# Node Installation

## [EXPLORER](https://explorer.stavr.tech/Sao-Beta)

* **Minimum hardware requirements**:

| Node Type | CPU | RAM  | Storage |
| --------- | --- | ---- | ------- |
| Mainnet   | 8   | 16GB | 250GB   |

## 1) Auto\_install script

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

## 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 27.11.23

```bash
cd $HOME && mkdir -p go/bin/
git clone https://github.com/SaoNetwork/sao-consensus.git
cd sao-consensus
git checkout v0.1.9
make install
```

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

* version: 0.1.9
* commit: 79aed2f505b80bd37228ec458b97b055dcf37a5d

## Initiation

```python
saod init STAVR_guide --chain-id=sao-20230629
saod config chain-id sao-20230629
```

### Create/recover wallet

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

### Download Genesis

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

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

* 6fb4ae6e153970fed712ac3e0d893a8c3fafa0e5d6f5c0ac7bbab0d068dbbf4c

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

```bash
sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0usct\"/;" ~/.sao/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.sao/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.sao/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.sao/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.sao/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.sao/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\"/" $HOME/.sao/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.sao/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.sao/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.sao/config/app.toml
```

#### Indexer (optional)

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

### Download addrbook

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

## Create a service file

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

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

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

## StateSync Sao Mainnet

```bash
SOOON
```

## SnapShot Mainnet updated every 5 hours

```bash
SOOON
```

### Start

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

#### Create validator

```python
saod tx staking create-validator \
  --amount=1000000usct \
  --pubkey=$(saod tendermint show-validator) \
  --moniker="STAVR_guide" \
  --details="" \
  --identity="" \
  --website="" \
  --chain-id="sao-20230629" \
  --commission-rate="0.10" \
  --commission-max-rate="0.1" \
  --commission-max-change-rate="0.1" \
  --min-self-delegation="1" \
  --from=wallet -y
```

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


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