Babylon Chain Validator Tools & Infrastructure Documentation

Setting up your validator node has never been so easy. Get your validator running in minutes by following step by step instructions.

#Setup validator name

MONIKER="YOUR_MONIKER_GOES_HERE"
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#Install dependencies

#Update system and install build tools

sudo apt -q update
sudo apt -qy install curl git jq lz4 build-essential
sudo apt -qy upgrade
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#Install Go

sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.19.8.linux-amd64.tar.gz | sudo tar -xzf - -C /usr/local
eval $(echo 'export PATH=$PATH:/usr/local/go/bin' | sudo tee /etc/profile.d/golang.sh)
eval $(echo 'export PATH=$PATH:$HOME/go/bin' | tee -a $HOME/.profile)
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#Download and build binaries

# Clone project repository
cd $HOME
rm -rf babylon
git clone https://github.com/babylonlabs-io/babylon.git babylon
cd babylon
git checkout v1.0.0-rc.3

# Build binaries
make install

# Prepare binaries for Cosmovisor
mkdir -p $HOME/.babylond/cosmovisor/genesis/bin
mv ~/go/bin/babylond $HOME/.babylond/cosmovisor/genesis/bin/
rm -rf build
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#Install Cosmovisor and create a service

# Download and install Cosmovisor
go install cosmossdk.io/tools/cosmovisor/cmd/[email protected]

# Create service
sudo tee /etc/systemd/system/babylond.service > /dev/null << EOF
[Unit]
Description=osmosis node service
After=network-online.target

[Service]
User=$USER
ExecStart=$(which cosmovisor) run start
WorkingDirectory=$HOME/.babylond
Restart=always
RestartSec=5
LimitNOFILE=65535
Environment="DAEMON_HOME=$HOME/.babylond"
Environment="DAEMON_NAME=babylond"
Environment="DAEMON_ALLOW_DOWNLOAD_BINARIES=false"
Environment="DAEMON_RESTART_AFTER_UPGRADE=true"
Environment="UNSAFE_SKIP_BACKUP=true"
Environment="PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:$HOME/.babylond/cosmovisor/current/bin"

[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable babylond
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#Initialize the node

# Set node configuration
babylond config chain-id bbn-test-5
babylond config node tcp://localhost:20657

# Initialize the node
babylond init $MONIKER --chain-id bbn-test-5

# Download genesis and addrbook
curl -Ls https://raw.githubusercontent.com/babylonlabs-io/networks/refs/heads/main/bbn-test-5/network-artifacts/genesis.json > $HOME/.babylond/config/genesis.json
curl -Ls https://snapshots.lavenderfive.com/testnet-snapshots/babylon/addrbook.json > $HOME/.babylond/config/addrbook.json

# Add seeds
seeds="[email protected]:26656,[email protected]:26656"
sed -i -e "s|^seeds *=.*|seeds = \"$seeds\"|" $HOME/.babylond/config/config.toml

# Set pruning
sed -i \
  -e 's|^pruning *=.*|pruning = "custom"|' \
  -e 's|^pruning-keep-recent *=.*|pruning-keep-recent = "100"|' \
  -e 's|^pruning-keep-every *=.*|pruning-keep-every = "0"|' \
  -e 's|^pruning-interval *=.*|pruning-interval = "19"|' \
  $HOME/.babylond/config/app.toml

# Set custom ports
sed -i -e "s%^proxy_app = \"tcp://127.0.0.1:26658\"%proxy_app = \"tcp://127.0.0.1:20658\"%; s%^laddr = \"tcp://127.0.0.1:26657\"%laddr = \"tcp://127.0.0.1:20657\"%; s%^pprof_laddr = \"localhost:6060\"%pprof_laddr = \"localhost:20660\"%; s%^laddr = \"tcp://0.0.0.0:26656\"%laddr = \"tcp://0.0.0.0:20656\"%; s%^prometheus_listen_addr = \":26660\"%prometheus_listen_addr = \":20666\"%" $HOME/.babylond/config/config.toml
sed -i -e "s%^address = \"tcp://0.0.0.0:1317\"%address = \"tcp://0.0.0.0:20617\"%; s%^address = \":8080\"%address = \":20680\"%; s%^address = \"0.0.0.0:9090\"%address = \"0.0.0.0:20690\"%; s%^address = \"0.0.0.0:9091\"%address = \"0.0.0.0:20691\"%; s%:8545%:20645%; s%:8546%:20646%; s%:6065%:20665%" $HOME/.babylond/config/app.toml
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#Start service and check the logs

sudo systemctl start babylond && sudo journalctl -u babylond -f --no-hostname -o cat
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#Sync

To catch up quickly, you can either use a snapshot or state sync