refactor: thiserror enums in keys #349
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WalkthroughThis change replaces the use of the generic Changes
Sequence Diagram(s)sequenceDiagram
participant Caller
participant SigningKey
participant VerifyingKey
participant Signature
Caller->>SigningKey: new_with_algorithm()
SigningKey-->>Caller: Result<SigningKey, KeysError>
Caller->>SigningKey: sign(message)
SigningKey-->>Caller: Result<Signature, KeysError>
Caller->>VerifyingKey: verify_signature(message, signature)
VerifyingKey-->>Caller: Result<(), VerificationError>
Caller->>Signature: from_algorithm_and_bytes(algorithm, bytes)
Signature-->>Caller: Result<Signature, SignatureError>
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Zombeescott
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🧹 Nitpick comments (4)
crates/keys/src/algorithm.rs (2)
91-95: Consider adding more specific error variants.The
AlgorithmErrorenum currently only has aGeneralErrorvariant, which doesn't provide much more error specificity than the previousanyhowusage. Consider adding more specific variants likeUnsupportedAlgorithmOid,UnsupportedEllipticCurveOid, andParameterParsingErrorto improve error handling granularity.#[derive(Error, Clone, Debug)] pub enum AlgorithmError { + #[error("unsupported algorithm OID: {0}")] + UnsupportedAlgorithmOid(String), + #[error("unsupported elliptic curve OID: {0}")] + UnsupportedEllipticCurveOid(String), + #[error("failed to parse algorithm parameters: {0}")] + ParameterParsingError(String), #[error("error: {0}")] GeneralError(String), }
71-87: Error mappings are correct but could use specific variants.The error mappings correctly convert underlying errors to
AlgorithmError::GeneralError, but if you implement the more specific error variants suggested above, you could map these errors more precisely:
- Line 73: Map to
ParameterParsingError- Lines 79-81: Map to
UnsupportedEllipticCurveOid- Lines 84-86: Map to
UnsupportedAlgorithmOidcrates/keys/src/cosmos.rs (1)
136-140: Improve error message clarity and consider specific variants.The error message "something went wrong: {0}" is quite generic. Consider making it more descriptive, and adding specific error variants for different failure modes in Cosmos operations.
#[derive(Error, Clone, Debug)] pub enum CosmosError { - #[error("something went wrong: {0}")] + #[error("json serialization failed: {0}")] + SerializationError(String), + #[error("bech32 encoding failed: {0}")] + Bech32Error(String), + #[error("cosmos operation failed: {0}")] GeneralError(String), }Then update the error mappings to use specific variants:
- Line 80: Use
SerializationErrorfor JSON serialization failures- Line 101: Use
SerializationErrorfor JSON serialization failures- Line 132: Use
Bech32Errorfor bech32 encoding failurescrates/keys/src/verifying_keys.rs (1)
131-194: Comprehensive signature verification with appropriate error handling.The
verify_signaturemethod properly maps different error conditions to appropriateVerificationErrorvariants:
InvalidSignErrorfor signature type mismatchesVerifyErrorfor cryptographic verification failuresSignatureErrorfor algorithm-specific signature issuesGeneralErrorfor wrapped errors from other modulesThe commented-out anyhow error lines (154, 167) can be removed for cleaner code.
- // .map_err(|e| anyhow!("Failed to verify secp256k1 signature: {}", e)) .map_err(|e| { VerificationError::VerifyError("secp256k1".to_string(), e.to_string()) })- // .map_err(|e| anyhow!("Failed to verify secp256r1 signature: {}", e)) .map_err(|e| { VerificationError::VerifyError("secp256r1".to_string(), e.to_string()) })
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crates/keys/Cargo.toml(1 hunks)crates/keys/src/algorithm.rs(2 hunks)crates/keys/src/cosmos.rs(4 hunks)crates/keys/src/verifying_keys.rs(5 hunks)
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🔇 Additional comments (6)
crates/keys/src/cosmos.rs (3)
69-83: Function signature and error handling updated correctly.The refactor properly updates the return type and error handling. The error mapping on line 80 correctly converts nested errors, though it could benefit from the more specific error variants suggested above.
97-106: Consistent error handling implementation.The function correctly uses the new
CosmosErrortype and properly maps JSON serialization errors.
122-134: Proper error conversion for bech32 operations.The error mapping correctly converts bech32 encoding errors to
CosmosError::GeneralError.crates/keys/src/verifying_keys.rs (3)
363-379: Excellent error enum design with comprehensive variants.This
VerificationErrorenum is well-designed with specific variants for different failure modes. The error messages are descriptive and provide good context for debugging. This is a great example of how the other error enums in the crate could be structured.
92-119: Consistent and well-structured error mappings.The error mappings in
from_algorithm_and_bytesproperly use theVerifyErrorvariant with descriptive algorithm names. The error handling is consistent across all algorithm types.
227-262: Proper SPKI parsing with detailed error context.The
from_spkimethod effectively uses different error variants based on the failure mode:
GeneralErrorfor algorithm parsing and general SPKI errorsIntoRefErrorfor algorithm-specific key conversion failuresNotImplementedErrorfor unsupported algorithmsThis provides excellent error granularity for debugging SPKI parsing issues.
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🔭 Outside diff range comments (1)
crates/node_types/lightclient/src/lightclient.rs (1)
307-364: Remove unused helper methodsThe methods
extract_commitments,verify_commitments, andverify_snark_proofare no longer used since verification is now handled by theVerifiableEpochtrait. These should be removed to avoid confusion.- fn extract_commitments(&self, public_values: &[u8]) -> Result<(Digest, Digest)> { - let mut slice = [0u8; 32]; - slice.copy_from_slice(&public_values[..32]); - let proof_prev_commitment = Digest::from(slice); - - let mut slice = [0u8; 32]; - slice.copy_from_slice(&public_values[32..64]); - let proof_current_commitment = Digest::from(slice); - - Ok((proof_prev_commitment, proof_current_commitment)) - } - - fn verify_commitments( - &self, - finalized_epoch: &FinalizedEpoch, - proof_prev_commitment: Digest, - proof_current_commitment: Digest, - ) -> Result<()> { - if finalized_epoch.prev_commitment != proof_prev_commitment - || finalized_epoch.current_commitment != proof_current_commitment - { - // maybe we should forwards events for these kind of errors as well. - return Err(anyhow::anyhow!( - "Commitment mismatch: prev={:?}/{:?}, current={:?}/{:?}", - finalized_epoch.prev_commitment, - proof_prev_commitment, - finalized_epoch.current_commitment, - proof_current_commitment - )); - } - Ok(()) - } - - fn verify_snark_proof( - &self, - finalized_epoch: &FinalizedEpoch, - public_values: &[u8], - ) -> Result<()> { - #[cfg(target_arch = "wasm32")] - let finalized_epoch_proof = &finalized_epoch.proof; - - #[cfg(not(target_arch = "wasm32"))] - let finalized_epoch_proof = &finalized_epoch.proof.bytes(); - - let vkey = if finalized_epoch.height == 0 { - &self.sp1_vkeys.base_vk - } else { - &self.sp1_vkeys.recursive_vk - }; - - Groth16Verifier::verify( - finalized_epoch_proof, - public_values, - vkey, - &sp1_verifier::GROTH16_VK_BYTES, - ) - .map_err(|e| anyhow::anyhow!("SNARK verification failed: {:?}", e)) - }
🧹 Nitpick comments (4)
crates/da/src/celestia/full_node.rs (1)
3-6: Consider grouping related importsThe imports could be better organized by grouping the event-related imports together.
use crate::{ FinalizedEpoch, LightDataAvailabilityLayer, VerifiableEpoch, - events::{EventChannel, PrismEvent}, }; +use crate::events::{EventChannel, PrismEvent};Also applies to: 20-20
crates/da/src/celestia/light_client.rs (1)
156-158: Consider making this method consistent with the traitWhile this method provides convenient access to the event publisher, other implementations don't have this method. Consider if this should be part of the trait interface or if it's specific to this implementation.
crates/da/src/lib.rs (1)
143-144: Add context to magic numberThe check for 64 bytes would benefit from a comment explaining why this specific length is required.
+ // Public values must contain at least 64 bytes: 32 for previous commitment + 32 for current commitment if self.public_values.len() < 64 { return Err(EpochVerificationError::InvalidPublicValues( self.public_values.len(), )); }crates/node_types/lightclient/src/lightclient.rs (1)
79-84: Consider extracting the initial sync state to a constructorThe
SyncStateinitialization could be extracted to an associated function for better readability.+impl SyncState { + fn new() -> Self { + Self { + current_height: 0, + initial_sync_completed: false, + initial_sync_in_progress: false, + latest_finalized_epoch: None, + } + } +}Then use it as:
- let sync_state = Arc::new(RwLock::new(SyncState { - current_height: 0, - initial_sync_completed: false, - initial_sync_in_progress: false, - latest_finalized_epoch: None, - })); + let sync_state = Arc::new(RwLock::new(SyncState::new()));
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crates/cli/src/cfg.rs(2 hunks)crates/cli/src/main.rs(3 hunks)crates/da/Cargo.toml(1 hunks)crates/da/src/celestia/full_node.rs(8 hunks)crates/da/src/celestia/light_client.rs(5 hunks)crates/da/src/celestia/utils.rs(4 hunks)crates/da/src/events.rs(5 hunks)crates/da/src/lib.rs(4 hunks)crates/da/src/memory.rs(9 hunks)crates/da/src/utils.rs(1 hunks)crates/errors/src/lib.rs(1 hunks)crates/node_types/lightclient/src/lib.rs(0 hunks)crates/node_types/lightclient/src/lightclient.rs(10 hunks)crates/node_types/prover/src/prover/tests/mod.rs(1 hunks)crates/node_types/prover/src/prover_engine.rs(2 hunks)crates/node_types/prover/src/syncer.rs(4 hunks)crates/node_types/uniffi-lightclient/src/lib.rs(4 hunks)crates/node_types/uniffi-lightclient/src/types.rs(2 hunks)crates/tests/src/lib.rs(2 hunks)verification_keys/keys.json(1 hunks)
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🧠 Learnings (1)
crates/da/src/celestia/utils.rs (1)
Learnt from: sebasti810
PR: deltadevsde/prism#342
File: crates/cli/src/main.rs:152-155
Timestamp: 2025-06-17T07:14:03.223Z
Learning: In the Prism codebase, the verifying_key field in NetworkConfig was changed from Option<VerifyingKey> to VerifyingKey because it's always required by all node types (LightClient, Prover, FullNode) and a sensible default (generated key) can be provided when not explicitly configured.
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🔇 Additional comments (35)
crates/node_types/prover/src/prover/tests/mod.rs (1)
114-122: LGTM! Test updated to use trait-based interface.The test correctly adapts to the new trait-based interface using
commitments()andheight()methods instead of direct field access. This aligns with the broader refactoring towardVerifiableEpochtrait abstraction.crates/tests/src/lib.rs (1)
103-103: LGTM! Simplified LightClient constructor.The removal of the EventChannel parameter aligns with the refactoring that moved event handling internally within the LightClient.
crates/cli/src/main.rs (2)
93-93: LGTM! Simplified LightClient constructor.Consistent with the event handling refactoring that moved EventChannel management internally.
152-152: LGTM! Simplified verifying_key handling.The direct cloning without error handling aligns with the change from
Option<VerifyingKey>toVerifyingKey, ensuring a verifying_key is always available.crates/cli/src/cfg.rs (2)
20-20: LGTM! Removed unused import.The removal of
warnfrom the tracing import aligns with the removal of warning logs throughout the codebase.
298-298: LGTM! Improved verifying_key handling.The change to
.unwrap_or(network_config.verifying_key.clone())is more efficient and aligns with the type change fromOption<VerifyingKey>toVerifyingKey.crates/da/src/celestia/utils.rs (3)
1-1: LGTM! Updated imports.The additional imports support the new verifying_key functionality and are correctly added.
Also applies to: 9-9
56-56: LGTM! Changed verifying_key to required field.The change from
Option<VerifyingKey>toVerifyingKeyaligns with the broader refactoring to make verifying_key always available, as confirmed by the retrieved learning.
89-92: LGTM! Removed unnecessary Option wrapper.The direct
VerifyingKeyvalue is consistent with the type change and removes the unnecessarySome()wrapper.crates/node_types/uniffi-lightclient/src/lib.rs (4)
9-13: LGTM! Import organization improves clarity.The separation of
EventSubscriberimport and explicit import ofLightClientimproves code readability.
25-25: Good simplification by removing the Option wrapper.Removing the
Optionwrapper fromevent_subscribereliminates unnecessary null checks and simplifies the code, as the event subscriber is always initialized in the constructor.
54-63: Clean simplification of event subscription initialization.The direct subscription from
da.event_channeland removal of theSome()wrapper streamlines the initialization process, aligning with the unified event handling architecture.
84-89: Cleaner error handling in next_event method.The simplified implementation correctly assumes the event subscriber is always initialized, removing unnecessary error cases and improving code clarity.
crates/node_types/prover/src/prover_engine.rs (1)
49-60: Well-designed verification keys accessor method.The
verification_keys()method correctly consolidates verification key retrieval with appropriate handling for when recursive proofs are disabled. This provides a clean interface for epoch verification.crates/node_types/prover/src/syncer.rs (4)
216-216: Good abstraction using trait objects.Using
VerifiableEpochtrait object instead of a concrete type improves flexibility and supports different epoch implementations.
229-230: Clean encapsulation of verification logic.The simplified verification using
epoch.verify()centralizes all verification steps (signature, commitment, and SNARK proof) into a single method call, improving maintainability.
235-238: Improved error context for missing epochs.Adding context to the error message helps with debugging when previous epochs are missing from the database.
277-277: Appropriate use of type conversion for storage.The
try_convert()method correctly handles the conversion from trait object to concrete type for database storage, maintaining compatibility with the existing storage layer.crates/da/src/events.rs (3)
16-16: Appropriate rename to PrismEvent.The rename from
LightClientEventtoPrismEventbetter reflects the system-wide nature of these events and improves naming consistency.
112-138: Well-implemented event forwarding mechanism.The
start_forwardingmethod correctly:
- Spawns an async task for continuous event processing
- Filters specific Lumina events to Prism events
- Handles platform-specific behavior for WASM vs non-WASM targets
- Gracefully exits when the channel is closed
141-147: Convenient From trait implementation.The automatic setup of event forwarding when creating an
EventChannelfrom a Lumina subscriber simplifies initialization and ensures forwarding is always configured.crates/errors/src/lib.rs (2)
84-84: Good addition of specific epoch verification error variant.Adding the
EpochVerificationvariant toDataAvailabilityErrorproperly categorizes epoch-related errors within the DA context.
89-125: Well-structured error hierarchy for epoch verification.The new error enums provide excellent granularity for different verification failure modes:
EpochVerificationErroras the top-level error with specific variantsSignatureErrorandCommitmentErrorfor specialized error cases- Proper use of
#[from]for automatic error conversionThis aligns perfectly with the PR objective of replacing generic errors with specific
thiserrorenums.crates/da/src/celestia/full_node.rs (3)
3-6: Inconsistency with PR objectivesThe PR objectives state that this PR is about "replacing references to the
anyhowcrate within thekeysfolder" and "refactoring error handling by substitutinganyhowwiththiserrorenums". However, this file is in thecrates/damodule and the changes are related to event channel refactoring and epoch verification abstractions, not error handling in the keys module.Are these the correct files for review? The changes don't match the stated PR objectives.
Likely an incorrect or invalid review comment.
76-97: LGTM! Clean trait object conversionThe conversion from concrete
FinalizedEpochtoVerifiableEpochtrait objects is implemented correctly, with proper error handling for blob parsing failures.
139-140: Good addition of event publishingPublishing the
UpdateDAHeightevent when headers are received enables other components to react to height updates through the unified event system.crates/da/src/memory.rs (2)
114-117: Event publishing placement looks goodThe
UpdateDAHeightevent is published at the right time - after the new block is created and the height is updated, ensuring consistency between the published event and the actual state.
131-136: Efficient trait object conversionThe conversion to
VerifiableEpochtrait objects is implemented efficiently using iterator methods.crates/da/src/celestia/light_client.rs (1)
106-109: Event channel forwarding setup looks correctThe conversion from Lumina's event subscriber to Prism's EventChannel is properly implemented in both constructors, ensuring events are forwarded correctly.
Also applies to: 142-145
crates/da/src/lib.rs (4)
8-8: Error handling improvement aligns with PR objectivesThis import of specific error types from
prism_errorsshows the move away from genericanyhowerrors to domain-specific error enums, which aligns with the stated PR objectives of usingthiserrorenums.
40-79: Well-designed abstraction for epoch verificationThe
VerifiableStateTransitiontrait andEpochCommitmentsstruct provide a clean abstraction for epoch verification, enabling better testability through mocking and clearer separation of concerns.
133-169: Comprehensive verification with detailed error handlingThe verification logic is well-structured with:
- Clear separation of signature, commitment, and proof verification
- Specific error types for each failure mode
- Proper error propagation
This is a significant improvement in error handling granularity.
248-248: Good addition of automock for testingAdding the
#[automock]attribute enables easy mocking of theLightDataAvailabilityLayertrait, which will improve testability.crates/node_types/lightclient/src/lightclient.rs (2)
37-37: Field visibility change looks goodRemoving the
pubmodifier fromprover_pubkeyimproves encapsulation since this field doesn't need to be publicly accessible.
260-272: Clean abstraction using the trait methodThe epoch processing is now much cleaner, delegating all verification logic to the
VerifiableEpochtrait. This improves separation of concerns and makes the code more maintainable.
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Actionable comments posted: 1
🧹 Nitpick comments (2)
crates/keys/src/verifying_keys.rs (2)
23-23: Remove unnecessary explicit Result import.The
std::result::Resulttype is available in the prelude and doesn't need to be explicitly imported.- result::Result,
363-379: Consider consolidating redundant error variants.The
VerificationErrorenum has good coverage of error cases, but there may be some redundancy betweenInvalidSignErrorandSignatureError. Consider whether both are needed or if they can be consolidated for better consistency.If you decide to keep both variants, consider renaming them to be more descriptive:
InvalidSignError→SignatureTypeMismatchSignatureError→UnsupportedSignatureTypeOr consolidate them into a single variant:
- #[error("invalid signature type")] - InvalidSignError, - #[error("verifying key for {0} can only verify secp256k1 signatures")] - SignatureError(String), + #[error("signature type mismatch: {0}")] + SignatureTypeMismatch(String),
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crates/keys/Cargo.toml(1 hunks)crates/keys/src/algorithm.rs(2 hunks)crates/keys/src/cosmos.rs(4 hunks)crates/keys/src/signatures.rs(5 hunks)crates/keys/src/signing_keys.rs(7 hunks)crates/keys/src/verifying_keys.rs(5 hunks)
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- crates/keys/Cargo.toml
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- crates/keys/src/signing_keys.rs
- crates/keys/src/signatures.rs
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🔇 Additional comments (6)
crates/keys/src/verifying_keys.rs (6)
92-119: Good refactoring of error handling.The function correctly maps underlying cryptographic errors to domain-specific
VerificationError::VerifyErrorvariants with appropriate context.
196-215: Good error handling for SPKI DER conversion.The function appropriately handles not-implemented cases and maps conversion errors to
GeneralError.
217-276: SPKI-related functions have consistent error handling.The functions correctly propagate errors from the internal
to_spki_der_docfunction and map I/O and parsing errors to appropriateVerificationErrorvariants.
280-284: Trait implementation correctly updated.The
TryFrom<CryptoPayload>implementation properly uses the newVerificationErrortype.
309-327: FromBase64 implementation correctly refactored.The error handling properly maps base64 decoding errors and Ed25519 key creation errors to
GeneralErrorvariants.
330-335: TryFrom implementation correctly updated.The trait implementation properly uses the new
VerificationErrortype.
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Good work so far, I think now we can actually zoom out one level further and it will reduce a lot of extra map_errs and be more clear:
Currently, the error structure is:
VerifyingKey methods produce KeysError
SigningKey methods produce VerificationError
Signature methods produce SignatureError
Cosmos sig impl produces CosmosError
Algorithm produces AlgorithmError
This makes conversions between the types inside the crate tedious, because you have to map_err while still being inside the same crate.
I suggest now that you've made the error types, we refactor it so:
- All error types can go into a new
errorsmod in aerrors.rsfile - There is a top level error type, for example KeyError, that you use the thiserror from attribute with for conversion from the other error types (view error crate's errors to see example). This will prevent you from needing to map inside crate
- Define
Resulttype that is Result<G, KeyError>. All methods in the crate should return this top level error, so then the mapping is trivial, not only inside in the crate, but for its users as well
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Actionable comments posted: 1
🧹 Nitpick comments (1)
crates/keys/src/errors.rs (1)
17-27: Consider more specific error message for CosmosError.The SignatureError enum is well-structured, but the
CosmosErrorvariant uses a generic "Something went wrong" message. Consider making this more specific to the cosmos-related failure.- #[error("Something went wrong: {0}")] + #[error("Cosmos signature operation failed: {0}")] CosmosError(String),
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- crates/keys/src/cosmos.rs
- crates/keys/src/algorithm.rs
- crates/keys/src/signatures.rs
- crates/keys/src/verifying_keys.rs
- crates/keys/src/signing_keys.rs
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🔇 Additional comments (3)
crates/keys/src/errors.rs (3)
1-3: LGTM! Clean error handling foundation.The import and generic Result type alias provide a clean foundation for the error handling refactor. The type alias will make function signatures more concise throughout the codebase.
5-15: Well-designed error aggregation enum.The CryptoError enum effectively aggregates domain-specific errors with automatic conversion via
#[from]. The error messages clearly indicate the error domain, which will help with debugging.
29-43: LGTM! Well-defined key operation errors.The KeysError enum comprehensively covers key-related operations with specific, actionable error messages. The variants clearly distinguish between different failure modes.
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♻️ Duplicate comments (4)
crates/keys/src/errors.rs (4)
47-47: Consider renaming for consistency with user feedback.Based on the past review comments, "DerParseError" appears to be the preferred naming. The current name aligns with this preference.
68-68: Naming aligns with user feedback.The "VKCreationError" name matches the user's preferred naming convention from past comments.
64-66: Fix naming conflict with SignatureError enum.The
SignatureErrorvariant name conflicts with theSignatureErrorenum defined at line 18, which can cause confusion and potential compilation issues.Apply this diff to resolve the naming conflict:
- #[error("Verifying key for {0} can only verify secp256k1 signatures")] - SignatureError(String), + #[error("Verifying key for {0} can only verify secp256k1 signatures")] + UnsupportedSignatureTypeError(String),
55-56: Replace generic error messages with more descriptive ones.The
GeneralErrorvariants use generic messages like "A parsing error occurred" and "A verification error occurred" which aren't helpful for debugging.Apply these diffs to improve error specificity:
- #[error("A parsing error occured: {0}")] - GeneralError(String), + #[error("Parse operation failed: {0}")] + OperationFailedError(String),- #[error("A verification error occured: {0}")] - GeneralError(String), + #[error("Verification operation failed: {0}")] + OperationFailedError(String),Also applies to: 76-77
🧹 Nitpick comments (1)
crates/keys/src/errors.rs (1)
55-55: Fix typo in error messages.Both "GeneralError" variants contain a typo: "occured" should be "occurred".
Apply these diffs to fix the typos:
- #[error("A parsing error occured: {0}")] + #[error("A parsing error occurred: {0}")]- #[error("A verification error occured: {0}")] + #[error("A verification error occurred: {0}")]Also applies to: 76-76
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📒 Files selected for processing (3)
crates/keys/src/cosmos.rs(4 hunks)crates/keys/src/errors.rs(1 hunks)crates/keys/src/verifying_keys.rs(6 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
- crates/keys/src/cosmos.rs
- crates/keys/src/verifying_keys.rs
🧰 Additional context used
🧠 Learnings (2)
📓 Common learnings
Learnt from: distractedm1nd
PR: deltadevsde/prism#146
File: crates/common/src/hashchain.rs:164-174
Timestamp: 2024-11-01T07:51:25.629Z
Learning: In `crates/common/src/hashchain.rs`, extracting duplicated key validation logic between different operation types is not feasible without refactoring the underlying enum structs to use the same type.
Learnt from: CR
PR: deltadevsde/prism#0
File: CLAUDE.md:0-0
Timestamp: 2025-06-23T12:18:00.367Z
Learning: Handle errors using Rust's Result types and provide descriptive error messages to aid debugging and user understanding.
crates/keys/src/errors.rs (6)
Learnt from: CR
PR: deltadevsde/prism#0
File: CLAUDE.md:0-0
Timestamp: 2025-06-23T12:18:00.367Z
Learning: Handle errors using Rust's Result types and provide descriptive error messages to aid debugging and user understanding.
Learnt from: distractedm1nd
PR: deltadevsde/prism#141
File: crates/common/src/operation.rs:311-313
Timestamp: 2024-10-16T12:03:50.680Z
Learning: When implementing `AddSignedData` in `crates/common/src/operation.rs`, ensure that signatures cover the entire operation (including metadata like account ID) to prevent replay attacks or unauthorized data modifications. Including a `value_signature: Option<(VerifyingKey, Signature)>` allows for externally signed data while ensuring proper validation.
Learnt from: distractedm1nd
PR: deltadevsde/prism#146
File: crates/common/src/hashchain.rs:164-174
Timestamp: 2024-11-01T07:51:25.629Z
Learning: In `crates/common/src/hashchain.rs`, extracting duplicated key validation logic between different operation types is not feasible without refactoring the underlying enum structs to use the same type.
Learnt from: sebasti810
PR: deltadevsde/prism#342
File: crates/cli/src/main.rs:152-155
Timestamp: 2025-06-17T07:14:03.223Z
Learning: In the Prism codebase, the verifying_key field in NetworkConfig was changed from Option<VerifyingKey> to VerifyingKey because it's always required by all node types (LightClient, Prover, FullNode) and a sensible default (generated key) can be provided when not explicitly configured.
Learnt from: distractedm1nd
PR: deltadevsde/prism#193
File: crates/node_types/lightclient/src/lightclient.rs:68-74
Timestamp: 2025-01-08T09:35:23.121Z
Learning: In the LightClient implementation, signature verification failures should trigger a panic as clients must not proceed with potentially compromised data. This is a security measure rather than an error handling concern.
Learnt from: distractedm1nd
PR: deltadevsde/prism#150
File: crates/common/src/keys.rs:27-31
Timestamp: 2024-10-29T15:02:10.475Z
Learning: In the Rust codebase of `prism`, within the `VerifyingKey::as_bytes` method in `crates/common/src/keys.rs`, returning a `Vec<u8>` is necessary because the underlying key types (`Secp256k1VerifyingKey` and `Ed25519VerifyingKey`) provide their byte representations by value. Returning a `&[u8]` would involve borrowing from a temporary value, which is not feasible.
⏰ Context from checks skipped due to timeout of 90000ms (2)
- GitHub Check: coverage
- GitHub Check: unit-test
🔇 Additional comments (1)
crates/keys/src/errors.rs (1)
1-15: Well-structured error hierarchy with thiserror.The main CryptoError enum effectively aggregates domain-specific error types with automatic conversions via
#[from]. This provides a clean API while maintaining detailed error information.
Replacement of anyhow references in the keys folder.
Summary by CodeRabbit
New Features
Bug Fixes
Refactor