	dummy = tal(tmpctx, struct command);
	dummy->mode = CMD_USAGE;
	dummy->ld = ld;
	dummy->json_cmd = command;
	res = command->dispatch(dummy, NULL, NULL, NULL);
	assert(res == &param_failed);
	assert(strmap_get(&ld->jsonrpc->cmdmap, command->name)->usage);
}

bool jsonrpc_command_add(struct jsonrpc *rpc, struct json_command *command,
			 const char *usage TAKES)