One node two runtimes (#191)

* One node two runtimes

This enables the rococo-collator to run the normal and the contracts runtime.

* Fix tests

rococo-parachains/primitives/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "rococo-parachain-primitives"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2018"
+
+[dependencies]
+# Substrate dependencies
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "rococo-branch" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "rococo-branch" }
+
+[features]
+default = [ "std" ]
+std = [
+	"sp-runtime/std",
+	"sp-core/std"
+]

rococo-parachains/primitives/src/lib.rs

@@ -0,0 +1,59 @@
+// Copyright 2020 Parity Technologies (UK) Ltd.
+// This file is part of Cumulus.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Primitives used by the Parachains Tick, Trick and Track.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use sp_runtime::{
+	generic,
+	traits::{BlakeTwo256, IdentifyAccount, Verify},
+	MultiSignature,
+};
+
+pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
+
+/// Opaque block header type.
+pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
+/// Opaque block type.
+pub type Block = generic::Block<Header, UncheckedExtrinsic>;
+/// Opaque block identifier type.
+pub type BlockId = generic::BlockId<Block>;
+/// An index to a block.
+pub type BlockNumber = u32;
+
+/// Alias to 512-bit hash when used in the context of a transaction signature on the chain.
+pub type Signature = MultiSignature;
+
+/// Some way of identifying an account on the chain. We intentionally make it equivalent
+/// to the public key of our transaction signing scheme.
+pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;
+
+/// The type for looking up accounts. We don't expect more than 4 billion of them, but you
+/// never know...
+pub type AccountIndex = u32;
+
+/// Balance of an account.
+pub type Balance = u128;
+
+/// Index of a transaction in the chain.
+pub type Index = u32;
+
+/// A hash of some data used by the chain.
+pub type Hash = sp_core::H256;
+
+/// Digest item type.
+pub type DigestItem = generic::DigestItem<Hash>;