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Dong-Ha Kim

PROFILE

Dong-ha Kim

Dongha Kim engineered robust cross-chain trading and bridging features for the across-protocol/frontend repository, focusing on reliability, observability, and seamless asset support. He implemented universal swap frameworks, enhanced price data integrations, and streamlined deployment automation, using TypeScript, Solidity, and React. His work included integrating new networks like HyperCore and Plasma, refining token recognition, and improving gas estimation and error handling. By leveraging OpenTelemetry for distributed tracing and optimizing API responses, Dongha ensured data accuracy and operational transparency. His technical depth is evident in the careful handling of edge cases, rigorous end-to-end testing, and continuous improvements to cross-chain infrastructure.

Overall Statistics

Feature vs Bugs

63%Features

Repository Contributions

182Total
Bugs
49
Commits
182
Features
83
Lines of code
113,367.5
Activity Months13

Work History

October 2025

10 Commits • 4 Features

Oct 1, 2025

Month: 2025-10 | Across-protocol/frontend delivered key platform foundations enabling cross-chain token support, enhanced observability, and data reliability, with sustained improvements in swap reliability and testing. The work emphasizes business value through expanded token UX, improved price accuracy, and robust operational telemetry.

September 2025

37 Commits • 19 Features

Sep 1, 2025

September 2025 monthly summary focusing on delivering business value and strengthening platform reliability across across-protocol/frontend, constants, contracts, and sdk. Highlights include price data integrations, performance optimizations, cross-chain bridge readiness with HyperEVM, and enhanced testing/CI stability. The month delivered a mix of user-facing capabilities, reliability improvements, and architectural groundwork enabling future expansions.

August 2025

33 Commits • 11 Features

Aug 1, 2025

Month: 2025-08 Overview: Delivered high-impact features and reliability improvements across frontend, contracts, and SDK, driving trading robustness, deployment efficiency, and pricing data accuracy. Focused on real-user business value: improved swap reliability and configurability, expanded routing options, streamlined deployment, and robust price lookups.

July 2025

17 Commits • 5 Features

Jul 1, 2025

July 2025 monthly summary focusing on reliability, observability, and data-rich swap experiences across the Across Protocol frontend and SDK. Delivered end-to-end improvements that increase cross-chain swap reliability, reduce debugging time, and provide richer, more actionable swap data for product and business decisions. Key outcomes include more stable cross-chain routing, enhanced observability with OpenTelemetry, enriched swap quote responses with provider/source details, configurable quote fetch strategies, and robust gas pricing/estimation. These changes collectively reduce swap failures, shorten incident response, and enable data-driven pricing and routing improvements across chains.

June 2025

11 Commits • 5 Features

Jun 1, 2025

June 2025 performance summary for across-protocol repos focusing on reliability, cross-chain readiness, and expanded asset coverage. Key frontend improvements include environment-scoped cache namespaces to prevent cross-environment collisions, Cross-chain swaps infrastructure upgrades aligning with new SpokePoolPeriphery contracts, and enabling USDC-BNB for Hyperliquid. Price and configuration reliability were enhanced with SOL base currency support in CoinGecko integration and a hardened price/simulation pipeline that handles SOL/EVM addresses and missing token decimals in simulations. Remote config robustness was improved by correctly merging fixed and dynamic weights across relayers, and contract-address detection was refined with an ignore7702 flag to reduce false non-contract classifications. Additional frontend gains include CLI-based swap test scripting for parameterized flows and CODEOWNERS updates to speed reviews. On the relayer side, an ERC20 allowance handling fix resolves a TypeError during L1 withdrawals by ensuring allowance data is present in MinimalERC20 JSON. Overall these changes reduce error rates, broaden asset support, and accelerate safe releases while improving cross-repo collaboration and deployment stability.

May 2025

15 Commits • 9 Features

May 1, 2025

May 2025 performance summary: Across Protocol advanced cross-chain capabilities, expanded BSC and Lens chain integration, improved token recognition, and increased UI reliability, contributing to stronger liquidity access and reduced user friction across chains. Highlights include adding WETH symbol mapping on BSC, enabling USDC on Lens chain, completing BSC network integration (BNB/CAKE tokens, USDC/USDT variants) with improved decimal handling, refining balance sorting across decimals for more reliable chain selection, and extending USDC variants routing to GHO. In addition, targeted bug fixes and validation updates improved deposit accuracy, fee estimation, and capital cost configuration, helping reduce user errors and improve maintainers' confidence.

April 2025

9 Commits • 1 Features

Apr 1, 2025

Concise monthly summary for 2025-04 focusing on Across Protocol frontend work. Key outcomes include Lens-integrated universal cross-chain swap framework with Lens support, universal swap routes, and GHO/WGHO configurations, plus enhanced route logic and new swap strategies enabling Lens-based cross-chain swaps and frontend universal route support. Notable deliverables include re-generating USDC→GHO swap routes, improved swap quote error handling, and the ability to fetch universal swap quotes when not connected. API surface expanded with outputAmount and allowUnmatchedDecimals. UI/UX improvements include pool symbol display prioritization in Liquidity Pool UI (EarnByStakingInfoBox and PoolSelector). Major bug fixes addressed pool symbol display and default route disconnected state. These efforts collectively advance cross-chain trading capabilities, reliability of swap routing, and user experience, while enhancing frontend architecture and API design.

March 2025

9 Commits • 6 Features

Mar 1, 2025

March 2025 highlights across Across Protocol projects: Key features delivered: - Relayer weight bug fix: default to zero address when no valid relayers exist, preventing errors in weighted random selection. - Custom RPC URL handling improvements: introduces a new environment variable namespace for overriding RPC URLs and updates provider resolution to prefer these custom URLs, ensuring the dApp uses specified public endpoints. - Comprehensive cross-chain swapping and quote enhancements: adds an approval swap flow with support for DEXs (1inch, Uniswap V3, Universal Router), enables exact-input cross-swap quotes, and introduces Uniswap quotes via SDK as an alternative source. - Modular relayer address management for per-chain/token configurations: refactors relayer address handling into a dedicated module to support per-chain and per-token configurations for default, full, and transfer-restricted relayers. - Observability upgrade: logging for suggested fees: raises log level from debug to info and stringifies the JSON payload for readable logs. Impact and capabilities: - System reliability improved, with safer relayer selection and more deterministic routing. - Expanded cross-chain coverage and configurable endpoints, reducing operational risk. - Enhanced observability enabling faster issue diagnosis. Technologies demonstrated: - Cross-chain swap orchestration with DEX integrations; exact-input quotes; SDK-based quote retrieval. - Environment-driven configuration and modular relayer architecture. - Improved logging/observability; Solana network and GHO gas token integration in separate modules.

February 2025

21 Commits • 11 Features

Feb 1, 2025

February 2025 monthly summary focusing on cross-chain expansion, reliability, and performance improvements across across-protocol repos. Delivered new cross-chain adapters and deployment readiness for the Doctor Who network, enabled Unichain Sepolia/testnet deployments, and upgraded release/CI processes for stable publishing. Strengthened routing UX for USDC bridging, completed Spoke Pool depositV3 upgrade, and introduced API changes with backward compatibility to optimize costs and reliability. Improved error handling and deposit safety, and completed rebranding efforts to align Doctor Who with Unichain branding.

January 2025

12 Commits • 8 Features

Jan 1, 2025

January 2025 — Delivered critical reliability, cross-chain support, and developer experience improvements across frontend and SDK. Key items include exposing fillDeadline API and aligning UI with server deadline, keeping /swap endpoints hot to improve swap reliability, upgrading the frontend data layer with React Query v5 and integrating Wagmi/Viem for multi-chain workflows, implementing cross-chain native token detection for bridging, and adding Lens testnet support with generic gas token handling in the SDK. These changes reduce client complexity, improve transaction success rates, enable rapid onboarding of new chains, and strengthen debugging and maintainability through better error handling and automated dependency management.

December 2024

2 Commits • 1 Features

Dec 1, 2024

December 2024 (across-protocol/frontend): Reliability and UX improvements for staking-related flows. Delivered two key changes: 1) Cron Scheduler Stability Fix to ensure cron ping endpoints reliably run scheduled tasks, preserving uptime for background processes; and 2) Network Switching in Staking and Rewards, adding a 'Switch network' button to guide users to the correct network and reduce errors. These changes improve uptime, reduce support load, and enhance user experience in core staking/rewards workflows. Commits: 5a71a7a63c3e08a10ac128307d5d83989e67cfd9 (#1300) and a70e62c9053ebb997aa23def09bf56657a7d7644 (#1303).

November 2024

5 Commits • 3 Features

Nov 1, 2024

November 2024 performance summary: Delivered reliability, UX improvements, and platform stability across two repos (across-protocol/relayer and across-protocol/frontend). Key features and stability work focused on standardized error reporting, proactive endpoint health, and non-blocking UX signals, while bug fixes addressed caching correctness and validation behavior to reduce user impact and operational risk. The work contributed to higher API availability, clearer error visibility, and smoother user experiences in high-velocity product areas.

October 2024

1 Commits

Oct 1, 2024

October 2024 monthly summary focused on targeted maintenance and cleanup in the across-protocol/frontend repository, delivering a deprecation cleanup for BOBA route configurations. The primary change disabled BOBA-related routes by clearing the pools array in enabledRoutes, aligning with the deprecation plan and reducing surface area for misconfigurations.

Activity

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Quality Metrics

Correctness87.8%
Maintainability85.6%
Architecture82.8%
Performance80.2%
AI Usage27.2%

Skills & Technologies

Programming Languages

CSSJSONJavaScriptSVGSolidityTypeScriptYAMLyaml

Technical Skills

1inch SDKAPI DevelopmentAPI DocumentationAPI InstrumentationAPI IntegrationAPI TestingAPI developmentAPI integrationAsynchronous ProgrammingBackend DevelopmentBlockchainBlockchain DeploymentBlockchain DevelopmentBlockchain IntegrationBlockchain testing

Repositories Contributed To

5 repos

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

across-protocol/frontend

Oct 2024 Oct 2025
13 Months active

Languages Used

TypeScriptCSSJavaScriptJSONYAMLSVGSolidityyaml

Technical Skills

Configuration ManagementFrontend DevelopmentAPI DevelopmentAPI IntegrationBackend DevelopmentCaching

across-protocol/sdk

Jan 2025 Sep 2025
6 Months active

Languages Used

TypeScript

Technical Skills

Blockchain DevelopmentFull Stack DevelopmentSmart ContractsTypeScriptAPI IntegrationBackend Development

across-protocol/contracts

Feb 2025 Sep 2025
3 Months active

Languages Used

SolidityTypeScriptYAML

Technical Skills

Blockchain DeploymentCI/CDCross-chain DevelopmentDeFiEthers.jsGitHub Actions

across-protocol/constants

Feb 2025 Sep 2025
4 Months active

Languages Used

TypeScript

Technical Skills

Constants ManagementNetwork ConfigurationBlockchain IntegrationBlockchain DevelopmentSmart ContractsBackend Development

across-protocol/relayer

Nov 2024 Jun 2025
3 Months active

Languages Used

TypeScriptSolidity

Technical Skills

Backend DevelopmentError HandlingLoggingCross-Chain BridgesEVMSmart Contract Development

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