# Validator Node

## Validator Node Installation

#### Server preparation

```
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 1.24.1

```
cd $HOME
VER="1.24.1"
wget "https://golang.org/dl/go$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"
[ ! -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
```

***

## Build

```
cd $HOME && mkdir -p go/bin/
git clone https://github.com/celestiaorg/celestia-app.git 
cd celestia-app
git checkout 8.0.3-mocha
make install
```

```
celestia-appd version --long | grep -e commit -e version
```

> **Result**
>
> * **version:** 8.0.3-mocha
> * **commit:** 0fc10e0b

***

## Initiation

{% hint style="info" %}
Change \<moniker> to your value, moniker is the name of your validator.
{% endhint %}

```
celestia-appd init <moniker> --chain-id celestia
celestia-appd config chain-id celestia
```

***

## Create / recover wallet

{% hint style="info" %}
Change \<walletname> to the name of your wallet
{% endhint %}

```
celestia-appd keys add <walletname>
or
celestia-appd keys add <walletname> --recover
```

***

## Download genesis and addrbook

```
wget -O $HOME/.lava/config/genesis.json "https://raw.githubusercontent.com/Shoni-O/files/main/mainnet-files/lava/genesis.json"
wget -O $HOME/.lava/config/addrbook.json "https://raw.githubusercontent.com/Shoni-O/files/main/mainnet-files/lava/addrbook.json"
```

```
sha256sum $HOME/.lava/config/genesis.json
```

> **Result**
>
> * 5ba7dc9ac4ee0ea1776c8f13dc45be84ffc2ef3ffbe8271e30b573134ecd61ea

***

## Setup the minimum gas price and Peers

```
sed -i -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.000000001ulava\"/" $HOME/.lava/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.lava/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.lava/config/config.toml
sed -i \
  -e 's/timeout_commit = ".*"/timeout_commit = "30s"/g' \
  -e 's/timeout_propose = ".*"/timeout_propose = "1s"/g' \
  -e 's/timeout_precommit = ".*"/timeout_precommit = "1s"/g' \
  -e 's/timeout_precommit_delta = ".*"/timeout_precommit_delta = "500ms"/g' \
  -e 's/timeout_prevote = ".*"/timeout_prevote = "1s"/g' \
  -e 's/timeout_prevote_delta = ".*"/timeout_prevote_delta = "500ms"/g' \
  -e 's/timeout_propose_delta = ".*"/timeout_propose_delta = "500ms"/g' \
  -e 's/skip_timeout_commit = ".*"/skip_timeout_commit = false/g' \
  $HOME/.lava/config/config.toml
```

***

## Pruning (optional)

```
pruning="custom"
pruning_keep_recent="10000"
pruning_keep_every="0"
pruning_interval="1000"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.lava/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.lava/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.lava/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.lava/config/app.toml
```

## Create a service file

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

[Service]
User=$USER
ExecStart=$(which lavad) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

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

## Start

```
sudo systemctl daemon-reload
sudo systemctl enable lavad 
sudo systemctl restart lavad && sudo journalctl -fu lavad  -o cat
```

## Create validator

{% hint style="info" %}
Change walletName, YOUR\_MONIKER\_NAME, YOUR\_KEYBASE\_ID, YOUR\_DETAILS and YOUR\_WEBSITE\_URL to your values
{% endhint %}

```
lavad tx staking create-validator \
  --amount 1000000ulava \
  --from <walletName> \
  --commission-max-change-rate "0.01" \
  --commission-max-rate "0.20" \
  --commission-rate "0.05" \
  --min-self-delegation "1" \
  --pubkey  $(lavad tendermint show-validator) \
  --moniker YOUR_MONIKER_NAME \
  --chain-id lava-mainnet-1 \
  --identity="YOUR_KEYBASE_ID" \
  --details="YOUR_DETAILS" \
  --website="YOUR_WEBSITE_URL" -y
```

## Delete node

```
sudo systemctl stop lavad
sudo systemctl disable lavad
rm /etc/systemd/system/lavad.service
sudo systemctl daemon-reload
cd $HOME
rm -rf lava
rm -rf .lava
rm -rf $(which lavad)
```


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