cosmos/evm
Jul 2025 – Sep 2025
3 Months active
Languages Used
GoprotobufProtocol Buffers
Technical Skills
Backend DevelopmentGoTestingBlockchain DevelopmentCode RefactoringCosmos SDK
yihuang
PROFILE
Yihuang
Over a three-month period, contributed to the cosmos/evm repository by delivering nine features and resolving critical bugs to enhance Ethereum compatibility and transaction reliability. Focused on backend and blockchain development using Go and Protocol Buffers, the work included upgrading go-ethereum integration, refining gas estimation logic, and implementing dynamic fee support for EIP-7702 workflows. Refactored stateful precompiles to simplify error handling and reduce boilerplate, while adding contextual data such as block timestamps to derived logs stored in StateDB. These efforts improved interoperability with Ethereum tooling, strengthened transaction validation, and increased maintainability of the codebase through targeted architectural enhancements.
Overall Statistics
Feature vs Bugs
90%Features
Repository Contributions
11Total
Bugs
1
Commits
11
Features
9
Lines of code
16,081
Activity Months3
Your Network
26 peopleShared Repositories
26
Work History
September 2025
2 Commits • 2 Features
Sep 1, 2025September 2025: Key feature deliveries and refactorings in the cosmos/evm module to boost observability, reliability, and maintainability. Implemented block timestamp in derived logs and stored in StateDB; completed stateful precompiles refactor removing boilerplate and simplifying error handling.
2 Commits • 2 Features
Sep 1, 2025September 2025: Key feature deliveries and refactorings in the cosmos/evm module to boost observability, reliability, and maintainability. Implemented block timestamp in derived logs and stored in StateDB; completed stateful precompiles refactor removing boilerplate and simplifying error handling.
September 2025
August 2025
7 Commits • 6 Features
Aug 1, 2025August 2025 monthly summary for cosmos/evm. Focused on delivering Ethereum-compatible functionality, robust transaction processing, and storage/precompile architecture improvements that drive reliability and interoperability with Ethereum tooling and client interfaces. Key features delivered: - Go-Ethereum compatibility upgrade to v1.16 and gas tip handling adjustments to improve fee estimation and compatibility with existing clients. Commit: 60c896208d5c036c9d564a0a471c0779069c7a60. - MsgEthereumTx integration with go-ethereum transaction type and dynamic fee support, enabling EIP-7702 workflows across ante handlers and RPC. Commit: 9a1e5bd3b99d745b4159a2ce30f7956fd4130eea. - Adopted go-ethereum transaction validation rules within the EVM, improving robustness and compatibility with established validation behavior. Commit: 6492ef5bad7e015060b05e9975ab8f2e9ada6c69. - EIP-2935: serve historical block hashes from contract storage with a configurable history window. Commit: f164197bce4f2b2b69b50141019be801ebfe40d9. - StateDB enhancements including IsStorageEmpty utility and centralization of precompile call journaling in StateDB.AddPrecompileFn, improving observability and consistency. Commits: 1f22f1971d4417ced436ebee3281859034a48c24; 4be8aba3e891a95e209a38f9ad746afad506b20a. Major bugs fixed: - Graceful handling of missing transaction receipts: GetTransactionReceipt now returns nil when a transaction is not found, avoiding RPC failures; tests updated accordingly. Commit: 8fb90ba23b46f17ce474d814d2e8c6657e4e136a. Overall impact and accomplishments: - Substantially improved interoperability with Ethereum tooling and gas estimation behavior, reducing user confusion and RPC errors while enabling advanced fee mechanics. Architecture refinements position the project for scalable EVM feature work, better maintainability, and clearer precompile and storage semantics. Technologies/skills demonstrated: - Go-Ethereum integration (v1.16), dynamic fee handling, EVM-level tx validation, EIP-2935 data access patterns, and StateDB architectural refactors (precompile journaling and storage checks).
August 2025
7 Commits • 6 Features
Aug 1, 2025August 2025 monthly summary for cosmos/evm. Focused on delivering Ethereum-compatible functionality, robust transaction processing, and storage/precompile architecture improvements that drive reliability and interoperability with Ethereum tooling and client interfaces. Key features delivered: - Go-Ethereum compatibility upgrade to v1.16 and gas tip handling adjustments to improve fee estimation and compatibility with existing clients. Commit: 60c896208d5c036c9d564a0a471c0779069c7a60. - MsgEthereumTx integration with go-ethereum transaction type and dynamic fee support, enabling EIP-7702 workflows across ante handlers and RPC. Commit: 9a1e5bd3b99d745b4159a2ce30f7956fd4130eea. - Adopted go-ethereum transaction validation rules within the EVM, improving robustness and compatibility with established validation behavior. Commit: 6492ef5bad7e015060b05e9975ab8f2e9ada6c69. - EIP-2935: serve historical block hashes from contract storage with a configurable history window. Commit: f164197bce4f2b2b69b50141019be801ebfe40d9. - StateDB enhancements including IsStorageEmpty utility and centralization of precompile call journaling in StateDB.AddPrecompileFn, improving observability and consistency. Commits: 1f22f1971d4417ced436ebee3281859034a48c24; 4be8aba3e891a95e209a38f9ad746afad506b20a. Major bugs fixed: - Graceful handling of missing transaction receipts: GetTransactionReceipt now returns nil when a transaction is not found, avoiding RPC failures; tests updated accordingly. Commit: 8fb90ba23b46f17ce474d814d2e8c6657e4e136a. Overall impact and accomplishments: - Substantially improved interoperability with Ethereum tooling and gas estimation behavior, reducing user confusion and RPC errors while enabling advanced fee mechanics. Architecture refinements position the project for scalable EVM feature work, better maintainability, and clearer precompile and storage semantics. Technologies/skills demonstrated: - Go-Ethereum integration (v1.16), dynamic fee handling, EVM-level tx validation, EIP-2935 data access patterns, and StateDB architectural refactors (precompile journaling and storage checks).
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025 Monthly Summary for cosmos/evm. Delivered targeted gas estimation improvements for a new transaction type and enhanced test realism to reflect production gas pricing conditions. The work combines updating tests to use larger gas prices by switching ExampleMinGasPrices from math.LegacyDec to big.Int across multiple precompile test files, with a fix to gas estimation that ensures all relevant fields are considered by updating gas limit directly on the existing message object. These changes reduce the likelihood of underfunded transactions and improve reliability in deployment scenarios.
2 Commits • 1 Features
Jul 1, 2025July 2025 Monthly Summary for cosmos/evm. Delivered targeted gas estimation improvements for a new transaction type and enhanced test realism to reflect production gas pricing conditions. The work combines updating tests to use larger gas prices by switching ExampleMinGasPrices from math.LegacyDec to big.Int across multiple precompile test files, with a fix to gas estimation that ensures all relevant fields are considered by updating gas limit directly on the existing message object. These changes reduce the likelihood of underfunded transactions and improve reliability in deployment scenarios.
July 2025
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Quality Metrics
Correctness84.6%
Maintainability82.8%
Architecture80.8%
Performance74.4%
AI Usage21.8%
Skills & Technologies
Programming Languages
GoProtocol Buffersprotobuf
Technical Skills
Backend DevelopmentBlockchain DevelopmentCode CleanupCode RefactoringCosmos SDKDependency ManagementEVMEthereumGoGo DevelopmentGo ModulesGo ProgrammingGo-Ethereum IntegrationProtocol BuffersRPC
Repositories Contributed To
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