🔗 Validator Node Installation

Chain ID: mocha-4 | Latest Version Tag: v5.0.1-mocha

Recommended Hardware:

Node Type	CPU	RAM	Storage
Testnet	4	8GB	250GB

Install dependencies

# Update the repositories
sudo apt update && apt upgrade -y

# Install developer packages
sudo apt install curl git wget htop tmux build-essential jq make lz4 gcc unzip -y

# Install Go
sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.24.2.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 $HOME/.profile)
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile
go version

Automatic Installation

source <(curl -s https://raw.githubusercontent.com/validexisinfra/Celestia/main/setup_validator_testnet.sh)

Manual Installation

# Come up with the name of your node and replace it instead <your_moniker>
MONIKER=<your_moniker>

# Download binary files
cd $HOME
rm -rf celestia-app
git clone https://github.com/celestiaorg/celestia-app.git
cd celestia-app
git checkout v5.0.1-mocha

make install

# Config and initialize the node
celestia-appd config set client chain-id mocha-4
celestia-appd config set client keyring-backend file
celestia-appd config set client node tcp://localhost:26657

celestia-appd init $MONIKER --chain-id mocha-4

# Download genesis and addrbook
wget -O $HOME/.celestia-app/config/genesis.json https://testnets1.validexis.com/celestia/genesis.json
wget -O $HOME/.celestia-app/config/addrbook.json https://testnets1.validexis.com/celestia/addrbook.json

Setup config

# Set seeds and peers
SEEDS="[e-mail]:26656"
PEERS="[e-mail]:26656,[email protected]:11656,[email protected]:11656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26630,[email protected]:26656,[email protected]:26630,[email protected]:26656,[email protected]:26656,[email protected]:11656,[email protected]:26656,[email protected]:36656,[email protected]:26656,[email protected]:36656,[email protected]:36656,[email protected]:26656,[email protected]:36656,[email protected]:29656,[email protected]:26656,[email protected]:10156"
sed -i -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*seeds *=.*/seeds = \"$SEEDS\"/}" \
       -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*persistent_peers *=.*/persistent_peers = \"$PEERS\"/}" $HOME/.celestia-app/config/config.toml

# Set commit timeout
sed -i -e "s|^target_height_duration *=.*|timeout_commit = \"11s\"|" $HOME/.celestia-app/config/config.toml

# Set minimum gas price
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0.002utia\"|" $HOME/.celestia-app/config/app.toml

# Config pruning
sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.celestia-app/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.celestia-app/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"50\"/" $HOME/.celestia-app/config/app.toml

# Set configuration for v3
sed -i -e "s|^recv_rate *=.*|recv_rate = 10485760|" -e "s|^send_rate *=.*|send_rate = 10485760|" -e "s|^ttl-num-blocks *=.*|ttl-num-blocks = 12|" $HOME/.celestia-app/config/config.toml

# Enable bbr
sudo modprobe tcp_bbr
echo "net.core.default_qdisc=fq" | sudo tee -a /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" | sudo tee -a /etc/sysctl.conf
sudo sysctl -p

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

[Service]
User=$USER
WorkingDirectory=$HOME/.celestia-app
ExecStart=$(which celestia-appd) start --home $HOME/.celestia-app
Restart=on-failure
RestartSec=5
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

# Download latest chain snapshot
curl -L https://snapshots1.validexis.com/celestia-testnet/snap_celestia-prun.tar.lz4 | tar -Ilz4 -xf - -C $HOME/.celestia-app/

# Enable and start service
sudo systemctl daemon-reload
sudo systemctl enable celestia-appd
sudo systemctl start celestia-appd && sudo journalctl -u celestia-appd -f

# Check status
celestia-appd status 2>&1 | jq .SyncInfo

#"catching_up": false means that the node is synchronized, we are waiting for complete synchronization

Wallets

# Create wallet
celestia-appd keys add wallet

The wallet has been created. In the last line there will be a phrase that must be written down

# If the wallet was already there, restore it
celestia-appd add wallet --recover

# Insert the seed phrase from your wallet
# If everything is correct, you will see your wallet data

Validator

Do not forget to create a profile on https://keybase.io/ and set a profile photo there that will be imported by key and used for your validators.

celestia-appd tx staking create-validator \
--amount 1000000utia \
--pubkey $(celestia-appd tendermint show-validator) \
--moniker "YOUR_MONIKER_NAME" \
--identity "YOUR_KEYBASE_ID" \
--details "YOUR_DETAILS" \
--website "YOUR_WEBSITE_URL" \
--chain-id mocha-4 \
--commission-rate 0.05 \
--commission-max-rate 0.20 \
--commission-max-change-rate 0.05 \
--min-self-delegation 1 \
--from wallet \
--gas 200000 \
--gas-prices 0.002utia \
-y

!!! Save priv_validator_key.json which is located in /root/.celestia-app/config