Wallet Spark Overview

A simple and secure package to manage BIP-32 wallets for the Spark blockchain. This package provides a clean API for creating, managing, and interacting with Spark wallets using BIP-39 seed phrases, BIP-44 derivation paths, and the Spark SDK for Bitcoin layer 2 functionality including Lightning Network integration.

Features

• Spark Blockchain Support: Full integration with the Spark Bitcoin layer 2 network
• Lightning Network Integration: Create and pay Lightning Network invoices directly
• Spark Invoices: Create and pay Spark invoices for receiving sats and tokens directly on the Spark network
• Token Transfers: Transfer tokens to other Spark addresses
• Bitcoin Layer 1 Bridge: Deposit and withdraw Bitcoin between layer 1 and Spark
• Static Deposit Addresses: Reusable deposit addresses for Bitcoin layer 1 deposits
• Deposit Refunds: Refund static deposits back to Bitcoin addresses
• Withdrawal Fee Quotes: Get fee quotes before withdrawing funds
• BIP-44 Derivation Paths: Support for standard BIP-44 derivation paths with Spark-specific coin type (998)
• BIP-39 Seed Phrase Support: Generate and validate BIP-39 mnemonic seed phrases
• Multi-Account Management: Create and manage multiple accounts from a single seed phrase
• Single-Use Deposit Addresses: Generate unique deposit addresses for Bitcoin layer 1 deposits
• Fee-Free Transactions: Spark transactions are fee-free on the layer 2 network
• Transaction History: Complete transaction history with incoming/outgoing transfers
• Message Signing: Sign and verify messages using Spark identity keys
• Memory Safety: Secure private key management with automatic memory cleanup
• TypeScript Support: Full TypeScript definitions included
• Network Support: Support for Spark mainnet and regtest networks

Supported Networks

This package supports the following Spark networks:

• Spark Mainnet: Production Spark network
• Spark Regtest: Local Spark network for testing

Next Steps

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