remove nonce removal leftovers #5
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Reviewer's Guide by SourceryThis PR removes remaining code related to nonce functionality that was previously used for preventing replay attacks. The changes include removing nonce-related documentation, event handlers, and data structures from the codebase. Class diagram for removed nonce-related structuresclassDiagram
class Client {
- OnNonceUpdated
OnNumPagesUpdated
OnStakeUpdated
OnRewardUpdated
OnPeerJoin
}
class CollapseContext {
- nonces: map[AccountID]uint64
balances: map[AccountID]uint64
stakes: map[AccountID]uint64
rewards: map[AccountID]uint64
contracts: map[TransactionID][]byte
contractGasBalances: map[TransactionID]uint64
contractVMs: map[AccountID]*VMState
}
class NonceUpdated {
- AccountID: [32]byte
- Nonce: uint64
- Time: time.Time
}
class OnNonceUpdated {
- NonceUpdated
}
class setEvents {
- onNonceUpdated(u wctl.NonceUpdated)
}
File-Level Changes
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Thanks @2lambda123 for opening this PR! For COLLABORATOR only :
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@2lambda123
Thank you for your contribution to this repository! We appreciate your effort in opening pull request.
Happy coding!
Their most recently public accepted PR is: #4 |
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PR Details of @2lambda123 in perlin-network-wavelet :
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Description has been updated! |
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Caution Review failedThe pull request is closed. WalkthroughThe changes in this pull request involve the removal of nonce-related functionalities across several files. Specifically, the Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant EventHandler
participant CollapseContext
Client->>EventHandler: Trigger event
EventHandler->>CollapseContext: Process event
CollapseContext-->>EventHandler: Update state
EventHandler-->>Client: Notify completion
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PR summaryThis Pull Request removes remnants of nonce-related code from the project. The nonce was previously used to prevent replay attacks by ensuring that each transaction had a unique, incrementing counter. The changes involve deleting functions, variables, and documentation related to nonce handling, indicating that the system no longer relies on nonces for transaction management. This cleanup helps streamline the codebase and remove unnecessary components, potentially reducing complexity and maintenance overhead. SuggestionConsider reviewing the documentation and any external dependencies or integrations that might still reference the nonce functionality to ensure complete removal and avoid any inconsistencies or confusion. Additionally, verify that the security measures replacing the nonce mechanism are robust and well-documented. Disclaimer: This comment was entirely generated using AI. Be aware that the information provided may be incorrect. Current plan usage: 3.23% Have feedback or need help? |
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@2lambda123
Thank you for your contribution to this repository! We appreciate your effort in closing pull request.
Happy coding!
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Hey @2lambda123 - I've reviewed your changes - here's some feedback:
Overall Comments:
- Please explain how replay attacks are now being prevented, since the nonce-based protection is being removed. Include references to any previous PRs or issues that made this nonce code obsolete.
- The change type checkbox in the PR template needs to be filled out to indicate whether this is a bug fix, feature, breaking change, or chore.
Here's what I looked at during the review
- 🟢 General issues: all looks good
- 🟢 Security: all looks good
- 🟢 Testing: all looks good
- 🟢 Complexity: all looks good
- 🟡 Documentation: 1 issue found
Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
| @@ -47,17 +47,6 @@ Upon the creation of a transaction, the transaction creator would sign the tag, | |||
| would play the role of being the transactions sender. The sender would then assign consensus-related information to the transaction, sign the entirety of | |||
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nitpick (documentation): Add missing apostrophe in 'transactions sender'
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I've completed my review and didn't find any issues.
Files scanned
| File Path | Reviewed |
|---|---|
| cmd/wavelet/events.go | ✅ |
| collapse.go | ✅ |
| wctl/wctl.go | ✅ |
| wctl/ws_callbacks.go | ✅ |
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| if err := addToCloser(&toClose)(c.PollAccounts()); err != nil { | ||
| return cleanup, err |
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The error handling in this block is straightforward but could be enhanced by providing more context-specific error messages or handling specific error types differently. This would improve the maintainability and debuggability of the code.
Suggested Improvement:
Consider enhancing the error handling by checking for specific error types and handling them accordingly. This could involve retrying the operation, logging additional details, or taking other corrective actions based on the nature of the error.
| logger.Info(). | ||
| Hex("public_key", u.AccountID[:]). |
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The logging in this function uses structured logging, which is good for clarity and consistency. However, care must be taken to ensure that sensitive information is not logged, and that the logging mechanism is secure against injection attacks.
Suggested Improvement:
Review the logged information to ensure that no sensitive data is exposed. Additionally, consider implementing safeguards against log injection, such as sanitizing inputs that are logged.
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Micro-Learning Topic: Injection attack (Detected by phrase)
Matched on "injection attack"
Injection flaws, such as SQL, NoSQL, OS, and LDAP injection, occur when untrusted data is sent to an interpreter as part of a command or query. The attacker’s hostile data can trick the interpreter into executing unintended commands or accessing data without proper authorization. Source: https://www.owasp.org/index.php/Category:OWASP_Top_Ten_Project
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Helpful references
- OWASP Top Ten 2021 A03: Injection - OWASP Top Ten articles provide basic techniques to protect against these high risk problem areas, and guidance on where to go next.
- OWASP Injection Prevention Cheat Sheet in Java - This article is focused on providing clear, simple, actionable guidance for preventing injection flaws in your Java applications.
- OWASP Input Validation Cheat Sheet - This cheatsheet is focused on providing clear, simple, actionable guidance for preventing injection and input validation flaws in your applications.
- OWASP Injection Prevention Cheat Sheet - This article is focused on providing clear, simple, actionable guidance for preventing injection flaws in your applications.
- OWASP Top Ten Proactive Controls 2018 C5: Validate All Inputs - Detailed article on input validation as a programming technique for ensuring that only properly formatted data may enter a software system component.
Micro-Learning Topic: Log injection (Detected by phrase)
Matched on "log injection"
The Log Forging vulnerability is caused by writing unvalidated user input to log files can allow an attacker to forge log entries or inject malicious content into the logs.
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Helpful references
- OWASP Log Forging - OWASP community page with comprehensive information about log forging, and links to various OWASP resources to help detect or prevent it.
| c.balances = make(map[AccountID]uint64) | ||
| c.stakes = make(map[AccountID]uint64) | ||
| c.rewards = make(map[AccountID]uint64) | ||
| c.nonces = make(map[AccountID]uint64) | ||
| c.contracts = make(map[TransactionID][]byte) | ||
| c.contractGasBalances = make(map[TransactionID]uint64) | ||
| c.contractVMs = make(map[AccountID]*VMState) |
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Suggestion: Optimize Memory Usage by Specifying Initial Map Capacities
When initializing maps in the init method, consider specifying an initial capacity if the expected number of entries is known or can be estimated. This can help in optimizing memory allocation and potentially improving the performance of the operations involving these maps.
For example, if you expect the number of accounts to not exceed 1000 initially, you could initialize the balances map as follows:
c.balances = make(map[AccountID]uint64, 1000)This change could prevent frequent reallocations as the map grows, leading to more efficient memory usage.
| OnNumPagesUpdated | ||
| OnStakeUpdated | ||
| OnRewardUpdated | ||
| OnNonceUpdated | ||
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| // Network | ||
| OnPeerJoin |
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The callback fields defined in the Client struct (lines 104-109) are not explicitly typed, which could lead to runtime errors if incorrect functions are assigned. It is recommended to define these callbacks with specific function signatures or use interface types to ensure type safety and clarity. For example:
type PeerEventHandler func(peerID string) error
OnPeerJoin PeerEventHandler
OnPeerLeave PeerEventHandlerThis change would make the code more robust by enforcing the correct type of function to be assigned to each callback, reducing the risk of runtime errors.
| OnNumPagesUpdated | ||
| OnStakeUpdated | ||
| OnRewardUpdated | ||
| OnNonceUpdated | ||
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| // Network | ||
| OnPeerJoin |
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The callbacks defined (e.g., OnNumPagesUpdated, OnStakeUpdated) do not include mechanisms for error handling. In a networked or blockchain context, where these callbacks might handle critical updates, it's important to implement error handling to maintain system stability. Consider modifying the callback definitions to include error returns, which can then be handled appropriately. For example:
type UpdateHandler func() error
OnNumPagesUpdated UpdateHandler
OnStakeUpdated UpdateHandlerThis modification ensures that errors are not silently ignored and are handled appropriately, enhancing the reliability of the system.
| @@ -43,13 +43,6 @@ type ( | |||
| Time time.Time `json:"time"` | |||
| } | |||
| OnRewardUpdated = func(RewardUpdated) | |||
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The OnRewardUpdated function type does not include error handling capabilities. In event-driven programming, it's crucial to manage errors effectively to ensure system stability and prevent crashes. Recommendation: Modify the OnRewardUpdated function type to include an error return value, allowing the callback to communicate any issues encountered during execution.
Example:
OnRewardUpdated = func(RewardUpdated) error
Micro-Learning Topic: External entity injection (Detected by phrase)Matched on "xxE"An XML External Entity attack is a type of attack against an application that parses XML input. This attack occurs when XML input containing a reference to an external entity is processed by a weakly configured XML parser. This attack may lead to the disclosure of confidential data, denial of service, server-side request forgery, port scanning from the perspective of the machine where the parser is located, and other system impacts. Try a challenge in Secure Code WarriorHelpful references
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Micro-Learning Topic: Cross-site scripting (Detected by phrase)Matched on "XSS"Cross-site scripting vulnerabilities occur when unescaped input is rendered into a page displayed to the user. When HTML or script is included in the input, it will be processed by a user's browser as HTML or script and can alter the appearance of the page or execute malicious scripts in their user context. Try a challenge in Secure Code WarriorHelpful references
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Description
Related Issue
Types of changes
Checklist:
Summary by Sourcery
Enhancements:
Description by Korbit AI
What change is being made?
Remove all references to nonce updates and related data structures from the codebase, including event handlers, documentation, and client callbacks.
Why are these changes being made?
Nonce handling was deprecated or deemed unnecessary, so remnants associated with nonce updates are being removed to clean up the code and documentation. This ensures consistency and avoids confusion as the nonce is no longer a relevant entity in the current system architecture.
Summary by CodeRabbit
New Features
Bug Fixes
Documentation
Tests