electrum: fix ledger devices support

New Ledger protocol needs a new dependency to work
https://github.com/spesmilo/electrum/pull/8041

pkgs/applications/misc/electrum/default.nix

@@ -72,6 +72,7 @@ python3.pkgs.buildPythonApplication {
     tlslite-ng
     # plugins
     btchip-python
+    ledger-bitcoin
     ckcc-protocol
     keepkey
     trezor

pkgs/development/python-modules/ledger-bitcoin/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools
+, ledgercomm
+, packaging
+, typing-extensions
+ }:
+
+buildPythonPackage rec {
+  pname = "ledger-bitcoin";
+  version = "0.2.1";
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "ledger_bitcoin";
+    hash = "sha256-AWl/q2MzzspNIo6yf30S92PgM/Ygsb+1lJsg7Asztso=";
+  };
+
+  nativeBuildInputs = [
+    setuptools
+  ];
+
+  propagatedBuildInputs = [
+    ledgercomm
+    packaging
+    typing-extensions
+  ];
+
+  pythonImportsCheck = [
+    "ledger_bitcoin"
+  ];
+
+  meta = with lib; {
+    description = "Client library for Ledger Bitcoin application.";
+    homepage = "https://github.com/LedgerHQ/app-bitcoin-new/tree/develop/bitcoin_client/ledger_bitcoin";
+    license = licenses.asl20;
+  };
+}

pkgs/development/python-modules/ledgercomm/default.nix

@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools
+ }:
+
+buildPythonPackage rec {
+  pname = "ledgercomm";
+  version = "1.1.2";
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-izOPbwv+34Xq8mpq9+QRIGhd+z4pVnGJSMnYOktRVbs=";
+  };
+
+  nativeBuildInputs = [
+    setuptools
+  ];
+
+  pythonImportsCheck = [
+    "ledgercomm"
+  ];
+
+  meta = with lib; {
+    description = "Python library to send and receive APDU through HID or TCP socket. It can be used with a Ledger Nano S/X or with the Speculos emulator.";
+    homepage = "https://github.com/LedgerHQ/ledgercomm";
+    license = licenses.mit;
+  };
+}

pkgs/top-level/python-packages.nix

@@ -5426,8 +5426,12 @@ self: super: with self; {
 
   ledger_agent = callPackage ../development/python-modules/ledger_agent { };
 
+  ledger-bitcoin = callPackage ../development/python-modules/ledger-bitcoin { };
+
   ledgerblue = callPackage ../development/python-modules/ledgerblue { };
 
+  ledgercomm = callPackage ../development/python-modules/ledgercomm { };
+
   ledgerwallet = callPackage ../development/python-modules/ledgerwallet {
     inherit (pkgs.darwin.apple_sdk.frameworks) AppKit;
   };