@lit-protocol/pkp-cosmos

PKP Cosmos

A specialized wallet implementation for the Cosmos blockchain ecosystem using Lit Protocol's PKP (Programmable Key Pair) technology. Built on top of @cosmjs/proto-signing, this package enables secure transaction signing and account management through Lit nodes.

Installation

yarn add @lit-protocol/pkp-cosmos

Quick Start

import { PKPCosmosWallet } from '@lit-protocol/pkp-cosmos';

// Initialize wallet
const wallet = new PKPCosmosWallet({
  controllerAuthSig: authSig,
  pkpPubKey: publicKey,
  addressPrefix: 'cosmos',
});

// Get wallet address
const address = await wallet.getAddress();

// Sign transaction
const signedTx = await wallet.signDirect(address, {
  bodyBytes: tx.bodyBytes,
  authInfoBytes: tx.authInfoBytes,
  chainId: chainId,
});

Key Features

• Bech32 address generation
• Account data management
• Transaction signing via LIT nodes
• SigningStargateClient integration
• Customizable RPC endpoints
• Flexible address prefix support

Core Functionality

• Address Generation: Create Cosmos blockchain addresses
• Transaction Management: Sign and prepare transactions
• Client Integration: Create SigningStargateClient instances
• Account Operations: Manage account data and balances
• Network Configuration: Customize RPC URLs and prefixes