mezonai/mmn-tx-explorer
Sep 2025 – Jan 2026
5 Months active
Languages Used
BashGoSQLYAMLTypeScriptJavaScript
Technical Skills
API DevelopmentBackend DevelopmentBlockchain IndexingClickHouseData ModelingDatabase Management
phuongtrinhviet
PROFILE
Phuongtrinhviet
Over five months, contributed to mezonai/mmn-tx-explorer by building and refining analytics, API, and security features across backend and frontend systems. Delivered transaction metadata enrichment, wallet analytics, and migrated core indexing from ClickHouse to PostgreSQL, improving data integrity and scalability. Enhanced the API with time-range filtering, infinite scrolling, and accent-insensitive search using Go, TypeScript, and SQL. Implemented automated statistics recalculation via cron jobs and strengthened input validation for REST endpoints. Addressed security by preventing unauthorized campaign edits and introduced Zero-Knowledge proof authentication for red envelope claims. Focused on maintainable code, robust data modeling, and seamless integration between backend and UI.
Overall Statistics
Feature vs Bugs
81%Features
Repository Contributions
20Total
Bugs
3
Commits
20
Features
13
Lines of code
10,963
Activity Months5
Your Network
80 peopleSame Organization
@ncc.asia62
Work History
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary for mezonai/mmn-tx-explorer focused on security hardening, UX improvements, and analytics enablement. Delivered key features across the campaign editing workflow, red envelope handling, and donation history, with a strong emphasis on preventing privilege escalation, simplifying validation logic, and enabling privacy-preserving interactions. These changes improve security, data accuracy, and operational efficiency while expanding actionable metrics and user-facing capabilities.
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary for mezonai/mmn-tx-explorer focused on security hardening, UX improvements, and analytics enablement. Delivered key features across the campaign editing workflow, red envelope handling, and donation history, with a strong emphasis on preventing privilege escalation, simplifying validation logic, and enabling privacy-preserving interactions. These changes improve security, data accuracy, and operational efficiency while expanding actionable metrics and user-facing capabilities.
January 2026
December 2025
5 Commits • 3 Features
Dec 1, 2025December 2025 monthly summary for mezonai/mmn-tx-explorer. Focused on improving data presentation, search relevance, and API reliability to drive better business insights and donor engagement. Key features delivered: - Wallet List: Added sorting of top accounts by transaction_count in descending order to improve data presentation and quick decision making. (Commit: 24d4e5821236a57efea8786dc1ac3ebb81cb88a8) - Donation campaign feed: owner/address filter added to enable retrieval of feeds based on ownership status and updated handler/repository accordingly. (Commits: 0f78c96e40cc7edbb4a0e7fa2c60167e838ba956; 2cb8d27e3193dfe6f25558cd85316aa18dc257a8) - Accent-insensitive Vietnamese search for donation campaigns: Implemented using PostgreSQL unaccent extension to improve search relevance for Vietnamese text. (Commit: b6765bd1d266bcb9bf523acb196b0a37b857243e) Major bugs fixed: - ListCampaigns API input validation and error handling: Ensured invalid 'limit' inputs return 400 Bad Request instead of 500, improving API reliability and client feedback. (Commit: 9bdfe5b32b08d7f6dce0363b2941439e5b388bfe) Overall impact and accomplishments: - Improved API reliability and user experience through precise error handling and input validation. - Enhanced data presentation in wallet views and more relevant campaign search results, supporting faster business decisions for product and marketing teams. - Strengthened capabilities for donors and campaign owners via targeted feeds and more intuitive search. Technologies/skills demonstrated: - Backend feature implementation and integration with database (PostgreSQL unaccent extension). - Data presentation enhancements (sorting/top accounts by transaction_count). - Robust input validation and error handling patterns for REST APIs. - Clear commit-based traceability for business-value deliverables.
December 2025
5 Commits • 3 Features
Dec 1, 2025December 2025 monthly summary for mezonai/mmn-tx-explorer. Focused on improving data presentation, search relevance, and API reliability to drive better business insights and donor engagement. Key features delivered: - Wallet List: Added sorting of top accounts by transaction_count in descending order to improve data presentation and quick decision making. (Commit: 24d4e5821236a57efea8786dc1ac3ebb81cb88a8) - Donation campaign feed: owner/address filter added to enable retrieval of feeds based on ownership status and updated handler/repository accordingly. (Commits: 0f78c96e40cc7edbb4a0e7fa2c60167e838ba956; 2cb8d27e3193dfe6f25558cd85316aa18dc257a8) - Accent-insensitive Vietnamese search for donation campaigns: Implemented using PostgreSQL unaccent extension to improve search relevance for Vietnamese text. (Commit: b6765bd1d266bcb9bf523acb196b0a37b857243e) Major bugs fixed: - ListCampaigns API input validation and error handling: Ensured invalid 'limit' inputs return 400 Bad Request instead of 500, improving API reliability and client feedback. (Commit: 9bdfe5b32b08d7f6dce0363b2941439e5b388bfe) Overall impact and accomplishments: - Improved API reliability and user experience through precise error handling and input validation. - Enhanced data presentation in wallet views and more relevant campaign search results, supporting faster business decisions for product and marketing teams. - Strengthened capabilities for donors and campaign owners via targeted feeds and more intuitive search. Technologies/skills demonstrated: - Backend feature implementation and integration with database (PostgreSQL unaccent extension). - Data presentation enhancements (sorting/top accounts by transaction_count). - Robust input validation and error handling patterns for REST APIs. - Clear commit-based traceability for business-value deliverables.
November 2025
3 Commits • 2 Features
Nov 1, 2025November 2025 — Mesonai/mmn-tx-explorer: automated data integrity improvements and feature-rich API enhancements to improve data accuracy, performance, and user experience.
3 Commits • 2 Features
Nov 1, 2025November 2025 — Mesonai/mmn-tx-explorer: automated data integrity improvements and feature-rich API enhancements to improve data accuracy, performance, and user experience.
November 2025
October 2025
3 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for mezonai/mmn-tx-explorer: Delivered a major API/Frontend refactor for transaction statistics, improved dashboard correctness, and added historical data capabilities through a Wallet last_block column. These changes enhance data accuracy, performance, and analytics readiness, supporting better operational decision-making and customer-facing dashboards. Highlights include refactoring the transaction stats API with separate endpoints for dashboard and transaction-specific stats, frontend and handler updates, improved performance, and a broader data model. Key commits include 3a711273dbb1c1ade8051f0a3bfb168187706e16 for API optimization, 56d3576c0f42818084448ad00ff9df793fa96ee4 for dashboard stats correctness, and d28383a44e37d61bd403f6d07ae2c6ca26bcb69b for wallet last_block tracking.
October 2025
3 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for mezonai/mmn-tx-explorer: Delivered a major API/Frontend refactor for transaction statistics, improved dashboard correctness, and added historical data capabilities through a Wallet last_block column. These changes enhance data accuracy, performance, and analytics readiness, supporting better operational decision-making and customer-facing dashboards. Highlights include refactoring the transaction stats API with separate endpoints for dashboard and transaction-specific stats, frontend and handler updates, improved performance, and a broader data model. Key commits include 3a711273dbb1c1ade8051f0a3bfb168187706e16 for API optimization, 56d3576c0f42818084448ad00ff9df793fa96ee4 for dashboard stats correctness, and d28383a44e37d61bd403f6d07ae2c6ca26bcb69b for wallet last_block tracking.
September 2025
3 Commits • 3 Features
Sep 1, 2025In September 2025, the team delivered three core capabilities for mezonai/mmn-tx-explorer, advancing data richness, performance, and maintainability. The work focused on enriching transaction analytics, streamlining wallet-level metrics, and migrating the Insight indexer to PostgreSQL to reduce dependency on ClickHouse. The updates are accompanied by targeted tests and configuration changes to support smoother deployment and future scalability.
3 Commits • 3 Features
Sep 1, 2025In September 2025, the team delivered three core capabilities for mezonai/mmn-tx-explorer, advancing data richness, performance, and maintainability. The work focused on enriching transaction analytics, streamlining wallet-level metrics, and migrating the Insight indexer to PostgreSQL to reduce dependency on ClickHouse. The updates are accompanied by targeted tests and configuration changes to support smoother deployment and future scalability.
September 2025
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Quality Metrics
Correctness87.4%
Maintainability80.0%
Architecture80.6%
Performance81.0%
AI Usage27.0%
Skills & Technologies
Programming Languages
BashGoJavaScriptSQLTypeScriptYAML
Technical Skills
API DevelopmentAPI developmentAPI integrationBackend DevelopmentBlockchain IndexingClickHouseData ModelingDatabase ManagementDatabase MigrationDatabase OptimizationDockerFrontend DevelopmentGoPostgreSQLReact
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