hyperledger-labs/splice-wallet-kernel
Aug 2025 – Apr 2026
9 Months active
Languages Used
JavaScriptTypeScriptYAMLJSONSQL
Technical Skills
API IntegrationBackend DevelopmentData TransformationJestLedger IntegrationMocking
pawelstepien-da
PROFILE
Pawelstepien-da
Over nine months, contributed to the hyperledger-labs/splice-wallet-kernel by building and enhancing wallet infrastructure, transaction workflows, and API surfaces. Focused on backend and full stack development using TypeScript, JavaScript, and SQL, the work included designing robust API contracts, integrating OpenAPI specifications, and implementing dynamic wallet gateway configuration for secure deployments. Delivered features such as transaction parsing, token metadata management, and multi-network wallet synchronization, while improving reliability through automated testing with Vitest and Playwright. Addressed data integrity and user experience by enforcing wallet uniqueness constraints and restoring real-time feedback, resulting in a more resilient, maintainable, and user-friendly wallet platform.
Overall Statistics
Feature vs Bugs
86%Features
Repository Contributions
42Total
Bugs
4
Commits
42
Features
25
Lines of code
378,701
Activity Months9
Your Network
54 peopleShared Repositories
22
Work History
April 2026
2 Commits • 1 Features
Apr 1, 2026April 2026 highlights for splice-wallet-kernel: Built a robust testing foundation by integrating Vitest with Playwright, enhancing test coverage reporting and feedback speed; restored real‑time user feedback by reinstating toasts for party allocation status during wallet operations; these changes reduce release risk, improve UX, and demonstrate strong automation and UI feedback capabilities.
2 Commits • 1 Features
Apr 1, 2026April 2026 highlights for splice-wallet-kernel: Built a robust testing foundation by integrating Vitest with Playwright, enhancing test coverage reporting and feedback speed; restored real‑time user feedback by reinstating toasts for party allocation status during wallet operations; these changes reduce release risk, improve UX, and demonstrate strong automation and UI feedback capabilities.
April 2026
March 2026
3 Commits • 2 Features
Mar 1, 2026March 2026 highlights for hyperledger-labs/splice-wallet-kernel: Fixed Vite base-path loading issues in the wallet gateway, enabling reliable development and deployment; added wallet reallocation logic in sync to reflect external signing results; implemented asynchronous transaction approval and signing using Fireblocks to streamline transaction management. Together, these changes reduce deployment friction, improve wallet state accuracy, and enhance secure, scalable transaction workflows. Technologies demonstrated include Vite tooling, sync state management, and Fireblocks integration.
March 2026
3 Commits • 2 Features
Mar 1, 2026March 2026 highlights for hyperledger-labs/splice-wallet-kernel: Fixed Vite base-path loading issues in the wallet gateway, enabling reliable development and deployment; added wallet reallocation logic in sync to reflect external signing results; implemented asynchronous transaction approval and signing using Fireblocks to streamline transaction management. Together, these changes reduce deployment friction, improve wallet state accuracy, and enhance secure, scalable transaction workflows. Technologies demonstrated include Vite tooling, sync state management, and Fireblocks integration.
February 2026
3 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for hyperledger-labs/splice-wallet-kernel highlighting business value and technical achievements. Key improvements include data integrity, reliability, and UX enhancements driven by a unique wallet identity constraint, end-to-end connectivity testing, and user feedback during pending transaction deletion. The work reduces duplicate wallet records, increases gateway reliability, and improves user experience for wallet operations, delivering measurable value to both operators and end users.
3 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for hyperledger-labs/splice-wallet-kernel highlighting business value and technical achievements. Key improvements include data integrity, reliability, and UX enhancements driven by a unique wallet identity constraint, end-to-end connectivity testing, and user feedback during pending transaction deletion. The work reduces duplicate wallet records, increases gateway reliability, and improves user experience for wallet operations, delivering measurable value to both operators and end users.
February 2026
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 (Month: 2026-01) — Delivered reliability, security, and multi-network scalability enhancements for the splice-wallet-kernel. Key outcomes include: improved wallet gateway token expiry handling with better error responses and session management; flexible signing via a new key identifier system; refactored RPC transport for the Splice provider; and unified cross-network wallet management with enhanced sync and per-network primary wallets. These changes reduce session failures, expand signing flexibility, improve inter-component communication, and enable scalable multi-network deployments across multiple networks.
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 (Month: 2026-01) — Delivered reliability, security, and multi-network scalability enhancements for the splice-wallet-kernel. Key outcomes include: improved wallet gateway token expiry handling with better error responses and session management; flexible signing via a new key identifier system; refactored RPC transport for the Splice provider; and unified cross-network wallet management with enhanced sync and per-network primary wallets. These changes reduce session failures, expand signing flexibility, improve inter-component communication, and enable scalable multi-network deployments across multiple networks.
December 2025
8 Commits • 4 Features
Dec 1, 2025December 2025: Delivered core wallet infrastructure improvements and tracing enhancements that directly increase deployment reliability, security, and business value. Focused on gateway configuration, provenance and lifecycle tracking, wallet signing interoperability, and developer experience to accelerate secure wallet operations and integrations.
8 Commits • 4 Features
Dec 1, 2025December 2025: Delivered core wallet infrastructure improvements and tracing enhancements that directly increase deployment reliability, security, and business value. Focused on gateway configuration, provenance and lifecycle tracking, wallet signing interoperability, and developer experience to accelerate secure wallet operations and integrations.
December 2025
November 2025
6 Commits • 5 Features
Nov 1, 2025November 2025: Delivered core wallet and ledger improvements with enhanced transaction parsing, token metadata management, API versioning, system observability, and load resiliency. Key features delivered include Wallet SDK Transaction Handling Enhancements, Token Metadata Management, Multi-version Splice API Support, Traffic Status Monitoring for Members, and Load Testing Readiness with LedgerClient Resiliency. No explicit major bugs fixed were documented this month; focus was on feature delivery with stability improvements and automated testing. Business impact includes faster transaction context retrieval, richer asset metadata, broader network compatibility, better member observability, and robust performance under heavy load. Technologies/skills demonstrated include LedgerClient/wallet-sdk integration, core-ledger-client enhancements, API versioning, GitHub Actions stress tests, and retry logic for resiliency.
November 2025
6 Commits • 5 Features
Nov 1, 2025November 2025: Delivered core wallet and ledger improvements with enhanced transaction parsing, token metadata management, API versioning, system observability, and load resiliency. Key features delivered include Wallet SDK Transaction Handling Enhancements, Token Metadata Management, Multi-version Splice API Support, Traffic Status Monitoring for Members, and Load Testing Readiness with LedgerClient Resiliency. No explicit major bugs fixed were documented this month; focus was on feature delivery with stability improvements and automated testing. Business impact includes faster transaction context retrieval, richer asset metadata, broader network compatibility, better member observability, and robust performance under heavy load. Technologies/skills demonstrated include LedgerClient/wallet-sdk integration, core-ledger-client enhancements, API versioning, GitHub Actions stress tests, and retry logic for resiliency.
October 2025
4 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary focused on expanding Splice wallet capabilities through API surface expansion and allocation lifecycle enhancements across core ledger, token standard, and wallet SDK. Delivered API contracts with OpenAPI definitions, enabling clearer integration surfaces, discoverability, and automation. Implemented allocation workflows across multiple modules, with improved modularity and lifecycle controls for allocations (create, execute, withdraw, preapprove/cancel/renew).
4 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary focused on expanding Splice wallet capabilities through API surface expansion and allocation lifecycle enhancements across core ledger, token standard, and wallet SDK. Delivered API contracts with OpenAPI definitions, enabling clearer integration surfaces, discoverability, and automation. Implemented allocation workflows across multiple modules, with improved modularity and lifecycle controls for allocations (create, execute, withdraw, preapprove/cancel/renew).
October 2025
September 2025
8 Commits • 4 Features
Sep 1, 2025Monthly summary for 2025-09: Implemented key features across contract discovery, mining round handling, transaction retrieval, and withdraw transfers in hyperledger-labs/splice-wallet-kernel. Focused on business value, maintainability, and reliability across core-ledger-client, wallet-sdk, and related components.
September 2025
8 Commits • 4 Features
Sep 1, 2025Monthly summary for 2025-09: Implemented key features across contract discovery, mining round handling, transaction retrieval, and withdraw transfers in hyperledger-labs/splice-wallet-kernel. Focused on business value, maintainability, and reliability across core-ledger-client, wallet-sdk, and related components.
August 2025
2 Commits • 2 Features
Aug 1, 2025Month: 2025-08 | Performance Review Summary: Focused on strengthening core ledger reliability and data usability in the splice-wallet-kernel. Delivered two major features in the core-ledger-client: (1) TransactionParser Unit Test Coverage with robust mock data and edge-case scenarios (including 404 handling when fetching events), and (2) PrettyTransactions for Holdings to translate raw listHoldingTransactions into a user-friendly format for downstream consumers. These efforts improve validation, reduce downstream risk, and accelerate feature development.
2 Commits • 2 Features
Aug 1, 2025Month: 2025-08 | Performance Review Summary: Focused on strengthening core ledger reliability and data usability in the splice-wallet-kernel. Delivered two major features in the core-ledger-client: (1) TransactionParser Unit Test Coverage with robust mock data and edge-case scenarios (including 404 handling when fetching events), and (2) PrettyTransactions for Holdings to translate raw listHoldingTransactions into a user-friendly format for downstream consumers. These efforts improve validation, reduce downstream risk, and accelerate feature development.
August 2025
Activity
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Quality Metrics
Correctness88.8%
Maintainability83.6%
Architecture85.8%
Performance81.6%
AI Usage29.0%
Skills & Technologies
Programming Languages
JSONJavaScriptSQLTypeScriptYAML
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAPI UtilitiesAPI designAPI developmentBackend DevelopmentClient-Server ArchitectureClient-Server CommunicationCode OrganizationContract InteractionDAMLData TransformationDevOpsDocker
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