Function AppInitRPC

src/bitcoin-cli.cpp:126–171

This function returns either one of EXIT_ codes when it's expected to stop the process or CONTINUE_EXECUTION when it's expected to continue further.

// CONTINUE_EXECUTION when it's expected to continue further.
//
static int AppInitRPC(int argc, char* argv[])
{
    SetupCliArgs(gArgs);
    std::string error;
    if (!gArgs.ParseParameters(argc, argv, error)) {
        tfm::format(std::cerr, "Error parsing command line arguments: %s\n", error);
        return EXIT_FAILURE;
    }
    if (argc < 2 || HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
        std::string strUsage = PACKAGE_NAME " RPC client version " + FormatFullVersion() + "\n";

        if (gArgs.IsArgSet("-version")) {
            strUsage += FormatParagraph(LicenseInfo());
        } else {
            strUsage += "\n"
                "Usage:  elements-cli [options] <command> [params]  Send command to " PACKAGE_NAME "\n"
                "or:     elements-cli [options] -named <command> [name=value]...  Send command to " PACKAGE_NAME " (with named arguments)\n"
                "or:     elements-cli [options] help                List commands\n"
                "or:     elements-cli [options] help <command>      Get help for a command\n";
            strUsage += "\n" + gArgs.GetHelpMessage();
        }

        tfm::format(std::cout, "%s", strUsage);
        if (argc < 2) {
            tfm::format(std::cerr, "Error: too few parameters\n");
            return EXIT_FAILURE;
        }
        return EXIT_SUCCESS;
    }
    if (!CheckDataDirOption()) {
        tfm::format(std::cerr, "Error: Specified data directory \"%s\" does not exist.\n", gArgs.GetArg("-datadir", ""));
        return EXIT_FAILURE;
    }
    if (!gArgs.ReadConfigFiles(error, true)) {
        tfm::format(std::cerr, "Error reading configuration file: %s\n", error);
        return EXIT_FAILURE;
    }
    // Check for chain settings (BaseParams() calls are only valid after this clause)
    try {
        SelectBaseParams(gArgs.GetChainName());
    } catch (const std::exception& e) {
        tfm::format(std::cerr, "Error: %s\n", e.what());
        return EXIT_FAILURE;
    }
    return CONTINUE_EXECUTION;
}


/** Reply structure for request_done to fill in */