Composer

The Composer (Nexus Composer) orchestrates end-to-end trade execution without holding user funds, serving as the intelligent coordination layer for all protocol operations.

System-Wide Coordination

Core Responsibilities:

Function
Implementation
Impact

Intent Processing

Receive and validate trading requests from users

Ensures valid, executable trade parameters

Liquidity Aggregation

Query all available nodes for current pricing and depth

Enables optimal routing across multiple sources

Route Optimization

Calculate best execution path considering price, slippage, and fees

Delivers superior execution quality

PSBT Orchestration

Construct and coordinate multi-party transaction signing

Enables atomic, trustless settlement

Operational Excellence

Performance Standards:

  • Response Time: Sub-100ms intent processing for standard trading requests

  • Availability: 99.9% uptime with automatic failover and redundancy systems

  • Scalability: Support for 10,000+ concurrent users with linear infrastructure scaling

  • Security: Comprehensive monitoring and audit logging for all operations

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