Fresh Reth install (use after installLighthouse)

installReth.sh

# use at your own risk since I'm not very experienced at this

# ASSUMING YOU ARE ROOT

# This script assumes prior usage of the Lighthouse install script
# It assumes that you've already created the user and activated the firewall, etc.


# Install needed stuff and useful stuff
apt update && apt install -y git build-essential curl libclang-dev pkg-config

# Open Reth ports - ufw installed with Lighthouse
ufw allow 30303 #peering
echo "y" | ufw enable

# Username to install under
USERNAME=eth

# Install Rust as user
su ${USERNAME} << EOF
    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | 
        sh -s -- -y --default-toolchain stable

    source $HOME/.cargo/env
EOF

# Clone Reth
cd /home/${USERNAME}/
sudo -u ${USERNAME} mkdir github
cd github/
sudo -u ${USERNAME} git clone https://github.com/paradigmxyz/reth
cd reth/

# Install Reth directly into PATH
cargo install --locked --path /bin/reth --bin reth

# Move JWT secret to convenient location
mv /home/${USERNAME}/.local/share/reth/jwt.hex /home/${USERNAME}/jwtsecret/

cat << EOF > /etc/systemd/system/reth.service
[Unit]
Description=Reth Node
Documentation=https://paradigmxyz.github.io/reth/intro.html
After=network.target
[Service]
User=${USERNAME}
Group=${USERNAME}
WorkingDirectory=/home/${USERNAME}
Restart=on-failure
LimitNOFILE=1000000
ExecStart= /root/.cargo/bin/reth node \\
    --authrpc.jwtsecret  /home/${USERNAME}/jwtsecret/\\
    --authrpc.addr 127.0.0.1 \\
    --authrpc.port 8551 \\
    --datadir /home/${USERNAME}/datadir \\
    --chain mainnet \\
    --http \\
    --http.addr="0.0.0.0" \\
    --http.corsdomain="*" \\
    --http.api="eth,admin,debug,net,trace,web3,rpc,reth,ots,txpool" \\
    --ws \\
    --rpc.gascap="600000000"
[Install]
WantedBy=default.target
EOF

# Enable and start Reth service
systemctl enable reth.service
systemctl start reth.service