# Node Installation

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

* **Minimum hardware requirements**:

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

## 1) Auto\_install script

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

## 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 28.05.25

```bash
cd $HOME && mkdir -p go/bin/
git clone https://github.com/elys-network/elys elys
cd elys
git checkout v6.0.0-rc0
make install
```

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

* version: v6.0.0-rc0
* commit: 2d1d398474dd130b91532892914b79330240d116

## Initiation

```python
elysd init STAVR_Guide --chain-id elysicstestnet-1
```

### Create/recover wallet

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

### Download Genesis

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

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

* 5df8b1f855b099bcc069daffee98ef2acfe1f6eb3b18b1dec6f237b4c0b20ee4

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

```bash
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"0.00025uelys,0.0018ibc/2180E84E20F5679FCC760D8C165B60F42065DEF7F46A72B447CFF1B7DC6C0A65,0.00025ibc/E2D2F6ADCC68AA3384B2F5DFACCA437923D137C14E86FB8A10207CF3BED0C8D4\"|" $HOME/.elys/config/app.toml
sed -i -e "s/^filter_peers *=.*/filter_peers = \"true\"/" $HOME/.elys/config/config.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.elys/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.elys/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.elys/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.elys/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.elys/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\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.elys/config/app.toml
```

#### Indexer (optional)

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

### Download addrbook

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

## Create a service file

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

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

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

## StateSync Elys Testnet

```bash
SOOON
```

## SnapShot Testnet updated every 5 hours

```bash
SOOON
```

### Start

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

#### Create validator

```bash
#pubkey
elysd tendermint show-validator --home /root/.elys
nano $HOME/.elys/validator.json
{
  "pubkey": {"#pubkey"},
  "amount": "1000000uelys",
  "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"
}
elysd tx staking create-validator $HOME/.elys/validator.json --from=WalletName --chain-id=elysicstestnet-1 --fees 100uelys -y
```

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


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