Fresh Erigon install (includes Go installation)

installErigon.sh

# modified from https://gist.github.com/quickchase/c3d0c53213b16af6b9e4c509eb94fc4b
# 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 

# Open Erigon ports - ufw installed with Lighthouse
ufw allow 30303 # peering
ufw allow 42069 # Snap Sync (Bittorrent)
echo "y" | ufw enable

# Install Go
VERSION='1.21.3'
wget https://golang.org/dl/go${VERSION}.linux-amd64.tar.gz
rm -rf /usr/local/go
tar -C /usr/local -xzf go${VERSION}.linux-amd64.tar.gz
ln -s /usr/local/go/bin/go /usr/local/bin/go
rm go${VERSION}.linux-amd64.tar.gz

# Username to install under
USERNAME=eth

# Clone Erigon
cd /home/${USERNAME}/
sudo -u ${USERNAME} mkdir github
cd github/
sudo -u ${USERNAME} git clone https://github.com/ledgerwatch/erigon.git
cd erigon/

# Checkout version we want to build
sudo -u ${USERNAME} git checkout v2022.08.01

# Build it
sudo -u ${USERNAME} make

# Copy binary to /usr/local/bin
cp build/bin/erigon /usr/local/bin/

# Generate systemd service file
cat << EOF > /etc/systemd/system/erigon.service
[Unit]
Description=erigon
[Service]
WorkingDirectory=/home/${USERNAME}
ExecStart=/usr/local/bin/erigon \\
    --datadir="/home/${USERNAME}/datadir" \\
    --chain="mainnet" \\
    --snapshots="true" \\
    --authrpc.jwtsecret="/home/${USERNAME}/jwtsecret" \\
    --http \\
    --http.addr="0.0.0.0" \\
    --http.compression \\
    --http.vhosts="*" \\
    --http.corsdomain="*" \\
    --http.api="eth,admin,debug,net,trace,web3,erigon" \\
    --ws \\
    --ws.compression \\
    --rpc.gascap="600000000"
User=${USERNAME}
Group=${USERNAME}
RestartKillSignal=SIGINT
Restart=always
LimitNOFILE=1000000
[Install]
WantedBy=multi-user.target
EOF

# Enable and start Erigon service
systemctl enable erigon.service
systemctl start erigon.service

# Use this command to tail the logs
# journalctl -fu erigon