lnd: fix cert key format bug

pkgs/default.nix

@@ -22,6 +22,11 @@ let self = {
   spark-wallet = pkgs.callPackage ./spark-wallet { };
   trustedcoin = pkgs.callPackage ./trustedcoin { };
 
+  # TODO-EXTERNAL:
+  # Remove this when https://github.com/lightningnetwork/lnd/pull/7672
+  # has been resolved
+  lnd = pkgsUnstable.callPackage ./lnd { };
+
   pyPkgs = import ./python-packages self pkgs.python3;
   inherit (self.pyPkgs)
     nbPython3Packages

pkgs/lnd/default.nix

@@ -0,0 +1,12 @@
+{ lnd, fetchpatch }:
+
+lnd.overrideAttrs (_: {
+  patches = [
+    (fetchpatch {
+      # https://github.com/lightningnetwork/lnd/pull/7672
+      name = "fix-PKCS8-cert-key-support";
+      url = "https://github.com/lightningnetwork/lnd/pull/7672.patch";
+      hash = "sha256-j9EirxyNi48DGzLuHcZ36LrFlbJLXrE8L+1TYh5Yznk=";
+    })
+  ];
+})

pkgs/pinned.nix

@@ -17,7 +17,6 @@ pkgs: pkgsUnstable:
     fulcrum
     hwi
     lightning-loop
-    lnd
     nbxplorer;
 
   inherit pkgs pkgsUnstable;