super_ball_thrower/watch_relays.sh

#!/bin/bash

# Colors for output
GREEN='\033[0;32m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color

# Configuration
CONFIG_FILE="config.json"
OUR_PUBKEY=""
RELAYS=()

show_usage() {
    echo "Superball Relay Watcher - Simple JSON Display"
    echo ""
    echo "Usage:"
    echo "  $0 [options]"
    echo ""
    echo "Options:"
    echo "  -c, --config <file>   Config file path (default: config.json)"
    echo "  -h, --help            Show this help message"
    echo ""
    echo "Watches all relays from config.json for:"
    echo "  - All events from our thrower (pubkey from config.json)"
    echo "  - Kind 0 (Metadata), Kind 10002 (Relay List)"
    echo "  - Kind 12222 (Thrower Info), Kind 22222 (Routing)"
}

while [[ $# -gt 0 ]]; do
    case $1 in
        -c|--config)
            CONFIG_FILE="$2"
            shift 2
            ;;
        -h|--help)
            show_usage
            exit 0
            ;;
        *)
            echo "Unknown option: $1"
            show_usage
            exit 1
            ;;
    esac
done

# Check if nak is installed
if ! command -v nak &> /dev/null; then
    echo "Error: 'nak' command not found"
    echo "Please install nak: https://github.com/fiatjaf/nak"
    exit 1
fi

# Check if jq is installed
if ! command -v jq &> /dev/null; then
    echo "Error: 'jq' command not found"
    exit 1
fi

# Load config.json if it exists
if [[ -f "$CONFIG_FILE" ]]; then
    echo -e "${BLUE}Loading configuration from $CONFIG_FILE...${NC}"
    
    # Extract private key and derive public key
    PRIVATE_KEY=$(jq -r '.thrower.privateKey // empty' "$CONFIG_FILE")
    if [[ -n "$PRIVATE_KEY" ]]; then
        OUR_PUBKEY=$(echo "$PRIVATE_KEY" | nak key public)
        if [[ -n "$OUR_PUBKEY" ]]; then
            echo -e "${GREEN}✓ Our thrower pubkey: ${OUR_PUBKEY:0:16}...${NC}"
        fi
    fi
    
    # Get all relays from config
    mapfile -t RELAYS < <(jq -r '.relays[].url' "$CONFIG_FILE")
    if [[ ${#RELAYS[@]} -gt 0 ]]; then
        echo -e "${GREEN}✓ Loaded ${#RELAYS[@]} relay(s) from config${NC}"
        for relay in "${RELAYS[@]}"; do
            echo -e "  - $relay"
        done
    fi
    
    echo ""
fi

if [[ ${#RELAYS[@]} -eq 0 ]]; then
    echo "Error: No relays found in config.json"
    exit 1
fi

if [[ -z "$OUR_PUBKEY" ]]; then
    echo "Warning: Could not derive pubkey from config.json"
    echo "Will only show kinds 0, 10002, 12222, 22222"
    echo ""
fi

echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
if [[ -n "$OUR_PUBKEY" ]]; then
    echo -e "${BLUE}Watching:${NC}   Events from ${OUR_PUBKEY:0:16}... + kinds 0, 10002, 12222, 22222"
else
    echo -e "${BLUE}Watching:${NC}   Kinds 0, 10002, 12222, 22222"
fi
echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo ""
echo -e "${GREEN}Listening for events... (Press Ctrl+C to stop)${NC}"
echo ""

# Build two separate nak commands:
# 1. Watch for kinds 12222 and 22222 from anyone
NAK_CMD1="nak req --stream -k 12222 -k 22222"
for relay in "${RELAYS[@]}"; do
    NAK_CMD1="$NAK_CMD1 $relay"
done

# 2. Watch for all events from our thrower (if we have the pubkey)
NAK_CMD2=""
if [[ -n "$OUR_PUBKEY" ]]; then
    NAK_CMD2="nak req --stream -a $OUR_PUBKEY"
    for relay in "${RELAYS[@]}"; do
        NAK_CMD2="$NAK_CMD2 $relay"
    done
fi

# Combine both subscriptions and stream events
{
    if [[ -n "$NAK_CMD2" ]]; then
        # Run both subscriptions in parallel, merge output
        eval "$NAK_CMD1" 2>/dev/null &
        eval "$NAK_CMD2" 2>/dev/null
    else
        # Only run the first subscription
        eval "$NAK_CMD1" 2>/dev/null
    fi
} | while IFS= read -r line; do
    # Skip non-JSON lines
    if echo "$line" | jq empty 2>/dev/null; then
        # Check if it's an event array ["EVENT", "sub_id", {...}]
        if echo "$line" | jq -e '.[0] == "EVENT"' > /dev/null 2>&1; then
            event=$(echo "$line" | jq '.[2]')
            
            # Get event details
            kind=$(echo "$event" | jq -r '.kind')
            pubkey=$(echo "$event" | jq -r '.pubkey')
            id=$(echo "$event" | jq -r '.id')
            
            # Check if it's from our thrower
            is_ours=""
            if [[ -n "$OUR_PUBKEY" && "$pubkey" == "$OUR_PUBKEY" ]]; then
                is_ours=" ${GREEN}[OUR THROWER]${NC}"
            fi
            
            # Display separator and event info
            echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
            echo -e "${BLUE}Kind ${kind} | ID: ${id:0:16}...${is_ours}${NC}"
            echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
            
            # Display formatted JSON
            echo "$event" | jq '.'
            echo ""
            
        # Or if it's a direct event object
        elif echo "$line" | jq -e '.kind' > /dev/null 2>&1; then
            kind=$(echo "$line" | jq -r '.kind')
            pubkey=$(echo "$line" | jq -r '.pubkey')
            id=$(echo "$line" | jq -r '.id')
            
            # Check if it's from our thrower
            is_ours=""
            if [[ -n "$OUR_PUBKEY" && "$pubkey" == "$OUR_PUBKEY" ]]; then
                is_ours=" ${GREEN}[OUR THROWER]${NC}"
            fi
            
            # Display separator and event info
            echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
            echo -e "${BLUE}Kind ${kind} | ID: ${id:0:16}...${is_ours}${NC}"
            echo -e "${CYAN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
            
            # Display formatted JSON
            echo "$line" | jq '.'
            echo ""
        fi
    fi
done