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https://github.com/ilyakooo0/nixpkgs.git
synced 2024-09-22 04:57:56 +03:00
nixos/bitcoind: change to multi-instance
This commit is contained in:
1000101
parent
55079328c2
commit
c6017d9895
@ -3,31 +3,8 @@
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with lib;
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let
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cfg = config.services.bitcoind;
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pidFile = "${cfg.dataDir}/bitcoind.pid";
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configFile = pkgs.writeText "bitcoin.conf" ''
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${optionalString cfg.testnet "testnet=1"}
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${optionalString (cfg.dbCache != null) "dbcache=${toString cfg.dbCache}"}
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${optionalString (cfg.prune != null) "prune=${toString cfg.prune}"}
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# Connection options
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${optionalString (cfg.port != null) "port=${toString cfg.port}"}
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# RPC server options
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${optionalString (cfg.rpc.port != null) "rpcport=${toString cfg.rpc.port}"}
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${concatMapStringsSep "\n"
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(rpcUser: "rpcauth=${rpcUser.name}:${rpcUser.passwordHMAC}")
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(attrValues cfg.rpc.users)
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}
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# Extra config options (from bitcoind nixos service)
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${cfg.extraConfig}
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'';
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cmdlineOptions = escapeShellArgs [
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"-conf=${cfg.configFile}"
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"-datadir=${cfg.dataDir}"
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"-pid=${pidFile}"
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];
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eachBitcoind = config.services.bitcoind;
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rpcUserOpts = { name, ... }: {
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options = {
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@ -44,6 +21,9 @@ let
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description = ''
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Password HMAC-SHA-256 for JSON-RPC connections. Must be a string of the
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format <SALT-HEX>$<HMAC-HEX>.
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Tool (Python script) for HMAC generation is available here:
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<link xlink:href="https://github.com/bitcoin/bitcoin/blob/master/share/rpcauth/rpcauth.py"/>
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'';
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};
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};
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@ -51,10 +31,10 @@ let
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name = mkDefault name;
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};
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};
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in {
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options = {
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services.bitcoind = {
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bitcoindOpts = { config, lib, name, ...}: {
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options = {
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enable = mkEnableOption "Bitcoin daemon";
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package = mkOption {
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@ -63,12 +43,14 @@ in {
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defaultText = "pkgs.bitcoind";
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description = "The package providing bitcoin binaries.";
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};
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configFile = mkOption {
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type = types.path;
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default = configFile;
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example = "/etc/bitcoind.conf";
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type = with types; nullOr path;
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default = null;
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example = "/var/lib/${name}/bitcoin.conf";
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description = "The configuration file path to supply bitcoind.";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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@ -79,20 +61,22 @@ in {
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'';
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description = "Additional configurations to be appended to <filename>bitcoin.conf</filename>.";
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/bitcoind";
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default = "/var/lib/bitcoind-${name}";
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description = "The data directory for bitcoind.";
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};
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user = mkOption {
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type = types.str;
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default = "bitcoin";
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default = "bitcoind-${name}";
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description = "The user as which to run bitcoind.";
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};
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group = mkOption {
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type = types.str;
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default = cfg.user;
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default = config.user;
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description = "The group as which to run bitcoind.";
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};
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@ -110,29 +94,38 @@ in {
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bob.passwordHMAC = "b2dd077cb54591a2f3139e69a897ac$4e71f08d48b4347cf8eff3815c0e25ae2e9a4340474079f55705f40574f4ec99";
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}
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'';
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type = with types; loaOf (submodule rpcUserOpts);
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type = with types; attrsOf (submodule rpcUserOpts);
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description = ''
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RPC user information for JSON-RPC connnections.
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'';
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};
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};
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pidFile = mkOption {
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type = types.path;
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default = "${config.dataDir}/bitcoind.pid";
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description = "Location of bitcoind pid file.";
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};
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testnet = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to use the test chain.";
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description = "Whether to use the testnet instead of mainnet.";
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};
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port = mkOption {
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type = types.nullOr types.port;
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default = null;
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description = "Override the default port on which to listen for connections.";
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};
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dbCache = mkOption {
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type = types.nullOr (types.ints.between 4 16384);
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default = null;
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example = 4000;
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description = "Override the default database cache size in megabytes.";
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description = "Override the default database cache size in MiB.";
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};
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prune = mkOption {
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type = types.nullOr (types.coercedTo
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(types.enum [ "disable" "manual" ])
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@ -149,45 +142,120 @@ in {
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and -rescan. Warning: Reverting this setting requires re-downloading
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the entire blockchain. ("disable" = disable pruning blocks, "manual"
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= allow manual pruning via RPC, >=550 = automatically prune block files
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to stay under the specified target size in MiB)
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to stay under the specified target size in MiB).
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'';
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};
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extraCmdlineOptions = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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Extra command line options to pass to bitcoind.
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Run bitcoind --help to list all available options.
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'';
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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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config = mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ];
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systemd.tmpfiles.rules = [
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"d '${cfg.dataDir}' 0770 '${cfg.user}' '${cfg.group}' - -"
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"L '${cfg.dataDir}/bitcoin.conf' - - - - '${cfg.configFile}'"
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];
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systemd.services.bitcoind = {
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description = "Bitcoin daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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User = cfg.user;
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Group = cfg.group;
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ExecStart = "${cfg.package}/bin/bitcoind ${cmdlineOptions}";
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Restart = "on-failure";
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# Hardening measures
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PrivateTmp = "true";
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ProtectSystem = "full";
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NoNewPrivileges = "true";
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PrivateDevices = "true";
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MemoryDenyWriteExecute = "true";
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};
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options = {
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services.bitcoind = mkOption {
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type = types.attrsOf (types.submodule bitcoindOpts);
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default = {};
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description = "Specification of one or more bitcoind instances.";
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};
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users.users.${cfg.user} = {
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};
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config = mkIf (eachBitcoind != {}) {
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assertions = flatten (mapAttrsToList (bitcoindName: cfg: [
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{
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assertion = (cfg.prune != null) -> (cfg.prune == "disable" || cfg.prune == "manual") || (cfg.prune == 0 || cfg.prune == 1) || (cfg.prune >= 550);
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message = ''
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If set, services.bitcoind.${bitcoindName}.prune has to be "disable", "manual", 0 , 1 or >= 550
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'';
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}
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{
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assertion = (cfg.rpc.users != {}) -> (cfg.configFile == null);
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message = ''
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You cannot set both services.bitcoind.${bitcoindName}.rpc.users and services.bitcoind.${bitcoindName}.configFile
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as they are exclusive. RPC user setting would have no effect if custom configFile would be used.
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'';
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}
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]) eachBitcoind);
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environment.systemPackages = flatten (mapAttrsToList (bitcoindName: cfg: [
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cfg.package
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]) eachBitcoind);
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systemd.services = mapAttrs' (bitcoindName: cfg: (
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nameValuePair "bitcoind-${bitcoindName}" (
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let
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configFile = pkgs.writeText "bitcoin.conf" ''
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# If Testnet is enabled, we need to add [test] section
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# otherwise, some options (e.g.: custom RPC port) will not work
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${optionalString cfg.testnet "[test]"}
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# RPC users
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${concatMapStringsSep "\n"
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(rpcUser: "rpcauth=${rpcUser.name}:${rpcUser.passwordHMAC}")
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(attrValues cfg.rpc.users)
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}
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# Extra config options (from bitcoind nixos service)
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${cfg.extraConfig}
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'';
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in {
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description = "Bitcoin daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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User = cfg.user;
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Group = cfg.group;
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ExecStart = ''
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${cfg.package}/bin/bitcoind \
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${if (cfg.configFile != null) then
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"-conf=${cfg.configFile}"
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else
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"-conf=${configFile}"
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} \
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-datadir=${cfg.dataDir} \
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-pid=${cfg.pidFile} \
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${optionalString cfg.testnet "-testnet"}\
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${optionalString (cfg.port != null) "-port=${toString cfg.port}"}\
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${optionalString (cfg.prune != null) "-prune=${toString cfg.prune}"}\
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${optionalString (cfg.dbCache != null) "-dbcache=${toString cfg.dbCache}"}\
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${optionalString (cfg.rpc.port != null) "-rpcport=${toString cfg.rpc.port}"}\
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${toString cfg.extraCmdlineOptions}
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'';
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Restart = "on-failure";
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# Hardening measures
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PrivateTmp = "true";
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ProtectSystem = "full";
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NoNewPrivileges = "true";
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PrivateDevices = "true";
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MemoryDenyWriteExecute = "true";
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};
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}
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))) eachBitcoind;
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systemd.tmpfiles.rules = flatten (mapAttrsToList (bitcoindName: cfg: [
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"d '${cfg.dataDir}' 0770 '${cfg.user}' '${cfg.group}' - -"
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]) eachBitcoind);
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users.users = mapAttrs' (bitcoindName: cfg: (
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nameValuePair "bitcoind-${bitcoindName}" {
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name = cfg.user;
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group = cfg.group;
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description = "Bitcoin daemon user";
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home = cfg.dataDir;
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isSystemUser = true;
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};
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users.groups.${cfg.group} = {
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name = cfg.group;
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};
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})) eachBitcoind;
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users.groups = mapAttrs' (bitcoindName: cfg: (
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nameValuePair "${cfg.group}" { }
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)) eachBitcoind;
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};
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}
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