Mev-boost client guides and options

One-page interactive complete guide to configurate and operate Mev-boost client.

Disclaimer

This guide is for informational purposes only. The author nor website owner does not guarantee accuracy of the information in this guide and is not responsible for any damages or losses incurred by following the guide.

Individual guides

Install Mev-boost client Update Mev-boost client Emergency for Mev-boost client

Chains support

X Ethereum
X Gnosis

On-page actions for Mev-boost client

Mev-boost client can be used for staking on various supported chains. Client installation is always only one, used by services with an individual configuration (different service name, data path and ports in use).

Install Mev-boost client

  • Find the latest stable version at Github

    Write latest stable Mev-boost version from https://github.com/flashbots/mev-boost/releases:

  • Download Mev-boost version 1.8 from GitHub

    cd ~/downloads
curl -LO https://github.com/flashbots/mev-boost/releases/download/v1.8/mev-boost_1.8_linux_amd64.tar.gz

    Get hash of the downloaded file

    sha256sum mev-boost_1.8_linux_amd64.tar.gz

    And compare it to content of https://github.com/flashbots/mev-boost/releases/download/v1.8/checksums.txt.

  • Unpack mevboost

    tar xvf mev-boost_1.8_linux_amd64.tar.gz

    Remove downloaded + useless unpacked files

    rm LICENSE README.md mev-boost_1.8_linux_amd64.tar.gz

  • Copy mev-boost client to /usr/local/bin

    sudo cp ~/downloads/mev-boost /usr/local/bin

  • Create a system user and system service for running Mev-boost

    System user

    $ sudo useradd --system --no-create-home --shell /bin/false mevboost

    Open Systemd unit file for mevboost

    sudo nano /etc/systemd/system/mevboost.service

    And copy sample configuration below into it.

    [Unit]
Description=MEV-Boost Service for Ethereum Mainnet
Wants=network-online.target
After=network-online.target
Documentation=https://stakers.space/mev-boost

[Service]
User=mevboost
Group=mevboost
Type=simple
Restart=always
RestartSec=5
ExecStart=/usr/local/bin/mev-boost \
  -mainnet \
  -min-bid 0.03 \
  -relay-check \
  -addr 127.0.0.1:18550 \
  -relay https://0xac6e77dfe25ecd6110b8e780608cce0dab71fdd5ebea22a16c0205200f2f8e2e3ad3b71d3499c54ad14d6c21b41a37ae@boost-relay.flashbots.net \
  -relay https://0xa1559ace749633b997cb3fdacffb890aeebdb0f5a3b6aaa7eeeaf1a38af0a8fe88b9e4b1f61f236d2e64d95733327a62@relay.ultrasound.money \
  -relay https://0xa15b52576bcbf1072f4a011c0f99f9fb6c66f3e1ff321f11f461d15e31b1cb359caa092c71bbded0bae5b5ea401aab7e@aestus.live \
  -relay https://0x8b5d2e73e2a3a55c6c87b8b6eb92e0149a125c852751db1422fa951e42a09b82c142c3ea98d0d9930b056a3bc9896b8f@bloxroute.max-profit.blxrbdn.com \
  -relay https://0x8c7d33605ecef85403f8b7289c8058f440cbb6bf72b055dfe2f3e2c6695b6a1ea5a9cd0eb3a7982927a463feb4c3dae2@relay.wenmerge.com

[Install]
WantedBy=multi-user.target

    Note: Replace ralyes for your preferred rallyes from MEV relay list

    Mev-boost is not available for Gnosis chain

    Restart daemon

    sudo systemctl daemon-reload

  • Start Mev boost service

    sudo systemctl start mevboost

  • Monitor Mev-boost running

    systemctl status mevboost
    journalctl -fu mevboost.service

  • Set auto start of Mev boost service on system startup

    sudo systemctl enable mevboost

  • Link Beacon service to Mevboost client

    sudo nano /etc/systemd/system/consensus-beacon.service

    NOTE: Replace consensus-beacon for your beacon service name

    Extend its ExecStart for following flag: 
    --builder http://127.0.0.1:18550
    --validators-builder-registration-default-enabled=true \
--builder-endpoint=http://127.0.0.1:18550
    --builder \
--builder.urls http://127.0.0.1:18550
    --payload-builder=true \
--payload-builder-url=http://127.0.0.1:18550
    --http-mev-relay=http://127.0.0.1:18550
    Restart Daemon 
    sudo systemctl daemon-reload
    Restart the Beacon service 
    sudo systemctl restart consensus-beacon.service && systemctl status consensus-beacon.service
    Monitor the service 
    journalctl -f -u consensus-beacon.service
    • Restart the Beacon service 
      /usr/local/bin/staking.sh restart beacon && /usr/local/bin/staking.sh status beacon
    • Monitor the service 
      /usr/local/bin/staking.sh monitor beacon

  • Link each Validator service to Mevboost client

    sudo nano /etc/systemd/system/validator.service

    NOTE: Replace validator for your validator service name

    Extend its ExecStart for following flag: 
    --builder-proposals
    --validators-builder-registration-default-enabled=true
    --builder
    --payload-builder=true
    --enable-builder

    Restart Daemon

    sudo systemctl daemon-reload

    Restart the validator service(s)

    sudo systemctl restart validator.service && systemctl status validator.service

    Monitor the validator service(s)

    journalctl -f -u validator.service
    • Restart validator service(s) 
      /usr/local/bin/staking.sh restart validators && /usr/local/bin/staking.sh status validators
    • Monitor validator service(s) 
      /usr/local/bin/staking.sh monitor validators

Update Mev-boost client

Check current version: /usr/local/bin/mev-boost --version

  • Find the latest stable version at Github

    Write latest stable Mev-boost version from https://github.com/flashbots/mev-boost/releases:

  • Download Mev-boost version 1.8 from GitHub

    cd ~/downloads
curl -LO https://github.com/flashbots/mev-boost/releases/download/v1.8/mev-boost_1.8_linux_amd64.tar.gz

    Get hash of the downloaded file

    sha256sum mev-boost_1.8_linux_amd64.tar.gz

    And compare it to content of https://github.com/flashbots/mev-boost/releases/download/v1.8/checksums.txt.

  • Unpack mevboost

    tar xvf mev-boost_1.8_linux_amd64.tar.gz

    Remove downloaded + useless unpacked files

    rm LICENSE README.md mev-boost_1.8_linux_amd64.tar.gz

  • Stop mevboost client

    sudo systemctl stop mevboost

  • Rewrite original mev-boost client

    sudo cp ~/downloads/mev-boost /usr/local/bin

  • Start Mev boost service

    sudo systemctl start mevboost

  • Monitor Mev-boost running

    systemctl status mevboost
    journalctl -fu mevboost.service