A Roadmap to Unifying the Sort Order of the Ethereum Memory Pool
In recent years, there has been an urgent need for a unified sort order in the Ethereum memory pool. For those who are not familiar, the memory pool is a key component of the Ethereum network, responsible for efficiently handling incoming transactions and verifying their legitimacy.
Currently, different developers propose different sort orders to optimize performance and reduce latency. However, these proposals often lack a key aspect: agreement on which transactions should be prioritized when sorting the memory pool. In this article, we will examine why the current approach is flawed and what is missing to achieve a unified sort order.
The Problem with Current Approaches
One of the main problems with existing sort orders is the lack of clarity and consistency between implementations from different developers. For example:
- Sorting recommendations: Different proposals suggest different sorting orders, such as “oldest-first”, “latest-first”, or even a custom algorithm that combines multiple factors.
- Priority agreement: Developers may agree on some priority rules but not others, leading to inconsistencies and potential conflicts when sorting the memory pool.
Proposed solution: Sort by top n transactions (80%)
We propose an alternative approach to solve these problems:
- Sorting order: Sort memory pool transactions by the top n transactions (or 80% of transactions) that are at least 10 minutes old.
- Confirmation: After sorting, confirm and communicate the block header to all parties involved.
Benefits of this approach
There are several benefits to adopting this unified approach:
- Improved performance: Sorting by the n most popular transactions reduces latency and minimizes contention between different developers’ implementations.
- Increased consistency: With a single sort order, developers are more likely to agree on priority rules, reducing conflicts and ensuring consistency across different memory pool implementations.
- Improved security: Prioritizing transactions older than 10 minutes reduces the likelihood of malicious actors trying to exploit a weak sort order.
Next Steps
To move towards a unified sort order in the Ethereum memory pool, we recommend the following:
- Collaborative Development: Encourage developers from different teams and communities to participate in discussing and developing a unified, generally accepted sort order.
- Implementation Guidelines: Define clear guidelines for implementing the proposed sort order, including any necessary adjustments or modifications to existing codebases.
By collaborating and adopting this unified approach, we can create a more efficient, secure, and scalable Ethereum network that benefits all parties involved.
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