mirror of
https://github.com/fort-nix/nix-bitcoin.git
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f61e928139
Previously, client services didn't decode these special INADDR_ANY addresses and failed to connect.
337 lines
10 KiB
Nix
337 lines
10 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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options.services.joinmarket = {
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enable = mkEnableOption "JoinMarket";
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/joinmarket";
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description = "The data directory for JoinMarket.";
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};
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rpcWalletFile = mkOption {
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type = types.nullOr types.str;
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default = "jm_wallet";
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description = ''
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Name of the watch-only bitcoind wallet the JoinMarket addresses are imported to.
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'';
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};
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user = mkOption {
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type = types.str;
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default = "joinmarket";
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description = "The user as which to run JoinMarket.";
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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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description = "The group as which to run JoinMarket.";
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};
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cli = mkOption {
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default = cli;
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};
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# This option is only used by netns-isolation
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enforceTor = mkOption {
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readOnly = true;
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default = true;
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};
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inherit (nbLib) cliExec;
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yieldgenerator = {
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enable = mkEnableOption "yield generator bot";
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ordertype = mkOption {
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type = types.enum [ "reloffer" "absoffer" ];
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default = "reloffer";
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description = ''
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Which fee type to actually use
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'';
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};
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cjfee_a = mkOption {
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type = types.ints.unsigned;
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default = 500;
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description = ''
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Absolute offer fee you wish to receive for coinjoins (cj) in Satoshis
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'';
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};
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cjfee_r = mkOption {
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type = types.float;
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default = 0.00002;
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description = ''
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Relative offer fee you wish to receive based on a cj's amount
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'';
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};
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cjfee_factor = mkOption {
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type = types.float;
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default = 0.1;
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description = ''
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Variance around the average cj fee
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'';
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};
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txfee = mkOption {
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type = types.ints.unsigned;
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default = 100;
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description = ''
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The average transaction fee you're adding to coinjoin transactions
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'';
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};
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txfee_factor = mkOption {
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type = types.float;
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default = 0.3;
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description = ''
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Variance around the average tx fee
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'';
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};
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minsize = mkOption {
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type = types.ints.unsigned;
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default = 100000;
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description = ''
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Minimum size of your cj offer in Satoshis. Lower cj amounts will be disregarded.
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'';
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};
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size_factor = mkOption {
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type = types.float;
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default = 0.1;
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description = ''
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Variance around all offer sizes
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'';
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};
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};
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};
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cfg = config.services.joinmarket;
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nbLib = config.nix-bitcoin.lib;
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nbPkgs = config.nix-bitcoin.pkgs;
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secretsDir = config.nix-bitcoin.secretsDir;
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runAsUser = config.nix-bitcoin.runAsUserCmd;
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inherit (config.services) bitcoind;
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torAddress = config.services.tor.client.socksListenAddress;
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socks5Settings = ''
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socks5 = true
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socks5_host = ${torAddress.addr}
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socks5_port = ${toString torAddress.port}
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'';
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# Based on https://github.com/JoinMarket-Org/joinmarket-clientserver/blob/master/jmclient/jmclient/configure.py
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yg = cfg.yieldgenerator;
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configFile = builtins.toFile "config" ''
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[DAEMON]
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no_daemon = 0
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daemon_port = 27183
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daemon_host = localhost
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use_ssl = false
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[BLOCKCHAIN]
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blockchain_source = bitcoin-rpc
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network = ${bitcoind.network}
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rpc_host = ${nbLib.address bitcoind.rpc.address}
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rpc_port = ${toString bitcoind.rpc.port}
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rpc_user = ${bitcoind.rpc.users.privileged.name}
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${optionalString (cfg.rpcWalletFile != null) "rpc_wallet_file = ${cfg.rpcWalletFile}"}
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[MESSAGING:server1]
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host = darkirc6tqgpnwd3blln3yfv5ckl47eg7llfxkmtovrv7c7iwohhb6ad.onion
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channel = joinmarket-pit
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port = 6697
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usessl = true
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${socks5Settings}
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[MESSAGING:server2]
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host = ncwkrwxpq2ikcngxq3dy2xctuheniggtqeibvgofixpzvrwpa77tozqd.onion
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channel = joinmarket-pit
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port = 6667
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usessl = false
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${socks5Settings}
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[LOGGING]
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console_log_level = INFO
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color = false
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[POLICY]
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segwit = true
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native = true
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merge_algorithm = default
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tx_fees = 3
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absurd_fee_per_kb = 350000
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max_sweep_fee_change = 0.8
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tx_broadcast = self
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minimum_makers = 4
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max_sats_freeze_reuse = -1
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interest_rate = """ + _DEFAULT_INTEREST_RATE + """
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bondless_makers_allowance = """ + _DEFAULT_BONDLESS_MAKERS_ALLOWANCE + """
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taker_utxo_retries = 3
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taker_utxo_age = 5
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taker_utxo_amtpercent = 20
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accept_commitment_broadcasts = 1
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commit_file_location = cmtdata/commitments.json
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[PAYJOIN]
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payjoin_version = 1
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disable_output_substitution = 0
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max_additional_fee_contribution = default
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min_fee_rate = 1.1
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onion_socks5_host = ${torAddress.addr}
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onion_socks5_port = ${toString torAddress.port}
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tor_control_host = unix:/run/tor/control
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hidden_service_ssl = false
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[YIELDGENERATOR]
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ordertype = ${yg.ordertype}
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cjfee_a = ${toString yg.cjfee_a}
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cjfee_r = ${toString yg.cjfee_r}
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cjfee_factor = ${toString yg.cjfee_factor}
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txfee = ${toString yg.txfee}
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txfee_factor = ${toString yg.txfee_factor}
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minsize = ${toString yg.minsize}
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size_factor = ${toString yg.size_factor}
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gaplimit = 6
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[SNICKER]
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enabled = false
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lowest_net_gain = 0
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servers = cn5lfwvrswicuxn3gjsxoved6l2gu5hdvwy5l3ev7kg6j7lbji2k7hqd.onion,
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polling_interval_minutes = 60
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'';
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# The jm scripts create a 'logs' dir in the working dir,
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# so run them inside dataDir.
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cli = pkgs.runCommand "joinmarket-cli" {} ''
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mkdir -p $out/bin
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jm=${nbPkgs.joinmarket}/bin
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cd $jm
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for bin in jm-*; do
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{
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echo "#!${pkgs.bash}/bin/bash";
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echo "cd '${cfg.dataDir}' && ${cfg.cliExec} ${runAsUser} ${cfg.user} $jm/$bin --datadir='${cfg.dataDir}' \"\$@\"";
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} > $out/bin/$bin
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done
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chmod -R +x $out/bin
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'';
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in {
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inherit options;
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config = mkIf cfg.enable (mkMerge [{
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services.bitcoind = {
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enable = true;
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disablewallet = false;
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};
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# Joinmarket is Tor-only
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services.tor = {
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enable = true;
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client.enable = true;
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# Needed for payjoin onion service creation
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controlSocket.enable = true;
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};
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environment.systemPackages = [
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(hiPrio cfg.cli)
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];
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systemd.tmpfiles.rules = [
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"d '${cfg.dataDir}' 0770 ${cfg.user} ${cfg.group} - -"
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];
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systemd.services.joinmarket = {
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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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preStart = ''
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{
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cat ${configFile}
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echo
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echo '[BLOCKCHAIN]'
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echo "rpc_password = $(cat ${secretsDir}/bitcoin-rpcpassword-privileged)"
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} > '${cfg.dataDir}/joinmarket.cfg'
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'';
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# Generating wallets (jmclient/wallet.py) is only supported for mainnet or testnet
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postStart = mkIf (bitcoind.network == "mainnet") ''
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walletname=wallet.jmdat
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wallet=${cfg.dataDir}/wallets/$walletname
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if [[ ! -f $wallet ]]; then
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${optionalString (cfg.rpcWalletFile != null) ''
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echo "Create watch-only wallet ${cfg.rpcWalletFile}"
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if ! output=$(${bitcoind.cli}/bin/bitcoin-cli -named createwallet \
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wallet_name="${cfg.rpcWalletFile}" disable_private_keys=true 2>&1); then
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# Ignore error if bitcoind wallet already exists
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if [[ $output != *"already exists"* ]]; then
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echo "$output"
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exit 1
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fi
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fi
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''}
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# Restore wallet from seed if available
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seed=
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if [[ -e jm-wallet-seed ]]; then
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seed="--recovery-seed-file jm-wallet-seed"
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fi
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cd ${cfg.dataDir}
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# Strip trailing newline from password file
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if ! tr -d "\n" <"${secretsDir}/jm-wallet-password" \
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| ${nbPkgs.joinmarket}/bin/jm-genwallet \
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--datadir=${cfg.dataDir} --wallet-password-stdin $seed $walletname \
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umask u=r,go=
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grep -ohP '(?<=recovery_seed:).*' > jm-wallet-seed
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else
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cat > /dev/null
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fi); then
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echo "wallet creation failed"
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rm -f "$wallet" jm-wallet-seed
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exit 1
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fi
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fi
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'';
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serviceConfig = nbLib.defaultHardening // {
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ExecStart = "${nbPkgs.joinmarket}/bin/joinmarketd";
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WorkingDirectory = cfg.dataDir; # The service creates 'commitmentlist' in the working dir
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User = cfg.user;
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Restart = "on-failure";
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RestartSec = "10s";
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ReadWritePaths = cfg.dataDir;
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} // nbLib.allowTor;
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};
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users.users.${cfg.user} = {
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isSystemUser = true;
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group = cfg.group;
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home = cfg.dataDir;
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# Allow access to the tor control socket, needed for payjoin onion service creation
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extraGroups = [ "tor" "bitcoin" ];
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};
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users.groups.${cfg.group} = {};
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nix-bitcoin.operator = {
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groups = [ cfg.group ];
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allowRunAsUsers = [ cfg.user ];
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};
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nix-bitcoin.secrets.jm-wallet-password.user = cfg.user;
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nix-bitcoin.generateSecretsCmds.joinmarket = ''
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makePasswordSecret jm-wallet-password
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'';
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}
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(mkIf cfg.yieldgenerator.enable {
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systemd.services.joinmarket-yieldgenerator = {
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wantedBy = [ "joinmarket.service" ];
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requires = [ "joinmarket.service" ];
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after = [ "joinmarket.service" ];
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script = ''
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tr -d "\n" <"${secretsDir}/jm-wallet-password" \
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| ${nbPkgs.joinmarket}/bin/jm-yg-privacyenhanced --datadir='${cfg.dataDir}' \
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--wallet-password-stdin wallet.jmdat
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'';
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serviceConfig = nbLib.defaultHardening // rec {
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WorkingDirectory = cfg.dataDir; # The service creates dir 'logs' in the working dir
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# Show "joinmarket-yieldgenerator" instead of "bash" in the journal.
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# The start script has to run alongside the main process
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# because it provides the wallet password via stdin to the main process
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SyslogIdentifier = "joinmarket-yieldgenerator";
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User = cfg.user;
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ReadWritePaths = cfg.dataDir;
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} // nbLib.allowTor;
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};
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})
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]);
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}
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