# Installation

**Chain ID**: zgtendermint\_16600-1 | **Latest Version Tag**:  | **Wasm**: 

## Installation

## Install dependencies

**Update system and install build tools**

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

**Install Go**

```
rm -rf $HOME/go
sudo rm -rf /usr/local/go
cd $HOME
curl https://dl.google.com/go/go1.19.5.linux-amd64.tar.gz | sudo tar -C/usr/local -zxvf -
cat <<'EOF' >>$HOME/.profile
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export GO111MODULE=on
export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
EOF
source $HOME/.profile
go version
```

**Set Variable**

```
echo "export AIRCHAIN_WALLET="YOUR WALLET NAME"" >> $HOME/.bash_profile
echo "export AIRCHAIN_MONIKER="YOUR NODE NAME"" >> $HOME/.bash_profile
echo "export AIRCHAIN_CHAIN_ID="junction"" >> $HOME/.bash_profile
echo "export AIRCHAIN_PORT="33"" >> $HOME/.bash_profile
source $HOME/.bash_profile
```

**Download and build binaries**

```
cd $HOME
wget -O junctiond https://github.com/airchains-network/junction/releases/download/v0.1.0/junctiond
chmod +x junctiond
mv junctiond $HOME/go/bin/
```

Set config and init app

```
junctiond init $MONIKER --chain-id $AIRCHAIN_CHAIN_ID 
sed -i -e "s|^node *=.*|node = \"tcp://localhost:${AIRCHAIN_PORT}657\"|" $HOME/.junction/config/client.toml
```

#### Set genesis and address book

```
wget https://github.com/airchains-network/junction/releases/download/v0.1.0/genesis.json
cp genesis.json ~/.junction/config/genesis.json
```

#### Set custom ports in app.toml

```
sed -i.bak -e "s%:1317%:${AIRCHAIN_PORT}317%g;
s%:8080%:${AIRCHAIN_PORT}080%g;
s%:9090%:${AIRCHAIN_PORT}090%g;
s%:9091%:${AIRCHAIN_PORT}091%g;
s%:8545%:${AIRCHAIN_PORT}545%g;
s%:8546%:${AIRCHAIN_PORT}546%g;
s%:6065%:${AIRCHAIN_PORT}065%g" $HOME/.junction/config/app.toml
```

#### Set custom ports in config.toml

```
sed -i.bak -e "s%:26658%:${AIRCHAIN_PORT}658%g;
s%:26657%:${AIRCHAIN_PORT}657%g;
s%:6060%:${AIRCHAIN_PORT}060%g;
s%:26656%:${AIRCHAIN_PORT}656%g;
s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):${AIRCHAIN_PORT}656\"%;
s%:26660%:${AIRCHAIN_PORT}660%g" $HOME/.junction/config/config.toml
```

#### Config pruning

```
sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.junction/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.junction/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"50\"/" $HOME/.junction/config/app.toml
```

#### Set minimum gas price, enable prometheus and disable indexing

```
sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.001amf"|g' $HOME/.junction/config/app.toml
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.junction/config/config.toml
sed -i -e "s/^indexer *=.*/indexer = \"null\"/" $HOME/.junction/config/config.toml

```

#### Create a service

```
sudo tee /etc/systemd/system/junctiond.service > /dev/null <<EOF

[Unit]
Description=Airchains node
After=network-online.target

[Service]
User=$USER
WorkingDirectory=$HOME/.junction
ExecStart=$(which junctiond) start --home $HOME/.junction
Restart=on-failure
RestartSec=5
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

```

#### Start service and check the logs

```
sudo systemctl daemon-reload
sudo systemctl enable junctiond
sudo systemctl restart junctiond && sudo journalctl -u junctiond -f
```


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