polkadot: 0.2.17 -> 0.8.24

pkgs/applications/blockchains/polkadot/default.nix

@@ -1,37 +1,43 @@
-{ stdenv
+{ clang
 , fetchFromGitHub
+, lib
+, llvmPackages
+, protobuf
 , rustPlatform
-, pkgconfig
-, openssl
 }:
-
 rustPlatform.buildRustPackage rec {
   pname = "polkadot";
-  version = "0.2.17";
+  version = "0.8.24";
 
   src = fetchFromGitHub {
     owner = "paritytech";
-    # N.B. In 2018, the thing that was "polkadot" was split off into its own
-    # repo, so if this package is ever updated it should be changed to
-    # paritytech/polkadot, as per comment here:
-    # https://github.com/paritytech/polkadot#note
-    repo = "substrate";
-    rev = "19f4f4d4df3bb266086b4e488739f73d3d5e588c";
-    sha256 = "0v7g03rbml2afw0splmyjh9nqpjg0ldjw09hyc0jqd3qlhgxiiyj";
+    repo = "polkadot";
+    rev = "v${version}";
+    sha256 = "15q5scajxrf82k8nxysah8cs3yl2p09xzzwlkxvjkcn08r3zhig6";
   };
 
-  cargoSha256 = "1h5v7c7xi2r2wzh1pj6xidrg7dx23w3rjm88mggpq7574arijk4i";
+  cargoSha256 = "0qp20g5c15qzp2n1nzwqbnn2wx6c905vh652nvkm7sb1d901iiqi";
 
-  buildInputs = [ pkgconfig openssl openssl.dev ];
+  cargoPatches = [ ./substrate-wasm-builder-runner.patch ];
 
-  meta = with stdenv.lib; {
+  nativeBuildInputs = [ clang ];
+
+  LIBCLANG_PATH = "${llvmPackages.libclang}/lib";
+  PROTOC = "${protobuf}/bin/protoc";
+
+  # NOTE: We don't build the WASM runtimes since this would require a more
+  # complicated rust environment setup. The resulting binary is still useful for
+  # live networks since those just use the WASM blob from the network chainspec.
+  BUILD_DUMMY_WASM_BINARY = 1;
+
+  # We can't run the test suite since we didn't compile the WASM runtimes.
+  doCheck = false;
+
+  meta = with lib; {
     description = "Polkadot Node Implementation";
     homepage = "https://polkadot.network";
     license = licenses.gpl3;
-    maintainers = [ maintainers.akru ];
+    maintainers = with maintainers; [ akru andresilva ];
     platforms = platforms.linux;
-    # Last attempt at building this was on v0.7.22
-    # https://github.com/paritytech/polkadot/releases
-    broken = true;
   };
 }

pkgs/applications/blockchains/polkadot/substrate-wasm-builder-runner.patch

@@ -0,0 +1,25 @@
+diff --git a/Cargo.lock b/Cargo.lock
+index 5e7c4a14..bb67aada 100644
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -8642,8 +8642,7 @@ dependencies = [
+ [[package]]
+ name = "substrate-wasm-builder-runner"
+ version = "1.0.6"
+-source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "d2a965994514ab35d3893e9260245f2947fd1981cdd4fffd2c6e6d1a9ce02e6a"
++source = "git+https://github.com/paritytech/substrate#647ad15565d7c35ecf00b73b12cccad9858780b9"
+ 
+ [[package]]
+ name = "subtle"
+diff --git a/Cargo.toml b/Cargo.toml
+index 78047a1a..2d571f8e 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -112,3 +112,6 @@ polkadot = { path = "/usr/bin/polkadot" }
+ 
+ [package.metadata.rpm.files]
+ "../scripts/packaging/polkadot.service" = { path = "/usr/lib/systemd/system/polkadot.service", mode = "644" }
++
++[patch.crates-io]
++substrate-wasm-builder-runner = { git = "https://github.com/paritytech/substrate", branch = "master" }