feat: first compression iteration #639
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⚠️ Outside diff range comments (3)
test-integration/test-committor-service/tests/test_delivery_preparator.rs (1)
1-31: Missing import forprogram_flexi_counterused at line 586.The test uses
program_flexi_counter::id()at line 586, but there is no corresponding import in the file. This will cause a compilation error.Add the import:
use solana_sdk::{rent::Rent, signature::Keypair, signer::Signer}; use test_kit::init_logger; +use program_flexi_counter; use crate::{magicblock-committor-service/src/tasks/args_task.rs (1)
304-317: Match should borrowtask_typeto avoid potential move.The match on
self.task_type(line 306) attempts to movetask_typeout of&self. SinceArgsTaskTypeisClonebut notCopy(it containsVecfields), this should use&self.task_typeinstead.If this compiles, it's because the patterns don't bind the inner values (they use
_), allowing the compiler to treat it as a borrow. However, for clarity and to prevent future issues if patterns change, prefer explicit borrowing.impl LabelValue for ArgsTask { fn value(&self) -> &str { - match self.task_type { + match &self.task_type { ArgsTaskType::Commit(_) => "args_commit", ArgsTaskType::BaseAction(_) => "args_action", ArgsTaskType::Finalize(_) => "args_finalize", ArgsTaskType::Undelegate(_) => "args_undelegate", ArgsTaskType::CompressedCommit(_) => "args_compressed_commit", ArgsTaskType::CompressedFinalize(_) => "args_compressed_finalize", ArgsTaskType::CompressedUndelegate(_) => { "args_compressed_undelegate" } } } }magicblock-chainlink/src/chainlink/fetch_cloner.rs (1)
924-955: Compressed bulk path silently drops invalid records and duplicates delegation logicIn the
owned_by_deleg_compressedbulk branch, a failedCompressedDelegationRecord::try_from_sliceonly logs an error and skips the account:let Ok(delegation_record) = CompressedDelegationRecord::try_from_slice(account.data()) else { error!("Failed to deserialize compressed delegation record for {pubkey}"); return None; };This is notably different from the non‑compressed delegation flow above, where an invalid
DelegationRecordabortsfetch_and_clone_accountswith an error. Here, callers see a seemingly successfulFetchAndCloneResultbut the compressed delegated account is never cloned, which can be hard to debug if the on‑chain record gets corrupted.Two concrete suggestions:
Align error semantics with the regular delegation path. Instead of just returning
None, consider turning this into a hard error (e.g., via aChainlinkError::InvalidDelegationRecord/compressed variant propagated out offetch_and_clone_accounts), or at least surface it viaFetchAndCloneResultso callers know a compressed delegated account could not be resolved.Reuse
apply_delegation_record_to_accountfor flag semantics. This branch re‑implements delegation application (owner/delegated) directly onaccount, whileapply_delegation_record_to_accountalready encapsulates how authority, delegation, and confinement interact. You could setcompressedandlamportsexplicitly here, but delegate owner/delegated/confined calculation to that helper to keep compressed and non‑compressed behavior in sync and avoid future drift.
♻️ Duplicate comments (9)
test-integration/test-committor-service/tests/test_delivery_preparator.rs (1)
531-592: Add missing import forprogram_flexi_counterto resolve compilation error.The test logic is comprehensive and follows established patterns, but line 586 uses
program_flexi_counter::id()without importing the crate. Add the import at the top of the file:use program_flexi_counter;This matches the pattern used in
test_ix_commit_local.rsandtest_intent_executor.rs.magicblock-committor-service/src/intent_executor/two_stage_executor.rs (1)
196-202: Log RPC errors before discarding them.The
.ok()on line 202 silently discards all RPC failures when fetching the commit transaction slot. This loses observability into whycommit_slotmight beNoneduring finalize preparation.Consider logging the error before converting to
None:- let commit_slot = self - .inner - .rpc_client - .get_transaction(&self.state.commit_signature, None) - .await - .map(|tx| tx.slot) - .ok(); + let commit_slot = match self + .inner + .rpc_client + .get_transaction(&self.state.commit_signature, None) + .await + { + Ok(tx) => Some(tx.slot), + Err(err) => { + warn!( + "Failed to fetch commit transaction slot for {}: {err}", + self.state.commit_signature + ); + None + } + };This preserves the existing behavior (finalize proceeds with
None) while making slot-fetch issues visible.magicblock-committor-service/src/tasks/task_strategist.rs (2)
702-720: Test validates mixed compression rejection.The test correctly verifies that mixing compressed and uncompressed tasks returns
InconsistentTaskCompression. Consider adding a complementary test to verify all-compressed tasks succeed withstrategy.compressed = true.
27-47: Compression consistency validation is correct, but fold pattern could be simplified.The validation logic correctly ensures all tasks have consistent compression state. However, the nested
Option<Result<bool>>fold pattern is harder to follow than necessary.A cleaner alternative:
- let compressed = optimized_tasks - .iter() - .fold(None, |state, task| match state { - None => Some(Ok(task.is_compressed())), - Some(Ok(state)) if state != task.is_compressed() => { - Some(Err(TaskStrategistError::InconsistentTaskCompression)) - } - Some(Ok(state)) => Some(Ok(state)), - Some(Err(err)) => Some(Err(err)), - }) - .unwrap_or(Ok(false))?; + let compressed = match optimized_tasks.first() { + None => false, + Some(first) => { + let expected = first.is_compressed(); + for task in &optimized_tasks[1..] { + if task.is_compressed() != expected { + return Err(TaskStrategistError::InconsistentTaskCompression); + } + } + expected + } + };magicblock-chainlink/src/remote_account_provider/remote_account.rs (1)
287-291: Consider derivingDebugandPartialEqforFetchedRemoteAccounts.For test assertions and logging, deriving additional traits would improve ergonomics:
-#[derive(Clone)] +#[derive(Debug, Clone, PartialEq, Eq)] pub enum FetchedRemoteAccounts { Rpc(Vec<RemoteAccount>), Compressed(Vec<RemoteAccount>), }test-integration/test-chainlink/src/ixtest_context.rs (1)
596-598: Fixed sleeps may cause timing flakes in CI.Multiple
sleep_ms(500).awaitcalls wait for the Photon indexer to index accounts. While the PhotonIndexer has built-in retry logic for fetches, these fixed delays before fetching could still cause flakiness if indexing occasionally takes longer.Consider replacing with a bounded polling loop if you observe intermittent test failures.
Also applies to: 651-653, 714-716
magicblock-committor-service/src/tasks/task_builder.rs (1)
461-472: Potential panic on emptypacked_tree_infosvector.Line 467 uses direct indexing
packed_tree_infos[0]which will panic if the vector is empty. Whilestate_treesbeingSomeis checked, an emptypacked_tree_infosvector could still occur.Apply this diff to safely access the first element:
let packed_tree_accounts = proof_result .pack_tree_infos(&mut remaining_accounts) .state_trees .ok_or(TaskBuilderError::MissingStateTrees)?; + let tree_info = packed_tree_accounts + .packed_tree_infos + .first() + .copied() + .ok_or(TaskBuilderError::MissingStateTrees)?; + let account_meta = CompressedAccountMeta { - tree_info: packed_tree_accounts.packed_tree_infos[0], + tree_info, address: compressed_delegation_record .address .ok_or(TaskBuilderError::MissingAddress)?, output_state_tree_index: packed_tree_accounts.output_tree_index, };magicblock-committor-service/src/tasks/args_task.rs (1)
124-134: Missing.args()call in CompressedUndelegate instruction builder.The
UndelegateBuilderis missing the.args(UndelegateArgs {...})call. Comparing to the test implementation inixtest_context.rs(lines 672-687), the builder requiresUndelegateArgscontainingvalidity_proof,delegation_record_account_meta, andcompressed_delegated_record.The
compressed_datafield containsproofandaccount_meta, butcompressed_delegated_recordwould need to be deserialized fromcompressed_data.compressed_delegation_record_bytes.Apply this diff to add the missing args:
ArgsTaskType::CompressedUndelegate(value) => { + use compressed_delegation_client::types::UndelegateArgs; + use borsh::BorshDeserialize; + let compressed_delegated_record = + compressed_delegation_client::CompressedDelegationRecord::try_from_slice( + &value.compressed_data.compressed_delegation_record_bytes, + ).expect("Failed to deserialize CompressedDelegationRecord"); compressed_delegation_client::UndelegateBuilder::new() .payer(*validator) .delegated_account(value.delegated_account) .owner_program(value.owner_program) .system_program(system_program_id()) + .args(UndelegateArgs { + validity_proof: value.compressed_data.proof, + delegation_record_account_meta: value.compressed_data.account_meta, + compressed_delegated_record, + }) .add_remaining_accounts( &value.compressed_data.remaining_accounts, ) .instruction() }magicblock-committor-service/src/intent_executor/task_info_fetcher.rs (1)
233-251: Add a length sanity check before zipping to avoid silent truncation.
zip's graceful handling of different lengths hides and propagates errors when iterators have mismatched lengths. Each pair consists of one element from each of the original iterators, stopping when the shorter of the two iterators is exhausted.If
compressed_accounts.items.len() != pubkeys.len(), thezipwill silently truncate, causing trailing pubkeys to be lost without any error.Consider adding a length check:
+ if compressed_accounts.items.len() != pubkeys.len() { + return Err(TaskInfoFetcherError::IndexerError( + IndexerError::Custom(format!( + "Compressed accounts count mismatch: expected {}, got {}", + pubkeys.len(), + compressed_accounts.items.len() + )), + )); + } + let compressed_delegation_records = compressed_accounts .items .into_iter() .zip(pubkeys.iter())Alternatively, add a debug assertion if you trust the indexer to always return the correct count:
debug_assert_eq!( compressed_accounts.items.len(), pubkeys.len(), "Photon indexer returned unexpected number of items" );
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Actionable comments posted: 2
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⚠️ Outside diff range comments (2)
magicblock-chainlink/src/remote_account_provider/mod.rs (2)
937-1093: Fixfetch’s JoinSet aggregation to handleResultcorrectly and avoid type mismatch
fetch_from_rpcandfetch_from_photonnow return aRemoteAccountProviderResult<(FetchedRemoteAccounts, u64, u64)>, butfetchcurrently does:let ( remote_accounts_results, found_count, not_found_count, compressed_found_count, compressed_not_found_count, ) = join_set .join_all() .await .into_iter() .filter_map(|result| match result { Ok(result) => Some(result), Err(err) => { error!("Failed to fetch accounts: {err:?}"); None } }) .fold( (vec![], 0, 0, 0, 0), |acc, (accs, found_cnt, not_found_cnt)| { /* ... */ }, );Here
resultisResult<RemoteAccountProviderResult<_>, JoinError>, soOk(result)isRemoteAccountProviderResult<_>, not the(accs, found_cnt, not_found_cnt)tuple the fold expects. As written, this either won’t compile (ifRemoteAccountProviderResultis a Result alias, as elsewhere) or conflates error and success paths.You should unwrap both the join result and the inner
RemoteAccountProviderResultbefore folding, and log-and-skip failures (fetch tasks already notify waiters vianotify_error). For example:- ) = join_set - .join_all() - .await - .into_iter() - .filter_map(|result| match result { - Ok(result) => Some(result), - Err(err) => { - error!("Failed to fetch accounts: {err:?}"); - None - } - }) + ) = join_set + .join_all() + .await + .into_iter() + .filter_map(|result| match result { + // Task ran and fetch succeeded + Ok(Ok((accs, found_cnt, not_found_cnt))) => { + Some((accs, found_cnt, not_found_cnt)) + } + // Task ran but fetch returned an error (notify_error already signaled waiters) + Ok(Err(err)) => { + error!("Account fetch failed: {err:?}"); + None + } + // Join error (task panicked or was cancelled) + Err(err) => { + error!("Failed to join fetch task: {err:?}"); + None + } + }) .fold( (vec![], 0, 0, 0, 0), |( remote_accounts_results, found_count, not_found_count, compressed_found_count, compressed_not_found_count, ), (accs, found_cnt, not_found_cnt)| { match &accs { FetchedRemoteAccounts::Rpc(_) => ( [remote_accounts_results, vec![accs]].concat(), found_count + found_cnt, not_found_count + not_found_cnt, compressed_found_count, compressed_not_found_count, ), FetchedRemoteAccounts::Compressed(_) => ( [remote_accounts_results, vec![accs]].concat(), found_count, not_found_count, compressed_found_count + found_cnt, compressed_not_found_count + not_found_cnt, ), } }, );This keeps the aggregation logic intact, but correctly separates:
- Join errors,
- Fetch errors (already propagated to callers), and
- Successful fetches used for consolidation and metrics.
Without this fix, the function is type-incorrect and cannot safely distinguish success from failure.
Also applies to: 1096-1298, 1300-1337, 1339-1419
1109-1291:fetch_from_rpcerror handling and metrics are robust; final slot check is redundantThe refactored
fetch_from_rpc:
- Uses a retry loop with a clear
MAX_RETRIES,- Handles min-context-slot‑not‑reached (both standard and Helius codes) via the
retry!macro,- Notifies all pending requests on terminal failure with a specific
FailedFetchingAccountserror, and- Updates both generic and per-program fetch metrics on failure vs success.
The extra post-loop guard:
if response.context.slot < min_context_slot { ... }is technically redundant because the loop only
breaks whenslot >= min_context_slot, but it’s harmless; you could remove it later to simplify the code slightly.
♻️ Duplicate comments (3)
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs (1)
92-92: Fix spelling in inline comment (duplicate of prior nit)Minor typo in the existing comment:
immediateljky→immediately.- // Then immediateljky delegate to other authority (simulating same slot operation) + // Then immediately delegate to other authority (simulating same slot operation)magicblock-chainlink/src/chainlink/fetch_cloner.rs (1)
725-799: Bulk compressed-delegation fetch path now matches subscription semanticsThe classification into
owned_by_deleg_compressedand the subsequentCompressedDelegationRecord::try_from_slicehandling:
- Correctly recognizes accounts owned by the compressed delegation program,
- Marks them as
compressed,- Sets
lamports,owner, anddatafrom the record, and- Sets
delegatedbased on the record’s authority.This aligns the bulk-fetch path with the subscription-based path so compressed delegated accounts have consistent in‑bank state regardless of how they were first seen.
Also applies to: 813-823, 928-955
magicblock-chainlink/src/remote_account_provider/mod.rs (1)
1339-1419:consolidate_fetched_remote_accountscorrectly merges RPC and compressed results with safe fallbacksThe consolidation logic:
- Handles 0, 1, or 2
FetchedRemoteAccountssources, returning early for a single source,- When both RPC and compressed results are present, aligns them by index and:
- Prefers compressed data when both are
Found,- Falls back to whichever side is
Foundwhen the other isNotFound, and- Uses the max slot when both are
NotFound,- Logs and falls back to
rpc_accountsif lengths don’t match, and- Avoids panicking on unexpected
>2results, consistent with the “log and return safe data” preference in earlier discussions. Based on learnings, this matches the intended behavior.The additional
debug_assert!s are helpful to catch mismatches in debug/CI without affecting release behavior.
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📒 Files selected for processing (6)
magicblock-chainlink/src/chainlink/fetch_cloner.rs(20 hunks)magicblock-chainlink/src/remote_account_provider/mod.rs(29 hunks)magicblock-chainlink/tests/05_redeleg_other_same_slot.rs(3 hunks)magicblock-committor-service/src/intent_executor/mod.rs(17 hunks)magicblock-core/src/compression/mod.rs(1 hunks)test-integration/test-committor-service/tests/test_intent_executor.rs(12 hunks)
🧰 Additional context used
🧠 Learnings (18)
📓 Common learnings
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193
Timestamp: 2025-11-26T13:27:46.702Z
Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 578
File: magicblock-aperture/src/requests/websocket/account_subscribe.rs:18-27
Timestamp: 2025-10-21T14:00:54.642Z
Learning: In magicblock-aperture account_subscribe handler (src/requests/websocket/account_subscribe.rs), the RpcAccountInfoConfig fields data_slice, commitment, and min_context_slot are currently ignored—only encoding is applied. This is tracked as technical debt in issue #579: https://github.com/magicblock-labs/magicblock-validator/issues/579
📚 Learning: 2025-11-19T11:31:24.218Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Applied to files:
magicblock-core/src/compression/mod.rsmagicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rsmagicblock-chainlink/src/remote_account_provider/mod.rsmagicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-12-03T09:33:48.707Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Applied to files:
test-integration/test-committor-service/tests/test_intent_executor.rsmagicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rsmagicblock-chainlink/src/remote_account_provider/mod.rsmagicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-11-21T10:22:07.520Z
Learnt from: taco-paco
Repo: magicblock-labs/magicblock-validator PR: 661
File: magicblock-committor-service/src/intent_executor/single_stage_executor.rs:20-28
Timestamp: 2025-11-21T10:22:07.520Z
Learning: In magicblock-committor-service's SingleStageExecutor and TwoStageExecutor (single_stage_executor.rs and two_stage_executor.rs), the fields transaction_strategy, junk, and patched_errors are intentionally public because these executors are designed to be used independently outside of the IntentExecutor scope, and callers need access to these execution reports for cleanup and error handling.
Applied to files:
test-integration/test-committor-service/tests/test_intent_executor.rsmagicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-12-03T09:36:01.527Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/src/remote_account_provider/mod.rs:1350-1353
Timestamp: 2025-12-03T09:36:01.527Z
Learning: Repo: magicblock-labs/magicblock-validator
File: magicblock-chainlink/src/remote_account_provider/mod.rs
Context: consolidate_fetched_remote_accounts
Learning: For unexpected result counts (>2), the project prefers logging an error and returning an empty Vec over panicking; acceptable during development per maintainer (Dodecahedr0x).
Applied to files:
test-integration/test-committor-service/tests/test_intent_executor.rsmagicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rsmagicblock-chainlink/src/remote_account_provider/mod.rsmagicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-11-07T13:09:52.253Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 589
File: test-kit/src/lib.rs:275-0
Timestamp: 2025-11-07T13:09:52.253Z
Learning: In test-kit, the transaction scheduler in ExecutionTestEnv is not expected to shut down during tests. Therefore, using `.unwrap()` in test helper methods like `schedule_transaction` is acceptable and will not cause issues in the test environment.
Applied to files:
test-integration/test-committor-service/tests/test_intent_executor.rs
📚 Learning: 2025-11-19T09:34:37.917Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: test-integration/test-chainlink/tests/ix_remote_account_provider.rs:62-63
Timestamp: 2025-11-19T09:34:37.917Z
Learning: In test-integration/test-chainlink/tests/ix_remote_account_provider.rs and similar test files, the `_fwd_rx` receiver returned by `init_remote_account_provider()` is intentionally kept alive (but unused) to prevent "receiver dropped" errors on the sender side. The pattern `let (remote_account_provider, _fwd_rx) = init_remote_account_provider().await;` should NOT be changed to `let (remote_account_provider, _) = ...` because dropping the receiver would cause send() operations to fail.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rsmagicblock-chainlink/src/remote_account_provider/mod.rsmagicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-10-21T14:00:54.642Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 578
File: magicblock-aperture/src/requests/websocket/account_subscribe.rs:18-27
Timestamp: 2025-10-21T14:00:54.642Z
Learning: In magicblock-aperture account_subscribe handler (src/requests/websocket/account_subscribe.rs), the RpcAccountInfoConfig fields data_slice, commitment, and min_context_slot are currently ignored—only encoding is applied. This is tracked as technical debt in issue #579: https://github.com/magicblock-labs/magicblock-validator/issues/579
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rsmagicblock-chainlink/src/remote_account_provider/mod.rsmagicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-11-07T14:20:31.457Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: magicblock-chainlink/src/remote_account_provider/chain_pubsub_actor.rs:457-495
Timestamp: 2025-11-07T14:20:31.457Z
Learning: In magicblock-chainlink/src/remote_account_provider/chain_pubsub_client.rs, the unsubscribe closure returned by PubSubConnection::account_subscribe(...) resolves to () (unit), not a Result. Downstream code should not attempt to inspect an unsubscribe result and can optionally wrap it in a timeout to guard against hangs.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/src/remote_account_provider/mod.rs
📚 Learning: 2025-11-18T08:47:39.702Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rsmagicblock-chainlink/src/remote_account_provider/mod.rs
📚 Learning: 2025-12-01T16:02:05.367Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 703
File: magicblock-chainlink/src/submux/mod.rs:652-654
Timestamp: 2025-12-01T16:02:05.367Z
Learning: In magicblock-chainlink/src/submux/mod.rs, the subscribe_program method intentionally adds program_id to program_subs before attempting the subscription. This ensures that even if the initial subscription fails or only partially succeeds across clients, the reconnection logic will retry the subscription. This is a deliberate design pattern for resilience in the multi-client architecture and should not be "fixed" to remove entries on failure.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rsmagicblock-chainlink/src/remote_account_provider/mod.rsmagicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-11-25T11:07:20.001Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/programs/flexi-counter/src/processor.rs:643-680
Timestamp: 2025-11-25T11:07:20.001Z
Learning: In the compressed delegation architecture, ownership reassignment during undelegation is handled by the delegation program itself, not by the owner program's external undelegate handler. The external undelegate handler (e.g., `process_external_undelegate_compressed` in flexi-counter) is a callback for program-specific cleanup (restoring lamports and data) after the delegation program has already reassigned ownership back to the original owner stored in the CompressedDelegationRecord.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-10-26T16:53:29.820Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 587
File: magicblock-chainlink/src/remote_account_provider/mod.rs:134-0
Timestamp: 2025-10-26T16:53:29.820Z
Learning: In magicblock-chainlink/src/remote_account_provider/mod.rs, the `Endpoint::separate_pubsub_url_and_api_key()` method uses `split_once("?api-key=")` because the api-key parameter is always the only query parameter right after `?`. No additional query parameter parsing is needed for this use case.
Applied to files:
magicblock-chainlink/src/remote_account_provider/mod.rs
📚 Learning: 2025-11-07T13:20:13.793Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 589
File: magicblock-processor/src/scheduler/coordinator.rs:227-238
Timestamp: 2025-11-07T13:20:13.793Z
Learning: In magicblock-processor's ExecutionCoordinator (scheduler/coordinator.rs), the `account_contention` HashMap intentionally does not call `shrink_to_fit()`. Maintaining slack capacity is beneficial for performance by avoiding frequent reallocations during high transaction throughput. As long as empty entries are removed from the map (which `clear_account_contention` does), the capacity overhead is acceptable.
Applied to files:
magicblock-chainlink/src/remote_account_provider/mod.rs
📚 Learning: 2025-11-26T13:27:46.702Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193
Timestamp: 2025-11-26T13:27:46.702Z
Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.
Applied to files:
magicblock-chainlink/src/remote_account_provider/mod.rs
📚 Learning: 2025-11-20T08:57:07.217Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 650
File: magicblock-chainlink/src/submux/subscription_task.rs:13-99
Timestamp: 2025-11-20T08:57:07.217Z
Learning: In the magicblock-validator repository, avoid posting review comments that merely confirm code is correct or matches intended behavior without providing actionable feedback, suggestions for improvement, or identifying potential issues. Such confirmatory comments are considered unhelpful noise by the maintainers.
Applied to files:
magicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-11-21T11:03:26.756Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 664
File: magicblock-chainlink/src/testing/mod.rs:342-370
Timestamp: 2025-11-21T11:03:26.756Z
Learning: In the magicblock-validator codebase, avoid leaving review comments that merely acknowledge code is correct or well-structured when there is no actionable suggestion, improvement, or issue to flag. Only comment when there is something specific to recommend, fix, or clarify.
Applied to files:
magicblock-committor-service/src/intent_executor/mod.rs
📚 Learning: 2025-10-14T09:56:14.047Z
Learnt from: taco-paco
Repo: magicblock-labs/magicblock-validator PR: 564
File: test-integration/programs/flexi-counter/src/processor/call_handler.rs:122-125
Timestamp: 2025-10-14T09:56:14.047Z
Learning: The file test-integration/programs/flexi-counter/src/processor/call_handler.rs contains a test smart contract used for integration testing, not production code.
Applied to files:
magicblock-committor-service/src/intent_executor/mod.rs
🧬 Code graph analysis (3)
magicblock-core/src/compression/mod.rs (1)
test-integration/programs/flexi-counter/src/state.rs (1)
pda(45-48)
test-integration/test-committor-service/tests/test_intent_executor.rs (2)
magicblock-committor-service/src/intent_executor/mod.rs (1)
new(126-142)magicblock-committor-service/src/tasks/task_builder.rs (2)
finalize_tasks(59-63)finalize_tasks(171-391)
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs (3)
magicblock-chainlink/src/testing/accounts.rs (1)
account_shared_with_owner(4-10)magicblock-chainlink/src/testing/deleg.rs (1)
add_delegation_record_for(22-46)magicblock-chainlink/tests/utils/accounts.rs (2)
compressed_account_shared_with_owner_and_slot(21-48)default(58-64)
🔇 Additional comments (17)
magicblock-committor-service/src/intent_executor/mod.rs (4)
111-142: LGTM! Photon client integration is correct.The
photon_clientfield is properly added toIntentExecutorImpl, initialized in the constructor, and subsequently threaded through all execution paths. TheOption<Arc<PhotonIndexer>>type is appropriate for an optional, shared indexer.
250-256: Clone pattern is necessary here.The code clones
self.photon_clientbefore passing it to executor methods. This is required becauseSingleStageExecutor::new(self, ...)andTwoStageExecutor::new(self, ...)borrowselfmutably, preventing direct access toself.photon_clientduring the executor's lifetime. The clone creates an independent value that can be referenced.Also applies to: 303-308
561-571: Explicit error matching for compression inconsistency is correct.The error handling now explicitly matches
InconsistentTaskCompressionin both direct and wrapped forms, addressing the preference for explicit matching over catch-all patterns. This ensures compression validation failures are handled consistently across preparation and execution stages.Based on learnings, explicit error matching is preferred in this codebase.
372-450: Compressed field propagation is consistent.The
compressedfield is correctly propagated through allTransactionStrategyconstruction sites, including cleanup, commit/finalize splits, and error recovery paths. This ensures compression context is preserved throughout execution flows.Also applies to: 475-481
test-integration/test-committor-service/tests/test_intent_executor.rs (3)
15-15: PhotonIndexer plumbing in TestEnv and task builders looks coherentImporting
PhotonIndexerand threadingfixture.photon_client.clone()into bothCacheTaskInfoFetcher::newandIntentExecutorImpl::new, while passing&None::<Arc<PhotonIndexer>>intoTaskBuilderImpl::commit_tasks/finalize_tasksinsingle_flow_transaction_strategy, is internally consistent for these non-compressed test flows. If/when you want this suite to exercise Photon-based (compressed) paths, you can swap thoseNoneplaceholders for the samefixture.photon_clientthat TestEnv already wires into the executor. Also, the later use ofintent_executor.patched_errorsremains aligned with the executors’ intentionally public fields. Based on learnings, this matches the intended design of Single/TwoStageExecutor visibility.Also applies to: 88-92, 100-105, 973-992
148-155: Newprepare_and_execute_strategyarguments are used consistentlyAll call sites now pass
&None::<IntentPersisterImpl>,&None::<Arc<PhotonIndexer>>, and the trailingNonein line with the expandedprepare_and_execute_strategysignature, keeping these error-parsing tests focused on the RPC-only path. This looks correct as long as these tests are not meant to cover Photon-powered compressed flows.Also applies to: 199-206, 260-267, 318-325
138-139: Double-checkreload_all = falsesemantics infetch_next_commit_idsIn all four places where you pre-invalidate commit IDs/nonce cache for error tests,
fetch_next_commit_idsis called withreload_allset tofalse. Please confirm thatfalseis the intended mode for “invalidate then fetch” in the new API; iftrueforces a full reload-from-chain behavior, you might want that here to keep the tests’ semantics identical to the pre-flag behavior.Also applies to: 363-364, 551-552, 755-756
magicblock-core/src/compression/mod.rs (1)
30-37: Golden‑vector test for CDA derivation looks goodThis test nicely pins a concrete PDA→CDA mapping, so regressions in the derivation logic should be caught. Just be aware that if the on‑chain CDA derivation inputs (tree/program ID/hasher) ever change, this hard‑coded expected Pubkey will need to be updated accordingly.
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs (1)
108-197: Compressed same-slot redelegation test matches the intended flowThe new
test_undelegate_redelegate_to_other_in_same_slot_compressedmirrors the non-compressed test structure and lines up with the compressed-delegation design:
- Phase 1 correctly seeds Photon with a compressed delegation record via
compressed_account_shared_with_owner_and_slot(...), using the sameslotas the RPC mock, and leaves the RPCAccountminimal (with an inline comment clarifying the zero-lamport choice).- Phase 2 drives the undelegation → same-slot redelegation by:
- Calling
force_undelegationand assertingassert_remain_undelegating!.- Advancing the RPC slot and issuing
undelegation_requested.- Updating Photon with a new compressed record for
other_authorityat the same slot.- Pushing an on-chain account update owned by
compressed_delegation_client::id()throughsend_and_receive_account_updateand asserting the update was observed.- Final assertions check the delegated account is now cloned as “undelegated” relative to us and that only the delegated account is subscribed, not any compressed delegation record PDA, which is exactly what we want for compressed flows.
This ties in well with the existing helper semantics and the documented behavior that compressed delegation records are never directly subscribed. Based on learnings, this is aligned with the compressed delegation and Photon indexer patterns in the rest of the suite.
magicblock-chainlink/src/chainlink/fetch_cloner.rs (5)
48-72: GenericPhotonClientparameterization ofFetchClonerlooks consistentExtending
FetchClonertoFetchCloner<T, U, V, C, P>withP: PhotonClientand wiringremote_account_provider: Arc<RemoteAccountProvider<T, U, P>>throughnew()cleanly matches the updatedRemoteAccountProviderAPI and keeps the cloner generic over Photon implementations. No issues spotted here.Also applies to: 141-175
370-539: Compressed delegation subscription handling is coherent and safely falls back to PhotonThe new
owned_by_compressed_delegation_programbranch correctly:
- Detects compressed delegation owners,
- Tries to parse
CompressedDelegationRecordfrom the forwarded account data first,- Falls back to a
try_getfetch (Photon/RPC) when direct parsing fails, and- Updates the account’s
compressed,owner,data,lamports, anddelegatedfields plus returns a syntheticDelegationRecordwithcommit_frequency_ms = 0.This behavior mirrors the non‑compressed delegation path while respecting the “no separate compressed delegation record PDA” design. Logging on parse failure and returning
(None, None)on repeated failure is reasonable.
1269-1316: Compressed undelegating accounts correctly skip non-existent delegation-record fetchesIn
should_refresh_undelegating_in_bank_account, the added logging plus the early return whenin_bank.compressed()avoids callingfetch_and_parse_delegation_recordfor compressed accounts, which don’t have standalone delegation-record PDAs. For non‑compressed accounts, the existing delegation-record–based refresh logic is preserved. This matches the compressed delegation architecture and prevents pointless RPC/Photon work.
1814-1820:cancel_subsgeneric overPhotonClientis correctly updatedParameterizing
cancel_subsoverP: PhotonClientand accepting&Arc<RemoteAccountProvider<T, U, P>>keeps the helper aligned with the newRemoteAccountProvidertype without changing behavior.
1907-1933: Test wiring forPhotonClientMockandFetchClonergenerics is soundThe test context now instantiates:
RemoteAccountProvider<ChainRpcClientMock, ChainPubsubClientMock, PhotonClientMock>andFetchCloner<ChainRpcClientMock, ChainPubsubClientMock, AccountsBankStub, ClonerStub, PhotonClientMock>passing
None::<PhotonClientMock>where Photon is unused. The_-based closure type inspawn_fetch_taskstill type-checks with the extra generic. This keeps existing tests valid while accommodating the new Photon parameter.Also applies to: 1974-1997, 2009-2084, 2819-2833
magicblock-chainlink/src/remote_account_provider/mod.rs (3)
90-133: Photon integration andEndpoint::Compressionwiring are well-structuredYou:
- Extended
RemoteAccountProvidertoRemoteAccountProvider<T, U, P>withP: PhotonClientand an optionalphoton_clientfield,- Introduced
Endpoint::Compression { url }and enforce at most one compression endpoint (returning a structured error otherwise),- Threaded
Pthroughtry_from_urls_and_config,try_from_clients_and_mode,new, andtry_new_from_urls, and- Properly build
PhotonClientImplfromCompressionendpoints while still requiring at least oneRpcendpoint.This keeps Photon completely optional but first-class when configured, and matches the existing lifecycle/config patterns.
Also applies to: 154-204, 305-361, 363-461
852-863: Centralized removal notifications keep LRU and upstream state in syncExtracting
send_removal_updateand using it from bothregister_subscription(evictions) andunsubscribe:
- Avoids duplication around the
removed_account_txsend,- Ensures LRU evictions and explicit unsubs both notify upstream consistently, and
- Preserves the “don’t remove from LRU if pubsub unsubscribe failed” invariant.
Behavior remains correct while being a bit cleaner.
Also applies to: 893-929
2018-2089: Compressed/RPC mixed-account tests provide good coverage of consolidation and source taggingThe new helpers and tests:
setup_with_mixed_accountswires aRemoteAccountProvider<ChainRpcClientMock, ChainPubsubClientMock, PhotonClientMock>with both RPC and Photon mocks.assert_compressed_account!andassert_regular_account!validateRemoteAccountUpdateSourceand lamports/data shape.test_multiple_photon_accounts,test_multiple_mixed_accounts, andtest_multiple_mixed_accounts_some_missingexercise:
- Pure compressed fetches,
- Mixed RPC+compressed keys and ordering,
- Missing compressed or RPC entries, and
- Subsequent single-key
try_getbehavior.These tests nicely validate the consolidation logic and ensure compressed accounts are tagged as
Compressedwhile regular ones remainFetch. No issues found.Also applies to: 2091-2271
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Actionable comments posted: 1
♻️ Duplicate comments (1)
magicblock-core/src/compression/mod.rs (1)
5-6: Hardcoded ADDRESS_TREE may be environment-specific.This concern was raised in the previous review. Verify that
ADDRESS_TREEandcompressed_delegation_client::IDare correct for all target environments (devnet, testnet, mainnet). If different environments require different values, consider making these configurable or documenting the invariant.
📜 Review details
Configuration used: Path: .coderabbit.yaml
Review profile: ASSERTIVE
Plan: Pro
📒 Files selected for processing (3)
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs(2 hunks)magicblock-core/src/compression/mod.rs(1 hunks)test-integration/test-tools/src/validator.rs(3 hunks)
🧰 Additional context used
🧠 Learnings (10)
📓 Common learnings
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193
Timestamp: 2025-11-26T13:27:46.702Z
Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
📚 Learning: 2025-12-03T09:33:48.707Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Applied to files:
magicblock-core/src/compression/mod.rstest-integration/test-tools/src/validator.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-12-03T09:36:01.527Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/src/remote_account_provider/mod.rs:1350-1353
Timestamp: 2025-12-03T09:36:01.527Z
Learning: Repo: magicblock-labs/magicblock-validator
File: magicblock-chainlink/src/remote_account_provider/mod.rs
Context: consolidate_fetched_remote_accounts
Learning: For unexpected result counts (>2), the project prefers logging an error and returning an empty Vec over panicking; acceptable during development per maintainer (Dodecahedr0x).
Applied to files:
magicblock-core/src/compression/mod.rstest-integration/test-tools/src/validator.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-11-19T12:55:48.931Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-tools/src/validator.rs:193-197
Timestamp: 2025-11-19T12:55:48.931Z
Learning: In the magicblock-validator codebase, when constructing arguments for the light CLI test validator in start_light_validator_with_config (test-integration/test-tools/src/validator.rs), the shlex::split approach is necessary because the light CLI does not handle whitespaces properly in validator arguments. The string concatenation + shlex parsing pattern should not be refactored to direct argument construction in this specific case.
Applied to files:
magicblock-core/src/compression/mod.rstest-integration/test-tools/src/validator.rs
📚 Learning: 2025-11-19T11:31:24.218Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Applied to files:
magicblock-core/src/compression/mod.rstest-integration/test-tools/src/validator.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-10-21T14:00:54.642Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 578
File: magicblock-aperture/src/requests/websocket/account_subscribe.rs:18-27
Timestamp: 2025-10-21T14:00:54.642Z
Learning: In magicblock-aperture account_subscribe handler (src/requests/websocket/account_subscribe.rs), the RpcAccountInfoConfig fields data_slice, commitment, and min_context_slot are currently ignored—only encoding is applied. This is tracked as technical debt in issue #579: https://github.com/magicblock-labs/magicblock-validator/issues/579
Applied to files:
magicblock-core/src/compression/mod.rstest-integration/test-tools/src/validator.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-11-18T08:47:39.702Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Applied to files:
test-integration/test-tools/src/validator.rsmagicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-11-25T11:07:20.001Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/programs/flexi-counter/src/processor.rs:643-680
Timestamp: 2025-11-25T11:07:20.001Z
Learning: In the compressed delegation architecture, ownership reassignment during undelegation is handled by the delegation program itself, not by the owner program's external undelegate handler. The external undelegate handler (e.g., `process_external_undelegate_compressed` in flexi-counter) is a callback for program-specific cleanup (restoring lamports and data) after the delegation program has already reassigned ownership back to the original owner stored in the CompressedDelegationRecord.
Applied to files:
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-11-19T09:34:37.917Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: test-integration/test-chainlink/tests/ix_remote_account_provider.rs:62-63
Timestamp: 2025-11-19T09:34:37.917Z
Learning: In test-integration/test-chainlink/tests/ix_remote_account_provider.rs and similar test files, the `_fwd_rx` receiver returned by `init_remote_account_provider()` is intentionally kept alive (but unused) to prevent "receiver dropped" errors on the sender side. The pattern `let (remote_account_provider, _fwd_rx) = init_remote_account_provider().await;` should NOT be changed to `let (remote_account_provider, _) = ...` because dropping the receiver would cause send() operations to fail.
Applied to files:
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs
📚 Learning: 2025-12-01T16:02:05.367Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 703
File: magicblock-chainlink/src/submux/mod.rs:652-654
Timestamp: 2025-12-01T16:02:05.367Z
Learning: In magicblock-chainlink/src/submux/mod.rs, the subscribe_program method intentionally adds program_id to program_subs before attempting the subscription. This ensures that even if the initial subscription fails or only partially succeeds across clients, the reconnection logic will retry the subscription. This is a deliberate design pattern for resilience in the multi-client architecture and should not be "fixed" to remove entries on failure.
Applied to files:
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs
🧬 Code graph analysis (1)
magicblock-chainlink/tests/05_redeleg_other_same_slot.rs (2)
magicblock-chainlink/src/testing/utils.rs (1)
init_logger(58-66)magicblock-chainlink/tests/utils/accounts.rs (2)
account_shared_with_owner_and_slot(11-19)compressed_account_shared_with_owner_and_slot(21-48)
🔇 Additional comments (7)
magicblock-core/src/compression/mod.rs (2)
8-22: LGTM!The previous review concerns have been addressed:
- Typo fixed ("delegation" on line 11)
expectwith clear message instead ofunwrap(line 15)The implementation correctly follows Light Protocol patterns for CDA derivation.
30-38: LGTM!The test provides regression coverage for the deterministic CDA derivation. Using
pubkey!macro ensures compile-time validation of the test addresses.magicblock-chainlink/tests/05_redeleg_other_same_slot.rs (3)
11-25: LGTM - Import style is now consistent.The previous review comment about inconsistent import styles (
utils::...vscrate::utils::...) has been addressed. All local utility imports now use theutils::prefix consistently.
110-150: Well-structured test setup for compressed delegation flow.The test correctly:
- Extracts
photon_clientfor compressed account management.- Uses
compressed_account_shared_with_owner_and_slotwhich sets both theAccountSharedDataremote slot and thedelegation_slotin theCompressedDelegationRecord.- Only checks
&pubkeyinassert_not_subscribed!(line 149), which is correct since compressed delegation records are never subscribed to by design.Based on learnings, both slot fields need to be set, and this helper handles that correctly.
152-199: Correct compressed redelegation flow implementation.The redelegation simulation properly:
- Updates the compressed account in
photon_clientwith the newother_authority(lines 170-178).- Updates the on-chain account owner to
compressed_delegation_client::id()(line 183).- Sends subscription update to trigger the redelegation detection (lines 185-192).
The final assertions correctly verify the account is cloned as undelegated (delegated to another authority) and subscribed without a delegation record, matching the expected behavior for the compressed path.
test-integration/test-tools/src/validator.rs (2)
92-99: Shared devnet_accounts helper keeps test-validator account wiring consistent.Refactoring to
devnet_accounts(loaded_accounts)here removes duplication and ensures the solana test-validator and light-based validator share the same default account set; the iterator chaining withextra_accountsis type-safe and correct.
405-440: devnet_accounts helper is consistent and suitable for test setup.The helper cleanly centralizes the four authority/vault accounts plus the four non-delegated cloneable test accounts, and its usage in both validator startup paths keeps the account set aligned. No behavioral issues spotted.
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Actionable comments posted: 1
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magicblock-chainlink/src/chainlink/fetch_cloner.rs (1)
2823-2837: Deduplication test helper uses generic closure parameter.The closure parameter type
&Arc<FetchCloner<_, _, _, _, _>>works correctly but uses type inference. Per past review discussion, this is out of scope for this PR.
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Review profile: ASSERTIVE
Plan: Pro
📒 Files selected for processing (1)
magicblock-chainlink/src/chainlink/fetch_cloner.rs(20 hunks)
🧰 Additional context used
🧠 Learnings (10)
📓 Common learnings
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193
Timestamp: 2025-11-26T13:27:46.702Z
Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.
📚 Learning: 2025-12-03T09:33:48.707Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-12-03T09:36:01.527Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/src/remote_account_provider/mod.rs:1350-1353
Timestamp: 2025-12-03T09:36:01.527Z
Learning: Repo: magicblock-labs/magicblock-validator
File: magicblock-chainlink/src/remote_account_provider/mod.rs
Context: consolidate_fetched_remote_accounts
Learning: For unexpected result counts (>2), the project prefers logging an error and returning an empty Vec over panicking; acceptable during development per maintainer (Dodecahedr0x).
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-11-19T11:31:24.218Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-11-18T08:47:39.702Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-11-19T09:34:37.917Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: test-integration/test-chainlink/tests/ix_remote_account_provider.rs:62-63
Timestamp: 2025-11-19T09:34:37.917Z
Learning: In test-integration/test-chainlink/tests/ix_remote_account_provider.rs and similar test files, the `_fwd_rx` receiver returned by `init_remote_account_provider()` is intentionally kept alive (but unused) to prevent "receiver dropped" errors on the sender side. The pattern `let (remote_account_provider, _fwd_rx) = init_remote_account_provider().await;` should NOT be changed to `let (remote_account_provider, _) = ...` because dropping the receiver would cause send() operations to fail.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-10-21T14:00:54.642Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 578
File: magicblock-aperture/src/requests/websocket/account_subscribe.rs:18-27
Timestamp: 2025-10-21T14:00:54.642Z
Learning: In magicblock-aperture account_subscribe handler (src/requests/websocket/account_subscribe.rs), the RpcAccountInfoConfig fields data_slice, commitment, and min_context_slot are currently ignored—only encoding is applied. This is tracked as technical debt in issue #579: https://github.com/magicblock-labs/magicblock-validator/issues/579
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-11-07T14:20:31.457Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: magicblock-chainlink/src/remote_account_provider/chain_pubsub_actor.rs:457-495
Timestamp: 2025-11-07T14:20:31.457Z
Learning: In magicblock-chainlink/src/remote_account_provider/chain_pubsub_client.rs, the unsubscribe closure returned by PubSubConnection::account_subscribe(...) resolves to () (unit), not a Result. Downstream code should not attempt to inspect an unsubscribe result and can optionally wrap it in a timeout to guard against hangs.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-12-01T16:02:05.367Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 703
File: magicblock-chainlink/src/submux/mod.rs:652-654
Timestamp: 2025-12-01T16:02:05.367Z
Learning: In magicblock-chainlink/src/submux/mod.rs, the subscribe_program method intentionally adds program_id to program_subs before attempting the subscription. This ensures that even if the initial subscription fails or only partially succeeds across clients, the reconnection logic will retry the subscription. This is a deliberate design pattern for resilience in the multi-client architecture and should not be "fixed" to remove entries on failure.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
📚 Learning: 2025-11-25T11:07:20.001Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/programs/flexi-counter/src/processor.rs:643-680
Timestamp: 2025-11-25T11:07:20.001Z
Learning: In the compressed delegation architecture, ownership reassignment during undelegation is handled by the delegation program itself, not by the owner program's external undelegate handler. The external undelegate handler (e.g., `process_external_undelegate_compressed` in flexi-counter) is a callback for program-specific cleanup (restoring lamports and data) after the delegation program has already reassigned ownership back to the original owner stored in the CompressedDelegationRecord.
Applied to files:
magicblock-chainlink/src/chainlink/fetch_cloner.rs
🔇 Additional comments (7)
magicblock-chainlink/src/chainlink/fetch_cloner.rs (7)
10-11: LGTM: Generic parameter and imports correctly added.The addition of
PhotonClientgeneric parameterPand the necessary imports for compressed delegation support are properly integrated into theFetchClonerstruct and its fields.Also applies to: 35-35, 49-72
525-525: TODO comment documents known limitation.The comment acknowledges that
commit_frequency_msis not supported for compressed delegation records. This is acceptable if this is a known architectural constraint.
928-959: LGTM: Bulk fetch path now consistent with subscription path.The compressed delegation handling in the bulk fetch path now properly sets all account fields:
set_compressed(true)(line 943)set_lamports(delegation_record.lamports)(line 944)set_owner(delegation_record.owner)(line 945)set_data(delegation_record.data)(line 946)set_delegated(...)(lines 947-951)This aligns with the subscription path (lines 516-523), ensuring consistent behavior regardless of fetch origin. Based on learnings, this addresses the previous review concern.
1278-1327: LGTM: Undelegation refresh correctly handles compressed accounts.The logic properly branches on
in_bank.compressed()(line 1285):
- Compressed path: Returns
RefreshDecision::Noimmediately (line 1287), skipping delegation record fetch since the record is embedded in the account itself.- Non-compressed path: Fetches and validates delegation record as before (lines 1289-1320).
This aligns with the architecture where compressed delegation records are self-contained. Based on learnings, compressed delegation records are never subscribed to by design.
1690-1719: LGTM: Airdrop utility provides safe best-effort account creation.The implementation correctly:
- Short-circuits for zero lamports (line 1696)
- Preserves existing funded accounts (lines 1698-1701)
- Creates a plain system account (line 1705)
- Uses the standard cloner path for consistency (lines 1710-1717)
The "best-effort" semantics and debug logging make this a safe utility function.
1818-1823: LGTM: cancel_subs signature updated for PhotonClient generic.The function signature correctly adds the
P: PhotonClientgeneric parameter to match the updatedRemoteAccountProvider<T, U, P>type. The function body remains unchanged.
1911-1911: LGTM: Test infrastructure updated for PhotonClient generic.The test scaffolding correctly:
- Imports
PhotonClientMock(line 1911)- Updates type aliases to include the
PhotonClientMockparameter (lines 1917-1928, 1978-2001)- Passes
None::<PhotonClientMock>toRemoteAccountProvider::new(line 2038)- Updates
init_fetch_clonerto use the parameterized types (lines 2065-2087)Tests now compile and maintain compatibility with the new generic parameter.
Also applies to: 1978-2001, 2038-2038, 2065-2087
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Actionable comments posted: 1
📜 Review details
Configuration used: Path: .coderabbit.yaml
Review profile: ASSERTIVE
Plan: Pro
⛔ Files ignored due to path filters (2)
Cargo.lockis excluded by!**/*.locktest-integration/Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (4)
Cargo.toml(5 hunks)magicblock-api/src/magic_validator.rs(6 hunks)magicblock-metrics/src/metrics/mod.rs(5 hunks)test-integration/Cargo.toml(2 hunks)
🧰 Additional context used
🧠 Learnings (20)
📓 Common learnings
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193
Timestamp: 2025-11-26T13:27:46.702Z
Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
📚 Learning: 2025-12-03T09:33:48.707Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rstest-integration/Cargo.tomlCargo.toml
📚 Learning: 2025-10-21T14:00:54.642Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 578
File: magicblock-aperture/src/requests/websocket/account_subscribe.rs:18-27
Timestamp: 2025-10-21T14:00:54.642Z
Learning: In magicblock-aperture account_subscribe handler (src/requests/websocket/account_subscribe.rs), the RpcAccountInfoConfig fields data_slice, commitment, and min_context_slot are currently ignored—only encoding is applied. This is tracked as technical debt in issue #579: https://github.com/magicblock-labs/magicblock-validator/issues/579
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rsCargo.toml
📚 Learning: 2025-11-26T13:27:46.702Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193
Timestamp: 2025-11-26T13:27:46.702Z
Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.
Applied to files:
magicblock-api/src/magic_validator.rs
📚 Learning: 2025-11-19T11:31:24.218Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rsCargo.toml
📚 Learning: 2025-12-03T09:36:01.527Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/src/remote_account_provider/mod.rs:1350-1353
Timestamp: 2025-12-03T09:36:01.527Z
Learning: Repo: magicblock-labs/magicblock-validator
File: magicblock-chainlink/src/remote_account_provider/mod.rs
Context: consolidate_fetched_remote_accounts
Learning: For unexpected result counts (>2), the project prefers logging an error and returning an empty Vec over panicking; acceptable during development per maintainer (Dodecahedr0x).
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rstest-integration/Cargo.tomlCargo.toml
📚 Learning: 2025-11-21T11:03:26.756Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 664
File: magicblock-chainlink/src/testing/mod.rs:342-370
Timestamp: 2025-11-21T11:03:26.756Z
Learning: In the magicblock-validator codebase, avoid leaving review comments that merely acknowledge code is correct or well-structured when there is no actionable suggestion, improvement, or issue to flag. Only comment when there is something specific to recommend, fix, or clarify.
Applied to files:
magicblock-api/src/magic_validator.rstest-integration/Cargo.tomlCargo.toml
📚 Learning: 2025-11-20T08:57:07.217Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 650
File: magicblock-chainlink/src/submux/subscription_task.rs:13-99
Timestamp: 2025-11-20T08:57:07.217Z
Learning: In the magicblock-validator repository, avoid posting review comments that merely confirm code is correct or matches intended behavior without providing actionable feedback, suggestions for improvement, or identifying potential issues. Such confirmatory comments are considered unhelpful noise by the maintainers.
Applied to files:
magicblock-api/src/magic_validator.rstest-integration/Cargo.tomlCargo.toml
📚 Learning: 2025-11-18T08:47:39.702Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rs
📚 Learning: 2025-11-19T12:55:48.931Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-tools/src/validator.rs:193-197
Timestamp: 2025-11-19T12:55:48.931Z
Learning: In the magicblock-validator codebase, when constructing arguments for the light CLI test validator in start_light_validator_with_config (test-integration/test-tools/src/validator.rs), the shlex::split approach is necessary because the light CLI does not handle whitespaces properly in validator arguments. The string concatenation + shlex parsing pattern should not be refactored to direct argument construction in this specific case.
Applied to files:
magicblock-api/src/magic_validator.rsCargo.toml
📚 Learning: 2025-11-07T14:20:31.457Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: magicblock-chainlink/src/remote_account_provider/chain_pubsub_actor.rs:457-495
Timestamp: 2025-11-07T14:20:31.457Z
Learning: In magicblock-chainlink/src/remote_account_provider/chain_pubsub_client.rs, the unsubscribe closure returned by PubSubConnection::account_subscribe(...) resolves to () (unit), not a Result. Downstream code should not attempt to inspect an unsubscribe result and can optionally wrap it in a timeout to guard against hangs.
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rsCargo.toml
📚 Learning: 2025-12-01T16:02:05.367Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 703
File: magicblock-chainlink/src/submux/mod.rs:652-654
Timestamp: 2025-12-01T16:02:05.367Z
Learning: In magicblock-chainlink/src/submux/mod.rs, the subscribe_program method intentionally adds program_id to program_subs before attempting the subscription. This ensures that even if the initial subscription fails or only partially succeeds across clients, the reconnection logic will retry the subscription. This is a deliberate design pattern for resilience in the multi-client architecture and should not be "fixed" to remove entries on failure.
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rsCargo.toml
📚 Learning: 2025-11-19T09:34:37.917Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: test-integration/test-chainlink/tests/ix_remote_account_provider.rs:62-63
Timestamp: 2025-11-19T09:34:37.917Z
Learning: In test-integration/test-chainlink/tests/ix_remote_account_provider.rs and similar test files, the `_fwd_rx` receiver returned by `init_remote_account_provider()` is intentionally kept alive (but unused) to prevent "receiver dropped" errors on the sender side. The pattern `let (remote_account_provider, _fwd_rx) = init_remote_account_provider().await;` should NOT be changed to `let (remote_account_provider, _) = ...` because dropping the receiver would cause send() operations to fail.
Applied to files:
magicblock-api/src/magic_validator.rsmagicblock-metrics/src/metrics/mod.rsCargo.toml
📚 Learning: 2025-10-26T16:53:29.820Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 587
File: magicblock-chainlink/src/remote_account_provider/mod.rs:134-0
Timestamp: 2025-10-26T16:53:29.820Z
Learning: In magicblock-chainlink/src/remote_account_provider/mod.rs, the `Endpoint::separate_pubsub_url_and_api_key()` method uses `split_once("?api-key=")` because the api-key parameter is always the only query parameter right after `?`. No additional query parameter parsing is needed for this use case.
Applied to files:
magicblock-api/src/magic_validator.rs
📚 Learning: 2025-11-24T14:21:00.996Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: Cargo.toml:58-58
Timestamp: 2025-11-24T14:21:00.996Z
Learning: In the magicblock-validator codebase, magicblock-api/Cargo.toml intentionally uses borsh = "1.5.3" (instead of the workspace version 0.10.4) because it needs to deserialize types from the magic-domain-program external dependency, which requires borsh 1.5.x compatibility. This is an intentional exception for interoperability with the magic domain program.
Applied to files:
test-integration/Cargo.tomlCargo.toml
📚 Learning: 2025-11-24T08:45:11.164Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 675
File: Cargo.toml:145-145
Timestamp: 2025-11-24T08:45:11.164Z
Learning: The reqwest dependency version 0.11 is intentionally used in the magicblock-validator project to maintain compatibility with the Solana client dependencies.
Applied to files:
test-integration/Cargo.tomlCargo.toml
📚 Learning: 2025-10-28T13:15:42.706Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 596
File: magicblock-processor/src/scheduler.rs:1-1
Timestamp: 2025-10-28T13:15:42.706Z
Learning: In magicblock-processor, transaction indexes were always set to 0 even before the changes in PR #596. The proper transaction indexing within slots will be addressed during the planned ledger rewrite.
Applied to files:
Cargo.toml
📚 Learning: 2025-10-21T13:06:38.900Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 578
File: magicblock-aperture/src/requests/http/get_program_accounts.rs:17-25
Timestamp: 2025-10-21T13:06:38.900Z
Learning: The magicblock validator does not support ledger forking, so commitment-based state queries (processed/confirmed/finalized) are not applicable. RPC methods can safely ignore commitment and minContextSlot parameters from Solana RPC config objects.
Applied to files:
Cargo.toml
📚 Learning: 2025-10-26T16:54:39.084Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 587
File: test-manual/Cargo.toml:0-0
Timestamp: 2025-10-26T16:54:39.084Z
Learning: In the magicblock-validator repository, use git branch references (not commit hashes or tags) for the helius-laserstream dependency to allow automatic updates when the branch is pushed to.
Applied to files:
Cargo.toml
📚 Learning: 2025-11-04T13:22:38.811Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 589
File: magicblock-aperture/src/requests/http/get_fee_for_message.rs:25-31
Timestamp: 2025-11-04T13:22:38.811Z
Learning: In magicblock-aperture, request size validation (including limits on message size) is enforced at the request ingestion layer, before handlers like get_fee_for_message are invoked. Therefore, handlers do not need additional size guards on decoded data.
Applied to files:
Cargo.toml
🧬 Code graph analysis (1)
magicblock-api/src/magic_validator.rs (2)
magicblock-chainlink/src/remote_account_provider/photon_client.rs (1)
new(27-29)magicblock-chainlink/src/remote_account_provider/mod.rs (1)
new(314-367)
🔇 Additional comments (6)
magicblock-metrics/src/metrics/mod.rs (5)
254-286: LGTM! Compressed account fetch metrics follow established pattern.The new compressed account fetch metrics mirror the existing
ACCOUNT_FETCHES_*metrics structure exactly, using consistent naming, labels, and help text. This parallel design will make it easy for operators to compare compressed vs. non-compressed fetch behavior in dashboards.
374-376: LGTM! Internal counter with clear, descriptive naming.The
TASK_INFO_FETCHER_COMPRESSED_COUNTfollows the established pattern for internal counters. The "COMPRESSED" suffix is more descriptive than the arbitrary "A/B" naming used elsewhere, making it immediately clear what this counter tracks.
461-464: LGTM! All compressed fetch metrics properly registered.The four new compressed account fetch metrics are correctly registered using the standard
register!macro pattern.
472-472: LGTM! Internal compressed counter properly registered.The
TASK_INFO_FETCHER_COMPRESSED_COUNTis correctly registered alongside the other task info fetcher metrics.
720-722: LGTM! Public helper for compressed task counter.The
inc_task_info_fetcher_compressed_count()function provides clean public access to the internal counter and follows the established pattern. The "compressed" suffix in the name makes it self-documenting, which is clearer than the "A/B" naming convention used elsewhere.test-integration/Cargo.toml (1)
45-50: Verify light-protocol rev consistency for shared dependenciesFive of the six
light-*crates here (light-client,light-compressed-account,light-hasher,light-sdk,light-sdk-types) are also declared in the rootCargo.tomland all use matching revisions (rev = "849e6aa"). Thelight-batched-merkle-treecrate appears only in this workspace. To prevent divergence when updating the light-protocol revision, ensure both manifests are kept in sync when bumping the rev.
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Actionable comments posted: 2
♻️ Duplicate comments (1)
test-integration/test-chainlink/src/ixtest_context.rs (1)
457-479: FixPackedAddressTreeInfo.address_queue_pubkey_indexto point to the queue account, not the tree.
address_queue_pubkey_indexmust reference the Address Queue account (indexed bystate_queue_pubkey_index), not the Address Merkle Tree account. The current code sets bothaddress_merkle_tree_pubkey_indexandaddress_queue_pubkey_indexto the same index, causing Light Protocol's CPI to treat the queue and tree as the same account, which breaks address creation operations.let packed_address_tree_info = PackedAddressTreeInfo { root_index: rpc_result.addresses[0].root_index, address_merkle_tree_pubkey_index, - address_queue_pubkey_index: address_merkle_tree_pubkey_index, + address_queue_pubkey_index: state_queue_pubkey_index, };Note: The same issue exists in
test-integration/test-committor-service/tests/utils/instructions.rs(identical pattern and fix required).
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📒 Files selected for processing (1)
test-integration/test-chainlink/src/ixtest_context.rs(9 hunks)
🧰 Additional context used
🧠 Learnings (11)
📓 Common learnings
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193
Timestamp: 2025-11-26T13:27:46.702Z
Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/programs/flexi-counter/src/processor.rs:643-680
Timestamp: 2025-11-25T11:07:20.001Z
Learning: In the compressed delegation architecture, ownership reassignment during undelegation is handled by the delegation program itself, not by the owner program's external undelegate handler. The external undelegate handler (e.g., `process_external_undelegate_compressed` in flexi-counter) is a callback for program-specific cleanup (restoring lamports and data) after the delegation program has already reassigned ownership back to the original owner stored in the CompressedDelegationRecord.
📚 Learning: 2025-12-03T09:33:48.707Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881
Timestamp: 2025-12-03T09:33:48.707Z
Learning: Repo: magicblock-labs/magicblock-validator PR: 639
Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local)
Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-11-19T09:34:37.917Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: test-integration/test-chainlink/tests/ix_remote_account_provider.rs:62-63
Timestamp: 2025-11-19T09:34:37.917Z
Learning: In test-integration/test-chainlink/tests/ix_remote_account_provider.rs and similar test files, the `_fwd_rx` receiver returned by `init_remote_account_provider()` is intentionally kept alive (but unused) to prevent "receiver dropped" errors on the sender side. The pattern `let (remote_account_provider, _fwd_rx) = init_remote_account_provider().await;` should NOT be changed to `let (remote_account_provider, _) = ...` because dropping the receiver would cause send() operations to fail.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-10-14T09:56:14.047Z
Learnt from: taco-paco
Repo: magicblock-labs/magicblock-validator PR: 564
File: test-integration/programs/flexi-counter/src/processor/call_handler.rs:122-125
Timestamp: 2025-10-14T09:56:14.047Z
Learning: The file test-integration/programs/flexi-counter/src/processor/call_handler.rs contains a test smart contract used for integration testing, not production code.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-10-21T14:00:54.642Z
Learnt from: bmuddha
Repo: magicblock-labs/magicblock-validator PR: 578
File: magicblock-aperture/src/requests/websocket/account_subscribe.rs:18-27
Timestamp: 2025-10-21T14:00:54.642Z
Learning: In magicblock-aperture account_subscribe handler (src/requests/websocket/account_subscribe.rs), the RpcAccountInfoConfig fields data_slice, commitment, and min_context_slot are currently ignored—only encoding is applied. This is tracked as technical debt in issue #579: https://github.com/magicblock-labs/magicblock-validator/issues/579
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-11-07T14:20:31.457Z
Learnt from: thlorenz
Repo: magicblock-labs/magicblock-validator PR: 621
File: magicblock-chainlink/src/remote_account_provider/chain_pubsub_actor.rs:457-495
Timestamp: 2025-11-07T14:20:31.457Z
Learning: In magicblock-chainlink/src/remote_account_provider/chain_pubsub_client.rs, the unsubscribe closure returned by PubSubConnection::account_subscribe(...) resolves to () (unit), not a Result. Downstream code should not attempt to inspect an unsubscribe result and can optionally wrap it in a timeout to guard against hangs.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-12-03T09:36:01.527Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/src/remote_account_provider/mod.rs:1350-1353
Timestamp: 2025-12-03T09:36:01.527Z
Learning: Repo: magicblock-labs/magicblock-validator
File: magicblock-chainlink/src/remote_account_provider/mod.rs
Context: consolidate_fetched_remote_accounts
Learning: For unexpected result counts (>2), the project prefers logging an error and returning an empty Vec over panicking; acceptable during development per maintainer (Dodecahedr0x).
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-11-18T08:47:39.702Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: magicblock-chainlink/tests/04_redeleg_other_separate_slots.rs:158-165
Timestamp: 2025-11-18T08:47:39.702Z
Learning: In magicblock-chainlink tests involving compressed accounts, `set_remote_slot()` sets the slot of the `AccountSharedData`, while `compressed_account_shared_with_owner_and_slot()` sets the slot of the delegation record. These are two different fields and both calls are necessary.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-11-19T11:31:24.218Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/test-chainlink/tests/ix_01_ensure-accounts.rs:85-114
Timestamp: 2025-11-19T11:31:24.218Z
Learning: In the magicblock-validator codebase, compressed delegation records are never subscribed to by design. Tests for compressed delegation flows should focus on verifying that the delegated account (e.g., counter PDA) is cloned as delegated and not subscribed, but do not need to check for subscription to delegation-record-like PDAs in the compressed path because subscriptions to compressed delegation records never occur.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-11-24T14:21:00.996Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: Cargo.toml:58-58
Timestamp: 2025-11-24T14:21:00.996Z
Learning: In the magicblock-validator codebase, magicblock-api/Cargo.toml intentionally uses borsh = "1.5.3" (instead of the workspace version 0.10.4) because it needs to deserialize types from the magic-domain-program external dependency, which requires borsh 1.5.x compatibility. This is an intentional exception for interoperability with the magic domain program.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
📚 Learning: 2025-11-25T11:07:20.001Z
Learnt from: Dodecahedr0x
Repo: magicblock-labs/magicblock-validator PR: 639
File: test-integration/programs/flexi-counter/src/processor.rs:643-680
Timestamp: 2025-11-25T11:07:20.001Z
Learning: In the compressed delegation architecture, ownership reassignment during undelegation is handled by the delegation program itself, not by the owner program's external undelegate handler. The external undelegate handler (e.g., `process_external_undelegate_compressed` in flexi-counter) is a callback for program-specific cleanup (restoring lamports and data) after the delegation program has already reassigned ownership back to the original owner stored in the CompressedDelegationRecord.
Applied to files:
test-integration/test-chainlink/src/ixtest_context.rs
🔇 Additional comments (3)
test-integration/test-chainlink/src/ixtest_context.rs (3)
65-90: Good wiring of Photon client/indexer into the test context.
This is a clean way to expose Photon-powered compressed flows to integration tests.
758-763: Verify all call sites acceptOption<solana_account::Account>(type change).
This is a public signature change within the test harness; ensure downstream tests aren’t expectingsolana_sdk::account::Account.
518-520: Replace fixedsleep_ms(500)indexer waits with “wait until indexed” using the indexer API.
Fixed sleeps can flake under load; given PhotonIndexer already retriesget_compressed_account, you can usually replace the sleep with a deterministic “fetch until available (bounded by timeout)” step (without layering your own retry loops around each call). Based on learnings, PhotonIndexer already has built-in retries for compressed fetches.Also applies to: 597-599, 652-654, 715-716
⛔ Skipped due to learnings
Learnt from: Dodecahedr0x Repo: magicblock-labs/magicblock-validator PR: 639 File: test-integration/test-committor-service/tests/test_ix_commit_local.rs:867-881 Timestamp: 2025-12-03T09:33:48.707Z Learning: Repo: magicblock-labs/magicblock-validator PR: 639 Context: test-integration/test-committor-service/tests/test_ix_commit_local.rs (ix_commit_local) Learning: The PhotonIndexer used for compressed account fetches (get_compressed_account) has built‑in retry logic (defaults to ~10 attempts), so tests should not add separate retry loops around compressed fetches unless there’s a specific need.Learnt from: Dodecahedr0x Repo: magicblock-labs/magicblock-validator PR: 639 File: magicblock-committor-service/src/transaction_preparator/delivery_preparator.rs:172-193 Timestamp: 2025-11-26T13:27:46.702Z Learning: The Photon indexer (PhotonIndexer from light-client) handles slot validation internally when an IndexerRpcConfig with a slot constraint is provided. Additional slot validation at the call site is not needed when fetching compressed data via get_compressed_data.Learnt from: Dodecahedr0x Repo: magicblock-labs/magicblock-validator PR: 639 File: magicblock-chainlink/src/remote_account_provider/mod.rs:1350-1353 Timestamp: 2025-12-03T09:36:01.527Z Learning: Repo: magicblock-labs/magicblock-validator File: magicblock-chainlink/src/remote_account_provider/mod.rs Context: consolidate_fetched_remote_accounts Learning: For unexpected result counts (>2), the project prefers logging an error and returning an empty Vec over panicking; acceptable during development per maintainer (Dodecahedr0x).
| const ADDRESS_TREE_PUBKEY: Pubkey = | ||
| pubkey!("amt2kaJA14v3urZbZvnc5v2np8jqvc4Z8zDep5wbtzx"); | ||
| const OUTPUT_QUEUE_PUBKEY: Pubkey = | ||
| pubkey!("oq1na8gojfdUhsfCpyjNt6h4JaDWtHf1yQj4koBWfto"); |
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Document/configure hard-coded Light accounts (tree/queue) to avoid environment drift.
These pubkeys are likely deployment-specific; consider sourcing them from test config/env (or at least add a short comment indicating which local Light deployment they correspond to).
🤖 Prompt for AI Agents
In test-integration/test-chainlink/src/ixtest_context.rs around lines 98 to 101,
the two hard-coded Light account pubkeys (ADDRESS_TREE_PUBKEY and
OUTPUT_QUEUE_PUBKEY) are deployment-specific and should not be baked into tests;
change them to be read from a test config or environment variables (e.g., read
from std::env or a test config struct) with clear variable names and a runtime
check that returns a helpful error if missing, and include a short inline
comment describing which Light deployment these values correspond to and the
expected format; alternatively, if retaining defaults, implement them as
optional fallbacks (e.g., Option<Pubkey> parsed from env) and document in
README/test-config how to override them for local vs CI runs.
| async fn get_compressed_account_and_proof( | ||
| &self, | ||
| pubkey: &Pubkey, | ||
| ) -> (CompressedAccount, ValidityProofWithContext) { | ||
| let compressed_account = self | ||
| .photon_indexer | ||
| .get_compressed_account(pubkey.to_bytes(), None) | ||
| .await | ||
| .unwrap() | ||
| .value; | ||
| let validity_proof = self | ||
| .photon_indexer | ||
| .get_validity_proof(vec![compressed_account.hash], vec![], None) | ||
| .await | ||
| .unwrap() | ||
| .value; | ||
| (compressed_account, validity_proof) | ||
| } |
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Use expect() with context instead of .unwrap() for better error diagnostics.
Replace .unwrap() calls with .expect("get_compressed_account({pubkey}) failed") and similar to improve debuggability when the indexer returns errors. PhotonIndexer already has built-in retry logic (~10 attempts), so additional timeouts are unnecessary.
async fn get_compressed_account_and_proof(
&self,
pubkey: &Pubkey,
) -> (CompressedAccount, ValidityProofWithContext) {
let compressed_account = self
.photon_indexer
.get_compressed_account(pubkey.to_bytes(), None)
.await
- .unwrap()
+ .expect(&format!("get_compressed_account({}) failed", pubkey))
.value;
let validity_proof = self
.photon_indexer
.get_validity_proof(vec![compressed_account.hash], vec![], None)
.await
- .unwrap()
+ .expect(&format!("get_validity_proof({}) failed", pubkey))
.value;
(compressed_account, validity_proof)
}🤖 Prompt for AI Agents
In test-integration/test-chainlink/src/ixtest_context.rs around lines 779 to
796, the code uses .unwrap() on indexer results which yields poor diagnostics on
failure; replace both .unwrap() calls with .expect(...) providing contextual
messages (e.g. expect(&format!("get_compressed_account({}) failed", pubkey)) or
similar) for the compressed_account call and a corresponding expect for
get_validity_proof (include compressed_account.hash or other context), keeping
the await and value extraction logic unchanged.
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