refactor: extracting prism-keys, prism-serde, slashing unused deps
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WalkthroughThe changes in this pull request involve significant modifications to the project's structure and dependencies. The Changes
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Actionable comments posted: 4
🧹 Outside diff range and nitpick comments (26)
crates/common/src/tree/mod.rs (2)
11-19: Consider implementing standard traits for better error handling.The enum is well-designed and documented. To enhance its utility, consider implementing:
std::error::Errorfor error handling integrationClone,PartialEqfor better testing support-#[derive(Debug)] +#[derive(Debug, Clone, PartialEq)] pub enum HashchainResponse { Found(Hashchain, MembershipProof), NotFound(NonMembershipProof), }
225-235: Remove debug print statements from test code.The batch_writing test contains multiple debug print statements that should be removed from the production code.
- println!("Inserting key1: {:?}", account1.key_hash); tree_state.insert_account(account1.clone()).unwrap(); - println!( - "Tree state after first insert: {:?}", - tree_state.tree.get_commitment() - ); - println!( - "Tree state after first write_batch: {:?}", - tree_state.tree.get_commitment() - ); // Try to get the first value immediately let get_result1 = tree_state.tree.get(account1.key_hash); - println!("Get result for key1 after first write: {:?}", get_result1); - println!("Inserting key2: {:?}", account2.key_hash); tree_state.insert_account(account2.clone()).unwrap(); - println!( - "Tree state after second insert: {:?}", - tree_state.tree.get_commitment() - ); - println!( - "Tree state after second write_batch: {:?}", - tree_state.tree.get_commitment() - ); // Try to get both values let get_result1 = tree_state.tree.get(account1.key_hash); let get_result2 = tree_state.tree.get(account2.key_hash); - println!("Final get result for key1: {:?}", get_result1); - println!("Final get result for key2: {:?}", get_result2);Also applies to: 237-240, 241-251, 257-259
crates/keys/src/signatures.rs (3)
8-8: Remove unnecessary import ofstd::{self}The import
use std::{self};is unnecessary because the standard library is included by default. This line can be safely removed to clean up the code.Apply this diff to remove the redundant import:
-use std::{self};
16-17: Reconsider implementingDefaultforSignatureProviding a default variant like
Placeholdermay lead to unintentional use of an uninitialized or invalid signature, which could introduce security risks. It's safer to avoid implementingDefaultfor critical enums likeSignatureto prevent accidental misuse.Consider removing the
Defaultderive and the#[default]attribute:-#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq, Default)] +#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Eq)]- #[default] Placeholder,
41-41: Enhance error message with the unexpected algorithm nameIncluding the algorithm name in the error message provides better context and aids in debugging when an unexpected algorithm is encountered.
Apply this diff to include the algorithm in the error message:
- _ => bail!("Unexpected algorithm for Signature"), + _ => bail!("Unexpected algorithm for Signature: {}", algorithm),crates/keys/src/signing_keys.rs (2)
51-54: Improve error message for unsupported algorithmsThe error message in
from_algorithm_and_bytesreferencesVerifyingKeyinstead ofSigningKey. This could cause confusion when debugging.Update the error message to correctly reference
SigningKey:- _ => bail!("Unexpected algorithm for VerifyingKey"), + _ => bail!("Unexpected algorithm for SigningKey: {}", algorithm),
87-97: DeriveEqtrait forSigningKeyWhile
PartialEqis implemented forSigningKey, deriving theEqtrait ensures that the equality relation is reflexive, symmetric, and transitive, which is appropriate for keys.Add
Eqto the derive attributes:-#[derive(Clone, Debug)] +#[derive(Clone, Debug, Eq)]Also, since you have a custom
PartialEqimplementation, ensure it satisfies the requirements forEq.crates/common/src/tree/proofs.rs (2)
37-39: Remove outdated TODO comment or address itThe TODO comment refers to verifying the service's challenge input via a Merkle proof, which may have been addressed in the code below. Leaving outdated TODOs can cause confusion.
Either remove the TODO comment if it's no longer relevant or update it to reflect the current state of the implementation.
-// TODO(CRITICAL): Verify service's challenge input via a merkle proof of -// the service, and then signature verification with the contained VK.
88-107: Ensure proper error handling inUpdateProof::verifyThe
verifymethod could benefit from more detailed error contexts to aid in debugging issues during proof verification.Update the error handling to include contexts:
- pub fn verify(&self) -> Result<()> { + pub fn verify(&self) -> Result<()> { // Verify existence of old value. // Otherwise, any arbitrary hashchain could be set as old_hashchain. let old_serialized_hashchain = bincode::serialize(&self.old_hashchain) + .context("Failed to serialize old hashchain")?; self.inclusion_proof.verify_existence(self.old_root, self.key, old_serialized_hashchain) + .context("Inclusion proof verification failed")?; // ... rest of the code ... }crates/common/src/hashchain.rs (1)
105-106: Correct grammatical errors in method documentationThe comments contain a minor grammatical error. Replace "This method is ran in circuit." with "This method is run in circuit." for clarity.
Apply this change:
-/// This method is ran in circuit. +/// This method is run in circuit.Also applies to: 178-179
crates/serde/src/lib.rs (4)
Line range hint
1-8: Add documentation for the CryptoPayload structConsider adding rustdoc comments to explain the purpose and usage of this struct, especially since it's public.
#![allow(dead_code)] use serde::{Deserialize, Serialize}; +/// A structure representing cryptographic payload with its algorithm and raw bytes. +/// The bytes are serialized using base64 encoding for human-readable formats. #[derive(Serialize, Deserialize)] pub struct CryptoPayload { + /// The cryptographic algorithm identifier pub algorithm: String, + /// The raw bytes of the payload, encoded as base64 in human-readable formats #[serde(with = "raw_or_b64")] pub bytes: Vec<u8>, }
Line range hint
10-39: Add documentation for the raw_or_hex moduleThe module implementation looks good, but adding documentation would improve maintainability.
+/// Module for serializing and deserializing bytes as hexadecimal strings in human-readable formats pub mod raw_or_hex { use serde::{self, Deserialize, Deserializer, Serializer}; + /// Serializes bytes as hexadecimal strings in human-readable formats pub fn serialize<S, T: AsRef<[u8]>>(bytes: T, serializer: S) -> Result<S::Ok, S::Error>
Line range hint
63-89: Enhance base64 decoding error messageThe implementation is good, but consider providing more descriptive error messages for base64 decoding failures.
pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error> where D: Deserializer<'de>, { if deserializer.is_human_readable() { let base64_string = String::deserialize(deserializer)?; - BASE64.decode(base64_string.as_bytes()).map_err(serde::de::Error::custom) + BASE64 + .decode(base64_string.as_bytes()) + .map_err(|e| serde::de::Error::custom(format!("Invalid base64: {}", e))) } else { Vec::<u8>::deserialize(deserializer) } }
Line range hint
41-61: Consider adding type-level size validationThe fixed-size implementations are good, but consider using const generics constraints to prevent invalid sizes at compile-time.
- pub fn deserialize<'de, D, const N: usize>(deserializer: D) -> Result<[u8; N], D::Error> + pub fn deserialize<'de, D, const N: usize>(deserializer: D) -> Result<[u8; N], D::Error> + where + [u8; N]: Default, // Ensures N is a valid size for array initializationAlso applies to: 91-111
Cargo.toml (1)
62-62: Document the reason for commenting out rocksdbThe comment about rocksdb being commented out until implementation is finished should be more descriptive.
-# rocksdb = { version = "0.21.0", features = ["multi-threaded-cf"] } commented until impl is finished +# TODO(#issue): Temporarily disabled rocksdb dependency until the storage implementation is complete +# rocksdb = { version = "0.21.0", features = ["multi-threaded-cf"] }crates/keys/src/lib.rs (2)
1-7: Add module-level documentationConsider adding comprehensive documentation for the public API of this crate.
+//! Cryptographic key management for the Prism project. +//! +//! This module provides implementations for various cryptographic keys, +//! including Ed25519, Secp256k1, and Secp256r1. + mod signatures; mod signing_keys; mod verifying_keys;
9-134: Excellent test coverage, but consider adding negative test casesThe test suite is comprehensive for the happy path, but could benefit from additional negative test cases:
- Invalid signatures
- Corrupted keys
- Cross-algorithm verification attempts
Example negative test:
#[test] fn test_signature_verification_fails_with_wrong_key() { let message = b"test message"; let signing_key1 = SigningKey::new_ed25519(); let signing_key2 = SigningKey::new_ed25519(); let signature = signing_key1.sign(message); assert!(!signature.verify(message, &signing_key2.verifying_key())); }crates/node_types/prover/src/prover/tests.rs (1)
66-66: Good improvement: Using real keys instead of mocks.Replacing mock key generation with
SigningKey::new_ed25519()provides more realistic test scenarios.Consider extracting the key generation into a test helper function since it's used in multiple tests:
+fn create_test_signing_key() -> SigningKey { + SigningKey::new_ed25519() +}crates/common/src/test_utils.rs (6)
48-49: Consider adding documentation for key purposesIt would be helpful to add comments explaining the distinct purposes of
service_challenge_keyandservice_signing_keyfor better maintainability.+// Key used for service challenges and verification let service_challenge_key = SigningKey::new_ed25519(); +// Key used for signing service operations let service_signing_key = SigningKey::new_ed25519();
79-81: Consider adding error handling for key generationThe key generation and storage operations should handle potential errors to make the test utility more robust.
- let signing_key = SigningKey::new_ed25519(); - let vk: VerifyingKey = signing_key.clone().into(); - self.signing_keys.insert(id.clone(), signing_key.clone()); + let signing_key = SigningKey::new_ed25519(); + let vk: VerifyingKey = signing_key.clone().into(); + self.signing_keys + .insert(id.clone(), signing_key.clone()) + .map_err(|e| anyhow!("Failed to store signing key: {}", e))?;
144-145: Optimize key conversion to avoid cloneThe key conversion can be optimized by avoiding the intermediate clone operation.
- let signing_key_to_add = SigningKey::new_ed25519(); - let key_to_add = signing_key_to_add.into(); + let key_to_add: VerifyingKey = SigningKey::new_ed25519().into();
167-169: Consider renaming method for clarityThe method name could better reflect that it signs data with a random key rather than the account's key.
- pub fn add_signed_data_to_account( + pub fn add_randomly_signed_data_to_account(
Line range hint
206-238: Consider extracting account creation logicThe method is handling multiple responsibilities and could be simplified by extracting the account creation logic into a separate method.
+ fn create_account_entry( + random_string: &str, + service: &Service, + sk: &SigningKey + ) -> HashchainEntry { + let vk: VerifyingKey = sk.clone().into(); + let hash = Digest::hash_items(&[ + random_string.as_bytes(), + service.id.as_bytes(), + &vk.to_bytes(), + ]); + let signature = service.sk.sign(&hash.to_bytes()); + + Hashchain::empty() + .create_account( + random_string.clone(), + service.id.clone(), + ServiceChallengeInput::Signed(signature), + vk, + sk, + ) + .unwrap() + }
257-259: Improve error handling in key operationsThe key generation and conversion operations should handle potential errors more gracefully.
- let signing_key = SigningKey::new_ed25519(); - let verifying_key = signing_key.into(); + let signing_key = SigningKey::new_ed25519(); + let verifying_key = signing_key.into(); + + // Verify key conversion was successful + if verifying_key.to_bytes().is_empty() { + return Err(anyhow!("Failed to convert signing key to verifying key")); + }crates/common/src/transaction_builder.rs (2)
85-86: Add documentation for key purposesDocument the distinct purposes of the challenge and signing keys for better maintainability.
+ // Key used for service challenge verification let random_service_challenge_key = SigningKey::new_ed25519(); + // Key used for signing service operations let random_service_signing_key = SigningKey::new_ed25519();
170-170: Optimize key generation and conversionThe key generation and conversion can be more concise.
- let random_key = SigningKey::new_ed25519().into(); + let random_key: VerifyingKey = SigningKey::new_ed25519().into();
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.github/FUNDING.yml(0 hunks)Cargo.toml(3 hunks)crates/cli/Cargo.toml(1 hunks)crates/cli/src/main.rs(1 hunks)crates/common/Cargo.toml(1 hunks)crates/common/src/digest.rs(1 hunks)crates/common/src/hashchain.rs(3 hunks)crates/common/src/keys.rs(0 hunks)crates/common/src/lib.rs(0 hunks)crates/common/src/operation.rs(1 hunks)crates/common/src/test_utils.rs(7 hunks)crates/common/src/transaction_builder.rs(4 hunks)crates/common/src/tree.rs(0 hunks)crates/common/src/tree/key_directory_tree.rs(1 hunks)crates/common/src/tree/mod.rs(1 hunks)crates/common/src/tree/proofs.rs(1 hunks)crates/common/src/tree/snarkable_tree.rs(1 hunks)crates/keys/Cargo.toml(1 hunks)crates/keys/src/lib.rs(1 hunks)crates/keys/src/signatures.rs(1 hunks)crates/keys/src/signing_keys.rs(1 hunks)crates/keys/src/verifying_keys.rs(1 hunks)crates/node_types/lightclient/Cargo.toml(0 hunks)crates/node_types/prover/Cargo.toml(1 hunks)crates/node_types/prover/src/prover/tests.rs(3 hunks)crates/node_types/prover/src/webserver.rs(2 hunks)crates/serde/Cargo.toml(1 hunks)crates/serde/src/lib.rs(1 hunks)crates/storage/Cargo.toml(1 hunks)crates/storage/src/redis.rs(0 hunks)crates/storage/src/rocksdb.rs(1 hunks)crates/tests/Cargo.toml(0 hunks)crates/zk/groth16/Cargo.toml(1 hunks)crates/zk/nova/Cargo.toml(1 hunks)
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- crates/tests/Cargo.toml
- crates/common/src/lib.rs
- .github/FUNDING.yml
- crates/common/src/keys.rs
- crates/node_types/lightclient/Cargo.toml
- crates/common/src/tree.rs
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🔇 Additional comments (17)
crates/common/src/tree/mod.rs (2)
1-9: Well-organized module structure!
The module organization follows Rust's best practices with clear separation of concerns and appropriate re-exports for better API accessibility.
21-263: Excellent test coverage with comprehensive scenarios!
The test suite is well-structured and covers:
- Basic operations (insert, get)
- Error cases (non-existent service, invalid challenges)
- Edge cases (duplicates, updates)
- Batch operations
- State verification (root hash changes)
This ensures robust validation of the tree implementation.
crates/common/src/tree/snarkable_tree.rs (1)
35-43: Handle potential mismatches in transaction ID and operation ID
The code checks for equality between transaction.id and id but could provide a more informative error message or handle mismatches more gracefully.
Run the following script to check for all occurrences where transaction.id and operation IDs might mismatch:
crates/keys/src/verifying_keys.rs (1)
223-228: Display implementation provides a clear key representation
The implementation correctly encodes the verifying key in base64, facilitating straightforward display and logging.
crates/common/src/hashchain.rs (2)
2-2: Updated imports align with new module structure
The adjustment to import Signature, SigningKey, and VerifyingKey from prism_keys reflects the reorganization of cryptographic components.
178-182: Validation logic in validate_new_entry is sound
The method effectively ensures that new entries are valid before adding them to the hashchain, maintaining integrity.
crates/common/Cargo.toml (1)
10-13: Dependency updates and reorganization enhance clarity
Adding prism-errors, prism-keys, and prism-serde as workspace dependencies is appropriate. Categorizing dependencies improves readability and maintenance.
Also applies to: 14-19
crates/node_types/prover/Cargo.toml (1)
30-30: Inclusion of prism-keys aligns with refactoring
Adding prism-keys as a dependency centralizes key management and reflects the refactoring objectives.
crates/cli/Cargo.toml (1)
34-34: Adding prism-keys ensures consistent key handling
Including prism-keys in the dependencies facilitates uniform cryptographic operations across the CLI.
Cargo.toml (1)
47-52: Verify security implications of fixed dependency versions
The specified versions of serde-related dependencies should be reviewed for known vulnerabilities:
- serde 1.0.151
- serde_json 1.0.79
- base64 0.22.0
✅ Verification successful
Let me check the base64 package for vulnerabilities as well before making the final determination.
Dependencies are secure at specified versions
The security check reveals:
- No known vulnerabilities for serde 1.0.151
- No known vulnerabilities for serde_json 1.0.79
- base64 0.22.0 is well above the vulnerable version range (< 0.5.2) that had a critical integer overflow issue
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#!/bin/bash
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securityVulnerabilities(first: 10, ecosystem: RUST, package: "serde") {
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crates/cli/src/main.rs (1)
7-7: LGTM! Import path updated correctly.
The import change aligns with the module extraction refactoring, moving from prism_common::keys::VerifyingKey to prism_keys::VerifyingKey.
Let's verify that all VerifyingKey usages are updated consistently:
✅ Verification successful
Let me verify if there are any usages of VerifyingKey that might still reference the old path.
Import path updated correctly and all usages are consistent
The verification shows that:
- No instances of the old import path
prism_common::keys::VerifyingKeyremain in the codebase - The new import path
prism_keys::VerifyingKeyis used correctly incrates/cli/src/main.rs - All other usages of
VerifyingKeyare either within theprism_keyscrate itself or are properly importing it fromprism_keys
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crates/node_types/prover/src/webserver.rs (2)
12-16: LGTM! Imports reorganized correctly.
The imports have been updated to use the new module structure, properly importing Digest and tree-related types.
64-64: Verify API compatibility after changing Hash type.
The Hash struct has been modified to use Digest instead of TreeHash. Since this struct is used in API responses, we should ensure this change maintains backward compatibility.
Let's verify the impact:
✅ Verification successful
Let me gather more information about the Hash type and its usage.
Let me gather one final piece of information about the serialization attributes.
The Hash type change is safe and maintains API compatibility
The Hash struct in webserver.rs is properly decorated with #[derive(Serialize, Deserialize, ToSchema)] attributes, ensuring consistent serialization. The change from TreeHash to Digest is an internal implementation detail that doesn't affect the external API contract since:
- The struct maintains its newtype pattern
Hash(Digest) - It's only used in API responses with proper serialization attributes
- No direct client dependencies on the internal type were found
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crates/node_types/prover/src/prover/tests.rs (2)
2-3: LGTM! Imports updated for better modularity.
The imports have been properly reorganized to use the new prism_keys module, improving code organization.
94-95: LGTM! Consistent use of real key generation.
The change maintains consistency with the new approach of using real key generation instead of mocks.
crates/common/src/test_utils.rs (1)
13-13: LGTM: Import change aligns with module extraction
The import statement correctly uses the newly extracted prism-keys module.
crates/common/src/transaction_builder.rs (1)
119-119: LGTM: Clean and concise implementation
The key generation is implemented correctly and follows the module's conventions.
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (1)
justfile (1)
68-68: Consider enhancing error handling in the integration test recipe.While the command change aligns well with the CI workflow, consider improving the recipe's robustness.
Here's a suggested enhancement:
- cargo test -p prism-tests --lib --release --features mock_prover + # Ensure cleanup runs even if tests fail + if ! cargo test -p prism-tests --lib --release --features mock_prover; then + just celestia-down + exit 1 + fi
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🔇 Additional comments (2)
.github/workflows/ci.yml (2)
Line range hint 93-114: Excellent addition of unused dependencies check.
The new job for checking unused dependencies is a valuable addition that:
- Perfectly aligns with the PR's objective of slashing unused deps
- Uses the appropriate nightly toolchain
- Checks all features and targets comprehensively
91-91: Integration test command change looks good.
The change to target the specific prism-tests package aligns well with the PR's module restructuring objective.
Let's verify the package exists and contains the tests:
✅ Verification successful
Integration test command change is correctly targeting the test package
The verification confirms that:
- The
prism-testspackage exists atcrates/tests/ - The package has proper test configuration with required features including
mock_prover - Contains integration tests in
lib.rsmarked with#[cfg(test)] - The test file includes comprehensive integration tests that verify light client and prover communication
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🧹 Outside diff range and nitpick comments (1)
crates/node_types/prover/src/webserver.rs (1)
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1-200: Excellent implementation with robust error handling and documentation.The web server implementation demonstrates several strong points:
- Comprehensive OpenAPI documentation
- Proper error handling with meaningful messages
- Clean separation of concerns
- Well-structured endpoint handlers
Consider adding integration tests to verify the behavior with the new types.
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🔇 Additional comments (2)
crates/node_types/prover/src/webserver.rs (2)
12-16: LGTM! Verify removed dependency usage.
The import changes align with the PR's objective of restructuring the codebase. The shift from TreeHash to Digest type is consistent with the module reorganization.
Let's verify no remaining usages of the removed indexed_merkle_tree imports:
64-64:
Document the breaking change in Hash struct.
The change from TreeHash to Digest as the underlying type is a breaking change that affects API responses. While the change aligns with the codebase restructuring, it needs proper documentation.
Let's verify the impact on API consumers:
Consider adding a comment above the struct to document this change:
+/// Represents a hash value in the API responses.
+/// Note: In version X.Y.Z, the underlying type was changed from TreeHash to Digest.
#[derive(Serialize, Deserialize, ToSchema)]
pub struct Hash(Digest);
prism-keysandprism-serdeout ofprism-commonprism-commonto live in a subdirectorySummary by CodeRabbit
New Features
KeyDirectoryTreefor managingHashchaindata with efficient batch processing.Hashchainstructure.prism-serdemodule.SigningKeyandVerifyingKeytypes for improved cryptographic operations.Signatureenum to encapsulate various cryptographic signatures.Bug Fixes
Refactor
prism-keyspackage and removal of several unused dependencies.Chores