# Node Installation

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

* **Minimum hardware requirements**:

| Node Type | CPU | RAM | Storage |
| --------- | --- | --- | ------- |
| Testnet   | 4   | 8GB | 150GB   |

## 1) Auto\_install script

```bash
wget -O tellort https://raw.githubusercontent.com/111STAVR111/props/main/Tellor/tellort && chmod +x tellort && ./tellort
```

## 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

```bash
ver="1.23"
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 12.03.25

```bash
cd $HOME && mkdir -p go/bin/
git clone https://github.com/tellor-io/layer
cd layer
git checkout v3.0.4
make install
```

`layerd version --long | grep -e version -e commit`

* version: v3.0.4
* commit: 0f1046a0d35df404c01dcb29b09b275301982f45

## Initiation

```python
layerd init STAVR_guide --chain-id layertest-3
```

### Create/recover wallet

```bash
layerd keys add <walletname>
           OR
layerd keys add <walletname> --recover
```

### Download Genesis

```python
wget -O $HOME/.layer/config/genesis.json "https://raw.githubusercontent.com/111STAVR111/props/main/Tellor/genesis.json"
```

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

* 1639247cf3c14117dc9cb5b555500fd62fe55fbe9f0410e610f6daef02c53ec9

### Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers

```bash
sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.000025loya\"/;" ~/.layer/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.layer/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.layer/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.layer/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.layer/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.layer/config/config.toml
```

#### Pruning (optional)

```bash
pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.layer/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.layer/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.layer/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.layer/config/app.toml
```

#### Indexer (optional)

```bash
indexer="null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.layer/config/config.toml
```

### Download addrbook

```bash
wget -O $HOME/.layer/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Tellor/addrbook.json"
```

## Create a service file

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

[Service]
User=$USER
ExecStart=$(which layerd) start --home /root/.layer --key-name <name_wallet>
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

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

## StateSync Tellor Testnet

```bash
SOOOON
```

## SnapShot Testnet updated every 5 hours

```bash
SOOOON
```

### Start

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

#### Create validator

```python
#pubkey
layerd tendermint show-validator --home /root/.layer
cd $HOME
nano /root/.layer/validator.json
{
  "pubkey": {"#pubkey"},
  "amount": "1000000uttnt",
  "moniker": "STAVR_guide",
  "identity": "",
  "website": "",
  "security": "",
  "details": "",
  "commission-rate": "0.05",
  "commission-max-rate": "0.2",
  "commission-max-change-rate": "0.2",
  "min-self-delegation": "1"
}
layerd --home /root/.layer tx staking create-validator /root/.layer/validator.json --from WalletName --chain-id layertest-1 -y
```

## [🧩Services and Tools🧩](https://stavr-team.gitbook.io/nodes-guides/testnets/tellor/statesync-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
sudo systemctl stop layerd
sudo systemctl disable layerd
rm /etc/systemd/system/layerd.service
sudo systemctl daemon-reload
cd $HOME
rm -rf layer
rm -rf .layer
rm -rf $(which layerd)
```


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