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Polkadot <> Kusama relayers (#1122)

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* relay headers between Kusama and Polkadot

* relay messages between Kusama and Polkadot

* complex Kusama <> Polkadot relayer

* expose relayer_fund_account_id from messages pallet

* create relayers fund accounts on Kusama/Polkadot + some more fixes

* fmt

* fix compilation

* compilation + clippy

* compilation

* MAXIMAL_BALANCE_DECREASE_PER_DAY for K<>P header relays

* fmt

* deduplicate tests

* Update modules/messages/src/lib.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* extract storage_parameter_key function

* other grumbles

* fix

* fmt

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
This commit is contained in:
Svyatoslav Nikolsky
2021-09-21 16:53:37 +03:00
committed by Bastian Köcher
parent 417903f9e7
commit 2db84b74cc
31 changed files with 1936 additions and 68 deletions
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bridges/primitives/chain-kusama/src/lib.rs
+25
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@@ -23,12 +23,24 @@
use bp_messages::{LaneId, MessageDetails, MessageNonce, UnrewardedRelayersState};
use frame_support::weights::{WeightToFeeCoefficient, WeightToFeeCoefficients, WeightToFeePolynomial};
use sp_std::prelude::*;
use sp_version::RuntimeVersion;
pub use bp_polkadot_core::*;
/// Kusama Chain
pub type Kusama = PolkadotLike;
// NOTE: This needs to be kept up to date with the Kusama runtime found in the Polkadot repo.
pub const VERSION: RuntimeVersion = RuntimeVersion {
spec_name: sp_version::create_runtime_str!("kusama"),
impl_name: sp_version::create_runtime_str!("parity-kusama"),
authoring_version: 2,
spec_version: 9100,
impl_version: 0,
apis: sp_version::create_apis_vec![[]],
transaction_version: 5,
};
// NOTE: This needs to be kept up to date with the Kusama runtime found in the Polkadot repo.
pub struct WeightToFee;
impl WeightToFeePolynomial for WeightToFee {
@@ -57,9 +69,22 @@ pub fn derive_account_from_polkadot_id(id: bp_runtime::SourceAccount<AccountId>)
/// Per-byte fee for Kusama transactions.
pub const TRANSACTION_BYTE_FEE: Balance = 10 * 1_000_000_000_000 / 30_000 / 1_000;
/// Existential deposit on Kusama.
pub const EXISTENTIAL_DEPOSIT: Balance = 1_000_000_000_000 / 30_000;
/// The target length of a session (how often authorities change) on Kusama measured in of number of
/// blocks.
///
/// Note that since this is a target sessions may change before/after this time depending on network
/// conditions.
pub const SESSION_LENGTH: BlockNumber = 1 * time_units::HOURS;
/// Name of the With-Polkadot messages pallet instance in the Kusama runtime.
pub const WITH_POLKADOT_MESSAGES_PALLET_NAME: &str = "BridgePolkadotMessages";
/// Name of the DOT->KSM conversion rate stored in the Kusama runtime.
pub const POLKADOT_TO_KUSAMA_CONVERSION_RATE_PARAMETER_NAME: &str = "PolkadotToKusamaConversionRate";
/// Name of the `KusamaFinalityApi::best_finalized` runtime method.
pub const BEST_FINALIZED_KUSAMA_HEADER_METHOD: &str = "KusamaFinalityApi_best_finalized";
/// Name of the `KusamaFinalityApi::is_known_header` runtime method.