# installation

## Installation

The complete infrastructure for cross-chain smart contracts, applications, and modular functionality.

**Chain ID**: stratos-1 | **Latest Version Tag**: v0.11.2 | **Wasm**: OFF

[Website](https://www.thestratos.org) | [Discord](https://discord.gg/tpQGpC2nMh) | [Twitter](https://twitter.com/Stratos_Network)

### Chain explorer

<https://explorer.thestratos.org>

### Public endpoints

* rpc:&#x20;
* api:&#x20;

### Peering

**seed-node**

```
cdbd7ce27584e699d9b9e6d72a1551666c750e4d@35.86.41.142:26656,ce225e67f7a383b50c91aeb902a86dd3ecb70d65@34.84.212.13:26656
```

## Installation

**Chain ID**: stratos-1 | **Latest Version Tag**: v0.11.2 |

#### Install dependencies

**Update system and install build tools**

```bash
sudo apt -q update
sudo apt -qy install curl git jq lz4 build-essential tmux libgmp3-dev flex bison
sudo apt -qy upgrade
```

**Install PBC library**

```bash
wget https://crypto.stanford.edu/pbc/files/pbc-0.5.14.tar.gz
tar xfz pbc-0.5.14.tar.gz && cd pbc-0.5.14
./configure
make
sudo make install
sudo ldconfig
```

**Install Go**

```bash
sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.20.5.linux-amd64.tar.gz | sudo tar -xzf - -C /usr/local
eval $(echo 'export PATH=$PATH:/usr/local/go/bin' | sudo tee /etc/profile.d/golang.sh)
eval $(echo 'export PATH=$PATH:$HOME/go/bin' | tee -a $HOME/.profile)
```

**Download and build binaries**

```bash
# Clone project repository
cd $HOME
rm -rf stratos-chain
git clone https://github.com/stratosnet/stratos-chain.git
git checkout v0.11.2

# Build binaries
make install
stchaind version
```

**Initialize Node & Genesis**

```bash
stchaind init <NodeName> --chain-id=stratos-1
```

**Download Genesis**

```bash
curl -Ls wget https://raw.githubusercontent.com/stratosnet/mainnet/main/genesis/genesis.json > $HOME/.stchaind/config/genesis.json 
```

#### Create a service

```bash
sudo tee /etc/systemd/system/stchaind.service > /dev/null <<EOF
[Unit]
Description=stchaind Daemon
After=network-online.target
[Service]
User=$USER
ExecStart=$(which stchaind) start
Restart=always
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl daemon-reload
sudo systemctl enable stchaind
```

#### Initialize the node

```bash
# Set node configuration
stchaind config chain-id stratos-1
stchaind config keyring-backend file

# Add seeds
sed -i -e "s|^seeds *=.*|seeds = \"cdbd7ce27584e699d9b9e6d72a1551666c750e4d@35.86.41.142:26656,ce225e67f7a383b50c91aeb902a86dd3ecb70d65@34.84.212.13:26656\"|" $HOME/.stchaind/config/config.toml

# Set minimum gas price
sed -i -e "s|^minimum-gas-prices *=.*|minimum-gas-prices = \"1000000000wei\"|" $HOME/.stchaind/config/app.toml

# Set pruning
sed -i \
  -e 's|^pruning *=.*|pruning = "custom"|' \
  -e 's|^pruning-keep-recent *=.*|pruning-keep-recent = "100"|' \
  -e 's|^pruning-keep-every *=.*|pruning-keep-every = "0"|' \
  -e 's|^pruning-interval *=.*|pruning-interval = "19"|' \
  $HOME/.stchaind/config/app.toml
```

#### Snapshot (Nodestake.top❤)

```bash
SNAP_NAME=$(curl -s https://ss.stratos.nodestake.top/ | egrep -o ">20.*\.tar.lz4" | tr -d ">")
curl -o - -L https://ss.stratos.nodestake.top/${SNAP_NAME}  | lz4 -c -d - | tar -x -C $HOME/.stchaind
```

#### Start service and check the logs

```bash
sudo systemctl start stchaind && sudo journalctl -u stchaind -f --no-hostname -o cat
```


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