Smart Contract Event Listener Service

[NengakDakup]

Description:
Build a service that listens to relevant events emitted by the Starknet smart contracts (e.g., sale initiated, escrow locked).

Acceptance Criteria:

• Connects to Starknet node and subscribes to contract events
• On event, parses event data and triggers trade processing workflow
• Handles reconnection and error scenarios

Subtasks:

• Connect to Starknet node
• Subscribe to relevant contract events
• Parse and validate event data
• Trigger trade matching workflow
• Implement error handling and reconnection logic