@lombard.finance/sdk-common

Lombard SDK

The official SDK for integrating with Lombard Finance - Bitcoin liquid staking.

Packages

Package	Description	npm
@lombard.finance/sdk	Core SDK for BTC/EVM operations
@lombard.finance/sdk-common	Shared utilities and types
@lombard.finance/sdk-solana	Solana integration
@lombard.finance/sdk-sui	Sui integration
@lombard.finance/sdk-starknet	Starknet integration
@lombard.finance/sdk-devtools	Developer tools

Quick Start

npm install @lombard.finance/sdk

import { createLombardSDK, Chain, AssetId } from '@lombard.finance/sdk';

// Initialize the SDK
const sdk = await createLombardSDK({
  env: 'prod',
  providers: {
    evm: () => window.ethereum,
    bitcoin: () => window.btc,
  },
});

// Create a BTC Stake action
const stake = sdk.chain.btc.stake({
  assetOut: AssetId.LBTC,
  destChain: Chain.ETHEREUM,
});

// Execute the staking flow
await stake.prepare({ amount: '0.001', recipient: '0x...' });
await stake.authorize();
await stake.generateDepositAddress();

console.log('Deposit BTC to:', stake.depositAddress);

Documentation

• Full Documentation
• SDK Playground
• API Reference

Development

# Install dependencies
yarn install

# Build all packages
yarn build

# Run tests
yarn test

# Lint
yarn lint

Contributing

See CONTRIBUTING.md for guidelines.

Security

See SECURITY.md for reporting vulnerabilities.

License

MIT - see LICENSE

Third-Party License Notes

This repository is MIT-licensed, but includes dependencies with additional terms.

• LayerZero integration packages (@layerzerolabs/*) currently use BUSL-1.1.
• Some development tooling paths currently pull MetaMask SDK packages with non-commercial terms.

See Third-Party License Notice and license policy for the current allowlist and approved exceptions.