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joinmarket: init the jmwalletd service
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{ config, lib, pkgs, ... }: | ||
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with lib; | ||
let | ||
options.services.joinmarket-jmwalletd = { | ||
enable = mkEnableOption "JoinMarket jmwalletd"; | ||
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# Unfortunately it's not possible to set the listening address for | ||
# jmwalletd. It's used only internally. | ||
address = mkOption { | ||
type = types.str; | ||
readOnly = true; | ||
internal = true; | ||
default = "127.0.0.1"; | ||
description = mdDoc '' | ||
The address where the jmwalletd listens to. | ||
''; | ||
}; | ||
port = mkOption { | ||
type = types.port; | ||
default = 28183; | ||
description = mdDoc "The port over which to serve RPC."; | ||
}; | ||
wssPort = mkOption { | ||
type = types.port; | ||
default = 28283; | ||
description = mdDoc "The port over which to serve websocket subscriptions."; | ||
}; | ||
extraArgs = mkOption { | ||
type = types.separatedString " "; | ||
default = ""; | ||
description = mdDoc "Extra coomand line arguments passed to jmwalletd."; | ||
}; | ||
user = mkOption { | ||
type = types.str; | ||
default = "joinmarket-jmwalletd"; | ||
description = mdDoc "The user as which to run JoinMarket jmwalletd."; | ||
}; | ||
group = mkOption { | ||
type = types.str; | ||
default = cfg.user; | ||
description = mdDoc "The group as which to run JoinMarket jmwalletd."; | ||
}; | ||
dataDir = mkOption { | ||
readOnly = true; | ||
type = types.path; | ||
default = config.services.joinmarket.dataDir; | ||
description = mdDoc "The JoinMarket data directory."; | ||
}; | ||
sslDir = mkOption { | ||
readOnly = true; | ||
type = types.path; | ||
default = "${cfg.dataDir}/ssl"; | ||
description = mdDoc "The SSL directory for jmwalled."; | ||
}; | ||
certPath = mkOption { | ||
readOnly = true; | ||
default = "${secretsDir}/joinmarket-jmwalletd"; | ||
description = mdDoc "JoinMarket jmwalletd TLS certificate path."; | ||
}; | ||
recoverSync = mkOption { | ||
type = types.bool; | ||
default = false; | ||
description = mdDoc '' | ||
Choose to do detailed wallet sync, used for recovering on new Core | ||
instance. | ||
''; | ||
}; | ||
certificate = { | ||
extraIPs = mkOption { | ||
type = with types; listOf str; | ||
default = []; | ||
example = [ "60.100.0.1" ]; | ||
description = mdDoc '' | ||
Extra `subjectAltName` IPs added to the certificate. | ||
''; | ||
}; | ||
extraDomains = mkOption { | ||
type = with types; listOf str; | ||
default = []; | ||
example = [ "example.com" ]; | ||
description = mdDoc '' | ||
Extra `subjectAltName` domain names added to the certificate. | ||
''; | ||
}; | ||
}; | ||
}; | ||
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cfg = config.services.joinmarket-jmwalletd; | ||
nbLib = config.nix-bitcoin.lib; | ||
nbPkgs = config.nix-bitcoin.pkgs; | ||
secretsDir = config.nix-bitcoin.secretsDir; | ||
in { | ||
inherit options; | ||
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config = mkIf cfg.enable (mkMerge [{ | ||
# TODO: possible recursion? | ||
services.joinmarket.enable = true; | ||
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users.users.${cfg.user} = { | ||
isSystemUser = true; | ||
group = cfg.group; | ||
home = cfg.dataDir; | ||
# Allow access to the joinmarket dataDir. | ||
extraGroups = [ config.services.joinmarket.group ]; | ||
}; | ||
users.groups.${cfg.group} = {}; | ||
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nix-bitcoin.secrets.joinmarket-jmwalletd-password.user = cfg.user; | ||
nix-bitcoin.generateSecretsCmds.joinmarket-jmwalletd-password = '' | ||
makePasswordSecret joinmarket-jmwalletd-password | ||
''; | ||
} | ||
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(mkIf cfg.enable { | ||
nix-bitcoin.secrets.joinmarket-jmwalletd-cert.user = cfg.user; | ||
nix-bitcoin.secrets.joinmarket-jmwalletd-key.user = cfg.user; | ||
nix-bitcoin.generateSecretsCmds.joinmarket-jmwalletd = '' | ||
makeCert joinmarket-jmwalletd '${nbLib.mkCertExtraAltNames cfg.certificate}' | ||
''; | ||
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systemd.tmpfiles.rules = [ | ||
"d '${cfg.sslDir}' 0770 ${cfg.user} ${cfg.group} - -" | ||
]; | ||
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systemd.services.joinmarket-jmwalletd = { | ||
wantedBy = [ "joinmarket.service" ]; | ||
requires = [ "joinmarket.service" ]; | ||
after = [ "joinmarket.service" "nix-bitcoin-secrets.target" ]; | ||
preStart = '' | ||
# Copy the certificates into a data directory under the `ssl` dir | ||
mkdir -p '${cfg.sslDir}' | ||
install -m600 '${cfg.certPath}-cert' '${cfg.sslDir}/cert.pem' | ||
install -m600 '${cfg.certPath}-key' '${cfg.sslDir}/key.pem' | ||
''; | ||
serviceConfig = nbLib.defaultHardening // { | ||
WorkingDirectory = cfg.dataDir; | ||
User = cfg.user; | ||
ExecStart = '' | ||
${config.nix-bitcoin.pkgs.joinmarket}/bin/jm-jmwalletd \ | ||
--port='${toString cfg.port}' \ | ||
--wss-port='${toString cfg.wssPort}' \ | ||
--datadir='${cfg.dataDir}' \ | ||
${optionalString (cfg.recoverSync) "--recoversync \\"} | ||
${cfg.extraArgs} | ||
''; | ||
SyslogIdentifier = "joinmarket-jmwalletd"; | ||
ReadWritePaths = [ cfg.dataDir ]; | ||
Restart = "on-failure"; | ||
RestartSec = "10s"; | ||
MemoryDenyWriteExecute = false; | ||
} // nbLib.allowTor; | ||
}; | ||
}) | ||
]); | ||
} |
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