refactor: Cleanup SPV validation #237

xdustinface · 2025-12-04T02:32:06Z

The header validation is currently not active at all during sync, only when loading headers into memory on startup, this PR cleans it up and there will be a follow up to enable the validation during sync.

Some simplifications and name changes
Some unused code
Add header validation timing logs
Dropping ValidationManager as its not really used and not needed
Dropping the HeaderValidator making validate_headers a standalone function now located in sync::headers::validation
Making the ValidationMode::Full mode checking PoW by default, not based on yet another parameter

Based on:

chore: Some restructuring in dash-spv::sync #236

Summary by CodeRabbit

Refactor
- Simplified internal validation system architecture by consolidating validation logic into a streamlined functional approach.
- Removed manager-based validation coordination in favor of direct validation function calls.
Tests
- Updated validation test suite to align with refactored validation approach.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

coderabbitai · 2025-12-04T02:32:11Z

Walkthrough

The changes refactor the validation system by removing the ValidationManager from DashSpvClient and replacing the struct-based HeaderValidator with a single standalone validate_headers function. Validation is decoupled from the client and simplified into a functional API.

Changes

Cohort / File(s)	Summary
Client struct and initialization `dash-spv/src/client/core.rs`, `dash-spv/src/client/lifecycle.rs`	Removed ValidationManager field from DashSpvClient struct and eliminated its instantiation in the constructor, reducing the client's responsibility for validation lifecycle management.
Client validation usage `dash-spv/src/client/sync_coordinator.rs`	Updated header validation calls from `self.validation.validate_header_chain()` to standalone `validate_headers()` function with explicit ValidationMode parameter.
Validation core refactoring `dash-spv/src/validation/headers.rs`, `dash-spv/src/validation/mod.rs`	Removed HeaderValidator struct and replaced it with a single public `validate_headers()` function. Consolidated per-header and chain validation logic into one loop with timing instrumentation. Updated module exports to reference the new function instead of the struct.
Validation tests `dash-spv/src/validation/headers_edge_test.rs`, `dash-spv/src/validation/headers_test.rs`	Refactored test cases to call `validate_headers()` directly instead of using validator objects, replacing wildcard imports with explicit function imports.
Removed test module `dash-spv/src/validation/manager_test.rs`	Deleted entire test module for ValidationManager, removing test coverage for ValidationManager construction, header validation across modes, and chain validation scenarios.

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Extra attention areas:
- The removal of ValidationManager from the client struct may have cascading effects on initialization order and dependency injection patterns—verify no code paths assume validation is available via the client
- The consolidation of multiple validation methods into a single validate_headers() function requires careful verification that all validation scenarios (None/Basic/Full modes, chain continuity, PoW checks) are properly handled
- Test deletion in manager_test.rs removes coverage for ValidationManager lifecycle and mode switching—verify that lost test scenarios are adequately covered by the updated headers tests
- The error mapping changes in validate_headers() (mapping PoW errors to InvalidProofOfWork or InvalidHeaderChain) should be verified against caller expectations

Poem

🐰 Validators once stood tall and proud,
A struct with methods, an abstract cloud,
Now simplified, one function stands alone,
Headers validated, the logic trimmed to bone,
No more managers cluttering the client's keep,
Just pure validation, simple and deep! 🌟

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'refactor: Cleanup SPV validation' accurately reflects the main change: removing ValidationManager, converting HeaderValidator to a standalone function, and simplifying the validation code structure.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

📝 Generate docstrings

🧪 Generate unit tests (beta)

Create PR with unit tests
Post copyable unit tests in a comment
Commit unit tests in branch refactor/validation-improved

📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 1284cc9 and fb7ef8f.

📒 Files selected for processing (8)

dash-spv/src/client/core.rs (0 hunks)
dash-spv/src/client/lifecycle.rs (0 hunks)
dash-spv/src/client/sync_coordinator.rs (2 hunks)
dash-spv/src/validation/headers.rs (1 hunks)
dash-spv/src/validation/headers_edge_test.rs (15 hunks)
dash-spv/src/validation/headers_test.rs (11 hunks)
dash-spv/src/validation/manager_test.rs (0 hunks)
dash-spv/src/validation/mod.rs (1 hunks)

💤 Files with no reviewable changes (3)

dash-spv/src/client/core.rs
dash-spv/src/validation/manager_test.rs
dash-spv/src/client/lifecycle.rs

🧰 Additional context used

📓 Path-based instructions (4)

**/*.rs

📄 CodeRabbit inference engine (CLAUDE.md)

**/*.rs: Never hardcode network parameters, addresses, or keys in Rust code
Use proper error types with thiserror crate and propagate errors appropriately in Rust code
Use tokio runtime for async operations in Rust code
Use conditional compilation with feature flags for optional features
Write unit tests for new functionality in Rust
Format Rust code with cargo fmt before committing
Ensure clippy passes with all warnings as errors on all Rust code

**/*.rs: Each crate keeps sources in src/; unit tests live alongside code with #[cfg(test)]
Maintain MSRV of 1.89 for Rust code
Format Rust code with rustfmt (see rustfmt.toml); run cargo fmt --all before commits
Lint Rust code with clippy; avoid unwrap()/expect() in library code; use error types (e.g., thiserror)
Use snake_case for function and variable names in Rust
Use UpperCamelCase for types and traits in Rust
Use SCREAMING_SNAKE_CASE for constants in Rust
Follow mixed editions (2021/2024) and crate-specific idioms; prefer async via tokio where applicable
Unit tests should be placed near code with descriptive names (e.g., test_parse_address_mainnet)
Use #[ignore] for network-dependent or long-running tests; run with -- --ignored flag
Never commit secrets or real keys; avoid logging sensitive data in Rust code
Keep test vectors deterministic in Rust test code

Files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers.rs
dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

dash-spv/**/*.rs

📄 CodeRabbit inference engine (dash-spv/CLAUDE.md)

dash-spv/**/*.rs: Use trait-based abstractions for core components like NetworkManager and StorageManager to enable swappable implementations
Use async/await throughout the codebase with tokio runtime for all asynchronous operations
Use Minimum Rust Version (MSRV) 1.89 and ensure all code compiles with cargo check --all-features

Files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers.rs
dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

dash-spv/src/client/**/*.rs

📄 CodeRabbit inference engine (dash-spv/CLAUDE.md)

Client module should provide high-level API through DashSpvClient and configuration via ClientConfig

Files:

dash-spv/src/client/sync_coordinator.rs

dash-spv/src/validation/**/*.rs

📄 CodeRabbit inference engine (dash-spv/CLAUDE.md)

Validation module should support configurable validation modes (ValidationMode::None, ValidationMode::Basic, ValidationMode::Full) with header validation, ChainLock, and InstantLock verification

Files:

dash-spv/src/validation/headers.rs
dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

🧠 Learnings (22)

📓 Common learnings

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/src/validation/**/*.rs : Validation module should support configurable validation modes (`ValidationMode::None`, `ValidationMode::Basic`, `ValidationMode::Full`) with header validation, ChainLock, and InstantLock verification

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/src/sync/**/*.rs : Synchronization should use `SyncManager` for phase-based coordination: Phase 1 (Headers), Phase 2 (Masternode List), Phase 3 (Filter Headers), Phase 4 (Filters), Phase 5 (Blocks)

Learnt from: DCG-Claude
Repo: dashpay/rust-dashcore PR: 0
File: :0-0
Timestamp: 2025-06-26T16:01:37.609Z
Learning: The mempool tracking infrastructure (UnconfirmedTransaction, MempoolState, configuration, and mempool_filter.rs) is fully implemented and integrated in the Dash SPV client as of this PR, including client logic, FFI APIs, and tests.

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/src/client/**/*.rs : Client module should provide high-level API through `DashSpvClient` and configuration via `ClientConfig`

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: swift-dash-core-sdk/Examples/DashHDWalletExample/CLAUDE.md:0-0
Timestamp: 2025-12-01T08:01:00.652Z
Learning: Applies to swift-dash-core-sdk/Examples/DashHDWalletExample/**/*.swift : Use DashSDK's public methods, not direct SPVClient access, when accessing SPV functionality in Swift code

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/**/*.rs : Use trait-based abstractions for core components like `NetworkManager` and `StorageManager` to enable swappable implementations

📚 Learning: 2025-12-04T15:51:59.632Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/src/validation/**/*.rs : Validation module should support configurable validation modes (`ValidationMode::None`, `ValidationMode::Basic`, `ValidationMode::Full`) with header validation, ChainLock, and InstantLock verification

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers.rs
dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-04T15:51:59.632Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/src/sync/**/*.rs : Synchronization should use `SyncManager` for phase-based coordination: Phase 1 (Headers), Phase 2 (Masternode List), Phase 3 (Filter Headers), Phase 4 (Filters), Phase 5 (Blocks)

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-04T15:51:59.632Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/tests/**/*.rs : Integration tests should be organized in `tests/` directory with comprehensive test suites for network layer, storage layer, header sync, and real network integration

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-04T15:51:59.632Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/**/*.rs : Use trait-based abstractions for core components like `NetworkManager` and `StorageManager` to enable swappable implementations

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers.rs
dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-04T15:51:59.632Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/src/error.rs : Maintain domain-specific error types in `error.rs` with variants for `NetworkError`, `StorageError`, `SyncError`, `ValidationError`, and `SpvError` (top-level wrapper)

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers.rs

📚 Learning: 2025-12-01T08:00:50.618Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: swift-dash-core-sdk/CLAUDE.md:0-0
Timestamp: 2025-12-01T08:00:50.618Z
Learning: Run `./sync-headers.sh` to copy updated headers to Swift SDK after rebuilding dash-spv-ffi

Applied to files:

dash-spv/src/client/sync_coordinator.rs

📚 Learning: 2025-12-04T15:51:59.632Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/**/*.rs : Use Minimum Rust Version (MSRV) 1.89 and ensure all code compiles with `cargo check --all-features`

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-04T15:51:59.632Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv/CLAUDE.md:0-0
Timestamp: 2025-12-04T15:51:59.632Z
Learning: Applies to dash-spv/src/client/**/*.rs : Client module should provide high-level API through `DashSpvClient` and configuration via `ClientConfig`

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/mod.rs

📚 Learning: 2025-12-01T08:00:37.919Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: key-wallet/CLAUDE.md:0-0
Timestamp: 2025-12-01T08:00:37.919Z
Learning: Applies to key-wallet/**/{wallet,account,managed_account,address_pool}/**/*.rs : Always validate network consistency: use the account's network type when creating addresses and assert that operations use the expected network to prevent mainnet/testnet mixing

Applied to files:

dash-spv/src/client/sync_coordinator.rs
dash-spv/src/validation/headers_test.rs

📚 Learning: 2025-06-26T16:02:42.390Z

Learnt from: DCG-Claude
Repo: dashpay/rust-dashcore PR: 0
File: :0-0
Timestamp: 2025-06-26T16:02:42.390Z
Learning: Passing exclusive mutable references to network and storage managers into the sync manager in async Rust can lead to borrow checker issues or runtime contention if concurrent access is needed elsewhere. It's advisable to document this architectural tradeoff and consider refactoring to interior mutability or message passing for shared access as the codebase evolves.

Applied to files:

dash-spv/src/client/sync_coordinator.rs

📚 Learning: 2025-12-01T08:00:50.618Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: swift-dash-core-sdk/CLAUDE.md:0-0
Timestamp: 2025-12-01T08:00:50.618Z
Learning: Applies to swift-dash-core-sdk/**/*.swift : Convert FFI errors to Swift errors via `DashSDKError` at FFI boundary

Applied to files:

dash-spv/src/validation/headers.rs

📚 Learning: 2025-12-01T07:59:46.015Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-01T07:59:46.015Z
Learning: Applies to **/*.rs : Use proper error types with thiserror crate and propagate errors appropriately in Rust code

Applied to files:

dash-spv/src/validation/headers.rs

📚 Learning: 2025-12-01T07:59:58.608Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv-ffi/CLAUDE.md:0-0
Timestamp: 2025-12-01T07:59:58.608Z
Learning: Applies to dash-spv-ffi/src/**/*.rs : Use thread-local storage for error propagation via `dash_spv_ffi_get_last_error()` function

Applied to files:

dash-spv/src/validation/headers.rs

📚 Learning: 2025-12-01T07:59:58.608Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: dash-spv-ffi/CLAUDE.md:0-0
Timestamp: 2025-12-01T07:59:58.608Z
Learning: Applies to dash-spv-ffi/tests/unit/**/*.rs : Add corresponding unit tests in `tests/unit/` for each new FFI function

Applied to files:

dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-01T08:00:37.919Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: key-wallet/CLAUDE.md:0-0
Timestamp: 2025-12-01T08:00:37.919Z
Learning: Applies to key-wallet/**/tests/**/*.rs : Organize tests by functionality: BIP32 key derivation, mnemonic generation/validation, address generation/validation, path derivation, and PSBT serialization in separate test files

Applied to files:

dash-spv/src/validation/headers_test.rs

📚 Learning: 2025-12-01T07:59:46.015Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-01T07:59:46.015Z
Learning: Applies to **/tests/**/*.rs : Test both mainnet and testnet configurations

Applied to files:

dash-spv/src/validation/headers_test.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-01T08:01:18.174Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-01T08:01:18.174Z
Learning: Applies to **/tests/**/*.rs : Integration tests use `tests/` directory (e.g., `rpc-integration-test`)

Applied to files:

dash-spv/src/validation/headers_test.rs

📚 Learning: 2025-12-01T08:01:18.174Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-01T08:01:18.174Z
Learning: Cover critical parsing, networking, SPV, and wallet flows with tests; add regression tests for fixes; consider property tests with `proptest`

Applied to files:

dash-spv/src/validation/headers_test.rs

📚 Learning: 2025-12-01T08:01:00.652Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: swift-dash-core-sdk/Examples/DashHDWalletExample/CLAUDE.md:0-0
Timestamp: 2025-12-01T08:01:00.652Z
Learning: Applies to swift-dash-core-sdk/Examples/DashHDWalletExample/**/*.swift : Use DashSDK's public methods, not direct SPVClient access, when accessing SPV functionality in Swift code

Applied to files:

dash-spv/src/validation/mod.rs

📚 Learning: 2025-12-01T08:00:50.618Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: swift-dash-core-sdk/CLAUDE.md:0-0
Timestamp: 2025-12-01T08:00:50.618Z
Learning: When making changes to Rust FFI in dash-spv-ffi, rebuild with `cargo build --release` and run Swift tests to verify integration

Applied to files:

dash-spv/src/validation/mod.rs
dash-spv/src/validation/headers_edge_test.rs

📚 Learning: 2025-12-01T07:59:46.015Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-01T07:59:46.015Z
Learning: Applies to **/tests/**/*.rs : Write integration tests for network operations in Rust

Applied to files:

dash-spv/src/validation/headers_edge_test.rs

🧬 Code graph analysis (5)

dash-spv/src/client/sync_coordinator.rs (1)

dash-spv/src/validation/headers.rs (1)

validate_headers (10-56)

dash-spv/src/validation/headers.rs (2)

dash-spv/src/types.rs (1)

header (67-69)

dash/src/blockdata/block.rs (1)

target (66-68)

dash-spv/src/validation/headers_test.rs (2)

dash-spv/src/validation/headers.rs (1)

validate_headers (10-56)

dash-spv/src/types.rs (1)

header (67-69)

dash-spv/src/validation/mod.rs (1)

dash-spv/src/validation/headers.rs (1)

validate_headers (10-56)

dash-spv/src/validation/headers_edge_test.rs (2)

dash-spv/src/validation/headers.rs (1)

validate_headers (10-56)

dash-spv/src/types.rs (1)

header (67-69)

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🔇 Additional comments (13)

dash-spv/src/client/sync_coordinator.rs (2)

21-22: LGTM!

The imports correctly reference the new functional API (validate_headers) and ValidationMode from the validation module. This aligns with the refactoring that removes ValidationManager in favor of a simpler standalone function approach.

951-953: LGTM! Appropriate validation mode for stored headers.

Using ValidationMode::Basic for headers loaded from storage is the right choice. These headers were already fully validated when first received during sync; re-running PoW validation (Full mode) would be wasteful. Basic mode still ensures chain continuity is intact, which is sufficient to detect any storage corruption.

dash-spv/src/validation/mod.rs (1)

7-9: LGTM! Clean module simplification.

The public API now correctly exports validate_headers as the primary header validation entry point. The simplified module structure aligns well with the functional approach, while preserving the other validators (InstantLockValidator, QuorumManager, etc.) for their respective validation concerns. Based on learnings, the validation module properly supports configurable validation modes through this API.

dash-spv/src/validation/headers_test.rs (3)

5-8: LGTM!

Imports correctly updated to use the new validate_headers function via the parent module path.

117-122: Good test coverage improvement.

Iterating over all ValidationMode variants for the empty chain test ensures consistent behavior across all modes. This is a clean pattern for testing mode-agnostic behavior.

28-113: LGTM! Comprehensive test coverage.

The tests properly cover the key validation scenarios:

ValidationMode::None bypasses all validation

ValidationMode::Basic checks chain continuity but skips PoW

ValidationMode::Full includes PoW validation

All assertions correctly use the new functional API.

dash-spv/src/validation/headers_edge_test.rs (3)

5-13: LGTM!

Import correctly updated to use the new validate_headers function. The edge case tests provide excellent coverage of boundary conditions.

34-46: Good multi-network coverage.

Testing genesis block validation across Dash, Testnet, and Regtest networks ensures the validation logic works correctly regardless of network configuration. As per coding guidelines, testing both mainnet and testnet configurations is important.

203-244: LGTM! Large chain validation test.

The 1000-header chain test with a mid-chain break is valuable for verifying validation performance and correctness at scale.

dash-spv/src/validation/headers.rs (4)

9-14: LGTM! Clean early return for disabled validation.

The early return for ValidationMode::None is efficient and the debug log provides useful observability without impacting performance.

18-27: Chain continuity logic is correct.

The validation correctly ensures each header's prev_blockhash matches the hash of the preceding header. Starting with prev_block_hash = None allows the first header in the slice to pass (no predecessor to check against), which is the expected behavior for validating a chain segment.

29-44: PoW validation error mapping looks correct.

The mapping of DashError variants to ValidationError is appropriate:

BlockBadProofOfWork → InvalidProofOfWork

BlockBadTarget → InvalidHeaderChain with context

Other errors → InvalidHeaderChain with debug format

This provides clear error categorization for consumers.

49-55: Good observability with timing information.

The debug log includes header count, validation mode, and duration, which is valuable for performance monitoring and debugging. Using tracing::debug! keeps the overhead minimal in production.

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dash-spv/src/validation/headers.rs

- Some simplifications and name changes - Some unused code - Add header validation timing logs - Dropping `ValidationManager` as its not really used and not needed - Dropping the `HeaderValidator` making `validate_headers` a standalone function now located in `sync::headers::validation` - Making the `ValidationMode::Full` mode checking PoW by default, not based on yet another parameter

xdustinface mentioned this pull request Dec 4, 2025

refactor: Cleanup HeaderValidator and ValidationManager #234

Closed

xdustinface force-pushed the refactor/validation-improved branch from 59bda65 to 0ed692c Compare December 4, 2025 03:09

xdustinface mentioned this pull request Dec 4, 2025

chore: Move header validation into sync::headers::validation #238

Merged

xdustinface force-pushed the chore/sync-restructuring branch 3 times, most recently from b93ff0e to ed72f5b Compare December 4, 2025 16:35

xdustinface force-pushed the refactor/validation-improved branch from 0ed692c to a704e4d Compare December 4, 2025 21:52

xdustinface marked this pull request as ready for review December 4, 2025 21:52

xdustinface changed the base branch from chore/sync-restructuring to v0.41-dev December 4, 2025 21:52

ZocoLini approved these changes Dec 5, 2025

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pauldelucia approved these changes Dec 5, 2025

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xdustinface force-pushed the refactor/validation-improved branch from a704e4d to fb7ef8f Compare December 5, 2025 10:02

xdustinface merged commit 5d702ed into v0.41-dev Dec 5, 2025
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refactor: Cleanup SPV validation #237

refactor: Cleanup SPV validation #237

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xdustinface commented Dec 4, 2025 •

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coderabbitai bot commented Dec 4, 2025 •

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refactor: Cleanup SPV validation #237

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xdustinface commented Dec 4, 2025 •

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