Fixes and improvements for PoC-1 Testnet (#143)

* Fix initialisations and add a test.

* Fix test.

* Fix overflow bug.

* Minor refactoring and fixes.

* Fix vote threshold.

* Add note.

* Fixes for latest rust and the readme.

* Better readme.

* An extra validator for PoC-1

* Update README.

* PoC-1 bootnodes.

* don't return async::notready for messages without scheduling wakeup

* Fix endowed account

* give polkadot control over round proposer based on random seed

* address grumbles.

polkadot/api/src/lib.rs

@@ -31,9 +31,6 @@ extern crate substrate_state_machine as state_machine;
 #[macro_use]
 extern crate error_chain;
 
-#[macro_use]
-extern crate log;
-
 #[cfg(test)]
 extern crate substrate_keyring as keyring;
 
@@ -42,7 +39,7 @@ use client::Client;
 use polkadot_executor::Executor as LocalDispatch;
 use substrate_executor::{NativeExecutionDispatch, NativeExecutor};
 use state_machine::OverlayedChanges;
-use primitives::{AccountId, BlockId, Index, SessionKey, Timestamp};
+use primitives::{AccountId, BlockId, Hash, Index, SessionKey, Timestamp};
 use primitives::parachain::DutyRoster;
 use runtime::{Block, Header, UncheckedExtrinsic, Extrinsic, Call, TimestampCall};
 
@@ -126,6 +123,9 @@ pub trait PolkadotApi {
 	/// Get validators at a given block.
 	fn validators(&self, at: &Self::CheckedBlockId) -> Result<Vec<AccountId>>;
 
+	/// Get the value of the randomness beacon at a given block.
+	fn random_seed(&self, at: &Self::CheckedBlockId) -> Result<Hash>;
+
 	/// Get the authority duty roster at a block.
 	fn duty_roster(&self, at: &Self::CheckedBlockId) -> Result<DutyRoster>;
 
@@ -191,6 +191,10 @@ impl<B: Backend> PolkadotApi for Client<B, NativeExecutor<LocalDispatch>>
 		with_runtime!(self, at, ::runtime::Session::validators)
 	}
 
+	fn random_seed(&self, at: &CheckedId) -> Result<Hash> {
+		with_runtime!(self, at, ::runtime::System::random_seed)
+	}
+
 	fn duty_roster(&self, at: &CheckedId) -> Result<DutyRoster> {
 		// duty roster can only be queried at the start of a block,
 		// so we create a dummy.

polkadot/cli/src/cli.yml

@@ -56,6 +56,6 @@ args:
   - chain:
       long: chain
       value_name: CHAIN_SPEC
-      help: Specify the chain specification (one of dev or poc-1)
+      help: Specify the chain specification (one of dev, local or poc-1)
       takes_value: true
 subcommands:

polkadot/cli/src/lib.rs

@@ -126,13 +126,15 @@ pub fn run<I, T>(args: I) -> error::Result<()> where
 	}
 
 	match matches.value_of("chain") {
-		Some("poc-1") => config.chain_spec = ChainSpec::PoC1Testnet,
 		Some("dev") => config.chain_spec = ChainSpec::Development,
+		Some("local") => config.chain_spec = ChainSpec::LocalTestnet,
+		Some("poc-1") => config.chain_spec = ChainSpec::PoC1Testnet,
 		None => (),
 		Some(unknown) => panic!("Invalid chain name: {}", unknown),
 	}
 	info!("Chain specification: {}", match config.chain_spec {
-		ChainSpec::Development => "Local Development",
+		ChainSpec::Development => "Development",
+		ChainSpec::LocalTestnet => "Local Testnet",
 		ChainSpec::PoC1Testnet => "PoC-1 Testnet",
 	});
 

polkadot/consensus/src/lib.rs

@@ -495,6 +495,7 @@ impl<C: PolkadotApi, N: Network> bft::ProposerFactory for ProposerFactory<C, N>
 
 		let checked_id = self.client.check_id(BlockId::Hash(parent_hash))?;
 		let duty_roster = self.client.duty_roster(&checked_id)?;
+		let random_seed = self.client.random_seed(&checked_id)?;
 
 		let group_info = make_group_info(duty_roster, authorities)?;
 		let table = Arc::new(SharedTable::new(group_info, sign_with.clone(), parent_hash));
@@ -510,6 +511,7 @@ impl<C: PolkadotApi, N: Network> bft::ProposerFactory for ProposerFactory<C, N>
 			parent_hash,
 			parent_number: parent_header.number,
 			parent_id: checked_id,
+			random_seed,
 			local_key: sign_with,
 			client: self.client.clone(),
 			transaction_pool: self.transaction_pool.clone(),
@@ -533,6 +535,7 @@ pub struct Proposer<C: PolkadotApi, R> {
 	parent_hash: HeaderHash,
 	parent_number: BlockNumber,
 	parent_id: C::CheckedBlockId,
+	random_seed: Hash,
 	client: Arc<C>,
 	local_key: Arc<ed25519::Pair>,
 	transaction_pool: Arc<Mutex<TransactionPool>>,
@@ -561,6 +564,7 @@ impl<C: PolkadotApi, R: TableRouter> bft::Proposer for Proposer<C, R> {
 			let mut pool = self.transaction_pool.lock();
 			let mut unqueue_invalid = Vec::new();
 			let mut pending_size = 0;
+			pool.cull(None, readiness_evaluator.clone());
 			for pending in pool.pending(readiness_evaluator.clone()) {
 				// skip and cull transactions which are too large.
 				if pending.encoded_size() > MAX_TRANSACTIONS_SIZE {
@@ -624,6 +628,16 @@ impl<C: PolkadotApi, R: TableRouter> bft::Proposer for Proposer<C, R> {
 		Box::new(self.delay.clone().map_err(Error::from).and_then(move |_| evaluated))
 	}
 
+	fn round_proposer(&self, round_number: usize, authorities: &[AuthorityId]) -> AuthorityId {
+		use primitives::uint::U256;
+
+		let len: U256 = authorities.len().into();
+		let offset = U256::from_big_endian(&self.random_seed.0) % len;
+		let offset = offset.low_u64() as usize + round_number;
+
+		authorities[offset % authorities.len()].clone()
+	}
+
 	fn import_misbehavior(&self, misbehavior: Vec<(AuthorityId, bft::Misbehavior)>) {
 		use bft::generic::Misbehavior as GenericMisbehavior;
 		use primitives::bft::{MisbehaviorKind, MisbehaviorReport};
@@ -634,6 +648,7 @@ impl<C: PolkadotApi, R: TableRouter> bft::Proposer for Proposer<C, R> {
 		let mut next_index = {
 			let readiness_evaluator = Ready::create(self.parent_id.clone(), &*self.client);
 
+			pool.cull(None, readiness_evaluator.clone());
 			let cur_index = pool.pending(readiness_evaluator)
 				.filter(|tx| tx.as_ref().as_ref().signed == local_id)
 				.last()

polkadot/runtime/src/lib.rs

@@ -27,6 +27,10 @@ extern crate substrate_runtime_support as runtime_support;
 #[macro_use]
 extern crate substrate_runtime_primitives as runtime_primitives;
 
+#[cfg(feature = "std")]
+#[macro_use]
+extern crate hex_literal;
+
 #[cfg(test)]
 extern crate substrate_serializer;
 
@@ -298,4 +302,24 @@ mod tests {
 		println!("{}", HexDisplay::from(&v));
 		assert_eq!(UncheckedExtrinsic::decode(&mut &v[..]).unwrap(), tx);
 	}
+
+	#[test]
+	fn serialize_checked() {
+		let xt = Extrinsic {
+			signed: hex!["0d71d1a9cad6f2ab773435a7dec1bac019994d05d1dd5eb3108211dcf25c9d1e"],
+			index: 0u64,
+			function: Call::CouncilVoting(council::voting::Call::propose(Box::new(
+				PrivCall::Consensus(consensus::PrivCall::set_code(
+					vec![]
+				))
+			))),
+		};
+		let v = Slicable::encode(&xt);
+
+		let data = hex!["e00000000d71d1a9cad6f2ab773435a7dec1bac019994d05d1dd5eb3108211dcf25c9d1e000000000000000007000000000000006369D39D892B7B87A6769F90E14C618C2B84EBB293E2CC46640136E112C078C75619AC2E0815F2511568736623C055156C8FC427CE2AEE4AE2838F86EFE80208"];
+		let uxt: UncheckedExtrinsic = Slicable::decode(&mut &data[..]).unwrap();
+		assert_eq!(uxt.extrinsic, xt);
+
+		assert_eq!(Extrinsic::decode(&mut &v[..]).unwrap(), xt);
+	}
 }

polkadot/service/src/config.rs

@@ -23,8 +23,10 @@ pub use network::NetworkConfiguration;
 /// The chain specification (this should eventually be replaced by a more general JSON-based chain
 /// specification).
 pub enum ChainSpec {
-	/// Whatever the current runtime is, with simple Alice/Bob auths.
+	/// Whatever the current runtime is, with just Alice as an auth.
 	Development,
+	/// Whatever the current runtime is, with simple Alice/Bob auths.
+	LocalTestnet,
 	/// The PoC-1 testnet.
 	PoC1Testnet,
 }

polkadot/service/src/lib.rs

@@ -56,7 +56,7 @@ use parking_lot::Mutex;
 use tokio_core::reactor::Core;
 use codec::Slicable;
 use primitives::block::{Id as BlockId, Extrinsic, ExtrinsicHash, HeaderHash};
-use primitives::hashing;
+use primitives::{AuthorityId, hashing};
 use transaction_pool::TransactionPool;
 use substrate_executor::NativeExecutor;
 use polkadot_executor::Executor as LocalDispatch;
@@ -98,8 +98,9 @@ impl network::TransactionPool for TransactionPoolAdapter {
 			}
 		};
 		let id = self.client.check_id(BlockId::Hash(best_block)).expect("Best block is always valid; qed.");
-		let ready = transaction_pool::Ready::create(id, &*self.client);
-		self.pool.lock().pending(ready).map(|t| {
+		let mut pool = self.pool.lock();
+		pool.cull(None, transaction_pool::Ready::create(id, &*self.client));
+		pool.pending(transaction_pool::Ready::create(id, &*self.client)).map(|t| {
 			let hash = ::primitives::Hash::from(&t.hash()[..]);
 			let tx = codec::Slicable::encode(t.as_transaction());
 			(hash, tx)
@@ -135,9 +136,10 @@ fn poc_1_testnet_config() -> ChainConfig {
 		hex!["82c39b31a2b79a90f8e66e7a77fdb85a4ed5517f2ae39f6a80565e8ecae85cf5"].into(),
 		hex!["4de37a07567ebcbf8c64568428a835269a566723687058e017b6d69db00a77e7"].into(),
 		hex!["063d7787ebca768b7445dfebe7d62cbb1625ff4dba288ea34488da266dd6dca5"].into(),
+		hex!["8101764f45778d4980dadaceee6e8af2517d3ab91ac9bec9cd1714fa5994081c"].into(),
 	];
 	let endowed_accounts = vec![
-		hex!["24d132eb1a4cbf8e46de22652019f1e07fadd5037a6a057c75dbbfd4641ba85d"].into(),
+		hex!["f295940fa750df68a686fcf4abd4111c8a9c5a5a5a83c4c8639c451a94a7adfd"].into(),
 	];
 	let genesis_config = GenesisConfig {
 		consensus: Some(ConsensusConfig {
@@ -151,7 +153,7 @@ fn poc_1_testnet_config() -> ChainConfig {
 		}),
 		staking: Some(StakingConfig {
 			current_era: 0,
-			intentions: vec![],
+			intentions: initial_authorities.clone(),
 			transaction_fee: 100,
 			balances: endowed_accounts.iter().map(|&k|(k, 1u64 << 60)).collect(),
 			validator_count: 12,
@@ -180,15 +182,15 @@ fn poc_1_testnet_config() -> ChainConfig {
 		}),
 		parachains: Some(Default::default()),
 	};
-	let boot_nodes = Vec::new();
+	let boot_nodes = vec![
+		"enode://ce29df27adace5c2a08efc2fd58ce1a2587f2157061e7788861dfef3c0cbf275af8476f93b5f10ecbcd7d6c2fdac109b581502dd7a67a361f9efa7593308bedd@104.211.54.233:30333".into(),
+		"enode://db86cdf0d653c774cb9f357ba99ee035b2dc3ae4313e93a79a38d9e0089dc5eacdf01a5cab7d41b6a44c83bc78599b76318bc59501f9d62cc6b08cfb74777032@104.211.48.51:30333".into(),
+		"enode://a9458a01ccc278eab98ee329f529ca3bcb88e13e4e0cda7318a63c6ae704b74eca7c5a05cff106d531cdc41facfbe63540de5f733108fbbbb7d0235131ca39a0@104.211.48.247:30333".into(),
+	];
 	ChainConfig { genesis_config, boot_nodes }
 }
 
-fn local_testnet_config() -> ChainConfig {
-	let initial_authorities = vec![
-		ed25519::Pair::from_seed(b"Alice                           ").public().into(),
-		ed25519::Pair::from_seed(b"Bob                             ").public().into(),
-	];
+fn testnet_config(initial_authorities: Vec<AuthorityId>) -> ChainConfig {
 	let endowed_accounts = vec![
 		ed25519::Pair::from_seed(b"Alice                           ").public().into(),
 		ed25519::Pair::from_seed(b"Bob                             ").public().into(),
@@ -222,15 +224,15 @@ fn local_testnet_config() -> ChainConfig {
 			minimum_deposit: 10,
 		}),
 		council: Some(CouncilConfig {
-			active_council: vec![],
+			active_council: endowed_accounts.iter().filter(|a| initial_authorities.iter().find(|b| a == b).is_none()).map(|a| (a.clone(), 1000000)).collect(),
 			candidacy_bond: 10,
 			voter_bond: 2,
 			present_slash_per_voter: 1,
 			carry_count: 4,
 			presentation_duration: 10,
 			approval_voting_period: 20,
-			term_duration: 40,
-			desired_seats: 0,
+			term_duration: 1000000,
+			desired_seats: (endowed_accounts.len() - initial_authorities.len()) as u32,
 			inactive_grace_period: 1,
 
 			cooloff_period: 75,
@@ -242,6 +244,19 @@ fn local_testnet_config() -> ChainConfig {
 	ChainConfig { genesis_config, boot_nodes }
 }
 
+fn development_config() -> ChainConfig {
+	testnet_config(vec![
+		ed25519::Pair::from_seed(b"Alice                           ").public().into(),
+	])
+}
+
+fn local_testnet_config() -> ChainConfig {
+	testnet_config(vec![
+		ed25519::Pair::from_seed(b"Alice                           ").public().into(),
+		ed25519::Pair::from_seed(b"Bob                             ").public().into(),
+	])
+}
+
 impl Service {
 	/// Creates and register protocol with the network service
 	pub fn new(mut config: Configuration) -> Result<Service, error::Error> {
@@ -264,7 +279,8 @@ impl Service {
 		}
 
 		let ChainConfig { genesis_config, boot_nodes } = match config.chain_spec {
-			ChainSpec::Development => local_testnet_config(),
+			ChainSpec::Development => development_config(),
+			ChainSpec::LocalTestnet => local_testnet_config(),
 			ChainSpec::PoC1Testnet => poc_1_testnet_config(),
 		};
 		config.network.boot_nodes.extend(boot_nodes);