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Adds support for checking the timestamp inherent while validating a block (#494)

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* Adds support for checking the timestamp inherent while validating a block

This adds support for checking the timestamp inherent while validating a
block. This will use the relay chain slot number * relay chain slot
duration to calculate a timestamp. This timestamp is used to check the
timestamp in the timestamp inherent.

* Update polkadot-parachains/rococo-runtime/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update polkadot-parachains/statemine-runtime/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update primitives/timestamp/src/lib.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* Fix warnings

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
This commit is contained in:
Bastian Köcher
2021-06-16 09:53:47 +01:00
committed by GitHub
parent a84f7866f5
commit d3b4279f14
28 changed files with 826 additions and 522 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/runtime/Cargo.toml
+2
View File
@@ -32,6 +32,7 @@ sp-version = { git = "https://github.com/paritytech/substrate", default-features
# Cumulus dependencies
cumulus-pallet-parachain-system = { path = "../../pallets/parachain-system", default-features = false }
cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
cumulus-primitives-timestamp = { path = "../../primitives/timestamp", default-features = false }
# Polkadot dependencies
polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
@@ -45,6 +46,7 @@ std = [
"codec/std",
"cumulus-pallet-parachain-system/std",
"cumulus-primitives-core/std",
"cumulus-primitives-timestamp/std",
"frame-executive/std",
"frame-support/std",
"frame-system/std",
test/runtime/src/lib.rs
+13 -3
View File
@@ -96,7 +96,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
transaction_version: 1,
};
pub const MILLISECS_PER_BLOCK: u64 = 1000;
pub const MILLISECS_PER_BLOCK: u64 = 6000;
pub const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;
@@ -431,7 +431,7 @@ struct CheckInherents;
impl cumulus_pallet_parachain_system::CheckInherents<Block> for CheckInherents {
fn check_inherents(
_: &[UncheckedExtrinsic],
block: &Block,
relay_state_proof: &cumulus_pallet_parachain_system::RelayChainStateProof,
) -> sp_inherents::CheckInherentsResult {
if relay_state_proof.read_slot().expect("Reads slot") == 1337u64 {
@@ -443,7 +443,17 @@ impl cumulus_pallet_parachain_system::CheckInherents<Block> for CheckInherents {
.expect("Puts error");
res
} else {
sp_inherents::CheckInherentsResult::new()
let relay_chain_slot = relay_state_proof
.read_slot()
.expect("Could not read the relay chain slot from the proof");
let inherent_data =
cumulus_primitives_timestamp::InherentDataProvider::from_relay_chain_slot_and_duration(
relay_chain_slot,
sp_std::time::Duration::from_secs(6),
).create_inherent_data().expect("Could not create the timestamp inherent data");
inherent_data.check_extrinsics(&block)
}
}
}