# Node Installation

<figure><img src="https://pbs.twimg.com/profile_images/1404775608798699522/ohhSUimj_400x400.jpg" alt="" width="188"><figcaption></figcaption></figure>

***

| Version | Chain-id      | Wasm    |
| ------- | ------------- | ------- |
| v2.5.3  | laozi-mainnet | ENABLED |

### Setup Server

```shell
# Update Packages
sudo apt update && apt upgrade -y
sudo apt install curl git jq lz4 build-essential unzip fail2ban ufw -y

# Set Firewall
sudo apt install -y ufw
sudo ufw default allow outgoing
sudo ufw default deny incoming
sudo ufw allow ssh
sudo ufw allow 9100

# Enable Firewall
sudo ufw enable

# Install Go
ver="1.20.8"
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
go version

# Install Cosmovisor (OPTIONAL If you are using Cosmovisor)
go install cosmossdk.io/tools/cosmovisor/cmd/cosmovisor@v1.5.0
```

### Node Installation

There is 2 ways to install node , using Cosmovisor or Run the binary directly, you can choose whats you prefer

{% tabs %}
{% tab title="Cosmovisor (Recommended)" %}
{% code fullWidth="true" %}

```sh
# Download and install binary
cd $HOME
rm -rf band
git clone https://github.com/bandprotocol/chain band
cd band
git checkout v2.5.3
make install


# Setup Cosmovisor Symlinks
mkdir -p $HOME/.band/cosmovisor/genesis/bin
mv $HOME/go/bin/bandd $HOME/.band/cosmovisor/genesis/bin/

sudo ln -s $HOME/.band/cosmovisor/genesis $HOME/.band/cosmovisor/current
sudo ln -s $HOME/.band/cosmovisor/current/bin/bandd /usr/local/bin/bandd


# Set Configuration for your node
bandd config chain-id laozi-mainnet
bandd config keyring-backend file


# Init your node
# You can change "MyNode" to anything you like
bandd init MyNode --chain-id laozi-mainnet


# Add Genesis File and Addrbook
curl -Ls https://snapshots.indonode.net/band/genesis.json > $HOME/.band/config/genesis.json
curl -Ls https://snapshots.indonode.net/band/addrbook.json > $HOME/.band/config/addrbook.json


#Configure Seeds and Peers
PEERS="$(curl -sS https://rpc.band.indonode.net/net_info | jq -r '.result.peers[] | "\(.node_info.id)@\(.remote_ip):\(.node_info.listen_addr)"' | awk -F ':' '{print $1":"$(NF)}' | sed -z 's|\n|,|g;s|.$||')"
sed -i -e "s|^persistent_peers *=.*|persistent_peers = \"$PEERS\"|" $HOME/.band/config/config.toml

# Set Pruning, Enable Prometheus
PRUNING="custom"
PRUNING_KEEP_RECENT="100"
PRUNING_INTERVAL="19"

sed -i -e "s/^pruning *=.*/pruning = \"$PRUNING\"/" $HOME/.band/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \
\"$PRUNING_KEEP_RECENT\"/" $HOME/.band/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \
\"$PRUNING_INTERVAL\"/" $HOME/.band/config/app.toml
sed -i 's|^prometheus *=.*|prometheus = true|' $HOME/.band/config/config.toml

# Set Service file
sudo tee /etc/systemd/system/bandd.service > /dev/null << EOF
[Unit]
Description=bandd testnet node service
After=network-online.target

[Service]
User=$USER
ExecStart=$(which cosmovisor) run start
Restart=on-failure
RestartSec=10
LimitNOFILE=65535
Environment="DAEMON_HOME=$HOME/.band"
Environment="DAEMON_NAME=bandd"
Environment="UNSAFE_SKIP_BACKUP=true"

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

# Download Latest Snapshot
curl -L https://snapshots.indonode.net/band/band-snapshot.tar.lz4 | tar -Ilz4 -xf - -C $HOME/.band
[[ -f $HOME/.band/data/upgrade-info.json ]] && cp $HOME/.band/data/upgrade-info.json $HOME/.band/cosmovisor/genesis/upgrade-info.json

# Start the Node
sudo systemctl restart bandd
sudo journalctl -fu bandd -o cat
```

{% endcode %}
{% endtab %}

{% tab title="Non-Cosmovisor" %}

```sh
# Download and install binary
cd $HOME
rm -rf band
git clone https://github.com/bandprotocol/chain band
cd band
git checkout v2.5.3
make install


# Set Configuration for your node
bandd config chain-id laozi-mainnet
bandd config keyring-backend file


# Init your node
# You can change "MyNode" to anything you like
bandd init MyNode --chain-in laozi-mainnet


# Add Genesis File and Addrbook
curl -Ls https://snapshots.indonode.net/band/genesis.json > $HOME/.band/config/genesis.json
curl -Ls https://snapshots.indonode.net/band/addrbook.json > $HOME/.band/config/addrbook.json

#Configure Seeds and Peers
PEERS="$(curl -sS https://rpc.band.indonode.net/net_info | jq -r '.result.peers[] | "\(.node_info.id)@\(.remote_ip):\(.node_info.listen_addr)"' | awk -F ':' '{print $1":"$(NF)}' | sed -z 's|\n|,|g;s|.$||')"
sed -i -e "s|^persistent_peers *=.*|persistent_peers = \"$PEERS\"|" $HOME/.band/config/config.toml


# Set Pruning, Enable Prometheus, Gas Prices, and Indexer
PRUNING="custom"
PRUNING_KEEP_RECENT="100"
PRUNING_INTERVAL="19"

sed -i -e "s/^pruning *=.*/pruning = \"$PRUNING\"/" $HOME/.band/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \
\"$PRUNING_KEEP_RECENT\"/" $HOME/.band/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \
\"$PRUNING_INTERVAL\"/" $HOME/.band/config/app.toml
sed -i 's|^prometheus *=.*|prometheus = true|' $HOME/.band/config/config.toml


# Set Service file
sudo tee /etc/systemd/system/bandd.service > /dev/null <<EOF
[Unit]
Description=band testnet node
After=network-online.target
[Service]
User=$USER
ExecStart=$(which bandd) start
Restart=always
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable bandd

# Download Latest Snapshot
curl -L https://snapshots.indonode.net/band/band-snapshot.tar.lz4 | tar -Ilz4 -xf - -C $HOME/.band
[[ -f $HOME/.band/data/upgrade-info.json ]] && cp $HOME/.band/data/upgrade-info.json $HOME/.band/cosmovisor/genesis/upgrade-info.json

# Start the Node
sudo systemctl restart bandd
sudo journalctl -fu bandd -o cat
```

{% endtab %}
{% endtabs %}


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