add choptsticks guide

Signed-off-by: Iulian Barbu <[email protected]>

templates/parachain/README.md

@@ -201,9 +201,34 @@ Development parachains:
 We recommend using [`chopsticks`](https://github.com/AcalaNetwork/chopsticks) when the focus is more on the runtime
 development and `OmniNode` is enough as is.
 
+### Install chopsticks
+
+To use `chopsticks`, please install the latest version according to the installation [guide](https://github.com/AcalaNetwork/chopsticks?tab=readme-ov-file#install).
+
+### Build a raw chain spec
+
+Build the `parachain-template-runtime` as mentioned before in this guide and use `chain-spec-builder`
+again but this time by passing `--raw-storage` flag:
+
+```sh
+chain-spec-builder create --raw-storage --relay-chain "rococo-local" --para-id 1000 --runtime \
+    target/release/wbuild/parachain-template-runtime/parachain_template_runtime.wasm named-preset development
+```
+
+### Start `chopsticks` with the chain spec
+
+We'll also need to set `--allow-unresolved-imports=true` because the `parachain-template-runtime` is not built
+with the benchmarking feature, and some of the host functions required for it are missing.
+
+```sh
+npx @acala-network/chopsticks@latest --chain-spec <path/to/chain_spec.json> --allow-unresolved-imports=true
+```
+
+### Alternatives
+
 `OmniNode` can be still used for runtime development if using the `--dev` flag, while `parachain-template-node` doesn't
-support it at this moment (but it can still be used to test a runtime in a full setup where it is started alongside a
-relay chain network, as we do with the `zombienet.toml` file).
+support it at this moment. It can still be used to test a runtime in a full setup where it is started alongside a
+relay chain network (see [Parachain Template node](#parachain-template-node) setup).
 
 ## Contributing
 

templates/parachain/runtime/src/configs/mod.rs

@@ -63,7 +63,8 @@ use super::{
 	MessageQueue, Nonce, PalletInfo, ParachainSystem, Runtime, RuntimeCall, RuntimeEvent,
 	RuntimeFreezeReason, RuntimeHoldReason, RuntimeOrigin, RuntimeTask, Session, SessionKeys,
 	System, WeightToFee, XcmpQueue, AVERAGE_ON_INITIALIZE_RATIO, EXISTENTIAL_DEPOSIT, HOURS,
-	MAXIMUM_BLOCK_WEIGHT, MICRO_UNIT, NORMAL_DISPATCH_RATIO, SLOT_DURATION, VERSION,
+	MAXIMUM_BLOCK_WEIGHT, MICRO_UNIT, MINIMUM_PERIOD, NORMAL_DISPATCH_RATIO, SLOT_DURATION,
+	VERSION,
 };
 use xcm_config::{RelayLocation, XcmOriginToTransactDispatchOrigin};
 
@@ -133,7 +134,7 @@ impl pallet_timestamp::Config for Runtime {
 	/// A timestamp: milliseconds since the unix epoch.
 	type Moment = u64;
 	type OnTimestampSet = Aura;
-	type MinimumPeriod = ConstU64<0>;
+	type MinimumPeriod = ConstU64<MINIMUM_PERIOD>;
 	type WeightInfo = ();
 }
 

templates/parachain/runtime/src/lib.rs

@@ -187,6 +187,9 @@ mod block_times {
 	// NOTE: Currently it is not possible to change the slot duration after the chain has started.
 	// Attempting to do so will brick block production.
 	pub const SLOT_DURATION: u64 = MILLI_SECS_PER_BLOCK;
+
+	/// Minimum period between blocks set for the `pallet_timestamp`.
+	pub const MINIMUM_PERIOD: u64 = SLOT_DURATION / 2;
 }
 pub use block_times::*;