commit 3ec9637a059d310f68c1014f946adacd97c89394 · pyrox.dev/nixpkgs

nixos/modules/module-list.nix

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         ./services/backup/tsm.nix

     

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         ./services/backup/zfs-replication.nix

     

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         ./services/backup/znapzend.nix

     

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         ./services/blockchain/ethereum/geth.nix

     

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         ./services/cluster/hadoop/default.nix

     

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         ./services/cluster/k3s/default.nix

     

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         ./services/cluster/kubernetes/addons/dns.nix

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nixos/modules/services/blockchain/ethereum/geth.nix

···

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       { config, lib, pkgs, ... }:

     

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       with lib;

     

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       let

     

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         eachGeth = config.services.geth;

     

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         gethOpts = { config, lib, name, ...}: {

     

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           options = {

     

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             enable = lib.mkEnableOption "Go Ethereum Node";

     

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             port = mkOption {

     

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               type = types.port;

     

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               default = 30303;

     

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               description = "Port number Go Ethereum will be listening on, both TCP and UDP.";

     

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             };

     

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             http = {

     

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               enable = lib.mkEnableOption "Go Ethereum HTTP API";

     

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               address = mkOption {

     

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                 type = types.str;

     

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                 default = "127.0.0.1";

     

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                 description = "Listen address of Go Ethereum HTTP API.";

     

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               };

     

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               port = mkOption {

     

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                 type = types.port;

     

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                 default = 8545;

     

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                 description = "Port number of Go Ethereum HTTP API.";

     

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               };

     

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               apis = mkOption {

     

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                 type = types.nullOr (types.listOf types.str);

     

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                 default = null;

     

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                 description = "APIs to enable over WebSocket";

     

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                 example = ["net" "eth"];

     

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               };

     

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             };

     

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             websocket = {

     

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               enable = lib.mkEnableOption "Go Ethereum WebSocket API";

     

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               address = mkOption {

     

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                 type = types.str;

     

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                 default = "127.0.0.1";

     

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                 description = "Listen address of Go Ethereum WebSocket API.";

     

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               };

     

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               port = mkOption {

     

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                 type = types.port;

     

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                 default = 8546;

     

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                 description = "Port number of Go Ethereum WebSocket API.";

     

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               };

     

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               apis = mkOption {

     

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                 type = types.nullOr (types.listOf types.str);

     

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                 default = null;

     

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                 description = "APIs to enable over WebSocket";

     

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                 example = ["net" "eth"];

     

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               };

     

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             };

     

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             metrics = {

     

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               enable = lib.mkEnableOption "Go Ethereum prometheus metrics";

     

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               address = mkOption {

     

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                 type = types.str;

     

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                 default = "127.0.0.1";

     

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                 description = "Listen address of Go Ethereum metrics service.";

     

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               };

     

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               port = mkOption {

     

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                 type = types.port;

     

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                 default = 6060;

     

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                 description = "Port number of Go Ethereum metrics service.";

     

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               };

     

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             };

     

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             network = mkOption {

     

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               type = types.nullOr (types.enum [ "goerli" "rinkeby" "yolov2" "ropsten" ]);

     

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               default = null;

     

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               description = "The network to connect to. Mainnet (null) is the default ethereum network.";

     

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             };

     

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             syncmode = mkOption {

     

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               type = types.enum [ "fast" "full" "light" ];

     

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               default = "fast";

     

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               description = "Blockchain sync mode.";

     

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             };

     

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             gcmode = mkOption {

     

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               type = types.enum [ "full" "archive" ];

     

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               default = "full";

     

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               description = "Blockchain garbage collection mode.";

     

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             };

     

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             maxpeers = mkOption {

     

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               type = types.int;

     

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               default = 50;

     

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               description = "Maximum peers to connect to.";

     

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             };

     

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             extraArgs = mkOption {

     

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               type = types.listOf types.str;

     

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               description = "Additional arguments passed to Go Ethereum.";

     

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               default = [];

     

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             };

     

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             package = mkOption {

     

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               default = pkgs.go-ethereum.geth;

     

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               type = types.package;

     

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               description = "Package to use as Go Ethereum node.";

     

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             };

     

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           };

     

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         };

     

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       in

     

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       {

     

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         ###### interface

     

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         options = {

     

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           services.geth = mkOption {

     

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             type = types.attrsOf (types.submodule gethOpts);

     

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             default = {};

     

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             description = "Specification of one or more geth instances.";

     

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           };

     

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         };

     

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         ###### implementation

     

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         config = mkIf (eachGeth != {}) {

     

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           environment.systemPackages = flatten (mapAttrsToList (gethName: cfg: [

     

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             cfg.package

     

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           ]) eachGeth);

     

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           systemd.services = mapAttrs' (gethName: cfg: (

     

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             nameValuePair "geth-${gethName}" (mkIf cfg.enable {

     

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             description = "Go Ethereum node (${gethName})";

     

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             wantedBy = [ "multi-user.target" ];

     

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             after = [ "network.target" ];

     

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             serviceConfig = {

     

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               DynamicUser = true;

     

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               Restart = "always";

     

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               StateDirectory = "goethereum/${gethName}/${if (cfg.network == null) then "mainnet" else cfg.network}";

     

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               # Hardening measures

     

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               PrivateTmp = "true";

     

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               ProtectSystem = "full";

     

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               NoNewPrivileges = "true";

     

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               PrivateDevices = "true";

     

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               MemoryDenyWriteExecute = "true";

     

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             };

     

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             script = ''

     

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               ${cfg.package}/bin/geth \

     

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                 --nousb \

     

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                 --ipcdisable \

     

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                 ${optionalString (cfg.network != null) ''--${cfg.network}''} \

     

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                 --syncmode ${cfg.syncmode} \

     

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                 --gcmode ${cfg.gcmode} \

     

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                 --port ${toString cfg.port} \

     

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                 --maxpeers ${toString cfg.maxpeers} \

     

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                 ${if cfg.http.enable then ''--http --http.addr ${cfg.http.address} --http.port ${toString cfg.http.port}'' else ""} \

     

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                 ${optionalString (cfg.http.apis != null) ''--http.api ${lib.concatStringsSep "," cfg.http.apis}''} \

     

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                 ${if cfg.websocket.enable then ''--ws --ws.addr ${cfg.websocket.address} --ws.port ${toString cfg.websocket.port}'' else ""} \

     

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                 ${optionalString (cfg.websocket.apis != null) ''--ws.api ${lib.concatStringsSep "," cfg.websocket.apis}''} \

     

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                 ${optionalString cfg.metrics.enable ''--metrics --metrics.addr ${cfg.metrics.address} --metrics.port ${toString cfg.metrics.port}''} \

     

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                 ${lib.escapeShellArgs cfg.extraArgs} \

     

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                 --datadir /var/lib/goethereum/${gethName}/${if (cfg.network == null) then "mainnet" else cfg.network}

     

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             '';

     

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           }))) eachGeth;

     

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         };

     

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       }

+41

nixos/tests/geth.nix

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       import ./make-test-python.nix ({ pkgs, ... }: {

     

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         name = "geth";

     

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         meta = with pkgs.lib; {

     

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           maintainers = with maintainers; [bachp ];

     

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         };

     

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         machine = { ... }: {

     

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           services.geth."mainnet" = {

     

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             enable = true;

     

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             http = {

     

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               enable = true;

     

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             };

     

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           };

     

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           services.geth."testnet" = {

     

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             enable = true;

     

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             port = 30304;

     

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             network = "goerli";

     

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             http = {

     

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               enable = true;

     

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               port = 18545;

     

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             };

     

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           };

     

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         };

     

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         testScript = ''

     

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           start_all()

     

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           machine.wait_for_unit("geth-mainnet.service")

     

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           machine.wait_for_unit("geth-testnet.service")

     

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           machine.wait_for_open_port(8545)

     

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           machine.wait_for_open_port(18545)

     

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           machine.succeed(

     

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               'geth attach --exec "eth.chainId()" http://localhost:8545 | grep \'"0x0"\' '

     

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           )

     

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           machine.succeed(

     

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

     

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           )

     

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         '';

     

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       })