> For the complete documentation index, see [llms.txt](https://services.noderuner.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://services.noderuner.xyz/selfchain/installation.md).

# 🔌  Installation

### installation <a href="#id-2-manual-installation" id="id-2-manual-installation"></a>

```
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 <a href="#go-1.21.6" id="go-1.21.6"></a>

```
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  <a href="#build-21.03.25" id="build-21.03.25"></a>

```
cd $HOME && mkdir -p go/bin/
wget -O selfchaind https://server.noderuner.xyz/selfchain/selfchaind
chmod +x selfchaind
mv selfchaind /root/go/bin/
```

### Initiation <a href="#initiation" id="initiation"></a>

```
selfchaind init Moniker-Name --chain-id=selfchain-testnet
selfchaind config chain-id selfchain-testnet
```

#### Create/recover wallet <a href="#create-recover-wallet" id="create-recover-wallet"></a>

```
selfchaind keys add walletname
           OR
selfchaind keys add walletname --recover
```

#### Download Genesis and Addrbook <a href="#download-genesis-and-addrbook" id="download-genesis-and-addrbook"></a>

```
wget -L -O $HOME/.selfchain/config/genesis.json "https://server.noderuner.xyz/selfchain/genesis.json"
wget -O $HOME/.selfchain/config/addrbook.json "https://server.noderuner.xyz/selfchain/addrbook.json"
```

#### Set up the minimum gas price and Peers/Seeds <a href="#set-up-the-minimum-gas-price-and-peers-seeds-filter-peers-maxpeers" id="set-up-the-minimum-gas-price-and-peers-seeds-filter-peers-maxpeers"></a>

```
sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0uslf\"/;" ~/.selfchain/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.selfchain/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.selfchain/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.selfchain/config/config.toml
```

**Pruning (optional)**

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

**Indexer (optional)**

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

### Create a service file <a href="#create-a-service-file" id="create-a-service-file"></a>

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

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

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

#### Start <a href="#start" id="start"></a>

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

**Create validator**

```
selfchaind tx staking create-validator \
  --amount=1000000uslf \
  --pubkey=$(selfchaind tendermint show-validator) \
  --moniker="Moniker-Name" \
  --details="" \
  --identity="" \
  --website="" \
  --chain-id="selfchain-testnet" \
  --commission-rate="0.10" \
  --commission-max-rate="0.10" \
  --commission-max-change-rate="0.1" \
  --min-self-delegation="1" \
  --from=Yourwallet -y
```