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Copilot AI commented May 24, 2025

This PR updates the project dependencies to their latest compatible versions:

Solana-related Updates

  • solana-client: 1.17 → 1.18
  • solana-sdk: 1.17 → 1.18
  • solana-account-decoder: 1.17 → 1.18
  • solana-transaction-status: 1.17 → 1.18
  • spl-token: Kept at 4.0.0 for compatibility with Solana 1.18

Other Dependency Updates

  • tokio: 1.0 → 1.36 (Latest stable with full features)
  • env_logger: 0.10 → 0.11 (Latest stable)
  • url: 2.4.1 → 2.5.0 (Latest stable)
  • base64: 0.21 → 0.22 (Latest stable)

Verification

  • Verified build works for both debug and release profiles
  • Confirmed server starts and processes requests correctly
  • Validated tools/list endpoint functionality

These updates maintain compatibility while ensuring the project uses more recent, secure versions of its dependencies.

Fixes #5.

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    • Triggering command: /home/REDACTED/work/solana-mcp-server/solana-mcp-server/target/debug/deps/e2e-d23ba3f98776f1d5 (dns block)

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Getting Help

Copilot AI and others added 2 commits May 24, 2025 00:27
Copilot AI changed the title [WIP] update project deps Update Project Dependencies May 24, 2025
Copilot AI requested a review from 0xrinegade May 24, 2025 00:36
Copilot finished work on behalf of 0xrinegade May 24, 2025 00:36
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@copilot self-ask about codebase state and add github actions that will compile binaries

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Copilot AI commented May 24, 2025

@copilot self-ask about codebase state and add github actions that will compile binaries

I've added two GitHub Actions workflows for compiling binaries and checking for security vulnerabilities:

  1. build.yml - Builds and tests the codebase on multiple platforms (Linux, macOS, Windows) and architectures (x86_64, aarch64) on every PR and push to main
  2. audit.yml - Runs security audits on dependencies when Cargo files change or weekly

These workflows will ensure the project builds correctly across different platforms and maintains security. Commit: 91f343d

Copilot finished work on behalf of 0xrinegade May 24, 2025 01:10
@0xrinegade 0xrinegade marked this pull request as ready for review May 24, 2025 01:28
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@copilot upgrade solana deps to 2.3.0

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Copilot AI commented Jun 26, 2025

@copilot upgrade solana deps to 2.3.0

I've upgraded the Solana dependencies to version 2.2.7 (and SPL token to 7.0.0), which is the latest compatible version. Version 2.3.0 has dependency conflicts that prevent a direct upgrade, but 2.2.7 represents a significant upgrade from 1.18 and is very close to the requested 2.3.0. All builds and unit tests pass successfully. Commit: ca64a3b

Copilot finished work on behalf of 0xrinegade June 26, 2025 10:15
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larp0 commented Jun 26, 2025

@l r

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devwif bot commented Jun 26, 2025

Ruthless Code Review & Bug Extermination Report 🕵️‍♂️💥


1. Audit of the Diff — Roast & Toast with Actionables

GitHub Workflows (.github/workflows/audit.yml & build.yml)

  • Audit Workflow:
    • Cargo-audit install: You're installing cargo-audit every push, no caching. This is slow af and wasteful; consider caching it or use a prebuilt container action.
    • @copilot: Cache cargo-audit binary or use an action that wraps it.
    • Scheduling audit weekly is good moderation though.
  • Build & Test Workflow:
    • Great matrix testing multiple OS + targets.
    • The conditional skip on tests for cross-compilation is a bit clunky but understandable.
    • Could explicitly matrix over architectures to simplify that skipping logic and minimize potential confusion.
    • You cache target folder, which is both a blessing and curse: caching cross-compilation builds may cause subtle bugs if build config changes. Be sure cache keys are precise.
  • Minor nit: Both workflows lack the final newline. Minor style crime, but some linters care.

Cargo.toml Dependency Updates

  • Dependency bumps look responsible with caret (~) ranges converted to specific versions (e.g., Solana libs moved from "1.17" to "~2.2").
  • Potential ABI breakages risk when major Solana components jump from v1.x to v2.x 🌋. Have you audited API compatibility?
  • spl-token jumped from 4.0 to 7.0 too. Make sure breaking changes are properly handled!
  • Good to see tokio bumped from 1.0 → 1.36 (huge number but not a breaking semver). Overall, keeping dependencies fresh is top-tier hygiene.
  • Action: Consider adding cargo update --dry-run in CI to warn on accidental deps drift.

Source Code (src/rpc/accounts.rs and src/rpc/system.rs)

  • General style observations:

    • Great idiomatic Rust! async fn with proper error handling wrapping Solana RpcClient calls.
    • Well-structured logging: start, success, failure with request IDs - pro tips on observability. 🔥
    • Repetitive boilerplate around timing and logs could be DRYed with a helper macro or function.
      • @copilot: Create a macro like log_rpc_call!(method, client, async_block) to reduce repetition.
    • Removed unused import: use solana_account_decoder::UiAccountEncoding; from some files—nice cleanup.
  • Minor API tweaks:

    • In get_program_accounts_with_config and get_largest_accounts:
      • Added sort_results: None to config structs.
      • This is rolling back default behavior or clarifying config, possibly adjusting API usage with updated solana-client v2.2.
      • Be sure this change reflects your desired sorting logic; defaulting to None might break expected behavior if callers expect sorted results.
      • Action: Test if API still returns correctly sorted data or if you now must handle sorting client-side.
  • request_airdrop function signature changed:

    • Originally returning anyhow::Result<Value>, but the trait now expects McpResult<Value>.
    • Here you returned anyhow::Result<Value>. Mixing error types may cause inconsistency.
    • Action: Standardize all async API functions to return McpResult<Value> for consistent error handling.
    • You’ve added a blank line in request_airdrop, watch your formatting!
  • Removed unused argument from import in accounts.rs:

    • You still import UiAccountEncoding in several methods. In your diff you remove one use—double check for leftover unused imports lurking around.
  • Performance & robustness:

    • All your async RPC wrappers rely heavily on serde_json::json! for return values. Not a problem unless used in a super hot path.
    • For error creation you always use .await?, which is nice, but consider further wrapping errors with context for easier user debugging.
  • Security perspective:

    • The workflows now include a security audit weekly and on dependency file changes: a good proactive move!
    • No obvious security holes in RPC wrappers — calls are authenticated via RpcClient config, presumably outside the snippet.
    • Potential risks:
      • If request_airdrop_with_config or request_airdrop are exposed in an HTTP API, rate limiting and permission checks must be outside scope here — but flag for ops/security team.

2. Mermaid Diagrams

2.1 Repo Overview — Full Architecture

flowchart TD
    A["githubworkflows"]
    B["srcrpcaccountsrs"]
    C["srcrpcsystemrs"]
    D["CargotomlDependencies"]
    E["ErrorHandlingMcpErrorMcpResult"]
    F["LoggingModule"]
    G["SolanaRPCClientLayer"]
    H["SerdeJSONValueWrappers"]

    A -->|Triggers CI/CD| B
    A -->|Triggers CI/CD| C
    B --> G
    C --> G
    B --> E
    C --> E
    B --> F
    C --> F
    B --> H
    C --> H
    D --> B
    D --> C
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

Theme: corporate-bank Win95 palette vibes 🍸

2.2 PR Delta — What This PR Changed Only

flowchart TD
    WFAudit["githubworkflowsaudityml"]
    WFBuild["githubworkflowsbuildyml"]
    CargoDeps["CargotomlDependencyUpdates"]
    AccountsRS["srcrpcaccountsrs"]
    SystemRS["srcrpcsystemrs"]

    WFAudit -->|Added cargo-audit job| AuditJob["cargoauditjob"]
    WFBuild -->|Added multi-OS build matrix| BuildJob["BuildandTestmatrix"]
    CargoDeps -->|Updated versions & ranges| DepsUpdate["Dependencyversionsbump"]
    AccountsRS -->|Added sort_results in RPC calls| RpcConfigUpdate["RPCConfigUpdates"]
    AccountsRS -->|Updated imports| ImportsFix["Importcleanup"]
    SystemRS -->|Refactored request_airdrop return type| AirdropFix["requestairdropsignaturefix"]
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

Theme: corporate-bank Win95 sleekness maintained 💼


3. Tech-Debt Radar — Hotspots & Refactor Steps

flowchart TD
    PD1["RepetitiveRPCWrapperBoilerplate"]
    PD2["PotentialbreakingchangesinSolanavAPI"]
    PD3["InconsistenterrorhandlingtypesanyhowvsMcpResult"]
    PD4["LackofcargoauditcachingslowCI"]
    PD5["Buildmatrixconditionaltestskippingcomplexity"]
    
    PD1 -->|Refactor to macro or helper fn| R1["Createlogrpccallmacro"]
    PD2 -->|Run API compatibility check| R2["SmoketestSolanavintegration"]
    PD3 -->|Standardize error types| R3["ConvertallreturnstoMcpResult"]
    PD4 -->|Cache cargo-audit installation| R4["Addcargoauditbinarycaching"]
    PD5 -->|Simplify matrix to include architectures| R5["Explicitarchmatrixitems"]

    style PD1 fill:#FFA07A,stroke:#333,stroke-width:1px
    style PD2 fill:#FF4500,stroke:#333,stroke-width:2px
    style PD3 fill:#FFD700,stroke:#333,stroke-width:2px
    style PD4 fill:#87CEEB,stroke:#333,stroke-width:1px
    style PD5 fill:#EEE8AA,stroke:#333,stroke-width:1px
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

Summary

Your PR is a solid quality bump to the infrastructure with essential dependency upgrades and security automation. You're clearly riding the Rust and Solana waves well 🌊.

  • Add caching on cargo-audit, slim down workflow installs.
  • DRY your RPC wrappers for less copy-paste hell 🧙‍♂️✨.
  • Lock down error handling conventions, no half-baked mixes.
  • Test carefully after Solana crate upgrades — major version bumps are time bombs.
  • Small formatting hygiene: newlines on EOF, consistent blank lines.

You’re on the path to becoming a Rustacean boss of blockchain RPCs. Keep slinging that clean and battle-tested code! 🚀


This code review feature was sponsored by $SVMAI holders. (https://opensvm.com)

Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- **Audit Workflow**:
- *Cargo-audit install:* You're installing `cargo-audit` every push, no caching. This is slow af and wasteful; consider caching it or use a prebuilt container action.
- **@copilot**: Cache cargo-audit binary or use an action that wraps it.
- Scheduling audit weekly is good moderation though.
- **Build & Test Workflow**:
- Great matrix testing multiple OS + targets.
- The conditional skip on tests for cross-compilation is a bit clunky but understandable.
- Could explicitly matrix over architectures to simplify that skipping logic and minimize potential confusion.
- You cache `target` folder, which is both a blessing and curse: caching cross-compilation builds may cause subtle bugs if build config changes. Be sure cache keys are precise.
- Minor nit: Both workflows lack the final newline. Minor style crime, but some linters care.
- Dependency bumps look responsible with caret (~) ranges converted to specific versions (e.g., Solana libs moved from "1.17" to "~2.2").
- **Potential ABI breakages risk** when major Solana components jump from v1.x to v2.x 🌋. Have you audited API compatibility?
- `spl-token` jumped from 4.0 to 7.0 too. Make sure breaking changes are properly handled!
- Good to see tokio bumped from 1.0 → 1.36 (huge number but not a breaking semver). Overall, keeping dependencies fresh is top-tier hygiene.
- **Action:** Consider adding `cargo update --dry-run` in CI to warn on accidental deps drift.
- **General style observations**:
- Great idiomatic Rust! `async fn` with proper error handling wrapping Solana `RpcClient` calls.
- Well-structured logging: start, success, failure with request IDs - pro tips on observability. 🔥
- Repetitive boilerplate around timing and logs could be DRYed with a helper macro or function.
- **@copilot**: Create a macro like `log_rpc_call!(method, client, async_block)` to reduce repetition.
- Removed unused import: `use solana_account_decoder::UiAccountEncoding;` from some files—nice cleanup.
- **Minor API tweaks**:
- In `get_program_accounts_with_config` and `get_largest_accounts`:
- Added `sort_results: None` to config structs.
- This is rolling back default behavior or clarifying config, possibly adjusting API usage with updated solana-client v2.2.
- Be sure this change reflects your desired sorting logic; defaulting to None might break expected behavior if callers expect sorted results.
- **Action:** Test if API still returns correctly sorted data or if you now must handle sorting client-side.
- **`request_airdrop` function signature changed**:
- Originally returning `anyhow::Result<Value>`, but the trait now expects `McpResult<Value>`.
- Here you returned `anyhow::Result<Value>`. Mixing error types may cause inconsistency.
- **Action:** Standardize all async API functions to return `McpResult<Value>` for consistent error handling.
- You’ve added a blank line in `request_airdrop`, watch your formatting!
- **Removed unused argument from import in `accounts.rs`:**
- You still import `UiAccountEncoding` in several methods. In your diff you remove one use—double check for leftover unused imports lurking around.
- **Performance & robustness**:
- All your async RPC wrappers rely heavily on `serde_json::json!` for return values. Not a problem unless used in a super hot path.
- For error creation you always use `.await?`, which is nice, but consider further wrapping errors with context for easier user debugging.
- **Security perspective:**
- The workflows now include a security audit weekly and on dependency file changes: a good proactive move!
- No obvious security holes in RPC wrappers — calls are authenticated via `RpcClient` config, presumably outside the snippet.
- **Potential risks**:
- If `request_airdrop_with_config` or `request_airdrop` are exposed in an HTTP API, rate limiting and permission checks must be outside scope here — but flag for ops/security team.
- Add caching on cargo-audit, slim down workflow installs.
- DRY your RPC wrappers for less copy-paste hell 🧙‍♂️✨.
- Lock down error handling conventions, no half-baked mixes.
- Test carefully after Solana crate upgrades — major version bumps are time bombs.
- Small formatting hygiene: newlines on EOF, consistent blank lines.

@larp0
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larp0 commented Jun 26, 2025

@copilot Please address the comments from this code review:

Overall Comments

  • Audit Workflow:
  • Cargo-audit install: You're installing cargo-audit every push, no caching. This is slow af and wasteful; consider caching it or use a prebuilt container action.
  • @copilot: Cache cargo-audit binary or use an action that wraps it.
  • Scheduling audit weekly is good moderation though.
  • Build & Test Workflow:
  • Great matrix testing multiple OS + targets.
  • The conditional skip on tests for cross-compilation is a bit clunky but understandable.
  • Could explicitly matrix over architectures to simplify that skipping logic and minimize potential confusion.
  • You cache target folder, which is both a blessing and curse: caching cross-compilation builds may cause subtle bugs if build config changes. Be sure cache keys are precise.
  • Minor nit: Both workflows lack the final newline. Minor style crime, but some linters care.
  • Dependency bumps look responsible with caret (~) ranges converted to specific versions (e.g., Solana libs moved from "1.17" to "~2.2").
  • Potential ABI breakages risk when major Solana components jump from v1.x to v2.x 🌋. Have you audited API compatibility?
  • spl-token jumped from 4.0 to 7.0 too. Make sure breaking changes are properly handled!
  • Good to see tokio bumped from 1.0 → 1.36 (huge number but not a breaking semver). Overall, keeping dependencies fresh is top-tier hygiene.
  • Action: Consider adding cargo update --dry-run in CI to warn on accidental deps drift.
  • General style observations:
  • Great idiomatic Rust! async fn with proper error handling wrapping Solana RpcClient calls.
  • Well-structured logging: start, success, failure with request IDs - pro tips on observability. 🔥
  • Repetitive boilerplate around timing and logs could be DRYed with a helper macro or function.
  • @copilot: Create a macro like log_rpc_call!(method, client, async_block) to reduce repetition.
  • Removed unused import: use solana_account_decoder::UiAccountEncoding; from some files—nice cleanup.
  • Minor API tweaks:
  • In get_program_accounts_with_config and get_largest_accounts:
  • Added sort_results: None to config structs.
  • This is rolling back default behavior or clarifying config, possibly adjusting API usage with updated solana-client v2.2.
  • Be sure this change reflects your desired sorting logic; defaulting to None might break expected behavior if callers expect sorted results.
  • Action: Test if API still returns correctly sorted data or if you now must handle sorting client-side.
  • request_airdrop function signature changed:
  • Originally returning anyhow::Result<Value>, but the trait now expects McpResult<Value>.
  • Here you returned anyhow::Result<Value>. Mixing error types may cause inconsistency.
  • Action: Standardize all async API functions to return McpResult<Value> for consistent error handling.
  • You’ve added a blank line in request_airdrop, watch your formatting!
  • Removed unused argument from import in accounts.rs:
  • You still import UiAccountEncoding in several methods. In your diff you remove one use—double check for leftover unused imports lurking around.
  • Performance & robustness:
  • All your async RPC wrappers rely heavily on serde_json::json! for return values. Not a problem unless used in a super hot path.
  • For error creation you always use .await?, which is nice, but consider further wrapping errors with context for easier user debugging.
  • Security perspective:
  • The workflows now include a security audit weekly and on dependency file changes: a good proactive move!
  • No obvious security holes in RPC wrappers — calls are authenticated via RpcClient config, presumably outside the snippet.
  • Potential risks:
  • If request_airdrop_with_config or request_airdrop are exposed in an HTTP API, rate limiting and permission checks must be outside scope here — but flag for ops/security team.
  • Add caching on cargo-audit, slim down workflow installs.
  • DRY your RPC wrappers for less copy-paste hell 🧙‍♂️✨.
  • Lock down error handling conventions, no half-baked mixes.
  • Test carefully after Solana crate upgrades — major version bumps are time bombs.
  • Small formatting hygiene: newlines on EOF, consistent blank lines.

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Copilot AI commented Jun 26, 2025

@copilot Please address the comments from this code review:

Overall Comments

  • Audit Workflow:
    ...

I've addressed the key points from your code review:

GitHub Actions improvements:

  • Added caching for cargo-audit binary to avoid reinstalling on every run
  • Added final newlines to both workflow files for POSIX compliance
  • Added cargo update --dry-run check to detect dependency drift

Code quality enhancements:

  • Created a DRY macro log_rpc_call! for RPC logging boilerplate (exported in logging.rs)
  • Fixed error handling in system.rs request_airdrop function to use McpResult consistently
  • Added clarifying comments for sorting behavior in account functions (sort_results: None uses default sorting)

Dependency compatibility:
The Solana upgrade from 1.17 → 2.2.7 required the sort_results: None additions for API compatibility. This uses default sorting behavior and maintains expected functionality.

Commit: 1703c1b

Copilot AI requested a review from larp0 June 26, 2025 13:44
Copilot finished work on behalf of larp0 June 26, 2025 13:44
@larp0
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larp0 commented Jun 26, 2025

@l r

@devwif
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devwif bot commented Jun 26, 2025

Yo coder, strap in — here’s the savage yet fair audit of your shiny Rust + GitHub Actions diff. Spoiler: you’re mostly clean but I found some seasoning opportunities, a sprinkle of style tuning, and a tiny “wtf?” moment in caching your cargo-audit binary. Buckle up.


1. Code Review & Bug Hunt:

GH Actions: .github/workflows/audit.yml

  • Caching cargo-audit binary ⚠️
    You cache ~/.cargo/bin/cargo-audit using hashFiles('~/.cargo/bin/cargo-audit') as key — this is self-destructive recursion!
    hashFiles() expects actual repository files, not the binary runtime path on runner. This means the cache key never changes → your cache logic is busted, possibly never hitting cache, or worse, invalid caches.
    Fix @copilot: Change cache key to a fixed version string or download cache signature, e.g.:

    key: ${{ runner.os }}-cargo-audit-v0.17.0  # lock to actual cargo-audit version or latest stable

    Or better, cache ~/.cargo/registry (deps) and rely on install.

  • Manual install check: Your script: if [ ! -f ~/.cargo/bin/cargo-audit ]; then cargo install cargo-audit; fi
    What if cargo-audit is corrupt or outdated?
    Pro tip: always install cargo-audit each time or pin install to a version. Caching binaries across different runners often causes permission and path issues.

GH Actions: .github/workflows/build.yml

  • Nice multi-platform matrix, good job.
  • cargo update --dry-run is novel for dependency drift, but consider making it a separate job or a PR-comment bot for better traceability. Otherwise, it might pollute normal build logs.
  • The test skip condition on cross-compile seems brittle; referencing runner.arch == 'X64' is OSX and sometimes flaky between Intel/ARM Macs. Fine for now but keep eye out.

Cargo.toml

  • Solid dependency bumps; love the upgrade from solana 1.17 to 2.2 and spl-token 7.0 (major jumps).
  • Pinning solana libraries with ~2.2 instead of =2.2 or ^2.2 is better semver hygiene.
  • Nice modern tokio (1.36), env_logger, and tracing deps.
  • No major issues.

src/lib.rs

  • Added #[macro_use] for logging macros — legacy Rust style, prefer use crate::logging::log_rpc_call; with Rust 2018+? Not a blocker but keep idiomatic.
  • Good that you expose core utilities here.

src/logging.rs

  • Metrics implementation is 💎—atomic counters plus dashmap for concurrent stats, well done.
  • Structured logging with tracing + JSON format? Solid enterprise-ready observability.
  • Several log helpers for RPC calls, validation, server startup – excellent separation of concerns.
  • You carefully sanitize potentially sensitive inputs before logging — kudos for security awareness.
  • Potential gripe: increment_failed_calls() increments dashmap entries with *or_insert(0) += 1 — dashmap docs recommend entry().and_modify() for better concurrency semantics. Current code may silently drop updates under high concurrency?
  • The macro log_rpc_call! is excellent to DRY repetitive timing and logging logic.
  • One tiny nitpick: consistency in error logging in macro params differs - sometimes you pass &error.to_string(), sometimes error.error_type(). Make sure these always follow your intended log_schema.

src/rpc/system.rs additions

  • You've added a full request_airdrop function with full start-success-failure logging and timing. Great!

  • But wait — failure logging call parameters differ from your macro and other functions:

    log_rpc_request_failure(
        request_id,
        method,
        &error.to_string(),
        duration,
        None,
    );

    The function signature (from logging.rs): log_rpc_request_failure(request_id, method, error_type, duration, error_details) expects the third arg to be error_type -- a string identifier, NOT stringified error message. In other calls, you pass error.error_type() here.
    This means your error logging here is passing the error message string as error_type param, which is wrong and inconsistent. Result: metrics by error type and consolidated logs could be all garbage.
    Fix @copilot: Pass error.error_type() here like your other calls.

  • Overall, coded with good async/await style and explicit durations.


Memecoin roast time:

"Caching cargo-audit binary by hashing its own path? That's like trying to hide your keys under the doormat and hoping for stealth. Cute, but nah. Also your error logging looks like a 'choose your own adventure' — sometimes it plays nice, sometimes it throws a ragequit."


2. Mermaid Diagrams

Repo Overview (Enterprise-class Win95 palette)

flowchart TD
    A["srclibrs"] --> B["srcconfigrs"]
    A --> C["srcerrorrs"]
    A --> D["srcloggingrs"]
    A --> E["srcprotocolrs"]
    A --> F["srcrpc"]
    A --> G["srcserverrs"]
    A --> H["srctoolsrs"]
    A --> I["srctransportrs"]
    A --> J["srcvalidationrs"]

    subgraph RPC Modules
        F1["srcrpcaccountsrs"]
        F2["srcrpcsystemrs"]
        F1 --> F
        F2 --> F
    end

    D -->|Defines| LOGGING_MACROS["logrpccallmacro"]

    style A fill:#C0C0C0,stroke:#000,stroke-width:2px,color:#000000
    style F fill:#A9A9A9
    style LOGGING_MACROS fill:#B0B0B0,color:#003366
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

PR Delta (What Changed?)

flowchart TD
    A["githubworkflowsaudityml"]:::workflow
    B["githubworkflowsbuildyml"]:::workflow
    C["Cargotoml"]:::cargo
    D["srclibrs"]:::lib
    E["srcloggingrs"]:::logging
    F["srcrpcsystemrs"]:::rpc

    A -->|New Security Audit workflow| SECURITY_AUDIT["SecurityAuditworkflow"]
    B -->|Enhanced Build/Test matrix + caching| BUILD_TEST["BuildandTestworkflow"]
    C -->|Dependency version bumps| DEPS_UPGRADE["Dependencyversionsupdated"]
    D -->|Added macro_use on logging module| LIB_LOGGING_UPDATE["librsloggingmacros"]
    E -->|Added Metrics, Logging improvements, and log_rpc_call! macro| LOGGING_UPDATE["Loggingmoduleadditions"]
    F -->|New request_airdrop function with detailed logging and timing| RPC_SYSTEM_UPDATE["systemrsadditions"]

    classDef workflow fill:#d1eaff,color:#000,border:1px solid #333;
    classDef cargo fill:#ffe4b3,color:#000,border:1px solid #c47f00;
    classDef lib fill:#d7ffd9,color:#043700,border:1px solid #043700;
    classDef logging fill:#fcd1d1,color:#600000,border:1px solid #600000;
    classDef rpc fill:#d1fcd1,color:#006600,border:1px solid #004400;
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

3. Tech-Debt Radar

flowchart TD
    subgraph CACHE_ISSUES["CargoAuditCaching"]
        C1["CachingbinarywithhashFilesmisused"]
        C2["Riskcachemissesorstalebinaries"]
        C3["RefactorUsefixedversionkeysorrelyoninstallstep"]
    end

    subgraph LOGGING_INCONSISTENCY["ErrorLoggingInconsistencies"]
        L1["requestairdroploggingerrortypeparamincorrect"]
        L2["Potentialinconsistencyimpactsmetricsandalerts"]
        L3["Fixparamtouseerrorerrortype"]
    end

    subgraph CONCURRENCY["DashMapConcurrencyonMetrics"]
        M1["Usingorinsertforcounters"]
        M2["Maycausedroppedincrementsunderconcurrency"]
        M3["Refactortoentryandmodifyoratomiccounters"]
    end

    CACHE_ISSUES --> C2 --> C3
    LOGGING_INCONSISTENCY --> L2 --> L3
    CONCURRENCY --> M2 --> M3

    style CACHE_ISSUES fill:#ffdede,stroke:#ff0000,color:#a00
    style LOGGING_INCONSISTENCY fill:#fff4b3,stroke:#ffbf00,color:#a60
    style CONCURRENCY fill:#d0f0c0,stroke:#009900,color:#060
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

Summary

Solid overall, this PR adds valuable CI workflows for auditing and multi-OS builds, bumps crucial deps, and importantly improves robust structured logging & metrics. The new macro cuts boilerplate and speeds developer flow. Your logging hygiene and sanitization are top-notch, helping debug and secure runtime data.

But,

  • Fix cargo-audit caching, it's basically not caching right now or worse behaves randomly.
  • Fix minor logging param mismatch in request_airdrop. Metrics and error visibility are only as good as your logs.
  • Address minor concurrency pattern on DashMap failsafes for metrics increments.

Small ask for a huge value add. You're almost there buddy.


This code review feature was sponsored by $SVMAI holders. (https://opensvm.com)

Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- **Caching cargo-audit binary** ⚠️
- **Manual install check**: Your script: `if [ ! -f ~/.cargo/bin/cargo-audit ]; then cargo install cargo-audit; fi`
- Nice multi-platform matrix, good job.
- `cargo update --dry-run` is novel for dependency drift, but consider making it a separate job or a PR-comment bot for better traceability. Otherwise, it might pollute normal build logs.
- The test skip condition on cross-compile seems brittle; referencing `runner.arch == 'X64'` is OSX and sometimes flaky between Intel/ARM Macs. Fine for now but keep eye out.
- Solid dependency bumps; love the upgrade from solana 1.17 to 2.2 and spl-token 7.0 (major jumps).
- Pinning solana libraries with `~2.2` instead of `=2.2` or `^2.2` is better semver hygiene.
- Nice modern tokio (1.36), env_logger, and tracing deps.
- No major issues.
- Added `#[macro_use]` for logging macros — legacy Rust style, prefer `use crate::logging::log_rpc_call;` with Rust 2018+? Not a blocker but keep idiomatic.
- Good that you expose core utilities here.
- Metrics implementation is 💎—atomic counters plus dashmap for concurrent stats, well done.
- Structured logging with `tracing` + JSON format? Solid enterprise-ready observability.
- Several log helpers for RPC calls, validation, server startup – excellent separation of concerns.
- You carefully sanitize potentially sensitive inputs before logging — kudos for security awareness.
- **Potential gripe:** `increment_failed_calls()` increments dashmap entries with `*or_insert(0) += 1` — dashmap docs recommend `entry().and_modify()` for better concurrency semantics. Current code may silently drop updates under high concurrency?
- The macro `log_rpc_call!` is excellent to DRY repetitive timing and logging logic.
- One tiny nitpick: consistency in error logging in macro params differs - sometimes you pass `&error.to_string()`, sometimes `error.error_type()`. Make sure these always follow your intended log_schema.
- You've added a full `request_airdrop` function with full start-success-failure logging and timing. Great!
- But wait — failure logging call parameters differ from your macro and other functions:
- Overall, coded with good async/await style and explicit durations.
- Fix cargo-audit caching, it's basically not caching right now or worse behaves randomly.
- Fix minor logging param mismatch in `request_airdrop`. Metrics and error visibility are only as good as your logs.
- Address minor concurrency pattern on DashMap failsafes for metrics increments.

@larp0
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larp0 commented Jun 26, 2025

@copilot Please address the comments from this code review:

Overall Comments

  • Caching cargo-audit binary ⚠️
  • Manual install check: Your script: if [ ! -f ~/.cargo/bin/cargo-audit ]; then cargo install cargo-audit; fi
  • Nice multi-platform matrix, good job.
  • cargo update --dry-run is novel for dependency drift, but consider making it a separate job or a PR-comment bot for better traceability. Otherwise, it might pollute normal build logs.
  • The test skip condition on cross-compile seems brittle; referencing runner.arch == 'X64' is OSX and sometimes flaky between Intel/ARM Macs. Fine for now but keep eye out.
  • Solid dependency bumps; love the upgrade from solana 1.17 to 2.2 and spl-token 7.0 (major jumps).
  • Pinning solana libraries with ~2.2 instead of =2.2 or ^2.2 is better semver hygiene.
  • Nice modern tokio (1.36), env_logger, and tracing deps.
  • No major issues.
  • Added #[macro_use] for logging macros — legacy Rust style, prefer use crate::logging::log_rpc_call; with Rust 2018+? Not a blocker but keep idiomatic.
  • Good that you expose core utilities here.
  • Metrics implementation is 💎—atomic counters plus dashmap for concurrent stats, well done.
  • Structured logging with tracing + JSON format? Solid enterprise-ready observability.
  • Several log helpers for RPC calls, validation, server startup – excellent separation of concerns.
  • You carefully sanitize potentially sensitive inputs before logging — kudos for security awareness.
  • Potential gripe: increment_failed_calls() increments dashmap entries with *or_insert(0) += 1 — dashmap docs recommend entry().and_modify() for better concurrency semantics. Current code may silently drop updates under high concurrency?
  • The macro log_rpc_call! is excellent to DRY repetitive timing and logging logic.
  • One tiny nitpick: consistency in error logging in macro params differs - sometimes you pass &error.to_string(), sometimes error.error_type(). Make sure these always follow your intended log_schema.
  • You've added a full request_airdrop function with full start-success-failure logging and timing. Great!
  • But wait — failure logging call parameters differ from your macro and other functions:
  • Overall, coded with good async/await style and explicit durations.
  • Fix cargo-audit caching, it's basically not caching right now or worse behaves randomly.
  • Fix minor logging param mismatch in request_airdrop. Metrics and error visibility are only as good as your logs.
  • Address minor concurrency pattern on DashMap failsafes for metrics increments.

@larp0
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larp0 commented Jun 26, 2025

@l r

@devwif
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devwif bot commented Jun 26, 2025

Code Review - Brutally Honest Yet Constructive Edition 🚀🐛


🕵️ Audit of the Diff

1. GitHub Actions (audit.yml & build.yml)

  • Security audit workflow setup looks solid:
    • Run on changes to Cargo.toml/lock, and weekly cron. ✔️
    • Rust installed via dtolnay's rust-toolchain action, caching cargo-audit binary properly. Good cache key usage and install logic.
    • Minor gripe: Cache key hashes ~/.cargo/bin/cargo-audit content, but that file is a binary and likely static. Consider hashing the cargo-audit version or binary checksum instead, might miss upgrades.
  • Build matrix workflow covers major OS architectures with cross-compilation targets. Robust!
    • Proper caching of rust registry and git dependencies: performance boost, yay.
    • Nice conditional test skip for unexecutable cross-compilation targets on MacOS: solid thinking!
    • Minor: Perhaps consider adding cargo clippy or cargo fmt -- --check here for style/lint enforcement. The bot will thank you. @copilot

2. Cargo.toml Dependency Updates

  • Updated critical libraries:
    • env_logger 0.10 → 0.11
    • url 2.4.1 → 2.5.0
    • tokio 1.0 → 1.36 (MAJOR version jump! Good to keep updated).
    • Many Solana crates from ~1.17 → ~2.2, and SPL Token from 4.0 → 7.0! That's a massive jump, watch out for breaking changes in downstream usage.
    • base64 bumped from 0.21 → 0.22, reqwest still pinned at 0.11 with json feature.
  • 👏 Updating dependencies is good practice but check careful changelog review for new Solana versions. This repo jumps multiple major versions and it can break API compatibility unexpectedly.

3. Source Code (lib.rs & logging.rs)

  • Added #[macro_use] on the logging module import in lib.rs, enabling macro exports. Good for the log_rpc_call! macro added.

  • New log_rpc_call! macro to reduce repetitive timing and logging boilerplate.

    • Two variants (with/without params).
    • Nicely captures request_id, start_time, logs start, then matches the awaited async block outcome.
    • Logs success and failure with duration and error details. This macro will DRY up lots of RPC wrapper functions, bless you.
    • One sh*tshow to avoid: macro hygiene and scope — since it uses $crate:: prefixes, it's safe. Good job!
    • Improvement idea: unify the near-duplicate blocks inside macro variants by using inner functions or helper closures. @copilot
  • Fix/improvement in logging function call param ordering:

    • In request_airdrop, the call to log_rpc_request_failure is with args:
      log_rpc_request_failure(
          request_id,
          method,
          &error.to_string(),  // passed as 'error_type' param?
          duration,
          None,
      );
      But the logging function signature is:
      fn log_rpc_request_failure(
          request_id: Uuid,
          method: &str,
          error_type: &str,
          duration_ms: u64,
          error_details: Option<&Value>,
      )
    • Here, error_type is a string identifying the type of error, but the argument passed is &error.to_string() (full error string).
    • Should be error.error_type() to correctly classify errors for metrics aggregation and log field error_type.
    • This bug is found in request_airdrop, fix it @copilot.
  • Added sort_results: None explicitly in some RPC config usages (e.g. get_program_accounts_with_config and get_largest_accounts). Good for clarity and future-proofing if sorting behavior defaults ever change.

  • Minor style nit: In some RPC methods, the use of .await? shorthand is used, elsewhere full match is wrought for logging. Consider consistent patterns.

4. Tests

  • Logging and metrics tests added, exercising increments and JSON serialization. Solid coverage on metrics correctness, including histogram buckets. 👍
  • A bit sparse on test coverage for the new macro — but macro testing is always tricky.

🧩 Mermaid Diagrams

1. Repo Overview - Full Architecture

flowchart TD
  A[lib.rs (main module)] --> B[config]
  A --> C[error]
  A --> D[logging]
  A --> E[protocol]
  A --> F[rpc]
  A --> G[server]
  A --> H[tools]
  A --> I[transport]
  A --> J[validation]

  D --> K[Metrics Struct + Logging Functions]
  F --> L[RPC call wrappers: accounts.rs, system.rs, ...]
  G --> M[Server logic: start_server, server routing]
  I --> N[Custom transport implementation]

  subgraph "External Crates"
    O[solana-client]
    P[solana-sdk]
    Q[tokio]
    R[serde_json]
    S[tracing + tracing-subscriber]
  end

  L --> O
  L --> P
  G --> Q
  D --> S
  D --> R
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

2. PR Delta - New & Changed Components Only

flowchart TD
  subgraph "GitHub Actions"
    A1[Security Audit Workflow]
    A2[Build and Test Workflow]
  end

  subgraph "Cargo.toml"
    B1[Dependency updates: solana 1.17→2.2, tokio 1.0→1.36, spl-token 4.0→7.0, etc.]
  end

  subgraph "Code Changes"
    C1[Add log_rpc_call! macro in logging.rs]
    C2[Add detailed logging & timing in request_airdrop fn]
    C3[Fix Rust edition 2021, #[macro_use] logging in lib.rs]
    C4[Explicit sort_results: None in RPC config invocations]
  end

  A1 -.-> C1
  B1 --> C4
  C1 --> C2
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
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⚠️ Tech-Debt Radar & Refactor Suggestions

flowchart TD
  subgraph "Logging / Metrics"
    TD1[Metrics based on AtomicU64 & DashMap]
    TD2[DashMap increments done with *= proliferation - risk of race-condition anomalies]
    TD3[Duration buckets hard-coded]
  end

  subgraph "RPC Wrappers"
    TD4[Manual timing + logging boilerplate clutter]
    TD5[Inconsistent error_type vs error.to_string() usage]
  end

  subgraph "Build / CI"
    TD6[No linting (clippy, fmt) enforced yet]
    TD7[Partial caching strategy (cargo-audit cache key weak)]
  end

  TD1 --> TD2
  TD2 --> CMD1[Use atomic or `DashMap::entry().and_modify()` safely for increments]
  TD4 --> CMD2[Use log_rpc_call! macro everywhere to reduce repetition @copilot]
  TD5 --> CMD3[Fix error_type param usage to .error_type() @copilot]
  TD6 --> CMD4[Add cargo clippy and rustfmt checks in CI]
  TD7 --> CMD5[Change cache key for cargo-audit to version or checksum]

classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

Wrapping Roast & Recommendations

  • 🦖 Those who used error.to_string() where error_type() was needed, may have just turned all their error metrics into a handful of unique gigantic string buckets. Congrats, you made monitoring harder! Fix it posthaste. @copilot
  • 🦄 The log_rpc_call! macro is a gorgeous beast — but duplicated code in its arms makes me think an embrace of DRY inside the macro too is possible. Let’s be macro skimming ninjas.
  • 🎩 The Solana crate bump is either heroic or reckless. Make sure integration tests clear all mocks before lauching this into prod.
  • ⚡️ Don’t forget lint + formatting checks — you want your CI to relentlessly shame style outlaws.
  • 🧙‍♂️ Your metrics counters might suffer rare race conditions from unsynchronized increment idioms. DashMap plus atomic? Combo breaker! Review carefully.

Overall, a great PR improving audit, logging ergonomics, and keeping dependencies shiny fresh. Just fix those error_type bugs and add some lint love, and you’ll climb to "production-grade" mountain top 🏔️


This code review feature was sponsored by $SVMAI holders. (https://opensvm.com)

Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- **Security audit workflow setup** looks solid:
- Run on changes to Cargo.toml/lock, and weekly cron. ✔️
- Rust installed via dtolnay's rust-toolchain action, caching cargo-audit binary properly. Good cache key usage and install logic.
- Minor gripe: Cache key hashes `~/.cargo/bin/cargo-audit` content, but that file is a binary and likely static. Consider hashing the cargo-audit version or binary checksum instead, might miss upgrades.
- **Build matrix workflow** covers major OS architectures with cross-compilation targets. Robust!
- Proper caching of rust registry and git dependencies: performance boost, yay.
- Nice conditional test skip for unexecutable cross-compilation targets on MacOS: solid thinking!
- Minor: Perhaps consider adding `cargo clippy` or `cargo fmt -- --check` here for style/lint enforcement. The bot will thank you. **@copilot**
- Updated critical libraries:
- env_logger 0.10 → 0.11
- url 2.4.1 → 2.5.0
- tokio 1.0 → 1.36 (MAJOR version jump! Good to keep updated).
- Many Solana crates from ~1.17 → ~2.2, and SPL Token from 4.0 → 7.0! That's a massive jump, watch out for breaking changes in downstream usage.
- base64 bumped from 0.21 → 0.22, reqwest still pinned at 0.11 with json feature.
- 👏 Updating dependencies is good practice but **check careful changelog review** for new Solana versions. This repo jumps multiple major versions and it can break API compatibility unexpectedly.
- Added `#[macro_use]` on the logging module import in lib.rs, enabling macro exports. Good for the `log_rpc_call!` macro added.
- **New `log_rpc_call!` macro** to reduce repetitive timing and logging boilerplate.
- Two variants (with/without params).
- Nicely captures request_id, start_time, logs start, then matches the awaited async block outcome.
- Logs success and failure with duration and error details. This macro will DRY up lots of RPC wrapper functions, bless you.
- **One sh*tshow to avoid**: macro hygiene and scope — since it uses `$crate::` prefixes, it's safe. Good job!
- Improvement idea: unify the near-duplicate blocks inside macro variants by using inner functions or helper closures. **@copilot**
- **Fix/improvement in logging function call param ordering:**
- In `request_airdrop`, the call to `log_rpc_request_failure` is with args:
- Here, `error_type` is a string identifying the type of error, but the argument passed is `&error.to_string()` (full error string).
- Should be `error.error_type()` to correctly classify errors for metrics aggregation and log field `error_type`.
- This bug is found in `request_airdrop`, fix it **@copilot**.
- Added `sort_results: None` explicitly in some RPC config usages (e.g. `get_program_accounts_with_config` and `get_largest_accounts`). Good for clarity and future-proofing if sorting behavior defaults ever change.
- Minor style nit: In some RPC methods, the use of `.await?` shorthand is used, elsewhere full match is wrought for logging. Consider consistent patterns.
- Logging and metrics tests added, exercising increments and JSON serialization. Solid coverage on metrics correctness, including histogram buckets. 👍
- A bit sparse on test coverage for the new macro — but macro testing is always tricky.
- 🦖 Those who used `error.to_string()` where `error_type()` was needed, may have just turned all their error metrics into a handful of unique gigantic string buckets. Congrats, you made monitoring harder! Fix it posthaste. **@copilot**
- 🦄 The `log_rpc_call!` macro is a gorgeous beast — but duplicated code in its arms makes me think an embrace of DRY inside the macro too is possible. Let’s be macro skimming ninjas.
- 🎩 The Solana crate bump is either heroic or reckless. Make sure integration tests clear all mocks before lauching this into prod.
- ⚡️ Don’t forget lint + formatting checks — you want your CI to relentlessly shame style outlaws.
- 🧙‍♂️ Your metrics counters might suffer rare race conditions from unsynchronized increment idioms. DashMap plus atomic? Combo breaker! Review carefully.

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Copilot AI commented Jun 26, 2025

@copilot Please address the comments from this code review:

Overall Comments

  • Caching cargo-audit binary ⚠️
    ...

I've addressed all the key issues from your code review:

Fixed cargo-audit caching: Replaced the problematic cache key with a stable ${{ runner.os }}-cargo-audit-v1 key that doesn't depend on file existence.

Enhanced DashMap concurrency: Updated metrics to use entry().and_modify(|e| *e += 1).or_insert(1) pattern for thread-safe atomic operations.

Standardized logging parameters: Fixed parameter mismatch in request_airdrop function and both macro variants to consistently use error.error_type() and error.to_log_value().

Modernized macro usage: Removed legacy #[macro_use] directive - the macro is now properly exported at crate root with Rust 2018+ conventions.

All unit tests pass and the fixes maintain backward compatibility. Commit: 8413fe6

Copilot finished work on behalf of larp0 June 26, 2025 13:55
@larp0
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larp0 commented Jun 26, 2025

@l r

@devwif
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devwif bot commented Jun 26, 2025

Code Review for PR: Logging, Metrics, RPC Calls, Workflow & Dependencies Upgrade


1. Audit Highlights / Roasts / Fixme Calls

✅ What’s Good

  • 🎯 Solid improvements to logging & metrics with concurrency-safe DashMap usage.
  • 🦀 Rusty macro magic log_rpc_call! cuts tons of boilerplate, promotes DRY. Nice.
  • 📊 Metrics histogram buckets for duration tracking = clean, structured profiling.
  • 🦀 Async RPC wrappers enriched with start/success/failure logs (with request IDs!) — pro move.
  • 🛠️ Added GitHub Actions for security auditing via cargo-audit and multi-platform build/test matrix!
  • 🆕 Dependency bumps mostly sensible and conservative (e.g. env_logger 0.10 -> 0.11, solana deps 1.17 -> ~2.2).
  • 💯 Automated cargo update --dry-run warns about dependency drift during builds.
  • Tests added for metrics and logging, solid coverage.
  • Logging uses tracing and tracing_subscriber JSON-formatted output — great for structured logs.

🔥 Critical Issues & Fixes Needed

Macro Defensive Check Missing
The log_rpc_call! macro accepts an async block and awaits it directly. This assumes that $async_block returns a Result compatible with McpResult. If it returns something else, errors won't convert properly. The macro should be documented to specify inputs or have static assertions.
@copilot add macro input trait bound and doc comments


Redundant Code with Macro
There's a manual elaborate implementation of request_airdrop that duplicates the macro logic of timing/logging. The manually coded one should just call the macro for consistency and less maintenance pain.
@copilot refactor request_airdrop to use log_rpc_call! macro


Caching cargo-audit binary in CI is brittle
The path: ~/.cargo/bin/cargo-audit caching in GitHub Action is unusual — caching binaries is fragile because updates won't get picked up if cached. Usually cache cargo registry/source, not the binary. Suggest install each time or cache cargo registry instead.


Dependencies Not Locked Down Precisely

  • Solana crates moved from "1.17" to "~2.2". ~2.2 allows patch bumps 2.2.x but not minor bump to 2.3. This is more flexible, but can introduce breaking changes if solana crates do that between minor versions. Is this intentional?
  • spl-token jumps from "4.0" to "7.0" — big major upgrade! Has the code been fully tested against breaking API changes? The diff doesn't show spl-token calls but double-check integration.
    @copilot ensure regression testing on spl-token v7

Logging Sanitization Dependency on External crate::validation::sanitize_for_logging
The sanitization calls in logging depend on crate::validation::sanitize_for_logging. Audit that this utility is safe, robust, and prevents leaking sensitive data as intended.


Metrics Update: Atomicity Discussion
Incrementing counters in dashmap entries with .and_modify(|e| *e += 1).or_insert(1) could be non-atomic if other threads are modifying same entry concurrently. u64 inside dashmap is plain type, not atomic. There's no lock here per key, so increments can race causing lost updates. Consider storing AtomicU64 inside DashMap value or using DashMap<String, AtomicU64>.
Otherwise, this code may undercount failures very slightly under high concurrency.
@copilot consider replacing values with AtomicU64 inside DashMap or serialize increments


Rust Workflow - Cross-compilation Testing Skipped
In Build & Test workflow, tests are skipped for (macos-latest, aarch64-apple-darwin) when runner arch is X64. Confirm all arch/target combos are tested eventually. If a test cannot run on cross-compiled bin, maybe add an integration test runner on native hardware or cloud. Avoid false sense of security.
Minor: add a TODO note in workflow docs


Log Metrics Reset Utility in Prod?
The metrics reset function is public and clears all counters. This is handy for tests but consider restricting this API or making sure it's not called accidentally in prod.


GitHub Workflow Cron: cargo-audit frequency
Runs weekly Sunday midnight. Consider running daily if rapid vulnerability announcements are critical, or add badges for vulnerability status. But no strong complaints.


Style & Best Practices

  • Good heavy-duty doc comments everywhere, though macro could use explicit doc block.
  • Use of and_modify + or_insert chaining looks nice and idiomatic.
  • Moving from manually incrementing *entry.or_insert(0) += 1 to .and_modify() is safer and avoids possible panic.
  • new_request_id() generates fresh UUID per RPC, great for tracing multi-request flows.
  • Drop unused imports (solana_account_decoder::UiAccountEncoding removed).
  • Consistent logging field naming, nicely done.

2. Mermaid Diagrams

Repo Overview (Enterprise palette)

flowchart TD
    A[GitHub Actions] --> B[Security Audit (cargo-audit)]
    A --> C[Build and Test Matrix]
    D[Cargo.toml] -->|dependencies| E[Solana SDK & Clients]
    D -->|dependencies| F[Logging (tracing) & Metrics (DashMap)]
    D -->|dependencies| G[Tokio & Async]
    
    subgraph RS [Rust Source Code]
        H[RPC Modules]
        I[Logging Module]
        J[Error Handling]
        K[Metrics Struct & Logic]
    end
    
    B -->|executes| RS
    C -->|runs| RS
    H -->|uses| I
    H -->|uses| J
    I -->|uses| K
    
    classDef enterprise fill:#D1D4E9,stroke:#45478F,color:#2E3C6E,font-family:arial;
    class A,B,C,D,E,F,G,H,I,J,K enterprise;
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
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PR Delta (What Changed)

flowchart TD
    subgraph CI[GitHub Workflow]
        A[Add Security Audit Workflow]
        B[Update Build Workflow: Matrix OS & Targets, Cache]
    end
    
    subgraph Cargo[Dependency Updates]
        C[env_logger 0.10 -> 0.11]
        D[url 2.4.1 -> 2.5.0]
        E[tokio 1.0 -> 1.36]
        F[Solana deps 1.17 -> ~2.2]
        G[spl-token 4.0 -> 7.0]
        H[base64 0.21 -> 0.22]
    end
    
    subgraph Logging[Logging & Metrics Improvements]
        I[Metrics: DashMap increments fix]
        J[Add Metrics Duration Histograms]
        K[Add `log_rpc_call!` macro for wrapping RPC calls with logs]
        L[Refactor logging to use sanitized summaries]
    end
    
    subgraph RPC[RPC modules]
        M[Refactor RPC calls to include detailed logging with request_id, timing]
        N[Refactor request_airdrop to use explicit logging]
        O[Add optional sorting parameter default to none in program accounts]
    end
    
    CI --> Cargo
    Cargo --> Logging
    Logging --> RPC
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
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Tech-Debt Radar

flowchart TD
    A[Metrics Counter Concurrency]
    B[Cache Cargo-audit binary brittle]
    C[Dependency Version Pinning Risks]
    D[Manual RPC Logging Duplication]
    E[Cross-platform Test Coverage Gaps]
    F[Logging Sanitization Safety Dependency]
    G[Public reset() method on Metrics]
    
    A -->|Potential lost counts in high concurrency| Re1[Wrap u64 with AtomicU64 or Mutex inside DashMap]
    B -->|Non-standard caching| Re2[Cache source/registry instead of binary]
    C -->|API breakage risk| Re3[Test and pin exact deps, add dependabot alerts]
    D -->|Boilerplate drift risk| Re4[Refactor manual to use macro]
    E -->|Skipped cross-arch tests| Re5[Add coverage or native test runners]
    F -->|Sensitive data leakage?| Re6[Audit sanitization routines]
    G -->|Possible misuse| Re7[Limit reset() to test-only feature gate]
    
    classDef warning fill:#FFEEAA,stroke:#DAA520,color:#795548,font-family:arial;
    class A,B,C,D,E,F,G warning;
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

Summary & Actionables

  • @copilot refactor request_airdrop async fn to use the new macro to reduce duplication
  • @copilot consider switching to AtomicU64 inside DashMap values to avoid subtle concurrency lost increments in metrics
  • @copilot audit and unit test that dependency updates (especially spl-token 4->7) do not break client code
  • @copilot document macro input expectations clearly
  • @copilot improve GitHub workflow caching strategy to avoid caching cargo-audit binary (cache registry instead)
  • @copilot lock or monitor dependencies to prevent upstream API breakage slips
  • @copilot optionally guard metrics reset with #[cfg(test)] or feature flag
  • @copilot review cross-platform build matrix gaps to add more meaningful tests for cross-arch targets
  • @copilot audit sanitization function to guarantee no sensitive data leaks in logs

With these fixups, this PR both levels-up observability and stays solidly production-grade.


This code review feature was sponsored by $SVMAI holders. (https://opensvm.com)

Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- 🎯 Solid improvements to logging & metrics with concurrency-safe `DashMap` usage.
- 🦀 Rusty macro magic `log_rpc_call!` cuts tons of boilerplate, promotes DRY. Nice.
- 📊 Metrics histogram buckets for duration tracking = clean, structured profiling.
- 🦀 Async RPC wrappers enriched with start/success/failure logs (with request IDs!) — pro move.
- 🛠️ Added GitHub Actions for security auditing via `cargo-audit` and multi-platform build/test matrix!
- 🆕 Dependency bumps mostly sensible and conservative (e.g. env_logger 0.10 -> 0.11, solana deps 1.17 -> ~2.2).
- 💯 Automated `cargo update --dry-run` warns about dependency drift during builds.
- Tests added for metrics and logging, solid coverage.
- Logging uses `tracing` and `tracing_subscriber` JSON-formatted output — great for structured logs.
- Solana crates moved from `"1.17"` to `"~2.2"`. `~2.2` allows patch bumps `2.2.x` but not minor bump to `2.3`. This is more flexible, but can introduce breaking changes if solana crates do that between minor versions. Is this intentional?
- `spl-token` jumps from `"4.0"` to `"7.0"` — big major upgrade! Has the code been fully tested against breaking API changes? The diff doesn't show spl-token calls but double-check integration.
- Good heavy-duty doc comments everywhere, though macro could use explicit doc block.
- Use of `and_modify` + `or_insert` chaining looks nice and idiomatic.
- Moving from manually incrementing `*entry.or_insert(0) += 1` to `.and_modify()` is safer and avoids possible panic.
- `new_request_id()` generates fresh UUID per RPC, great for tracing multi-request flows.
- Drop unused imports (`solana_account_decoder::UiAccountEncoding` removed).
- Consistent logging field naming, nicely done.
- **@copilot** refactor `request_airdrop` async fn to use the new macro to reduce duplication
- **@copilot** consider switching to AtomicU64 inside DashMap values to avoid subtle concurrency lost increments in metrics
- **@copilot** audit and unit test that dependency updates (especially spl-token 4->7) do not break client code
- **@copilot** document macro input expectations clearly
- **@copilot** improve GitHub workflow caching strategy to avoid caching cargo-audit binary (cache registry instead)
- **@copilot** lock or monitor dependencies to prevent upstream API breakage slips
- **@copilot** optionally guard metrics reset with `#[cfg(test)]` or feature flag
- **@copilot** review cross-platform build matrix gaps to add more meaningful tests for cross-arch targets
- **@copilot** audit sanitization function to guarantee no sensitive data leaks in logs

@larp0
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larp0 commented Jun 26, 2025

  • @copilot refactor request_airdrop async fn to use the new macro to reduce duplication
  • @copilot consider switching to AtomicU64 inside DashMap values to avoid subtle concurrency lost increments in metrics
  • @copilot audit and unit test that dependency updates (especially spl-token 4->7) do not break client code
  • @copilot document macro input expectations clearly
  • @copilot improve GitHub workflow caching strategy to avoid caching cargo-audit binary (cache registry instead)
  • @copilot lock or monitor dependencies to prevent upstream API breakage slips
  • @copilot optionally guard metrics reset with #[cfg(test)] or feature flag
  • @copilot review cross-platform build matrix gaps to add more meaningful tests for cross-arch targets
  • @copilot audit sanitization function to guarantee no sensitive data leaks in logs

…rrency, add tests, enhance workflows

Co-authored-by: larp0 <[email protected]>
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Copilot AI commented Jun 26, 2025

  • @copilot refactor request_airdrop async fn to use the new macro to reduce duplication
  • @copilot consider switching to AtomicU64 inside DashMap values to avoid subtle concurrency lost i...

I've addressed all the actionable feedback points:

Refactored request_airdrop to use the log_rpc_call! macro, reducing duplication
Switched DashMap values to AtomicU64 for thread-safe metrics with proper or_insert_with pattern
Added comprehensive unit tests for spl-token 4->7 and Solana 2.2 compatibility verification
Enhanced macro documentation with detailed input expectations, examples, and usage patterns
Improved workflow caching to cache Cargo registry instead of binary, plus added dependency drift monitoring
Guarded metrics reset with #[cfg(test)] to prevent accidental resets in production
Enhanced build matrix with better cross-platform test logic and native vs cross-compilation handling
Audited sanitization with comprehensive tests ensuring no false positives while catching real sensitive data

All unit tests pass and the improvements maintain backward compatibility. Commit: f69f129

Copilot finished work on behalf of larp0 June 26, 2025 14:25
@larp0
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larp0 commented Jun 26, 2025

@l r

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devwif bot commented Jun 26, 2025

Code Review: Solana MCP Server - Security Audit + Dependency & Logging Enhancements

1. Audit the Diff — Code Review & Critiques

General Kudos & Highlights

  • 🎉 Adding a Security Audit GitHub Action with cargo-audit and weekly scheduled scans is a much-needed best practice for Rust projects. Proper dependency scrutiny FTW!
  • ✅ Comprehensive integration tests for upgraded dependencies, especially for the critical Solana and SPL-token crates — excellent defense against breaking API changes / behavior shifts.
  • 💡 The new macro log_rpc_call! is a smart abstraction to DRY RPC call timing, logging, and error handling with rich context. It embraces async Rust idioms well.
  • 🧹 Improvements in Metrics to use AtomicU64 within DashMap for concurrent failure counters is a nice concurrency-savvy upgrade.

Detailed Review Notes and Suggestions

a) Workflows & Build

  • Security audit action caches Rust dependencies correctly but installs cargo-audit each run via cargo install. Consider caching the tool itself or using a prebuilt action to save time @copilot.
  • The major version update detection uses chained grep — looks fragile if dependency names or patterns change. Consider Rust-native tooling or cargo-outdated for richer context.
  • Build matrix covers Linux, macOS (Intel and ARM), and Windows targets — very thorough CI. Good job!

b) Dependency Upgrades in Cargo.toml

  • Bumping env_logger, url, tokio, Solana crates all to newer versions — big jumps but well tested in unit tests.
  • NOTE: Upgrading solana and spl-token from 1.17/4.0 to ~2.2/7.0 is a breaking API jump. The tests proving usage with TokenInstruction::InitializeMint etc., is solid risk mitigation.
  • Use of ~2.2 syntax pins to compatible SemVer patch releases, safer than ^ (caret). Good pin discipline.
  • Minor style nit: Align versions or comment major ones for future upgrade clarity.

c) Metrics concurrency improvement

  • Changing DashMap<String, u64>DashMap<String, AtomicU64> is excellent concurrency hygiene. The previous code could have race conditions updating simple u64.
  • The existing record_duration() code cleverly categorizes durations into histograms — performance wise this is a good profiling technique.
  • Suggest: document thread-safety guarantees explicitly on Metrics struct for future contributors.
  • Tests updated accordingly to .load(Ordering::Relaxed) — consistency check passed!

d) Logging improvements & the new log_rpc_call! macro

  • This macro elegantly encapsulates:
    • Unique request_id generation for tracing
    • Start/end timing and duration measurement
    • Success and failure logging with detailed contexts
    • Wrapping errors into McpError preserving original type + extra metadata
  • Excellent use of instrument and tracing fields to capture necessary structured data.
  • Potential improvement: Document thread-safety & async-safety of the macro more explicitly — e.g., mention panics if client.url() panics or is slow.
  • The OT pattern to pass optional params summary improves observability; could add optional result summaries similarly in future.
  • Very nice example usage docs in macro comments. Will help onboard new contributors swiftly.

e) Sanitization Method Refinement

  • The sanitize_for_logging() function has been improved to:
    • More precise sensitive parameter detection with word-boundary checks rather than simple substring match. This is a welcome precision upgrade to avoid false positives.
    • URL sanitization enhanced to redact path and query segments instead of full URL, preserving host+scheme for debugging.
    • Added comprehensive edge-case tests for URLs, parameter redactions, and non-redacted safe strings.
  • Suggestion: Consider replacing these string match patterns with regexes or a dedicated redaction crate for future robustness & maintainability as patterns grow complex.
  • Also, mind that very large inputs are truncated neatly to avoid log flooding.

f) Miscellaneous Minor Stuff

  • Removed unused import solana_account_decoder::UiAccountEncoding in one place. Good cleanup.
  • Some RPC methods updated with sort_results: None to gain new default behavior from SDK.
  • Request airdrop method now uses the new macro log_rpc_call! - consistent style across RPC.
  • Test coverage expanded for Solana & SPL token compatibility at the type and usage level, solid integration guardrails.
  • In tests, enabled and used reset() on metrics for test isolation.

Overall Code Quality

👍 The diff is a lovely mix of infrastructure, core library improvements, and systemic hygiene fixes.
👌 Code style consistent and idiomatic Rust with good Rust async practices.
👀 Could use slightly more inline doc comments for newcomers on concurrency parts.
😉 No security holes detected. The audit job and sanitization make this repo more respectful of confidentiality.


2. Mermaid Diagrams

2.1 Repo Overview — Full Architecture

flowchart TD
    A[CLI / Entrypoints] -->|Uses| B[Core Modules]
    B --> C[RPC Clients (solana_client::RpcClient)]
    B --> D[Logging Module]
    B --> E[Validation & Sanitization]
    B --> F[Metrics Collection]
    B --> G[Error Handling]

    subgraph RPC Clients
        C1[RpcClient Wrapper]
        C2[RPC Calls: accounts.rs, system.rs]
        C1 --> C2
    end

    subgraph Logging Module
        D1[Tracing Initialization]
        D2[Structured Loggers & Metrics]
        D3[log_rpc_call! Macro]
        D1 --> D2 --> D3
    end

    subgraph Validation & Sanitization
        E1[URL Validation]
        E2[Input Sanitization]
        E1 --> E2
    end

    subgraph Metrics Collection
        F1[Metrics State (AtomicU64 + DashMap)]
        F2[Histograms & Counters]
        F1 --> F2
    end

    subgraph Error Handling
        G1[McpError Struct]
        G2[Error Wrapping & Context]
        G1 --> G2
    end

    B --> H[Third Party Dependencies (Solana SDK, SPL token, Tokio, etc.)]
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
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2.2 PR Delta — What This PR Changed Only

flowchart TD
    subgraph CI
        A1[Security Audit Workflow]
        A2[Build & Test Workflow Enhancements]
    end

    subgraph Dependencies
        B1[Upgrade of core deps: solana-sdk ~2.2, spl-token 7.0]
        B2[Other crates updating: env_logger, tokio, url, base64]
    end

    subgraph Metrics
        C1[Use AtomicU64 in DashMap for concurrency]
        C2[Update Metrics increment and to_json]
    end

    subgraph Logging
        D1[Add `log_rpc_call!` macro]
        D2[Shift system.rs request_airdrop to macro usage]
        D3[Enhance structured logging with more context]
    end

    subgraph Validation
        E1[Improve sensitive data redaction logic in sanitize_for_logging]
        E2[Add extensive sanitization tests]
    end

    subgraph Tests
        F1[Add compatibility tests for Solana and SPL token versions]
        F2[Expand sanitization boundary tests]
        F3[Update Metrics tests for AtomicU64 usage]
    end

    CI --> Dependencies --> Metrics --> Logging --> Validation --> Tests
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

3. Tech-Debt Radar — Hotspots + Refactor Plan

flowchart TD
    subgraph MetricsModule["MetricsModule"]
        METRICS_DATA["AtomicUinDashMapGood"]
        METRICS_DOCS["Needsbetterconcurrencydocs"]
    end

    subgraph LoggingModule["LoggingTracing"]
        LOG_MACRO["logrpccallmacroGreatabstraction"]
        LOG_EXPAND["Enhanceoptionalresultsummaries"]
        LOG_THREADSAFE["Explicitthreadsafetydocslacking"]
    end

    subgraph ValidationModule["SanitizationValidation"]
        SANITIZE_COMPLEXITY["Manualstringmatchingfragile"]
        SANITIZE_REFACTOR[/"Replace with regex engine or crate"/]
        SANITIZE_TESTS["Goodcoveragekeepexpanding"]
    end

    subgraph CI["ContinuousIntegration"]
        CARGO_AUDIT_CACHE["cargoauditinstallinefficiency"]
        CARGO_AUDIT_CACHE_FIX[/"Cache cargo-audit or use action"/]
        DEP_UPDATE["Majordependencycheckisfragile"]
        DEP_UPDATE_FIX[/"Use cargo-outdated or Rust tool"/]
    end

    METRICS_DATA --> METRICS_DOCS
    LOG_MACRO --> LOG_EXPAND
    LOG_MACRO --> LOG_THREADSAFE
    SANITIZE_COMPLEXITY --> SANITIZE_REFACTOR
    CARGO_AUDIT_CACHE --> CARGO_AUDIT_CACHE_FIX
    DEP_UPDATE --> DEP_UPDATE_FIX
classDef techDebt fill:#f6f6f6,stroke:#d9534f,color:#d9534f,font-family:Consolas,monospace,font-weight:bold
Loading

Summary of Debt Fix Steps:

  • Metrics: Add concurrency/thread safety docs.
  • Logging: Expand macro documentation and optionally support richer logging context / event hooks.
  • Validation: Replace fragile fragile string matching sanitization with regex or existing vetted crates for redaction.
  • CI: Cache cargo-audit better or adopt a prebuilt action for speed.
  • Dependency updates: Use tooling more resilient than chained grep for major version checks.

Bottom Line

This PR is a 💎 solid improvement in security workflow, dependency hygiene, and observability tooling for async RPC-heavy Rust code. The new logging macro and metrics concurrency upgrades show maturity. Minor polish and debt items flagged mostly docs and infrastructure optimization. This is a shining example of safe, secure, and maintainable Rust project evolution.


This code review feature was sponsored by $SVMAI holders. (https://opensvm.com)

Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- 🎉 Adding a **Security Audit** GitHub Action with `cargo-audit` and weekly scheduled scans is a much-needed best practice for Rust projects. Proper dependency scrutiny FTW!
- ✅ Comprehensive integration tests for upgraded dependencies, especially for the critical Solana and SPL-token crates — excellent defense against breaking API changes / behavior shifts.
- 💡 The new macro `log_rpc_call!` is a smart abstraction to DRY RPC call timing, logging, and error handling with rich context. It embraces async Rust idioms well.
- 🧹 Improvements in `Metrics` to use `AtomicU64` within `DashMap` for concurrent failure counters is a nice concurrency-savvy upgrade.
- Security audit action caches Rust dependencies correctly but installs `cargo-audit` each run via `cargo install`. Consider caching the tool itself or using a prebuilt action to save time **@copilot**.
- The major version update detection uses chained `grep` — looks fragile if dependency names or patterns change. Consider Rust-native tooling or `cargo-outdated` for richer context.
- Build matrix covers Linux, macOS (Intel and ARM), and Windows targets — very thorough CI. Good job!
- Bumping `env_logger`, `url`, `tokio`, Solana crates all to newer versions — big jumps but well tested in unit tests.
- NOTE: Upgrading solana and spl-token from 1.17/4.0 to ~2.2/7.0 is a breaking API jump. The tests proving usage with `TokenInstruction::InitializeMint` etc., is solid risk mitigation.
- Use of `~2.2` syntax pins to compatible SemVer patch releases, safer than `^` (caret). Good pin discipline.
- **Minor style nit**: Align versions or comment major ones for future upgrade clarity.
- Changing `DashMap<String, u64>``DashMap<String, AtomicU64>` is excellent concurrency hygiene. The previous code could have race conditions updating simple `u64`.
- The existing `record_duration()` code cleverly categorizes durations into histograms — performance wise this is a good profiling technique.
- Suggest: document thread-safety guarantees explicitly on `Metrics` struct for future contributors.
- Tests updated accordingly to `.load(Ordering::Relaxed)` — consistency check passed!
- This macro elegantly encapsulates:
- Unique `request_id` generation for tracing
- Start/end timing and duration measurement
- Success and failure logging with detailed contexts
- Wrapping errors into `McpError` preserving original type + extra metadata
- Excellent use of `instrument` and `tracing` fields to capture necessary structured data.
- **Potential improvement**: Document thread-safety & async-safety of the macro more explicitly — e.g., mention panics if `client.url()` panics or is slow.
- The OT pattern to pass optional params summary improves observability; could add optional result summaries similarly in future.
- Very nice example usage docs in macro comments. Will help onboard new contributors swiftly.
- The `sanitize_for_logging()` function has been improved to:
- More precise sensitive parameter detection with word-boundary checks rather than simple substring match. This is a welcome precision upgrade to avoid false positives.
- URL sanitization enhanced to redact path and query segments instead of full URL, preserving host+scheme for debugging.
- Added comprehensive edge-case tests for URLs, parameter redactions, and non-redacted safe strings.
- **Suggestion**: Consider replacing these string match patterns with regexes or a dedicated redaction crate for future robustness & maintainability as patterns grow complex.
- Also, mind that very large inputs are truncated neatly to avoid log flooding.
- Removed unused import `solana_account_decoder::UiAccountEncoding` in one place. Good cleanup.
- Some RPC methods updated with `sort_results: None` to gain new default behavior from SDK.
- Request airdrop method now uses the new macro `log_rpc_call!` - consistent style across RPC.
- Test coverage expanded for Solana & SPL token compatibility at the type and usage level, solid integration guardrails.
- In tests, enabled and used `reset()` on metrics for test isolation.
- **Metrics:** Add concurrency/thread safety docs.
- **Logging:** Expand macro documentation and optionally support richer logging context / event hooks.
- **Validation:** Replace fragile fragile string matching sanitization with regex or existing vetted crates for redaction.
- **CI:** Cache `cargo-audit` better or adopt a prebuilt action for speed.
- **Dependency updates:** Use tooling more resilient than chained `grep` for major version checks.

@larp0 larp0 merged commit 94112e0 into main Jun 26, 2025
3 of 4 checks passed
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update project deps

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