use clap::{App, Arg};

pub fn cli_app<'a, 'b>() -> App<'a, 'b> {
    App::new("beacon_node")
        .visible_aliases(&["b", "bn", "beacon"])
        .version(crate_version!())
        .author("Sigma Prime <contact@sigmaprime.io>")
        .setting(clap::AppSettings::ColoredHelp)
        .about("The primary component which connects to the Ethereum 2.0 P2P network and \
                downloads, verifies and stores blocks. Provides a HTTP API for querying \
                the beacon chain and publishing messages to the network.")
        /*
         * Configuration directory locations.
         */
        .arg(
            Arg::with_name("network-dir")
                .long("network-dir")
                .value_name("DIR")
                .help("Data directory for network keys. Defaults to network/ inside the beacon node \
                       dir.")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("freezer-dir")
                .long("freezer-dir")
                .value_name("DIR")
                .help("Data directory for the freezer database.")
                .takes_value(true)
        )
        /*
         * Network parameters.
         */
        .arg(
            Arg::with_name("subscribe-all-subnets")
                .long("subscribe-all-subnets")
                .help("Subscribe to all subnets regardless of validator count. \
                       This will also advertise the beacon node as being long-lived subscribed to all subnets.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("import-all-attestations")
                .long("import-all-attestations")
                .help("Import and aggregate all attestations, regardless of validator subscriptions. \
                       This will only import attestations from already-subscribed subnets, use with \
                       --subscribe-all-subnets to ensure all attestations are received for import.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("disable-packet-filter")
                .long("disable-packet-filter")
                .help("Disables the discovery packet filter. Useful for testing in smaller networks")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("shutdown-after-sync")
                .long("shutdown-after-sync")
                .help("Shutdown beacon node as soon as sync is completed. Backfill sync will \
                       not be performed before shutdown.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("zero-ports")
                .long("zero-ports")
                .short("z")
                .help("Sets all listening TCP/UDP ports to 0, allowing the OS to choose some \
                       arbitrary free ports.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("listen-address")
                .long("listen-address")
                .value_name("ADDRESS")
                .help("The address lighthouse will listen for UDP and TCP connections.")
                .default_value("0.0.0.0")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("port")
                .long("port")
                .value_name("PORT")
                .help("The TCP/UDP port to listen on. The UDP port can be modified by the --discovery-port flag.")
                .default_value("9000")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("discovery-port")
                .long("discovery-port")
                .value_name("PORT")
                .help("The UDP port that discovery will listen on. Defaults to `port`")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("target-peers")
                .long("target-peers")
                .help("The target number of peers.")
                .default_value("80")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("boot-nodes")
                .long("boot-nodes")
                .allow_hyphen_values(true)
                .value_name("ENR/MULTIADDR LIST")
                .help("One or more comma-delimited base64-encoded ENR's to bootstrap the p2p network. Multiaddr is also supported.")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("network-load")
                .long("network-load")
                .value_name("INTEGER")
                .help("Lighthouse's network can be tuned for bandwidth/performance. Setting this to a high value, will increase the bandwidth lighthouse uses, increasing the likelihood of redundant information in exchange for faster communication. This can increase profit of validators marginally by receiving messages faster on the network. Lower values decrease bandwidth usage, but makes communication slower which can lead to validator performance reduction. Values are in the range [1,5].")
                .default_value("3")
                .set(clap::ArgSettings::Hidden)
                .takes_value(true),
        )
        .arg(
            Arg::with_name("disable-upnp")
                .long("disable-upnp")
                .help("Disables UPnP support. Setting this will prevent Lighthouse from attempting to automatically establish external port mappings.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("private")
                .long("private")
                .help("Prevents sending various client identification information.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("enr-udp-port")
                .long("enr-udp-port")
                .value_name("PORT")
                .help("The UDP port of the local ENR. Set this only if you are sure other nodes can connect to your local node on this port.")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("enr-tcp-port")
                .long("enr-tcp-port")
                .value_name("PORT")
                .help("The TCP port of the local ENR. Set this only if you are sure other nodes can connect to your local node on this port.\
                    The --port flag is used if this is not set.")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("enr-address")
                .long("enr-address")
                .value_name("ADDRESS")
                .help("The IP address/ DNS address to broadcast to other peers on how to reach this node. \
                If a DNS address is provided, the enr-address is set to the IP address it resolves to and \
                does not auto-update based on PONG responses in discovery. \
                Set this only if you are sure other nodes can connect to your local node on this address. \
                Discovery will automatically find your external address, if possible.")
                .requires("enr-udp-port")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("enr-match")
                .short("e")
                .long("enr-match")
                .help("Sets the local ENR IP address and port to match those set for lighthouse. \
                Specifically, the IP address will be the value of --listen-address and the UDP port will be --discovery-port.")
        )
        .arg(
            Arg::with_name("disable-enr-auto-update")
                .short("x")
                .long("disable-enr-auto-update")
                .help("Discovery automatically updates the nodes local ENR with an external IP address and port as seen by other peers on the network. \
                This disables this feature, fixing the ENR's IP/PORT to those specified on boot."),
        )
        .arg(
            Arg::with_name("libp2p-addresses")
                .long("libp2p-addresses")
                .value_name("MULTIADDR")
                .help("One or more comma-delimited multiaddrs to manually connect to a libp2p peer \
                       without an ENR.")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("disable-discovery")
                .long("disable-discovery")
                .help("Disables the discv5 discovery protocol. The node will not search for new peers or participate in the discovery protocol.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("trusted-peers")
                .long("trusted-peers")
                .value_name("TRUSTED_PEERS")
                .help("One or more comma-delimited trusted peer ids which always have the highest score according to the peer scoring system.")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("enable-private-discovery")
                .long("enable-private-discovery")
                .help("Lighthouse by default does not discover private IP addresses. Set this flag to enable connection attempts to local addresses.")
                .takes_value(false),
        )
        /* REST API related arguments */
        .arg(
            Arg::with_name("http")
                .long("http")
                .help("Enable the RESTful HTTP API server. Disabled by default.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("http-address")
                .long("http-address")
                .value_name("ADDRESS")
                .help("Set the listen address for the RESTful HTTP API server.")
                .default_value("127.0.0.1")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("http-port")
                .long("http-port")
                .value_name("PORT")
                .help("Set the listen TCP port for the RESTful HTTP API server.")
                .default_value("5052")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("http-allow-origin")
                .long("http-allow-origin")
                .value_name("ORIGIN")
                .help("Set the value of the Access-Control-Allow-Origin response HTTP header. \
                    Use * to allow any origin (not recommended in production). \
                    If no value is supplied, the CORS allowed origin is set to the listen \
                    address of this server (e.g., http://localhost:5052).")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("http-disable-legacy-spec")
                .long("http-disable-legacy-spec")
                .help("Disable serving of legacy data on the /config/spec endpoint. May be \
                       disabled by default in a future release.")
        )
        .arg(
            Arg::with_name("http-enable-tls")
                .long("http-enable-tls")
                .help("Serves the RESTful HTTP API server over TLS. This feature is currently \
                    experimental.")
                .takes_value(false)
                .requires("http-tls-cert")
                .requires("http-tls-key")
        )
        .arg(
            Arg::with_name("http-tls-cert")
                .long("http-tls-cert")
                .help("The path of the certificate to be used when serving the HTTP API server \
                    over TLS.")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("http-tls-key")
                .long("http-tls-key")
                .help("The path of the private key to be used when serving the HTTP API server \
                    over TLS. Must not be password-protected.")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("http-allow-sync-stalled")
                .long("http-allow-sync-stalled")
                .help("Forces the HTTP to indicate that the node is synced when sync is actually \
                    stalled. This is useful for very small testnets. TESTING ONLY. DO NOT USE ON \
                    MAINNET.")
        )
        /* Prometheus metrics HTTP server related arguments */
        .arg(
            Arg::with_name("metrics")
                .long("metrics")
                .help("Enable the Prometheus metrics HTTP server. Disabled by default.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("metrics-address")
                .long("metrics-address")
                .value_name("ADDRESS")
                .help("Set the listen address for the Prometheus metrics HTTP server.")
                .default_value("127.0.0.1")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("metrics-port")
                .long("metrics-port")
                .value_name("PORT")
                .help("Set the listen TCP port for the Prometheus metrics HTTP server.")
                .default_value("5054")
                .takes_value(true),
        )
        .arg(
            Arg::with_name("metrics-allow-origin")
                .long("metrics-allow-origin")
                .value_name("ORIGIN")
                .help("Set the value of the Access-Control-Allow-Origin response HTTP header. \
                    Use * to allow any origin (not recommended in production). \
                    If no value is supplied, the CORS allowed origin is set to the listen \
                    address of this server (e.g., http://localhost:5054).")
                .takes_value(true),
        )

        /*
         * Monitoring metrics
         */

        .arg(
            Arg::with_name("monitoring-endpoint")
                .long("monitoring-endpoint")
                .value_name("ADDRESS")
                .help("Enables the monitoring service for sending system metrics to a remote endpoint. \
                This can be used to monitor your setup on certain services (e.g. beaconcha.in). \
                This flag sets the endpoint where the beacon node metrics will be sent. \
                Note: This will send information to a remote sever which may identify and associate your \
                validators, IP address and other personal information. Always use a HTTPS connection \
                and never provide an untrusted URL.")
                .takes_value(true),
        )

        /*
         * Standard staking flags
         */

        .arg(
            Arg::with_name("staking")
                .long("staking")
                .help("Standard option for a staking beacon node. Equivalent to \
                `lighthouse bn --http --eth1 `. This will enable the http server on localhost:5052 \
                and try connecting to an eth1 node on localhost:8545")
                .takes_value(false)
        )

        /*
         * Eth1 Integration
         */
        .arg(
            Arg::with_name("eth1")
                .long("eth1")
                .help("If present the node will connect to an eth1 node. This is required for \
                       block production, you must use this flag if you wish to serve a validator.")
                .takes_value(false),
        )
        .arg(
            Arg::with_name("dummy-eth1")
                .long("dummy-eth1")
                .conflicts_with("eth1")
                .help("If present, uses an eth1 backend that generates static dummy data.\
                      Identical to the method used at the 2019 Canada interop.")
        )
        .arg(
            Arg::with_name("eth1-endpoint")
                .long("eth1-endpoint")
                .value_name("HTTP-ENDPOINT")
                .help("Deprecated. Use --eth1-endpoints.")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("eth1-endpoints")
                .long("eth1-endpoints")
                .value_name("HTTP-ENDPOINTS")
                .conflicts_with("eth1-endpoint")
                .help("One or more comma-delimited server endpoints for web3 connection. \
                       If multiple endpoints are given the endpoints are used as fallback in the \
                       given order. Also enables the --eth1 flag. \
                       Defaults to http://127.0.0.1:8545.")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("eth1-purge-cache")
                .long("eth1-purge-cache")
                .value_name("PURGE-CACHE")
                .help("Purges the eth1 block and deposit caches")
                .takes_value(false)
        )
        .arg(
            Arg::with_name("eth1-blocks-per-log-query")
                .long("eth1-blocks-per-log-query")
                .value_name("BLOCKS")
                .help("Specifies the number of blocks that a deposit log query should span. \
                    This will reduce the size of responses from the Eth1 endpoint.")
                .default_value("1000")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("eth1-cache-follow-distance")
                .long("eth1-cache-follow-distance")
                .value_name("BLOCKS")
                .help("Specifies the distance between the Eth1 chain head and the last block which \
                       should be imported into the cache. Setting this value lower can help \
                       compensate for irregular Proof-of-Work block times, but setting it too low \
                       can make the node vulnerable to re-orgs.")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slots-per-restore-point")
                .long("slots-per-restore-point")
                .value_name("SLOT_COUNT")
                .help("Specifies how often a freezer DB restore point should be stored. \
                       Cannot be changed after initialization. \
                       [default: 8192 (mainnet) or 64 (minimal)]")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("block-cache-size")
                .long("block-cache-size")
                .value_name("SIZE")
                .help("Specifies how many blocks the database should cache in memory [default: 5]")
                .takes_value(true)
        )
        /*
         * Execution Layer Integration
         */
        .arg(
            Arg::with_name("merge")
                .long("merge")
                .help("Deprecated. The feature activates automatically when --execution-endpoint \
                    is supplied.")
                .takes_value(false)
        )
        .arg(
            Arg::with_name("execution-endpoint")
                .long("execution-endpoint")
                .value_name("EXECUTION-ENDPOINT")
                .alias("execution-endpoints")
                .help("Server endpoint for an execution layer jwt authenticated HTTP \
                       JSON-RPC connection. Uses the same endpoint to populate the \
                       deposit cache. Also enables the --merge flag.\
                       If not provided, uses the default value of http://127.0.0.1:8551")
                .takes_value(true)
                .requires("execution-jwt")
        )
        .arg(
            Arg::with_name("execution-jwt")
                .long("execution-jwt")
                .value_name("EXECUTION-JWT")
                .alias("jwt-secrets")
                .help("File path which contains the hex-encoded JWT secret for the \
                       execution endpoint provided in the --execution-endpoint flag.")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("execution-jwt-id")
                .long("execution-jwt-id")
                .value_name("EXECUTION-JWT-ID")
                .alias("jwt-id")
                .help("Used by the beacon node to communicate a unique identifier to execution nodes \
                       during JWT authentication. It corresponds to the 'id' field in the JWT claims object.\
                       Set to empty by default")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("execution-jwt-version")
                .long("execution-jwt-version")
                .value_name("EXECUTION-JWT-VERSION")
                .alias("jwt-version")
                .help("Used by the beacon node to communicate a client version to execution nodes \
                       during JWT authentication. It corresponds to the 'clv' field in the JWT claims object.\
                       Set to empty by default")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("suggested-fee-recipient")
                .long("suggested-fee-recipient")
                .value_name("SUGGESTED-FEE-RECIPIENT")
                .help("Once the merge has happened, this address will receive transaction fees \
                       collected from any blocks produced by this node. Defaults to a junk \
                       address whilst the merge is in development stages. THE DEFAULT VALUE \
                       WILL BE REMOVED BEFORE THE MERGE ENTERS PRODUCTION")
                .requires("execution-endpoint")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("builder")
                .long("builder")
                .alias("payload-builder")
                .alias("payload-builders")
                .help("The URL of a service compatible with the MEV-boost API.")
                .requires("execution-endpoint")
                .takes_value(true)
        )

        /*
         * Database purging and compaction.
         */
        .arg(
            Arg::with_name("purge-db")
                .long("purge-db")
                .help("If present, the chain database will be deleted. Use with caution.")
        )
        .arg(
            Arg::with_name("compact-db")
                .long("compact-db")
                .help("If present, apply compaction to the database on start-up. Use with caution. \
                       It is generally not recommended unless auto-compaction is disabled.")
        )
        .arg(
            Arg::with_name("auto-compact-db")
                .long("auto-compact-db")
                .help("Enable or disable automatic compaction of the database on finalization.")
                .takes_value(true)
                .default_value("true")
        )

        /*
         * Misc.
         */
        .arg(
            Arg::with_name("graffiti")
                .long("graffiti")
                .help(
                    "Specify your custom graffiti to be included in blocks. \
                    Defaults to the current version and commit, truncated to fit in 32 bytes. "
                )
                .value_name("GRAFFITI")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("max-skip-slots")
                .long("max-skip-slots")
                .help(
                    "Refuse to skip more than this many slots when processing a block or attestation. \
                    This prevents nodes on minority forks from wasting our time and disk space, \
                    but could also cause unnecessary consensus failures, so is disabled by default."
                )
                .value_name("NUM_SLOTS")
                .takes_value(true)
        )
        /*
         * Slasher.
         */
        .arg(
            Arg::with_name("slasher")
                .long("slasher")
                .help(
                    "Run a slasher alongside the beacon node. It is currently only recommended for \
                     expert users because of the immaturity of the slasher UX and the extra \
                     resources required."
                )
                .takes_value(false)
        )
        .arg(
            Arg::with_name("slasher-dir")
                .long("slasher-dir")
                .help(
                    "Set the slasher's database directory."
                )
                .value_name("PATH")
                .takes_value(true)
                .requires("slasher")
        )
        .arg(
            Arg::with_name("slasher-update-period")
                .long("slasher-update-period")
                .help(
                    "Configure how often the slasher runs batch processing."
                )
                .value_name("SECONDS")
                .requires("slasher")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slasher-slot-offset")
                .long("slasher-slot-offset")
                .help(
                    "Set the delay from the start of the slot at which the slasher should ingest \
                     attestations. Only effective if the slasher-update-period is a multiple of the \
                     slot duration."
                )
                .value_name("SECONDS")
                .requires("slasher")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slasher-history-length")
                .long("slasher-history-length")
                .help(
                    "Configure how many epochs of history the slasher keeps. Immutable after \
                     initialization."
                )
                .value_name("EPOCHS")
                .requires("slasher")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slasher-max-db-size")
                .long("slasher-max-db-size")
                .help(
                    "Maximum size of the MDBX database used by the slasher."
                )
                .value_name("GIGABYTES")
                .requires("slasher")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slasher-att-cache-size")
                .long("slasher-att-cache-size")
                .help("Set the maximum number of attestation roots for the slasher to cache")
                .value_name("COUNT")
                .requires("slasher")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slasher-chunk-size")
                .long("slasher-chunk-size")
                .help(
                    "Number of epochs per validator per chunk stored on disk."
                )
                .value_name("EPOCHS")
                .requires("slasher")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slasher-validator-chunk-size")
                .long("slasher-validator-chunk-size")
                .help(
                    "Number of validators per chunk stored on disk."
                )
                .value_name("NUM_VALIDATORS")
                .requires("slasher")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("slasher-broadcast")
                .long("slasher-broadcast")
                .help("Broadcast slashings found by the slasher to the rest of the network \
                       [disabled by default].")
                .requires("slasher")
        )
        .arg(
            Arg::with_name("wss-checkpoint")
                .long("wss-checkpoint")
                .help(
                    "Specify a weak subjectivity checkpoint in `block_root:epoch` format to verify \
                     the node's sync against. The block root should be 0x-prefixed. Note that this \
                     flag is for verification only, to perform a checkpoint sync from a recent \
                     state use --checkpoint-sync-url."
                )
                .value_name("WSS_CHECKPOINT")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("checkpoint-state")
                .long("checkpoint-state")
                .help("Set a checkpoint state to start syncing from. Must be aligned and match \
                       --checkpoint-block. Using --checkpoint-sync-url instead is recommended.")
                .value_name("STATE_SSZ")
                .takes_value(true)
                .requires("checkpoint-block")
        )
        .arg(
            Arg::with_name("checkpoint-block")
                .long("checkpoint-block")
                .help("Set a checkpoint block to start syncing from. Must be aligned and match \
                       --checkpoint-state. Using --checkpoint-sync-url instead is recommended.")
                .value_name("BLOCK_SSZ")
                .takes_value(true)
                .requires("checkpoint-state")
        )
        .arg(
            Arg::with_name("checkpoint-sync-url")
                .long("checkpoint-sync-url")
                .help("Set the remote beacon node HTTP endpoint to use for checkpoint sync.")
                .value_name("BEACON_NODE")
                .takes_value(true)
                .conflicts_with("checkpoint-state")
        )
        .arg(
            Arg::with_name("reconstruct-historic-states")
                .long("reconstruct-historic-states")
                .help("After a checkpoint sync, reconstruct historic states in the database.")
                .takes_value(false)
        )
        .arg(
            Arg::with_name("validator-monitor-auto")
                .long("validator-monitor-auto")
                .help("Enables the automatic detection and monitoring of validators connected to the \
                    HTTP API and using the subnet subscription endpoint. This generally has the \
                    effect of providing additional logging and metrics for locally controlled \
                    validators.")
        )
        .arg(
            Arg::with_name("validator-monitor-pubkeys")
                .long("validator-monitor-pubkeys")
                .help("A comma-separated list of 0x-prefixed validator public keys. \
                        These validators will receive special monitoring and additional \
                        logging.")
                .value_name("PUBKEYS")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("validator-monitor-file")
                .long("validator-monitor-file")
                .help("As per --validator-monitor-pubkeys, but the comma-separated list is \
                    contained within a file at the given path.")
                .value_name("PATH")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("disable-lock-timeouts")
                .long("disable-lock-timeouts")
                .help("Disable the timeouts applied to some internal locks by default. This can \
                       lead to less spurious failures on slow hardware but is considered \
                       experimental as it may obscure performance issues.")
                .takes_value(false)
        )
        .arg(
            Arg::with_name("fork-choice-before-proposal-timeout")
                .long("fork-choice-before-proposal-timeout")
                .help("Set the maximum number of milliseconds to wait for fork choice before \
                       proposing a block. You can prevent waiting at all by setting the timeout \
                       to 0, however you risk proposing atop the wrong parent block.")
                .default_value("250")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("builder-fallback-skips")
                .long("builder-fallback-skips")
                .help("If this node is proposing a block and has seen this number of skip slots \
                        on the canonical chain in a row, it will NOT query any connected builders, \
                        and will use the local execution engine for payload construction.")
                .default_value("3")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("builder-fallback-skips-per-epoch")
                .long("builder-fallback-skips-per-epoch")
                .help("If this node is proposing a block and has seen this number of skip slots \
                        on the canonical chain in the past `SLOTS_PER_EPOCH`, it will NOT query \
                        any connected builders, and will use the local execution engine for \
                        payload construction.")
                .default_value("8")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("builder-fallback-epochs-since-finalization")
                .long("builder-fallback-epochs-since-finalization")
                .help("If this node is proposing a block and the chain has not finalized within \
                        this number of epochs, it will NOT query any connected builders, \
                        and will use the local execution engine for payload construction. Setting \
                        this value to anything less than 2 will cause the node to NEVER query \
                        connected builders. Setting it to 2 will cause this condition to be hit \
                        if there are skips slots at the start of an epoch, right before this node \
                        is set to propose.")
                .default_value("3")
                .takes_value(true)
        )
        .arg(
            Arg::with_name("builder-fallback-disable-checks")
                .long("builder-fallback-disable-checks")
                .help("This flag disables all checks related to chain health. This means the builder \
                        API will always be used for payload construction, regardless of recent chain \
                        conditions.")
                .takes_value(false)
        )
        .arg(
            Arg::with_name("count-unrealized")
                .long("count-unrealized")
                .hidden(true)
                .help("Enables an alternative, potentially more performant FFG \
                       vote tracking method.")
                .takes_value(true)
                .default_value("true")
        )
}