nixpkgs-suyu/pkgs/applications/blockchains/polkadot/default.nix
2023-07-24 16:26:50 +01:00

83 lines
2.8 KiB
Nix

{ fetchFromGitHub
, lib
, protobuf
, rocksdb
, rustPlatform
, stdenv
, Security
, SystemConfiguration
}:
rustPlatform.buildRustPackage rec {
pname = "polkadot";
version = "1.0.0";
src = fetchFromGitHub {
owner = "paritytech";
repo = "polkadot";
rev = "v${version}";
hash = "sha256-izm0rpLzwlhpp3dciQ1zj1boWxhgGnNMG5ceZoZQGEE=";
# the build process of polkadot requires a .git folder in order to determine
# the git commit hash that is being built and add it to the version string.
# since having a .git folder introduces reproducibility issues to the nix
# build, we check the git commit hash after fetching the source and save it
# into a .git_commit file, and then delete the .git folder. we can then use
# this file to populate an environment variable with the commit hash, which
# is picked up by polkadot's build process.
leaveDotGit = true;
postFetch = ''
( cd $out; git rev-parse --short HEAD > .git_commit )
rm -rf $out/.git
'';
};
cargoLock = {
lockFile = ./Cargo.lock;
outputHashes = {
"binary-merkle-tree-4.0.0-dev" = "sha256-J09SHQVOLGStMGONdreI5QZlk+uNNKzWRZpGiNJ+lrk=";
"sub-tokens-0.1.0" = "sha256-GvhgZhOIX39zF+TbQWtTCgahDec4lQjH+NqamLFLUxM=";
};
};
# NOTE: the build process currently tries to read some files to generate
# documentation from hardcoded paths that aren't compatible with the cargo
# vendoring strategy, so we need to manually put them in their expected place.
# this should be fixed with the next polkadot release that includes
# https://github.com/paritytech/substrate/pull/14570.
postPatch = ''
FAST_UNSTAKE_DIR=$PWD/../cargo-vendor-dir/pallet-fast-unstake-4.0.0-dev
FAST_UNSTAKE_DOCIFY_DIR=$FAST_UNSTAKE_DIR/frame/fast-unstake
mkdir -p $FAST_UNSTAKE_DOCIFY_DIR
cp -r $FAST_UNSTAKE_DIR/src $FAST_UNSTAKE_DOCIFY_DIR
'';
buildInputs = lib.optionals stdenv.isDarwin [ Security SystemConfiguration ];
nativeBuildInputs = [ rustPlatform.bindgenHook ];
preBuild = ''
export SUBSTRATE_CLI_GIT_COMMIT_HASH=$(cat .git_commit)
rm .git_commit
'';
PROTOC = "${protobuf}/bin/protoc";
ROCKSDB_LIB_DIR = "${rocksdb}/lib";
# NOTE: We don't build the WASM runtimes since this would require a more
# complicated rust environment setup and this is only needed for developer
# environments. The resulting binary is useful for end-users of live networks
# since those just use the WASM blob from the network chainspec.
SKIP_WASM_BUILD = 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.gpl3Only;
maintainers = with maintainers; [ akru andresilva asymmetric FlorianFranzen RaghavSood ];
platforms = platforms.unix;
};
}