feat(devnet): activate async backing

networks/README.md

@@ -13,5 +13,5 @@ cargo install --git https://github.com/r0gue-io/pop-cli
 You can spawn a local network as follows:
 
 ```shell
-pop up parachain -f ./networks/paseo.toml
+pop up parachain -f ./networks/testnet.toml
 ```

networks/testnet.toml

@@ -0,0 +1,40 @@
+# pop up parachain -f ./tests/networks/pop.toml
+
+[relaychain]
+chain = "paseo-local"
+
+[relaychain.runtime_genesis_patch.balances]
+balances = [
+    # Pop sovereign account
+    ["5Ec4AhPKXY9B4ayGshkz2wFMh7N8gP7XKfAvtt1cigpG9FkJ", 60000000000000000],
+]
+
+[[relaychain.nodes]]
+name = "alice"
+rpc_port = 8833
+validator = true
+
+[[relaychain.nodes]]
+name = "bob"
+validator = true
+
+[[parachains]]
+id = 4001
+chain = "testnet"
+default_command = "./target/release/pop-node"
+
+[parachains.genesis_overrides.balances]
+balances = [
+    # Dev accounts
+    ["5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", 10000000000000000],
+    ["5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty", 10000000000000000],
+    ["5FLSigC9HGRKVhB9FiEo4Y3koPsNmBmLJbpXg2mp1hXcS59Y", 10000000000000000],
+    ["5DAAnrj7VHTznn2AWBemMuyBwZWs6FNFjdyVXUeYum3PTXFy", 10000000000000000],
+    ["5HGjWAeFDfFCWPsjFQdVV2Msvz2XtMktvgocEZcCj68kUMaw", 10000000000000000],
+    ["5CiPPseXPECbkjWCa6MnjNokrgYjMqmKndv2rSnekmSK2DjL", 10000000000000000],
+]
+
+[[parachains.collators]]
+name = "pop"
+rpc_port = 9944
+args = ["-lruntime::contracts=debug", "-lpopapi::extension=debug"]

node/src/chain_spec.rs

@@ -150,7 +150,7 @@ pub fn testnet_config(relay: Relay) -> TestnetChainSpec {
 
 	#[allow(deprecated)]
 	TestnetChainSpec::builder(
-		pop_runtime_devnet::WASM_BINARY.expect("WASM binary was not built, please build it!"),
+		pop_runtime_testnet::WASM_BINARY.expect("WASM binary was not built, please build it!"),
 		extensions,
 	)
 	.with_name("Pop Network Testnet")

node/src/command.rs

@@ -65,7 +65,7 @@ impl RuntimeResolver for PathBuf {
 fn load_spec(id: &str) -> std::result::Result<Box<dyn ChainSpec>, String> {
 	Ok(match id {
 		"dev" | "dev-paseo" => Box::new(chain_spec::development_config(Relay::PaseoLocal)),
-		"test" | "pop-paseo" => Box::new(chain_spec::testnet_config(Relay::Paseo)),
+		"test" | "pop-paseo" | "testnet" => Box::new(chain_spec::testnet_config(Relay::Paseo)),
 		"" | "local" => Box::new(chain_spec::development_config(Relay::PaseoLocal)),
 		path => {
 			let path: PathBuf = path.into();

runtime/common/src/lib.rs

@@ -6,6 +6,7 @@ use frame_support::weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight};
 // Cumulus types re-export
 // These types are shared between the devnet and testnet runtimes
 pub use parachains_common::{AccountId, AuraId, Balance, Block, BlockNumber, Hash, Signature};
+pub use polkadot_primitives::MAX_POV_SIZE;
 
 /// Nonce for an account
 pub type Nonce = u32;
@@ -40,10 +41,8 @@ pub const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(5);
 pub const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
 
 /// We allow for 2 seconds of compute with a 6-second average block.
-pub const MAXIMUM_BLOCK_WEIGHT: Weight = Weight::from_parts(
-	WEIGHT_REF_TIME_PER_SECOND.saturating_div(2),
-	polkadot_primitives::MAX_POV_SIZE as u64,
-);
+pub const MAXIMUM_BLOCK_WEIGHT: Weight =
+	Weight::from_parts(WEIGHT_REF_TIME_PER_SECOND.saturating_div(2), MAX_POV_SIZE as u64);
 
 // Unit = the base number of indivisible units for balances
 pub const UNIT: Balance = 10_000_000_000; // 10 decimals

runtime/devnet/src/lib.rs

@@ -54,9 +54,8 @@
 use parachains_common::message_queue::{NarrowOriginToSibling, ParaIdToSibling};
 pub use pop_runtime_common::{
 	deposit, AuraId, Balance, BlockNumber, Hash, Nonce, Signature, AVERAGE_ON_INITIALIZE_RATIO,
-	BLOCK_PROCESSING_VELOCITY, DAYS, EXISTENTIAL_DEPOSIT, HOURS, MAXIMUM_BLOCK_WEIGHT, MICROUNIT,
-	MILLISECS_PER_BLOCK, MILLIUNIT, MINUTES, NORMAL_DISPATCH_RATIO,
-	RELAY_CHAIN_SLOT_DURATION_MILLIS, SLOT_DURATION, UNINCLUDED_SEGMENT_CAPACITY, UNIT,
+	BLOCK_PROCESSING_VELOCITY, EXISTENTIAL_DEPOSIT, MICROUNIT, MILLIUNIT, NORMAL_DISPATCH_RATIO,
+	RELAY_CHAIN_SLOT_DURATION_MILLIS, UNIT,
 };
 pub use sp_runtime::{MultiAddress, Perbill, Permill};
 
@@ -296,6 +295,9 @@
 	/// A timestamp: milliseconds since the unix epoch.
 	type Moment = u64;
 	type OnTimestampSet = Aura;
+	#[cfg(feature = "experimental")]
+	type MinimumPeriod = ConstU64<0>;
+	#[cfg(not(feature = "experimental"))]
 	type MinimumPeriod = ConstU64<{ SLOT_DURATION / 2 }>;
 	type WeightInfo = ();
 }
@@ -334,7 +336,7 @@
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
@@ -353,6 +355,18 @@
 	pub const RelayOrigin: AggregateMessageOrigin = AggregateMessageOrigin::Parent;
 }
 
+// Async backing
+const MAXIMUM_BLOCK_WEIGHT: Weight = Weight::from_parts(
+	frame_support::weights::constants::WEIGHT_REF_TIME_PER_SECOND.saturating_mul(2),
+	pop_runtime_common::MAX_POV_SIZE as u64,
+);
+const MILLISECS_PER_BLOCK: u64 = 6_000;
+const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;
+const UNINCLUDED_SEGMENT_CAPACITY: u32 = 3;
+const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
+const HOURS: BlockNumber = MINUTES * 60;
+const DAYS: BlockNumber = HOURS * 24;
+
 type ConsensusHook = cumulus_pallet_aura_ext::FixedVelocityConsensusHook<
 	Runtime,
 	RELAY_CHAIN_SLOT_DURATION_MILLIS,
@@ -440,7 +454,7 @@
 	type AuthorityId = AuraId;
 	type DisabledValidators = ();
 	type MaxAuthorities = ConstU32<100_000>;
-	type AllowMultipleBlocksPerSlot = ConstBool<false>;
+	type AllowMultipleBlocksPerSlot = ConstBool<true>;
 	#[cfg(feature = "experimental")]
 	type SlotDuration = ConstU64<SLOT_DURATION>;
 }

runtime/testnet/src/lib.rs

@@ -337,7 +337,7 @@
 
 impl pallet_transaction_payment::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
 	type WeightToFee = WeightToFee;
 	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
 	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
@@ -444,8 +444,11 @@
 	type DisabledValidators = ();
 	type MaxAuthorities = ConstU32<100_000>;
 	type AllowMultipleBlocksPerSlot = ConstBool<false>;
+	// Note: SlotDuration potentially enabled here due to devnet runtime and Rust's feature
+	// unification, requiring the setting of a backwards compatible value.
+	// See https://github.com/paritytech/polkadot-sdk/blob/09df373db9cd5dfed82c5cdb0736d417d54249e6/substrate/frame/aura/src/lib.rs#L262
 	#[cfg(feature = "experimental")]
-	type SlotDuration = ConstU64<SLOT_DURATION>;
+	type SlotDuration = pallet_aura::MinimumPeriodTimesTwo<Runtime>;
 }
 
 parameter_types! {