electron-cash: 4.3.1 -> 4.4.2, fix build and tests (#376281)

pkgs/applications/misc/electron-cash/default.nix pkgs/by-name/el/electron-cash/package.nix

···
-{ lib, stdenv, fetchFromGitHub, python3Packages, wrapQtAppsHook
-, secp256k1, qtwayland }:
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  python3Packages,
+  qt5,
+  secp256k1,
+}:
 
 python3Packages.buildPythonApplication rec {
   pname = "electron-cash";
-  version = "4.3.1";
+  version = "4.4.2";
 
   src = fetchFromGitHub {
     owner = "Electron-Cash";
     repo = "Electron-Cash";
     tag = version;
-    sha256 = "sha256-xOyj5XerOwgfvI0qj7+7oshDvd18h5IeZvcJTis8nWo=";
+    sha256 = "sha256-hqaPxetS6JONvlRMjNonXUGFpdmnuadD00gcPzY07x0=";
   };
 
   build-system = with python3Packages; [
···
     psutil
     pycryptodomex
     cryptography
+    zxing-cpp
 
     # requirements-hw
     trezor
···
     pysatochip
   ];
 
-  nativeBuildInputs = [ wrapQtAppsHook ];
+  nativeBuildInputs = [ qt5.wrapQtAppsHook ];
 
-  buildInputs = [ ] ++ lib.optional stdenv.hostPlatform.isLinux qtwayland;
-
-  postPatch = ''
-    substituteInPlace contrib/requirements/requirements.txt \
-      --replace "qdarkstyle==2.6.8" "qdarkstyle<3"
-
-    substituteInPlace setup.py \
-      --replace "(share_dir" "(\"share\""
-  '';
+  buildInputs = [ ] ++ lib.optional stdenv.hostPlatform.isLinux qt5.qtwayland;
 
   # If secp256k1 wasn't added to the library path, the following warning is given:
   #
   #   Electron Cash was unable to find the secp256k1 library on this system.
   #   Elliptic curve cryptography operations will be performed in slow
   #   Python-only mode.
+  #
+  # Upstream hardcoded `libsecp256k1.so.0` where we provides
+  # `libsecp256k1.so.5`. The only breaking change is the removal of two
+  # functions which seem not used by electron-cash.
+  # See: <https://github.com/Electron-Cash/Electron-Cash/issues/3009>
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace-fail "(share_dir" '("share"'
+    substituteInPlace electroncash/secp256k1.py \
+      --replace-fail "libsecp256k1.so.0" "${secp256k1}/lib/libsecp256k1.so.5"
+  '';
+
   preFixup = ''
     makeWrapperArgs+=("''${qtWrapperArgs[@]}")
-    makeWrapperArgs+=(
-      "--prefix" "LD_LIBRARY_PATH" ":" "${secp256k1}/lib"
-    )
   '';
 
   doInstallCheck = true;
   installCheckPhase = ''
-    $out/bin/electron-cash help >/dev/null
+    output="$($out/bin/electron-cash help 2>&1)"
+    if [[ "$output" == *"failed to load"* ]]; then
+      echo "$output"
+      echo "Forbidden text detected: failed to load"
+      exit 1
+    fi
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Bitcoin Cash SPV Wallet";
     mainProgram = "electron-cash";
     longDescription = ''
···
       of the blockchain.
     '';
     homepage = "https://www.electroncash.org/";
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ lassulus nyanloutre oxalica ];
-    license = licenses.mit;
+    platforms = lib.platforms.unix;
+    maintainers = with lib.maintainers; [
+      lassulus
+      nyanloutre
+      oxalica
+    ];
+    license = lib.licenses.mit;
   };
 }

pkgs/top-level/all-packages.nix

···
     inherit (darwin.apple_sdk.frameworks) AppKit;
   };
 
-  electron-cash = libsForQt5.callPackage ../applications/misc/electron-cash { };
-
   electrum = libsForQt5.callPackage ../applications/misc/electrum { };
 
   electrum-grs = libsForQt5.callPackage ../applications/misc/electrum/grs.nix { };