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Define StorageDoubleMapKeyProvider

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Signed-off-by: Serban Iorga <serban@parity.io>
This commit is contained in:
Serban Iorga
2022-07-26 22:50:04 +03:00
committed by Bastian Köcher
parent f9af3f2d6e
commit cd36d1e15f
5 changed files with 100 additions and 65 deletions
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bridges/relays/client-substrate/src/client.rs
+19 -1
View File
@@ -25,7 +25,7 @@ use crate::{
use async_std::sync::{Arc, Mutex};
use async_trait::async_trait;
use bp_runtime::HeaderIdProvider;
use bp_runtime::{HeaderIdProvider, StorageDoubleMapKeyProvider};
use codec::{Decode, Encode};
use frame_system::AccountInfo;
use futures::{SinkExt, StreamExt};
@@ -380,6 +380,24 @@ impl<C: Chain> Client<C> {
.transpose()
}
/// Read `DoubleMapStorage` value from runtime storage.
pub async fn storage_double_map_value<T: StorageDoubleMapKeyProvider>(
&self,
pallet_prefix: &str,
key1: &T::Key1,
key2: &T::Key2,
block_hash: Option<C::Hash>,
) -> Result<Option<T::Value>> {
let storage_key = T::final_key(pallet_prefix, key1, key2);
self.raw_storage_value(storage_key, block_hash)
.await?
.map(|encoded_value| {
T::Value::decode(&mut &encoded_value.0[..]).map_err(Error::ResponseParseFailed)
})
.transpose()
}
/// Read raw value from runtime storage.
pub async fn raw_storage_value(
&self,
bridges/relays/lib-substrate-relay/src/parachains/target.rs
+11 -12
View File
@@ -25,10 +25,9 @@ use crate::{
use async_trait::async_trait;
use bp_parachains::{
best_parachain_head_hash_storage_key_at_target, imported_parachain_head_storage_key_at_target,
BestParaHeadHash,
best_parachain_head_hash_storage_key_at_target, BestParaHeadHash, ImportedParaHeadsKeyProvider,
};
use bp_polkadot_core::parachains::{ParaHash, ParaHead, ParaHeadsProof, ParaId};
use bp_polkadot_core::parachains::{ParaHash, ParaHeadsProof, ParaId};
use bp_runtime::HeaderIdProvider;
use codec::{Decode, Encode};
use parachains_relay::{
@@ -131,14 +130,14 @@ where
let best_para_head_hash: Option<BestParaHeadHash> =
self.client.storage_value(best_para_head_hash_key, Some(at_block.1)).await?;
if let (Some(metrics), &Some(ref best_para_head_hash)) = (metrics, &best_para_head_hash) {
let imported_para_head_key = imported_parachain_head_storage_key_at_target(
P::SourceRelayChain::PARACHAINS_FINALITY_PALLET_NAME,
para_id,
best_para_head_hash.head_hash,
);
let imported_para_header = self
let imported_para_head = self
.client
.storage_value::<ParaHead>(imported_para_head_key, Some(at_block.1))
.storage_double_map_value::<ImportedParaHeadsKeyProvider>(
P::SourceRelayChain::PARACHAINS_FINALITY_PALLET_NAME,
&para_id,
&best_para_head_hash.head_hash,
Some(at_block.1),
)
.await?
.and_then(|h| match HeaderOf::<P::SourceParachain>::decode(&mut &h.0[..]) {
Ok(header) => Some(header),
@@ -154,9 +153,9 @@ where
None
},
});
if let Some(imported_para_header) = imported_para_header {
if let Some(imported_para_head) = imported_para_head {
metrics
.update_best_parachain_block_at_target(para_id, *imported_para_header.number());
.update_best_parachain_block_at_target(para_id, *imported_para_head.number());
}
}