Fix warning and directory restructure.

substrate/polkadot/runtime/src/lib.rs

@@ -0,0 +1,121 @@
+// Copyright 2017 Parity Technologies (UK) Ltd.
+// This file is part of Polkadot.
+
+// Polkadot 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.
+
+// Polkadot 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 Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+
+//! The Polkadot runtime. This can be compiled with #[no_std], ready for Wasm.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+extern crate substrate_runtime_std as rstd;
+
+#[macro_use]
+extern crate substrate_runtime_io as runtime_io;
+
+#[cfg(feature = "std")]
+extern crate rustc_hex;
+
+extern crate substrate_codec as codec;
+extern crate substrate_primitives;
+extern crate polkadot_primitives;
+
+#[cfg(test)]
+#[macro_use]
+extern crate hex_literal;
+
+#[macro_use]
+pub mod support;
+pub mod runtime;
+
+#[cfg(feature = "std")]
+pub mod genesismap;
+
+use rstd::prelude::*;
+use codec::Slicable;
+use polkadot_primitives::{Header, Block, UncheckedTransaction};
+
+/// Type definitions and helpers for transactions.
+pub mod transaction {
+	use rstd::ops;
+	use polkadot_primitives::Signature;
+	pub use polkadot_primitives::{Transaction, UncheckedTransaction};
+
+	/// A type-safe indicator that a transaction has been checked.
+	#[derive(PartialEq, Eq, Clone)]
+	#[cfg_attr(feature = "std", derive(Debug))]
+	pub struct CheckedTransaction(UncheckedTransaction);
+
+	impl CheckedTransaction {
+		/// Get a reference to the checked signature.
+		pub fn signature(&self) -> &Signature {
+			&self.0.signature
+		}
+	}
+
+	impl ops::Deref for CheckedTransaction {
+		type Target = Transaction;
+
+		fn deref(&self) -> &Transaction {
+			&self.0.transaction
+		}
+	}
+
+	/// Check the signature on a transaction.
+	///
+	/// On failure, return the transaction back.
+	pub fn check(tx: UncheckedTransaction) -> Result<CheckedTransaction, UncheckedTransaction> {
+		let msg = ::codec::Slicable::to_vec(&tx.transaction);
+		if ::runtime_io::ed25519_verify(&tx.signature.0, &msg, &tx.transaction.signed) {
+			Ok(CheckedTransaction(tx))
+		} else {
+			Err(tx)
+		}
+	}
+}
+
+/// Execute a block, with `input` being the canonical serialisation of the block. Returns the
+/// empty vector.
+pub fn execute_block(mut input: &[u8]) -> Vec<u8> {
+	runtime::system::internal::execute_block(Block::from_slice(&mut input).unwrap());
+	Vec::new()
+}
+
+/// Execute a given, serialised, transaction. Returns the empty vector.
+pub fn execute_transaction(mut input: &[u8]) -> Vec<u8> {
+	let header = Header::from_slice(&mut input).unwrap();
+	let utx = UncheckedTransaction::from_slice(&mut input).unwrap();
+	let header = runtime::system::internal::execute_transaction(utx, header);
+	header.to_vec()
+}
+
+/// Execute a given, serialised, transaction. Returns the empty vector.
+pub fn finalise_block(mut input: &[u8]) -> Vec<u8> {
+	let header = Header::from_slice(&mut input).unwrap();
+	let header = runtime::system::internal::finalise_block(header);
+	header.to_vec()
+}
+
+/// Run whatever tests we have.
+pub fn run_tests(mut input: &[u8]) -> Vec<u8> {
+	use runtime_io::print;
+
+	print("run_tests...");
+	let block = Block::from_slice(&mut input).unwrap();
+	print("deserialised block.");
+	let stxs = block.transactions.iter().map(Slicable::to_vec).collect::<Vec<_>>();
+	print("reserialised transactions.");
+	[stxs.len() as u8].to_vec()
+}
+
+impl_stubs!(execute_block, execute_transaction, finalise_block, run_tests);