nexus.sh

#!/bin/bash

curl -s https://raw.githubusercontent.com/zunxbt/logo/main/logo.sh | bash
sleep 5

BOLD=$(tput bold)
NORMAL=$(tput sgr0)
PINK='\033[1;35m'


show() {
    case $2 in
        "error")
            echo -e "${PINK}${BOLD}❌ $1${NORMAL}"
            ;;
        "progress")
            echo -e "${PINK}${BOLD}⏳ $1${NORMAL}"
            ;;
        *)
            echo -e "${PINK}${BOLD}✅ $1${NORMAL}"
            ;;
    esac
}

SERVICE_NAME="nexus"
SERVICE_FILE="/etc/systemd/system/$SERVICE_NAME.service"

show "Installing Rust..." "progress"
if ! source <(wget -O - https://raw.githubusercontent.com/zunxbt/installation/main/rust.sh); then
    show "Failed to install Rust." "error"
    exit 1
fi

show "Updating package list..." "progress"
if ! sudo apt update; then
    show "Failed to update package list." "error"
    exit 1
fi

if ! command -v git &> /dev/null; then
    show "Git is not installed. Installing git..." "progress"
    if ! sudo apt install git -y; then
        show "Failed to install git." "error"
        exit 1
    fi
else
    show "Git is already installed."
fi

if [ -d "$HOME/network-api" ]; then
    show "Deleting existing repository..." "progress"
    rm -rf "$HOME/network-api"
fi

sleep 3

show "Cloning Nexus-XYZ network API repository..." "progress"
if ! git clone https://github.com/nexus-xyz/network-api.git "$HOME/network-api"; then
    show "Failed to clone the repository." "error"
    exit 1
fi

cd $HOME/network-api/clients/cli

show "Installing required dependencies..." "progress"
if ! sudo apt install pkg-config libssl-dev protobuf-compiler -y; then
    show "Failed to install dependencies." "error"
    exit 1
fi

if systemctl is-active --quiet nexus.service; then
    show "nexus.service is currently running. Stopping and disabling it..."
    sudo systemctl stop nexus.service
    sudo systemctl disable nexus.service
else
    show "nexus.service is not running."
fi

show "Creating systemd service..." "progress"
if ! sudo bash -c "cat > $SERVICE_FILE <<EOF
[Unit]
Description=Nexus XYZ Prover Service
After=network.target

[Service]
User=$USER
WorkingDirectory=$HOME/network-api/clients/cli
Environment=NONINTERACTIVE=1
ExecStart=$HOME/.cargo/bin/cargo run --release --bin prover -- beta.orchestrator.nexus.xyz
Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target
EOF"; then
    show "Failed to create the systemd service file." "error"
    exit 1
fi

show "Reloading systemd and starting the service..." "progress"
if ! sudo systemctl daemon-reload; then
    show "Failed to reload systemd." "error"
    exit 1
fi

if ! sudo systemctl start $SERVICE_NAME.service; then
    show "Failed to start the service." "error"
    exit 1
fi

if ! sudo systemctl enable $SERVICE_NAME.service; then
    show "Failed to enable the service." "error"
    exit 1
fi

show "Nexus Prover installation and service setup complete!"
show "You can check Nexus Prover logs using this command : journalctl -u nexus.service -fn 50"
echo