Reference

This section serves as the technical reference library for the Lombard SDK, providing comprehensive TypeScript type definitions, a complete events reference for monitoring SDK operations, and an exhaustive error codes catalog to help developers implement proper error handling and debugging in their integrations.

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Action lifecycle

How SDK actions are structured, executed, and managed through their complete state machine.

Fee authorization

EIP-712 signature requirements for Ethereum Mainnet operations and signature reuse patterns.

Event handling

Subscribe to action events for tracking progress, status changes, and operation completion.

Error handling

LombardError structure, error codes, validation failures, and retry patterns.

BTC deposit addresses

Generate and reuse chain-specific Bitcoin deposit addresses with signature binding.

Referral System

Track user acquisition and attribution by attaching referral codes to deposit addresses.