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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/runtime/src/lib.rs
+14 -2
View File
@@ -20,9 +20,9 @@
use codec::Encode;
use frame_support::RuntimeDebug;
use sp_core::hash::H256;
use sp_core::{hash::H256, storage::StorageKey};
use sp_io::hashing::blake2_256;
use sp_std::convert::TryFrom;
use sp_std::{convert::TryFrom, vec::Vec};
pub use chain::{
AccountIdOf, AccountPublicOf, BalanceOf, BlockNumberOf, Chain, HashOf, HasherOf, HeaderOf, IndexOf, SignatureOf,
@@ -183,3 +183,15 @@ impl<BlockNumber: Copy + Into<u64>, BlockHash: Copy> TransactionEra<BlockNumber,
}
}
}
/// This is how a storage key of storage parameter (`parameter_types! { storage Param: bool = false; }`) is computed.
///
/// Copypaste from `frame_support::parameter_types` macro
pub fn storage_parameter_key(parameter_name: &str) -> StorageKey {
let mut buffer = Vec::with_capacity(1 + parameter_name.len() + 1 + 1);
buffer.push(':' as u8);
buffer.extend_from_slice(parameter_name.as_bytes());
buffer.push(':' as u8);
buffer.push(0);
StorageKey(sp_io::hashing::twox_128(&buffer).to_vec())
}