# Node Installation

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

* **Minimum hardware requirements**:

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

## 1) Auto\_install script

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

## 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 1.21.6

```bash
ver="1.21.6"
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 09.08.24

```bash
cd $HOME && mkdir -p go/bin/
git clone https://github.com/aura-nw/aura
wget https://github.com/aura-nw/aura/releases/download/v0.9.3-euphoria/aurad
chmod +x aurad
mv aurad $HOME/go/bin/
```

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

* version: v0.9.3-euphoria
* commit: d3e717e44a2b9fadf3c19ec6a8bc2a98e2bac470

## Initiation

```python
aurad init STAVR_guide --chain-id=aura_6321-3
aurad config chain-id aura_6321-3
```

### Create/recover wallet

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

### Download Genesis

```python
wget https://aura-network.s3.ap-southeast-1.amazonaws.com/aura_6321-3-genesis.tar.gz
tar -xzvf aura_6321-3-genesis.tar.gz
mv aura_6321-3-genesis.json $HOME/.aura/config/genesis.json
```

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

* 77c2a40672da669c6a443d5c4ee54e8d5f9399311f60a544558fb72fa60c274d

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

```bash
sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.001uaura\"/;" ~/.aura/config/app.toml
external_address=$(wget -qO- eth0.me)
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.aura/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.aura/config/config.toml
seeds="705e3c2b2b554586976ed88bb27f68e4c4176a33@52.76.203.126:26656"
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.aura/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.aura/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.aura/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\"/" $HOME/.aura/config/app.toml &&
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.aura/config/app.toml &&
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.aura/config/app.toml &&
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.aura/config/app.toml
```

#### Indexer (optional)

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

### Download addrbook

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

## Create a service file

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

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

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

## StateSync Aura Testnet

```bash
SOOON
```

## SnapShot Testnet updated every 5 hours

```bash
SOOON
```

### Start

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

#### Create validator

```python
aurad tx staking create-validator \
--amount 1000000ueaura \
--from <walletName> \
--commission-max-change-rate "0.1" \
--commission-max-rate "0.2" \
--commission-rate "0.05" \
--min-self-delegation "1" \
--details="" \
--identity="" \
--pubkey  $(aurad tendermint show-validator) \
--moniker STAVR_guide \
--fees 555uaura \
--chain-id euphoria-2 -y
```

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


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