pezkuwichain/pezkuwi-subxt
1
0
Fork 0
mirror of https://github.com/pezkuwichain/pezkuwi-subxt.git synced 2026-05-31 00:31:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add RococoBridgeHub <> WococoBridgeHub full 2 way bridge (#1663)

Browse Source 
* Add RococoBridgeHub <> WococoBridgeHub full 2 way bridge

* Use StorageMapKeyProvider instead of account_info_storage_key()

Avoid duplicating storage_map_final_key()

* clippy + leftovers
This commit is contained in:
Serban Iorga
2022-11-25 10:56:48 +02:00
committed by Bastian Köcher
parent 786db04bbc
commit 7b74940539
13 changed files with 115 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bridges/primitives/polkadot-core/src/lib.rs
+20 -18
View File
@@ -17,7 +17,7 @@
#![cfg_attr(not(feature = "std"), no_std)]
use bp_messages::MessageNonce;
use bp_runtime::{Chain, EncodedOrDecodedCall};
use bp_runtime::{Chain, EncodedOrDecodedCall, StorageMapKeyProvider};
use codec::Compact;
use frame_support::{
dispatch::{DispatchClass, Dispatchable},
@@ -26,11 +26,11 @@ use frame_support::{
constants::{BlockExecutionWeight, WEIGHT_PER_SECOND},
Weight,
},
Blake2_128Concat, RuntimeDebug, StorageHasher, Twox128,
Blake2_128Concat, RuntimeDebug,
};
use frame_system::limits;
use scale_info::{StaticTypeInfo, TypeInfo};
use sp_core::Hasher as HasherT;
use sp_core::{storage::StorageKey, Hasher as HasherT};
use sp_runtime::{
generic,
traits::{BlakeTwo256, DispatchInfoOf, IdentifyAccount, Verify},
@@ -346,26 +346,28 @@ impl Chain for PolkadotLike {
}
}
/// Return a storage key for account data.
/// Provides a storage key for account data.
///
/// This is based on FRAME storage-generation code from Substrate:
/// [link](https://github.com/paritytech/substrate/blob/c939ceba381b6313462d47334f775e128ea4e95d/frame/support/src/storage/generator/map.rs#L74)
/// We need to use this approach when we don't have access to the runtime.
/// The equivalent command to invoke in case full `Runtime` is known is this:
/// `let key = frame_system::Account::<Runtime>::storage_map_final_key(&account_id);`
pub fn account_info_storage_key(id: &AccountId) -> Vec<u8> {
let module_prefix_hashed = Twox128::hash(b"System");
let storage_prefix_hashed = Twox128::hash(b"Account");
let key_hashed = codec::Encode::using_encoded(id, Blake2_128Concat::hash);
pub struct AccountInfoStorageMapKeyProvider;
let mut final_key = Vec::with_capacity(
module_prefix_hashed.len() + storage_prefix_hashed.len() + key_hashed.len(),
);
impl StorageMapKeyProvider for AccountInfoStorageMapKeyProvider {
const MAP_NAME: &'static str = "Account";
type Hasher = Blake2_128Concat;
type Key = AccountId;
// This should actually be `AccountInfo`, but we don't use this property in order to decode the
// data. So we use `Vec<u8>` as if we would work with encoded data.
type Value = Vec<u8>;
}
final_key.extend_from_slice(&module_prefix_hashed[..]);
final_key.extend_from_slice(&storage_prefix_hashed[..]);
final_key.extend_from_slice(&key_hashed);
impl AccountInfoStorageMapKeyProvider {
const PALLET_NAME: &'static str = "System";
final_key
pub fn final_key(id: &AccountId) -> StorageKey {
<Self as StorageMapKeyProvider>::final_key(Self::PALLET_NAME, id)
}
}
#[cfg(test)]
@@ -379,7 +381,7 @@ mod tests {
25, 26, 27, 28, 29, 30, 31, 32,
]
.into();
let key = account_info_storage_key(&acc);
let key = AccountInfoStorageMapKeyProvider::final_key(&acc);
assert_eq!(hex::encode(key), "26aa394eea5630e07c48ae0c9558cef7b99d880ec681799c0cf30e8886371da92dccd599abfe1920a1cff8a7358231430102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20");
}
}