# Running Full Node

<figure><img src="/files/g6vaQ0VfcK5ve5DkEkrq" alt=""><figcaption></figcaption></figure>

## Prerequisites <a href="#prerequisites" id="prerequisites"></a>

* **Java JDK - version 21 or higher.**&#x20;

```
wget https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.deb
sudo apt install ./jdk-21_linux-x64_bin.deb
```

Alternatively, you can manually install the [Java JDK](https://www.oracle.com/java/technologies/downloads).

* [Hyperledger Besu 24.7.0](https://github.com/hyperledger/besu/releases/download/24.7.0/besu-24.7.0.tar.gz) - SHA256: 96cf47defd1d8c10bfc22634e53e3d640eaa81ef58cb0808e5f4265998979530
* 500 GB of disk space and 12 GB RAM is recommended.
* Ubuntu 20.04 or MacOS High Sierra 10.13 or later versions.

<mark style="color:green;">Tip before running in Linux:</mark>

<mark style="color:green;">If synchronizing to Mainnet on Linux or other chains with large data requirements, increase the maximum number of open files allowed using</mark> <mark style="color:green;"></mark><mark style="color:green;">`ulimit`</mark><mark style="color:green;">. If the open files limit is not high enough, a</mark> <mark style="color:green;"></mark><mark style="color:green;">`Too many open files`</mark> <mark style="color:green;"></mark><mark style="color:green;">RocksDB exception occurs.</mark>

## Get Started <a href="#prerequisites" id="prerequisites"></a>

Bitrock-Mainnet Genesis File: <https://raw.githubusercontent.com/BitrockChain/genesis/main/mainnet.json>

### 1. Create Directory <a href="#id-1.-create-directory-and-download-genesis-file" id="id-1.-create-directory-and-download-genesis-file"></a>

{% code overflow="wrap" lineNumbers="true" %}

```sh
mkdir bitrock_node
cd bitrock_node
wget https://raw.githubusercontent.com/BitrockChain/genesis/main/mainnet.json
```

{% endcode %}

### 2. Create Configuration File <a href="#id-2.-create-configuration-file" id="id-2.-create-configuration-file"></a>

Create a **chain\_config.toml** with the following options:

{% code overflow="wrap" lineNumbers="true" %}

```
#Enode Pointing
bootnodes=["enode://1fd6bfa1ac606ab3cdbbbacef1b27a1e38b0ac54d5c1a361d07a27211b54b4817aa9b14e596f23c7020d246998f5224ae18882b181dad2ee940d774a085eb7bd@157.245.21.183:30303","enode://5bca2ebdd0f8e6eb7d916ac92edd3a3ca9f18f99c869c2df703c0457d572b3f7baa8e70880a751204988d97d90fe0566ac5917603981248121e3fc428dee25aa@157.230.28.40:30303","enode://99f9371e0469d486b2c2489de3a7df65dc11f0e7c6cbc4838f4862ac58383fca2f680c0989fd4264ccbae00d66cab20050363976b53b80bbc282c80036ba3f24@159.223.238.200:30303","enode://8f151bb869a67ccfb92a1bd522dd4ab689db6cfd1ce2ed13636b4d6a5fabffd0b12e6a18c2ab42bb0075ea74d74370764eea6b0343f6e56578399bdae2044823@178.62.212.166:30303"]


#Bitrock Genesis File
genesis-file="[PATH]/mainnet.json"

#Data directory
data-path="[PATH]/bitrock_node"

#Chain Configuration 
rpc-http-enabled=true
rpc-ws-enabled=true
host-allowlist=["*"]
sync-mode=["FULL"]
rpc-http-host=[IPHOST]
rpc-ws-host=[IPHOST]
rpc-http-cors-origins=["all"]
poa-block-txs-selection-max-time=["100"] 
rpc-http-max-active-connections=["1000"]
data-storage-format=["FOREST"]

#API Method
rpc-http-api=["ETH","NET","WEB3","TXPOOL","TRACE"]
rpc-ws-api=["ETH","NET","WEB3","TXPOOL","TRACE"]
```

{% endcode %}

### 3. Start Node <a href="#id-3.-start-node" id="id-3.-start-node"></a>

{% code overflow="wrap" lineNumbers="true" %}

```shell
besu --config-file=chain_config.toml
```

{% endcode %}

### 4. Run in a Service System <a href="#id-4.-run-node-as-a-service" id="id-4.-run-node-as-a-service"></a>

{% code overflow="wrap" lineNumbers="true" %}

```sh
nano /etc/systemd/system/bitrockfullnode.service
```

{% endcode %}

```
[Unit]
Description= bitrock full node 

[Service]
Type=simple
User=root
Restart=always
ExecStart=[PATH]/besu --config-file=[PATH]/chain_config.toml 

[Install]
WantedBy=default.target
```

### 5. Confirm Bitrock Network is Running <a href="#id-4.-run-node-as-a-service" id="id-4.-run-node-as-a-service"></a>

{% code overflow="wrap" lineNumbers="true" %}

```
curl -X POST --data '{"jsonrpc":"2.0","method":"eth_gasPrice","params":[],"id":53}' http://127.0.0.1:8545
```

{% endcode %}

Response:

{% code overflow="wrap" %}

```sh
{
  "jsonrpc" : "2.0",
  "id" : 53,
  "result" : "0x3e8"
}
```

{% endcode %}

<mark style="color:yellow;">Request to become a Validator:  <info@bit-rock.io></mark>


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