Merge #156: Get electrs source tarball with gpg verified sha256 and c…

…orresponding helper script

1acb22a Get electrs source tarball with gpg verified sha256 and corresponding helper script (nixbitcoin)
707b06a Update pinned nixpkgs (nixbitcoin)

Pull request description:

ACKs for top commit:
  jonasnick:
    ACK 1acb22a

Tree-SHA512: 9664d7e8dbedbc7e6c4ccbf8059a4e6379ebeca46ae60da8ac22d424d53830435642a89bfb2a4ff988589e21c8e08d494d933923667f0634830eec4717f0c52a

pkgs/electrs/default.nix

@@ -1,17 +1,16 @@
-{ lib, rustPlatform, clang, llvmPackages, fetchFromGitHub, pkgs }:
+{ lib, rustPlatform, llvmPackages, fetchurl, pkgs }:
 rustPlatform.buildRustPackage rec {
   pname = "electrs";
   version = "0.8.3";
 
-  src = fetchFromGitHub {
-    owner = "romanz";
-    repo = "electrs";
-    rev = "v${version}";
-    sha256 = "01993iv3kkf56s5x33gvk433zjwvqlfxa5vqrjl4ghr4i303ysc2";
+  src = fetchurl {
+    url = "https://github.com/romanz/electrs/archive/v${version}.tar.gz";
+    # Use ./get-sha256.sh to fetch latest (verified) sha256
+    sha256 = "6a00226907a0c36b10884e7dd9f87eb58123f089977a752b917d166af072ea3d";
   };
 
   # Needed for librocksdb-sys
-  buildInputs = [ clang ];
+  nativeBuildInputs = [ llvmPackages.clang ];
   LIBCLANG_PATH = "${llvmPackages.libclang}/lib";
 
   cargoSha256 = if pkgs ? cargo-vendor then

pkgs/electrs/get-sha256.sh

@@ -0,0 +1,24 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p git gnupg
+set -euo pipefail
+
+TMPDIR="$(mktemp -d -p /tmp)"
+trap "rm -rf $TMPDIR" EXIT
+cd $TMPDIR
+
+echo "Fetching latest release"
+git clone https://github.com/romanz/electrs 2> /dev/null
+cd electrs
+latest=$(git describe --tags `git rev-list --tags --max-count=1`)
+echo "Latest release is ${latest}"
+
+# GPG verification
+export GNUPGHOME=$TMPDIR
+echo "Fetching Roman Zeyde's Key"
+gpg --keyserver hkps://hkps.pool.sks-keyservers.net --recv-keys 15c8c3574ae4f1e25f3f35c587cae5fa46917cbb 2> /dev/null
+echo "Verifying latest release"
+git verify-tag ${latest}
+
+echo "tag: ${latest}"
+# The prefix option is necessary because GitHub prefixes the archive contents in this format
+echo "sha256: $(git archive --format tar.gz --prefix=electrs-"${latest//v}"/ ${latest} | sha256sum | cut -d\  -f1)"

pkgs/nixpkgs-pinned.nix

@@ -8,11 +8,11 @@ in
 {
   # To update, run ../helper/fetch-channel REV
   nixpkgs = fetch {
-    rev = "c2c5dcc00b05f0f6007d7a997dc9d90aefb49f28";
-    sha256 = "1sjy9b1jh7k4bhww42zyjjim4c1nn8r4fdbqmyqy4hjyfrh9z6jc";
+    rev = "839cd8d03aa55f067e23a64097fc5b7d7e02f468";
+    sha256 = "1w0xklkk9lbwvrx02gng71pyf476h223098692pji5wg5l0sgm02";
   };
   nixpkgs-unstable = fetch {
-    rev = "ea79a830dcf9c0059656da7f52835d2663d5c436";
-    sha256 = "0vqnfh99358v9ym5z9i3dsfy0l4xxgh9hr278pi1y11gdl092014";
+    rev = "7c2fc1ce23a805f3220d867f528ceb9bd848d2e1";
+    sha256 = "1g562hlp5ha11a41daav9bnq86n4nmbm3xzhpzmma8c4jn4k2p8y";
   };
 }