CrocSwap/perps-app
Jul 2025 – Aug 2025
2 Months active
Languages Used
CSSGitJavaScriptMarkdownTypeScriptYAMLmarkdowntsx
Technical Skills
API IntegrationAsynchronous ProgrammingBlockchain IntegrationCSSCSS ModulesCustom Hooks
Douglas R. Colkitt
PROFILE
Douglas R. Colkitt
Douglas Colkitt developed and enhanced real-time trading features for the CrocSwap/perps-app repository, focusing on reliability, performance, and deployment flexibility. He architected a scalable WebSocket subsystem for live data delivery, integrated Pyth oracle feeds for risk metrics, and implemented robust order management flows, including market and limit orders with atomic replacement. Using TypeScript, React, and Solana Web3, Douglas addressed critical bugs in order processing, improved UI/UX for trading and deposit/withdrawal flows, and streamlined transaction post-processing. His work demonstrated depth in asynchronous programming, state management, and SDK integration, resulting in a more stable, configurable, and performant decentralized trading application.
Overall Statistics
Feature vs Bugs
58%Features
Repository Contributions
113Total
Bugs
24
Commits
113
Features
33
Lines of code
19,553
Activity Months2
Your Network
11 people
Work History
August 2025
54 Commits • 19 Features
Aug 1, 2025August 2025 CrocSwap/perps-app – concise monthly summary focusing on delivered business value, reliability, and technical achievements. Key features delivered: - SDK Version Updates: Bumped Ember SDK and core SDK across the codebase to align with latest releases, ensuring compatibility with updated withdrawal/deposit flows and improved stability. - Endpoints & RPC Environment: Added default WebSocket endpoint (embindexer backend) and optional RPC environment variable support to simplify deployment and runtime configuration. - Limit Order Submission: Wired up the limit order submission flow and introduced enhancements around the chart replace order flow and atomic handling for buy orders. - Data sources and configurability: Integrated configurable HL endpoints via environment variables and set a default market data backend to standardize data sourcing; updated PNPM lock for consistency. - Pyth oracle integration and watchlist: Incorporated Pyth as an oracle feed and enabled HL oracle switch in debug panel; enabled Pyth-based watchlist data. - Performance improvements: Introduced pre-cached market order log page to reduce latency on hot paths; streamlined transaction post-processing. - UI/UX and stability improvements: Added maximum size constraint to order entry; fixed watchlist clickability; improved sleep mode behavior and logging for better observability. Major bugs fixed: - Order processing and execution: Corrected sell-orders built as buys, adjusted market order behavior to execute within the same transaction, fixed market order sizing, and ensured subscription updates reflect in real-time; addressed deduplication and fill sizing issues. - Open orders and history: Fixed handling of in-situ updates, removal from open orders table, and size field in order history; corrected default sorting in trade history; resolved filter logic in fill table rendering. - Connectivity and stability: Stabilized sleep mode timing and removed unneeded debug logging; corrected wallet/deposit transaction builder changes caused by SDK changes. - UI and interaction bugs: Fixed adjust modal issues and watchlist clickability issues; ensured limit order UI respects maximum size constraints. Overall impact and accomplishments: - Increased trading reliability and correctness, reducing operational risk in order construction, fill processing, and subscription updates. - Improved trading performance by reducing latency in market data delivery and order history rendering; faster time-to-first-trade in volatile conditions. - Strengthened deployment flexibility and safety through environment-configurable endpoints, SDK updates, and dependency lockfile maintenance. - Enhanced observability and risk visibility with real-time PnL/ROE calculations tied to live mark prices and improved liquidation displays. Technologies and skills demonstrated: - Ember SDK and core SDK upgrades; handling breaking changes in withdrawal/deposit flows. - WebSocket endpoints and optional RPC environment variable support; runtime configurability via environment variables. - Data integrity techniques: idempotent de-duplication for fills, fixed race conditions, and deduplicated order state updates. - Performance optimization: pre-cached assets for hot paths; streamlined transaction post-processing. - Oracle integration: Pyth oracle feed integration for watchlist and risk metrics; HL endpoint configurability. - Tooling and CI hygiene: PNPM lock updates and code cleanup (log removal, debug constants).
54 Commits • 19 Features
Aug 1, 2025August 2025 CrocSwap/perps-app – concise monthly summary focusing on delivered business value, reliability, and technical achievements. Key features delivered: - SDK Version Updates: Bumped Ember SDK and core SDK across the codebase to align with latest releases, ensuring compatibility with updated withdrawal/deposit flows and improved stability. - Endpoints & RPC Environment: Added default WebSocket endpoint (embindexer backend) and optional RPC environment variable support to simplify deployment and runtime configuration. - Limit Order Submission: Wired up the limit order submission flow and introduced enhancements around the chart replace order flow and atomic handling for buy orders. - Data sources and configurability: Integrated configurable HL endpoints via environment variables and set a default market data backend to standardize data sourcing; updated PNPM lock for consistency. - Pyth oracle integration and watchlist: Incorporated Pyth as an oracle feed and enabled HL oracle switch in debug panel; enabled Pyth-based watchlist data. - Performance improvements: Introduced pre-cached market order log page to reduce latency on hot paths; streamlined transaction post-processing. - UI/UX and stability improvements: Added maximum size constraint to order entry; fixed watchlist clickability; improved sleep mode behavior and logging for better observability. Major bugs fixed: - Order processing and execution: Corrected sell-orders built as buys, adjusted market order behavior to execute within the same transaction, fixed market order sizing, and ensured subscription updates reflect in real-time; addressed deduplication and fill sizing issues. - Open orders and history: Fixed handling of in-situ updates, removal from open orders table, and size field in order history; corrected default sorting in trade history; resolved filter logic in fill table rendering. - Connectivity and stability: Stabilized sleep mode timing and removed unneeded debug logging; corrected wallet/deposit transaction builder changes caused by SDK changes. - UI and interaction bugs: Fixed adjust modal issues and watchlist clickability issues; ensured limit order UI respects maximum size constraints. Overall impact and accomplishments: - Increased trading reliability and correctness, reducing operational risk in order construction, fill processing, and subscription updates. - Improved trading performance by reducing latency in market data delivery and order history rendering; faster time-to-first-trade in volatile conditions. - Strengthened deployment flexibility and safety through environment-configurable endpoints, SDK updates, and dependency lockfile maintenance. - Enhanced observability and risk visibility with real-time PnL/ROE calculations tied to live mark prices and improved liquidation displays. Technologies and skills demonstrated: - Ember SDK and core SDK upgrades; handling breaking changes in withdrawal/deposit flows. - WebSocket endpoints and optional RPC environment variable support; runtime configurability via environment variables. - Data integrity techniques: idempotent de-duplication for fills, fixed race conditions, and deduplicated order state updates. - Performance optimization: pre-cached assets for hot paths; streamlined transaction post-processing. - Oracle integration: Pyth oracle feed integration for watchlist and risk metrics; HL endpoint configurability. - Tooling and CI hygiene: PNPM lock updates and code cleanup (log removal, debug constants).
August 2025
July 2025
59 Commits • 14 Features
Jul 1, 2025July 2025 (CrocSwap/perps-app) delivered a robust suite of real-time and user-facing enhancements with a strong focus on reliability, performance, and developer experience. Key progress includes a scalable WebSocket subsystem with cross-endpoint subscriptions and performance tuning, significant trading UI improvements with market orders, and foundational deposit/withdraw flows. SDK and ambient-ember updates improve compatibility and future readiness. Additional stability fixes and UI/data handling enhancements reduced error-prone paths and improved data accuracy for balances and orders.
July 2025
59 Commits • 14 Features
Jul 1, 2025July 2025 (CrocSwap/perps-app) delivered a robust suite of real-time and user-facing enhancements with a strong focus on reliability, performance, and developer experience. Key progress includes a scalable WebSocket subsystem with cross-endpoint subscriptions and performance tuning, significant trading UI improvements with market orders, and foundational deposit/withdraw flows. SDK and ambient-ember updates improve compatibility and future readiness. Additional stability fixes and UI/data handling enhancements reduced error-prone paths and improved data accuracy for balances and orders.
Activity
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Quality Metrics
Correctness87.8%
Maintainability86.2%
Architecture84.0%
Performance82.0%
AI Usage23.6%
Skills & Technologies
Programming Languages
CSSGitJavaScriptMarkdownTypeScriptYAMLmarkdowntsxyaml
Technical Skills
AI Agent InteractionAPI IntegrationAsynchronous ProgrammingBlockchain IntegrationCSSCSS ModulesConfiguration ManagementCustom HooksData FetchingData ProcessingDeFiDebuggingDebugging ToolsDependency ManagementDocumentation
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