61 lines
1.8 KiB
Nix
61 lines
1.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.electrs;
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in {
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options.services.electrs = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If enabled, the electrs service will be installed.
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'';
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/electrs";
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description = "The data directory for electrs.";
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};
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};
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config = mkIf cfg.enable {
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users.users.electrs = {
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description = "electrs User";
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group = "electrs";
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extraGroups = [ "bitcoinrpc" "keys" ];
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home = cfg.dataDir;
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};
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users.groups.electrs = {
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name = "electrs";
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};
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systemd.services.electrs = {
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description = "Run electrs";
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wantedBy = [ "multi-user.target" ];
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requires = [ "bitcoind.service" ];
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after = [ "bitcoind.service" ];
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# create shell script to start up electrs safely with password parameter
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preStart = ''
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mkdir -m 0770 -p ${cfg.dataDir}
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chown 'electrs:electrs' ${cfg.dataDir}
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echo "${pkgs.electrs}/bin/electrs -vvv --timestamp --db-dir ${cfg.dataDir} --daemon-dir /var/lib/bitcoind --cookie=${config.services.bitcoind.rpcuser}:$(cat /secrets/bitcoin-rpcpassword)" > /var/lib/electrs/startscript.sh
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chown -R 'electrs:electrs' ${cfg.dataDir}
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chmod u+x ${cfg.dataDir}/startscript.sh
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'';
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serviceConfig = {
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PermissionsStartOnly = "true";
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ExecStart = "${pkgs.bash}/bin/bash ${cfg.dataDir}/startscript.sh";
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User = "electrs";
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Restart = "on-failure";
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RestartSec = "10s";
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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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};
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};
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};
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}
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