{ lib , stdenv , fetchurl , fetchFromGitHub , wrapQtAppsHook , python3 , zbar , secp256k1 , enableQt ? true , qtwayland }: let version = "4.2.2.1"; libsecp256k1_name = if stdenv.isLinux then "libsecp256k1.so.0" else if stdenv.isDarwin then "libsecp256k1.0.dylib" else "libsecp256k1${stdenv.hostPlatform.extensions.sharedLibrary}"; libzbar_name = if stdenv.isLinux then "libzbar.so.0" else if stdenv.isDarwin then "libzbar.0.dylib" else "libzbar${stdenv.hostPlatform.extensions.sharedLibrary}"; # Not provided in official source releases, which are what upstream signs. tests = fetchFromGitHub { owner = "pooler"; repo = "electrum-ltc"; rev = version; sha256 = "sha256-qu72LIV07pgHqvKv+Kcw9ZmNk6IBz+4/vdJELlT5tE4="; postFetch = '' mv $out ./all mv ./all/electrum_ltc/tests $out ''; }; in python3.pkgs.buildPythonApplication { pname = "electrum-ltc"; inherit version; src = fetchurl { url = "https://electrum-ltc.org/download/Electrum-LTC-${version}.tar.gz"; sha256 = "sha256-7F28cve+HD5JDK5igfkGD/NvTCfA33g+DmQJ5mwPM9Q="; }; postUnpack = '' # can't symlink, tests get confused cp -ar ${tests} $sourceRoot/electrum_ltc/tests ''; nativeBuildInputs = lib.optionals enableQt [ wrapQtAppsHook ]; propagatedBuildInputs = with python3.pkgs; [ aiohttp aiohttp-socks aiorpcx attrs bitstring cryptography dnspython jsonrpclib-pelix matplotlib pbkdf2 protobuf py-scrypt pysocks qrcode requests tlslite-ng certifi # plugins btchip-python ckcc-protocol keepkey trezor ] ++ lib.optionals enableQt [ pyqt5 qdarkstyle ]; patches = [ # electrum-ltc attempts to pin to aiorpcX < 0.23, but nixpkgs # has moved to newer versions. # # electrum-ltc hasn't been updated in some time, so we replicate # the patch from electrum (BTC) and alter it to be usable with # electrum-ltc. # # Similar to the BTC patch, we need to overwrite the symlink # at electrum_ltc/electrum-ltc with the patched run_electrum # in postPatch. ./ltc-aiorpcX-version-bump.patch ]; postPatch = '' # copy the patched `/run_electrum` over `/electrum/electrum` # so the aiorpcx compatibility patch is used cp run_electrum electrum_ltc/electrum-ltc ''; preBuild = '' sed -i 's,usr_share = .*,usr_share = "'$out'/share",g' setup.py substituteInPlace ./electrum_ltc/ecc_fast.py \ --replace ${libsecp256k1_name} ${secp256k1}/lib/libsecp256k1${stdenv.hostPlatform.extensions.sharedLibrary} '' + (if enableQt then '' substituteInPlace ./electrum_ltc/qrscanner.py \ --replace ${libzbar_name} ${zbar.lib}/lib/libzbar${stdenv.hostPlatform.extensions.sharedLibrary} '' else '' sed -i '/qdarkstyle/d' contrib/requirements/requirements.txt ''); postInstall = lib.optionalString stdenv.isLinux '' # Despite setting usr_share above, these files are installed under # $out/nix ... mv $out/${python3.sitePackages}/nix/store"/"*/share $out rm -rf $out/${python3.sitePackages}/nix substituteInPlace $out/share/applications/electrum-ltc.desktop \ --replace 'Exec=sh -c "PATH=\"\\$HOME/.local/bin:\\$PATH\"; electrum-ltc %u"' \ "Exec=$out/bin/electrum-ltc %u" \ --replace 'Exec=sh -c "PATH=\"\\$HOME/.local/bin:\\$PATH\"; electrum-ltc --testnet %u"' \ "Exec=$out/bin/electrum-ltc --testnet %u" ''; postFixup = lib.optionalString enableQt '' wrapQtApp $out/bin/electrum-ltc ''; nativeCheckInputs = with python3.pkgs; [ pytestCheckHook pyaes pycryptodomex ]; buildInputs = lib.optional stdenv.isLinux qtwayland; pytestFlagsArray = [ "electrum_ltc/tests" ]; disabledTests = [ "test_loop" # test tries to bind 127.0.0.1 causing permission error "test_is_ip_address" # fails spuriously https://github.com/spesmilo/electrum/issues/7307 ]; postCheck = '' $out/bin/electrum-ltc help >/dev/null ''; meta = with lib; { description = "Lightweight Litecoin Client"; mainProgram = "electrum-ltc"; longDescription = '' Electrum-LTC is a simple, but powerful Litecoin wallet. A unique secret phrase (or “seed”) leaves intruders stranded and your peace of mind intact. Keep it on paper, or in your head... and never worry about losing your litecoins to theft or hardware failure. ''; homepage = "https://electrum-ltc.org/"; license = licenses.mit; platforms = platforms.all; maintainers = with maintainers; [ bbjubjub ]; }; }