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DMY

PROFILE

Dmy

Dmytri worked across the Rabby and RabbyMobile repositories to deliver robust cross-chain wallet, swap, and bridge features, focusing on reliability, security, and user experience. He engineered transaction flows with advanced gas management, direct submission, and error handling, integrating APIs and on-chain data for accurate pricing and risk controls. Using TypeScript, React Native, and JavaScript, Dmytri refactored component architectures, improved state management, and enabled hardware wallet support. His work included UI/UX overhauls, localization, and support for new networks, resulting in scalable, maintainable code that reduced transaction friction and improved onboarding, while ensuring compliance and stability across web and mobile platforms.

Overall Statistics

Feature vs Bugs

76%Features

Repository Contributions

160Total
Bugs
24
Commits
160
Features
77
Lines of code
83,082
Activity Months12

Work History

October 2025

12 Commits • 5 Features

Oct 1, 2025

October 2025 performance summary focused on delivering user-centric features, improving signing UX, and strengthening reliability with localization updates across RabbyMobile and Rabby. Key outcomes include a new Rabby Points feature integrated into home and address navigation, a comprehensive Minisign/Signing UX overhaul, enhanced gas account experiences with guided flows and clearer copy, and core signing/RPC stability improvements in Rabby. These efforts drive user engagement, reduce transaction friction, and improve maintainability and scalability of the codebase.

September 2025

25 Commits • 13 Features

Sep 1, 2025

September 2025 monthly summary focusing on delivering user-centric trading improvements, robust signing experiences, and reliable bridge/multi-chain support. Key features span across Rabby and Rabby Mobile, including: (1) two-step swap workflow with Rabby Swap integration and dependency updates to support new capabilities; (2) slippage calculation improvements with memoization and auto-slippage defaults; (3) enhanced built-in signing workflow with gas selection refactor, bridge risk management, new portal host for UI elements, and direct signing support for personal messages and NFTs; (4) auto-triggered pre-execution error handling added to MiniSignTx/TransactionItem; (5) UI stability fixes, including mask closure on errors and correct chain handling for session/speedup/cancel; (6) internationalization for Gas Token and GasAccount labels; (7) bridge API upgrade with proper handling of buildBridgeTx/quote_key and status tracking; (8) OneKey account migration after signing, transaction data consolidation and nonce fixes, and improved gas checks with separate handling for gas accounts/native tokens; (9) Bridge UI polish including loading states for mini-sign and gas-related components; (10) expanded EIP7702 approvals to new chains with revocation UI. Overall, this work increases trading capabilities, reliability, and accessibility for users on desktop and mobile.

August 2025

19 Commits • 7 Features

Aug 1, 2025

Monthly summary for 2025-08 focusing on deliverables, reliability improvements, and contributions across RabbyMobile and Rabby repositories. Highlights include gas management and liquidity UX enhancements, hardened transaction processing, and expanded hardware wallet integration, all driving transaction success rates, security, and user trust.

July 2025

24 Commits • 8 Features

Jul 1, 2025

2025-07 monthly performance summary for Rabby and Rabby Mobile focusing on feature delivery, reliability improvements, and technical impact. Delivered multi-repo improvements across Rabby and Rabby Mobile, aligning open-network support, signing reliability, and UI polish with robust error handling and RPC integration.

June 2025

10 Commits • 5 Features

Jun 1, 2025

June 2025 monthly summary for RabbyHub development across Rabby and rabby-mobile. Delivered user-centric swap enhancements and reliability improvements that directly strengthen business value: improved pricing accuracy, clearer transaction history, and more stable mobile experiences, while keeping dependencies current to reduce risk and maintenance overhead. Key web features include API-based slippage suggestions with BigNumber-precision calculations for swaps, and DEX logos displayed in swap history entries. Additionally, rabby-swap library upgrades to 0.0.57/0.0.58 ensure latest fixes and network compatibility. Mobile enhancements added automatic slippage guidance, expanded gas-cost details, robustness in swap execution, and better authentication flows, complemented by stability fixes such as removing automatic input focus on mobile bridge/buy/dapp flows. These changes collectively improve swap success rates, decision confidence, and user retention while reducing support load.

May 2025

7 Commits • 6 Features

May 1, 2025

May 2025 summary focusing on Rabby and Rabby Mobile delivered targeted stability improvements, UX refinements for external DApps, and new submission workflows that reduce friction in user transactions. The month emphasized simplification of internal logic, clearer user guidance, robust error handling, and up-to-date dependencies to improve reliability and performance across platforms.

April 2025

14 Commits • 9 Features

Apr 1, 2025

April 2025 performance summary: Delivered cross-chain capabilities and UX improvements across Rabby and Rabby Mobile to accelerate user flows and expand supported ecosystems. Key outcomes include zk era-compatible multi-chain swap, automatic miniTx pre-fetching to speed transaction rendering, and a UI/UX overhaul for token selection; enhanced quote reliability with loading states and insufficient-balance handling; address-validated token search and external DApps support for unsupported chains. Mobile improvements focused on bridge/swap UX, mini sign workflow optimizations, and external DApps integration. Overall, these efforts increased chain coverage, reduced transaction friction, improved reliability, and demonstrated strong end-to-end implementation across web and mobile.

March 2025

13 Commits • 6 Features

Mar 1, 2025

March 2025 delivered a set of front-to-back improvements across Rabby web and mobile that boost reliability, UX, and business value. Notable progress includes enhanced swap capabilities with smarter token recommendations and gas estimation, a robust gas account experience enabling gasless transactions, and proactive offline-chain awareness for better user trust. Mobile enhancements added offline chain management, refined swap/bridge/buy UX, and stronger account handling with extension accounts and keyring merge tests, supported by targeted QA.

February 2025

4 Commits • 2 Features

Feb 1, 2025

February 2025 monthly performance summary for RabbyHub projects (Rabby and rabby-mobile). Focused on delivering high-impact features, stabilizing core flows, and maintaining code quality across the Rabby ecosystem. Key features delivered and enhancements: - Rabby-mobile: Upgraded swap dependency to enable new chains and improved swapping UX through @rabby-wallet/rabby-swap 0.0.47 (commit 99ac3a549b5099ce2d95d144f797623df240fa80). - Rabby-mobile: Implemented Buy Crypto feature for in-app cryptocurrency purchases, including payment-provider integration, deep linking, and user history tracking (commit 5c9aeeb7acc477e776f5cce085cb8f0ebd60125c). Major bugs fixed: - Rabby-mobile: Refactored token selection to correctly display owner accounts, handle duplicate tokens, remove unused gas components, and ensure correct gas price usage for native tokens (commit c51c00b25f0a588bad6cbb8569b9f252df5d6336). - Rabby-mobile: Code cleanup to remove a duplicate import in HistoryTokenList, improving maintainability (commit ce6e6c96832850837d640822eba69258c7ff1e0b). Overall impact and accomplishments: - Expanded chain support and enhanced swap reliability, contributing to broader market coverage and better user satisfaction for swapping on mobile. - New Buy Crypto capability opens a direct revenue/engagement channel and strengthens mobile onboarding paths. - Improved correctness and maintainability: accurate token/owner displays and cleaner codebase reduce future defect risk and simplify future feature work. Technologies and skills demonstrated: - Dependency management and release discipline with Yarn and JS/TS tooling. - React Native/mobile UI integration, deep linking, and payment-provider integration. - Code refactoring, bug diagnosis, and maintainable imports cleanup. - Commit discipline with traceable changes tied to feature flags and bug fixes.

January 2025

12 Commits • 7 Features

Jan 1, 2025

January 2025 monthly summary — Rabby web and Rabby Mobile Overview: Delivered reliability, pricing transparency, and safer cross‑platform flows. Key outcomes include robust input handling, unified fee display, Magpie DEX integration with improved gas management, slippage tuning, and security checks for scam/unverified tokens. Key features delivered and improvements: - Robust input handling: fixed NaN slider when pay amount is zero/undefined and enhanced chain mapping via a server-ID utility. - Pricing transparency: unified Rabby fee display across bridge and swap interfaces (web) and consolidated RabbyFee presentation in mobile. - Magpie DEX integration and gas management: added Magpie DEX logo/config, refined gas account deposits (disable for Gnosis Safe addresses), and improved small-swap handling for better UX. - Swap UX enhancements: tuned default slippage values and enabled automatic slippage adjustment based on token type. - Security hardening: added checks for scam/unverified tokens with redirects to sign page to prevent risky interactions. Impact and accomplishments: - Cross‑platform consistency improved, reducing edge‑case errors and user confusion. - Safer interactions and clearer pricing contributed to higher user trust and potential conversion uplift. - Core refactoring and utility improvements (chain resolution by server ID) lay groundwork for faster onboarding of new assets and networks. Technologies and skills demonstrated: - Frontend/UI refactoring, component-driven design, and UX improvements. - External DEX integration (Magpie) and token safety checks. - Data validation, error handling, and performance considerations in financial flows.

December 2024

13 Commits • 5 Features

Dec 1, 2024

Concise monthly summary for December 2024 focusing on business value and technical achievements across Rabby-Mobile and Rabby apps. Delivered major feature overhauls, reliability enhancements, and data accuracy improvements that reduce risk, improve user experience, and enable better decision-making from usage data.

November 2024

7 Commits • 4 Features

Nov 1, 2024

November 2024 monthly summary for Rabby ecosystem (RabbyMobile and Rabby repo). Delivered risk- and AML-aware controls, API integrations, and UX improvements across mobile and web to strengthen compliance, reliability, and user experience while maintaining a strong focus on business value. Key achievements and deliverables: - RabbyMobile: Risk-based token handling with AML risk-aware deposits and user-facing modal; UI tweaks and dependency updates (commit 334c24a7). - Rabby: 0x API v2 integration for DEX constants, updated transaction history, and improved DEX detection in UI (commit 28818cc7). - Rabby: Bridge v2 UI overhaul with refactored chain/token selection, enhanced bridge information, and improved slippage controls (commits 63a4dd90, 63e4cdf0, 9665563e). - Rabby: Credit score-based swap gating to redirect low-credit users to signup/verification prior to swaps (commit 6ebcd59b). - Rabby: Nonce fallback for gas account transactions to prevent errors when realNonce is unavailable (commit b0a93b087). Major bugs fixed: - Implemented nonce fallback to ensure reliable gas account transactions when realNonce is unavailable (commit b0a93b087). Overall impact and accomplishments: - Strengthened risk management and AML compliance with token handling and gating, reducing exposure to high-risk activity. - Improved data accuracy and UX for cross-chain swaps and DEX interactions through 0x API v2 integration and DEX display refinements. - Delivered a robust and user-friendly Bridge v2 experience with better feedback, control, and error handling. - Increased transaction reliability and onboarding safety with nonce fallbacks and swap gating. - Demonstrated end-to-end capabilities across mobile and web platforms, reflecting strong collaboration between RabbyMobile and Rabby repositories. Technologies and skills demonstrated: - API integration (0x API v2), on-chain data modeling, and DEX transaction tracking. - Risk assessment integration and AML controls in wallet actions. - Front-end UI/UX modernization for complex flows (bridge, swaps, token handling). - Resilient error handling and fallback strategies (nonce fallback). - Cross-repo collaboration and feature orchestration across RabbyMobile and Rabby.

Activity

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Quality Metrics

Correctness85.6%
Maintainability83.2%
Architecture78.8%
Performance76.8%
AI Usage27.4%

Skills & Technologies

Programming Languages

CSSHTMLJSONJSXJavaScriptLessN/AObjective-CSVGSwift

Technical Skills

ABI decodingAPI IntegrationAsset ManagementAsynchronous OperationsAsynchronous ProgrammingBackend DevelopmentBigNumber.jsBlockchainBlockchain DevelopmentBridge FunctionalityBrowser Extension DevelopmentCSSCode CleanupCode RefactoringComponent Architecture

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

RabbyHub/Rabby

Nov 2024 Oct 2025
12 Months active

Languages Used

JavaScriptSVGTypeScriptYAMLCSSLessHTMLN/A

Technical Skills

API IntegrationComponent DesignFront End DevelopmentFront-end DevelopmentFrontend DevelopmentReact

RabbyHub/rabby-mobile

Nov 2024 Oct 2025
12 Months active

Languages Used

JavaScriptSVGTypeScriptObjective-CSwiftXMLJSONJSX

Technical Skills

API IntegrationMobile DevelopmentReact NativeSecurityState ManagementUI/UX Design

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