Add typst and tinymist to shell
Start writing notes Notes on Uniswap V2's optimum Fix error in formula Test `computeAmountInt` using various deltas Add `concurrency` to the default configuration file Remove unused imports Correctly propagate error Allow dead code Make the priority queue a real FIFO Refactor: remove priority queue as stream and use channels Increase buffer size New `flashArbitrage` function Comment with some ideas Add pragma version Refactor: decrease the amount of calls Remove unused code Re-enable tests Remove comment Process known pairs when started Avoid re-allocating a new provider every time Ignore `nixos.qcow2` file created by the VM Add support for `aarch64-linux` Add NixOS module and VM configuration Add `itertools` Add arbitrage opportunity detection Implement `fallback` method for non standard callbacks Add more logs Fix sign error in optimum formula Add deployment scripts and `agenix-shell` secrets Bump cargo packages Fix typo Print out an error if processing a pair goes wrong Add `actionlint` to formatters Fix typo Add TODO comment Remove not relevant anymore comment Big refactor - process actions always in the correct order avoiding corner cases - avoid using semaphores New API key Add `age` to dev shell Used by Emacs' `agenix-mode` on my system Fix parametric deploy scripts Add `run-forge-tests` flake app Remove fork URL from Solidity source Remove `pairDir` argument Add link to `ArbitrageManager`'s ABI WIP
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17 changed files with 1222 additions and 441 deletions
178
flake.nix
178
flake.nix
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@ -10,6 +10,7 @@
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url = "github:cachix/git-hooks.nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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agenix-shell.url = "github:aciceri/agenix-shell";
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flake-root.url = "github:srid/flake-root";
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nix-github-actions = {
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url = "github:nix-community/nix-github-actions";
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@ -22,15 +23,23 @@
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};
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outputs = inputs:
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inputs.flake-parts.lib.mkFlake { inherit inputs; } ({ config, lib, ... }: {
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systems = [ "x86_64-linux" ];
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inputs.flake-parts.lib.mkFlake { inherit inputs; } (flake@{ config, lib, moduleWithSystem, withSystem, ... }: {
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systems = [ "x86_64-linux" "aarch64-linux" ];
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imports = [
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inputs.git-hooks.flakeModule
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inputs.treefmt-nix.flakeModule
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inputs.flake-root.flakeModule
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imports = with inputs; [
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git-hooks.flakeModule
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treefmt-nix.flakeModule
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flake-root.flakeModule
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agenix-shell.flakeModules.agenix-shell
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];
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agenix-shell = {
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secrets = {
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ALCHEMY_KEY.file = ./secrets/alchemy_key.age;
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WALLET_PRIVATE_KEY.file = ./secrets/wallet_private_key.age;
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};
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};
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perSystem = { pkgs, config, ... }: {
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treefmt.config = {
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flakeFormatter = true;
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@ -38,6 +47,7 @@
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programs = {
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nixpkgs-fmt.enable = true;
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rustfmt.enable = true;
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actionlint.enable = true;
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};
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};
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@ -52,9 +62,11 @@
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};
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devShells.default = pkgs.mkShell {
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packages = with pkgs; [ cargo rustc rust-analyzer clippy foundry ];
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packages = with pkgs; [ cargo rustc rust-analyzer clippy foundry typst tinymist age ragenix ];
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inputsFrom = [ config.flake-root.devShell ];
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shellHook = ''
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source ${lib.getExe config.agenix-shell.installationScript}
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# forge will use this directory to download the solc compilers
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mkdir -p $HOME/.svm
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@ -95,21 +107,167 @@
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OPENSSL_INCLUDE_DIR = "${pkgs.openssl.dev}/include";
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PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig:$PKG_CONFIG_PATH";
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};
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meta.mainProgram = "arbi";
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};
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arbi_sample_config_kdl = pkgs.writeText "arbi-sample-config.kdl" ''
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endpoint "wss://eth-mainnet.g.alchemy.com/v2/<REDACTED>"
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pairs_file "pairs.json"
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concurrency 5
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'';
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};
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run-forge-tests = pkgs.writeShellScriptBin "run-forge-tests" ''
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pushd "$FLAKE_ROOT/onchain"
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forge test \
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--fork-url "wss://mainnet.infura.io/ws/v3/$ALCHEMY_KEY" \
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--via-ir \
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-vvv
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popd
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'';
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run-vm = pkgs.writeShellScriptBin "run-vm" (lib.getExe flake.config.flake.nixosConfigurations.vm.config.system.build.vm);
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} // lib.genAttrs [ "polygon-mainnet" ] (network: pkgs.writeShellScriptBin "deploy-${network}" ''
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pushd "$FLAKE_ROOT/onchain"
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forge create \
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--rpc-url "wss://${network}.infura.io/ws/v3/$ALCHEMY_KEY" \
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--private-key "$WALLET_PRIVATE_KEY" \
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--via-ir \
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--broadcast \
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src/ArbitrageManager.sol:ArbitrageManager
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popd
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'');
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checks = {
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inherit (config.packages) arbi;
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};
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};
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flake.githubActions = inputs.nix-github-actions.lib.mkGithubMatrix {
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checks = lib.getAttrs [ "x86_64-linux" ] config.flake.checks;
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flake = {
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githubActions = inputs.nix-github-actions.lib.mkGithubMatrix {
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checks = lib.getAttrs [ "x86_64-linux" ] config.flake.checks;
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};
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nixosConfigurations.vm = withSystem "x86_64-linux" (ctx: inputs.nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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modules = [
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({ pkgs, modulesPath, ... }: {
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imports = [
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"${modulesPath}/virtualisation/qemu-vm.nix"
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config.flake.nixosModules.arbi
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];
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services.getty.autologinUser = "root";
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services.openssh.settings.PasswordAuthentication = lib.mkForce true;
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services.openssh.settings.PermitRootLogin = lib.mkForce "yes";
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users.users.root.password = "";
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virtualisation = {
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graphics = false;
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memorySize = 2048;
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diskSize = 10000;
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forwardPorts = [
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{
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from = "host";
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host.port = 2222;
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guest.port = 22;
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}
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];
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};
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system.stateVersion = "25.05";
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services.arbi = {
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enable = true;
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log_level = "debug";
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configFile = pkgs.writeText "arbi-config.kdl" ''
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endpoint "wss://eth-mainnet.g.alchemy.com/v2/kkDMaLVYpWQA0GsCYNFvAODnAxCCiamv"
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pairs_file "pairs.json"
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concurrency 5
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'';
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};
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})
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];
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});
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nixosModules = {
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arbi = moduleWithSystem ({ config }: nixos@{ lib, utils, ... }:
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let
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cfg = nixos.config.services.arbi;
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in
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{
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options.services.arbi = {
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enable = lib.mkEnableOption "arbi";
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package = lib.mkOption {
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type = lib.types.package;
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default = config.packages.arbi;
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};
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log_level = lib.mkOption {
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type = lib.types.enum [ "debug" "trace" "warn" "error" "info" ];
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default = "info";
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};
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configFile = lib.mkOption {
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type = lib.types.path;
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};
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dataDir = lib.mkOption {
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type = lib.types.path;
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default = "/var/lib/arbi";
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};
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user = lib.mkOption {
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type = lib.types.str;
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default = "arbi";
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};
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group = lib.mkOption {
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type = lib.types.str;
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default = "arbi";
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};
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};
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config = lib.mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ];
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users.users.arbi = lib.mkIf (cfg.user == "arbi") {
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isSystemUser = true;
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group = cfg.group;
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};
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users.groups.arbi = lib.mkIf (cfg.group == "arbi") { };
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systemd.tmpfiles.settings."10-arbi" = {
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${cfg.dataDir}.d = {
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inherit (cfg) user group;
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mode = "0755";
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};
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};
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systemd.services.arbi = {
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description = "Arbitrage bot";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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environment.ARBI_LOG_LEVEL = cfg.log_level;
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serviceConfig = {
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ExecStart = utils.escapeSystemdExecArgs [
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(lib.getExe cfg.package)
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"--config"
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cfg.configFile
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"run"
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];
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KillSignal = "SIGINT";
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Restart = "on-failure";
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RestartSec = "5s";
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User = cfg.user;
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Group = cfg.group;
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WorkingDirectory = cfg.dataDir;
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UMask = "0022";
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};
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};
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};
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});
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default = config.flake.nixosModules.arbi;
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};
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};
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});
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}
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