Skip to content
Moonbridge

Install

Website | Twitter | Discord | Explorer

Public Endpoints | Genesis | Addrbook

https://babylon-test.rpc.moonbridge.team
Chain ID: bbn-test-3 | Latest Version: v0.8.3 | Custom Port: 128
Specify the name of your “MONIKER” (validator) which will be visible in the explorer
MONIKER="YOUR_MONIKER_NAME"

Update system and install tools

sudo apt update && sudo apt upgrade -y
sudo apt install curl build-essential git jq lz4 ncdu bashtop -y

Install GO

cd $HOME
version="1.21.5"
wget "https://golang.org/dl/go$version.linux-amd64.tar.gz"
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "go$version.linux-amd64.tar.gz"
rm "go$version.linux-amd64.tar.gz"
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile

Install Cosmovisor

go install cosmossdk.io/tools/cosmovisor/cmd/cosmovisor@v1.5.0

Download and install

cd $HOME
git clone https://github.com/babylonchain/babylon.git
cd babylon
git checkout v0.8.3
make install
babylond version --long | grep -e commit -e version

Config and Init node

# Set node configuration
babylond config chain-id bbn-test-3
babylond config keyring-backend test
babylond config node tcp://localhost:12857


# Initialize node
babylond init $MONIKER --chain-id bbn-test-3


# Download genesis and addrbook
curl -Ls https://snapshots.moonbridge.team/testnet/babylon/genesis.json > $HOME/.babylond/config/genesis.json
curl -Ls https://snapshots.moonbridge.team/testnet/babylon/addrbook.json > $HOME/.babylond/config/addrbook.json


# Set seeds and peers
SEEDS="49b4685f16670e784a0fe78f37cd37d56c7aff0e@3.14.89.82:26656,9cb1974618ddd541c9a4f4562b842b96ffaf1446@3.16.63.237:26656"
PEERS=""
sed -i -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.babylond/config/config.toml


sed -i -e "s|^network *=.*|network = \"signet\"|" $HOME/.babylond/config/app.toml


# Setting minimum gas price
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0.00001ubbn\"|" $HOME/.babylond/config/app.toml


# Setting pruning
sed -i -e 's|^pruning *=.*|pruning = "custom"|' $HOME/.babylond/config/app.toml
sed -i -e 's|^pruning-keep-recent  *=.*|pruning-keep-recent = "100"|' $HOME/.babylond/config/app.toml
sed -i -e 's|^pruning-keep-every *=.*|pruning-keep-every = "0"|' $HOME/.babylond/config/app.toml
sed -i -e 's|^pruning-interval *=.*|pruning-interval = "10"|' $HOME/.babylond/config/app.toml


# Disable indexer
sed -i -e 's|^indexer *=.*|indexer = "null"|' $HOME/.babylond/config/config.toml


# Enable Prometheus
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.babylond/config/config.toml


# Setting custom ports
sed -i -e "s%^proxy_app = \"tcp://127.0.0.1:26658\"%proxy_app = \"tcp://127.0.0.1:12858\"%; s%^laddr = \"tcp://127.0.0.1:26657\"%laddr = \"tcp://0.0.0.0:12857\"%; s%^pprof_laddr = \"localhost:6060\"%pprof_laddr = \"localhost:12860\"%; s%^laddr = \"tcp://0.0.0.0:26656\"%laddr = \"tcp://0.0.0.0:12856\"%; s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):12856\"%; s%^prometheus_listen_addr = \":26660\"%prometheus_listen_addr = \":12866\"%" $HOME/.babylond/config/config.toml
sed -i -e "s%:1317%:12817%g; s%:8080%:12880%g; s%:9090%:12890%g; s%:9091%:12891%g; s%:8545%:12845%g; s%:8546%:12846%g; s%:6065%:12865%g" $HOME/.babylond/config/app.toml

Configure Cosmovisor

mkdir -p $HOME/.babylond/cosmovisor/genesis/bin
mkdir -p $HOME/.babylond/cosmovisor/upgrades
cp $HOME/go/bin/babylond $HOME/.babylond/cosmovisor/genesis/bin/

Create service

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


[Service]
User=$USER
ExecStart=$(which cosmovisor) run start
Restart=always
RestartSec=5
LimitNOFILE=65535
Environment="DAEMON_NAME=babylond"
Environment="DAEMON_HOME=$HOME/.babylond"
Environment="UNSAFE_SKIP_BACKUP=true"
Environment="DAEMON_ALLOW_DOWNLOAD_BINARIES=false"
Environment="DAEMON_RESTART_AFTER_UPGRADE=true"


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

Download latest snapshot

curl -o - -L https://snapshots.moonbridge.team/testnet/babylon/snapshot_latest.tar.lz4 | lz4 -dc - | tar -x -C $HOME/.babylond
[[ -f $HOME/.babylond/data/upgrade-info.json ]] && cp $HOME/.babylond/data/upgrade-info.json $HOME/.babylond/cosmovisor/genesis/upgrade-info.json

Start service and check the logs

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

Create wallet

babylond keys add wallet

Check wallet balance

babylond q bank balances $(babylond keys show wallet -a)

Create a BLS key

babylond create-bls-key $(babylond keys show wallet -a)

Restart node

sudo systemctl restart babylond

Modify config

sed -i -e "s|^timeout_commit *=.*|timeout_commit = \"30s\"|" $HOME/.babylond/config/config.toml

Create a validator.json file with the following content

{
  "pubkey": {"@type":"/cosmos.crypto.ed25519.PubKey","key":"BnbwFpeONLqvWqJb3qaUbL5aoIcW3fSuAp9nT3z5f20="},
  "amount": "1000000ubbn",
  "moniker": "YOUR_MONIKER_NAME",
  "identity": "YOUR_KEYBASE_ID",
  "details": "YOUR_DETAILS",
  "website": "YOUR_WEBSITE_URL",
  "security": "YOUR_EMAIL_ADDRESS",
  "commission-rate": "0.10",
  "commission-max-rate": "0.20",
  "commission-max-change-rate": "0.01",
  "min-self-delegation": "1"
}

Get pubkey

babylond tendermint show-validator

Create validator

babylond tx checkpointing create-validator /path/to/validator.json \
  --chain-id bbn-test-3 \
  --from wallet \
  --gas-adjustment 1.4 \
  --gas auto \
  --gas-prices 0.00001ubbn \
  -y

Delete node

sudo systemctl stop babylond
sudo systemctl disable babylond
sudo rm -rf /etc/systemd/system/babylond.service
sudo systemctl daemon-reload
sudo rm -f $(which babylond)
sudo rm -rf $HOME/.babylond
sudo rm -rf $HOME/babylon