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| 1 | +{ config, lib, pkgs, ... }: |
| 2 | + |
| 3 | +with lib; |
| 4 | +let |
| 5 | + |
| 6 | + cfg = config.services.erigon; |
| 7 | + |
| 8 | + settingsFormat = pkgs.formats.toml { }; |
| 9 | + configFile = settingsFormat.generate "config.toml" cfg.settings; |
| 10 | +in { |
| 11 | + |
| 12 | + options = { |
| 13 | + services.erigon = { |
| 14 | + enable = mkEnableOption (lib.mdDoc "Ethereum implementation on the efficiency frontier"); |
| 15 | + |
| 16 | + settings = mkOption { |
| 17 | + description = lib.mdDoc '' |
| 18 | + Configuration for Erigon |
| 19 | + Refer to <https://github.com/ledgerwatch/erigon#usage> for details on supported values. |
| 20 | + ''; |
| 21 | + |
| 22 | + type = settingsFormat.type; |
| 23 | + |
| 24 | + example = { |
| 25 | + datadir = "/var/lib/erigon"; |
| 26 | + chain = "mainnet"; |
| 27 | + http = true; |
| 28 | + "http.port" = 8545; |
| 29 | + "http.api" = ["eth" "debug" "net" "trace" "web3" "erigon"]; |
| 30 | + ws = true; |
| 31 | + port = 30303; |
| 32 | + "authrpc.port" = 8551; |
| 33 | + "torrent.port" = 42069; |
| 34 | + "private.api.addr" = "localhost:9090"; |
| 35 | + "log.console.verbosity" = 3; # info |
| 36 | + }; |
| 37 | + |
| 38 | + defaultText = literalExpression '' |
| 39 | + { |
| 40 | + datadir = "/var/lib/erigon"; |
| 41 | + chain = "mainnet"; |
| 42 | + http = true; |
| 43 | + "http.port" = 8545; |
| 44 | + "http.api" = ["eth" "debug" "net" "trace" "web3" "erigon"]; |
| 45 | + ws = true; |
| 46 | + port = 30303; |
| 47 | + "authrpc.port" = 8551; |
| 48 | + "torrent.port" = 42069; |
| 49 | + "private.api.addr" = "localhost:9090"; |
| 50 | + "log.console.verbosity" = 3; # info |
| 51 | + } |
| 52 | + ''; |
| 53 | + }; |
| 54 | + }; |
| 55 | + }; |
| 56 | + |
| 57 | + config = mkIf cfg.enable { |
| 58 | + # Default values are the same as in the binary, they are just written here for convenience. |
| 59 | + services.erigon.settings = { |
| 60 | + datadir = mkDefault "/var/lib/erigon"; |
| 61 | + chain = mkDefault "mainnet"; |
| 62 | + http = mkDefault true; |
| 63 | + "http.port" = mkDefault 8545; |
| 64 | + "http.api" = mkDefault ["eth" "debug" "net" "trace" "web3" "erigon"]; |
| 65 | + ws = mkDefault true; |
| 66 | + port = mkDefault 30303; |
| 67 | + "authrpc.port" = mkDefault 8551; |
| 68 | + "torrent.port" = mkDefault 42069; |
| 69 | + "private.api.addr" = mkDefault "localhost:9090"; |
| 70 | + "log.console.verbosity" = mkDefault 3; # info |
| 71 | + }; |
| 72 | + |
| 73 | + systemd.services.erigon = { |
| 74 | + description = "Erigon ethereum implemenntation"; |
| 75 | + wantedBy = [ "multi-user.target" ]; |
| 76 | + after = [ "network.target" ]; |
| 77 | + |
| 78 | + serviceConfig = { |
| 79 | + ExecStart = "${pkgs.erigon}/bin/erigon --config ${configFile}"; |
| 80 | + Restart = "on-failure"; |
| 81 | + StateDirectory = "erigon"; |
| 82 | + CapabilityBoundingSet = ""; |
| 83 | + DynamicUser = true; |
| 84 | + NoNewPrivileges = true; |
| 85 | + PrivateTmp = true; |
| 86 | + ProtectHome = true; |
| 87 | + ProtectClock = true; |
| 88 | + ProtectProc = "noaccess"; |
| 89 | + ProcSubset = "pid"; |
| 90 | + ProtectKernelLogs = true; |
| 91 | + ProtectKernelModules = true; |
| 92 | + ProtectKernelTunables = true; |
| 93 | + ProtectControlGroups = true; |
| 94 | + ProtectHostname = true; |
| 95 | + RestrictSUIDSGID = true; |
| 96 | + RestrictRealtime = true; |
| 97 | + RestrictNamespaces = true; |
| 98 | + LockPersonality = true; |
| 99 | + RemoveIPC = true; |
| 100 | + RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ]; |
| 101 | + SystemCallFilter = [ "@system-service" "~@privileged" ]; |
| 102 | + }; |
| 103 | + }; |
| 104 | + }; |
| 105 | +} |
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