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Use specific error for case when para head is missing from the bridge pallet (#1829)

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* use specific error for case when para head is missing from the bridge pallet

* fix match to support both error types
This commit is contained in:
Svyatoslav Nikolsky
2023-01-30 16:10:00 +03:00
committed by Bastian Köcher
parent 4689dfaf2c
commit 606768bc6a
3 changed files with 12 additions and 5 deletions
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bridges/relays/lib-substrate-relay/src/on_demand/parachains.rs
+4 -3
View File
@@ -473,12 +473,13 @@ where
P::SourceParachain,
>(target.client(), best_target_block_hash)
.await;
// if there are no parachain heads at the target (`BridgePalletIsNotInitialized`), we'll need
// to submit at least one. Otherwise the pallet will be treated as uninitialized and messages
// if there are no parachain heads at the target (`NoParachainHeadAtTarget`), we'll need to
// submit at least one. Otherwise the pallet will be treated as uninitialized and messages
// sync will stall.
let para_header_at_target = match para_header_at_target {
Ok(para_header_at_target) => Some(para_header_at_target.0),
Err(SubstrateError::BridgePalletIsNotInitialized) => None,
Err(SubstrateError::BridgePalletIsNotInitialized) |
Err(SubstrateError::NoParachainHeadAtTarget(_, _)) => None,
Err(e) => return Err(map_target_err(e)),
};
bridges/relays/lib-substrate-relay/src/parachains/target.rs
+5 -2
View File
@@ -33,7 +33,7 @@ use parachains_relay::{
};
use relay_substrate_client::{
AccountIdOf, AccountKeyPairOf, BlockNumberOf, Chain, Client, Error as SubstrateError, HashOf,
HeaderIdOf, RelayChain, TransactionEra, TransactionTracker, UnsignedTransaction,
HeaderIdOf, ParachainBase, RelayChain, TransactionEra, TransactionTracker, UnsignedTransaction,
};
use relay_utils::{relay_loop::Client as RelayClient, HeaderId};
use sp_core::{Bytes, Pair};
@@ -110,7 +110,10 @@ where
)
.map_err(SubstrateError::ResponseParseFailed)?
.map(Ok)
.unwrap_or(Err(SubstrateError::BridgePalletIsNotInitialized))
.unwrap_or(Err(SubstrateError::NoParachainHeadAtTarget(
P::SourceParachain::PARACHAIN_ID,
P::TargetChain::NAME.into(),
)))
}
async fn parachain_head(