run.sh

#!/bin/bash

# Initialize variables
script="neurons/validator.py"
generate_script="runnable/generate_request_outputs.py"
autoRunLoc=$(readlink -f "$0")
proc_name="ptn"
generate_proc_name="generate"
args=()
generate_args=() # Assuming no specific arguments to the generate script
version_location="meta/meta.json"
version=".subnet_version"
start_generate=false

old_args=$@

echo "$old_args"

# Check if pm2 is installed
if ! command -v pm2 &> /dev/null
then
    echo "pm2 could not be found. To install see: https://pm2.keymetrics.io/docs/usage/quick-start/"
    exit 1
fi

# Define your function for version comparison and other utilities here

# Checks if $1 is smaller than $2
version_less_than_or_equal() {
    [  "$1" = "`echo -e "$1\n$2" | sort -V | head -n1`" ]
}

# Checks if $1 is smaller than $2
version_less_than() {
    [ "$1" = "$2" ] && return 1 || version_less_than_or_equal $1 $2
}

get_version_difference() {
    local tag1="$1"
    local tag2="$2"

    # Extract the version numbers from the tags
    local version1=$(echo "$tag1" | sed 's/v//')
    local version2=$(echo "$tag2" | sed 's/v//')

    # Split the version numbers into an array
    IFS='.' read -ra version1_arr <<< "$version1"
    IFS='.' read -ra version2_arr <<< "$version2"

    # Calculate the numerical difference
    local diff=0
    for i in "${!version1_arr[@]}"; do
        local num1=${version1_arr[$i]}
        local num2=${version2_arr[$i]}

        # Compare the numbers and update the difference
        if (( num1 > num2 )); then
            diff=$((diff + num1 - num2))
        elif (( num1 < num2 )); then
            diff=$((diff + num2 - num1))
        fi
    done

    strip_quotes $diff
}

check_package_installed() {
    local package_name="$1"
    os_name=$(uname -s)

    if [[ "$os_name" == "Linux" ]]; then
        # Use dpkg-query to check if the package is installed
        if dpkg-query -W -f='${Status}' "$package_name" 2>/dev/null | grep -q "installed"; then
            return 1
        else
            return 0
        fi
    elif [[ "$os_name" == "Darwin" ]]; then
         if brew list --formula | grep -q "^$package_name$"; then
            return 1
        else
            return 0
        fi
    else
        echo "Unknown operating system"
        return 0
    fi
}

check_variable_value_on_github() {
    local repo="$1"
    local file_path="$2"
    local variable_name="$3"
    local branch="$4"

    local url="https://api.github.com/repos/$repo/contents/$file_path?ref=$branch"
    local response=$(curl -s "$url")

    # Check if the response contains an error message
    if [[ $response =~ "message" ]]; then
        echo "Error: Failed to retrieve file contents from GitHub."
        return 1
    fi

    # Extract the base64 content and decode it
    json_content=$(echo "$response" | jq -r '.content' | base64 --decode)

    # Extract the "subnet_version" value using jq
    subnet_version=$(echo "$json_content" | jq -r '.subnet_version')

    # Print the value
    echo "$subnet_version"
}

strip_quotes() {
    local input="$1"

    # Remove leading and trailing quotes using parameter expansion
    local stripped="${input#\"}"
    stripped="${stripped%\"}"

    echo "$stripped"
}

read_version_value() {
    jq -r $version "$version_location"
}

check_package_installed "jq"
if [ "$?" -ne 1 ]; then
    echo "Missing 'jq'. Please install it first."
    exit 1
fi

if [ ! -d "./.git" ]; then
    echo "This installation does not seem to be a Git repository. Please install from source."
    exit 1
fi

# Loop through all command line arguments
# Similar logic to handle script arguments; adjust as necessary

while [[ $# -gt 0 ]]; do
  arg="$1"

  if [[ "$arg" == -* ]]; then
    if [[ $# -gt 1 && "$2" != -* ]]; then
      if [[ "$arg" == "--script" ]]; then
        script="$2";
        shift 2
      elif [[ "$arg" == "--start-generate" ]]; then
        start_generate=true
        shift
      else
        args+=("$arg")
        args+=("$2")
        shift 2
      fi
    else
      if [[ "$arg" == "--start-generate" ]]; then
        start_generate=true
      else
        args+=("$arg")
      fi
      shift
    fi
  else
    args+=("$arg")
    shift
  fi
done

branch=$(git branch --show-current)
echo "Watching branch: $branch"
echo "PM2 process names: $proc_name, $generate_proc_name"

current_version=$(read_version_value)

# Function to check and restart pm2 processes
check_and_restart_pm2() {
    local proc_name=$1
    local script_path=$2
    local proc_args=("${!3}")

    if pm2 status | grep -q $proc_name; then
        echo "The script $script_path is already running with pm2 under the name $proc_name. Stopping and restarting..."
        pm2 delete $proc_name
    fi

    echo "Running $script_path with the following pm2 config:"

    joined_args=$(printf "'%s'," "${proc_args[@]}")
    joined_args=${joined_args%,}

    echo "module.exports = {
      apps : [{
        name   : '$proc_name',
        script : '$script_path',
        interpreter: 'python3',
        min_uptime: '5m',
        max_restarts: '5',
        args: [$joined_args]
      }]
    }" > $proc_name.app.config.js

    cat $proc_name.app.config.js
    pm2 start $proc_name.app.config.js
}

# Initial call to start both processes before entering the update loop
pip install -e .
check_and_restart_pm2 "$proc_name" "$script" args[@]
if [ "$start_generate" = true ]; then
    check_and_restart_pm2 "$generate_proc_name" "$generate_script" generate_args[@]
fi

# Continuous checking and updating logic
while true; do
    # Check if current minute is divisible by 30
    current_minute=$(date +'%M')
    if [[ "$current_minute" != "07" && "$current_minute" != "37" ]]; then
        sleep 1 # Sleep for one second and check again
        continue
    fi

    # Proceed with checks only at the 30-minute mark
    latest_version=$(check_variable_value_on_github "taoshidev/proprietary-trading-network" $version_location $version $branch)

    while [ -z "$latest_version" ]; do
        echo "Waiting for latest version to be set..."
        sleep 1
    done

    echo "Latest version: $latest_version"
    latest_version="${latest_version#"${latest_version%%[![:space:]]*}"}"
    current_version="${current_version#"${current_version%%[![:space:]]*}"}"

    if [ -n "$latest_version" ] && ! echo "$latest_version" | grep -q "Error" && version_less_than $current_version $latest_version; then
        echo "Updating due to version mismatch. Current: $current_version, Latest: $latest_version"
        if git pull origin $branch; then
            echo "New version published. Updating the local copy."
            pip install -e .
            check_and_restart_pm2 "$proc_name" "$script" args[@]
            if [ "$start_generate" = true ]; then
                check_and_restart_pm2 "$generate_proc_name" "$generate_script" generate_args[@]
            fi
            current_version=$(read_version_value)
            echo "Update completed. Continuing monitoring..."
        else
            echo "Please stash your changes using git stash."
        fi
    else
        echo "You are up-to-date with the latest version."
    fi
    sleep 300
done