TON Better Auth Integration

Integrate TON Connect wallet authentication into Better Auth projects using the ton-better-auth package. This package provides a complete server plugin for verifying ton_proof payloads and a matching client plugin for typed helpers.

Package Overview

ton-better-auth is a Better Auth plugin that adds "Sign in with TON Connect" using the official ton_proof protocol. It handles:

• Server-side verification of ton_proof payloads
• Replayable nonce challenges stored in the verification table
• Signature verification with Ed25519
• Wallet state-init parsing (v1 through v5)
• On-chain get_public_key fallback for non-standard wallets
• Session creation and user management via Better Auth
• Multi-wallet linking per user

Installation