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Add Bridge Header Sync to Rococo Runtime (#2983)

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* Add bridges code to workspace

* Add Rococo and Wococo bridge instances to Rococo runtime

* Add Rococo and Wococo runtime APIs

* Add GenesisConfig parameters for bridge pallet

* Update Rococo spec_version used by bridge relayer

* Add scripts for running Rococo and Wococo dev nodes

* Add scripts for running Rococo<>Wococo header sync

* Apply patch for build artifact location

* Remove bridges crates from workspace

* Downgrade async related dependencies

* Change bridge pallet owner to be `root_key`

* Bump number of `MaxRequests` allowed

* Revert changes in `bridges` subtree folder

* Use correct account for Sudo

* Add comment explaining duplicate bridge pallets

* Remove WeightInfo comment.

Co-authored-by: Tomasz Drwięga <tomasz@parity.io>
This commit is contained in:
Hernando Castano
2021-05-13 11:09:17 -04:00
committed by GitHub
parent 87264b7b0b
commit 9507266960
5 changed files with 111 additions and 29 deletions
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polkadot/runtime/rococo/src/lib.rs
+60
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@@ -236,6 +236,12 @@ construct_runtime! {
Beefy: pallet_beefy::{Pallet, Config<T>, Storage},
MmrLeaf: mmr_common::{Pallet, Storage},
// It might seem strange that we add both sides of the bridge to the same runtime. We do this because this
// runtime as shared by both the Rococo and Wococo chains. When running as Rococo we only use
// `BridgeWococoGrandpa`, and vice versa.
BridgeRococoGrandpa: pallet_bridge_grandpa::{Pallet, Call, Storage, Config<T>} = 40,
BridgeWococoGrandpa: pallet_bridge_grandpa::<Instance1>::{Pallet, Call, Storage, Config<T>} = 41,
// Validator Manager pallet.
ValidatorManager: validator_manager::{Pallet, Call, Storage, Event<T>},
@@ -794,6 +800,38 @@ impl mmr_common::Config for Runtime {
type ParachainHeads = Paras;
}
parameter_types! {
// This is a pretty unscientific cap.
//
// Note that once this is hit the pallet will essentially throttle incoming requests down to one
// call per block.
pub const MaxRequests: u32 = 4 * HOURS as u32;
// Number of headers to keep.
//
// Assuming the worst case of every header being finalized, we will keep headers at least for a
// week.
pub const HeadersToKeep: u32 = 7 * DAYS as u32;
}
pub type RococoGrandpaInstance = ();
impl pallet_bridge_grandpa::Config for Runtime {
type BridgedChain = bp_rococo::Rococo;
type MaxRequests = MaxRequests;
type HeadersToKeep = HeadersToKeep;
type WeightInfo = pallet_bridge_grandpa::weights::RialtoWeight<Runtime>;
}
pub type WococoGrandpaInstance = pallet_bridge_grandpa::Instance1;
impl pallet_bridge_grandpa::Config<WococoGrandpaInstance> for Runtime {
type BridgedChain = bp_wococo::Wococo;
type MaxRequests = MaxRequests;
type HeadersToKeep = HeadersToKeep;
type WeightInfo = pallet_bridge_grandpa::weights::RialtoWeight<Runtime>;
}
impl Randomness<Hash, BlockNumber> for ParentHashRandomness {
fn random(subject: &[u8]) -> (Hash, BlockNumber) {
(
@@ -1222,6 +1260,28 @@ sp_api::impl_runtime_apis! {
}
}
impl bp_rococo::RococoFinalityApi<Block> for Runtime {
fn best_finalized() -> (bp_rococo::BlockNumber, bp_rococo::Hash) {
let header = BridgeRococoGrandpa::best_finalized();
(header.number, header.hash())
}
fn is_known_header(hash: bp_rococo::Hash) -> bool {
BridgeRococoGrandpa::is_known_header(hash)
}
}
impl bp_wococo::WococoFinalityApi<Block> for Runtime {
fn best_finalized() -> (bp_wococo::BlockNumber, bp_wococo::Hash) {
let header = BridgeWococoGrandpa::best_finalized();
(header.number, header.hash())
}
fn is_known_header(hash: bp_wococo::Hash) -> bool {
BridgeWococoGrandpa::is_known_header(hash)
}
}
impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Nonce> for Runtime {
fn account_nonce(account: AccountId) -> Nonce {
System::account_nonce(account)