# Installation

**Chain ID**: crossfi-evm-testnet-1 | **Latest Version Tag**: 0.3.0-prebuild3 | **Wasm**: OFF

## Installation

## Install dependencies

**Setting up variable**

```
echo "export CROSSFI_CHAIN_ID=crossfi-evm-testnet-1" >> $HOME/.bash_profile
source $HOME/.bash_profile
```

**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 $HOME
curl https://dl.google.com/go/go1.21.4.linux-amd64.tar.gz | sudo tar -C/usr/local -zxvf -
cat <<'EOF' >>$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
```

**Download and build binaries**

```
cd $HOME
rm -rf crossfi
git clone  crossfi
cd crossfi
git checkout 0.3.0-prebuild3
make install
```

**Change your moniker**&#x20;

```
crossfid init <moniker> --chain-id crossfi-evm-testnet-1
```

**Download Genesis**

```
wget -O $HOME/.mineplex-chain/config/genesis.json https://testnet-files.itrocket.net/crossfi/genesis.json
wget -O $HOME/.mineplex-chain/config/addrbook.json https://testnet-files.itrocket.net/crossfi/addrbook.json
```

#### Set the prunning, prometheus, indexer and gas prices

```
PRUNING="custom"
PRUNING_KEEP_RECENT="100"
PRUNING_INTERVAL="19"

sed -i -e "s/^pruning *=.*/pruning = "$PRUNING"/" $HOME/.mineplex-chain/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = "$PRUNING_KEEP_RECENT"/" $HOME/.mineplex-chain/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = "$PRUNING_INTERVAL"/" $HOME/.mineplex-chain/config/app.toml
sed -i 's|^prometheus *=.*|prometheus = true|' $HOME/.mineplex-chain/config/config.toml
```

#### Create a service

```
sudo tee /etc/systemd/system/crossfid.service > /dev/null <<EOF
[Unit]
Description=crossfi testnet node
After=network-online.target

[Service]
User=$USER
ExecStart=$(which crossfid) start
Restart=always
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable crossfid
```

#### Start service and check the logs

```
sudo systemctl restart crossfid && sudo journalctl -fu crossfid -o cat
```


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