Add Market Component with Listing Management

[codebestia]

📋 Summary

This PR introduces a comprehensive market component system for the Trajectfi Starknet project, enabling NFT listing and management functionality. The changes establish the foundation for a decentralized marketplace where users can list their NFTs for lending.

🚀 Key Changes

New Components Added

• Market Component (src/components/market.cairo): Core marketplace functionality with listing management
• Market Interface (src/interfaces/imarket.cairo): Defines the contract interface for market operations

Data Structures

• Listing Struct (src/types.cairo): Comprehensive data structure for marketplace listings including:
  • NFT contract and token ID
  • Token contract and amount details
  • Borrow/repayment amounts for lending
  • Loan duration and status tracking
  • Timestamp management

Core Functionality

• Listing Management: Create, close, and query listings
• Flexible Listing Types: Support for both direct sales and lending scenarios
• Query Capabilities: Filter listings by NFT contract or token contract
• Status Tracking: Track listing status (OPEN, CLOSED, etc.)

🔧 Technical Implementation

Market Component Features

• Storage Management: Efficient storage using Starknet's Map structure
• Counter System: Automatic listing ID generation
• Interface Compliance: Implements IMarket trait for standardized operations

Listing Operations

• create_listing(): Create new marketplace listings
• close_listing(): Close existing listings
• get_listing(): Retrieve specific listing details
• get_listings(): Get all listings
• get_listings_by_nft(): Filter by NFT contract
• get_listings_by_token(): Filter by token contract

�� Files Changed

Added

• src/components/market.cairo - Main market component implementation
• src/interfaces/imarket.cairo - Market interface definition

Modified

• src/types.cairo - Added Listing struct and ListingStatus enum
• src/lib.cairo - Updated module declarations
• src/trajectfi.cairo - Integrated market component

Removed

• src/components/signing.cairo - Replaced with market functionality

Type: Feature
Breaking Changes: Yes (replaced signing component)