# Bridge Node

### [Docs](https://docs.celestia.org/nodes/bridge-node)

## [EXPLORER](https://explorer.stavr.tech/Celestia-Testnet/staking)

* **Hardware requirements**:

| Node Type   | CPU | RAM  | Storage |
| ----------- | --- | ---- | ------- |
| Bridge node | 6   | 16GB | 2TB     |

## 1) Auto\_install script

```bash
source <(curl -s https://raw.githubusercontent.com/111STAVR111/props/main/Celestia/Testnet/Bridge/bridget)
```

## 2) Manual installation

#### Preparing the server

```bash
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 gcc git jq chrony liblz4-tool -y
```

### GO 1.23.1

```bash
ver="1.23.1"
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
```

## Build 22.09.25

<pre class="language-bash"><code class="lang-bash"><strong>cd $HOME &#x26;&#x26; mkdir -p go/bin/
</strong>git clone https://github.com/celestiaorg/celestia-node.git
cd celestia-node/
git checkout tags/v0.26.2-mocha
make build 
sudo make install 
make cel-key
mv $HOME/celestia-node/cel-key /usr/local/bin/

</code></pre>

`celestia version`

* version: v0.26.2-mocha
* commit:&#x20;

### Create/recover wallet

```bash
cel-key add bridge-wallet --keyring-backend test --node.type bridge --p2p.network mocha
           OR
cel-key add bridge-wallet --keyring-backend test --node.type bridge  --recover --p2p.network mocha
```

## Initiation

```python
#--core.ip - IP address RPC Node
#--p2p.network - chain id (mocha-4)
#--core.port - gRPC port from our RPC node
#--keyring.keyname -  our Wallet Name
celestia bridge init --core.ip <RPC_NODE_IP> --p2p.network mocha --core.port 9090 --keyring.keyname bridge-wallet --archival
```

## Create a service file

```bash
sudo tee /etc/systemd/system/celestia-bridge.service > /dev/null <<EOF
[Unit]
Description=celestia Bridge
After=network-online.target

[Service]
User=$USER
ExecStart=$(which celestia) bridge start \
--p2p.network mocha \
--metrics.tls=true --metrics --metrics.endpoint otel.mocha.celestia.observer \
--keyring.keyname bridge-wallet
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF
```

## SnapShot Bridge Testnet | Archive - updated every 3 days

{% hint style="success" %}
<https://celestia-tools.stavr.tech/bridge/>
{% endhint %}

```sh
cd $HOME
snap install aria2c lz4
aria2c -x 12 -s 12 https://celestia.bridge-archive.snap-t.stavr.tech/bridge-t-snap.tar.lz4
sudo systemctl stop celestia-bridge
rm -rf $HOME/.celestia-bridge-mocha-4/{blocks,data,index,inverted_index,transients,.lock}
tar -I lz4 -xvf bridge-t-snap.tar.lz4 -C $HOME/.celestia-bridge-mocha-4/
sudo systemctl restart celestia-bridge && sudo journalctl -fu celestia-bridge -ocat
```

## Useful Tools

### Start

```bash
systemctl daemon-reload
systemctl enable celestia-bridge
systemctl restart celestia-bridge && journalctl -fu celestia-bridge -ocat
```

**Bridge node Status:**

```bash
celestia header sync-state --node.store  ~/.celestia-bridge-mocha-4/
```

\
[🧩Services and Tools🧩](https://stavr-team.gitbook.io/nodes-guides/testnets/celestia/bridge-node/snapshot)

## Monitoring

You can set up your node status alarm here - [Monitoring](https://stavr-team.gitbook.io/nodes-guides/monitoring)

## Security

You can create secure management of your wallet and your node by following this links.

[TMKMS](https://stavr-team.gitbook.io/nodes-guides/tmkms)               [Wallet Security](https://stavr-team.gitbook.io/nodes-guides/wallet-security)

### Delete node

```bash
systemctl stop celestia-bridge
systemctl disable celestia-bridge
rm /etc/systemd/system/celestia-bridge.service
systemctl daemon-reload
cd $HOME
rm -rf .celestia-bridge-mocha-4
rm -rf celestia-node
rm -rf /usr/local/bin/cel-key
rm -rf $(which celestia)
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://stavr-team.gitbook.io/nodes-guides/testnets/celestia/bridge-node.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.