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Di Mei

PROFILE

Di Mei

Di Mei enhanced the coinbase/cdp-sdk by delivering end-to-end EVM token swap functionality, enabling direct swaps, quote creation, and price estimation across multiple tokens and networks. Using Python and Go, Di implemented robust error handling, slippage protection, and Permit2 signature support to strengthen security and reliability. The work unified taker parameter logic between Python and TypeScript SDKs, simplifying account-level swaps and ensuring cross-language consistency. Additionally, Di introduced a HostOverride option in client configuration, allowing custom request routing and JWT signing for flexible integration and testing. These contributions improved developer productivity, SDK configurability, and the overall security posture of swap operations.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

5Total
Bugs
1
Commits
5
Features
3
Lines of code
7,838
Activity Months2

Work History

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026: Delivered a key configurability enhancement to coinbase/cdp-sdk by introducing HostOverride in ClientOptions, enabling custom request routing and JWT signing. The change updates request handling to respect HostOverride when generating JWTs and making API calls, improving flexibility for internal environments, testing, and potential multi-tenant use. No major bug fixes were logged this month; primary focus was feature delivery and code reliability around client configuration. Business value includes easier integration, safer testing, and more controllable API routing, with groundwork laid for future enhancements.

June 2025

4 Commits • 2 Features

Jun 1, 2025

June 2025 performance: Delivered end-to-end EVM Token Swap capability in coinbase/cdp-sdk, enabling direct swaps, quote creation, and price estimation across tokens and networks, with robust error handling and security features (slippage protection and Permit2 signature handling). The release bumped the SDK to 1.11.0, including signEvmHash and signEvmMessage policy rules, and updates to changelog and lock files. Also unified taker parameter handling in Python swap functions to align with the TypeScript SDK, simplifying account-level swaps while preserving explicit taker parameter for global methods. Fixed taker parameter logic bug to align Python with TS and simplify usage. Collectively, these changes improve developer productivity, cross-language consistency, and the security posture of swap operations. Technologies involved include Python and TypeScript SDK development, EVM concepts, security controls, versioning, and documentation updates.

Activity

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Quality Metrics

Correctness96.0%
Maintainability92.0%
Architecture92.0%
Performance84.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

GoMarkdownPython

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAPI developmentBackend DevelopmentBug FixingChangelog ManagementEVMGoPythonSDK DevelopmentSmart ContractsSolidityToken SwapsVersion Control

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

coinbase/cdp-sdk

Jun 2025 Jan 2026
2 Months active

Languages Used

MarkdownPythonGo

Technical Skills

API DesignAPI DevelopmentAPI IntegrationBackend DevelopmentBug FixingChangelog Management