> For the complete documentation index, see [llms.txt](https://docs.devoid.trade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devoid.trade/system-overview/core-modules-and-features.md).

# Core Modules and Features

**1. Market Monitoring & Trade Engine**

* Continuously tracks live price data from Solana markets.
* Updates the frontend in real-time through **Socket.IO**.
* Includes retry mechanisms to handle failed or dropped transactions.
* Responsible for triggering buy/sell actions based on configured strategies.

**2. Execution Handlers**

* Dedicated services that manage trade execution workflows.
* Includes validation layers such as Buy Validator, Sell Validator, and Transaction Verifier.
* Integrates risk checks before finalizing operations to prevent unsafe trades.

**3. Order Database Layer**

* Central repository for all order and trade records.
* Stores token details, transaction metrics, and associated risk data.
* Ensures persistence for historical tracking and analytics.

**4. Transaction Services (Buy/Sell)**

* Directly handle interaction with the Solana blockchain.
* Submit and confirm trades while managing slippage tolerance and priority fees.
* Ensure accurate updates of holdings and token states after execution.

**5. Utility & Logging Framework**

* Provides structured logging for every transaction and event.
* Captures errors, risk alerts, and execution reports for debugging and auditing.
* Supports historical reference for strategy evaluation and troubleshooting.