40acres/40swap
Nov 2024 – Jan 2026
10 Months active
Languages Used
HTMLSCSSShellTypeScriptBashJSONJavaScriptMarkdown
Technical Skills
Backend DevelopmentBootstrapFrontend DevelopmentShell ScriptingSolidJSUI/UX Development
Alberto Manzaneque
PROFILE
Alberto Manzaneque
Aman Zag built and maintained the 40acres/40swap platform, delivering features and fixes across backend, frontend, and infrastructure over ten months. He integrated Liquid Network support, overhauled swap flows with a unified SDK, and implemented robust CI/CD pipelines using TypeScript, Node.js, and Docker. His work included hardening web security via Nginx configuration, improving observability with Prometheus metrics, and enhancing API documentation for partner integrations. Aman addressed critical vulnerabilities, refined error handling, and enforced risk controls through UI and contract changes. His contributions demonstrated depth in blockchain integration, security, and developer experience, resulting in a more reliable and auditable swap service.
Overall Statistics
Feature vs Bugs
65%Features
Repository Contributions
56Total
Bugs
8
Commits
56
Features
15
Lines of code
22,301
Activity Months10
Your Network
3 peopleShared Repositories
3
Work History
January 2026
1 Commits
Jan 1, 2026January 2026 monthly work summary for 40acres/40swap: focused on strengthening security and reliability of the swap contracts. Addressed a critical vulnerability in transaction replacement by implementing robust handling for contract amount mismatches and adding integration tests that validate dust griefing attack scenarios. This work improved platform security, reduced risk of asset loss, and enhanced audit-readiness and user trust.
1 Commits
Jan 1, 2026January 2026 monthly work summary for 40acres/40swap: focused on strengthening security and reliability of the swap contracts. Addressed a critical vulnerability in transaction replacement by implementing robust handling for contract amount mismatches and adding integration tests that validate dust griefing attack scenarios. This work improved platform security, reduced risk of asset loss, and enhanced audit-readiness and user trust.
January 2026
October 2025
19 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for repository 40acres/40swap. Delivered comprehensive security hardening and stability improvements across features and CI/CD. Key outcomes: - Web Security Hardening: Implemented stricter Content Security Policy and HTTP security headers via Nginx, consolidating security across assets (scripts, styles, fonts, and resources) to mitigate XSS and related vulnerabilities. This was supported by a sequence of commits adding security headers and an nginx config fix. - Dependency and Tooling Upgrades: Upgraded core dependencies and tooling (including ORM) to address security vulnerabilities and improve stability, reducing risk surface and aligning with current best practices. - Swap Service Reliability, Metrics Handling and CI/Test Improvements: Enhanced swap flow observability, added non-blocking error handling, adjusted CI timeouts, and improved test logging and metrics robustness to improve triage and reduce flakiness. Impact and Accomplishments: - Strengthened security posture and compliance readiness by hardening request handling and asset loading. - Increased deployment stability and reduced CI/CD flakiness, enabling faster and more reliable releases. - Improved visibility into swap operations with richer logs and metrics, speeding incident response and performance tuning. Technologies/Skills Demonstrated: - Nginx configuration for security headers and CSP - Content Security Policy (CSP) enforcement - Backend ORM upgrades (TypeORM) and tooling updates - CI/CD reliability improvements, test logging, and timeout tuning - Observability and non-blocking error handling in distributed flows
October 2025
19 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for repository 40acres/40swap. Delivered comprehensive security hardening and stability improvements across features and CI/CD. Key outcomes: - Web Security Hardening: Implemented stricter Content Security Policy and HTTP security headers via Nginx, consolidating security across assets (scripts, styles, fonts, and resources) to mitigate XSS and related vulnerabilities. This was supported by a sequence of commits adding security headers and an nginx config fix. - Dependency and Tooling Upgrades: Upgraded core dependencies and tooling (including ORM) to address security vulnerabilities and improve stability, reducing risk surface and aligning with current best practices. - Swap Service Reliability, Metrics Handling and CI/Test Improvements: Enhanced swap flow observability, added non-blocking error handling, adjusted CI timeouts, and improved test logging and metrics robustness to improve triage and reduce flakiness. Impact and Accomplishments: - Strengthened security posture and compliance readiness by hardening request handling and asset loading. - Increased deployment stability and reduced CI/CD flakiness, enabling faster and more reliable releases. - Improved visibility into swap operations with richer logs and metrics, speeding incident response and performance tuning. Technologies/Skills Demonstrated: - Nginx configuration for security headers and CSP - Content Security Policy (CSP) enforcement - Backend ORM upgrades (TypeORM) and tooling updates - CI/CD reliability improvements, test logging, and timeout tuning - Observability and non-blocking error handling in distributed flows
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 focused on strengthening swap transaction safeguards in 40swap. Delivered a UI feature to hardcode the maximum swap amount at 0.009, replacing the previous dynamic configuration value. This enforces a fixed upper limit on swaps, reducing risk of oversized trades and simplifying risk controls. The change is backed by a dedicated commit and provides clear traceability from code to requirements. No major bugs fixed this month; maintenance activity was minimal. Overall impact: improved risk compliance, stable UX, and clearer governance of swap limits. Technologies demonstrated: front-end hardcoding, UI configuration handling, and robust commit documentation.
1 Commits • 1 Features
Sep 1, 2025September 2025 focused on strengthening swap transaction safeguards in 40swap. Delivered a UI feature to hardcode the maximum swap amount at 0.009, replacing the previous dynamic configuration value. This enforces a fixed upper limit on swaps, reducing risk of oversized trades and simplifying risk controls. The change is backed by a dedicated commit and provides clear traceability from code to requirements. No major bugs fixed this month; maintenance activity was minimal. Overall impact: improved risk compliance, stable UX, and clearer governance of swap limits. Technologies demonstrated: front-end hardcoding, UI configuration handling, and robust commit documentation.
September 2025
August 2025
3 Commits
Aug 1, 2025Concise monthly summary for 2025-08 focusing on business value and technical accomplishments for 40acres/40swap. This month emphasized reliability improvements through two bug fixes: Bitfinex CLTV compatibility and CLI parsing robustness. The changes reduced swap payment failures and improved CLI stability, supporting smoother Bitfinex swap workflows.
August 2025
3 Commits
Aug 1, 2025Concise monthly summary for 2025-08 focusing on business value and technical accomplishments for 40acres/40swap. This month emphasized reliability improvements through two bug fixes: Bitfinex CLTV compatibility and CLI parsing robustness. The changes reduced swap payment failures and improved CLI stability, supporting smoother Bitfinex swap workflows.
July 2025
4 Commits • 2 Features
Jul 1, 2025July 2025 performance summary for 40swap: Strengthened observability and reliability through targeted instrumentation and metricization. Key features delivered include enhanced swap service logging for traceability and improved error handling, and a new Prometheus-based Elements Wallet Balance Metric Provider with tighter integration and reduced polling. Additionally, a robustness fix was implemented to improve RPC error handling and wallet name logging in the metrics path. These efforts delivered improved traceability of on-chain swaps, real-time wallet balance visibility, and more reliable operational metrics, enabling faster debugging, proactive monitoring, and data-driven decisions.
4 Commits • 2 Features
Jul 1, 2025July 2025 performance summary for 40swap: Strengthened observability and reliability through targeted instrumentation and metricization. Key features delivered include enhanced swap service logging for traceability and improved error handling, and a new Prometheus-based Elements Wallet Balance Metric Provider with tighter integration and reduced polling. Additionally, a robustness fix was implemented to improve RPC error handling and wallet name logging in the metrics path. These efforts delivered improved traceability of on-chain swaps, real-time wallet balance visibility, and more reliable operational metrics, enabling faster debugging, proactive monitoring, and data-driven decisions.
July 2025
June 2025
16 Commits • 2 Features
Jun 1, 2025June 2025 performance highlights for 40acres/40swap: Delivered a major architecture overhaul and integration of the 40swap SDK, consolidating swap flows under a single SDK with new client classes, trackers, frontend integration, and poll safety. Fixed critical PSBT parsing for swap-out refunds, correcting handling for Bitcoin and Liquid by switching from fromHex to fromBase64. Improved swap expiry calculation (CLTV) with a new block-difference constant and cross-chain timeout adjustments for Liquid and Bitcoin to guarantee accurate expiry times. Enhanced observability with Prometheus metrics for LND channel aliases, standardized metric labels, and interval-based collection. Also updated tests and docs to reflect SDK changes and monitoring enhancements.
June 2025
16 Commits • 2 Features
Jun 1, 2025June 2025 performance highlights for 40acres/40swap: Delivered a major architecture overhaul and integration of the 40swap SDK, consolidating swap flows under a single SDK with new client classes, trackers, frontend integration, and poll safety. Fixed critical PSBT parsing for swap-out refunds, correcting handling for Bitcoin and Liquid by switching from fromHex to fromBase64. Improved swap expiry calculation (CLTV) with a new block-difference constant and cross-chain timeout adjustments for Liquid and Bitcoin to guarantee accurate expiry times. Enhanced observability with Prometheus metrics for LND channel aliases, standardized metric labels, and interval-based collection. Also updated tests and docs to reflect SDK changes and monitoring enhancements.
May 2025
4 Commits • 1 Features
May 1, 2025In May 2025, delivered reliability, developer tooling, and data integrity improvements for the 40swap repository (40acres/40swap). Focused on correcting data history tracking, hardening client-side validation, and expanding API/docs to accelerate partner integrations. The work reduces history inaccuracies, lowers onboarding time for developers, and strengthens deployment confidence through docs and build tooling improvements.
4 Commits • 1 Features
May 1, 2025In May 2025, delivered reliability, developer tooling, and data integrity improvements for the 40swap repository (40acres/40swap). Focused on correcting data history tracking, hardening client-side validation, and expanding API/docs to accelerate partner integrations. The work reduces history inaccuracies, lowers onboarding time for developers, and strengthens deployment confidence through docs and build tooling improvements.
May 2025
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025: Delivered a CI integration testing pipeline for the 40swap project, introducing a Dockerized integration test flow in the server-backend. Implemented Node.js setup, dependency installation, and test execution within the CI workflow. The build job now depends on the successful completion of the integration tests, enabling gate-based releases and reducing the risk of regressions reaching production. No major bugs fixed this month as the primary focus was building a robust test infrastructure and CI quality gate. Technologies demonstrated include Docker, CI/CD orchestration, Node.js, test automation, and workflow wiring. Business impact includes faster feedback loops, earlier regression detection in critical backend paths, and higher release confidence by enforcing integration tests before merges to main.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025: Delivered a CI integration testing pipeline for the 40swap project, introducing a Dockerized integration test flow in the server-backend. Implemented Node.js setup, dependency installation, and test execution within the CI workflow. The build job now depends on the successful completion of the integration tests, enabling gate-based releases and reducing the risk of regressions reaching production. No major bugs fixed this month as the primary focus was building a robust test infrastructure and CI quality gate. Technologies demonstrated include Docker, CI/CD orchestration, Node.js, test automation, and workflow wiring. Business impact includes faster feedback loops, earlier regression detection in critical backend paths, and higher release confidence by enforcing integration tests before merges to main.
January 2025
5 Commits • 4 Features
Jan 1, 2025Concise monthly summary for 2025-01 highlighting key deliveries, impact, and technical achievements for 40acres/40swap. What was delivered: - Liquid Network support and Elements Node integration: Updated the dev environment to include an Elements node and extended the swap service to handle Liquid chain types, enabling swap-in transactions on Liquid. - UI enhancement: Added a GitHub link in the footer and wired the GitHub icon, ensuring the repository is visible from the app footer; also performed icon fix for better fidelity. - Developer onboarding and testing workflow: Expanded README with dev environment instructions, suggested aliases, and example commands for mining, paying invoices, and sending bitcoins to improve developer setup and testing workflow. - Licensing: Added AGPL v3 license to establish open-source terms and governance. Major bugs fixed: - Minor UI fixes including the GitHub icon and footer link alignment; no critical defects reported this month. Overall impact and accomplishments: - Accelerated ability to perform Liquid-based swaps, expanding market reach and redundancy. - Improved developer experience and onboarding, reducing setup time and ambiguity. - Clear licensing improves open-source compliance and contribution guidelines. Technologies/skills demonstrated: - Liquid network concepts, Elements node integration, and chain-type handling in services. - Frontend/footer UI enhancements and asset management. - Documentation discipline and testing workflow guidance. - Open-source licensing alignment (AGPL v3).
5 Commits • 4 Features
Jan 1, 2025Concise monthly summary for 2025-01 highlighting key deliveries, impact, and technical achievements for 40acres/40swap. What was delivered: - Liquid Network support and Elements Node integration: Updated the dev environment to include an Elements node and extended the swap service to handle Liquid chain types, enabling swap-in transactions on Liquid. - UI enhancement: Added a GitHub link in the footer and wired the GitHub icon, ensuring the repository is visible from the app footer; also performed icon fix for better fidelity. - Developer onboarding and testing workflow: Expanded README with dev environment instructions, suggested aliases, and example commands for mining, paying invoices, and sending bitcoins to improve developer setup and testing workflow. - Licensing: Added AGPL v3 license to establish open-source terms and governance. Major bugs fixed: - Minor UI fixes including the GitHub icon and footer link alignment; no critical defects reported this month. Overall impact and accomplishments: - Accelerated ability to perform Liquid-based swaps, expanding market reach and redundancy. - Improved developer experience and onboarding, reducing setup time and ambiguity. - Clear licensing improves open-source compliance and contribution guidelines. Technologies/skills demonstrated: - Liquid network concepts, Elements node integration, and chain-type handling in services. - Frontend/footer UI enhancements and asset management. - Documentation discipline and testing workflow guidance. - Open-source licensing alignment (AGPL v3).
January 2025
November 2024
2 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Focused on delivering user-facing support enhancements and infrastructure improvements to boost reliability and maintainability for 40swap.
November 2024
2 Commits • 1 Features
Nov 1, 2024Month: 2024-11 — Focused on delivering user-facing support enhancements and infrastructure improvements to boost reliability and maintainability for 40swap.
Activity
Loading activity data...
Quality Metrics
Correctness84.4%
Maintainability87.0%
Architecture80.2%
Performance75.4%
AI Usage21.0%
Skills & Technologies
Programming Languages
BashDockerfileHTMLJSONJavaScriptMarkdownNginxSCSSShellTOML
Technical Skills
API DesignAPI DocumentationAPI IntegrationBackend DevelopmentBitcoinBlockchainBootstrapBuild ToolsCI/CDCLI DevelopmentCryptocurrencyDatabase ManagementDependency ManagementDevOpsDocker
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline