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+# Application Entry Point
+
+The `app.ts` file serves as the main entry point for the PDR WebSocket server application. It initializes the Express server, sets up Socket.IO, and configures various middleware and routes.
+
+## Overview
+
+This application provides a WebSocket server for real-time prediction data distribution, with REST API endpoints for additional functionality. It uses Express.js for HTTP handling and Socket.IO for WebSocket communications.
+
+## Core Components
+
+### Environment Setup
+- Uses `dotenv` for environment-specific configuration
+- Loads environment variables from `.env.{NODE_ENV}` file
+- Enables development-specific logging when in development mode
+
+### Server Initialization
+- Creates an Express application instance
+- Sets up HTTP server using Node's `http` module
+- Configures Socket.IO on the HTTP server
+- Implements CORS protection
+
+### Middleware Configuration
+- JSON parsing middleware
+- CORS checking middleware
+- Error handling middleware
+- API routing middleware
+
+### Server Features
+
+#### WebSocket Support
+- Initializes Socket.IO server
+- Configures WebSocket event handlers
+- Manages real-time data distribution
+
+#### REST API
+- Implements API routes under `/api/v1` endpoint
+- Handles JSON request bodies
+- Provides error handling for API endpoints
+
+#### Development Tools
+- Conditional logging stream in development environment
+- Error handling middleware for debugging
+- Environment-specific configurations
+
+## Configuration
+
+### Environment Variables
+- `NODE_ENV`: Determines environment configuration
+- `PORT`: Server port number (defaults to 3000)
+- Additional environment-specific variables
+
+### Server Settings
+- Default port: 3000
+- API base path: `/api/v1`
+- CORS configuration for security
+
+## Usage
+
+### Starting the Server
+1. Environment configuration is loaded
+2. Express app is initialized
+3. Middleware is configured
+4. Socket.IO server is started
+5. HTTP server begins listening on configured port
+
+### API Access
+- REST endpoints available at `/api/v1/*`
+- WebSocket connections handled through Socket.IO
+- CORS rules apply to all connections
+
+## Dependencies
+
+### Primary
+- Express.js for HTTP server
+- Socket.IO for WebSocket support
+- dotenv for configuration
+
+### Middleware
+- express.json() for request parsing
+- Custom CORS checking
+- Custom error handling
+
+## Development Notes
+
+- Development environment enables additional logging
+- Error handling is configured globally
+- Server provides feedback on successful startup
+- All WebSocket functionality is managed through Socket.IO
diff --git a/READMEs/authorizationData.ts.md b/READMEs/authorizationData.ts.md
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+# Authorization Data Manager
+
+The `AuthorizationData` class manages authorization data with automatic expiration handling and renewal capabilities. This class is designed to work with any authorization data type that extends the `BaseAuthData` interface.
+
+## Interfaces and Types
+
+### BaseAuthData
+An interface that defines the basic structure for authorization data. It requires a `validUntil` property of type number, which represents the timestamp when the authorization expires.
+
+### TAuthorizationData
+A type definition that specifies the structure for initializing the AuthorizationData class. It includes:
+- `initialData`: The starting authorization data
+- `createCallback`: A function that returns a Promise resolving to new authorization data
+
+## Class: AuthorizationData<T>
+
+A generic class that handles authorization data lifecycle, including automatic renewal and expiration checks.
+
+### Properties
+
+- `validUntil`: Private property storing the expiration timestamp
+- `authorizationData`: Private property storing the current authorization data
+- `createCallback`: Private property storing the function to generate new authorization data
+
+### Constructor
+
+The constructor takes an object conforming to the TAuthorizationData type, containing initial authorization data and a callback function for creating new authorization data.
+
+### Methods
+
+#### isValid()
+- Checks if the current authorization data is still valid
+- Returns a boolean indicating validity status
+- Compares current time with expiration time using 100ms units
+
+#### isCloseToExpire()
+- Determines if the authorization is approaching expiration
+- Returns a boolean indicating if within 5 minutes of expiration
+- Uses Unix timestamp (seconds) for comparison
+
+#### createNew()
+- Generates new authorization data using the callback
+- Asynchronously updates internal state
+- Updates both the authorization data and expiration time
+
+#### getAuthorizationData()
+- Retrieves current authorization data
+- Automatically initiates renewal if close to expiration
+- Returns the current authorization data object
+
+## Implementation Details
+
+### Time Handling
+- Uses Unix timestamps (seconds) for expiration times
+- Includes a 5-minute safety buffer for validity checks
+- Standardizes time unit comparisons
+
+### Automatic Renewal
+- Transparently renews authorization when approaching expiration
+- Uses non-blocking Promise-based callbacks
+- Maintains continuous authorization coverage
+
+### Type Safety
+- Implements generic typing for flexibility
+- Enforces BaseAuthData interface requirements
+- Provides type-safe access to authorization properties
+
+## Best Practices
+
+### Callback Implementation
+- Create idempotent callbacks
+- Include comprehensive error handling
+- Implement appropriate retry logic
+
+### Expiration Management
+- Set appropriate expiration timeframes
+- Account for network latency
+- Utilize the 5-minute buffer effectively
+
+### Error Handling
+- Monitor callback execution
+- Handle renewal failures gracefully
+- Implement fallback mechanisms
+
+## Notes
+
+- Designed for single-instance authorization management
+- Automatic renewal triggers within 5-minute expiration buffer
+- Uses standard Unix timestamps for all time-based operations
+- Thread-safe for basic operations
+- Supports various authorization data types through generic implementation
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diff --git a/READMEs/dataholder.ts.md b/READMEs/dataholder.ts.md
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+## dataHolder.ts
+
+The `dataHolder.ts` file manages the storage and retrieval of market data received from the PDR WebSocket. Key components include:
+
+### DataHolder Class
+A generic class that manages data storage and retrieval with the following features:
+
+#### Properties
+- `data`: Private object storing arrays of generic type T indexed by string keys
+- `theFixedMessage`: Public property of generic type U (extends Record<string,unknown>)
+
+#### Methods
+- `setContract(key: string, value: Array<T>)`: Sets data array for a contract key
+- `getContract(key: string)`: Gets data array for a contract key
+- `setItemToContract(key: string, item: T)`: Adds item to a contract's data array
+- `clearContract(key: string)`: Clears data array for a contract key
+- `getItemFromContractByItemKeyValue(key, itemKey, itemValue)`: Finds item in contract data by key-value pair
+- `removeItemFromContractByItemKeyValue(key, itemKey, itemValues)`: Removes items from contract data by key-value pairs
+
+### Usage
+The DataHolder class is used to store prediction values and contract data received from the WebSocket provider. It provides thread-safe data storage and retrieval methods for managing real-time market data.
+
+### Key Features
+- Generic typing for flexible data storage
+- Contract-based data organization
+- Thread-safe operations
+- Efficient data lookup and filtering
+- Support for fixed messages per epoch emitter
diff --git a/READMEs/newSubscriberListener.ts.md b/READMEs/newSubscriberListener.ts.md
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+## newSubscriberListener.ts Overview
+
+The `newSubscriberListener.ts` file is responsible for handling new subscriber connections to the PDR WebSocket. It includes:
+
+### newSubscriberListener Function
+- Handles incoming connections
+- Emits new epoch data to the client
+- Handles client disconnections
diff --git a/READMEs/providerListener.ts.md b/READMEs/providerListener.ts.md
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+# Provider Listener
+
+The Provider Listener is a core component that manages blockchain event listening and subscription management for prediction contracts. It handles real-time data updates and authorization management for the WebSocket server.
+
+## Overview
+
+The provider listener initializes and maintains connections to prediction contracts, manages subscriptions, and broadcasts updates to connected clients through Socket.IO.
+
+## Main Components
+
+### Types
+
+#### TProviderListenerArgs
+Configuration object for initializing the provider listener:
+- `io`: Socket.IO server instance
+- `contractAddresses`: Array of prediction contract addresses to monitor
+- `epochEmitterName`: Enum value specifying the type of epoch events to emit
+
+#### TProviderListenerEmitData
+Structure of data emitted to clients:
+- Array of objects containing:
+  - `predictions`: Array of prediction results with epochs and contract addresses
+  - `contractInfo`: Associated prediction contract information
+
+### Core Functionality
+
+#### Initialization
+- Sets up network provider connection
+- Retrieves interesting prediction contracts
+- Initializes authorization
+- Sets up contract instances
+- Creates data holders for subscribed predictoors
+
+#### Block Monitoring
+- Listens to new blocks on the blockchain
+- Calculates current epochs
+- Manages subscription renewals
+- Fetches and processes prediction values
+- Broadcasts updates to connected clients
+
+### Key Features
+
+#### Subscription Management
+- Automatically renews expiring subscriptions
+- Tracks active subscription transactions
+- Prevents duplicate subscription attempts
+- Maintains subscription state across block updates
+
+#### Data Processing
+- Calculates prediction epochs
+- Aggregates prediction values
+- Clears outdated prediction data
+- Updates data holders with new information
+
+#### Event Broadcasting
+- Emits 'newEpoch' events with updated predictions
+- Maintains fixed messages for each epoch
+- Provides contract information with predictions
+
+## Technical Details
+
+### State Management
+- Tracks latest processed epoch
+- Maintains list of started transactions
+- Manages subscribed predictoor contracts
+
+### Time Handling
+- Uses block timestamps for epoch calculations
+- Implements delay for prediction fetching
+- Handles seconds-per-epoch timing
+
+### Error Prevention
+- Prevents duplicate subscription transactions
+- Validates subscription expiration
+- Manages transaction state cleanup
+
+## Usage Notes
+
+- Requires proper initialization of network provider
+- Depends on valid contract addresses
+- Needs Socket.IO server instance
+- Requires proper authorization setup
+- Must be configured with correct epoch emitter name
+
+## Dependencies
+
+- Socket.IO for real-time communication
+- Ethereum provider for blockchain interaction
+- Authorization system for secure data access
+- Data holders for state management
+- Contract interfaces for blockchain interaction