update-peers.yml

name: Update peers

on:
  workflow_dispatch:

  schedule:
    - cron: "0 0 * * MON"

concurrency:
  group: update-peers-${{ github.ref }}
  cancel-in-progress: true

jobs:
  update-peers:
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        target:
          - node: "http://rpc.okp.ppnv.space:36657"
            chain: "nemeton-1"
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.OKP4_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v4

      - name: Import GPG key
        uses: crazy-max/ghaction-import-gpg@v5
        with:
          gpg_private_key: ${{ secrets.OKP4_BOT_GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.OKP4_BOT_GPG_PASSPHRASE }}
          git_config_global: true
          git_user_signingkey: true
          git_commit_gpgsign: true

      - name: Install requests
        run: |
          pip install requests

      - name: Display the path
        shell: python
        run: |
          import requests
          import json
          import re
          import os
          from ipaddress import ip_address, IPv4Address
          from enum import Enum

          class IPClass(Enum):
              IPv4 = 1
              IPv6 = 2
              Unknown = 3

          def ip_class(IP: str) -> IPClass:
              try:
                  return IPClass.IPv4 if type(ip_address(IP)) is IPv4Address else IPClass.IPv6
              except ValueError:
                  return IPClass.Unknown

          def get_peer_address(peer):
              peerId = peer['node_info']['id']
              _, _, listen_addr, listen_port, _ = re.split("(.+:\/\/)?(.+):(\d+)", peer['node_info']['listen_addr'])
              remoteIp = peer['remote_ip']

              match ip_class(remoteIp):
                  case IPClass.IPv4:
                      return f"{peerId}@{remoteIp}:{listen_port}"
                  case IPClass.IPv6:
                      return f"{peerId}[@{remoteIp}]:{listen_port}"
                  case _:
                      raise ValueError

          response = requests.get('${{ matrix.target.node }}/net_info?')
          json_response = json.loads(response.text)
          peers = map(
              get_peer_address,
              json_response['result']['peers'])

          os.makedirs(os.path.dirname("./chains/${{ matrix.target.chain }}/"), exist_ok=True)
          with open("./chains/${{ matrix.target.chain }}/peers.txt", 'w') as f:
              for value in peers:
                  f.write(value)
                  f.write('\n')

      - name: Add & Commit changes
        uses: EndBug/add-and-commit@v9
        with:
          message: "feat(networks): update peers list"
          author_name: ${{ secrets.OKP4_BOT_GIT_AUTHOR_NAME }}
          author_email: ${{ secrets.OKP4_BOT_GIT_AUTHOR_EMAIL }}
          committer_name: ${{ secrets.OKP4_BOT_GIT_COMMITTER_NAME }}
          committer_email: ${{ secrets.OKP4_BOT_GIT_COMMITTER_EMAIL }}
        env:
          GITHUB_TOKEN: ${{ secrets.OKP4_TOKEN }}