Backport all v0.6 changes to master...

Cargo.toml

@@ -4,7 +4,7 @@ path = "src/main.rs"
 
 [package]
 name = "polkadot"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 edition = "2018"

availability-store/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "polkadot-availability-store"
 description = "Persistent database for parachain data"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 

cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-cli"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot node implementation in Rust."
 edition = "2018"

collator/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-collator"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Collator node implementation"
 edition = "2018"

erasure-coding/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-erasure-coding"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 

executor/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-executor"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot node implementation in Rust."
 edition = "2018"

network/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-network"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot-specific networking protocol"
 edition = "2018"

parachain/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-parachain"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Types and utilities for creating and working with parachains"
 edition = "2018"

primitives/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-primitives"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 

rpc/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-rpc"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 

runtime/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-runtime"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 build = "build.rs"
@@ -39,7 +39,7 @@ democracy = { package = "srml-democracy", git = "https://github.com/paritytech/s
 elections-phragmen = { package = "srml-elections-phragmen", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 executive = { package = "srml-executive", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 finality-tracker = { package = "srml-finality-tracker", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
-grandpa = { package = "srml-grandpa", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
+grandpa = { package = "srml-grandpa", git = "https://github.com/paritytech/substrate", default-features = false, features = ["migrate-authorities"], branch = "polkadot-master" }
 im-online = { package = "srml-im-online", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 indices = { package = "srml-indices", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 membership = { package = "srml-membership", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }

runtime/src/crowdfund.rs

@@ -67,8 +67,9 @@
 //! funds ultimately end up in module's fund sub-account.
 
 use srml_support::{
-	decl_module, decl_storage, decl_event, storage::child, ensure,
-	traits::{Currency, Get, OnUnbalanced, WithdrawReason, ExistenceRequirement}
+	decl_module, decl_storage, decl_event, storage::child, ensure, traits::{
+		Currency, Get, OnUnbalanced, WithdrawReason, ExistenceRequirement::AllowDeath
+	}
 };
 use system::ensure_signed;
 use sr_primitives::{ModuleId, weights::SimpleDispatchInfo,
@@ -204,12 +205,8 @@ decl_module! {
 			ensure!(end > <system::Module<T>>::block_number(), "end must be in the future");
 
 			let deposit = T::SubmissionDeposit::get();
-			let imb = T::Currency::withdraw(
-				&owner,
-				deposit,
-				WithdrawReason::Transfer.into(),
-				ExistenceRequirement::AllowDeath,
-			)?;
+			let transfer = WithdrawReason::Transfer.into();
+			let imb = T::Currency::withdraw(&owner, deposit, transfer, AllowDeath)?;
 
 			let index = FundCount::get();
 			let next_index = index.checked_add(1).ok_or("overflow when adding fund")?;
@@ -250,7 +247,7 @@ decl_module! {
 			let now = <system::Module<T>>::block_number();
 			ensure!(fund.end > now, "contribution period ended");
 
-			T::Currency::transfer(&who, &Self::fund_account_id(index), value)?;
+			T::Currency::transfer(&who, &Self::fund_account_id(index), value, AllowDeath)?;
 
 			let balance = Self::contribution_get(index, &who);
 			let balance = balance.saturating_add(value);
@@ -375,12 +372,10 @@ decl_module! {
 			ensure!(balance > Zero::zero(), "no contributions stored");
 
 			// Avoid using transfer to ensure we don't pay any fees.
-			let _ = T::Currency::resolve_into_existing(&who, T::Currency::withdraw(
-				&Self::fund_account_id(index),
-				balance,
-				WithdrawReason::Transfer.into(),
-				ExistenceRequirement::AllowDeath
-			)?);
+			let fund_account = &Self::fund_account_id(index);
+			let transfer = WithdrawReason::Transfer.into();
+			let imbalance = T::Currency::withdraw(fund_account, balance, transfer, AllowDeath)?;
+			let _ = T::Currency::resolve_into_existing(&who, imbalance);
 
 			Self::contribution_kill(index, &who);
 			fund.raised = fund.raised.saturating_sub(balance);
@@ -404,19 +399,12 @@ decl_module! {
 			let account = Self::fund_account_id(index);
 
 			// Avoid using transfer to ensure we don't pay any fees.
-			let _ = T::Currency::resolve_into_existing(&fund.owner, T::Currency::withdraw(
-				&account,
-				fund.deposit,
-				WithdrawReason::Transfer.into(),
-				ExistenceRequirement::AllowDeath
-			)?);
-
-			T::OrphanedFunds::on_unbalanced(T::Currency::withdraw(
-				&account,
-				fund.raised,
-				WithdrawReason::Transfer.into(),
-				ExistenceRequirement::AllowDeath
-			)?);
+			let transfer = WithdrawReason::Transfer.into();
+			let imbalance = T::Currency::withdraw(&account, fund.deposit, transfer, AllowDeath)?;
+			let _ = T::Currency::resolve_into_existing(&fund.owner, imbalance);
+
+			let imbalance = T::Currency::withdraw(&account, fund.raised, transfer, AllowDeath)?;
+			T::OrphanedFunds::on_unbalanced(imbalance);
 
 			Self::crowdfund_kill(index);
 			<Funds<T>>::remove(index);

runtime/src/lib.rs

@@ -99,7 +99,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("kusama"),
 	impl_name: create_runtime_str!("parity-kusama"),
 	authoring_version: 1,
-	spec_version: 1012,
+	spec_version: 1017,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 };
@@ -129,12 +129,9 @@ impl SignedExtension for OnlyStakingAndClaims {
 		-> TransactionValidity
 	{
 		match call {
-			Call::Staking(_) | Call::Claims(_) | Call::Sudo(_) | Call::Session(_)
-				| Call::ElectionsPhragmen(_) | Call::TechnicalMembership(_)
-				| Call::TechnicalCommittee(_) | Call::Nicks(_)
-			=>
-				Ok(Default::default()),
-			_ => Err(InvalidTransaction::Custom(ValidityError::NoPermission.into()).into()),
+			Call::Balances(_) | Call::Slots(_) | Call::Registrar(_) | Call::Democracy(_)
+				=> Err(InvalidTransaction::Custom(ValidityError::NoPermission.into()).into()),
+			_ => Ok(Default::default()),
 		}
 	}
 }
@@ -306,7 +303,7 @@ parameter_types! {
 }
 
 impl staking::Trait for Runtime {
-	type OnRewardMinted = Treasury;
+	type RewardRemainder = Treasury;
 	type CurrencyToVote = CurrencyToVoteHandler;
 	type Event = Event;
 	type Currency = Balances;
@@ -323,7 +320,8 @@ parameter_types! {
 	// KUSAMA: These values are 1/4 of what we expect for the mainnet.
 	pub const LaunchPeriod: BlockNumber = 7 * DAYS;
 	pub const VotingPeriod: BlockNumber = 7 * DAYS;
-	pub const EmergencyVotingPeriod: BlockNumber = 3 * HOURS;
+	// KUSAMA: This is a bit short; should be increased to 3 hours.
+	pub const EmergencyVotingPeriod: BlockNumber = 1 * HOURS;
 	pub const MinimumDeposit: Balance = 100 * DOLLARS;
 	pub const EnactmentPeriod: BlockNumber = 8 * DAYS;
 	pub const CooloffPeriod: BlockNumber = 7 * DAYS;
@@ -341,7 +339,8 @@ impl democracy::Trait for Runtime {
 	/// A straight majority of the council can decide what their next motion is.
 	type ExternalOrigin = collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>;
 	/// A super-majority can have the next scheduled referendum be a straight majority-carries vote.
-	type ExternalMajorityOrigin = collective::EnsureProportionAtLeast<_3, _4, AccountId, CouncilCollective>;
+	// KUSAMA: A majority can have the next scheduled legislation be majority-carries.
+	type ExternalMajorityOrigin = collective::EnsureProportionAtLeast<_1, _2, AccountId, CouncilCollective>;
 	/// A unanimous council can have the next scheduled referendum be a straight default-carries
 	/// (NTB) vote.
 	type ExternalDefaultOrigin = collective::EnsureProportionAtLeast<_1, _1, AccountId, CouncilCollective>;
@@ -366,7 +365,7 @@ impl collective::Trait<CouncilCollective> for Runtime {
 parameter_types! {
 	pub const CandidacyBond: Balance = 100 * DOLLARS;
 	pub const VotingBond: Balance = 5 * DOLLARS;
-	pub const TermDuration: BlockNumber = 10 * MINUTES;
+	pub const TermDuration: BlockNumber = 2 * HOURS;
 	pub const DesiredMembers: u32 = 13;
 	pub const DesiredRunnersUp: u32 = 7;
 }
@@ -432,12 +431,17 @@ impl offences::Trait for Runtime {
 
 type SubmitTransaction = TransactionSubmitter<ImOnlineId, Runtime, UncheckedExtrinsic>;
 
+parameter_types! {
+	pub const SessionDuration: BlockNumber = EPOCH_DURATION_IN_BLOCKS as _;
+}
+
 impl im_online::Trait for Runtime {
 	type AuthorityId = ImOnlineId;
 	type Event = Event;
 	type Call = Call;
 	type SubmitTransaction = SubmitTransaction;
 	type ReportUnresponsiveness = Offences;
+	type SessionDuration = SessionDuration;
 }
 
 impl grandpa::Trait for Runtime {

runtime/src/parachains.rs

@@ -1046,7 +1046,7 @@ mod tests {
 	}
 
 	impl staking::Trait for Test {
-		type OnRewardMinted = ();
+		type RewardRemainder = ();
 		type CurrencyToVote = ();
 		type Event = ();
 		type Currency = balances::Module<Test>;

service/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-service"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 

service/src/lib.rs

@@ -91,7 +91,7 @@ macro_rules! new_full_start {
 				let select_chain = select_chain.take()
 					.ok_or_else(|| service::Error::SelectChainRequired)?;
 				let (grandpa_block_import, grandpa_link) =
-					grandpa::block_import::<_, _, _, RuntimeApi, _, _>(
+					grandpa::block_import::<_, _, _, RuntimeApi, _>(
 						client.clone(), &*client, select_chain
 					)?;
 				let justification_import = grandpa_block_import.clone();
@@ -342,8 +342,8 @@ pub fn new_light(config: Configuration<CustomConfiguration, GenesisConfig>)
 			let fetch_checker = fetcher
 				.map(|fetcher| fetcher.checker().clone())
 				.ok_or_else(|| "Trying to start light import queue without active fetch checker")?;
-			let grandpa_block_import = grandpa::light_block_import::<_, _, _, RuntimeApi, _>(
-				client.clone(), backend, Arc::new(fetch_checker), client.clone()
+			let grandpa_block_import = grandpa::light_block_import::<_, _, _, RuntimeApi>(
+				client.clone(), backend, &*client, Arc::new(fetch_checker)
 			)?;
 
 			let finality_proof_import = grandpa_block_import.clone();

statement-table/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-statement-table"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 

test-parachains/adder/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "adder"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which adds to a number as its state transition"
 edition = "2018"

test-parachains/halt/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "halt"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which executes forever"
 edition = "2018"

validation/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-validation"
-version = "0.6.6"
+version = "0.6.10"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"