btchip: init at 0.1.28

electrum and electron-cash: add support for btchip library (#40816)

pkgs/applications/misc/electron-cash/default.nix

@@ -34,6 +34,7 @@ python3Packages.buildPythonApplication rec {
     # plugins
     keepkey
     trezor
+    btchip
   ];
 
   nativeBuildInputs = [ makeWrapper ];

pkgs/applications/misc/electrum/default.nix

@@ -41,10 +41,10 @@ python3Packages.buildPythonApplication rec {
     # plugins
     keepkey
     trezor
+    btchip
 
     # TODO plugins
     # amodem
-    # btchip
   ];
 
   preBuild = ''

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

@@ -0,0 +1,23 @@
+{ stdenv, buildPythonPackage, fetchPypi, hidapi, pyscard, ecdsa }:
+
+buildPythonPackage rec {
+  pname = "btchip-python";
+  version = "0.1.28";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "10yxwlsr99gby338rsnczkfigcy36fiajpkr6f44438qlvbx02fs";
+  };
+
+  propagatedBuildInputs = [ hidapi pyscard ecdsa ];
+
+  # tests requires hardware
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Python communication library for Ledger Hardware Wallet products";
+    homepage = "https://github.com/LedgerHQ/btchip-python";
+    license = licenses.asl20;
+  };
+}

pkgs/top-level/python-packages.nix

@@ -250,6 +250,8 @@ in {
 
   dependency-injector = callPackage ../development/python-modules/dependency-injector { };
 
+  btchip = callPackage ../development/python-modules/btchip { };
+
   dbf = callPackage ../development/python-modules/dbf { };
 
   dbfread = callPackage ../development/python-modules/dbfread { };