{ dev_name, uuid, pw_name, opts, config, pkgs, ... }:

let

  device     = "/dev/mapper/${dev_name}";
  home       = "${config.home.homeDirectory}";
  shell      = "${pkgs.dash}/bin/dash";
  cryptsetup = "${pkgs.cryptsetup}/bin/cryptsetup";
  mkdir      = "${pkgs.coreutils}/bin/mkdir";
  pass       = "${pkgs.pass}/bin/pass";
  sudo       = "/run/wrappers/bin/doas";
  mount      = "/run/wrappers/bin/mount";

in
  pkgs.writeScriptBin "mount_wallets" ''
    #!${shell}

    if [ ! -b "${device}" ]; then
        ${pass} "${pw_name}" | ${sudo} ${cryptsetup} open "UUID=${uuid}" ${dev_name}
    fi

    ${mkdir} -p \
        "${home}/.walletwasabi" \
        "${home}/.local/share/Bisq" \
        "${home}/.bitmonero" \
        "${home}/monero-storage" \
        "${home}/.electrumfair"

    ${sudo} ${mount} ${device} -o subvol=@wasabi,${opts}                 "${home}/.walletwasabi"
    ${sudo} ${mount} ${device} -o subvol=@bisq,${opts}                   "${home}/.local/share/Bisq"
    ${sudo} ${mount} ${device} -o subvol=@monero/@bitmonero,${opts}      "${home}/.bitmonero"
    ${sudo} ${mount} ${device} -o subvol=@monero/@monero-storage,${opts} "${home}/monero-storage"
    ${sudo} ${mount} ${device} -o subvol=@electrumfair,${opts}           "${home}/.electrumfair"
  ''