How To Run Celestia Node ? Detailed Tutorial !!

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What is Celestia :

Celestia is a modular consensus and data network, built to enable anyone to easily deploy their own blockchain with minimal overhead. Celestia provides consensus and security on-demand, enabling anyone to deploy a blockchain without the overhead of bootstrapping a new consensus network.

About Mamaki Testnet :

Mamaki is a milestone in Celestia, allowing everyone to test out core functionalities on the network. The Celestia testnet, codenamed Mamaki, will serve as an upgraded version of the now-retired devnet, featuring many new enhancements and bug fixes. Please note that Mamaki is not Celestia’s incentivized testnet, which is planned closer to mainnet.

Setting Up Celestia Node For Mamaki Testnet :-

1. Purchase VPS

I will suggest you to order your VPS on Contabo

Link :- https://contabo.com/

Choose Most Popular Plan

Options to choose :- 1 Month >> European >> 400 GB >> Ubuntu 20.04 >> Generate Password >> Next

After it click on Next

And Now enter your details like name address and all!

Click Next and Now complete the transaction.

Once you have complete your order. You will receive a first email.

After it you will receive a mail which contain your IP.

For me its takes approx 6 hours

And right now when I am writing this Contabo is down !!

2. Connect Your VPS

For Windows :-

Now we have to connect our IP , for this we use Putty.

Link :- https://the.earth.li/~sgtatham/putty/latest/w64/putty.exe

Now,

• Paste server IP to “Host Name” and click “Open”
• In the opened tab, write the command: root;
• Press “Enter” and paste the password from the server, then “Enter”

Note :- Password will never we displayed , Just type and press “Enter “

For MacOS :-

On macOS, launch the Terminal.

• Enter the server with the command (change IP_ADDRESS to the server IP):ssh root@IP_ADDRESS
• Next, enter “yes”, press “Enter,” and paste the server password (the icon with the key will hide the entered password). Press “Enter”.

You can use a VPS that you already have also. Make sure you are not running any other node on that or these two might clash and both may fail to stay awake.

3. Installing Dependencies :-

Let’s Update The Packages :

Copy the commands that are in the grey box and paste them in Putty your whatever method you are using to connect to your VPS.

sudo apt update && sudo apt upgrade -y

sudo apt install curl tar wget clang pkg-config libssl-dev jq build-essential bsdmainutils git make ncdu -y

Celestia-app and celestia-node are written in Golang so we must install Golang to build and run them. Run the following :

cd $HOME
ver="1.18.3"
wget "https://golang.org/dl/go$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

Press Enter.

To check if Go was installed correctly run:

go version

The output should be as following :

4. Installing Celestia App :

The steps below will create a binary file named celestia-appd inside $HOME/go/bin folder which will be used later to run the node. Run the following :

cd $HOME
rm -rf celestia-app
git clone https://github.com/celestiaorg/celestia-app.git
cd celestia-app
git checkout v0.6.0
make install

This part takes a bit of time.

To check if it has been installed successfully :

celestia-appd version

Now, clone the following file by running :

git clone https://github.com/celestiaorg/networks

5. Setting up P2P Network :

cd $HOME
rm -rf networks
git clone https://github.com/celestiaorg/networks.git

Set variables by running the following and replacing NODE_NAME and WALLET_NAME :

CELESTIA_NODENAME="NODE_NAME" 
CELESTIA_WALLET="WALLET_NAME"
CELESTIA_CHAIN="mamaki"

For Example :

CELESTIA_NODENAME="DuhItsAniketNode" 
CELESTIA_WALLET="DuhItsAniketWallet"
CELESTIA_CHAIN="mamaki"

Save the above created Variables by running this:

echo 'export CELESTIA_CHAIN='$CELESTIA_CHAIN >> $HOME/.bash_profile
echo 'export CELESTIA_NODENAME='${CELESTIA_NODENAME} >> $HOME/.bash_profile
echo 'export CELESTIA_WALLET='${CELESTIA_WALLET} >> $HOME/.bash_profile
source $HOME/.bash_profile

To initialize the network, run this :

celestia-appd init $CELESTIA_NODENAME --chain-id $CELESTIA_CHAIN

Copy the genesis.json file :

cp $HOME/networks/mamaki/genesis.json $HOME/.celestia-app/config/

6. Setting Up Validator Node :

sed -i 's/mode = \"full\"/mode = \"validator\"/g' $HOME/.celestia-app/config/config.toml

7. Setting up seeds and peers :

BOOTSTRAP_PEERS=$(curl -sL https://raw.githubusercontent.com/celestiaorg/networks/master/mamaki/bootstrap-peers.txt | tr -d '\n')

To check if it has been done successfully :

echo $BOOTSTRAP_PEERS

Now, run this :

sed -i.bak -e "s/^bootstrap-peers *=.*/bootstrap-peers = \"$BOOTSTRAP_PEERS\"/" $HOME/.celestia-app/config/config.toml

Run this :

sed -i 's/timeout-commit = ".*/timeout-commit = "25s"/g' $HOME/.celestia-app/config/config.toml
sed -i 's/peer-gossip-sleep-duration *=.*/peer-gossip-sleep-duration = "2ms"/g' $HOME/.celestia-app/config/config.toml

8. Set P2P Configuration Option :

max_num_inbound_peers=40 
max_num_outbound_peers=10 
max_connections=50

Also run :

sed -i -e "s/^use-legacy *=.*/use-legacy = false/;\
s/^max-num-inbound-peers *=.*/max-num-inbound-peers = $max_num_inbound_peers/;\
s/^max-num-outbound-peers *=.*/max-num-outbound-peers = $max_num_outbound_peers/;\
s/^max-connections *=.*/max-connections = $max_connections/" $HOME/.celestia-app/config/config.toml

9. Configuring pruning and snapshots :

Let’s configure pruning first.

pruning_keep_recent="100" 
pruning_interval="10"

sed -i -e "s/^pruning *=.*/pruning = \"custom\"/;\
s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/;\
s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.celestia-app/config/app.toml

Run this to set snapshot-interval :

sed -i 's/snapshot-interval *=.*/snapshot-interval = 0/' $HOME/.celestia-app/config/app.toml

10. Reset :

This will delete all data folders so we can start fresh:

celestia-appd tendermint unsafe-reset-all --home $HOME/.celestia-app

11. Configuring Client :

celestia-appd config chain-id $CELESTIA_CHAIN
celestia-appd config keyring-backend test

12. Creating and Running Services :

tee $HOME/celestia-appd.service > /dev/null <<EOF
[Unit]
  Description=celestia-appd Cosmos daemon
  After=network-online.target
[Service]
  User=$USER
  ExecStart=$(which celestia-appd) start
  Restart=on-failure
  RestartSec=3
  LimitNOFILE=65535
[Install]
  WantedBy=multi-user.target
EOF

sudo mv $HOME/celestia-appd.service /etc/systemd/system/

sudo systemctl enable celestia-appd
sudo systemctl daemon-reload
sudo systemctl restart celestia-appd && journalctl -u celestia-appd -f -o cat

Press CTRL + C to stop the logs

13. Quick Syncing and Starting Celestia App:

Let’s stop celestia-appd by running :

sudo systemctl stop celestia-appd

Let’s go ahead and download the majority of the blocks for sync :

cd $HOME
rm -rf ~/.celestia-app/data
mkdir -p ~/.celestia-app/data
SNAP_NAME=$(curl -s https://snaps.qubelabs.io/celestia/ | \
    egrep -o ">mamaki.*tar" | tr -d ">")
wget -O - https://snaps.qubelabs.io/celestia/${SNAP_NAME} | tar xf - \
    -C ~/.celestia-app/data/

This is going to take some time. Your node is downloading blocks from Celestia Blockchain.

After this is done, run the following :

sudo systemctl restart celestia-appd && journalctl -u celestia-appd -f -o cat

Press CTRL + C to stop the logs

Before continuing, lets make sure your node is fully synced with the network. Run this :

curl -s localhost:26657/status | grep block_height

You can run the above command ( curl -s localhost:26657/status | grep block_height ) again and again to check if your node has caught up with the network or not. Only proceed after you get false there.

Note : If your synchronization stops and is not proceeding further, do this :

sudo systemctl stop celestia-appd

and then,

sudo systemctl restart celestia-appd && journalctl -u celestia-appd -f -o cat

Also, proceed only further when the blocks are in SYNC. Check it through :

curl -s localhost:26657/status | grep block_height

14. Wallet and Faucet :

Let’s create a wallet and get some faucet. Run the following :

celestia-appd keys add $CELESTIA_WALLET

Do store this information in a notepad file.

Now, let’s save these values in Variables.

CELESTIA_ADDR=$(celestia-appd keys show $CELESTIA_WALLET -a) 
echo $CELESTIA_ADDR 
echo 'export CELESTIA_ADDR='${CELESTIA_ADDR} >> $HOME/.bash_prof

CELESTIA_VALOPER=$(celestia-appd keys show $CELESTIA_WALLET — bech val -a) 
echo $CELESTIA_VALOPER 
echo 'export CELESTIA_VALOPER='${CELESTIA_VALOPER} >> $HOME/.bash_profile 
source $HOME/.bash_profile

Let’s get some faucet. Go to Celestia’s Discord and head towards #🚰｜mamaki-faucet channel.

Now, type $request <wallet> . Replace <wallet> with your wallet address that you stored in notepad above. For Example :

You’ll get some response like :

You can claim again after 7-Days. You can check your balance like this :

celestia-appd q bank balances $CELESTIA_ADDR

15. Creating Validator

celestia-appd tx staking create-validator \
 — amount=9000000utia \
 — pubkey=$(celestia-appd tendermint show-validator) \
 — moniker=$CELESTIA_NODENAME \
 — chain-id=$CELESTIA_CHAIN \
 — commission-rate=0.1 \
 — commission-max-rate=0.2 \
 — commission-max-change-rate=0.01 \
 — min-self-delegation="1" \
 — from=$CELESTIA_WALLET

Press y and Enter.

Done. Your node is up and running.

To check the status of your node, click here. Type in your node name. If it doesn’t show in Active field, check in Inactive.

It’s showing Inactive as I don’t have enough tokens staked. Its inactive because they have 150 active validators already .The staked amount determines you are active or not. And we can’t have more through the faucet because limitation is one request each 7 days. Don’t worry. Your Node is still running.

Cheers.

Guys don’t forget to clap max on this tutorial pls it takes hardwork.

Thanks its done for today.
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