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Westend Mock Runtime and Client (#874)

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* Copy-Pasta Call code from mock Rococo to mock Westend runtime

* Update Westend client to include signing and call related code

* Add missing part of license header

* Move `account_info_storage_key` to `polkadot-core` crate
This commit is contained in:
Hernando Castano
2021-04-07 19:50:16 -04:00
committed by Bastian Köcher
parent c6ae74725b
commit 81d4eb9ea6
8 changed files with 143 additions and 53 deletions
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bridges/primitives/chain-rococo/src/lib.rs
+3 -40
View File
@@ -21,12 +21,14 @@
#![allow(clippy::unnecessary_mut_passed)]
use bp_messages::{LaneId, MessageNonce, UnrewardedRelayersState, Weight};
use frame_support::{Blake2_128Concat, StorageHasher, Twox128};
use sp_std::prelude::*;
use sp_version::RuntimeVersion;
pub use bp_polkadot_core::*;
/// Rococo Chain
pub type Rococo = PolkadotLike;
pub type UncheckedExtrinsic = bp_polkadot_core::UncheckedExtrinsic<Call>;
pub const VERSION: RuntimeVersion = RuntimeVersion {
@@ -55,29 +57,6 @@ impl sp_runtime::traits::Dispatchable for Call {
}
}
/// Return a storage key for account data.
///
/// This is based on FRAME storage-generation code from Substrate:
/// https://github.com/paritytech/substrate/blob/c939ceba381b6313462d47334f775e128ea4e95d/frame/support/src/storage/generator/map.rs#L74
/// 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 = parity_scale_codec::Encode::using_encoded(id, Blake2_128Concat::hash);
let mut final_key = Vec::with_capacity(module_prefix_hashed.len() + storage_prefix_hashed.len() + key_hashed.len());
final_key.extend_from_slice(&module_prefix_hashed[..]);
final_key.extend_from_slice(&storage_prefix_hashed[..]);
final_key.extend_from_slice(&key_hashed);
final_key
}
/// Rococo Chain
pub type Rococo = PolkadotLike;
// We use this to get the account on Rococo (target) which is derived from Westend's (source)
// account.
pub fn derive_account_from_westend_id(id: bp_runtime::SourceAccount<AccountId>) -> AccountId {
@@ -165,19 +144,3 @@ sp_api::decl_runtime_apis! {
fn unrewarded_relayers_state(lane: LaneId) -> UnrewardedRelayersState;
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn should_generate_storage_key() {
let acc = [
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32,
]
.into();
let key = account_info_storage_key(&acc);
assert_eq!(hex::encode(key), "26aa394eea5630e07c48ae0c9558cef7b99d880ec681799c0cf30e8886371da92dccd599abfe1920a1cff8a7358231430102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20");
}
}