Installation - Namada

Manual Installation

Official Documentation Recommended Hardware: CPU: x86_64 or arm64, 8GB DDR4, 1TB of storage

Update packages and Install dependencies select 1

sudo apt update && sudo apt upgrade -y
sudo apt-get install -y make git-core libssl-dev pkg-config libclang-12-dev build-essential protobuf-compiler

Install :

cd $HOME
! [ -x "$(command -v go)" ] && {
VER="1.20.3"
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$VER.linux-amd64.tar.gz"
[ ! -f ~/.bash_profile ] && touch ~/.bash_profile
echo "export PATH=$PATH:/usr/local/go/bin:~/go/bin" >> ~/.bash_profile
source $HOME/.bash_profile
}
[ ! -d ~/go/bin ] && mkdir -p ~/go/bin

Replace your Validator and Wallet name, save and import variables into system. Change default port if needed.

NAMADA_PORT=26
echo "export NAMADA_PORT="$NAMADA_PORT"" >> $HOME/.bash_profile
echo "export ALIAS="CHOOSE_A_NAME_FOR_YOUR_VALIDATOR"" >> $HOME/.bash_profile
echo "export MEMO="CHOOSE_YOUR_tpknam_ADDRESS"" >> $HOME/.bash_profile
echo "export WALLET="wallet"" >> $HOME/.bash_profile
echo "export PUBLIC_IP=$(wget -qO- eth0.me)" >> $HOME/.bash_profile
echo "export CHAIN_ID="housefire-cotton.d3c912fee7462"" >> $HOME/.bash_profile
echo "export BASE_DIR="$HOME/.local/share/namada"" >> $HOME/.bash_profile
source $HOME/.bash_profile
# set custom configs server
export NAMADA_NETWORK_CONFIGS_SERVER="https://testnet.knowable.run/configs"

Install Rust:

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
source $HOME/.cargo/env

Install CometBFT:

cd $HOME
rm -rf cometbft
git clone https://github.com/cometbft/cometbft.git
cd cometbft
git checkout v0.37.9
make build
sudo cp $HOME/cometbft/build/cometbft /usr/local/bin/
cometbft version

Download and build Namada binaries:

cd $HOME
rm -rf namada
git clone https://github.com/anoma/namada
cd namada
wget https://github.com/anoma/namada/releases/download/v0.44.1/namada-v0.44.1-Linux-x86_64.tar.gz
tar -xvf namada-v0.44.1-Linux-x86_64.tar.gz
rm namada-v0.44.1-Linux-x86_64.tar.gz
cd namada-v0.44.1-Linux-x86_64
sudo mv namad* /usr/local/bin/
if [ ! -d "$BASE_DIR" ]; then
    mkdir -p "$BASE_DIR"
fi

Check Namada version:

namada --version

🔗 Join-network as Pre-Genesis Validator

Join-network as Full Nodes or Post-Genesis Validator:

namadac utils join-network --chain-id $CHAIN_ID
sed -i 's#persistent_peers = ".*"#persistent_peers = "tcp://[email protected]:26656"#' $HOME/.local/share/namada/housefire-cotton.d3c912fee7462/config.toml

Create Service file:

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

[Service]
User=$USER
WorkingDirectory=$BASE_DIR
Environment=TM_LOG_LEVEL=p2p:none,pex:error
Environment=NAMADA_CMT_STDOUT=true
ExecStart=$(which namada) node ledger run
StandardOutput=syslog
StandardError=syslog
Restart=always
RestartSec=10
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

Set custom ports in config.toml:

sed -i.bak -e "s%:26658%:${NAMADA_PORT}658%g;
s%:26657%:${NAMADA_PORT}657%g;
s%:26656%:${NAMADA_PORT}656%g;
s%:26545%:${NAMADA_PORT}545%g;
s%:8545%:${NAMADA_PORT}545%g;
s%:26660%:${NAMADA_PORT}660%g" $HOME/.local/share/namada/housefire-cotton.d3c912fee7462/config.toml

add persistent peer:

sed -i 's#persistent_peers = ".*"#persistent_peers = "tcp://[email protected]:26656"#' $HOME/.local/share/namada/housefire-cotton.d3c912fee7462/config.toml

Enable and start service:

sudo systemctl daemon-reload
sudo systemctl enable namadad
sudo systemctl restart namadad && sudo journalctl -u namadad -f

🔎 Create and fund wallet

🧑‍🎓 Turn your full node into a validator

Automatic Installation

source <(curl -s https://itrocket.net/api/namada/autoinstall/)

Node Sync Status Checker

#!/bin/bash
rpc_port=$(grep -m 1 -oP '^laddr = "\K[^"]+' "$HOME/.local/share/namada/housefire-cotton.d3c912fee7462/cometbft/config/config.toml" | cut -d ':' -f 3)
while true; do
  local_height=$(curl -s localhost:$rpc_port/status | jq -r '.result.sync_info.latest_block_height')
  network_height=$(curl -s https://namada-testnet-rpc.itrocket.net/status | jq -r '.result.sync_info.latest_block_height')

  if ! [[ "$local_height" =~ ^[0-9]+$ ]] || ! [[ "$network_height" =~ ^[0-9]+$ ]]; then
    echo -e "\033[1;31mError: Invalid block height data. Retrying...\033[0m"
    sleep 5
    continue
  fi

  blocks_left=$((network_height - local_height))
  if [ "$blocks_left" -lt 0 ]; then
    blocks_left=0
  fi

  echo -e "\033[1;33mYour Node Height:\033[1;34m $local_height\033[0m \033[1;33m| Network Height:\033[1;36m $network_height\033[0m \033[1;33m| Blocks Left:\033[1;31m $blocks_left\033[0m"

  sleep 5
done

Security

To protect you keys please don`t share your privkey, mnemonic and follow basic security rules

Set up ssh keys for authentication

You can use this guide to configure ssh authentication and disable password authentication on your server

Firewall security

Set the default to allow outgoing connections, deny all incoming, allow ssh and node p2p port

sudo ufw default allow outgoing 
sudo ufw default deny incoming 
sudo ufw allow ssh/tcp 
sudo ufw allow ${NAMADA_PORT}656/tcp
sudo ufw enable

Delete node

sudo systemctl stop namadad
sudo systemctl disable namadad
sudo rm -rf /etc/systemd/system/namadad.service
sudo systemctl daemon-reload
sudo rm $(which namada)
sudo rm -rf $HOME/.local/share/namada/housefire-cotton.d3c912fee7462