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Wire Finality Verifier Pallet Into Runtimes (#696)

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* Add Finality Verifier pallet to runtimes

* Implement simple ancestry checker

* Use the new checker in runtimes

* Remove unused import warning

* Bump max allowed ancestry proof size

* Add a few optimization suggestions when verifying ancestry

* Use session length as upper bound for ancestry proof size

* Remove unused time units
This commit is contained in:
Hernando Castano
2021-02-03 14:33:49 -05:00
committed by Bastian Köcher
parent d73100cb30
commit 8c7d0ca35d
9 changed files with 183 additions and 25 deletions
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bridges/bin/rialto/runtime/src/lib.rs
+16 -11
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@@ -140,15 +140,6 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
transaction_version: 1,
};
pub const MILLISECS_PER_BLOCK: u64 = 6000;
pub const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;
// These time units are defined in number of blocks.
pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
pub const HOURS: BlockNumber = MINUTES * 60;
pub const DAYS: BlockNumber = HOURS * 24;
/// The version information used to identify this runtime when compiled natively.
#[cfg(feature = "std")]
pub fn native_version() -> NativeVersion {
@@ -344,7 +335,7 @@ impl pallet_grandpa::Config for Runtime {
}
parameter_types! {
pub const MinimumPeriod: u64 = SLOT_DURATION / 2;
pub const MinimumPeriod: u64 = bp_rialto::SLOT_DURATION / 2;
}
impl pallet_timestamp::Config for Runtime {
@@ -394,7 +385,7 @@ impl pallet_sudo::Config for Runtime {
}
parameter_types! {
pub const Period: BlockNumber = 4;
pub const Period: BlockNumber = bp_rialto::SESSION_LENGTH;
pub const Offset: BlockNumber = 0;
}
@@ -416,6 +407,19 @@ impl pallet_substrate_bridge::Config for Runtime {
type BridgedChain = bp_millau::Millau;
}
parameter_types! {
// We'll use the length of a session on the bridged chain as our bound since GRANDPA is
// guaranteed to produce a justification every session.
pub const MaxHeadersInSingleProof: bp_millau::BlockNumber = bp_millau::SESSION_LENGTH;
}
impl pallet_finality_verifier::Config for Runtime {
type BridgedChain = bp_millau::Millau;
type HeaderChain = pallet_substrate_bridge::Module<Runtime>;
type AncestryChecker = bp_header_chain::LinearAncestryChecker;
type MaxHeadersInSingleProof = MaxHeadersInSingleProof;
}
impl pallet_shift_session_manager::Config for Runtime {}
parameter_types! {
@@ -471,6 +475,7 @@ construct_runtime!(
BridgeRialtoCurrencyExchange: pallet_bridge_currency_exchange::<Instance1>::{Module, Call},
BridgeKovanCurrencyExchange: pallet_bridge_currency_exchange::<Instance2>::{Module, Call},
BridgeMillau: pallet_substrate_bridge::{Module, Call, Storage, Config<T>},
BridgeFinalityVerifier: pallet_finality_verifier::{Module, Call},
BridgeCallDispatch: pallet_bridge_call_dispatch::{Module, Event<T>},
BridgeMillauMessageLane: pallet_message_lane::{Module, Call, Storage, Event<T>},
System: frame_system::{Module, Call, Config, Storage, Event<T>},