---

services:
  ethereum-classic-mainnet-client:
    image: ${ETHEREUM_CLASSIC_BESU_IMAGE:-hyperledger/besu}:${ETHEREUM_CLASSIC_MAINNET_BESU_VERSION:-25.4.1}
    sysctls:
      # TCP Performance
      net.ipv4.tcp_slow_start_after_idle: 0       # Disable slow start after idle
      net.ipv4.tcp_no_metrics_save: 1             # Disable metrics cache
      net.ipv4.tcp_rmem: 4096 87380 16777216      # Increase TCP read buffers
      net.ipv4.tcp_wmem: 4096 87380 16777216      # Increase TCP write buffers
      net.core.somaxconn: 32768                   # Higher connection queue
      # Memory/Connection Management
      # net.core.netdev_max_backlog: 50000          # Increase network buffer
      net.ipv4.tcp_max_syn_backlog: 30000         # More SYN requests
      net.ipv4.tcp_max_tw_buckets: 2000000        # Allow more TIME_WAIT sockets
    ulimits:
      nofile: 1048576    # Max open files (for RPC/WS connections)
    user: root
    ports:
      - 14038:14038
      - 14038:14038/udp
    expose:
      - 8545
      - 8546
    command:
      - --Xbonsai-full-flat-db-enabled=true
      - --data-path=/opt/besu/database
      - --data-storage-format=BONSAI
      - --fast-sync-min-peers=1
      - --host-allowlist=*
      - --network=mainnet
      - --p2p-host=${IP}
      - --p2p-port=14038
      - --rpc-http-api=ETH,NET,WEB3,DEBUG,ADMIN,TXPOOL
      - --rpc-http-enabled=true
      - --rpc-http-host=0.0.0.0
      - --rpc-http-max-active-connections=20000
      - --rpc-http-port=8545
      - --rpc-ws-api=ETH,NET,WEB3,DEBUG,ADMIN,TXPOOL
      - --rpc-ws-enabled=true
      - --rpc-ws-host=0.0.0.0
      - --rpc-ws-port=8546
      - --sync-mode=SNAP
    restart: unless-stopped
    stop_grace_period: 5m
    networks:
      - chains
    volumes:
      - ${ETHEREUM_CLASSIC_MAINNET_BESU_PRUNED_BONSAI_DATA:-ethereum-classic-mainnet-besu-pruned-bonsai}:/opt/besu/database
      - /slowdisk:/slowdisk

  ethereum-classic-mainnet:
    image: nginx
    environment:
      PROXY_HOST: ethereum-classic-mainnet-client
      RPC_PATH: ''
      RPC_PORT: 8545
      WS_PATH: ''
      WS_PORT: 8546
    restart: unless-stopped
    depends_on:
      - ethereum-classic-mainnet-client
    networks:
      - chains
    volumes:
      - ./nginx-proxy:/etc/nginx/templates
    labels:
      - traefik.enable=true
      - traefik.http.middlewares.ethereum-classic-mainnet-besu-pruned-bonsai-stripprefix.stripprefix.prefixes=/ethereum-classic-mainnet
      - traefik.http.services.ethereum-classic-mainnet-besu-pruned-bonsai.loadbalancer.server.port=80
      - ${NO_SSL:-traefik.http.routers.ethereum-classic-mainnet-besu-pruned-bonsai.entrypoints=websecure}
      - ${NO_SSL:-traefik.http.routers.ethereum-classic-mainnet-besu-pruned-bonsai.tls.certresolver=myresolver}
      - ${NO_SSL:-traefik.http.routers.ethereum-classic-mainnet-besu-pruned-bonsai.rule=Host(`$DOMAIN`) && (Path(`/ethereum-classic-mainnet`) || Path(`/ethereum-classic-mainnet/`))}
      - ${NO_SSL:+traefik.http.routers.ethereum-classic-mainnet-besu-pruned-bonsai.rule=Path(`/ethereum-classic-mainnet`) || Path(`/ethereum-classic-mainnet/`)}
      - traefik.http.routers.ethereum-classic-mainnet-besu-pruned-bonsai.middlewares=ethereum-classic-mainnet-besu-pruned-bonsai-stripprefix, ipallowlist

volumes:
  ethereum-classic-mainnet-besu-pruned-bonsai:

x-upstreams:
  - id: $${ID}
    labels:
      provider: $${PROVIDER}
    connection:
      generic:
        rpc:
          url: $${RPC_URL}
        ws:
          frameSize: 20Mb
          msgSize: 50Mb
          url: $${WS_URL}
    chain: ethereum-classic
    method-groups:
      enabled:
        - debug
        - filter
    methods:
      disabled:
      enabled:
        - name: txpool_content # TODO: should be disabled for rollup nodes
...