@lodestar/prover/lib/cli/cli.js

A Typescript implementation of the Ethereum Consensus light client

import { registerCommandToYargs } from "@lodestar/utils";
// Must not use `* as yargs`, see https://github.com/yargs/yargs/issues/1131
import yargs from "yargs";
import { hideBin } from "yargs/helpers";
import { getVersionData } from "../utils/version.js";
import { cmds, proverProxyStartCommand } from "./cmds/index.js";
import { globalOptions } from "./options.js";
const { version } = getVersionData();
const topBanner = `🌟 Lodestar Prover Proxy: Ethereum RPC proxy for RPC responses, verified against the trusted block hashes.
  * Version: ${version}
  * by ChainSafe Systems, 2018-${new Date().getFullYear()}`;
const bottomBanner = `📖 For more information, check the CLI reference:
  * https://chainsafe.github.io/lodestar/reference/cli

✍️ Give feedback and report issues on GitHub:
  * https://github.com/ChainSafe/lodestar`;
export const yarg = yargs(hideBin(process.argv));
/**
 * Common factory for running the CLI and running integration tests
 * The CLI must actually be executed in a different script
 */
export function getLodestarProverCli() {
    const prover = yarg
        .env("LODESTAR")
        .parserConfiguration({
        // As of yargs v16.1.0 dot-notation breaks strictOptions()
        // Manually processing options is typesafe tho more verbose
        "dot-notation": false,
    })
        .options(globalOptions)
        // blank scriptName so that help text doesn't display the cli name before each command
        .scriptName("")
        .demandCommand(1)
        // Control show help behaviour below on .fail()
        .showHelpOnFail(false)
        .usage(topBanner)
        .epilogue(bottomBanner)
        .version(topBanner)
        .alias("h", "help")
        .alias("v", "version")
        .recommendCommands();
    // yargs.command and all ./cmds
    for (const cmd of cmds) {
        registerCommandToYargs(prover, cmd);
    }
    // Register the proxy command as the default one
    registerCommandToYargs(prover, { ...proverProxyStartCommand, command: "*" });
    // throw an error if we see an unrecognized cmd
    prover.recommendCommands().strict();
    return prover;
}
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