---
x-logging-defaults: &logging-defaults
  driver: json-file
  options:
    max-size: "512m"
    max-file: "2"

# Usage:
#
# mkdir rpc && cd rpc
#
# git init
# git remote add origin https://github.com/StakeSquid/ethereum-rpc-docker.git
# git fetch origin vibe
# git checkout origin/vibe
#
# docker run --rm alpine sh -c "printf '0x'; head -c32 /dev/urandom | xxd -p -c 64" > .jwtsecret
#
# env
# ...
# IP=$(curl ipinfo.io/ip)
# DOMAIN=${IP}.traefik.me
# COMPOSE_FILE=base.yml:rpc.yml:cronos/cronos/cronos-testnet-cronos-pruned.yml
#
# docker compose up -d
#
# curl -X POST https://${IP}.traefik.me/cronos-testnet \
#   -H "Content-Type: application/json" \
#   --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'

services:
  cronos-testnet:
    build:
      context: ./cronos
      dockerfile: cometbft.Dockerfile
      args:
        CRONOS_CRONOS_VERSION: ${CRONOS_TESTNET_CRONOS_VERSION:-v1.7.8}
    sysctls:
      # TCP Performance
      net.ipv4.tcp_slow_start_after_idle: 0       # Disable slow start after idle
      net.ipv4.tcp_no_metrics_save: 1             # Disable metrics cache
      net.ipv4.tcp_rmem: 4096 87380 16777216      # Increase TCP read buffers
      net.ipv4.tcp_wmem: 4096 87380 16777216      # Increase TCP write buffers
      net.core.somaxconn: 32768                   # Higher connection queue
      # Memory/Connection Management
      # net.core.netdev_max_backlog: 50000          # Increase network buffer
      net.ipv4.tcp_max_syn_backlog: 30000         # More SYN requests
      net.ipv4.tcp_max_tw_buckets: 2000000        # Allow more TIME_WAIT sockets
    ulimits:
      nofile: 1048576    # Max open files (for RPC/WS connections)
    user: root
    ports:
      - 10521:10521
      - 10521:10521/udp
    expose:
      - 8545
      - 8546
      - 6066
      - 26657
    environment:
      - API=eth,txpool,net,debug,web3
      - CHAINID=cronostestnet_338-3
      - EVM_MAX_TX_GAS_WANTED=500000
      - GENESIS_URL=https://raw.githubusercontent.com/crypto-org-chain/cronos-testnets/main/cronostestnet_338-3/genesis.json
      - IP=${IP}
      - JSON_RPC_BLOCK_RANGE_CAP=10000
      - JSON_RPC_ENABLE=true
      - JSON_RPC_ENABLE_INDEXER=true
      - JSON_RPC_FEEHISTORY_CAP=100
      - JSON_RPC_HTTP_TIMEOUT=30s
      - JSON_RPC_LOGS_CAP=10000
      - MIN_GAS=5000000000000basetcro
      - MONIKER=d${DOMAIN:-local}
      - P2P_PORT=10521
      - PRUNING=custom
      - PRUNING_INTERVAL=19
      - PRUNING_KEEP_RECENT=100
      - SEEDS=8fcba3485c67a2a00a383b6f45660a4ac529c6ca@52.77.30.18:26656,e65199bc579ffd89d7c021c5611f9f1c97f7ff13@54.251.209.254:26656,b8e6d6e16d236fa6a7101316d96de718200c500c@bd-cronos-testnet-seed-node-01.bdnodes.net:26656
      - STATESYNC_RPC=https://rpc-t3.cronos.org:443
    restart: unless-stopped
    stop_grace_period: 5m
    networks:
      - chains
    volumes:
      - ${CRONOS_TESTNET_CRONOS_PRUNED_DATA:-cronos-testnet-cronos-pruned}:/root/.cronos/data
      - /slowdisk:/slowdisk
      - cronos-testnet-cronos-pruned_config:/root/.cronos/config
    logging: *logging-defaults
    labels:
      - prometheus-scrape.enabled=true
      - prometheus-scrape.port=6066
      - prometheus-scrape.path=/metrics
      - traefik.enable=true
      - traefik.http.middlewares.cronos-testnet-cronos-pruned-stripprefix.stripprefix.prefixes=/cronos-testnet
      - traefik.http.services.cronos-testnet-cronos-pruned.loadbalancer.server.port=8545
      - ${NO_SSL:-traefik.http.routers.cronos-testnet-cronos-pruned.entrypoints=websecure}
      - ${NO_SSL:-traefik.http.routers.cronos-testnet-cronos-pruned.tls.certresolver=myresolver}
      - ${NO_SSL:-traefik.http.routers.cronos-testnet-cronos-pruned.rule=Host(`$DOMAIN`) && (Path(`/cronos-testnet`) || Path(`/cronos-testnet/`))}
      - ${NO_SSL:+traefik.http.routers.cronos-testnet-cronos-pruned.rule=Path(`/cronos-testnet`) || Path(`/cronos-testnet/`)}
      - traefik.http.routers.cronos-testnet-cronos-pruned.middlewares=cronos-testnet-cronos-pruned-stripprefix, ipallowlist
      - traefik.http.routers.cronos-testnet-cronos-pruned.priority=50   # gets any request that is not GET with UPGRADE header
      - traefik.http.routers.cronos-testnet-cronos-pruned-ws.priority=100   # answers GET requests first
      - traefik.http.services.cronos-testnet-cronos-pruned-ws.loadbalancer.server.port=8546
      - traefik.http.routers.cronos-testnet-cronos-pruned-ws.service=cronos-testnet-cronos-pruned-ws
      - traefik.http.routers.cronos-testnet-cronos-pruned.service=cronos-testnet-cronos-pruned
      - ${NO_SSL:-traefik.http.routers.cronos-testnet-cronos-pruned-ws.entrypoints=websecure}
      - ${NO_SSL:-traefik.http.routers.cronos-testnet-cronos-pruned-ws.tls.certresolver=myresolver}
      # case-insensitive Upgrade: python websocket-client sends "WebSocket" (capital W)
      - ${NO_SSL:-traefik.http.routers.cronos-testnet-cronos-pruned-ws.rule=Host(`$DOMAIN`) && (Path(`/cronos-testnet`) || Path(`/cronos-testnet/`)) && HeadersRegexp(`Upgrade`, `(?i)websocket`)}
      - ${NO_SSL:+traefik.http.routers.cronos-testnet-cronos-pruned-ws.rule=(Path(`/cronos-testnet`) || Path(`/cronos-testnet/`)) && HeadersRegexp(`Upgrade`, `(?i)websocket`)}
      - traefik.http.routers.cronos-testnet-cronos-pruned-ws.middlewares=cronos-testnet-cronos-pruned-stripprefix, ipallowlist

volumes:
  cronos-testnet-cronos-pruned:
  cronos-testnet-cronos-pruned_config:

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