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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
Download Patch File Download Diff File Expand all files Collapse all files
bridges/primitives/chain-polkadot/Cargo.toml
+2
View File
@@ -20,6 +20,7 @@ bp-runtime = { path = "../runtime", default-features = false }
frame-support = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-api = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
sp-version = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
[features]
default = ["std"]
@@ -30,4 +31,5 @@ std = [
"frame-support/std",
"sp-api/std",
"sp-std/std",
"sp-version/std",
]
bridges/primitives/chain-polkadot/src/lib.rs
+25
View File
@@ -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::*;
/// Polkadot Chain
pub type Polkadot = PolkadotLike;
// NOTE: This needs to be kept up to date with the Polkadot runtime found in the Polkadot repo.
pub const VERSION: RuntimeVersion = RuntimeVersion {
spec_name: sp_version::create_runtime_str!("polkadot"),
impl_name: sp_version::create_runtime_str!("parity-polkadot"),
authoring_version: 0,
spec_version: 9100,
impl_version: 0,
apis: sp_version::create_apis_vec![[]],
transaction_version: 7,
};
// NOTE: This needs to be kept up to date with the Polkadot runtime found in the Polkadot repo.
pub struct WeightToFee;
impl WeightToFeePolynomial for WeightToFee {
@@ -57,9 +69,22 @@ pub fn derive_account_from_kusama_id(id: bp_runtime::SourceAccount<AccountId>) -
/// Per-byte fee for Polkadot transactions.
pub const TRANSACTION_BYTE_FEE: Balance = 10 * 10_000_000_000 / 100 / 1_000;
/// Existential deposit on Polkadot.
pub const EXISTENTIAL_DEPOSIT: Balance = 10_000_000_000;
/// The target length of a session (how often authorities change) on Polkadot 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 = 4 * time_units::HOURS;
/// Name of the With-Kusama messages pallet instance in the Polkadot runtime.
pub const WITH_KUSAMA_MESSAGES_PALLET_NAME: &str = "BridgeKusamaMessages";
/// Name of the KSM->DOT conversion rate stored in the Polkadot runtime.
pub const KUSAMA_TO_POLKADOT_CONVERSION_RATE_PARAMETER_NAME: &str = "KusamaToPolkadotConversionRate";
/// Name of the `PolkadotFinalityApi::best_finalized` runtime method.
pub const BEST_FINALIZED_POLKADOT_HEADER_METHOD: &str = "PolkadotFinalityApi_best_finalized";
/// Name of the `PolkadotFinalityApi::is_known_header` runtime method.