Guide to running Babylon Node - Getting Set Up

Posted by Thanh Dat - 19/01/2024

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In this comprehensive article, you will find a step-by-step guide that walks you through the process of running a Babylon Node. Whether you're a beginner or an experienced user, this guide is designed to help you navigate the intricacies of setting up and running your Babylon Node with precision and ease. Follow along to ensure a smooth and successful experience as you embark on this essential aspect of managing your Babylon Node.

This article provides a step-by-step guide on how to properly run a Babylon Node. Let's follow CryptoViet Info for more!

Requirements

To run the Babylon node, you need to meet the following conditions:

4 vCPU Cores
8 GB RAM
50 GB NVMe or 200 GB SSD

Guide to running Babylon Node

There are two things to do, the first is to backup the old node data, the second is to run the command update version chain-test-bbn3.

Backup data old Node (For users already running the Babylon node following our previous instructions)

Preparations - Update Packages

sudo apt update && sudo apt upgrade -y

sudo apt -qy install curl git jq lz4 build-essential

Backup your keys

nano /root/.babylond/config/priv_validator_key.json

Note: Remember to save all the content here in a text file or notepad.

Update Babylon node Chain-test-BBN3

Install go

ver="1.22.0"
wget "https://golang.org/dl/go$ver.linux-amd64.tar.gz"
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "go$ver.linux-amd64.tar.gz"
rm "go$ver.linux-amd64.tar.gz"
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile

Declare your moniker variable

export MONIKER="ABCD"

Note: ABCD = name_validator_you_choose

Remove your old installation (Skip if you haven't run a Babylon node before)

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

Download and build binaries

# Clone project repository

cd $HOME
git clone https://github.com/babylonchain/babylon.git
cd babylon
git checkout v0.8.3

# Build binaries

make build

Preparing The Directories And Install Cosmovisor

# Prepare directories

mkdir -p ~/.babylond
mkdir -p ~/.babylond/cosmovisor
mkdir -p ~/.babylond/cosmovisor/genesis
mkdir -p ~/.babylond/cosmovisor/genesis/bin
mkdir -p ~/.babylond/cosmovisor/upgrades

# Install Cosmovisor

go install cosmossdk.io/tools/cosmovisor/cmd/cosmovisor@latest

# Move Babylond file to Cosmovisor directory

mv build/babylond $HOME/.babylond/cosmovisor/genesis/bin/
rm -rf build

# Create application symlinks

sudo ln -s $HOME/.babylond/cosmovisor/genesis $HOME/.babylond/cosmovisor/current -f
sudo ln -s $HOME/.babylond/cosmovisor/current/bin/babylond /usr/local/bin/babylond -f

Initialize the node

# Initialize the node

babylond init $MONIKER --chain-id bbn-test-3

# Get genesis file

wget https://github.com/babylonchain/networks/raw/main/bbn-test-3/genesis.tar.bz2
tar -xjf genesis.tar.bz2 && rm genesis.tar.bz2
mv genesis.json ~/.babylond/config/genesis.json

# Add seeds

sed -i -e 's|^seeds *=.*|seeds = "49b4685f16670e784a0fe78f37cd37d56c7aff0e@3.14.89.82:26656,9cb1974618ddd541c9a4f4562b842b96ffaf1446@3.16.63.237:26656"|' $HOME/.babylond/config/config.toml

# Change network to signet

sed -i -e "s|^\(network = \).*|\1\"signet\"|" $HOME/.babylond/config/app.toml

# Set minimum gas price

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

# Set peers

PEERS="3774fb9996de16c2f2280cb2d938db7af88d50be@162.62.52.147:26656,b82b321380d1d949d1eed6da03696b1b2ef987ba@148.251.176.236:3000,3fb6251a235480e81c8f964ff25304b2b4e7a071@43.128.69.178:26501,c0ee3e7f140b2de189ce853cfccb9fb2d922eb66@95.217.203.226:26656,e46f38454d4fb889f5bae202350930410a23b986@65.21.205.113:26656,25abb614b96fa606fb5514fcf711635e8e861d8f@217.72.207.107:26656,670d3cc0b1b4d008db95110557190b1d51c3cc87@43.156.24.202:26501,8e4e408a2e157e7ed3fce000525ff8ba22e8f6a8@135.181.58.31:26656,c3e82156a0e2f3d5373d5c35f7879678f29eaaad@144.76.28.163:46656,82191d0763999d30e3ddf96cc366b78694d8cee1@162.19.169.211:26656,26acaa8356468376abcfbbafb92e45fcb9fb14c7@65.109.64.179:26656,bb60df4fc43fd4915e16a779611e919fda4a57cb@95.216.187.89:26656,73d0b886307757aa7e0778ca272851c1d24c2e7d@135.181.246.250:3400,35abd10cba77f9d2b9b575dfa0c7c8c329bf4da3@104.196.182.128:26656,26cb133489436035829b6920e89105046eccc841@178.63.95.125:26656,2b9433ec17f98c902ce6bf0031342f20fb6e9cf8@80.64.208.1:26656,9d840ebd61005b1b1b1794c0cf11ef253faf9a84@43.157.95.203:26656,59b484e1370f211ba74f5b8e1316a0752a55d090@65.108.75.197:26656,fd837edb83d1ad175041b9a72ae6b0f5874d1df7@3.136.250.177:26656,564af85d70a1f7227146b1840f467015f8e9af5a@141.95.110.70:26656,a1a0ec58bf2be5ba114a648f84e53e776f5e4902@3.139.218.231:26656,868730197ee267db3c772414ec1cd2085cc036d4@148.251.235.130:17656,ce1caddb401d530cc2039b219de07994fc333dcf@162.19.97.200:26656,79973384380cb9135411bd6d79c7159f51373b18@133.242.221.45:26656,94039e66a22103ce28c85852c594cacabc6decd1@37.27.54.184:27656,e2a105f8da7a3653fe8149471d84ca1e39d51e53@161.97.131.159:20656,163ba24f7ef8f1a4393d7a12f11f62da4370f494@89.117.57.201:10656,ac65cb7c09f9b0f8aaf2605a9cf9d5684cda87d9@3.129.218.47:26656,2cc3d19c8126a3cecdb95401a525d6a2832a76b8@121.78.247.252:33656,11a40047f142b07119b29262da9f7800640b0699@88.217.142.242:16456,4d992a77957f6937a275a7966ad906f9c3e2f0be@114.203.200.187:26656,09ecb5c2c5c039b35e87be56b43263d1b1552208@109.199.114.30:26656,3bd2dbed00eab2bdf777ecb012ceff403659f8ef@18.171.248.222:26656,be1ff98cfdad3b765d3ef0ebd44ead182a020d23@95.217.35.179:26656,1bdc05708ad36cd25b3696e67ac455b00d480656@37.60.243.219:26656,26240e4061426d22d5594f91f2754a28a80494bc@109.199.96.75:26656,7720914dd724043a1cd5950fad726f67e155fb15@88.198.54.190:43656,ddd6f401792e0e35f5a04789d4db7dc386efc499@135.181.182.162:26656,5afce223a3b96954d0fbbac00c22318600c7b6b9@173.249.44.69:26656,798836777efb5555cfb940129e2073b44f9117e5@141.94.143.203:55706,21d9dd05fa924cbcdaf501b92b74bf106af29c95@89.58.32.218:25000,8566da036cb96a50b011f7a04eb796748f71a71e@51.89.40.26:26656,90eac330252ff51bf461602e7b8df054ce8583ae@65.109.64.57:26656,d43f2ed7961c199dc304e3e34d03247f0aa0615e@51.158.77.69:26656,424325d33fcc86c1cfc085cf412b105348ac2fcd@65.109.85.221:2050,86e9a68f0fd82d6d711aa20cc2083c836fb8c083@222.106.187.14:56000,5b197ab8f05c0140d622b258f0734a3bb7c4128d@88.198.8.79:2050,326fee158e9e24a208e53f6703c076e1465e739d@193.34.212.39:26659,259e9bdb6aabf01f42cdd5367f69aab5996afea4@37.27.59.71:20656,5463943178cdb57a02d6d20964e4061dfcf0afb4@142.132.154.53:20656,b9aaacb74ff31b304c294bdfc7d59c616e8b811a@213.202.212.75:26656,179a498904d880587cc37d07ebd1e01ff81a02fe@3.139.215.161:26656,a25c37941e272b5ed0ea40e8f39e95c0d9c55083@178.63.105.185:26656,05ec92459362ea3969a8980ec87e64df49cf8826@65.108.236.43:21156,e3b214c693b386d118ea4fd9d56ea0600739d910@65.108.195.152:26656,f7c9542e9d9af79f37d1698839787a86f7f8aef0@37.60.234.51:26656,59df4b3832446cd0f9c369da01f2aa5fe9647248@65.109.97.139:26656,5e02bb2c9a644afae6109bf2c264d356fad27618@15.165.166.210:26656,49b15e202497c231ebe7b2a56bb46cfc60eff78c@135.181.134.151:46656,6990fd085c9e2e8c9256f144799d18df51f74022@141.94.195.144:26656,118d4b1b0f58d9c038fafc18085808a593539e7a@78.46.71.227:26656,6359d70612b9abf7d4d458dc1938ec06f2a21652@129.226.152.250:26501,b4215706647068b234d8b72da1736b0e460e5cf1@65.21.228.25:26656,e27df9014fd0d37d917fb33f2d9de7500a8fab70@35.91.9.184:26656,5145171795b9929c41374ce02feef8d11228c33b@160.202.128.199:55706,1eb7b2585cf32255abc0371cd07624cba0706e29@103.35.191.186:26656,2abdfe743b995a8d86fa32f8a38127f1e36a628d@207.180.204.34:26656,4e893ae5671ac29b90229ec69528f731b5e359bb@36.153.240.230:26656,197d15d24b7f83bff06ef6e8ecc6120c5a14a556@37.60.227.81:26656,5b124ed79f5f0c02ffca4bfb8a73469265f46de1@3.132.112.231:26656,f887f4a18019563bcf3fc23079eb68b86931a766@37.60.226.84:16456,f0043c64dff1f95d356107b9f31ace39b4154990@38.242.253.112:26656,bcc5bd089b30bc8c96095a5cd4a8cd45e8c197a0@112.213.190.1:26656,bdd106eaa1b0ecb5ea13e03344147f34d1f457a1@65.108.43.51:26656,89a4dbf6593caa6d337cf02b049cab245ceb6ede@128.140.73.180:26656,7138083f9a513a33d3fd4d477d28436ff368367a@84.247.133.117:26656,0c9f976c92bcffeab19944b83b056d06ea44e124@5.78.110.19:26656,8f618f4f40d1c27e27b760ca10246b8b113e94be@18.222.121.72:26656,10b483d706782dd53834eca77562e081e52b16dd@3.137.160.91:26656,b1783b0d95ffeeac6c81be47ff8552bbc27bc054@18.191.27.217:26656,6460741d8b2701f6d733e0c5a9a52a9d5a924c9f@217.76.63.213:26656,94a6b8d058bc3db464ab8ec0b824cd40c09a2385@3.131.193.119:26656,9f7fd2aebea04d099eb9a60c8483a5b88a5b1db6@161.97.123.142:26656,d9b3f259aa6271351485e75c1adfc949a6c8919d@38.242.253.115:26656,73c9f1a0eba78497adadfd3a23b6391219eae29d@43.128.123.8:26501,d06147e71166c7e5fdf97378aa32ba5ef2a2be2f@43.134.176.53:26501,dbceef939143cdbf7131d9a185314c4849c81a98@202.61.199.52:26656,395af7ddf487e3adb1600adfdf276e9410d2bc39@36.189.234.219:26656,fad3a0485745a49a6f95a9d61cda0615dcc6beff@89.58.62.213:26501,f90d6a73190698aaec5554839229cad20693e04a@37.27.14.222:26656,9e36d595b69c75f94771d9dee791f822578e14da@173.212.244.215:26656,be95de5f28496fe8b7e93ce5ccbeec9db271520b@162.19.95.240:14656,e8f550ed3fea54eda7fa3f8ed3d6b17cb222fedf@95.111.239.100:26656,36123e2b3e3612c6a4abf6c81b71546168f7688d@109.199.114.26:26656,6c14e076d92f715b0a1f7b03b09af8c28f0d9469@65.108.153.90:26656,a31b620c076899133e44d195eae0d6308283230d@57.128.19.189:26656,4dbf5157b735de59fb84be26f2bd40a16cee056c@54.238.212.246:26656,1ecc4a9d703ad52d16bf30a592597c948c115176@165.154.244.14:26656,6e96d1fa4ff9cc573b3c41c3f722aa9b373d886e@154.91.1.78:26656,b5bbe6054b46055242aa72e71614c5b14527dce3@150.109.95.158:26501,37d27ecded8181952f99648628ff2c8d85286432@62.195.206.235:26656,ac0b5e230dfdc573f74642c48898e1398a1e5050@65.108.78.101:26656,0ccb869ba63cf7730017c357189d01b20e4eb277@185.84.224.125:20656,86eecc48c181a2e508852f6f3a170b99a09cae87@74.208.197.25:26656,e9913c53da2a7a1432ee65e17f8b90b072ff3ee6@109.199.113.189:26656,1a0b3386617587ad7e678e0ea522c79f1fe4113a@65.109.88.254:38656,07d1b69e4dc56d46dabe8f5eb277fcde0c6c9d1e@23.88.5.169:17656,fb5ea45358d13679518f43d995f42442a79b161f@185.246.87.105:56656,b80b2fb6002557b468add907074d0bf2ef4f911e@158.220.84.179:29656,ef83feb0f03af81e65a9fa511f7a99401308a99a@43.156.182.164:26501,3deaff1478542cf7f28123ad33be50d4bc08b728@2.56.97.152:26656,40662747f0e01678dbdf1e50879f40a68139d7aa@35.163.58.204:26656,b08f08b8f10103ce97f3b5cbd274795687ce4866@164.68.96.90:26656,68de398f1d36546c002086b91f6018ed5c6105f2@5.189.136.136:26656,34807baef8c02bc202fb14035f7d375a6a5ff30e@95.217.193.182:21656,69c1b7e1eb114703733c3000baa6c008ebc70073@65.109.113.233:20656"

sed -i 's|^persistent_peers *=.*|persistent_peers = "'$PEERS'"|' $HOME/.babylond/config/config.toml

Create The Corresponding Service

sudo tee /etc/systemd/system/babylond.service > /dev/null <<EOF
[Unit]
Description=Babylon daemon
After=network-online.target
[Service]
User=$USER
ExecStart=$(which cosmovisor) run start --x-crisis-skip-assert-invariants
Restart=always
RestartSec=3
LimitNOFILE=infinity
Environment="DAEMON_NAME=babylond"
Environment="DAEMON_HOME=${HOME}/.babylond"
Environment="DAEMON_RESTART_AFTER_UPGRADE=true"
Environment="DAEMON_ALLOW_DOWNLOAD_BINARIES=false"
[Install]
WantedBy=multi-user.target
EOF


sudo -S systemctl daemon-reload 

sudo -S systemctl enable babylond 

sudo -S systemctl start babylond

Checks the logs

sudo journalctl -u babylond.service -f --no-hostname -o cat

Ctrl + C to exit the logs

Import wallet

babylond keys add "wallet" --recover

If you don't have a wallet yet, please create a new wallet using the command below:

babylond keys add wallet

Faucet token testnet

Please join Babylon discord: https://discord.gg/babylonglobal. Afterwards, you need to verify the user and get the Tech role.

Go to room faucet & faucet BBN token with command line is: !faucet bbxxx…xxx (bbxxx…xxx is a your address wallet)

Generate a BLS key pair

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

Create a validator

sudo tee ~/validator.json > /dev/null <<EOF
{
"pubkey": $(babylond tendermint show-validator),
"amount": "1000000ubbn",
"moniker": "your_moniker",
"website": "https://yourwebsite.com",
"security": "contact@gmail.com",
"details": "description of your validator",
"commission-rate": "0.10",
"commission-max-rate": "0.20",
"commission-max-change-rate": "0.01",
"min-self-delegation": "1"
}
EOF

Ensure you replace your_moniker, https://yourwebsite.com, contact@gmail.com, and "description of your validator" with your actual moniker, website, email address, and validator description.

Check status synced

babylond status | jq

Please wait for synchronization for about a few hours. You can create a validator if you check the display status as below.

With the validator.json file ready, use the following command to create your validator on the blockchain. This command references the JSON file for validator details and executes the transaction to register your validator on the bbn-test-3 network:

babylond tx checkpointing create-validator ~/validator.json \
--chain-id="bbn-test-3" \
--gas="auto" \
--gas-adjustment="1.5" \
--gas-prices="0.025ubbn" \
--from=wallet

You can check your Validator status here. Please allow some time for your validator to be added to the Babylon Validator list: https://babylon.explorers.guru/validators

Babylon 2.jpg

Conclusion

We have completed the Guide to running Babylon Node. If you encounter any errors while running Babylon Node, please join our Telegram group for assistance.