Make Polkadot use the Substrate traity libraries (#105)

* Initial stuff.

* Various fixes.

* Fix tests.

* Fix another test

* Fix another test.

* Docs in polkadot runtime.

* Fix up ser/de tests.

* Update god keys

* Syntax

* Fix

* Merge remote-tracking branch 'origin/master' into gav-merge-runtime

* Permissions on init.sh

* Port-over the whitespace from @rphmeier

* Rename

* Merge branch 'master' into gav-merge-runtime

* Fix typo.

* Fix grumbles.

* Make more idiomatic.

* Move `Ed25519Signature` out of traits.

polkadot/api/Cargo.toml

@@ -8,7 +8,10 @@ error-chain = "0.11"
 polkadot-executor = { path = "../executor" }
 polkadot-runtime = { path = "../runtime" }
 polkadot-primitives = { path = "../primitives" }
+substrate-codec = { path = "../../substrate/codec" }
+substrate-runtime-io = { path = "../../substrate/runtime-io" }
 substrate-client = { path = "../../substrate/client" }
+substrate-primitives = { path = "../../substrate/primitives" }
 substrate-executor = { path = "../../substrate/executor" }
 substrate-state-machine = { path = "../../substrate/state-machine" }
 

polkadot/api/src/lib.rs

@@ -18,10 +18,13 @@
 //! runtime.
 
 extern crate polkadot_executor;
-extern crate polkadot_runtime;
+extern crate polkadot_runtime as runtime;
 extern crate polkadot_primitives as primitives;
+extern crate substrate_codec as codec;
+extern crate substrate_runtime_io as runtime_io;
 extern crate substrate_client as client;
 extern crate substrate_executor as substrate_executor;
+extern crate substrate_primitives;
 extern crate substrate_state_machine as state_machine;
 
 #[macro_use]
@@ -32,14 +35,12 @@ extern crate substrate_keyring as keyring;
 
 use client::backend::Backend;
 use client::Client;
-use polkadot_runtime::runtime;
 use polkadot_executor::Executor as LocalDispatch;
 use substrate_executor::{NativeExecutionDispatch, NativeExecutor};
 use state_machine::OverlayedChanges;
-use primitives::{AccountId, SessionKey, Timestamp, TxOrder};
+use primitives::{AccountId, BlockId, Index, SessionKey, Timestamp};
-use primitives::block::{Id as BlockId, Block, Header, Body};
-use primitives::transaction::UncheckedTransaction;
 use primitives::parachain::DutyRoster;
+use runtime::{Block, Header, UncheckedExtrinsic, Extrinsic, Call, TimestampCall};
 
 error_chain! {
 	errors {
@@ -53,15 +54,15 @@ error_chain! {
 			description("Unknown block")
 			display("Unknown block")
 		}
-		/// Attempted to push an inherent transaction manually.
+		/// Attempted to push an inherent extrinsic manually.
-		PushedInherentTransaction(tx: UncheckedTransaction) {
+		PushedInherentTransaction(xt: UncheckedExtrinsic) {
-			description("Attempted to push an inherent transaction to a block."),
+			description("Attempted to push an inherent extrinsic to a block."),
-			display("Pushed inherent transaction to a block: {:?}", tx),
+			display("Pushed inherent extrinsic to a block: {:?}", xt),
 		}
-		/// Badly-formed transaction.
+		/// Badly-formed extrinsic.
-		BadlyFormedTransaction(tx: UncheckedTransaction) {
+		BadlyFormedTransaction(xt: UncheckedExtrinsic) {
-			description("Attempted to push a badly-formed transaction to a block."),
+			description("Attempted to push a badly-formed extrinsic to a block."),
-			display("Pushed badly-formed transaction to a block: {:?}", tx),
+			display("Pushed badly-formed extrinsic to a block: {:?}", xt),
 		}
 		/// Some other error.
 		// TODO: allow to be specified as associated type of PolkadotApi
@@ -87,8 +88,8 @@ impl From<client::error::Error> for Error {
 
 /// A builder for blocks.
 pub trait BlockBuilder: Sized {
-	/// Push a non-inherent transaction.
+	/// Push a non-inherent extrinsic.
-	fn push_transaction(&mut self, transaction: UncheckedTransaction) -> Result<()>;
+	fn push_extrinsic(&mut self, extrinsic: UncheckedExtrinsic) -> Result<()>;
 
 	/// Finalise the block.
 	fn bake(self) -> Block;
@@ -127,8 +128,8 @@ pub trait PolkadotApi {
 	/// Get the timestamp registered at a block.
 	fn timestamp(&self, at: &Self::CheckedBlockId) -> Result<Timestamp>;
 
-	/// Get the nonce of an account at a block.
+	/// Get the index of an account at a block.
-	fn nonce(&self, at: &Self::CheckedBlockId, account: AccountId) -> Result<TxOrder>;
+	fn index(&self, at: &Self::CheckedBlockId, account: AccountId) -> Result<Index>;
 
 
 	/// Evaluate a block and see if it gives an error.
@@ -179,27 +180,27 @@ impl<B: Backend> PolkadotApi for Client<B, NativeExecutor<LocalDispatch>>
 	}
 
 	fn session_keys(&self, at: &CheckedId) -> Result<Vec<SessionKey>> {
-		with_runtime!(self, at, ::runtime::consensus::authorities)
+		with_runtime!(self, at, ::runtime::Consensus::authorities)
 	}
 
 	fn validators(&self, at: &CheckedId) -> Result<Vec<AccountId>> {
-		with_runtime!(self, at, ::runtime::session::validators)
+		with_runtime!(self, at, ::runtime::Session::validators)
 	}
 
 	fn duty_roster(&self, at: &CheckedId) -> Result<DutyRoster> {
-		with_runtime!(self, at, ::runtime::parachains::calculate_duty_roster)
+		with_runtime!(self, at, ::runtime::Parachains::calculate_duty_roster)
 	}
 
 	fn timestamp(&self, at: &CheckedId) -> Result<Timestamp> {
-		with_runtime!(self, at, ::runtime::timestamp::get)
+		with_runtime!(self, at, ::runtime::Timestamp::now)
 	}
 
 	fn evaluate_block(&self, at: &CheckedId, block: Block) -> Result<()> {
-		with_runtime!(self, at, || ::runtime::system::internal::execute_block(block))
+		with_runtime!(self, at, || ::runtime::Executive::execute_block(block))
 	}
 
-	fn nonce(&self, at: &Self::CheckedBlockId, account: AccountId) -> Result<TxOrder> {
+	fn index(&self, at: &Self::CheckedBlockId, account: AccountId) -> Result<Index> {
-		with_runtime!(self, at, || ::runtime::system::nonce(account))
+		with_runtime!(self, at, || ::runtime::System::account_index(account))
 	}
 
 	fn build_block(&self, parent: &CheckedId, timestamp: Timestamp) -> Result<Self::BlockBuilder> {
@@ -208,14 +209,20 @@ impl<B: Backend> PolkadotApi for Client<B, NativeExecutor<LocalDispatch>>
 			parent_hash: self.block_hash_from_id(parent)?.ok_or(ErrorKind::UnknownBlock(*parent))?,
 			number: self.block_number_from_id(parent)?.ok_or(ErrorKind::UnknownBlock(*parent))? + 1,
 			state_root: Default::default(),
-			transaction_root: Default::default(),
+			extrinsics_root: Default::default(),
 			digest: Default::default(),
 		};
 
-		let body = Body {
+		let extrinsics = vec![
-			timestamp: timestamp,
+			UncheckedExtrinsic {
-			transactions: Vec::new(),
+				extrinsic: Extrinsic {
-		};
+					signed: Default::default(),
+					index: Default::default(),
+					function: Call::Timestamp(TimestampCall::set(timestamp)),
+				},
+				signature: Default::default(),
+			}
+		];
 
 		let mut builder = ClientBlockBuilder {
 			parent: *parent,
@@ -223,11 +230,13 @@ impl<B: Backend> PolkadotApi for Client<B, NativeExecutor<LocalDispatch>>
 			state: self.state_at(parent)?,
 			header,
 			timestamp,
-			transactions: Vec::new(),
+			extrinsics: extrinsics.clone(),
 		};
 
-		for inherent in body.inherent_transactions() {
+		builder.initialise_block()?;
-			builder.execute_transaction(inherent)?;
+
+		for inherent in extrinsics {
+			builder.apply_extrinsic(inherent)?;
 		}
 
 		Ok(builder)
@@ -242,34 +251,53 @@ pub struct ClientBlockBuilder<S> {
 	state: S,
 	header: Header,
 	timestamp: Timestamp,
-	transactions: Vec<UncheckedTransaction>,
+	extrinsics: Vec<UncheckedExtrinsic>,
 }
 
 impl<S: state_machine::Backend> ClientBlockBuilder<S>
 	where S::Error: Into<client::error::Error>
 {
-	// executes a transaction, inherent or otherwise, without appending to the list
+	// executes a extrinsic, inherent or otherwise, without appending to the list
-	fn execute_transaction(&mut self, transaction: UncheckedTransaction) -> Result<()> {
+	fn initialise_block(&mut self) -> Result<()> {
-		if !transaction.is_well_formed() {
-			bail!(ErrorKind::BadlyFormedTransaction(transaction));
-		}
-
 		let mut ext = state_machine::Ext {
 			overlay: &mut self.changes,
 			backend: &self.state,
 		};
 
-		// TODO: avoid clone
+		let h = self.header.clone();
-		let header = self.header.clone();
+
 		let result = ::substrate_executor::with_native_environment(
 			&mut ext,
-			move || runtime::system::internal::execute_transaction(transaction, header),
+			|| runtime::Executive::initialise_block(&h),
 		).map_err(Into::into);
 
 		match result {
-			Ok(header) => {
+			Ok(_) => {
+				ext.overlay.commit_prospective();
+				Ok(())
+			}
+			Err(e) => {
+				ext.overlay.discard_prospective();
+				Err(e)
+			}
+		}
+	}
+
+	// executes a extrinsic, inherent or otherwise, without appending to the list
+	fn apply_extrinsic(&mut self, extrinsic: UncheckedExtrinsic) -> Result<()> {
+		let mut ext = state_machine::Ext {
+			overlay: &mut self.changes,
+			backend: &self.state,
+		};
+
+		let result = ::substrate_executor::with_native_environment(
+			&mut ext,
+			move || runtime::Executive::apply_extrinsic(extrinsic),
+		).map_err(Into::into);
+
+		match result {
+			Ok(_) => {
 				ext.overlay.commit_prospective();
-				self.header = header;
 				Ok(())
 			}
 			Err(e) => {
@@ -283,12 +311,13 @@ impl<S: state_machine::Backend> ClientBlockBuilder<S>
 impl<S: state_machine::Backend> BlockBuilder for ClientBlockBuilder<S>
 	where S::Error: Into<client::error::Error>
 {
-	fn push_transaction(&mut self, transaction: UncheckedTransaction) -> Result<()> {
+	fn push_extrinsic(&mut self, extrinsic: UncheckedExtrinsic) -> Result<()> {
-		if transaction.transaction.function.is_inherent() {
+		// Check that this is not an "inherent" extrinsic.
-			bail!(ErrorKind::PushedInherentTransaction(transaction));
+		if extrinsic.signature == Default::default() {
+			bail!(ErrorKind::PushedInherentTransaction(extrinsic));
 		} else {
-			self.execute_transaction(transaction.clone())?;
+			self.apply_extrinsic(extrinsic.clone())?;
-			self.transactions.push(transaction);
+			self.extrinsics.push(extrinsic);
 			Ok(())
 		}
 	}
@@ -299,18 +328,14 @@ impl<S: state_machine::Backend> BlockBuilder for ClientBlockBuilder<S>
 			backend: &self.state,
 		};
 
-		let old_header = self.header;
 		let final_header = ::substrate_executor::with_native_environment(
 			&mut ext,
-			move || runtime::system::internal::finalise_block(old_header)
+			move || runtime::Executive::finalise_block()
-		).expect("all inherent transactions pushed; all other transactions executed correctly; qed");
+		).expect("all inherent extrinsics pushed; all other extrinsics executed correctly; qed");
 
 		Block {
 			header: final_header,
-			body: Body {
+			extrinsics: self.extrinsics,
-				timestamp: self.timestamp,
-				transactions: self.transactions,
-			}
 		}
 	}
 }
@@ -318,10 +343,12 @@ impl<S: state_machine::Backend> BlockBuilder for ClientBlockBuilder<S>
 #[cfg(test)]
 mod tests {
 	use super::*;
-	use client::in_mem::Backend as InMemory;
+	use runtime_io::with_externalities;
-	use polkadot_runtime::genesismap::{additional_storage_with_genesis, GenesisConfig};
-	use substrate_executor::NativeExecutionDispatch;
 	use keyring::Keyring;
+	use codec::Slicable;
+	use client::in_mem::Backend as InMemory;
+	use substrate_executor::NativeExecutionDispatch;
+	use runtime::{GenesisConfig, ConsensusConfig, SessionConfig, BuildExternalities};
 
 	fn validators() -> Vec<AccountId> {
 		vec![
@@ -331,20 +358,31 @@ mod tests {
 	}
 
 	fn client() -> Client<InMemory, NativeExecutor<LocalDispatch>> {
+		let genesis_config = GenesisConfig {
+			consensus: Some(ConsensusConfig {
+				code: LocalDispatch::native_equivalent().to_vec(),
+				authorities: validators(),
+			}),
+			system: None,
+			session: Some(SessionConfig {
+				validators: validators(),
+				session_length: 100,
+			}),
+			council: Some(Default::default()),
+			democracy: Some(Default::default()),
+			parachains: Some(Default::default()),
+			staking: Some(Default::default()),
+		};
 		::client::new_in_mem(
 			LocalDispatch::new(),
 			|| {
-				let config = GenesisConfig::new_simple(validators(), 100);
+				let mut storage = genesis_config.build_externalities();
-
+				let block = ::client::genesis::construct_genesis_block(&storage);
-				// override code entry.
+				with_externalities(&mut storage, ||
-				let mut storage = config.genesis_map();
+					// TODO: use api.rs to dispatch instead
-				storage.insert(b":code".to_vec(), LocalDispatch::native_equivalent().to_vec());
+					runtime::System::initialise_genesis_state(&block.header)
-
-				let block = ::client::genesis::construct_genesis_block(
-					&config.genesis_map()
 				);
-				storage.extend(additional_storage_with_genesis(&block));
+				(substrate_primitives::block::Header::decode(&mut block.header.encode().as_ref()).expect("to_vec() always gives a valid serialisation; qed"), storage.into_iter().collect())
-				(block.header, storage.into_iter().collect())
 			}
 		).unwrap()
 	}

polkadot/consensus/Cargo.toml

@@ -13,6 +13,7 @@ log = "0.4"
 polkadot-api = { path = "../api" }
 polkadot-collator = { path = "../collator" }
 polkadot-primitives = { path = "../primitives" }
+polkadot-runtime = { path = "../runtime" }
 polkadot-statement-table = { path = "../statement-table" }
 polkadot-transaction-pool = { path = "../transaction-pool" }
 substrate-bft = { path = "../../substrate/bft" }

polkadot/consensus/src/lib.rs

@@ -38,6 +38,7 @@ extern crate polkadot_collator as collator;
 extern crate polkadot_statement_table as table;
 extern crate polkadot_primitives;
 extern crate polkadot_transaction_pool as transaction_pool;
+extern crate polkadot_runtime;
 extern crate substrate_bft as bft;
 extern crate substrate_codec as codec;
 extern crate substrate_primitives as primitives;
@@ -62,11 +63,11 @@ use table::generic::Statement as GenericStatement;
 use runtime_support::Hashable;
 use polkadot_api::{PolkadotApi, BlockBuilder};
 use polkadot_primitives::{Hash, Timestamp};
-use polkadot_primitives::block::Block as PolkadotBlock;
 use polkadot_primitives::parachain::{Id as ParaId, DutyRoster, BlockData, Extrinsic, CandidateReceipt};
+use polkadot_runtime::Block as PolkadotGenericBlock;
 use primitives::block::{Block as SubstrateBlock, Header as SubstrateHeader, HeaderHash, Id as BlockId, Number as BlockNumber};
 use primitives::AuthorityId;
-use transaction_pool::{Ready, TransactionPool};
+use transaction_pool::{Ready, TransactionPool, PolkadotBlock};
 
 use futures::prelude::*;
 use futures::future;
@@ -152,7 +153,7 @@ impl TableContext {
 	}
 
 	fn sign_statement(&self, statement: table::Statement) -> table::SignedStatement {
-		let signature = sign_table_statement(&statement, &self.key, &self.parent_hash);
+		let signature = sign_table_statement(&statement, &self.key, &self.parent_hash).into();
 		let local_id = self.key.public().0;
 
 		table::SignedStatement {
@@ -552,7 +553,7 @@ impl<C: PolkadotApi, R: TableRouter> bft::Proposer for Proposer<C, R> {
 
 				if pending_size + pending.encoded_size() >= MAX_TRANSACTIONS_SIZE { break }
 
-				match block_builder.push_transaction(pending.as_transaction().clone()) {
+				match block_builder.push_extrinsic(pending.as_transaction().clone()) {
 					Ok(()) => {
 						pending_size += pending.encoded_size();
 					}
@@ -582,23 +583,23 @@ impl<C: PolkadotApi, R: TableRouter> bft::Proposer for Proposer<C, R> {
 	fn import_misbehavior(&self, misbehavior: Vec<(AuthorityId, bft::Misbehavior)>) {
 		use bft::generic::Misbehavior as GenericMisbehavior;
 		use primitives::bft::{MisbehaviorKind, MisbehaviorReport};
-		use polkadot_primitives::transaction::{Function, Transaction, UncheckedTransaction};
+		use polkadot_runtime::{Call, Extrinsic, UncheckedExtrinsic, ConsensusCall};
 
 		let local_id = self.local_key.public().0;
 		let mut pool = self.transaction_pool.lock();
-		let mut next_nonce = {
+		let mut next_index = {
 			let readiness_evaluator = Ready::create(self.parent_id.clone(), &*self.client);
 
-			let cur_nonce = pool.pending(readiness_evaluator)
+			let cur_index = pool.pending(readiness_evaluator)
-				.filter(|tx| tx.as_transaction().transaction.signed == local_id)
+				.filter(|tx| tx.as_ref().as_ref().signed == local_id)
 				.last()
-				.map(|tx| Ok(tx.as_transaction().transaction.nonce))
+				.map(|tx| Ok(tx.as_ref().as_ref().index))
-				.unwrap_or_else(|| self.client.nonce(&self.parent_id, local_id));
+				.unwrap_or_else(|| self.client.index(&self.parent_id, local_id));
 
-			match cur_nonce {
+			match cur_index {
-				Ok(cur_nonce) => cur_nonce + 1,
+				Ok(cur_index) => cur_index + 1,
 				Err(e) => {
-					warn!(target: "consensus", "Error computing next transaction nonce: {}", e);
+					warn!(target: "consensus", "Error computing next transaction index: {}", e);
 					return;
 				}
 			}
@@ -618,23 +619,18 @@ impl<C: PolkadotApi, R: TableRouter> bft::Proposer for Proposer<C, R> {
 						=> MisbehaviorKind::BftDoubleCommit(round as u32, (h1, s1.signature), (h2, s2.signature)),
 				}
 			};
-
+			let extrinsic = Extrinsic {
-			let tx = Transaction {
 				signed: local_id,
-				nonce: next_nonce,
+				index: next_index,
-				function: Function::ReportMisbehavior(report),
+				function: Call::Consensus(ConsensusCall::report_misbehavior(report)),
 			};
 
-			next_nonce += 1;
+			next_index += 1;
 
-			let message = tx.encode();
+			let signature = self.local_key.sign(&extrinsic.encode()).into();
-			let signature = self.local_key.sign(&message);
+			let uxt = UncheckedExtrinsic { extrinsic, signature };
-			let tx = UncheckedTransaction {
-				transaction: tx,
-				signature,
-			};
 
-			pool.import(tx).expect("locally signed transaction is valid; qed");
+			pool.import(uxt).expect("locally signed extrinsic is valid; qed");
 		}
 	}
 }
@@ -649,10 +645,11 @@ fn evaluate_proposal<C: PolkadotApi>(
 	const MAX_TIMESTAMP_DRIFT: Timestamp = 4;
 
 	let encoded = Slicable::encode(proposal);
-	let proposal = PolkadotBlock::decode(&mut &encoded[..])
+	let proposal = PolkadotGenericBlock::decode(&mut &encoded[..])
+		.and_then(|b| PolkadotBlock::from(b).ok())
 		.ok_or_else(|| ErrorKind::ProposalNotForPolkadot)?;
 
-	let transactions_size = proposal.body.transactions.iter().fold(0, |a, tx| {
+	let transactions_size = proposal.extrinsics.iter().fold(0, |a, tx| {
 		a + Slicable::encode(tx).len()
 	});
 
@@ -668,7 +665,7 @@ fn evaluate_proposal<C: PolkadotApi>(
 	// a) we assume the parent is valid.
 	// b) the runtime checks that `proposal.parent_hash` == `block_hash(proposal.number - 1)`
 
-	let block_timestamp = proposal.body.timestamp;
+	let block_timestamp = proposal.timestamp();
 
 	// TODO: just defer using `tokio_timer` to delay prepare vote.
 	if block_timestamp > now + MAX_TIMESTAMP_DRIFT {
@@ -676,6 +673,6 @@ fn evaluate_proposal<C: PolkadotApi>(
 	}
 
 	// execute the block.
-	client.evaluate_block(parent_id, proposal)?;
+	client.evaluate_block(parent_id, proposal.into())?;
 	Ok(true)
 }

polkadot/executor/src/lib.rs

@@ -27,282 +27,4 @@ extern crate polkadot_primitives as polkadot_primitives;
 extern crate ed25519;
 extern crate triehash;
 
-#[cfg(test)] extern crate substrate_keyring as keyring;
-#[cfg(test)] extern crate substrate_runtime_support as runtime_support;
-#[cfg(test)] #[macro_use] extern crate hex_literal;
-
 native_executor_instance!(pub Executor, polkadot_runtime::api::dispatch, include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm"));
-
-#[cfg(test)]
-mod tests {
-	use runtime_io;
-	use super::Executor;
-	use substrate_executor::WasmExecutor;
-	use codec::{KeyedVec, Slicable, Joiner};
-	use keyring::Keyring;
-	use runtime_support::Hashable;
-	use polkadot_runtime::runtime::staking::balance;
-	use state_machine::{CodeExecutor, TestExternalities};
-	use primitives::twox_128;
-	use polkadot_primitives::{
-		Hash, Header, Body, BlockNumber, Block, Digest, Transaction,
-		UncheckedTransaction, Function, InherentFunction,
-	};
-	use ed25519::{Public, Pair};
-
-	const BLOATY_CODE: &[u8] = include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm");
-	const COMPACT_CODE: &[u8] = include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm");
-
-	// TODO: move into own crate.
-	macro_rules! map {
-		($( $name:expr => $value:expr ),*) => (
-			vec![ $( ( $name, $value ) ),* ].into_iter().collect()
-		)
-	}
-
-	fn new_test_ext() -> TestExternalities {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-
-		map![
-			twox_128(&0u64.to_keyed_vec(b"sys:old:")).to_vec() => [69u8; 32].encode(),
-			twox_128(b"gov:apr").to_vec() => vec![].and(&667u32),
-			twox_128(b"ses:len").to_vec() => vec![].and(&2u64),
-			twox_128(b"ses:val:len").to_vec() => vec![].and(&3u32),
-			twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => one.to_vec(),
-			twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => two.to_vec(),
-			twox_128(&2u32.to_keyed_vec(b"ses:val:")).to_vec() => three.to_vec(),
-			twox_128(b"sta:wil:len").to_vec() => vec![].and(&3u32),
-			twox_128(&0u32.to_keyed_vec(b"sta:wil:")).to_vec() => one.to_vec(),
-			twox_128(&1u32.to_keyed_vec(b"sta:wil:")).to_vec() => two.to_vec(),
-			twox_128(&2u32.to_keyed_vec(b"sta:wil:")).to_vec() => three.to_vec(),
-			twox_128(b"sta:spe").to_vec() => vec![].and(&2u64),
-			twox_128(b"sta:vac").to_vec() => vec![].and(&3u64),
-			twox_128(b"sta:era").to_vec() => vec![].and(&0u64),
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
-		]
-	}
-
-	fn set_timestamp(timestamp: u64) -> UncheckedTransaction {
-		UncheckedTransaction::inherent(InherentFunction::TimestampSet(timestamp))
-	}
-
-	fn tx() -> UncheckedTransaction {
-		let transaction = Transaction {
-			signed: Keyring::One.to_raw_public(),
-			nonce: 0,
-			function: Function::StakingTransfer(Keyring::Two.to_raw_public(), 69),
-		};
-		let signature = Keyring::from_raw_public(transaction.signed).unwrap()
-			.sign(&transaction.encode());
-
-		UncheckedTransaction { transaction, signature }
-	}
-
-	fn execute_tx_on<C>(executor: C, ext: &mut TestExternalities, code: &[u8], tx: UncheckedTransaction, header: Header)
-		-> Result<Vec<u8>, C::Error>
-		where C: CodeExecutor
-	{
-		let next_header = executor.call(ext, code, "execute_transaction", &vec![].and(&header).and(&set_timestamp(100_000))).unwrap();
-		let next_input = next_header.and(&tx);
-
-		executor.call(ext, code, "execute_transaction", &next_input[..])
-	}
-
-	fn construct_block(number: BlockNumber, parent_hash: Hash, state_root: Hash, timestamp: u64, txs: Vec<Transaction>) -> (Vec<u8>, Hash) {
-		use triehash::ordered_trie_root;
-
-
-		let transactions = txs.into_iter().map(|transaction| {
-			let signature = Pair::from(Keyring::from_public(Public::from_raw(transaction.signed)).unwrap())
-				.sign(&transaction.encode());
-
-			UncheckedTransaction { transaction, signature }
-		}).collect();
-
-		let header = Header {
-			parent_hash,
-			number,
-			state_root,
-			transaction_root: Default::default(),
-			digest: Digest { logs: vec![], },
-		};
-
-		let mut block = Block {
-			header,
-			body: Body { timestamp, transactions },
-		};
-
-		let transaction_root = ordered_trie_root(block.all_transactions().map(|tx| Slicable::encode(&tx))).0.into();
-		block.header.transaction_root = transaction_root;
-
-		let hash = block.header.blake2_256();
-
-		(block.encode(), hash.into())
-	}
-
-	fn block1() -> (Vec<u8>, Hash) {
-		construct_block(
-			1,
-			[69u8; 32].into(),
-			hex!("3df569d47a0d7f4a448486f04fba4eea3e9dfca001319c609f88b3a67b0dd1ea").into(),
-			100_000,
-			vec![
-				Transaction {
-					signed: Keyring::One.to_raw_public(),
-					nonce: 0,
-					function: Function::StakingTransfer(Keyring::Two.to_raw_public(), 69),
-				}
-			]
-		)
-	}
-
-	fn block2() -> (Vec<u8>, Hash) {
-		construct_block(
-			2,
-			block1().1,
-			hex!("5604fe023cd6effd93aec9b4a008398abdd32afb3fec988a19aa853ab0424a7c").into(),
-			200_000,
-			vec![
-				Transaction {
-					signed: Keyring::Two.to_raw_public(),
-					nonce: 0,
-					function: Function::StakingTransfer(Keyring::One.to_raw_public(), 5),
-				},
-				Transaction {
-					signed: Keyring::One.to_raw_public(),
-					nonce: 1,
-					function: Function::StakingTransfer(Keyring::Two.to_raw_public(), 15),
-				}
-			]
-		)
-	}
-
-	#[test]
-	fn panic_execution_with_foreign_code_gives_error() {
-		let one = Keyring::One.to_raw_public();
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![68u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let r = execute_tx_on(Executor::new(), &mut t, BLOATY_CODE, tx(), Header::from_block_number(1));
-		assert!(r.is_err());
-	}
-
-	#[test]
-	fn panic_execution_with_native_equivalent_code_gives_error() {
-		let one = Keyring::One.to_raw_public();
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![68u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let r = execute_tx_on(Executor::new(), &mut t, COMPACT_CODE, tx(), Header::from_block_number(1));
-		assert!(r.is_err());
-	}
-
-	#[test]
-	fn successful_execution_with_native_equivalent_code_gives_ok() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let r = execute_tx_on(Executor::new(), &mut t, COMPACT_CODE, tx(), Header::from_block_number(1));
-		assert!(r.is_ok());
-
-		runtime_io::with_externalities(&mut t, || {
-			assert_eq!(balance(&one), 42);
-			assert_eq!(balance(&two), 69);
-		});
-	}
-
-	#[test]
-	fn successful_execution_with_foreign_code_gives_ok() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let r = execute_tx_on(Executor::new(), &mut t, BLOATY_CODE, tx(), Header::from_block_number(1));
-		assert!(r.is_ok());
-
-		runtime_io::with_externalities(&mut t, || {
-			assert_eq!(balance(&one), 42);
-			assert_eq!(balance(&two), 69);
-		});
-	}
-
-	#[test]
-	fn full_native_block_import_works() {
-		let mut t = new_test_ext();
-
-		Executor::new().call(&mut t, COMPACT_CODE, "execute_block", &block1().0).unwrap();
-
-		runtime_io::with_externalities(&mut t, || {
-			assert_eq!(balance(&Keyring::One.to_raw_public()), 42);
-			assert_eq!(balance(&Keyring::Two.to_raw_public()), 69);
-		});
-
-		Executor::new().call(&mut t, COMPACT_CODE, "execute_block", &block2().0).unwrap();
-
-		runtime_io::with_externalities(&mut t, || {
-			assert_eq!(balance(&Keyring::One.to_raw_public()), 32);
-			assert_eq!(balance(&Keyring::Two.to_raw_public()), 79);
-		});
-	}
-
-	#[test]
-	fn full_wasm_block_import_works() {
-		let mut t = new_test_ext();
-
-		WasmExecutor.call(&mut t, COMPACT_CODE, "execute_block", &block1().0).unwrap();
-
-		runtime_io::with_externalities(&mut t, || {
-			assert_eq!(balance(&Keyring::One.to_raw_public()), 42);
-			assert_eq!(balance(&Keyring::Two.to_raw_public()), 69);
-		});
-
-		WasmExecutor.call(&mut t, COMPACT_CODE, "execute_block", &block2().0).unwrap();
-
-		runtime_io::with_externalities(&mut t, || {
-			assert_eq!(balance(&Keyring::One.to_raw_public()), 32);
-			assert_eq!(balance(&Keyring::Two.to_raw_public()), 79);
-		});
-	}
-
-	#[test]
-	fn panic_execution_gives_error() {
-		let one = Keyring::One.to_raw_public();
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![68u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let foreign_code = include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm");
-		let r = execute_tx_on(WasmExecutor, &mut t, &foreign_code[..], tx(), Header::from_block_number(1));
-		assert!(r.is_err());
-	}
-
-	#[test]
-	fn successful_execution_gives_ok() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let foreign_code = include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm");
-		let r = execute_tx_on(WasmExecutor, &mut t, &foreign_code[..], tx(), Header::from_block_number(1));
-		assert!(r.is_ok());
-
-		runtime_io::with_externalities(&mut t, || {
-			assert_eq!(balance(&one), 42);
-			assert_eq!(balance(&two), 69);
-		});
-	}
-}

polkadot/primitives/Cargo.toml

@@ -9,6 +9,7 @@ serde_derive = { version = "1.0", optional = true }
 substrate-codec = { path = "../../substrate/codec", default_features = false }
 substrate-primitives = { path = "../../substrate/primitives", default_features = false }
 substrate-runtime-std = { path = "../../substrate/runtime-std", default_features = false }
+substrate-runtime-primitives = { path = "../../substrate/runtime/primitives", default_features = false }
 
 [dev-dependencies]
 substrate-serializer = { path = "../../substrate/serializer" }
@@ -20,6 +21,7 @@ std = [
 	"substrate-codec/std",
 	"substrate-primitives/std",
 	"substrate-runtime-std/std",
+	"substrate-runtime-primitives/std",
 	"serde_derive",
 	"serde/std",
 ]

polkadot/primitives/src/block.rs

@@ -1,375 +0,0 @@
-// 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/>.
-
-//! Block and header type definitions.
-
-#[cfg(feature = "std")]
-use primitives::bytes;
-use primitives::H256;
-use rstd::vec::Vec;
-use codec::{Input, Slicable};
-use transaction::{UncheckedTransaction, Function, InherentFunction};
-
-pub use primitives::block::Id;
-
-/// Used to refer to a block number.
-pub type Number = u64;
-
-/// Hash used to refer to a block hash.
-pub type HeaderHash = H256;
-
-/// Hash used to refer to a transaction hash.
-pub type TransactionHash = H256;
-
-/// Execution log (event)
-#[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-pub struct Log(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
-
-impl Slicable for Log {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		Vec::<u8>::decode(input).map(Log)
-	}
-
-	fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
-		self.0.using_encoded(f)
-	}
-}
-
-
-
-/// The digest of a block, useful for light-clients.
-#[derive(Clone, Default, PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-pub struct Digest {
-	/// All logs that have happened in the block.
-	pub logs: Vec<Log>,
-}
-
-impl Slicable for Digest {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		Vec::<Log>::decode(input).map(|logs| Digest { logs })
-	}
-
-	fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
-		self.logs.using_encoded(f)
-	}
-}
-
-/// Iterator over all inherent transactions.
-pub struct InherentTransactions<'a> {
-	number: u64,
-	body: &'a Body,
-}
-
-impl<'a> Iterator for InherentTransactions<'a> {
-	type Item = UncheckedTransaction;
-
-	fn next(&mut self) -> Option<UncheckedTransaction> {
-		if self.number == InherentFunction::count() {
-			return None
-		}
-
-		self.number += 1;
-
-		let function = match self.number {
-			1 => Some(InherentFunction::TimestampSet(self.body.timestamp)),
-			_ => None,
-		};
-
-		function.map(UncheckedTransaction::inherent)
-	}
-}
-
-/// Type alias for an iterator over all transactions in a block.
-pub type AllTransactions<'a> = ::rstd::iter::Chain<
-	InherentTransactions<'a>,
-	::rstd::iter::Cloned<::rstd::slice::Iter<'a, UncheckedTransaction>>,
->;
-
-/// The block body. Contains timestamp and transactions.
-// TODO: add candidates update as well.
-#[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-#[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
-#[cfg_attr(feature = "std", serde(deny_unknown_fields))]
-pub struct Body {
-	/// The timestamp of the block.
-	pub timestamp: u64,
-	/// The transactions in the block.
-	pub transactions: Vec<UncheckedTransaction>,
-}
-
-impl Body {
-	/// Get an iterator over all inherent transactions of the body.
-	pub fn inherent_transactions(&self) -> InherentTransactions {
-		InherentTransactions {
-			number: 0,
-			body: self,
-		}
-	}
-
-	/// Get an iterator over all transactions in a block.
-	pub fn all_transactions(&self) -> AllTransactions {
-		self.inherent_transactions().chain(self.transactions.iter().cloned())
-	}
-}
-
-
-/// A Polkadot relay chain block.
-#[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-pub struct Block {
-	/// The block header.
-	pub header: Header,
-	/// The block body.
-	pub body: Body,
-}
-
-impl Block {
-	/// Get an iterator over all inherent transactions of the body.
-	pub fn inherent_transactions(&self) -> InherentTransactions {
-		self.body.inherent_transactions()
-	}
-
-	/// Get an iterator over all transactions in a block.
-	pub fn all_transactions(&self) -> AllTransactions {
-		self.body.all_transactions()
-	}
-}
-
-impl Slicable for Block {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		let header = try_opt!(Slicable::decode(input));
-
-		let transactions_len: u32 = try_opt!(Slicable::decode(input));
-		let regular_transactions_len = try_opt!(transactions_len.checked_sub(InherentFunction::count() as u32));
-
-		let timestamp_tx = try_opt!(UncheckedTransaction::decode(input));
-		let timestamp = match timestamp_tx.transaction.function {
-			Function::Inherent(InherentFunction::TimestampSet(ref t)) if timestamp_tx.is_well_formed() => { t.clone() }
-			_ => return None,
-		};
-
-		let transactions: Option<Vec<_>> = (0..regular_transactions_len)
-			.map(|_| UncheckedTransaction::decode(input))
-			.filter(|tx| tx.as_ref().map_or(true, |tx| tx.is_well_formed()))
-			.collect();
-
-		let body = Body {
-			timestamp,
-			transactions: try_opt!(transactions),
-		};
-
-		Some(Block { header, body })
-	}
-
-	fn encode(&self) -> Vec<u8> {
-		let mut v = Vec::new();
-
-		v.extend(self.header.encode());
-
-		// encode inherent transactions before non-inherent.
-		let transactions_len = self.body.transactions.len() as u64 + InherentFunction::count();
-		(transactions_len as u32).using_encoded(|s| v.extend(s));
-
-		let timestamp_set_tx = UncheckedTransaction::inherent(
-			InherentFunction::TimestampSet(self.body.timestamp)
-		);
-
-		v.extend(timestamp_set_tx.encode());
-		for non_inherent_transaction in &self.body.transactions {
-			v.extend(non_inherent_transaction.encode());
-		}
-
-		v
-	}
-}
-
-/// A relay chain block header.
-///
-/// https://github.com/w3f/polkadot-spec/blob/master/spec.md#header
-#[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-#[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
-#[cfg_attr(feature = "std", serde(deny_unknown_fields))]
-pub struct Header {
-	/// Block parent's hash.
-	pub parent_hash: HeaderHash,
-	/// Block number.
-	pub number: Number,
-	/// State root after this transition.
-	pub state_root: H256,
-	/// The root of the trie that represents this block's transactions, indexed by a 32-byte integer.
-	pub transaction_root: H256,
-	/// The digest of activity on the block.
-	pub digest: Digest,
-}
-
-impl Header {
-	/// Create a new instance with default fields except `number`, which is given as an argument.
-	pub fn from_block_number(number: Number) -> Self {
-		Header {
-			parent_hash: Default::default(),
-			number,
-			state_root: Default::default(),
-			transaction_root: Default::default(),
-			digest: Default::default(),
-		}
-	}
-}
-
-impl Slicable for Header {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		Some(Header {
-			parent_hash: try_opt!(Slicable::decode(input)),
-			number: try_opt!(Slicable::decode(input)),
-			state_root: try_opt!(Slicable::decode(input)),
-			transaction_root: try_opt!(Slicable::decode(input)),
-			digest: try_opt!(Slicable::decode(input)),
-		})
-	}
-
-	fn encode(&self) -> Vec<u8> {
-		let mut v = Vec::new();
-
-		self.parent_hash.using_encoded(|s| v.extend(s));
-		self.number.using_encoded(|s| v.extend(s));
-		self.state_root.using_encoded(|s| v.extend(s));
-		self.transaction_root.using_encoded(|s| v.extend(s));
-		self.digest.using_encoded(|s| v.extend(s));
-
-		v
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use codec::Slicable;
-	use substrate_serializer as ser;
-
-	#[test]
-	fn test_header_serialization() {
-		let header = Header {
-			parent_hash: 5.into(),
-			number: 67,
-			state_root: 3.into(),
-			transaction_root: 6.into(),
-			digest: Digest { logs: vec![Log(vec![1])] },
-		};
-
-		assert_eq!(ser::to_string_pretty(&header), r#"{
-  "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000005",
-  "number": 67,
-  "stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000003",
-  "transactionRoot": "0x0000000000000000000000000000000000000000000000000000000000000006",
-  "digest": {
-    "logs": [
-      "0x01"
-    ]
-  }
-}"#);
-
-		let v = header.encode();
-		assert_eq!(Header::decode(&mut &v[..]).unwrap(), header);
-	}
-
-	#[test]
-	fn block_encoding_round_trip() {
-		let mut block = Block {
-			header: Header::from_block_number(1),
-			body: Body {
-				timestamp: 100_000_000,
-				transactions: Vec::new(),
-			}
-		};
-
-		let raw = block.encode();
-		let decoded = Block::decode(&mut &raw[..]).unwrap();
-
-		assert_eq!(block, decoded);
-
-		block.body.transactions.push(UncheckedTransaction {
-			transaction: ::transaction::Transaction {
-				function: Function::StakingStake,
-				signed: Default::default(),
-				nonce: 10101,
-			},
-			signature: Default::default(),
-		});
-
-		let raw = block.encode();
-		let decoded = Block::decode(&mut &raw[..]).unwrap();
-
-		assert_eq!(block, decoded);
-	}
-
-	#[test]
-	fn block_encoding_substrate_round_trip() {
-		let mut block = Block {
-			header: Header::from_block_number(1),
-			body: Body {
-				timestamp: 100_000_000,
-				transactions: Vec::new(),
-			}
-		};
-
-		block.body.transactions.push(UncheckedTransaction {
-			transaction: ::transaction::Transaction {
-				function: Function::StakingStake,
-				signed: Default::default(),
-				nonce: 10101,
-			},
-			signature: Default::default(),
-		});
-
-		let raw = block.encode();
-		let decoded_substrate = ::primitives::block::Block::decode(&mut &raw[..]).unwrap();
-		let encoded_substrate = decoded_substrate.encode();
-		let decoded = Block::decode(&mut &encoded_substrate[..]).unwrap();
-
-		assert_eq!(block, decoded);
-	}
-
-	#[test]
-	fn decode_body_without_inherents_fails() {
-		let substrate_blank = ::primitives::block::Block {
-			header: ::primitives::block::Header::from_block_number(1),
-			transactions: Vec::new(),
-		};
-
-		let encoded_substrate = substrate_blank.encode();
-		assert!(Block::decode(&mut &encoded_substrate[..]).is_none());
-	}
-
-	#[test]
-	fn inherent_transactions_iter_contains_all_inherent() {
-		let block = Block {
-			header: Header::from_block_number(1),
-			body: Body {
-				timestamp: 10101,
-				transactions: Vec::new(),
-			}
-		};
-
-		let mut iter = block.inherent_transactions();
-
-		assert_eq!(InherentFunction::count(), 1); // following depends on this assertion.
-		assert_eq!(iter.next().unwrap(), UncheckedTransaction::inherent(InherentFunction::TimestampSet(10101)));
-		assert!(iter.next().is_none());
-	}
-}

polkadot/primitives/src/lib.rs

@@ -21,7 +21,6 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 #![cfg_attr(not(feature = "std"), feature(alloc))]
 
-
 #[cfg(feature = "std")]
 #[macro_use]
 extern crate serde_derive;
@@ -30,34 +29,29 @@ extern crate serde;
 
 extern crate substrate_runtime_std as rstd;
 extern crate substrate_primitives as primitives;
+extern crate substrate_runtime_primitives as runtime_primitives;
 #[cfg(test)]
 extern crate substrate_serializer;
 
 extern crate substrate_codec as codec;
 
-macro_rules! try_opt {
-	($e: expr) => {
-		match $e {
-			Some(x) => x,
-			None => return None,
-		}
-	}
-}
-
 pub mod parachain;
 pub mod validator;
-pub mod block;
-pub mod transaction;
-
-pub use self::block::{Header, Body, Block, Log, Digest};
-pub use self::block::Number as BlockNumber;
-pub use self::transaction::{Transaction, UncheckedTransaction, Function, InherentFunction, Proposal};
 
 /// Virtual account ID that represents the idea of a dispatch/statement being signed by everybody
 /// (who matters). Essentially this means that a majority of validators have decided it is
 /// "correct".
 pub const EVERYBODY: AccountId = [255u8; 32];
 
+/// Something that identifies a block.
+pub use primitives::block::Id as BlockId;
+
+/// The type of digest item.
+pub use primitives::block::Log as Log;
+
+/// An index to a block.
+pub type BlockNumber = u64;
+
 /// Alias to Ed25519 pubkey that identifies an account on the relay chain. This will almost
 /// certainly continue to be the same as the substrate's `AuthorityId`.
 pub type AccountId = primitives::AuthorityId;
@@ -67,22 +61,19 @@ pub type AccountId = primitives::AuthorityId;
 pub type SessionKey = primitives::AuthorityId;
 
 /// Indentifier for a chain.
-pub type ChainID = u64;
+pub type ChainId = u64;
 
 /// Index of a transaction in the relay chain.
-pub type TxOrder = u64;
+pub type Index = u64;
 
 /// A hash of some data used by the relay chain.
 pub type Hash = primitives::H256;
 
 /// Alias to 512-bit hash when used in the context of a signature on the relay chain.
-pub type Signature = primitives::hash::H512;
+pub type Signature = runtime_primitives::Ed25519Signature;
 
 /// A timestamp: seconds since the unix epoch.
 pub type Timestamp = u64;
 
 /// The balance of an account.
 pub type Balance = u64;
-
-/// The amount of bonding period left in an account. Measured in eras.
-pub type Bondage = u64;

polkadot/primitives/src/parachain.rs

@@ -26,7 +26,7 @@ use ::Hash;
 
 /// Unique identifier of a parachain.
 #[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct Id(u32);
 
 impl From<Id> for u32 {
@@ -63,7 +63,7 @@ impl Slicable for Chain {
 
 		match disc {
 			0 => Some(Chain::Relay),
-			1 => Some(Chain::Parachain(try_opt!(Slicable::decode(input)))),
+			1 => Some(Chain::Parachain(Slicable::decode(input)?)),
 			_ => None,
 		}
 	}
@@ -102,8 +102,8 @@ pub struct DutyRoster {
 impl Slicable for DutyRoster {
 	fn decode<I: Input>(input: &mut I) -> Option<Self> {
 		Some(DutyRoster {
-			validator_duty: try_opt!(Slicable::decode(input)),
+			validator_duty: Slicable::decode(input)?,
-			guarantor_duty: try_opt!(Slicable::decode(input)),
+			guarantor_duty: Slicable::decode(input)?,
 		})
 	}
 
@@ -123,7 +123,7 @@ impl Slicable for DutyRoster {
 
 /// Extrinsic data for a parachain.
 #[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 #[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
 #[cfg_attr(feature = "std", serde(deny_unknown_fields))]
 pub struct Extrinsic;
@@ -132,7 +132,7 @@ pub struct Extrinsic;
 ///
 /// https://github.com/w3f/polkadot-spec/blob/master/spec.md#candidate-para-chain-block
 #[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 #[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
 #[cfg_attr(feature = "std", serde(deny_unknown_fields))]
 pub struct Candidate {
@@ -150,7 +150,7 @@ pub struct Candidate {
 
 /// Candidate receipt type.
 #[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
+#[cfg_attr(feature = "std", derive(Debug, Serialize))]
 #[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
 #[cfg_attr(feature = "std", serde(deny_unknown_fields))]
 pub struct CandidateReceipt {
@@ -184,12 +184,12 @@ impl Slicable for CandidateReceipt {
 
 	fn decode<I: Input>(input: &mut I) -> Option<Self> {
 		Some(CandidateReceipt {
-			parachain_index: try_opt!(Slicable::decode(input)),
+			parachain_index: Slicable::decode(input)?,
-			collator: try_opt!(Slicable::decode(input)),
+			collator: Slicable::decode(input)?,
-			head_data: try_opt!(Slicable::decode(input).map(HeadData)),
+			head_data: Slicable::decode(input).map(HeadData)?,
-			balance_uploads: try_opt!(Slicable::decode(input)),
+			balance_uploads: Slicable::decode(input)?,
-			egress_queue_roots: try_opt!(Slicable::decode(input)),
+			egress_queue_roots: Slicable::decode(input)?,
-			fees: try_opt!(Slicable::decode(input)),
+			fees: Slicable::decode(input)?,
 		})
 	}
 }
@@ -219,7 +219,7 @@ impl Ord for CandidateReceipt {
 
 /// Parachain ingress queue message.
 #[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct Message(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// Consolidated ingress queue data.
@@ -227,34 +227,34 @@ pub struct Message(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>
 /// This is just an ordered vector of other parachains' egress queues,
 /// obtained according to the routing rules.
 #[derive(Default, PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct ConsolidatedIngress(pub Vec<(Id, Vec<Message>)>);
 
 /// Parachain block data.
 ///
 /// contains everything required to validate para-block, may contain block and witness data
 #[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct BlockData(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// Parachain header raw bytes wrapper type.
 #[derive(PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct Header(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// Parachain head data included in the chain.
 #[derive(PartialEq, Eq, Clone, PartialOrd, Ord)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct HeadData(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// Parachain validation code.
 #[derive(PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct ValidationCode(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// Activitiy bit field
 #[derive(PartialEq, Eq, Clone, Default)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct Activity(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 impl Slicable for Activity {
@@ -344,7 +344,7 @@ mod tests {
 	fn test_candidate() {
 		assert_eq!(ser::to_string_pretty(&Candidate {
 			parachain_index: 5.into(),
-			collator_signature: 10.into(),
+			collator_signature: primitives::hash::H512::from(10).into(),
 			unprocessed_ingress: ConsolidatedIngress(vec![
 				(Id(1), vec![Message(vec![2])]),
 				(Id(2), vec![Message(vec![2]), Message(vec![3])]),

polkadot/primitives/src/transaction.rs

@@ -1,487 +0,0 @@
-// 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/>.
-
-//! Transaction type.
-
-use rstd::vec::Vec;
-use codec::{Input, Slicable};
-use primitives::bft::MisbehaviorReport;
-use ::Signature;
-
-#[cfg(feature = "std")]
-use std::fmt;
-
-use block::Number as BlockNumber;
-
-#[derive(Clone, Copy, PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-#[repr(u8)]
-enum InternalFunctionId {
-	/// Set the system's code.
-	SystemSetCode = 0x00,
-
-	/// Set the session length.
-	SessionSetLength = 0x10,
-	/// Force a new session.
-	SessionForceNewSession = 0x11,
-
-	/// Set the number of sessions per era.
-	StakingSetSessionsPerEra = 0x20,
-	/// Set the minimum bonding duration for staking.
-	StakingSetBondingDuration = 0x21,
-	/// Set the validator count for staking.
-	StakingSetValidatorCount = 0x22,
-	/// Force a new staking era.
-	StakingForceNewEra = 0x23,
-
-	/// Set the per-mille of validator approval required for governance changes.
-	GovernanceSetApprovalPpmRequired = 0x30,
-
-}
-
-impl InternalFunctionId {
-	/// Derive `Some` value from a `u8`, or `None` if it's invalid.
-	fn from_u8(value: u8) -> Option<InternalFunctionId> {
-		let functions = [
-			InternalFunctionId::SystemSetCode,
-			InternalFunctionId::SessionSetLength,
-			InternalFunctionId::SessionForceNewSession,
-			InternalFunctionId::StakingSetSessionsPerEra,
-			InternalFunctionId::StakingSetBondingDuration,
-			InternalFunctionId::StakingSetValidatorCount,
-			InternalFunctionId::StakingForceNewEra,
-			InternalFunctionId::GovernanceSetApprovalPpmRequired,
-		];
-		functions.iter().map(|&f| f).find(|&f| value == f as u8)
-	}
-}
-
-/// Internal functions that can be dispatched to.
-#[derive(Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-pub enum Proposal {
-	/// Set the system's code.
-	SystemSetCode(Vec<u8>),
-	/// Set the session length.
-	SessionSetLength(BlockNumber),
-	/// Force a new session.
-	SessionForceNewSession,
-	/// Set the number of sessions per era.
-	StakingSetSessionsPerEra(BlockNumber),
-	/// Set the minimum bonding duration for staking.
-	StakingSetBondingDuration(BlockNumber),
-	/// Set the validator count for staking.
-	StakingSetValidatorCount(u32),
-	/// Force a new staking era.
-	StakingForceNewEra,
-	/// Set the per-mille of validator approval required for governance changes.
-	GovernanceSetApprovalPpmRequired(u32),
-
-}
-
-impl Slicable for Proposal {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		let id = InternalFunctionId::from_u8(input.read_byte()?)?;
-		let function = match id {
-			InternalFunctionId::SystemSetCode =>
-				Proposal::SystemSetCode(try_opt!(Slicable::decode(input))),
-			InternalFunctionId::SessionSetLength =>
-				Proposal::SessionSetLength(try_opt!(Slicable::decode(input))),
-			InternalFunctionId::SessionForceNewSession => Proposal::SessionForceNewSession,
-			InternalFunctionId::StakingSetSessionsPerEra =>
-				Proposal::StakingSetSessionsPerEra(try_opt!(Slicable::decode(input))),
-			InternalFunctionId::StakingSetBondingDuration =>
-				Proposal::StakingSetBondingDuration(try_opt!(Slicable::decode(input))),
-			InternalFunctionId::StakingSetValidatorCount =>
-				Proposal::StakingSetValidatorCount(try_opt!(Slicable::decode(input))),
-			InternalFunctionId::StakingForceNewEra => Proposal::StakingForceNewEra,
-			InternalFunctionId::GovernanceSetApprovalPpmRequired =>
-				Proposal::GovernanceSetApprovalPpmRequired(try_opt!(Slicable::decode(input))),
-		};
-
-		Some(function)
-	}
-
-	fn encode(&self) -> Vec<u8> {
-		let mut v = Vec::new();
-		match *self {
-			Proposal::SystemSetCode(ref data) => {
-				v.push(InternalFunctionId::SystemSetCode as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Proposal::SessionSetLength(ref data) => {
-				v.push(InternalFunctionId::SessionSetLength as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Proposal::SessionForceNewSession => {
-				v.push(InternalFunctionId::SessionForceNewSession as u8);
-			}
-			Proposal::StakingSetSessionsPerEra(ref data) => {
-				v.push(InternalFunctionId::StakingSetSessionsPerEra as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Proposal::StakingSetBondingDuration(ref data) => {
-				v.push(InternalFunctionId::StakingSetBondingDuration as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Proposal::StakingSetValidatorCount(ref data) => {
-				v.push(InternalFunctionId::StakingSetValidatorCount as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Proposal::StakingForceNewEra => {
-				v.push(InternalFunctionId::StakingForceNewEra as u8);
-			}
-			Proposal::GovernanceSetApprovalPpmRequired(ref data) => {
-				v.push(InternalFunctionId::GovernanceSetApprovalPpmRequired as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-		}
-
-		v
-	}
-}
-
-/// Public functions that can be dispatched to.
-#[derive(Clone, Copy, PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-#[repr(u8)]
-enum FunctionId {
-	/// Set the timestamp.
-	TimestampSet = 0x00,
-	/// Set temporary session key as a validator.
-	SessionSetKey = 0x10,
-	/// Staking subsystem: begin staking.
-	StakingStake = 0x20,
-	/// Staking subsystem: stop staking.
-	StakingUnstake = 0x21,
-	/// Staking subsystem: transfer stake.
-	StakingTransfer = 0x22,
-	/// Report misbehavior.
-	StakingReportMisbehavior = 0x23,
-	/// Make a proposal for the governance system.
-	GovernancePropose = 0x30,
-	/// Approve a proposal for the governance system.
-	GovernanceApprove = 0x31,
-}
-
-impl FunctionId {
-	/// Derive `Some` value from a `u8`, or `None` if it's invalid.
-	fn from_u8(value: u8) -> Option<FunctionId> {
-		use self::*;
-		let functions = [
-			FunctionId::StakingStake,
-			FunctionId::StakingUnstake,
-			FunctionId::StakingTransfer,
-			FunctionId::StakingReportMisbehavior,
-			FunctionId::SessionSetKey,
-			FunctionId::TimestampSet,
-			FunctionId::GovernancePropose,
-			FunctionId::GovernanceApprove,
-		];
-		functions.iter().map(|&f| f).find(|&f| value == f as u8)
-	}
-}
-
-/// Inherent functions on the runtime.
-/// These must be called each block by the `EVERYBODY` account.
-#[derive(Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-pub enum InherentFunction {
-	/// Set the timestamp.
-	TimestampSet(u64),
-}
-
-impl InherentFunction {
-	/// Get the number of inherent functions.
-	pub fn count() -> u64 {
-		1
-	}
-
-	/// Get the index.
-	pub fn index(&self) -> u64 {
-		match *self {
-			InherentFunction::TimestampSet(_) => 0,
-		}
-	}
-}
-
-/// Functions on the runtime.
-#[derive(Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-pub enum Function {
-	/// An inherent function.
-	Inherent(InherentFunction),
-	/// Set temporary session key as a validator.
-	SessionSetKey(::SessionKey),
-	/// Staking subsystem: begin staking.
-	StakingStake,
-	/// Staking subsystem: stop staking.
-	StakingUnstake,
-	/// Staking subsystem: transfer stake.
-	StakingTransfer(::AccountId, u64),
-	/// Staking subsystem: report misbehavior of a validator.
-	ReportMisbehavior(MisbehaviorReport),
-	/// Make a proposal for the governance system.
-	GovernancePropose(Proposal),
-	/// Approve a proposal for the governance system.
-	GovernanceApprove(BlockNumber),
-}
-
-impl Function {
-	/// The number of inherent functions.
-	pub fn inherent_functions() -> u64 { InherentFunction::count() }
-
-	/// Whether this function is "inherent": that it must be part of every
-	/// block at the given index and no other.
-	///
-	/// Transactions containing inherent functions should not be signed.
-	pub fn is_inherent(&self) -> bool {
-		match *self {
-			Function::Inherent(_) => true,
-			_ => false,
-		}
-	}
-
-	/// If this function is inherent, returns the index it should occupy
-	/// in the block. Otherwise returns `None`.
-	pub fn inherent_index(&self) -> Option<u64> {
-		match *self {
-			Function::Inherent(ref inner) => Some(inner.index()),
-			_ => None,
-		}
-	}
-}
-
-impl Slicable for Function {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		let id = FunctionId::from_u8(input.read_byte()?)?;
-		Some(match id {
-			FunctionId::TimestampSet =>
-				Function::Inherent(InherentFunction::TimestampSet(try_opt!(Slicable::decode(input)))),
-			FunctionId::SessionSetKey =>
-				Function::SessionSetKey(try_opt!(Slicable::decode(input))),
-			FunctionId::StakingStake => Function::StakingStake,
-			FunctionId::StakingUnstake => Function::StakingUnstake,
-			FunctionId::StakingTransfer => {
-				let to  = try_opt!(Slicable::decode(input));
-				let amount = try_opt!(Slicable::decode(input));
-
-				Function::StakingTransfer(to, amount)
-			}
-			FunctionId::StakingReportMisbehavior => Function::ReportMisbehavior(MisbehaviorReport::decode(input)?),
-			FunctionId::GovernancePropose =>
-				Function::GovernancePropose(try_opt!(Slicable::decode(input))),
-			FunctionId::GovernanceApprove =>
-				Function::GovernanceApprove(try_opt!(Slicable::decode(input))),
-		})
-	}
-
-	fn encode(&self) -> Vec<u8> {
-		let mut v = Vec::new();
-		match *self {
-			Function::Inherent(InherentFunction::TimestampSet(ref data)) => {
-				v.push(FunctionId::TimestampSet as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Function::SessionSetKey(ref data) => {
-				v.push(FunctionId::SessionSetKey as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Function::StakingStake => {
-				v.push(FunctionId::StakingStake as u8);
-			}
-			Function::StakingUnstake => {
-				v.push(FunctionId::StakingUnstake as u8);
-			}
-			Function::ReportMisbehavior(ref report) => {
-				v.push(FunctionId::StakingReportMisbehavior as u8);
-				report.using_encoded(|s| v.extend(s));
-			}
-			Function::StakingTransfer(ref to, ref amount) => {
-				v.push(FunctionId::StakingTransfer as u8);
-				to.using_encoded(|s| v.extend(s));
-				amount.using_encoded(|s| v.extend(s));
-			}
-			Function::GovernancePropose(ref data) => {
-				v.push(FunctionId::GovernancePropose as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-			Function::GovernanceApprove(ref data) => {
-				v.push(FunctionId::GovernanceApprove as u8);
-				data.using_encoded(|s| v.extend(s));
-			}
-		}
-
-		v
-	}
-
-	fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
-		f(self.encode().as_slice())
-	}
-}
-
-/// A vetted and verified transaction from the external world.
-#[derive(PartialEq, Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
-pub struct Transaction {
-	/// Who signed it (note this is not a signature).
-	pub signed: super::AccountId,
-	/// The number of transactions have come before from the same signer.
-	pub nonce: super::TxOrder,
-	/// The function that should be called.
-	pub function: Function,
-}
-
-impl Slicable for Transaction {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		Some(Transaction {
-			signed: try_opt!(Slicable::decode(input)),
-			nonce: try_opt!(Slicable::decode(input)),
-			function: try_opt!(Slicable::decode(input)),
-		})
-	}
-
-	fn encode(&self) -> Vec<u8> {
-		let mut v = Vec::new();
-
-		self.signed.using_encoded(|s| v.extend(s));
-		self.nonce.using_encoded(|s| v.extend(s));
-		self.function.using_encoded(|s| v.extend(s));
-
-		v
-	}
-}
-
-
-
-/// A transactions right from the external world. Unchecked.
-#[derive(Eq, Clone)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
-pub struct UncheckedTransaction {
-	/// The actual transaction information.
-	pub transaction: Transaction,
-	/// The signature; should be an Ed25519 signature applied to the serialised `transaction` field.
-	pub signature: Signature,
-}
-
-impl UncheckedTransaction {
-	/// Whether the transaction is well-formed. In particular checks that
-	/// inherent transactions have the correct signed and signature fields.
-	///
-	/// Does not check signatures on other transactions.
-	pub fn is_well_formed(&self) -> bool {
-		if self.transaction.function.is_inherent() {
-			self.transaction.signed == ::EVERYBODY && self.signature == Signature::zero()
-		} else {
-			true
-		}
-	}
-
-	/// Whether this transaction invokes an inherent function.
-	pub fn is_inherent(&self) -> bool {
-		self.transaction.function.is_inherent()
-	}
-
-	/// Create a new inherent-style transaction from the given function.
-	pub fn inherent(function: InherentFunction) -> Self {
-		UncheckedTransaction {
-			transaction: Transaction {
-				function: Function::Inherent(function),
-				nonce: 0,
-				signed: ::EVERYBODY
-			},
-			signature: Signature::zero(),
-		}
-	}
-}
-
-impl Slicable for UncheckedTransaction {
-	fn decode<I: Input>(input: &mut I) -> Option<Self> {
-		// This is a little more complicated than usual since the binary format must be compatible
-		// with substrate's generic `Vec<u8>` type. Basically this just means accepting that there
-		// will be a prefix of u32, which has the total number of bytes following (we don't need
-		// to use this).
-		let _length_do_not_remove_me_see_above: u32 = try_opt!(Slicable::decode(input));
-
-		Some(UncheckedTransaction {
-			transaction: try_opt!(Slicable::decode(input)),
-			signature: try_opt!(Slicable::decode(input)),
-		})
-	}
-
-	fn encode(&self) -> Vec<u8> {
-		let mut v = Vec::new();
-
-		// need to prefix with the total length as u32 to ensure it's binary comptible with
-		// Vec<u8>. we'll make room for it here, then overwrite once we know the length.
-		v.extend(&[0u8; 4]);
-
-		self.transaction.signed.using_encoded(|s| v.extend(s));
-		self.transaction.nonce.using_encoded(|s| v.extend(s));
-		self.transaction.function.using_encoded(|s| v.extend(s));
-		self.signature.using_encoded(|s| v.extend(s));
-
-		let length = (v.len() - 4) as u32;
-		length.using_encoded(|s| v[0..4].copy_from_slice(s));
-
-		v
-	}
-}
-
-
-
-impl PartialEq for UncheckedTransaction {
-	fn eq(&self, other: &Self) -> bool {
-		self.signature.iter().eq(other.signature.iter()) && self.transaction == other.transaction
-	}
-}
-
-#[cfg(feature = "std")]
-impl fmt::Debug for UncheckedTransaction {
-	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-		write!(f, "UncheckedTransaction({:?})", self.transaction)
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use primitives;
-	use ::codec::Slicable;
-	use primitives::hexdisplay::HexDisplay;
-
-	#[test]
-	fn serialize_unchecked() {
-		let tx = UncheckedTransaction {
-			transaction: Transaction {
-				signed: [1; 32],
-				nonce: 999u64,
-				function: Function::Inherent(InherentFunction::TimestampSet(135135)),
-			},
-			signature: primitives::hash::H512([0; 64]),
-		};
-		// 71000000
-		// 0101010101010101010101010101010101010101010101010101010101010101
-		// e703000000000000
-		// 00
-		// df0f0200
-		// 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-
-		let v = Slicable::encode(&tx);
-		println!("{}", HexDisplay::from(&v));
-		assert_eq!(UncheckedTransaction::decode(&mut &v[..]).unwrap(), tx);
-	}
-}

polkadot/primitives/src/validator.rs

@@ -23,22 +23,22 @@ use parachain;
 
 /// Parachain outgoing message.
 #[derive(PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct EgressPost(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// Balance upload.
 #[derive(PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct BalanceUpload(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// Balance download.
 #[derive(PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 pub struct BalanceDownload(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
 
 /// The result of parachain validation.
 #[derive(PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
+#[cfg_attr(feature = "std", derive(Serialize, Debug))]
 #[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
 #[cfg_attr(feature = "std", serde(deny_unknown_fields))]
 pub struct ValidationResult {

polkadot/runtime/Cargo.toml

@@ -7,26 +7,47 @@ authors = ["Parity Technologies <admin@parity.io>"]
 rustc-hex = "1.0"
 hex-literal = "0.1.0"
 log = { version = "0.3", optional = true }
+serde = { version = "1.0", default_features = false }
+serde_derive = { version = "1.0", optional = true }
+safe-mix = { path = "../../safe-mix", default_features = false}
 substrate-codec = { path = "../../substrate/codec" }
+substrate-serializer = { path = "../../substrate/serializer" }
 substrate-runtime-std = { path = "../../substrate/runtime-std" }
 substrate-runtime-io = { path = "../../substrate/runtime-io" }
 substrate-runtime-support = { path = "../../substrate/runtime-support" }
 substrate-primitives = { path = "../../substrate/primitives" }
-substrate-misbehavior-check = { path = "../../substrate/misbehavior-check" }
-polkadot-primitives = { path = "../primitives" }
-
-[dev-dependencies]
 substrate-keyring = { path = "../../substrate/keyring" }
+substrate-runtime-consensus = { path = "../../substrate/runtime/consensus" }
+substrate-runtime-council = { path = "../../substrate/runtime/council" }
+substrate-runtime-democracy = { path = "../../substrate/runtime/democracy" }
+substrate-runtime-executive = { path = "../../substrate/runtime/executive" }
+substrate-runtime-primitives = { path = "../../substrate/runtime/primitives" }
+substrate-runtime-session = { path = "../../substrate/runtime/session" }
+substrate-runtime-staking = { path = "../../substrate/runtime/staking" }
+substrate-runtime-system = { path = "../../substrate/runtime/system" }
+substrate-runtime-timestamp = { path = "../../substrate/runtime/timestamp" }
+polkadot-primitives = { path = "../primitives" }
 
 [features]
 default = ["std"]
 std = [
 	"substrate-codec/std",
+	"substrate-primitives/std",
 	"substrate-runtime-std/std",
 	"substrate-runtime-io/std",
 	"substrate-runtime-support/std",
-	"substrate-primitives/std",
+	"substrate-runtime-consensus/std",
-	"substrate-misbehavior-check/std",
+	"substrate-runtime-council/std",
+	"substrate-runtime-democracy/std",
+	"substrate-runtime-executive/std",
+	"substrate-runtime-primitives/std",
+	"substrate-runtime-session/std",
+	"substrate-runtime-staking/std",
+	"substrate-runtime-system/std",
+	"substrate-runtime-timestamp/std",
 	"polkadot-primitives/std",
-	"log"
+	"serde_derive",
+	"serde/std",
+	"log",
+	"safe-mix/std"
 ]

polkadot/runtime/src/api.rs

@@ -1,29 +0,0 @@
-// 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/>.
-
-use runtime::{system, parachains, consensus, session};
-
-impl_stubs!(
-	execute_block => |block| system::internal::execute_block(block),
-	execute_transaction => |(header, utx)| system::internal::execute_transaction(utx, header),
-	finalise_block => |header| system::internal::finalise_block(header),
-	validator_count => |()| session::validator_count(),
-	validators => |()| session::validators(),
-	authorities => |()| consensus::authorities(),
-	duty_roster => |()| parachains::calculate_duty_roster(),
-	timestamp => |()| ::runtime::timestamp::get(),
-	nonce => |account_id| system::nonce(account_id)
-);

polkadot/runtime/src/environment.rs

@@ -1,81 +0,0 @@
-// 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/>.
-
-//! Environment API: Allows certain information to be accessed throughout the runtime.
-
-use rstd::boxed::Box;
-use rstd::cell::RefCell;
-use rstd::rc::Rc;
-
-use polkadot_primitives::{BlockNumber, Digest, Hash};
-
-#[derive(Default)]
-/// The information that can be accessed globally.
-pub struct Environment {
-	/// The current block number.
-	pub block_number: BlockNumber,
-	/// The current block's parent hash.
-	pub parent_hash: Hash,
-	/// The current block digest.
-	pub digest: Digest,
-}
-
-/// Do something with the environment and return its value. Keep the function short.
-pub fn with_env<T, F: FnOnce(&mut Environment) -> T>(f: F) -> T {
-	let e = env();
-	let mut eb = e.borrow_mut();
-	f(&mut *eb)
-}
-
-#[cfg(target_arch = "wasm32")]
-fn env() -> Rc<RefCell<Environment>> {
-	// Initialize it to a null value
-	static mut SINGLETON: *const Rc<RefCell<Environment>> = 0 as *const Rc<RefCell<Environment>>;
-
-	unsafe {
-		if SINGLETON == 0 as *const Rc<RefCell<Environment>> {
-			// Make it
-			let singleton: Rc<RefCell<Environment>> = Rc::new(RefCell::new(Default::default()));
-
-			// Put it in the heap so it can outlive this call
-			SINGLETON = Box::into_raw(Box::new(singleton)) as *const _;
-		}
-
-		// Now we give out a copy of the data that is safe to use concurrently.
-		(*SINGLETON).clone()
-	}
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-fn env() -> Rc<RefCell<Environment>> {
-	// Initialize it to a null value
-	thread_local!{
-		static SINGLETON: RefCell<*const Rc<RefCell<Environment>>> = RefCell::new(0 as *const Rc<RefCell<Environment>>);
-	}
-
-	SINGLETON.with(|s| unsafe {
-		if *s.borrow() == 0 as *const Rc<RefCell<Environment>> {
-			// Make it
-			let singleton: Rc<RefCell<Environment>> = Rc::new(RefCell::new(Default::default()));
-
-			// Put it in the heap so it can outlive this call
-			*s.borrow_mut() = Box::into_raw(Box::new(singleton)) as *const _;
-		}
-
-		// Now we give out a copy of the data that is safe to use concurrently.
-		(**s.borrow()).clone()
-	})
-}

polkadot/runtime/src/genesismap.rs

@@ -1,91 +0,0 @@
-// 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/>.
-
-//! Tool for creating the genesis block.
-
-use codec::{KeyedVec, Joiner};
-use std::collections::HashMap;
-use runtime_io::twox_128;
-use runtime_support::Hashable;
-use primitives::Block;
-use polkadot_primitives::{Balance, BlockNumber, AccountId};
-
-/// Configuration of a general Polkadot genesis block.
-pub struct GenesisConfig {
-	pub validators: Vec<AccountId>,
-	pub authorities: Vec<AccountId>,
-	pub balances: Vec<(AccountId, Balance)>,
-	pub block_time: u64,
-	pub session_length: BlockNumber,
-	pub sessions_per_era: BlockNumber,
-	pub bonding_duration: BlockNumber,
-	pub approval_ratio: u32,
-}
-
-impl GenesisConfig {
-	pub fn new_simple(authorities_validators: Vec<AccountId>, balance: Balance) -> Self {
-		GenesisConfig {
-			validators: authorities_validators.clone(),
-			authorities: authorities_validators.clone(),
-			balances: authorities_validators.iter().map(|v| (v.clone(), balance)).collect(),
-			block_time: 5,			// 5 second block time.
-			session_length: 720,	// that's 1 hour per session.
-			sessions_per_era: 24,	// 24 hours per era.
-			bonding_duration: 90,	// 90 days per bond.
-			approval_ratio: 667,	// 66.7% approvals required for legislation.
-		}
-	}
-
-	pub fn genesis_map(&self) -> HashMap<Vec<u8>, Vec<u8>> {
-		let wasm_runtime = include_bytes!("../wasm/genesis.wasm").to_vec();
-		vec![
-			(&b"gov:apr"[..], vec![].and(&self.approval_ratio)),
-			(&b"ses:len"[..], vec![].and(&self.session_length)),
-			(&b"ses:val:len"[..], vec![].and(&(self.validators.len() as u32))),
-			(&b"sta:wil:len"[..], vec![].and(&0u32)),
-			(&b"sta:spe"[..], vec![].and(&self.sessions_per_era)),
-			(&b"sta:vac"[..], vec![].and(&(self.validators.len() as u32))),
-			(&b"sta:era"[..], vec![].and(&0u64)),
-		].into_iter()
-			.map(|(k, v)| (k.into(), v))
-			.chain(self.validators.iter()
-				.enumerate()
-				.map(|(i, account)| ((i as u32).to_keyed_vec(b"ses:val:"), vec![].and(account)))
-			).chain(self.authorities.iter()
-				.enumerate()
-				.map(|(i, account)| ((i as u32).to_keyed_vec(b":auth:"), vec![].and(account)))
-			).chain(self.balances.iter()
-				.map(|&(account, balance)| (account.to_keyed_vec(b"sta:bal:"), vec![].and(&balance)))
-			)
-			.map(|(k, v)| (twox_128(&k[..])[..].to_vec(), v.to_vec()))
-			.chain(vec![
-				(b":code"[..].into(), wasm_runtime),
-				(b":auth:len"[..].into(), vec![].and(&(self.authorities.len() as u32))),
-			].into_iter())
-			.chain(self.authorities.iter()
-				.enumerate()
-				.map(|(i, account)| ((i as u32).to_keyed_vec(b":auth:"), vec![].and(account)))
-			)
-			.collect()
-	}
-}
-
-pub fn additional_storage_with_genesis(genesis_block: &Block) -> HashMap<Vec<u8>, Vec<u8>> {
-	use codec::Slicable;
-	map![
-		twox_128(&0u64.to_keyed_vec(b"sys:old:")).to_vec() => genesis_block.header.blake2_256().encode()
-	]
-}

polkadot/runtime/src/lib.rs

@@ -14,84 +14,288 @@
 // 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.
+//! 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;
-extern crate substrate_runtime_support as runtime_support;
-extern crate substrate_codec as codec;
-extern crate substrate_misbehavior_check as misbehavior_check;
-extern crate polkadot_primitives;
-
-#[cfg(all(feature = "std", test))]
-extern crate substrate_keyring as keyring;
-
-#[cfg(feature = "std")]
-extern crate rustc_hex;
-
-#[cfg_attr(any(test, feature = "std"), macro_use)]
-extern crate substrate_primitives as primitives;
-
 #[macro_use]
 extern crate substrate_runtime_io as runtime_io;
 
-#[cfg(test)]
 #[macro_use]
-extern crate hex_literal;
+extern crate substrate_runtime_support as runtime_support;
 
-pub mod api;
+#[macro_use]
-pub mod environment;
+extern crate substrate_runtime_primitives as runtime_primitives;
-pub mod runtime;
 
-#[cfg(feature = "std")]
+#[cfg(test)]
-pub mod genesismap;
+extern crate substrate_serializer;
 
-/// Type definitions and helpers for transactions.
+#[cfg_attr(feature = "std", macro_use)]
-pub mod transaction {
+extern crate substrate_primitives;
-	use rstd::ops;
-	use polkadot_primitives::Signature;
-	pub use polkadot_primitives::{Transaction, Function, UncheckedTransaction};
 
-	/// A type-safe indicator that a transaction has been checked.
+extern crate substrate_runtime_std as rstd;
-	#[derive(PartialEq, Eq, Clone)]
+extern crate substrate_codec as codec;
-	#[cfg_attr(feature = "std", derive(Debug))]
+extern crate substrate_runtime_consensus as consensus;
-	pub struct CheckedTransaction(UncheckedTransaction);
+extern crate substrate_runtime_council as council;
+extern crate substrate_runtime_democracy as democracy;
+extern crate substrate_runtime_executive as executive;
+extern crate substrate_runtime_session as session;
+extern crate substrate_runtime_staking as staking;
+extern crate substrate_runtime_system as system;
+extern crate substrate_runtime_timestamp as timestamp;
+extern crate polkadot_primitives;
 
-	impl CheckedTransaction {
+mod parachains;
-		/// Get a reference to the checked signature.
+
-		pub fn signature(&self) -> &Signature {
+use runtime_io::BlakeTwo256;
-			&self.0.signature
+use polkadot_primitives::{AccountId, Balance, BlockNumber, Hash, Index, Log, SessionKey, Signature};
-		}
+use runtime_primitives::generic;
+use runtime_primitives::traits::{Identity, HasPublicAux};
+#[cfg(feature = "std")] pub use runtime_primitives::BuildExternalities;
+
+/// Concrete runtime type used to parameterize the various modules.
+pub struct Concrete;
+
+impl HasPublicAux for Concrete {
+	type PublicAux = AccountId;	// TODO: Option<AccountId>
+}
+
+impl system::Trait for Concrete {
+	type Index = Index;
+	type BlockNumber = BlockNumber;
+	type Hash = Hash;
+	type Hashing = BlakeTwo256;
+	type Digest = generic::Digest<Log>;
+	type AccountId = AccountId;
+	type Header = generic::Header<BlockNumber, Hash, Log>;
+}
+/// System module for this concrete runtime.
+pub type System = system::Module<Concrete>;
+
+impl consensus::Trait for Concrete {
+	type PublicAux = <Self as HasPublicAux>::PublicAux;
+	type SessionKey = SessionKey;
+}
+/// Consensus module for this concrete runtime.
+pub type Consensus = consensus::Module<Concrete>;
+pub use consensus::Call as ConsensusCall;
+
+impl timestamp::Trait for Concrete {
+	type Value = u64;
+}
+/// Timestamp module for this concrete runtime.
+pub type Timestamp = timestamp::Module<Concrete>;
+pub use timestamp::Call as TimestampCall;
+
+impl session::Trait for Concrete {
+	type ConvertAccountIdToSessionKey = Identity;
+}
+/// Session module for this concrete runtime.
+pub type Session = session::Module<Concrete>;
+
+impl staking::Trait for Concrete {
+	type Balance = Balance;
+	type DetermineContractAddress = BlakeTwo256;
+}
+/// Staking module for this concrete runtime.
+pub type Staking = staking::Module<Concrete>;
+
+impl democracy::Trait for Concrete {
+	type Proposal = PrivCall;
+}
+/// Democracy module for this concrete runtime.
+pub type Democracy = democracy::Module<Concrete>;
+
+impl council::Trait for Concrete {}
+/// Council module for this concrete runtime.
+pub type Council = council::Module<Concrete>;
+/// Council voting module for this concrete runtime.
+pub type CouncilVoting = council::voting::Module<Concrete>;
+
+impl parachains::Trait for Concrete {}
+pub type Parachains = parachains::Module<Concrete>;
+
+impl_outer_dispatch! {
+	pub enum Call where aux: <Concrete as HasPublicAux>::PublicAux {
+		Consensus = 0,
+		Session = 1,
+		Staking = 2,
+		Timestamp = 3,
+		Democracy = 5,
+		Council = 6,
+		CouncilVoting = 7,
 	}
 
-	impl ops::Deref for CheckedTransaction {
+	pub enum PrivCall {
-		type Target = Transaction;
+		Consensus = 0,
-
+		Session = 1,
-		fn deref(&self) -> &Transaction {
+		Staking = 2,
-			&self.0.transaction
+		Democracy = 5,
-		}
+		Council = 6,
-	}
+		CouncilVoting = 7,
-
+	}
-	/// Check the validity of a transaction: whether it can appear at the given index
+}
-	/// and whether it is correctly authenticated.
+
-	pub fn check(tx: UncheckedTransaction, index: u64) -> Result<CheckedTransaction, UncheckedTransaction> {
+/// Block header type as expected by this runtime.
-		match tx.transaction.function.inherent_index() {
+pub type Header = generic::Header<BlockNumber, Hash, Log>;
-			Some(correct_index) => {
+/// Block type as expected by this runtime.
-				if index != correct_index || !tx.is_well_formed() { return Err(tx) }
+pub type Block = generic::Block<BlockNumber, Hash, Log, AccountId, Index, Call, Signature>;
-				return Ok(CheckedTransaction(tx));
+/// Unchecked extrinsic type as expected by this runtime.
-			}
+pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<AccountId, Index, Call, Signature>;
-			None => {
+/// Extrinsic type as expected by this runtime.
-				// non-inherent functions must appear after inherent.
+pub type Extrinsic = generic::Extrinsic<AccountId, Index, Call>;
-				if index < Function::inherent_functions() { return Err(tx) }
+/// Executive: handles dispatch to the various modules.
-			}
+pub type Executive = executive::Executive<Concrete, Block, Staking,
-		}
+	((((((), Parachains), Council), Democracy), Staking), Session)>;
-
+
-		let msg = ::codec::Slicable::encode(&tx.transaction);
+impl_outer_config! {
-		if ::runtime_io::ed25519_verify(&tx.signature.0, &msg, &tx.transaction.signed) {
+	pub struct GenesisConfig for Concrete {
-			Ok(CheckedTransaction(tx))
+		ConsensusConfig => consensus,
-		} else {
+		SystemConfig => system,
-			Err(tx)
+		SessionConfig => session,
-		}
+		StakingConfig => staking,
+		DemocracyConfig => democracy,
+		CouncilConfig => council,
+		ParachainsConfig => parachains,
+	}
+}
+
+pub mod api {
+	impl_stubs!(
+		authorities => |()| super::Consensus::authorities(),
+		initialise_block => |header| super::Executive::initialise_block(&header),
+		apply_extrinsic => |extrinsic| super::Executive::apply_extrinsic(extrinsic),
+		execute_block => |block| super::Executive::execute_block(block),
+		finalise_block => |()| super::Executive::finalise_block(),
+		validator_count => |()| super::Session::validator_count(),
+		validators => |()| super::Session::validators()
+	);
+}
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+	use substrate_primitives as primitives;
+	use ::codec::Slicable;
+	use substrate_primitives::hexdisplay::HexDisplay;
+	use substrate_serializer as ser;
+	use runtime_primitives::traits::{Digest as DigestT, Header as HeaderT};
+	type Digest = generic::Digest<Log>;
+
+	#[test]
+	fn test_header_serialization() {
+		let header = Header {
+			parent_hash: 5.into(),
+			number: 67,
+			state_root: 3.into(),
+			extrinsics_root: 6.into(),
+			digest: { let mut d = Digest::default(); d.push(Log(vec![1])); d },
+		};
+
+		assert_eq!(ser::to_string_pretty(&header), r#"{
+  "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000005",
+  "number": 67,
+  "stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000003",
+  "extrinsicsRoot": "0x0000000000000000000000000000000000000000000000000000000000000006",
+  "digest": {
+    "logs": [
+      "0x01"
+    ]
+  }
+}"#);
+
+		let v = header.encode();
+		assert_eq!(Header::decode(&mut &v[..]).unwrap(), header);
+	}
+
+	#[test]
+	fn block_encoding_round_trip() {
+		let mut block = Block {
+			header: Header::new(1, Default::default(), Default::default(), Default::default(), Default::default()),
+			extrinsics: vec![
+				UncheckedExtrinsic {
+					extrinsic: Extrinsic {
+						function: Call::Timestamp(timestamp::Call::set(100_000_000)),
+						signed: Default::default(),
+						index: Default::default(),
+					},
+					signature: Default::default(),
+				}
+			],
+		};
+
+		let raw = block.encode();
+		let decoded = Block::decode(&mut &raw[..]).unwrap();
+
+		assert_eq!(block, decoded);
+
+		block.extrinsics.push(UncheckedExtrinsic {
+			extrinsic: Extrinsic {
+				function: Call::Staking(staking::Call::stake()),
+				signed: Default::default(),
+				index: 10101,
+			},
+			signature: Default::default(),
+		});
+
+		let raw = block.encode();
+		let decoded = Block::decode(&mut &raw[..]).unwrap();
+
+		assert_eq!(block, decoded);
+	}
+
+	#[test]
+	fn block_encoding_substrate_round_trip() {
+		let mut block = Block {
+			header: Header::new(1, Default::default(), Default::default(), Default::default(), Default::default()),
+			extrinsics: vec![
+				UncheckedExtrinsic {
+					extrinsic: Extrinsic {
+						function: Call::Timestamp(timestamp::Call::set(100_000_000)),
+						signed: Default::default(),
+						index: Default::default(),
+					},
+					signature: Default::default(),
+				}
+			],
+		};
+
+		block.extrinsics.push(UncheckedExtrinsic {
+			extrinsic: Extrinsic {
+				function: Call::Staking(staking::Call::stake()),
+				signed: Default::default(),
+				index: 10101,
+			},
+			signature: Default::default(),
+		});
+
+		let raw = block.encode();
+		let decoded_substrate = primitives::block::Block::decode(&mut &raw[..]).unwrap();
+		let encoded_substrate = decoded_substrate.encode();
+		let decoded = Block::decode(&mut &encoded_substrate[..]).unwrap();
+
+		assert_eq!(block, decoded);
+	}
+
+	#[test]
+	fn serialize_unchecked() {
+		let tx = UncheckedExtrinsic {
+			extrinsic: Extrinsic {
+				signed: [1; 32],
+				index: 999u64,
+				function: Call::Timestamp(TimestampCall::set(135135)),
+			},
+			signature: primitives::hash::H512([0; 64]).into(),
+		};
+		// 71000000
+		// 0101010101010101010101010101010101010101010101010101010101010101
+		// e703000000000000
+		// 00
+		// df0f0200
+		// 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+
+		let v = Slicable::encode(&tx);
+		println!("{}", HexDisplay::from(&v));
+		assert_eq!(UncheckedExtrinsic::decode(&mut &v[..]).unwrap(), tx);
 	}
 }

polkadot/runtime/src/parachains.rs

@@ -0,0 +1,210 @@
+// 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/>.
+
+//! Main parachains logic. For now this is just the determination of which validators do what.
+
+use polkadot_primitives;
+#[cfg(any(feature = "std", test))] use {runtime_io, runtime_primitives};
+use rstd::prelude::*;
+#[cfg(any(feature = "std", test))] use rstd::marker::PhantomData;
+use codec::{Slicable, Joiner};
+use runtime_support::Hashable;
+#[cfg(any(feature = "std", test))] use runtime_support::StorageValue;
+use runtime_primitives::traits::Executable;
+use polkadot_primitives::parachain::{Id, Chain, DutyRoster};
+use {system, session};
+
+pub trait Trait: system::Trait<Hash = polkadot_primitives::Hash> + session::Trait {}
+
+decl_module! {
+	pub struct Module<T: Trait>;
+}
+
+decl_storage! {
+	pub trait Store for Module<T: Trait>;
+	// The number of parachains registered at present.
+	pub Count get(count): b"para:count" => default u32;
+}
+
+impl<T: Trait> Module<T> {
+	/// Calculate the current block's duty roster.
+	pub fn calculate_duty_roster() -> DutyRoster {
+		let parachain_count = Self::count();
+		let validator_count = <session::Module<T>>::validator_count();
+		let validators_per_parachain = (validator_count - 1) / parachain_count;
+
+		let mut roles_val = (0..validator_count).map(|i| match i {
+			i if i < parachain_count * validators_per_parachain =>
+				Chain::Parachain(Id::from(i / validators_per_parachain as u32)),
+			_ => Chain::Relay,
+		}).collect::<Vec<_>>();
+		let mut roles_gua = roles_val.clone();
+
+		let h = <system::Module<T>>::random_seed();
+		let mut seed = h.to_vec().and(b"validator_role_pairs").blake2_256();
+
+		// shuffle
+		for i in 0..(validator_count - 1) {
+			// 8 bytes of entropy used per cycle, 32 bytes entropy per hash
+			let offset = (i * 8 % 32) as usize;
+
+			// number of roles remaining to select from.
+			let remaining = (validator_count - i) as usize;
+
+			// 4 * 2 32-bit ints per 256-bit seed.
+			let val_index = u32::decode(&mut &seed[offset..offset + 4]).expect("using 4 bytes for a 32-bit quantity") as usize % remaining;
+			let gua_index = u32::decode(&mut &seed[offset + 4..offset + 8]).expect("using 4 bytes for a 32-bit quantity") as usize % remaining;
+
+			if offset == 24 {
+				// into the last 8 bytes - rehash to gather new entropy
+				seed = seed.blake2_256();
+			}
+
+			// exchange last item with randomly chosen first.
+			roles_val.swap(remaining - 1, val_index);
+			roles_gua.swap(remaining - 1, gua_index);
+		}
+
+		DutyRoster {
+			validator_duty: roles_val,
+			guarantor_duty: roles_gua,
+		}
+	}
+}
+
+impl<T: Trait> Executable for Module<T> {
+	fn execute() {
+	}
+}
+
+#[cfg(any(feature = "std", test))]
+pub struct GenesisConfig<T: Trait> {
+	pub count: u32,
+	pub phantom: PhantomData<T>,
+}
+
+#[cfg(any(feature = "std", test))]
+impl<T: Trait> Default for GenesisConfig<T> {
+	fn default() -> Self {
+		GenesisConfig {
+			count: 0,
+			phantom: PhantomData,
+		}
+	}
+}
+
+#[cfg(any(feature = "std", test))]
+impl<T: Trait> runtime_primitives::BuildExternalities for GenesisConfig<T>
+{
+	fn build_externalities(self) -> runtime_io::TestExternalities {
+		use runtime_io::twox_128;
+		use codec::Slicable;
+		map![
+			twox_128(<Count<T>>::key()).to_vec() => self.count.encode()
+		]
+	}
+}
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+	use runtime_io::with_externalities;
+	use substrate_primitives::H256;
+	use runtime_primitives::BuildExternalities;
+	use runtime_primitives::traits::{HasPublicAux, Identity};
+	use runtime_primitives::testing::{Digest, Header};
+	use consensus;
+
+	pub struct Test;
+	impl HasPublicAux for Test {
+		type PublicAux = u64;
+	}
+	impl consensus::Trait for Test {
+		type PublicAux = <Self as HasPublicAux>::PublicAux;
+		type SessionKey = u64;
+	}
+	impl system::Trait for Test {
+		type Index = u64;
+		type BlockNumber = u64;
+		type Hash = H256;
+		type Hashing = runtime_io::BlakeTwo256;
+		type Digest = Digest;
+		type AccountId = u64;
+		type Header = Header;
+	}
+	impl session::Trait for Test {
+		type ConvertAccountIdToSessionKey = Identity;
+	}
+	impl Trait for Test {}
+
+	type System = system::Module<Test>;
+	type Parachains = Module<Test>;
+
+	fn new_test_ext() -> runtime_io::TestExternalities {
+		let mut t = system::GenesisConfig::<Test>::default().build_externalities();
+		t.extend(consensus::GenesisConfig::<Test>{
+			code: vec![],
+			authorities: vec![1, 2, 3],
+		}.build_externalities());
+		t.extend(session::GenesisConfig::<Test>{
+			session_length: 1000,
+			validators: vec![1, 2, 3, 4, 5, 6, 7, 8],
+		}.build_externalities());
+		t.extend(GenesisConfig::<Test>{
+			count: 2,
+			phantom: PhantomData,
+		}.build_externalities());
+		t
+	}
+
+	#[test]
+	fn simple_setup_should_work() {
+		with_externalities(&mut new_test_ext(), || {
+			assert_eq!(Parachains::count(), 2);
+		});
+	}
+
+	#[test]
+	fn should_work() {
+		with_externalities(&mut new_test_ext(), || {
+			let check_roster = |duty_roster: &DutyRoster| {
+				assert_eq!(duty_roster.validator_duty.len(), 8);
+				assert_eq!(duty_roster.guarantor_duty.len(), 8);
+				for i in (0..2).map(Id::from) {
+					assert_eq!(duty_roster.validator_duty.iter().filter(|&&j| j == Chain::Parachain(i)).count(), 3);
+					assert_eq!(duty_roster.guarantor_duty.iter().filter(|&&j| j == Chain::Parachain(i)).count(), 3);
+				}
+				assert_eq!(duty_roster.validator_duty.iter().filter(|&&j| j == Chain::Relay).count(), 2);
+				assert_eq!(duty_roster.guarantor_duty.iter().filter(|&&j| j == Chain::Relay).count(), 2);
+			};
+
+			System::set_random_seed([0u8; 32].into());
+			let duty_roster_0 = Parachains::calculate_duty_roster();
+			check_roster(&duty_roster_0);
+
+			System::set_random_seed([1u8; 32].into());
+			let duty_roster_1 = Parachains::calculate_duty_roster();
+			check_roster(&duty_roster_1);
+			assert!(duty_roster_0 != duty_roster_1);
+
+			System::set_random_seed([2u8; 32].into());
+			let duty_roster_2 = Parachains::calculate_duty_roster();
+			check_roster(&duty_roster_2);
+			assert!(duty_roster_0 != duty_roster_2);
+			assert!(duty_roster_1 != duty_roster_2);
+		});
+	}
+}

polkadot/runtime/src/runtime/consensus.rs

@@ -1,48 +0,0 @@
-// 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/>.
-
-//! Conensus module for runtime; manages the authority set ready for the native code.
-
-use rstd::prelude::*;
-use runtime_support::storage::unhashed::StorageVec;
-use polkadot_primitives::SessionKey;
-
-struct AuthorityStorageVec {}
-impl StorageVec for AuthorityStorageVec {
-	type Item = SessionKey;
-	const PREFIX: &'static [u8] = b":auth:";
-}
-
-/// Get the current set of authorities. These are the session keys.
-pub fn authorities() -> Vec<SessionKey> {
-	AuthorityStorageVec::items()
-}
-
-pub mod internal {
-	use super::*;
-
-	/// Set the current set of authorities' session keys.
-	///
-	/// Called by `next_session` only.
-	pub fn set_authorities<'a, I: IntoIterator<Item=&'a SessionKey>>(authorities: I) {
-		AuthorityStorageVec::set_items(authorities);
-	}
-
-	/// Set a single authority by index.
-	pub fn set_authority(index: u32, key: &SessionKey) {
-		AuthorityStorageVec::set_item(index, key);
-	}
-}

polkadot/runtime/src/runtime/governance.rs

@@ -1,371 +0,0 @@
-// 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/>.
-
-//! Governance system: Handles administration and dispatch of sensitive operations including
-//! setting new code, minting new tokens and changing parameters.
-//!
-//! For now this is limited to a simple qualified majority vote (whose parameter is retrieved from
-//! storage) between validators. A single vote may be proposed per era, and at most one approval
-//! vote may be cast by each validator. The tally is maintained through a simple tag in storage for
-//! each validator that has approved.
-//!
-//! At the end of the era, all validators approvals are tallied and if there are sufficient to pass
-//! the proposal then it is enacted. All items in storage concerning the proposal are reset.
-
-use rstd::prelude::*;
-use codec::KeyedVec;
-use runtime_support::storage;
-use polkadot_primitives::{Proposal, AccountId, Hash, BlockNumber};
-use runtime::{staking, system, session};
-
-const APPROVALS_REQUIRED: &[u8] = b"gov:apr";
-const CURRENT_PROPOSAL: &[u8] = b"gov:pro";
-const APPROVAL_OF: &[u8] = b"gov:app:";
-
-/// The proportion of validators required for a propsal to be approved measured as the number out
-/// of 1000.
-pub fn approval_ppm_required() -> u32 {
-	storage::get_or(APPROVALS_REQUIRED, 1000)
-}
-
-/// The number of concrete validator approvals required for a proposal to pass.
-pub fn approvals_required() -> u32 {
-	approval_ppm_required() * session::validator_count() / 1000
-}
-
-pub mod public {
-	use super::*;
-
-	/// Propose a sensitive action to be taken. Any action that is enactable by `Proposal` is valid.
-	/// Proposal is by the `transactor` and will automatically count as an approval. Transactor must
-	/// be a current validator. It is illegal to propose when there is already a proposal in effect.
-	pub fn propose(validator: &AccountId, proposal: &Proposal) {
-		if storage::exists(CURRENT_PROPOSAL) {
-			panic!("there may only be one proposal per era.");
-		}
-		storage::put(CURRENT_PROPOSAL, proposal);
-		approve(validator, staking::current_era());
-	}
-
-	/// Approve the current era's proposal. Transactor must be a validator. This may not be done more
-	/// than once for any validator in an era.
-	pub fn approve(validator: &AccountId, era_index: BlockNumber) {
-		if era_index != staking::current_era() {
-			panic!("approval vote applied on non-current era.")
-		}
-		if !storage::exists(CURRENT_PROPOSAL) {
-			panic!("there must be a proposal in order to approve.");
-		}
-		if session::validators().into_iter().position(|v| &v == validator).is_none() {
-			panic!("transactor must be a validator to approve.");
-		}
-		let key = validator.to_keyed_vec(APPROVAL_OF);
-		if storage::exists(&key) {
-			panic!("transactor may not approve a proposal twice in one era.");
-		}
-		storage::put(&key, &true);
-	}
-}
-
-pub mod privileged {
-	use super::*;
-
-	/// Set the proportion of validators that must approve for a proposal to be enacted at the end of
-	/// its era. The value, `ppm`, is measured as a fraction of 1000 rounded down to the nearest whole
-	/// validator. `1000` would require the approval of all validators; `667` would require two-thirds
-	/// (or there abouts) of validators.
-	pub fn set_approval_ppm_required(ppm: u32) {
-		storage::put(APPROVALS_REQUIRED, &ppm);
-	}
-}
-
-pub mod internal {
-	use super::*;
-	use polkadot_primitives::Proposal;
-
-	/// Current era is ending; we should finish up any proposals.
-	pub fn end_of_an_era() {
-		// tally up votes for the current proposal, if any. enact if there are sufficient approvals.
-		if let Some(proposal) = storage::take::<Proposal>(CURRENT_PROPOSAL) {
-			let approvals_required = approvals_required();
-			let approved = session::validators().into_iter()
-				.filter_map(|v| storage::take::<bool>(&v.to_keyed_vec(APPROVAL_OF)))
-				.take(approvals_required as usize)
-				.count() as u32;
-			if approved == approvals_required {
-				enact_proposal(proposal);
-			}
-		}
-	}
-
-	fn enact_proposal(proposal: Proposal) {
-		match proposal {
-			Proposal::SystemSetCode(code) => {
-				system::privileged::set_code(&code);
-			}
-			Proposal::SessionSetLength(value) => {
-				session::privileged::set_length(value);
-			}
-			Proposal::SessionForceNewSession => {
-				session::privileged::force_new_session();
-			}
-			Proposal::StakingSetSessionsPerEra(value) => {
-				staking::privileged::set_sessions_per_era(value);
-			}
-			Proposal::StakingSetBondingDuration(value) => {
-				staking::privileged::set_bonding_duration(value);
-			}
-			Proposal::StakingSetValidatorCount(value) => {
-				staking::privileged::set_validator_count(value);
-			}
-			Proposal::StakingForceNewEra => {
-				staking::privileged::force_new_era()
-			}
-			Proposal::GovernanceSetApprovalPpmRequired(value) => {
-				self::privileged::set_approval_ppm_required(value);
-			}
-
-		}
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use runtime_io::{with_externalities, twox_128, TestExternalities};
-	use codec::{KeyedVec, Joiner};
-	use keyring::Keyring;
-	use environment::with_env;
-	use polkadot_primitives::{AccountId, Proposal};
-	use runtime::{staking, session};
-
-	fn new_test_ext() -> TestExternalities {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-
-		map![
-			twox_128(APPROVALS_REQUIRED).to_vec() => vec![].and(&667u32),
-			twox_128(b"ses:len").to_vec() => vec![].and(&1u64),
-			twox_128(b"ses:val:len").to_vec() => vec![].and(&3u32),
-			twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => one.to_vec(),
-			twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => two.to_vec(),
-			twox_128(&2u32.to_keyed_vec(b"ses:val:")).to_vec() => three.to_vec(),
-			twox_128(b"sta:wil:len").to_vec() => vec![].and(&3u32),
-			twox_128(&0u32.to_keyed_vec(b"sta:wil:")).to_vec() => one.to_vec(),
-			twox_128(&1u32.to_keyed_vec(b"sta:wil:")).to_vec() => two.to_vec(),
-			twox_128(&2u32.to_keyed_vec(b"sta:wil:")).to_vec() => three.to_vec(),
-			twox_128(b"sta:spe").to_vec() => vec![].and(&1u64),
-			twox_128(b"sta:vac").to_vec() => vec![].and(&3u64),
-			twox_128(b"sta:era").to_vec() => vec![].and(&1u64)
-		]
-	}
-
-	#[test]
-	fn majority_voting_should_work() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Approve it. Era length changes.
-			system::testing::set_block_number(1);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			public::approve(&two, 1);
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 2);
-		});
-	}
-
-	#[test]
-	fn majority_voting_should_work_after_unsuccessful_previous() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Fail it.
-			system::testing::set_block_number(1);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 1);
-
-			// Block 2: Make proposal. Approve it. It should change era length.
-			system::testing::set_block_number(2);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			public::approve(&two, 2);
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 2);
-		});
-	}
-
-	#[test]
-	fn minority_voting_should_not_succeed() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Will have only 1 vote. No change.
-			system::testing::set_block_number(1);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 1);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn old_voting_should_be_illegal() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Will have only 1 vote. No change.
-			system::testing::set_block_number(1);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			public::approve(&two, 0);
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 1);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn double_voting_should_be_illegal() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Will have only 1 vote. No change.
-			system::testing::set_block_number(1);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			public::approve(&two, 1);
-			public::approve(&two, 1);
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 1);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn over_proposing_should_be_illegal() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Will have only 1 vote. No change.
-			system::testing::set_block_number(1);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			public::propose(&two, &Proposal::StakingSetSessionsPerEra(2));
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 1);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn approving_without_proposal_should_be_illegal() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Will have only 1 vote. No change.
-			system::testing::set_block_number(1);
-			public::approve(&two, 1);
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 1);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn non_validator_approving_should_be_illegal() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let four = [4u8; 32];
-		let mut t = new_test_ext();
-
-		with_externalities(&mut t, || {
-			assert_eq!(staking::era_length(), 1u64);
-			assert_eq!(staking::current_era(), 1u64);
-			assert_eq!(session::validator_count(), 3u32);
-			assert_eq!(session::validators(), vec![one.clone(), two.clone(), three.clone()]);
-			assert!(!session::validators().into_iter().position(|v| &v == &one).is_none());
-
-			// Block 1: Make proposal. Will have only 1 vote. No change.
-			system::testing::set_block_number(1);
-			public::propose(&one, &Proposal::StakingSetSessionsPerEra(2));
-			public::approve(&four, 1);
-			staking::internal::check_new_era();
-			assert_eq!(staking::era_length(), 1);
-		});
-	}
-}

polkadot/runtime/src/runtime/mod.rs

@@ -1,34 +0,0 @@
-// 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.
-
-#[allow(unused)]
-pub mod system;
-#[allow(unused)]
-pub mod consensus;
-#[allow(unused)]
-pub mod staking;
-#[allow(unused)]
-pub mod timestamp;
-#[allow(unused)]
-pub mod session;
-#[allow(unused)]
-pub mod governance;
-#[allow(unused)]
-pub mod parachains;
-
-// TODO: polkadao

polkadot/runtime/src/runtime/parachains.rs

@@ -1,123 +0,0 @@
-// 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/>.
-
-//! Main parachains logic. For now this is just the determination of which validators do what.
-
-use rstd::prelude::*;
-use codec::{Slicable, Joiner};
-use runtime_support::{Hashable, storage};
-use environment::with_env;
-use runtime::session;
-use polkadot_primitives::parachain::{Id, Chain, DutyRoster};
-
-const PARACHAIN_COUNT: &[u8] = b"par:cou";
-
-/// Get the number of parachains registered at present.
-pub fn parachain_count() -> u32 {
-	storage::get_or(PARACHAIN_COUNT, 0)
-}
-
-/// Calculate the current block's duty roster.
-pub fn calculate_duty_roster() -> DutyRoster {
-	let parachain_count = parachain_count();
-	let validator_count = session::validator_count() as u32;
-	let validators_per_parachain = (validator_count - 1) / parachain_count;
-
-	let mut roles_val = (0..validator_count).map(|i| match i {
-		i if i < parachain_count * validators_per_parachain =>
-			Chain::Parachain(Id::from(i / validators_per_parachain as u32)),
-		_ => Chain::Relay,
-	}).collect::<Vec<_>>();
-	let mut roles_gua = roles_val.clone();
-
-	let h = with_env(|e| e.parent_hash.clone());
-	let mut seed = Vec::<u8>::new().and(&h).and(b"validator_role_pairs").blake2_256();
-
-	// shuffle
-	for i in 0..(validator_count - 1) {
-		// 8 bytes of entropy used per cycle, 32 bytes entropy per hash
-		let offset = (i * 8 % 32) as usize;
-
-		// number of roles remaining to select from.
-		let remaining = (validator_count - i) as usize;
-
-		// 4 * 2 32-bit ints per 256-bit seed.
-		let val_index = u32::decode(&mut &seed[offset..offset + 4]).expect("using 4 bytes for a 32-bit quantity") as usize % remaining;
-		let gua_index = u32::decode(&mut &seed[offset + 4..offset + 8]).expect("using 4 bytes for a 32-bit quantity") as usize % remaining;
-
-		if offset == 24 {
-			// into the last 8 bytes - rehash to gather new entropy
-			seed = seed.blake2_256();
-		}
-
-		// exchange last item with randomly chosen first.
-		roles_val.swap(remaining - 1, val_index);
-		roles_gua.swap(remaining - 1, gua_index);
-	}
-
-	DutyRoster {
-		validator_duty: roles_val,
-		guarantor_duty: roles_gua,
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use runtime_io::{with_externalities, twox_128, TestExternalities};
-	use codec::{KeyedVec, Joiner};
-	use keyring::Keyring;
-	use runtime::{consensus, session};
-
-	fn simple_setup() -> TestExternalities {
-		map![
-			twox_128(b"ses:val:len").to_vec() => vec![].and(&8u32),
-			twox_128(b"par:cou").to_vec() => vec![].and(&2u32)
-		]
-	}
-
-	#[test]
-	fn should_work() {
-		let mut t = simple_setup();
-		with_externalities(&mut t, || {
-			let check_roster = |duty_roster: &DutyRoster| {
-				assert_eq!(duty_roster.validator_duty.len(), 8);
-				assert_eq!(duty_roster.guarantor_duty.len(), 8);
-				for i in (0..2).map(Id::from) {
-					assert_eq!(duty_roster.validator_duty.iter().filter(|&&j| j == Chain::Parachain(i)).count(), 3);
-					assert_eq!(duty_roster.guarantor_duty.iter().filter(|&&j| j == Chain::Parachain(i)).count(), 3);
-				}
-				assert_eq!(duty_roster.validator_duty.iter().filter(|&&j| j == Chain::Relay).count(), 2);
-				assert_eq!(duty_roster.guarantor_duty.iter().filter(|&&j| j == Chain::Relay).count(), 2);
-			};
-
-			with_env(|e| e.parent_hash = [0u8; 32].into());
-			let duty_roster_0 = calculate_duty_roster();
-			check_roster(&duty_roster_0);
-
-			with_env(|e| e.parent_hash = [1u8; 32].into());
-			let duty_roster_1 = calculate_duty_roster();
-			check_roster(&duty_roster_1);
-			assert!(duty_roster_0 != duty_roster_1);
-
-			with_env(|e| e.parent_hash = [2u8; 32].into());
-			let duty_roster_2 = calculate_duty_roster();
-			check_roster(&duty_roster_2);
-			assert!(duty_roster_0 != duty_roster_2);
-			assert!(duty_roster_1 != duty_roster_2);
-		});
-	}
-}

polkadot/runtime/src/runtime/session.rs

@@ -1,294 +0,0 @@
-// 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/>.
-
-//! Session manager: is told the validators and allows them to manage their session keys for the
-//! consensus module.
-
-use rstd::prelude::*;
-use codec::KeyedVec;
-use runtime_support::{storage, StorageVec};
-use polkadot_primitives::{AccountId, SessionKey, BlockNumber};
-use runtime::{system, staking, consensus};
-
-const SESSION_LENGTH: &[u8] = b"ses:len";
-const CURRENT_INDEX: &[u8] = b"ses:ind";
-const CURRENT_SESSION_START: &[u8] = b"ses:sta";
-const LAST_SESSION_START: &[u8] = b"ses:lst";
-const LAST_LENGTH_CHANGE: &[u8] = b"ses:llc";
-const NEXT_KEY_FOR: &[u8] = b"ses:nxt:";
-const NEXT_SESSION_LENGTH: &[u8] = b"ses:nln";
-
-struct ValidatorStorageVec;
-impl StorageVec for ValidatorStorageVec {
-	type Item = AccountId;
-	const PREFIX: &'static [u8] = b"ses:val:";
-}
-
-// the session keys before the previous.
-struct LastValidators;
-impl StorageVec for LastValidators {
-	type Item = (AccountId, SessionKey);
-	const PREFIX: &'static [u8] = b"ses:old:";
-}
-
-/// Get the current set of validators.
-pub fn validators() -> Vec<AccountId> {
-	ValidatorStorageVec::items()
-}
-
-/// The number of blocks in each session.
-pub fn length() -> BlockNumber {
-	storage::get_or(SESSION_LENGTH, 0)
-}
-
-/// The number of validators currently.
-pub fn validator_count() -> u32 {
-	ValidatorStorageVec::count() as u32
-}
-
-/// The current session index.
-pub fn current_index() -> BlockNumber {
-	storage::get_or(CURRENT_INDEX, 0)
-}
-
-/// Get the starting block of the current session.
-pub fn current_start_block() -> BlockNumber {
-	// this seems like it's computable just by examining the current block number, session length,
-	// and last length change, but it's not simple to tell whether we are before or after
-	// a session rotation on a block which will have one.
-	storage::get_or(CURRENT_SESSION_START, 0)
-}
-
-/// Get the last session's validators, paired with their authority keys.
-pub fn last_session_keys() -> Vec<(AccountId, SessionKey)> {
-	LastValidators::items()
-}
-
-/// Get the start block of the last session.
-/// In general this is computable from the session length,
-/// but when the current session is the first with a new length it is uncomputable.
-pub fn last_session_start() -> Option<BlockNumber> {
-	storage::get(LAST_SESSION_START)
-}
-
-/// The block number at which the era length last changed.
-pub fn last_length_change() -> BlockNumber {
-	storage::get_or(LAST_LENGTH_CHANGE, 0)
-}
-
-pub mod public {
-	use super::*;
-
-	/// Sets the session key of `_validator` to `_key`. This doesn't take effect until the next
-	/// session.
-	pub fn set_key(validator: &AccountId, key: &SessionKey) {
-		// set new value for next session
-		storage::put(&validator.to_keyed_vec(NEXT_KEY_FOR), key);
-	}
-}
-
-pub mod privileged {
-	use super::*;
-
-	/// Set a new era length. Won't kick in until the next era change (at current length).
-	pub fn set_length(new: BlockNumber) {
-		storage::put(NEXT_SESSION_LENGTH, &new);
-	}
-
-	/// Forces a new session.
-	pub fn force_new_session() {
-		rotate_session();
-	}
-}
-
-// INTERNAL API (available to other runtime modules)
-
-pub mod internal {
-	use super::*;
-
-	/// Transition to a new era, with a new set of valiators.
-	///
-	/// Called by staking::next_era() only. `next_session` should be called after this in order to
-	/// update the session keys to the next validator set.
-	pub fn set_validators(new: &[AccountId]) {
-		LastValidators::set_items(
-			new.iter().cloned().zip(consensus::authorities())
-		);
-		ValidatorStorageVec::set_items(new);
-		consensus::internal::set_authorities(new);
-	}
-
-	/// Hook to be called after transaction processing.
-	pub fn check_rotate_session() {
-		// do this last, after the staking system has had chance to switch out the authorities for the
-		// new set.
-		// check block number and call next_session if necessary.
-		if (system::block_number() - last_length_change()) % length() == 0 {
-			rotate_session();
-		}
-	}
-}
-
-/// Move onto next session: register the new authority set.
-fn rotate_session() {
-	// Increment current session index.
-	storage::put(CURRENT_INDEX, &(current_index() + 1));
-	// Enact era length change.
-	if let Some(next_len) = storage::get::<u64>(NEXT_SESSION_LENGTH) {
-		storage::put(SESSION_LENGTH, &next_len);
-		storage::put(LAST_LENGTH_CHANGE, &system::block_number());
-		storage::kill(NEXT_SESSION_LENGTH);
-	}
-
-	let validators = validators();
-
-	storage::put(LAST_SESSION_START, &current_start_block());
-	storage::put(CURRENT_SESSION_START, &system::block_number());
-	LastValidators::set_items(
-		validators.iter()
-			.cloned()
-			.zip(consensus::authorities())
-	);
-
-
-	// Update any changes in session keys.
-	validators.iter().enumerate().for_each(|(i, v)| {
-		let k = v.to_keyed_vec(NEXT_KEY_FOR);
-		if let Some(n) = storage::take(&k) {
-			// this is fine because the authorities vector currently
-			// matches the validators length perfectly.
-			consensus::internal::set_authority(i as u32, &n);
-		}
-	});
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use super::public::*;
-	use super::privileged::*;
-	use super::internal::*;
-	use runtime_io::{with_externalities, twox_128, TestExternalities};
-	use codec::{KeyedVec, Joiner};
-	use keyring::Keyring;
-	use environment::with_env;
-	use polkadot_primitives::AccountId;
-	use runtime::{consensus, session};
-
-	fn simple_setup() -> TestExternalities {
-		map![
-			twox_128(SESSION_LENGTH).to_vec() => vec![].and(&2u64),
-			// the validators (10, 20, ...)
-			twox_128(b"ses:val:len").to_vec() => vec![].and(&2u32),
-			twox_128(&0u32.to_keyed_vec(ValidatorStorageVec::PREFIX)).to_vec() => vec![10; 32],
-			twox_128(&1u32.to_keyed_vec(ValidatorStorageVec::PREFIX)).to_vec() => vec![20; 32],
-			// initial session keys (11, 21, ...)
-			b":auth:len".to_vec() => vec![].and(&2u32),
-			0u32.to_keyed_vec(b":auth:") => vec![11; 32],
-			1u32.to_keyed_vec(b":auth:") => vec![21; 32]
-		]
-	}
-
-	#[test]
-	fn simple_setup_should_work() {
-		let mut t = simple_setup();
-		with_externalities(&mut t, || {
-			assert_eq!(consensus::authorities(), vec![[11u8; 32], [21u8; 32]]);
-			assert_eq!(length(), 2u64);
-			assert_eq!(validators(), vec![[10u8; 32], [20u8; 32]]);
-		});
-	}
-
-	#[test]
-	fn session_length_change_should_work() {
-		let mut t = simple_setup();
-		with_externalities(&mut t, || {
-			// Block 1: Change to length 3; no visible change.
-			system::testing::set_block_number(1);
-			set_length(3);
-			check_rotate_session();
-			assert_eq!(length(), 2);
-			assert_eq!(current_index(), 0);
-
-			// Block 2: Length now changed to 3. Index incremented.
-			system::testing::set_block_number(2);
-			set_length(3);
-			check_rotate_session();
-			assert_eq!(length(), 3);
-			assert_eq!(current_index(), 1);
-
-			// Block 3: Length now changed to 3. Index incremented.
-			system::testing::set_block_number(3);
-			check_rotate_session();
-			assert_eq!(length(), 3);
-			assert_eq!(current_index(), 1);
-
-			// Block 4: Change to length 2; no visible change.
-			system::testing::set_block_number(4);
-			set_length(2);
-			check_rotate_session();
-			assert_eq!(length(), 3);
-			assert_eq!(current_index(), 1);
-
-			// Block 5: Length now changed to 2. Index incremented.
-			system::testing::set_block_number(5);
-			check_rotate_session();
-			assert_eq!(length(), 2);
-			assert_eq!(current_index(), 2);
-
-			// Block 6: No change.
-			system::testing::set_block_number(6);
-			check_rotate_session();
-			assert_eq!(length(), 2);
-			assert_eq!(current_index(), 2);
-
-			// Block 7: Next index.
-			system::testing::set_block_number(7);
-			check_rotate_session();
-			assert_eq!(length(), 2);
-			assert_eq!(current_index(), 3);
-		});
-	}
-
-	#[test]
-	fn session_change_should_work() {
-		let mut t = simple_setup();
-		with_externalities(&mut t, || {
-			// Block 1: No change
-			system::testing::set_block_number(1);
-			check_rotate_session();
-			assert_eq!(consensus::authorities(), vec![[11u8; 32], [21u8; 32]]);
-
-			// Block 2: Session rollover, but no change.
-			system::testing::set_block_number(2);
-			check_rotate_session();
-			assert_eq!(consensus::authorities(), vec![[11u8; 32], [21u8; 32]]);
-
-			// Block 3: Set new key for validator 2; no visible change.
-			system::testing::set_block_number(3);
-			set_key(&[20; 32], &[22; 32]);
-			assert_eq!(consensus::authorities(), vec![[11u8; 32], [21u8; 32]]);
-
-			check_rotate_session();
-			assert_eq!(consensus::authorities(), vec![[11u8; 32], [21u8; 32]]);
-
-			// Block 4: Session rollover, authority 2 changes.
-			system::testing::set_block_number(4);
-			check_rotate_session();
-			assert_eq!(consensus::authorities(), vec![[11u8; 32], [22u8; 32]]);
-		});
-	}
-}

polkadot/runtime/src/runtime/staking.rs

@@ -1,496 +0,0 @@
-// 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/>.
-
-//! Staking manager: Handles balances and periodically determines the best set of validators.
-
-use rstd::prelude::*;
-use rstd::cell::RefCell;
-use runtime_io::print;
-use codec::KeyedVec;
-use runtime_support::{storage, StorageVec};
-use polkadot_primitives::{BlockNumber, AccountId};
-use primitives::bft::{MisbehaviorReport, MisbehaviorKind};
-use runtime::{system, session, governance, consensus};
-
-type Balance = u64;
-type Bondage = u64;
-
-struct IntentionStorageVec {}
-impl StorageVec for IntentionStorageVec {
-	type Item = AccountId;
-	const PREFIX: &'static [u8] = b"sta:wil:";
-}
-
-const BONDING_DURATION: &[u8] = b"sta:loc";
-const VALIDATOR_COUNT: &[u8] = b"sta:vac";
-const SESSIONS_PER_ERA: &[u8] = b"sta:spe";
-const NEXT_SESSIONS_PER_ERA: &[u8] = b"sta:nse";
-const CURRENT_ERA: &[u8] = b"sta:era";
-const LAST_ERA_LENGTH_CHANGE: &[u8] = b"sta:lec";
-const TOTAL_STAKE: &[u8] = b"sta:tot";
-const BALANCE_OF: &[u8] = b"sta:bal:";
-const BONDAGE_OF: &[u8] = b"sta:bon:";
-
-/// The length of the bonding duration in eras.
-pub fn bonding_duration() -> BlockNumber {
-	storage::get_or_default(BONDING_DURATION)
-}
-
-/// The length of a staking era in sessions.
-pub fn validator_count() -> usize {
-	storage::get_or_default::<u32>(VALIDATOR_COUNT) as usize
-}
-
-/// The length of a staking era in blocks.
-pub fn era_length() -> BlockNumber {
-	sessions_per_era() * session::length()
-}
-
-/// The length of a staking era in sessions.
-pub fn sessions_per_era() -> BlockNumber {
-	storage::get_or_default(SESSIONS_PER_ERA)
-}
-
-/// The current era index.
-pub fn current_era() -> BlockNumber {
-	storage::get_or_default(CURRENT_ERA)
-}
-
-/// The block number at which the era length last changed.
-pub fn last_era_length_change() -> BlockNumber {
-	storage::get_or_default(LAST_ERA_LENGTH_CHANGE)
-}
-
-/// The balance of a given account.
-pub fn balance(who: &AccountId) -> Balance {
-	storage::get_or_default(&who.to_keyed_vec(BALANCE_OF))
-}
-
-/// Gives the index of the era where the account's balance will no longer
-/// be bonded.
-pub fn bondage(who: &AccountId) -> Bondage {
-	storage::get_or_default(&who.to_keyed_vec(BONDAGE_OF))
-}
-
-fn set_balance(who: &AccountId, amount: Balance) {
-	storage::put(&who.to_keyed_vec(BALANCE_OF), &amount)
-}
-
-// Each identity's stake may be in one of three bondage states, given by an integer:
-// - n | n <= current_era(): inactive: free to be transferred.
-// - ~0: active: currently representing a validator.
-// - n | n > current_era(): deactivating: recently representing a validator and not yet
-//   ready for transfer.
-
-pub mod public {
-	use super::*;
-
-	/// Transfer some unlocked staking balance to another staker.
-	pub fn transfer(transactor: &AccountId, dest: &AccountId, value: Balance) {
-		let from_key = transactor.to_keyed_vec(BALANCE_OF);
-		let from_balance = storage::get_or_default::<Balance>(&from_key);
-		assert!(from_balance >= value);
-		let to_key = dest.to_keyed_vec(BALANCE_OF);
-		let to_balance: Balance = storage::get_or_default(&to_key);
-		assert!(bondage(transactor) <= bondage(dest));
-		assert!(to_balance + value > to_balance);	// no overflow
-		storage::put(&from_key, &(from_balance - value));
-		storage::put(&to_key, &(to_balance + value));
-	}
-
-	/// Declare the desire to stake for the transactor.
-	///
-	/// Effects will be felt at the beginning of the next era.
-	pub fn stake(transactor: &AccountId) {
-		let mut intentions = IntentionStorageVec::items();
-		// can't be in the list twice.
-		assert!(intentions.iter().find(|t| t == &transactor).is_none(), "Cannot stake if already staked.");
-		intentions.push(transactor.clone());
-		IntentionStorageVec::set_items(&intentions);
-		storage::put(&transactor.to_keyed_vec(BONDAGE_OF), &u64::max_value());
-	}
-
-	/// Retract the desire to stake for the transactor.
-	///
-	/// Effects will be felt at the beginning of the next era.
-	pub fn unstake(transactor: &AccountId) {
-		let mut intentions = IntentionStorageVec::items();
-		if let Some(position) = intentions.iter().position(|t| t == transactor) {
-			intentions.swap_remove(position);
-		} else {
-			panic!("Cannot unstake if not already staked.");
-		}
-		IntentionStorageVec::set_items(&intentions);
-		storage::put(&transactor.to_keyed_vec(BONDAGE_OF), &(current_era() + bonding_duration()));
-	}
-
-	/// Report misbehavior. Only validators may do this, signing under
-	/// the authority key of the session the report corresponds to.
-	///
-	/// Reports older than one session in the past will be ignored.
-	pub fn report_misbehavior(transactor: &AccountId, report: &MisbehaviorReport) {
-		let (validators, authorities) = if report.parent_number < session::last_session_start().unwrap_or(0) {
-			panic!("report is too old");
-		} else if report.parent_number < session::current_start_block() {
-			session::last_session_keys().into_iter().unzip()
-		} else {
-			(session::validators(), consensus::authorities())
-		};
-
-		if report.parent_hash != system::block_hash(report.parent_number) {
-			// report out of chain.
-			panic!("report not from this blockchain");
-		}
-
-		let reporting_validator = match authorities.iter().position(|x| x == transactor) {
-			None => panic!("only validators may report"),
-			Some(pos) => validators.get(pos).expect("validators and authorities have same cardinality; qed"),
-		};
-
-		// any invalidity beyond this point is actually its own misbehavior.
-		let target = match authorities.iter().position(|x| x == &report.target) {
-			None => {
-				slash(reporting_validator, None);
-				return;
-			}
-			Some(pos) => validators.get(pos).expect("validators and authorities have same cardinality; qed"),
-		};
-
-		let misbehaved = ::misbehavior_check::evaluate_misbehavior(&report.target, report.parent_hash, &report.misbehavior);
-		if misbehaved {
-			slash(target, Some(reporting_validator))
-		} else {
-			slash(reporting_validator, None);
-		}
-	}
-}
-
-pub mod privileged {
-	use super::*;
-
-	/// Set the number of sessions in an era.
-	pub fn set_sessions_per_era(new: BlockNumber) {
-		storage::put(NEXT_SESSIONS_PER_ERA, &new);
-	}
-
-	/// The length of the bonding duration in eras.
-	pub fn set_bonding_duration(new: BlockNumber) {
-		storage::put(BONDING_DURATION, &new);
-	}
-
-	/// The length of a staking era in sessions.
-	pub fn set_validator_count(new: u32) {
-		storage::put(VALIDATOR_COUNT, &new);
-	}
-
-	/// Force there to be a new era. This also forces a new session immediately after.
-	pub fn force_new_era() {
-		new_era();
-		session::privileged::force_new_session();
-	}
-}
-
-pub mod internal {
-	use super::*;
-
-	/// Hook to be called after to transaction processing.
-	pub fn check_new_era() {
-		// check block number and call new_era if necessary.
-		if (system::block_number() - last_era_length_change()) % era_length() == 0 {
-			new_era();
-		}
-	}
-}
-
-/// Slash a validator, with an optional benefactor.
-fn slash(who: &AccountId, benefactor: Option<&AccountId>) {
-	// the reciprocal of the proportion of the amount slashed to give
-	// to the benefactor.
-	const SLASH_REWARD_DENOMINATOR: Balance = 10;
-
-	let slashed = balance(who);
-	set_balance(who, 0);
-
-	if let Some(benefactor) = benefactor {
-		let reward = slashed / SLASH_REWARD_DENOMINATOR;
-
-		let prior = balance(benefactor);
-		set_balance(benefactor, prior + reward);
-	}
-}
-
-/// The era has changed - enact new staking set.
-///
-/// NOTE: This always happens immediately before a session change to ensure that new validators
-/// get a chance to set their session keys.
-fn new_era() {
-	// Inform governance module that it's the end of an era
-	governance::internal::end_of_an_era();
-
-	// Increment current era.
-	storage::put(CURRENT_ERA, &(current_era() + 1));
-
-	// Enact era length change.
-	let next_spe: u64 = storage::get_or_default(NEXT_SESSIONS_PER_ERA);
-	if next_spe > 0 && next_spe != sessions_per_era() {
-		storage::put(SESSIONS_PER_ERA, &next_spe);
-		storage::put(LAST_ERA_LENGTH_CHANGE, &system::block_number());
-	}
-
-	// evaluate desired staking amounts and nominations and optimise to find the best
-	// combination of validators, then use session::internal::set_validators().
-	// for now, this just orders would-be stakers by their balances and chooses the top-most
-	// validator_count() of them.
-	let mut intentions = IntentionStorageVec::items()
-		.into_iter()
-		.map(|v| (balance(&v), v))
-		.collect::<Vec<_>>();
-	intentions.sort_unstable_by(|&(b1, _), &(b2, _)| b2.cmp(&b1));
-	session::internal::set_validators(
-		&intentions.into_iter()
-			.map(|(_, v)| v)
-			.take(validator_count())
-			.collect::<Vec<_>>()
-	);
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use super::internal::*;
-	use super::public::*;
-	use super::privileged::*;
-
-	use runtime_io::{with_externalities, twox_128, TestExternalities};
-	use codec::{KeyedVec, Joiner};
-	use keyring::Keyring;
-	use environment::with_env;
-	use polkadot_primitives::AccountId;
-	use runtime::{staking, session};
-
-	#[test]
-	fn staking_should_work() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-		let four = [4u8; 32];
-
-		let mut t: TestExternalities = map![
-			twox_128(b"ses:len").to_vec() => vec![].and(&1u64),
-			twox_128(b"ses:val:len").to_vec() => vec![].and(&2u32),
-			twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => vec![10; 32],
-			twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => vec![20; 32],
-			twox_128(SESSIONS_PER_ERA).to_vec() => vec![].and(&2u64),
-			twox_128(VALIDATOR_COUNT).to_vec() => vec![].and(&2u32),
-			twox_128(BONDING_DURATION).to_vec() => vec![].and(&3u64),
-			twox_128(TOTAL_STAKE).to_vec() => vec![].and(&100u64),
-			twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&10u64),
-			twox_128(&two.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&20u64),
-			twox_128(&three.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&30u64),
-			twox_128(&four.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&40u64)
-		];
-
-		with_externalities(&mut t, || {
-			assert_eq!(era_length(), 2u64);
-			assert_eq!(validator_count(), 2usize);
-			assert_eq!(bonding_duration(), 3u64);
-			assert_eq!(session::validators(), vec![[10u8; 32], [20u8; 32]]);
-
-			// Block 1: Add three validators. No obvious change.
-			system::testing::set_block_number(1);
-			stake(&one);
-			stake(&two);
-			stake(&four);
-			check_new_era();
-			assert_eq!(session::validators(), vec![[10u8; 32], [20u8; 32]]);
-
-			// Block 2: New validator set now.
-			system::testing::set_block_number(2);
-			check_new_era();
-			assert_eq!(session::validators(), vec![four.clone(), two.clone()]);
-
-			// Block 3: Unstake highest, introduce another staker. No change yet.
-			system::testing::set_block_number(3);
-			stake(&three);
-			unstake(&four);
-			check_new_era();
-
-			// Block 4: New era - validators change.
-			system::testing::set_block_number(4);
-			check_new_era();
-			assert_eq!(session::validators(), vec![three.clone(), two.clone()]);
-
-			// Block 5: Transfer stake from highest to lowest. No change yet.
-			system::testing::set_block_number(5);
-			transfer(&four, &one, 40);
-			check_new_era();
-
-			// Block 6: Lowest now validator.
-			system::testing::set_block_number(6);
-			check_new_era();
-			assert_eq!(session::validators(), vec![one.clone(), three.clone()]);
-
-			// Block 7: Unstake three. No change yet.
-			system::testing::set_block_number(7);
-			unstake(&three);
-			check_new_era();
-			assert_eq!(session::validators(), vec![one.clone(), three.clone()]);
-
-			// Block 8: Back to one and two.
-			system::testing::set_block_number(8);
-			check_new_era();
-			assert_eq!(session::validators(), vec![one.clone(), two.clone()]);
-		});
-	}
-
-	#[test]
-	fn staking_eras_work() {
-		let mut t: TestExternalities = map![
-			twox_128(b"ses:len").to_vec() => vec![].and(&1u64),
-			twox_128(SESSIONS_PER_ERA).to_vec() => vec![].and(&2u64)
-		];
-		with_externalities(&mut t, || {
-			assert_eq!(era_length(), 2u64);
-			assert_eq!(sessions_per_era(), 2u64);
-			assert_eq!(last_era_length_change(), 0u64);
-			assert_eq!(current_era(), 0u64);
-
-			// Block 1: No change.
-			system::testing::set_block_number(1);
-			check_new_era();
-			assert_eq!(sessions_per_era(), 2u64);
-			assert_eq!(last_era_length_change(), 0u64);
-			assert_eq!(current_era(), 0u64);
-
-			// Block 2: Simple era change.
-			system::testing::set_block_number(2);
-			check_new_era();
-			assert_eq!(sessions_per_era(), 2u64);
-			assert_eq!(last_era_length_change(), 0u64);
-			assert_eq!(current_era(), 1u64);
-
-			// Block 3: Schedule an era length change; no visible changes.
-			system::testing::set_block_number(3);
-			set_sessions_per_era(3);
-			check_new_era();
-			assert_eq!(sessions_per_era(), 2u64);
-			assert_eq!(last_era_length_change(), 0u64);
-			assert_eq!(current_era(), 1u64);
-
-			// Block 4: Era change kicks in.
-			system::testing::set_block_number(4);
-			check_new_era();
-			assert_eq!(sessions_per_era(), 3u64);
-			assert_eq!(last_era_length_change(), 4u64);
-			assert_eq!(current_era(), 2u64);
-
-			// Block 5: No change.
-			system::testing::set_block_number(5);
-			check_new_era();
-			assert_eq!(sessions_per_era(), 3u64);
-			assert_eq!(last_era_length_change(), 4u64);
-			assert_eq!(current_era(), 2u64);
-
-			// Block 6: No change.
-			system::testing::set_block_number(6);
-			check_new_era();
-			assert_eq!(sessions_per_era(), 3u64);
-			assert_eq!(last_era_length_change(), 4u64);
-			assert_eq!(current_era(), 2u64);
-
-			// Block 7: Era increment.
-			system::testing::set_block_number(7);
-			check_new_era();
-			assert_eq!(sessions_per_era(), 3u64);
-			assert_eq!(last_era_length_change(), 4u64);
-			assert_eq!(current_era(), 3u64);
-		});
-	}
-
-	#[test]
-	fn staking_balance_works() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&42u64)
-		];
-
-		with_externalities(&mut t, || {
-			assert_eq!(balance(&one), 42);
-			assert_eq!(balance(&two), 0);
-		});
-	}
-
-	#[test]
-	fn staking_balance_transfer_works() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&111u64)
-		];
-
-		with_externalities(&mut t, || {
-			transfer(&one, &two, 69);
-			assert_eq!(balance(&one), 42);
-			assert_eq!(balance(&two), 69);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn staking_balance_transfer_when_bonded_doesnt_work() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&111u64)
-		];
-
-		with_externalities(&mut t, || {
-			stake(&one);
-			transfer(&one, &two, 69);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn misbehavior_report_by_non_validator_panics() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(BALANCE_OF)).to_vec() => vec![].and(&111u64)
-		];
-
-		with_externalities(&mut t, || {
-			// the misbehavior report here is invalid, but that
-			// actually doesn't panic; instead it would slash the bad
-			// reporter.
-			report_misbehavior(&one, &MisbehaviorReport {
-				parent_hash: [0; 32].into(),
-				parent_number: 0,
-				target: two,
-				misbehavior: MisbehaviorKind::BftDoubleCommit(
-					2,
-					([1; 32].into(), [2; 64].into()),
-					([3; 32].into(), [4; 64].into()),
-				),
-			})
-		});
-	}
-}

polkadot/runtime/src/runtime/system.rs

@@ -1,450 +0,0 @@
-// 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/>.
-
-//! System manager: Handles all of the top-level stuff; executing block/transaction, setting code
-//! and depositing logs.
-
-use rstd::mem;
-use rstd::prelude::*;
-
-use codec::{KeyedVec, Slicable};
-use environment::with_env;
-use polkadot_primitives::{
-	AccountId, Hash, TxOrder, BlockNumber, Block, Header,
-	UncheckedTransaction, Function, InherentFunction, Log
-};
-
-use runtime_io::{print, storage_root, enumerated_trie_root};
-use runtime_support::{Hashable, storage};
-use runtime::{staking, session};
-
-/// Prefixes account ID and stores u64 nonce.
-pub const NONCE_OF: &[u8] = b"sys:non:";
-/// Prefixes block number and stores hash of that block.
-pub const BLOCK_HASH_AT: &[u8] = b"sys:old:";
-/// Stores the temporary current transaction number.
-pub const TEMP_TRANSACTION_NUMBER: &[u8] = b"temp:txcount";
-
-/// The current block number being processed. Set by `execute_block`.
-pub fn block_number() -> BlockNumber {
-	with_env(|e| e.block_number)
-}
-
-/// Get the block hash of a given block (uses storage).
-pub fn block_hash(number: BlockNumber) -> Hash {
-	storage::get_or_default(&number.to_keyed_vec(BLOCK_HASH_AT))
-}
-
-pub mod privileged {
-	use super::*;
-
-	/// Set the new code.
-	pub fn set_code(new: &[u8]) {
-		storage::unhashed::put_raw(b":code", new);
-	}
-}
-
-pub mod internal {
-	use super::*;
-
-	/// Deposits a log and ensures it matches the blocks log data.
-	pub fn deposit_log(log: Log) {
-		with_env(|e| e.digest.logs.push(log));
-	}
-
-	/// Actually execute all transitioning for `block`.
-	pub fn execute_block(mut block: Block) {
-		// populate environment from header.
-		with_env(|e| {
-			e.block_number = block.header.number;
-			e.parent_hash = block.header.parent_hash;
-		});
-
-		// any initial checks
-		initial_checks(&block);
-
-		// execute all transactions, inherent or otherwise.
-		for (tx_num, tx) in block.all_transactions().enumerate() {
-			super::execute_transaction(tx, tx_num as u64);
-		}
-
-		// post-transactional book-keeping.
-		staking::internal::check_new_era();
-		session::internal::check_rotate_session();
-
-		// any final checks
-		final_checks(&block);
-
-		// any stuff that we do after taking the storage root.
-		post_finalise(&block.header);
-	}
-
-	/// Execute a transaction outside of the block execution function.
-	/// This doesn't attempt to validate anything regarding the block.
-	/// Note that when building a block transaction by transaction, the
-	/// inherent methods must be called manually.
-	pub fn execute_transaction(utx: UncheckedTransaction, mut header: Header) -> Header {
-		// populate environment from header.
-		with_env(|e| {
-			e.block_number = header.number;
-			e.parent_hash = header.parent_hash;
-			mem::swap(&mut header.digest, &mut e.digest);
-		});
-
-		let tx_num: u64 = storage::get_or_default(TEMP_TRANSACTION_NUMBER);
-
-		super::execute_transaction(utx, tx_num);
-
-		with_env(|e| {
-			mem::swap(&mut header.digest, &mut e.digest);
-		});
-
-		storage::put(TEMP_TRANSACTION_NUMBER, &(tx_num + 1));
-
-		header
-	}
-
-	/// Finalise the block - it is up the caller to ensure that all header fields are valid
-	/// except state-root.
-	pub fn finalise_block(mut header: Header) -> Header {
-		// populate environment from header.
-		with_env(|e| {
-			e.block_number = header.number;
-			e.parent_hash = header.parent_hash;
-			mem::swap(&mut header.digest, &mut e.digest);
-		});
-
-		let tx_count: u64 = storage::take_or_default(TEMP_TRANSACTION_NUMBER);
-		if tx_count < Function::inherent_functions() {
-			panic!("Not enough transactions provided to fulfill all inherent functions.");
-		}
-
-		staking::internal::check_new_era();
-		session::internal::check_rotate_session();
-
-		header.state_root = storage_root().into();
-		with_env(|e| {
-			mem::swap(&mut header.digest, &mut e.digest);
-		});
-
-		post_finalise(&header);
-
-		header
-	}
-}
-
-/// Get an account's current nonce.
-pub fn nonce(account: AccountId) -> TxOrder {
-	let nonce_key = account.to_keyed_vec(NONCE_OF);
-	storage::get_or(&nonce_key, 0)
-}
-
-/// Dispatch a function.
-fn dispatch_function(function: &Function, transactor: &AccountId) {
-	match *function {
-		Function::Inherent(InherentFunction::TimestampSet(t)) => {
-			::runtime::timestamp::public::set(t);
-		}
-		Function::StakingStake => {
-			::runtime::staking::public::stake(transactor);
-		}
-		Function::StakingUnstake => {
-			::runtime::staking::public::unstake(transactor);
-		}
-		Function::StakingTransfer(dest, value) => {
-			::runtime::staking::public::transfer(transactor, &dest, value);
-		}
-		Function::ReportMisbehavior(ref report) => {
-			::runtime::staking::public::report_misbehavior(transactor, report)
-		}
-		Function::SessionSetKey(session) => {
-			::runtime::session::public::set_key(transactor, &session);
-		}
-		Function::GovernancePropose(ref proposal) => {
-			::runtime::governance::public::propose(transactor, proposal);
-		}
-		Function::GovernanceApprove(era_index) => {
-			::runtime::governance::public::approve(transactor, era_index);
-		}
-	}
-}
-
-fn execute_transaction(utx: UncheckedTransaction, tx_num: u64) {
-	use ::transaction;
-
-	// Verify the transaction is authenticated at its position.
-	let tx = match transaction::check(utx, tx_num) {
-		Ok(tx) => tx,
-		Err(_) => panic!("Transaction at index {} not properly authenticated", tx_num),
-	};
-
-	// check nonce
-	let nonce_key = tx.signed.to_keyed_vec(NONCE_OF);
-	let (expected_nonce, increment_nonce) = if !tx.function.is_inherent() {
-		(storage::get_or(&nonce_key, 0), true)
-	} else {
-		(0, false)
-	};
-
-	assert!(tx.nonce == expected_nonce, "All transactions should have the correct nonce");
-
-	// increment nonce in storage, unless it's the EVERYBODY account.
-	if increment_nonce {
-		storage::put(&nonce_key, &(expected_nonce + 1));
-	}
-
-	// decode parameters and dispatch
-	dispatch_function(&tx.function, &tx.signed);
-}
-
-fn initial_checks(block: &Block) {
-	let ref header = block.header;
-
-	// check parent_hash is correct.
-	assert!(
-		header.number > 0 && block_hash(header.number - 1) == header.parent_hash,
-		"Parent hash should be valid."
-	);
-
-	// check transaction trie root represents the transactions.
-	let txs = block.all_transactions().map(|tx| Slicable::encode(&tx)).collect::<Vec<_>>();
-	let txs = txs.iter().map(Vec::as_slice).collect::<Vec<_>>();
-	let txs_root = enumerated_trie_root(&txs).into();
-	info_expect_equal_hash(&header.transaction_root, &txs_root);
-	assert!(header.transaction_root == txs_root, "Transaction trie root must be valid.");
-}
-
-fn final_checks(block: &Block) {
-	let ref header = block.header;
-
-	// check digest
-	with_env(|e| {
-		assert!(header.digest == e.digest);
-	});
-
-	// check storage root.
-	let storage_root = storage_root().into();
-	info_expect_equal_hash(&header.state_root, &storage_root);
-	assert!(header.state_root == storage_root, "Storage root must match that calculated.");
-}
-
-fn post_finalise(header: &Header) {
-	// store the header hash in storage; we can't do it before otherwise there would be a
-	// cyclic dependency.
-	storage::put(&header.number.to_keyed_vec(BLOCK_HASH_AT), &header.blake2_256());
-}
-
-#[cfg(feature = "std")]
-fn info_expect_equal_hash(given: &Hash, expected: &Hash) {
-	use primitives::hexdisplay::HexDisplay;
-	if given != expected {
-		println!("Hash: given={}, expected={}", HexDisplay::from(&given.0), HexDisplay::from(&expected.0));
-	}
-}
-
-#[cfg(not(feature = "std"))]
-fn info_expect_equal_hash(given: &Hash, expected: &Hash) {
-	if given != expected {
-		print("Hash not equal");
-		print(&given.0[..]);
-		print(&expected.0[..]);
-	}
-}
-
-#[cfg(any(feature = "std", test))]
-pub mod testing {
-	use super::*;
-
-	pub fn set_block_number(n: BlockNumber) {
-		with_env(|e| e.block_number = n);
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use super::internal::*;
-
-	use runtime_io::{with_externalities, twox_128, TestExternalities};
-	use codec::{Joiner, KeyedVec, Slicable};
-	use keyring::Keyring;
-	use environment::with_env;
-	use primitives::hexdisplay::HexDisplay;
-	use polkadot_primitives::{Header, Body, Digest, UncheckedTransaction, Transaction, Function, InherentFunction};
-	use runtime::staking;
-
-	fn set_timestamp() -> UncheckedTransaction {
-		UncheckedTransaction::inherent(InherentFunction::TimestampSet(100_000))
-	}
-
-	#[test]
-	#[should_panic]
-	fn fails_if_first_not_timestamp_set() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let tx = UncheckedTransaction {
-			transaction: Transaction {
-				signed: one.clone(),
-				nonce: 0,
-				function: Function::StakingTransfer(two, 69),
-			},
-			signature: hex!("5f9832c5a4a39e2dd4a3a0c5b400e9836beb362cb8f7d845a8291a2ae6fe366612e080e4acd0b5a75c3d0b6ee69614a68fb63698c1e76bf1f2dcd8fa617ddf05").into(),
-		};
-
-		with_externalities(&mut t, || {
-			internal::execute_transaction(tx, Header::from_block_number(1));
-		});
-	}
-
-	#[test]
-	fn staking_balance_transfer_dispatch_works() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t: TestExternalities = map![
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
-		];
-
-		let tx = UncheckedTransaction {
-			transaction: Transaction {
-				signed: one.clone(),
-				nonce: 0,
-				function: Function::StakingTransfer(two, 69),
-			},
-			signature: hex!("5f9832c5a4a39e2dd4a3a0c5b400e9836beb362cb8f7d845a8291a2ae6fe366612e080e4acd0b5a75c3d0b6ee69614a68fb63698c1e76bf1f2dcd8fa617ddf05").into(),
-		};
-
-		with_externalities(&mut t, || {
-			let header = Header::from_block_number(1);
-			let header = internal::execute_transaction(set_timestamp(), header);
-			internal::execute_transaction(tx, header);
-			assert_eq!(staking::balance(&one), 42);
-			assert_eq!(staking::balance(&two), 69);
-		});
-	}
-
-	fn new_test_ext() -> TestExternalities {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-		let three = [3u8; 32];
-
-		map![
-			twox_128(&0u64.to_keyed_vec(b"sys:old:")).to_vec() => [69u8; 32].encode(),
-			twox_128(b"gov:apr").to_vec() => vec![].and(&667u32),
-			twox_128(b"ses:len").to_vec() => vec![].and(&2u64),
-			twox_128(b"ses:val:len").to_vec() => vec![].and(&3u32),
-			twox_128(&0u32.to_keyed_vec(b"ses:val:")).to_vec() => one.to_vec(),
-			twox_128(&1u32.to_keyed_vec(b"ses:val:")).to_vec() => two.to_vec(),
-			twox_128(&2u32.to_keyed_vec(b"ses:val:")).to_vec() => three.to_vec(),
-			twox_128(b"sta:wil:len").to_vec() => vec![].and(&3u32),
-			twox_128(&0u32.to_keyed_vec(b"sta:wil:")).to_vec() => one.to_vec(),
-			twox_128(&1u32.to_keyed_vec(b"sta:wil:")).to_vec() => two.to_vec(),
-			twox_128(&2u32.to_keyed_vec(b"sta:wil:")).to_vec() => three.to_vec(),
-			twox_128(b"sta:spe").to_vec() => vec![].and(&2u64),
-			twox_128(b"sta:vac").to_vec() => vec![].and(&3u64),
-			twox_128(b"sta:era").to_vec() => vec![].and(&0u64),
-			twox_128(&one.to_keyed_vec(b"sta:bal:")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
-		]
-	}
-
-	#[test]
-	fn block_import_works() {
-		let mut t = new_test_ext();
-
-		let h = Header {
-			parent_hash: [69u8; 32].into(),
-			number: 1,
-			state_root: hex!("aa4fbcdc09b21e4366aebccd9b9ec0831a8a2765c712d3397f121ff8e60e21e2").into(),
-			transaction_root: hex!("328ae80be3adf358d2a2e188cbe1bfd3f8cd5b15a2e7666e2b4eccf7450efc32").into(),
-			digest: Digest { logs: vec![], },
-		};
-
-		let b = Block {
-			header: h,
-			body: Body {
-				timestamp: 100_000,
-				transactions: vec![]
-			}
-		};
-
-		with_externalities(&mut t, || {
-			execute_block(b);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn block_import_of_bad_state_root_fails() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t = new_test_ext();
-
-		let h = Header {
-			parent_hash: [69u8; 32].into(),
-			number: 1,
-			state_root: [0u8; 32].into(),
-			transaction_root: hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421").into(),
-			digest: Digest { logs: vec![], },
-		};
-
-		let b = Block {
-			header: h,
-			body: Body {
-				timestamp: 100_000,
-				transactions: vec![],
-			}
-		};
-
-		with_externalities(&mut t, || {
-			execute_block(b);
-		});
-	}
-
-	#[test]
-	#[should_panic]
-	fn block_import_of_bad_transaction_root_fails() {
-		let one = Keyring::One.to_raw_public();
-		let two = Keyring::Two.to_raw_public();
-
-		let mut t = new_test_ext();
-
-		let h = Header {
-			parent_hash: [69u8; 32].into(),
-			number: 1,
-			state_root: hex!("1ab2dbb7d4868a670b181327b0b6a58dc64b10cfb9876f737a5aa014b8da31e0").into(),
-			transaction_root: [0u8; 32].into(),
-			digest: Digest { logs: vec![], },
-		};
-
-		let b = Block {
-			header: h,
-			body: Body {
-				timestamp: 100_000,
-				transactions: vec![],
-			}
-		};
-
-		with_externalities(&mut t, || {
-			execute_block(b);
-		});
-	}
-}

polkadot/runtime/src/runtime/timestamp.rs

@@ -1,63 +0,0 @@
-// 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/>.
-
-//! Timestamp manager: just handles the current timestamp.
-
-use runtime_support::storage;
-use polkadot_primitives::Timestamp;
-
-const CURRENT_TIMESTAMP: &[u8] = b"tim:val";
-
-/// Get the current time.
-pub fn get() -> Timestamp {
-	storage::get_or_default(CURRENT_TIMESTAMP)
-}
-
-pub mod public {
-	use super::*;
-
-	/// Set the current time.
-	pub fn set(now: Timestamp) {
-		if super::get() > now {
-			panic!("last timestamp less than now");
-		}
-
-		storage::put(CURRENT_TIMESTAMP, &now);
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-	use super::public::*;
-
-	use runtime_io::{with_externalities, twox_128, TestExternalities};
-	use runtime::timestamp;
-	use codec::{Joiner, KeyedVec};
-
-	#[test]
-	fn timestamp_works() {
-		let mut t: TestExternalities = map![
-			twox_128(CURRENT_TIMESTAMP).to_vec() => vec![].and(&42u64)
-		];
-
-		with_externalities(&mut t, || {
-			assert_eq!(get(), 42);
-			set(69);
-			assert_eq!(get(), 69);
-		});
-	}
-}

polkadot/runtime/wasm/Cargo.lock

@@ -220,6 +220,16 @@ dependencies = [
  "proc-macro-hack 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "integer-sqrt"
+version = "0.1.0"
+source = "git+https://github.com/paritytech/integer-sqrt-rs.git#f4cf61482096dc98c1273f46a10849d182b4c23c"
+
+[[package]]
+name = "integer-sqrt"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "isatty"
 version = "0.1.6"
@@ -308,6 +318,11 @@ name = "nodrop"
 version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "num-traits"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "num_cpus"
 version = "1.8.0"
@@ -383,6 +398,7 @@ dependencies = [
  "serde_derive 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-codec 0.1.0",
  "substrate-primitives 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
  "substrate-runtime-std 0.1.0",
 ]
 
@@ -390,13 +406,23 @@ dependencies = [
 name = "polkadot-runtime"
 version = "0.1.0"
 dependencies = [
+ "integer-sqrt 0.1.0 (git+https://github.com/paritytech/integer-sqrt-rs.git)",
  "polkadot-primitives 0.1.0",
+ "safe-mix 0.1.0",
  "substrate-codec 0.1.0",
- "substrate-misbehavior-check 0.1.0",
  "substrate-primitives 0.1.0",
+ "substrate-runtime-consensus 0.1.0",
+ "substrate-runtime-council 0.1.0",
+ "substrate-runtime-democracy 0.1.0",
+ "substrate-runtime-executive 0.1.0",
  "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-session 0.1.0",
+ "substrate-runtime-staking 0.1.0",
  "substrate-runtime-std 0.1.0",
  "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+ "substrate-runtime-timestamp 0.1.0",
 ]
 
 [[package]]
@@ -541,6 +567,13 @@ dependencies = [
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "safe-mix"
+version = "0.1.0"
+dependencies = [
+ "rustc_version 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "scopeguard"
 version = "0.3.3"
@@ -601,12 +634,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "substrate-misbehavior-check"
+name = "substrate-keyring"
 version = "0.1.0"
 dependencies = [
- "substrate-codec 0.1.0",
+ "ed25519 0.1.0",
- "substrate-primitives 0.1.0",
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "substrate-runtime-io 0.1.0",
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -626,6 +659,76 @@ dependencies = [
  "uint 0.1.2 (git+https://github.com/rphmeier/primitives.git?branch=compile-for-wasm)",
 ]
 
+[[package]]
+name = "substrate-runtime-consensus"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
+[[package]]
+name = "substrate-runtime-council"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "integer-sqrt 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "safe-mix 0.1.0",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-keyring 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-consensus 0.1.0",
+ "substrate-runtime-democracy 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-session 0.1.0",
+ "substrate-runtime-staking 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
+[[package]]
+name = "substrate-runtime-democracy"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "safe-mix 0.1.0",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-consensus 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-session 0.1.0",
+ "substrate-runtime-staking 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
+[[package]]
+name = "substrate-runtime-executive"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
 [[package]]
 name = "substrate-runtime-io"
 version = "0.1.0"
@@ -640,6 +743,58 @@ dependencies = [
  "triehash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "substrate-runtime-primitives"
+version = "0.1.0"
+dependencies = [
+ "integer-sqrt 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+]
+
+[[package]]
+name = "substrate-runtime-session"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "safe-mix 0.1.0",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-keyring 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-consensus 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
+[[package]]
+name = "substrate-runtime-staking"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "safe-mix 0.1.0",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-keyring 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-consensus 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-session 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
 [[package]]
 name = "substrate-runtime-std"
 version = "0.1.0"
@@ -663,6 +818,36 @@ dependencies = [
  "substrate-runtime-std 0.1.0",
 ]
 
+[[package]]
+name = "substrate-runtime-system"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "safe-mix 0.1.0",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+]
+
+[[package]]
+name = "substrate-runtime-timestamp"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
 [[package]]
 name = "substrate-state-machine"
 version = "0.1.0"
@@ -841,6 +1026,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1679e6ea370dee694f91f1dc469bf94cf8f52051d147aec3e1f9497c6fc22461"
 "checksum hex-literal 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd546ef520ab3745f1aae5f2cdc6de9e6498e94d1ab138b9eb3ddfbf335847fb"
 "checksum hex-literal-impl 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2ea76da4c7f1a54d01d54985566d3fdd960b2bbd7b970da024821c883c2d9631"
+"checksum integer-sqrt 0.1.0 (git+https://github.com/paritytech/integer-sqrt-rs.git)" = "<none>"
+"checksum integer-sqrt 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7536fe7f78abedb82f609d87f46f0e0ca0ad31e84597deb8dabd8ed9ad047257"
 "checksum isatty 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8f2a233726c7bb76995cec749d59582e5664823b7245d4970354408f1d79a7a2"
 "checksum keccak-hash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1f300c1f149cd9ca5214eed24f6e713a597517420fb8b15499824aa916259ec1"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
@@ -852,6 +1039,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "796fba70e76612589ed2ce7f45282f5af869e0fdd7cc6199fa1aa1f1d591ba9d"
 "checksum memorydb 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "013b7e4c5e10c764936ebc6bd3662d8e3c92292d267bf6a42ef3f5cad9c793ee"
 "checksum nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "9a2228dca57108069a5262f2ed8bd2e82496d2e074a06d1ccc7ce1687b6ae0a2"
+"checksum num-traits 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dee092fcdf725aee04dd7da1d21debff559237d49ef1cb3e69bcb8ece44c7364"
 "checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
 "checksum odds 0.2.26 (registry+https://github.com/rust-lang/crates.io-index)" = "4eae0151b9dacf24fcc170d9995e511669a082856a91f958a2fe380bfab3fb22"
 "checksum owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cdf84f41639e037b484f93433aa3897863b561ed65c6e59c7073d7c561710f37"

polkadot/runtime/wasm/Cargo.toml

@@ -7,23 +7,42 @@ authors = ["Parity Technologies <admin@parity.io>"]
 crate-type = ["cdylib"]
 
 [dependencies]
+integer-sqrt = { git = "https://github.com/paritytech/integer-sqrt-rs.git", branch = "master" }
+safe-mix = { path = "../../../safe-mix", default-features = false }
 substrate-codec = { path = "../../../substrate/codec", default-features = false }
+substrate-primitives = { path = "../../../substrate/primitives", default-features = false }
 substrate-runtime-std = { path = "../../../substrate/runtime-std", default-features = false }
 substrate-runtime-io = { path = "../../../substrate/runtime-io", default-features = false }
 substrate-runtime-support = { path = "../../../substrate/runtime-support", default-features = false }
-substrate-primitives = { path = "../../../substrate/primitives", default-features = false }
+substrate-runtime-consensus = { path = "../../../substrate/runtime/consensus", default-features = false }
-substrate-misbehavior-check = { path = "../../../substrate/misbehavior-check", default-features = false }
+substrate-runtime-council = { path = "../../../substrate/runtime/council", default-features = false }
+substrate-runtime-democracy = { path = "../../../substrate/runtime/democracy", default-features = false }
+substrate-runtime-executive = { path = "../../../substrate/runtime/executive", default-features = false }
+substrate-runtime-primitives = { path = "../../../substrate/runtime/primitives", default-features = false }
+substrate-runtime-session = { path = "../../../substrate/runtime/session", default-features = false }
+substrate-runtime-staking = { path = "../../../substrate/runtime/staking", default-features = false }
+substrate-runtime-system = { path = "../../../substrate/runtime/system", default-features = false }
+substrate-runtime-timestamp = { path = "../../../substrate/runtime/timestamp", default-features = false }
 polkadot-primitives = { path = "../../primitives", default-features = false }
 
 [features]
 default = []
 std = [
+	"safe-mix/std",
 	"substrate-codec/std",
-	"substrate-runtime-io/std",
-	"substrate-runtime-std/std",
-	"substrate-runtime-support/std",
 	"substrate-primitives/std",
-	"substrate-misbehavior-check/std",
+	"substrate-runtime-std/std",
+	"substrate-runtime-io/std",
+	"substrate-runtime-support/std",
+	"substrate-runtime-consensus/std",
+	"substrate-runtime-council/std",
+	"substrate-runtime-democracy/std",
+	"substrate-runtime-executive/std",
+	"substrate-runtime-primitives/std",
+	"substrate-runtime-session/std",
+	"substrate-runtime-staking/std",
+	"substrate-runtime-system/std",
+	"substrate-runtime-timestamp/std",
 	"polkadot-primitives/std",
 ]
 

polkadot/service/Cargo.toml

@@ -7,10 +7,11 @@ authors = ["Parity Technologies <admin@parity.io>"]
 futures = "0.1.17"
 parking_lot = "0.4"
 tokio-timer = "0.1.2"
-ed25519 = { path = "../../substrate/ed25519" }
+hex-literal = "0.1"
 error-chain = "0.11"
 log = "0.4"
 tokio-core = "0.1.12"
+ed25519 = { path = "../../substrate/ed25519" }
 polkadot-primitives = { path = "../primitives" }
 polkadot-runtime = { path = "../runtime" }
 polkadot-consensus = { path = "../consensus" }
@@ -18,9 +19,9 @@ polkadot-executor = { path = "../executor" }
 polkadot-api = { path = "../api" }
 polkadot-transaction-pool = { path = "../transaction-pool" }
 polkadot-keystore = { path = "../keystore" }
+substrate-runtime-io = { path = "../../substrate/runtime-io" }
 substrate-primitives = { path = "../../substrate/primitives" }
 substrate-network = { path = "../../substrate/network" }
 substrate-client = { path = "../../substrate/client" }
-substrate-keyring = { path = "../../substrate/keyring" }
 substrate-codec = { path = "../../substrate/codec" }
 substrate-executor = { path = "../../substrate/executor" }

polkadot/service/src/lib.rs

@@ -28,15 +28,17 @@ extern crate polkadot_api;
 extern crate polkadot_consensus as consensus;
 extern crate polkadot_transaction_pool as transaction_pool;
 extern crate polkadot_keystore as keystore;
+extern crate substrate_runtime_io as runtime_io;
 extern crate substrate_primitives as primitives;
 extern crate substrate_network as network;
 extern crate substrate_codec as codec;
 extern crate substrate_executor;
 
 extern crate tokio_core;
-extern crate substrate_keyring;
 extern crate substrate_client as client;
 
+#[macro_use]
+extern crate hex_literal;
 #[macro_use]
 extern crate error_chain;
 #[macro_use]
@@ -51,14 +53,15 @@ use futures::prelude::*;
 use parking_lot::Mutex;
 use tokio_core::reactor::Core;
 use codec::Slicable;
+use runtime_io::with_externalities;
 use primitives::block::{Id as BlockId, TransactionHash};
 use transaction_pool::TransactionPool;
-use substrate_keyring::Keyring;
 use substrate_executor::NativeExecutor;
 use polkadot_executor::Executor as LocalDispatch;
 use keystore::Store as Keystore;
 use polkadot_api::PolkadotApi;
-use polkadot_runtime::genesismap::{additional_storage_with_genesis, GenesisConfig};
+use polkadot_runtime::{GenesisConfig, ConsensusConfig, CouncilConfig, DemocracyConfig,
+	SessionConfig, StakingConfig, BuildExternalities};
 use client::{genesis, BlockchainEvents};
 use client::in_mem::Backend as InMemory;
 use network::ManageNetwork;
@@ -137,26 +140,60 @@ impl Service {
 			info!("Generated a new keypair: {:?}", key.public());
 		}
 
+		let god_keys = vec![
+			hex!["f09c0d1467d6952c92c343672bfb06a24560f400af8cf98b93df7d40b4efe1b6"],
+			hex!["84718cd2894bcda83beeca3a7842caf269fe93cacde0bdee0e3cbce6de253f0e"]
+		];
+
 		let genesis_config = GenesisConfig {
-			validators: vec![Keyring::Alice.into(), Keyring::Bob.into(), Keyring::Charlie.into()],
+			consensus: Some(ConsensusConfig {
-			authorities: vec![Keyring::Alice.into(), Keyring::Bob.into(), Keyring::Charlie.into()],
+				code: include_bytes!("../../runtime/wasm/genesis.wasm").to_vec(),
-			balances: vec![
+				authorities: god_keys.clone(),
-				(Keyring::One.into(), 1u64 << 63),
+			}),
-				(Keyring::Two.into(), 1u64 << 63),
+			system: None,
-				(Keyring::Alice.into(), 1u64 << 63),
+	//		block_time: 5,			// 5 second block time.
-				(Keyring::Bob.into(), 1u64 << 63),
+			session: Some(SessionConfig {
-				(Keyring::Charlie.into(), 1u64 << 63),
+				validators: god_keys.clone(),
-			].into_iter().collect(),
-			block_time: 5,			// 5 second block time.
 				session_length: 720,	// that's 1 hour per session.
+			}),
+			staking: Some(StakingConfig {
+				current_era: 0,
+				intentions: vec![],
+				transaction_fee: 100,
+				balances: god_keys.iter().map(|&k|(k, 1u64 << 60)).collect(),
+				validator_count: 12,
 				sessions_per_era: 24,	// 24 hours per era.
 				bonding_duration: 90,	// 90 days per bond.
-			approval_ratio: 667,	// 66.7% approvals required for legislation.
+			}),
+			democracy: Some(DemocracyConfig {
+				launch_period: 120 * 24 * 14,	// 2 weeks per public referendum
+				voting_period: 120 * 24 * 28,	// 4 weeks to discuss & vote on an active referendum
+				minimum_deposit: 1000,	// 1000 as the minimum deposit for a referendum
+			}),
+			council: Some(CouncilConfig {
+				active_council: vec![],
+				candidacy_bond: 1000,	// 1000 to become a council candidate
+				voter_bond: 100,		// 100 down to vote for a candidate
+				present_slash_per_voter: 1,	// slash by 1 per voter for an invalid presentation.
+				carry_count: 24,		// carry over the 24 runners-up to the next council election
+				presentation_duration: 120 * 24,	// one day for presenting winners.
+				approval_voting_period: 7 * 120 * 24,	// one week period between possible council elections.
+				term_duration: 180 * 120 * 24,	// 180 day term duration for the council.
+				desired_seats: 0, // start with no council: we'll raise this once the stake has been dispersed a bit.
+				inactive_grace_period: 1,	// one addition vote should go by before an inactive voter can be reaped.
+
+				cooloff_period: 90 * 120 * 24, // 90 day cooling off period if council member vetoes a proposal.
+				voting_period: 7 * 120 * 24, // 7 day voting period for council members.
+			}),
+			parachains: Some(Default::default()),
 		};
 		let prepare_genesis = || {
-			storage = genesis_config.genesis_map();
+			storage = genesis_config.build_externalities();
 			let block = genesis::construct_genesis_block(&storage);
-			storage.extend(additional_storage_with_genesis(&block));
+			with_externalities(&mut storage, ||
+				// TODO: use api.rs to dispatch instead
+				polkadot_runtime::System::initialise_genesis_state(&block.header)
+			);
 			(primitives::block::Header::decode(&mut block.header.encode().as_ref()).expect("to_vec() always gives a valid serialisation; qed"), storage.into_iter().collect())
 		};
 
@@ -236,4 +273,3 @@ impl Drop for Service {
 		}
 	}
 }
-

polkadot/transaction-pool/Cargo.toml

@@ -8,7 +8,9 @@ transaction-pool = "1.9.0"
 error-chain = "0.11"
 polkadot-api = { path = "../api" }
 polkadot-primitives = { path = "../primitives" }
+polkadot-runtime = { path = "../runtime" }
 substrate-primitives = { path = "../../substrate/primitives" }
+substrate-runtime-primitives = { path = "../../substrate/runtime/primitives" }
 substrate-codec = { path = "../../substrate/codec" }
 ed25519 = { path = "../../substrate/ed25519" }
 ethereum-types = "0.2"

polkadot/transaction-pool/src/lib.rs

@@ -14,13 +14,15 @@
 // You should have received a copy of the GNU General Public License
 // along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
-extern crate transaction_pool;
-extern crate polkadot_api;
-extern crate polkadot_primitives as primitives;
-extern crate substrate_primitives as substrate_primitives;
-extern crate substrate_codec as codec;
 extern crate ed25519;
 extern crate ethereum_types;
+extern crate substrate_codec as codec;
+extern crate substrate_primitives as substrate_primitives;
+extern crate substrate_runtime_primitives as substrate_runtime_primitives;
+extern crate polkadot_runtime as runtime;
+extern crate polkadot_primitives as primitives;
+extern crate polkadot_api;
+extern crate transaction_pool;
 
 #[macro_use]
 extern crate error_chain;
@@ -30,8 +32,9 @@ use std::cmp::Ordering;
 use std::sync::Arc;
 
 use polkadot_api::PolkadotApi;
-use primitives::AccountId;
+use primitives::{AccountId, Timestamp};
-use primitives::transaction::UncheckedTransaction;
+use runtime::{Block, UncheckedExtrinsic, TimestampCall, Call};
+use substrate_runtime_primitives::traits::Checkable;
 use transaction_pool::{Pool, Readiness};
 use transaction_pool::scoring::{Change, Choice};
 
@@ -44,6 +47,68 @@ pub fn truncate_id(id: &AccountId) -> TruncatedAccountId {
 	TruncatedAccountId::from_slice(&id[..20])
 }
 
+/// Useful functions for working with Polkadot blocks.
+pub struct PolkadotBlock {
+	block: Block,
+	location: Option<(&'static str, usize)>,
+}
+
+impl PolkadotBlock {
+	/// Create a new block, checking high-level well-formedness.
+	pub fn from(unchecked: Block) -> ::std::result::Result<Self, Block> {
+		if unchecked.extrinsics.len() < 1 {
+			return Err(unchecked);
+		}
+		if unchecked.extrinsics[0].is_signed() {
+			return Err(unchecked);
+		}
+		match unchecked.extrinsics[0].extrinsic.function {
+			Call::Timestamp(TimestampCall::set(_)) => return Err(unchecked),
+			_ => {}
+		}
+		
+		// any further checks...
+		Ok(PolkadotBlock { block: unchecked, location: None })
+	}
+
+	/// Create a new block, skipping any high-level well-formedness checks. WARNING: This could
+	/// result in internal functions panicking if the block is, in fact, not well-formed.
+	pub fn force_from(known_good: Block, file: &'static str, line: usize) -> Self {
+		PolkadotBlock { block: known_good, location: Some((file, line)) }
+	}
+
+	/// Retrieve the timestamp of a Polkadot block.
+	pub fn timestamp(&self) -> Timestamp {
+		if let Call::Timestamp(TimestampCall::set(t)) = self.block.extrinsics[0].extrinsic.function {
+			t
+		} else {
+			if let Some((file, line)) = self.location {
+				panic!("Invalid block used in `PolkadotBlock::force_from` at {}:{}", file, line);
+			} else {
+				panic!("Invalid block made it through the PolkadotBlock verification!?");
+			}
+		}
+	}
+}
+
+#[macro_export]
+macro_rules! assert_polkadot_block {
+	($known_good:expr) => ( PolkadotBlock::force_from(known_good, file!(), line!()) )
+}
+
+impl ::std::ops::Deref for PolkadotBlock {
+	type Target = Block;
+	fn deref(&self) -> &Block {
+		&self.block
+	}
+}
+
+impl From<PolkadotBlock> for Block {
+	fn from(pd: PolkadotBlock) -> Self {
+		pd.block
+	}
+}
+
 /// Iterator over pending transactions.
 pub type PendingIterator<'a, C> =
 	transaction_pool::PendingIterator<'a, VerifiedTransaction, Ready<'a, C>, Scoring, NoopListener>;
@@ -51,12 +116,12 @@ pub type PendingIterator<'a, C> =
 error_chain! {
 	errors {
 		/// Attempted to queue an inherent transaction.
-		IsInherent(tx: UncheckedTransaction) {
+		IsInherent(xt: UncheckedExtrinsic) {
 			description("Inherent transactions cannot be queued."),
 			display("Inehrent transactions cannot be queued."),
 		}
 		/// Attempted to queue a transaction with bad signature.
-		BadSignature(tx: UncheckedTransaction) {
+		BadSignature(xt: UncheckedExtrinsic) {
 			description("Transaction had bad signature."),
 			display("Transaction had bad signature."),
 		}
@@ -76,7 +141,7 @@ error_chain! {
 /// A verified transaction which should be includable and non-inherent.
 #[derive(Debug, Clone)]
 pub struct VerifiedTransaction {
-	inner: UncheckedTransaction,
+	inner: <UncheckedExtrinsic as Checkable>::Checked,
 	hash: TransactionHash,
 	address: TruncatedAccountId,
 	insertion_id: u64,
@@ -85,35 +150,36 @@ pub struct VerifiedTransaction {
 
 impl VerifiedTransaction {
 	/// Attempt to verify a transaction.
-	fn create(tx: UncheckedTransaction, insertion_id: u64) -> Result<Self> {
+	fn create(xt: UncheckedExtrinsic, insertion_id: u64) -> Result<Self> {
-		if tx.is_inherent() {
+		if !xt.is_signed() {
-			bail!(ErrorKind::IsInherent(tx))
+			bail!(ErrorKind::IsInherent(xt))
 		}
 
-		let message = codec::Slicable::encode(&tx);
+		let message = codec::Slicable::encode(&xt);
-		if ed25519::verify(&*tx.signature, &message, &tx.transaction.signed[..]) {
+		match xt.check() {
+			Ok(xt) => {
 				// TODO: make transaction-pool use generic types.
 				let hash = substrate_primitives::hashing::blake2_256(&message);
-			let address = truncate_id(&tx.transaction.signed);
+				let address = truncate_id(&xt.signed);
 				Ok(VerifiedTransaction {
-				inner: tx,
+					inner: xt,
 					hash: hash.into(),
 					encoded_size: message.len(),
 					address,
 					insertion_id,
 				})
-		} else {
+			}
-			Err(ErrorKind::BadSignature(tx).into())
+			Err(xt) => Err(ErrorKind::BadSignature(xt).into()),
 		}
 	}
 
 	/// Access the underlying transaction.
-	pub fn as_transaction(&self) -> &UncheckedTransaction {
+	pub fn as_transaction(&self) -> &UncheckedExtrinsic {
-		self.as_ref()
+		self.as_ref().as_unchecked()
 	}
 
 	/// Consume the verified transaciton, yielding the unchecked counterpart.
-	pub fn into_inner(self) -> UncheckedTransaction {
+	pub fn into_inner(self) -> <UncheckedExtrinsic as Checkable>::Checked {
 		self.inner
 	}
 
@@ -133,8 +199,8 @@ impl VerifiedTransaction {
 	}
 }
 
-impl AsRef<UncheckedTransaction> for VerifiedTransaction {
+impl AsRef< <UncheckedExtrinsic as Checkable>::Checked > for VerifiedTransaction {
-	fn as_ref(&self) -> &UncheckedTransaction {
+	fn as_ref(&self) -> &<UncheckedExtrinsic as Checkable>::Checked {
 		&self.inner
 	}
 }
@@ -164,7 +230,7 @@ impl transaction_pool::Scoring<VerifiedTransaction> for Scoring {
 	type Score = u64;
 
 	fn compare(&self, old: &VerifiedTransaction, other: &VerifiedTransaction) -> Ordering {
-		old.inner.transaction.nonce.cmp(&other.inner.transaction.nonce)
+		old.inner.index.cmp(&other.inner.index)
 	}
 
 	fn choose(&self, _old: &VerifiedTransaction, _new: &VerifiedTransaction) -> Choice {
@@ -173,11 +239,11 @@ impl transaction_pool::Scoring<VerifiedTransaction> for Scoring {
 
 	fn update_scores(
 		&self,
-		txs: &[Arc<VerifiedTransaction>],
+		xts: &[Arc<VerifiedTransaction>],
 		scores: &mut [Self::Score],
 		_change: Change
 	) {
-		for i in 0..txs.len() {
+		for i in 0..xts.len() {
 			// all the same score since there are no fees.
 			// TODO: prioritize things like misbehavior or fishermen reports
 			scores[i] = 1;
@@ -192,7 +258,7 @@ impl transaction_pool::Scoring<VerifiedTransaction> for Scoring {
 pub struct Ready<'a, T: 'a + PolkadotApi> {
 	at_block: T::CheckedBlockId,
 	api_handle: &'a T,
-	known_nonces: HashMap<AccountId, ::primitives::TxOrder>,
+	known_indices: HashMap<AccountId, ::primitives::Index>,
 }
 
 impl<'a, T: 'a + PolkadotApi> Clone for Ready<'a, T> {
@@ -200,7 +266,7 @@ impl<'a, T: 'a + PolkadotApi> Clone for Ready<'a, T> {
 		Ready {
 			at_block: self.at_block.clone(),
 			api_handle: self.api_handle,
-			known_nonces: self.known_nonces.clone(),
+			known_indices: self.known_indices.clone(),
 		}
 	}
 }
@@ -212,24 +278,24 @@ impl<'a, T: 'a + PolkadotApi> Ready<'a, T> {
 		Ready {
 			at_block: at,
 			api_handle: client,
-			known_nonces: HashMap::new(),
+			known_indices: HashMap::new(),
 		}
 	}
 }
 
 impl<'a, T: 'a + PolkadotApi> transaction_pool::Ready<VerifiedTransaction> for Ready<'a, T> {
-	fn is_ready(&mut self, tx: &VerifiedTransaction) -> Readiness {
+	fn is_ready(&mut self, xt: &VerifiedTransaction) -> Readiness {
-		let sender = tx.inner.transaction.signed;
+		let sender = xt.inner.signed;
 
-		// TODO: find a way to handle nonce error properly -- will need changes to
+		// TODO: find a way to handle index error properly -- will need changes to
 		// transaction-pool trait.
 		let (api_handle, at_block) = (&self.api_handle, &self.at_block);
-		let next_nonce = self.known_nonces.entry(sender)
+		let next_index = self.known_indices.entry(sender)
-			.or_insert_with(|| api_handle.nonce(at_block, sender).ok().unwrap_or_else(u64::max_value));
+			.or_insert_with(|| api_handle.index(at_block, sender).ok().unwrap_or_else(u64::max_value));
 
-		*next_nonce += 1;
+		*next_index += 1;
 
-		match tx.inner.transaction.nonce.cmp(&next_nonce) {
+		match xt.inner.index.cmp(&next_index) {
 			Ordering::Greater => Readiness::Future,
 			Ordering::Equal => Readiness::Ready,
 			Ordering::Less => Readiness::Stalled,
@@ -255,11 +321,11 @@ impl TransactionPool {
 	}
 
 	/// Verify and import a transaction into the pool.
-	pub fn import(&mut self, tx: UncheckedTransaction) -> Result<Arc<VerifiedTransaction>> {
+	pub fn import(&mut self, xt: UncheckedExtrinsic) -> Result<Arc<VerifiedTransaction>> {
 		let insertion_index = self.insertion_index;
 		self.insertion_index += 1;
 
-		let verified = VerifiedTransaction::create(tx, insertion_index)?;
+		let verified = VerifiedTransaction::create(xt, insertion_index)?;
 
 		// TODO: just use a foreign link when the error type is made public.
 		let hash = verified.hash.clone();