rotki/rotki
Nov 2024 – Nov 2025
13 Months active
Languages Used
ABIPythonSQLSVGTOMLrstTypeScriptCSV
Technical Skills
API DevelopmentAPI IntegrationAsynchronous OperationsBackend DevelopmentBlockchain DevelopmentCaching Strategies
Nicholas Yoder
PROFILE
Nicholas Yoder
Nicholas Yoder engineered robust cross-chain data processing and decoding capabilities for the rotki/rotki repository, focusing on portfolio analytics, transaction history, and on-chain event standardization. He architected and refactored backend systems in Python and SQL, integrating blockchain data from EVM, Solana, and Bitcoin networks. His work included building unified APIs, enhancing database reliability, and implementing real-time WebSocket updates for transaction status. Nicholas centralized asset normalization logic, expanded decoder suites for DeFi protocols, and improved data quality through rigorous testing and error handling. These efforts resulted in scalable, maintainable infrastructure that supports accurate analytics, tax reporting, and seamless onboarding of new assets.
Overall Statistics
Feature vs Bugs
60%Features
Repository Contributions
305Total
Bugs
72
Commits
305
Features
109
Lines of code
86,204
Activity Months13
Work History
November 2025
2 Commits • 2 Features
Nov 1, 2025November 2025 performance summary for rotki/rotki: Delivered two key feature initiatives with an emphasis on consistency, maintainability, and reliability, while maintaining focus on business value and future scalability. Major bug fixes: none reported this month. Overall impact: improved data standardization and on-chain event decoding capability, reducing maintenance burden and enabling smoother integration of future token utilities. Key highlights include: 1) Consolidation of token value normalization and decimal handling into a centralized assets.utils module to ensure consistent behavior across chain modules; 2) Added decoding for Jito tip payments on Solana, including new constants and decoder logic, with changelog updates to reflect the capability.
2 Commits • 2 Features
Nov 1, 2025November 2025 performance summary for rotki/rotki: Delivered two key feature initiatives with an emphasis on consistency, maintainability, and reliability, while maintaining focus on business value and future scalability. Major bug fixes: none reported this month. Overall impact: improved data standardization and on-chain event decoding capability, reducing maintenance burden and enabling smoother integration of future token utilities. Key highlights include: 1) Consolidation of token value normalization and decimal handling into a centralized assets.utils module to ensure consistent behavior across chain modules; 2) Added decoding for Jito tip payments on Solana, including new constants and decoder logic, with changelog updates to reflect the capability.
November 2025
October 2025
29 Commits • 6 Features
Oct 1, 2025October 2025 monthly summary for rotki/rotki focusing on deliverables, reliability improvements, and business impact. The month centered on expanding Solana data processing, strengthening decoding reliability, and improving historical data handling, API capabilities, and release hygiene.
October 2025
29 Commits • 6 Features
Oct 1, 2025October 2025 monthly summary for rotki/rotki focusing on deliverables, reliability improvements, and business impact. The month centered on expanding Solana data processing, strengthening decoding reliability, and improving historical data handling, API capabilities, and release hygiene.
September 2025
28 Commits • 14 Features
Sep 1, 2025September 2025 monthly update for rotki/rotki. Delivered cross-chain enhancements and reliability improvements with a focus on Solana and Ethereum-like ecosystems. Key features implemented include Quickswap v4 swap decoding, LP decoding, and LP position pricing; Solana token balances retrieval; Solana RPC rate-limit handling improvements; Uniswap-like counterparties display name enhancements; Solana transaction querying and storage across multiple sources with chunked storage; Summer.fi proxy account decoding including balances and multi-proxy support; and Linea airdrop integration. Notable bug fixes include: editing ZKSync Lite events, updating address book entries only when specified, preventing path-like usernames, pulling on-chain tx data when adding/editing events with missing tx, and Crypto.com event deserialization improvements. Impact: expanded asset coverage and data fidelity, improved reliability and UX, and stronger scalability for cross-chain data ingestion. Technologies/skills demonstrated: Solana decoding rules, DecoderInterface refactor, SolanaInquirer, refactored chain managers, multi-source RPC querying, and chunked data storage.
28 Commits • 14 Features
Sep 1, 2025September 2025 monthly update for rotki/rotki. Delivered cross-chain enhancements and reliability improvements with a focus on Solana and Ethereum-like ecosystems. Key features implemented include Quickswap v4 swap decoding, LP decoding, and LP position pricing; Solana token balances retrieval; Solana RPC rate-limit handling improvements; Uniswap-like counterparties display name enhancements; Solana transaction querying and storage across multiple sources with chunked storage; Summer.fi proxy account decoding including balances and multi-proxy support; and Linea airdrop integration. Notable bug fixes include: editing ZKSync Lite events, updating address book entries only when specified, preventing path-like usernames, pulling on-chain tx data when adding/editing events with missing tx, and Crypto.com event deserialization improvements. Impact: expanded asset coverage and data fidelity, improved reliability and UX, and stronger scalability for cross-chain data ingestion. Technologies/skills demonstrated: Solana decoding rules, DecoderInterface refactor, SolanaInquirer, refactored chain managers, multi-source RPC querying, and chunked data storage.
September 2025
August 2025
40 Commits • 20 Features
Aug 1, 20252025-08 Monthly Summary for rotki/rotki focused on stabilizing and expanding on-chain data decoding, improving data quality, and optimizing performance across the data pipeline. Key features delivered include Beefy vault fixes, expanded Uniswap v2/v3/v4 decoders across chains, API efficiency enhancements, Coinbase Prime mappings and WS improvements, and WebSocket/location handling with TypeScript validation, plus Solana support enhancements. Major bugs fixed addressed data quality and reliability, including skipping refunds and unconfirmed BTC transactions, tax accounting corrections, and curve pool decoding fixes. Overall, the work delivered tangible business value through more accurate portfolio analytics, reliable tax reporting, and scalable data pipelines, enabling smoother onboarding of new protocols and faster data processing. Technologies demonstrated span Python data processing, TypeScript validation, WebSocket integration, database migrations, and robust decoding logic, with performance, reliability, and maintainability improvements.
August 2025
40 Commits • 20 Features
Aug 1, 20252025-08 Monthly Summary for rotki/rotki focused on stabilizing and expanding on-chain data decoding, improving data quality, and optimizing performance across the data pipeline. Key features delivered include Beefy vault fixes, expanded Uniswap v2/v3/v4 decoders across chains, API efficiency enhancements, Coinbase Prime mappings and WS improvements, and WebSocket/location handling with TypeScript validation, plus Solana support enhancements. Major bugs fixed addressed data quality and reliability, including skipping refunds and unconfirmed BTC transactions, tax accounting corrections, and curve pool decoding fixes. Overall, the work delivered tangible business value through more accurate portfolio analytics, reliable tax reporting, and scalable data pipelines, enabling smoother onboarding of new protocols and faster data processing. Technologies demonstrated span Python data processing, TypeScript validation, WebSocket integration, database migrations, and robust decoding logic, with performance, reliability, and maintainability improvements.
July 2025
20 Commits • 9 Features
Jul 1, 2025July 2025 focused on delivering real-time operational visibility, strengthening data integrity, and expanding coverage across assets and networks to increase reliability and business value. Key features include WebSocket-based real-time transaction status updates across EVM and Bitcoin, an EVM Transaction Status API endpoint with timing/queue metrics, and manual data refresh for Monerium and Gnosis Pay. Major improvements include robust transaction decoding for Paraswap/Curve and Gnosis Pay/Monerium, enhanced Bitcoin/BCH transaction querying with a common manager and BCH fallbacks, and refined deletion endpoints with cache invalidation. Additional enhancements cover premium-only access controls, improved history filtering for non-EVM addresses, Solana token support in airdrops, Merkl/Morpho reward decoding, and targeted fixes for xDai bridge deposits and L1 gas fee handling. All efforts contributed to higher data accuracy, lower incident risk, and clearer monetization and service-level visibility, along with expanded test coverage and docs.
20 Commits • 9 Features
Jul 1, 2025July 2025 focused on delivering real-time operational visibility, strengthening data integrity, and expanding coverage across assets and networks to increase reliability and business value. Key features include WebSocket-based real-time transaction status updates across EVM and Bitcoin, an EVM Transaction Status API endpoint with timing/queue metrics, and manual data refresh for Monerium and Gnosis Pay. Major improvements include robust transaction decoding for Paraswap/Curve and Gnosis Pay/Monerium, enhanced Bitcoin/BCH transaction querying with a common manager and BCH fallbacks, and refined deletion endpoints with cache invalidation. Additional enhancements cover premium-only access controls, improved history filtering for non-EVM addresses, Solana token support in airdrops, Merkl/Morpho reward decoding, and targeted fixes for xDai bridge deposits and L1 gas fee handling. All efforts contributed to higher data accuracy, lower incident risk, and clearer monetization and service-level visibility, along with expanded test coverage and docs.
July 2025
June 2025
17 Commits • 5 Features
Jun 1, 2025June 2025 (Rotki) – Focused on expanding asset coverage, improving data quality, and boosting performance/reliability to deliver stronger business value and scalable analytics. Key outcomes: - BTC data capabilities expanded: added comprehensive Bitcoin transaction processing, decoding, and multi-API ingestion, enabling richer BTC history events and more accurate accounting. - Cross-chain expansion: refactored transaction querying to support multiple blockchains via a unified data-fetching approach, paving the way for faster onboarding of new assets. - Improved accuracy and traceability: added DigixDAO DGD refunds decoding to improve event categorization; fixed data ordering and duplicate timestamp issues affecting PnL calculations; corrected Binance trade imports for timestamp-based aggregation. - Performance and efficiency gains: token price queries skip zero-balance tokens to reduce API load; database improvements include batching utilities and documented indexing performance notes, strengthening reliability for high-velocity data. Business impact: - More complete and timely asset histories enable better risk/return analytics and accounting. - Scalable architecture supports future asset expansions with lower incremental maintenance. - Lower data latency and higher data quality improve user trust and decision-making across portfolios and tax/reporting workflows.
June 2025
17 Commits • 5 Features
Jun 1, 2025June 2025 (Rotki) – Focused on expanding asset coverage, improving data quality, and boosting performance/reliability to deliver stronger business value and scalable analytics. Key outcomes: - BTC data capabilities expanded: added comprehensive Bitcoin transaction processing, decoding, and multi-API ingestion, enabling richer BTC history events and more accurate accounting. - Cross-chain expansion: refactored transaction querying to support multiple blockchains via a unified data-fetching approach, paving the way for faster onboarding of new assets. - Improved accuracy and traceability: added DigixDAO DGD refunds decoding to improve event categorization; fixed data ordering and duplicate timestamp issues affecting PnL calculations; corrected Binance trade imports for timestamp-based aggregation. - Performance and efficiency gains: token price queries skip zero-balance tokens to reduce API load; database improvements include batching utilities and documented indexing performance notes, strengthening reliability for high-velocity data. Business impact: - More complete and timely asset histories enable better risk/return analytics and accounting. - Scalable architecture supports future asset expansions with lower incremental maintenance. - Lower data latency and higher data quality improve user trust and decision-making across portfolios and tax/reporting workflows.
May 2025
23 Commits • 11 Features
May 1, 2025May 2025 monthly summary for rotki/rotki focused on delivering robust, data-rich decoders and improved reliability to support high-fidelity portfolio analytics. Delivered substantialCurve decoding and Eth2 decoder enhancements, improved validator handling and APR calculations, and auto-detection improvements for cross-chain data. Implemented critical stability fixes to reduce data duplication, correct chain-id deserialization, and improve network resilience. These changes collectively enhance data accuracy, timeliness, and business value for users relying on on-chain insights and risk assessment.
23 Commits • 11 Features
May 1, 2025May 2025 monthly summary for rotki/rotki focused on delivering robust, data-rich decoders and improved reliability to support high-fidelity portfolio analytics. Delivered substantialCurve decoding and Eth2 decoder enhancements, improved validator handling and APR calculations, and auto-detection improvements for cross-chain data. Implemented critical stability fixes to reduce data duplication, correct chain-id deserialization, and improve network resilience. These changes collectively enhance data accuracy, timeliness, and business value for users relying on on-chain insights and risk assessment.
May 2025
April 2025
38 Commits • 10 Features
Apr 1, 2025April 2025: Delivered cross-exchange SwapEvents data standardization and schema evolution, establishing a scalable path for unified analytics and improved data reliability across the portfolio. Major milestones include migrating legacy Trades to the SwapEvents schema, expanding coverage with EVM swaps, and modernizing asset accounting. Strengthened testing, typing, and robustness to reduce regression risk and accelerate developer velocity, enabling clearer business insights and faster onboarding for integrations.
April 2025
38 Commits • 10 Features
Apr 1, 2025April 2025: Delivered cross-exchange SwapEvents data standardization and schema evolution, establishing a scalable path for unified analytics and improved data reliability across the portfolio. Major milestones include migrating legacy Trades to the SwapEvents schema, expanding coverage with EVM swaps, and modernizing asset accounting. Strengthened testing, typing, and robustness to reduce regression risk and accelerate developer velocity, enabling clearer business insights and faster onboarding for integrations.
March 2025
22 Commits • 10 Features
Mar 1, 2025March 2025 focused on expanding data fidelity, performance, and stability. Key achievements include cross-exchange SwapEvents integration, improved AssetMovement notes handling, expanded test coverage for SwapEvents and AssetMovements, and performance optimizations via batch price queries. Additional API/decoder improvements and history enhancements further increased reliability and business value, including Uniswap position token info in decoder, curve module reorganization, CRVUSD decoder updates, and partial range queries for exchange history.
22 Commits • 10 Features
Mar 1, 2025March 2025 focused on expanding data fidelity, performance, and stability. Key achievements include cross-exchange SwapEvents integration, improved AssetMovement notes handling, expanded test coverage for SwapEvents and AssetMovements, and performance optimizations via batch price queries. Additional API/decoder improvements and history enhancements further increased reliability and business value, including Uniswap position token info in decoder, curve module reorganization, CRVUSD decoder updates, and partial range queries for exchange history.
March 2025
February 2025
24 Commits • 3 Features
Feb 1, 2025February 2025 (2025-02) monthly summary for rotki/rotki focused on improving data integrity, reliability, and operational efficiency across multi-exchange data processing and asset graphs. Delivered targeted fixes to trading data pipelines, streamlined event handling, and executed database upgrades to remove legacy rules. Implemented selective data querying and event decoding improvements to reduce noise and unnecessary processing, contributing to more accurate analytics and better user trust.
February 2025
24 Commits • 3 Features
Feb 1, 2025February 2025 (2025-02) monthly summary for rotki/rotki focused on improving data integrity, reliability, and operational efficiency across multi-exchange data processing and asset graphs. Delivered targeted fixes to trading data pipelines, streamlined event handling, and executed database upgrades to remove legacy rules. Implemented selective data querying and event decoding improvements to reduce noise and unnecessary processing, contributing to more accurate analytics and better user trust.
January 2025
23 Commits • 8 Features
Jan 1, 2025January 2025: Delivered substantial cross-chain expansion and data reliability for Rotki, with a focus on Binance Smart Chain (BSC) integration and broader DeFi decoder coverage. Implemented backend infrastructure and database upgrades, extended decoder suites, and improved data quality and performance, enabling richer portfolio analytics and faster insights for users across multiple EVM chains.
23 Commits • 8 Features
Jan 1, 2025January 2025: Delivered substantial cross-chain expansion and data reliability for Rotki, with a focus on Binance Smart Chain (BSC) integration and broader DeFi decoder coverage. Implemented backend infrastructure and database upgrades, extended decoder suites, and improved data quality and performance, enabling richer portfolio analytics and faster insights for users across multiple EVM chains.
January 2025
December 2024
28 Commits • 5 Features
Dec 1, 2024Dec 2024 monthly recap for rotki/rotki focused on technical modernization, system simplification, and expanded data decoding capabilities, delivering measurable business value through increased reliability, broader exchange coverage, and improved observability.
December 2024
28 Commits • 5 Features
Dec 1, 2024Dec 2024 monthly recap for rotki/rotki focused on technical modernization, system simplification, and expanded data decoding capabilities, delivering measurable business value through increased reliability, broader exchange coverage, and improved observability.
November 2024
11 Commits • 6 Features
Nov 1, 2024Month: 2024-11 — rotki/rotki delivered a set of high-impact feature decodings and improved user workflows across cross-chain data, with a strong emphasis on data integrity, developer experience, and actionable insights for users. Key features delivered reflect expanded decoding capabilities, enhanced scheduling/alerts, and a more scalable export workflow, all designed to improve visibility into on-chain activity and reduce noise in user reminders.
11 Commits • 6 Features
Nov 1, 2024Month: 2024-11 — rotki/rotki delivered a set of high-impact feature decodings and improved user workflows across cross-chain data, with a strong emphasis on data integrity, developer experience, and actionable insights for users. Key features delivered reflect expanded decoding capabilities, enhanced scheduling/alerts, and a more scalable export workflow, all designed to improve visibility into on-chain activity and reduce noise in user reminders.
November 2024
Activity
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Quality Metrics
Correctness94.2%
Maintainability91.0%
Architecture89.6%
Performance83.2%
AI Usage21.2%
Skills & Technologies
Programming Languages
ABICSVJinjaMarkdownPythonRSTRustSQLSVGSolana
Technical Skills
ABI DecodingAPI DesignAPI DevelopmentAPI DocumentationAPI IntegrationAccess ControlAccountingAccounting LogicAddress ValidationAsset ManagementAsynchronous OperationsBackend DevelopmentBackend developmentBatch ProcessingBitcoin
Repositories Contributed To
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