nixpkgs/nixos/tests/geth.nix

import ./make-test-python.nix ({ pkgs, ... }: {
  name = "geth";
  meta = with pkgs.lib; {
    maintainers = with maintainers; [bachp ];
  };

  nodes.machine = { ... }: {
    services.geth."mainnet" = {
      enable = true;
      http = {
        enable = true;
      };
    };
    services.geth."testnet" = {
      enable = true;
      port = 30304;
      network = "goerli";
      http = {
        enable = true;
        port = 18545;
      };
    };
  };

  testScript = ''
    start_all()

    machine.wait_for_unit("geth-mainnet.service")
    machine.wait_for_unit("geth-testnet.service")
    machine.wait_for_open_port(8545)
    machine.wait_for_open_port(18545)

    machine.succeed(
        'geth attach --exec eth.blockNumber http://localhost:8545 | grep \'^0$\' '
    )

    machine.succeed(
        'geth attach --exec "eth.chainId()" http://localhost:18545 | grep \'"0x5"\' '
    )
  '';
})