Initial Release of the Hyperlane Cosmos SDK Module 🚀

This module integrates the Hyperlane messaging protocol (Hyperlane Docs), enabling seamless interchain communication. It also provides full support for token bridges, secured by multi-signature Interchain Security Modules.

Key Features

• Mailbox Functionality – Send and receive messages securely across chains.
• Warp Routes (Token Bridging)
  • Collateral Tokens – Native asset bridging.
  • Synthetic Tokens – Wrapped asset representation.
  • TokenRouter – Manages token flows across chains.
  • GasRouter
• Interchain Security Modules (ISMs)
  • Merkle-Root-Multisig-ISM – Secure verification using Merkle roots.
  • MessageId-Multisig-ISM – Ensures integrity with message ID-based validation.
• Post Dispatch Hooks
  • Merkle Tree Hook – Supports Merkle-based verification for Multisig ISMs.
  • InterchainGasPaymaster – Provides gas prices for destination chains and interchain gas payments.

The module includes a comprehensive test suite and a preconfigured minimal Cosmos SDK app.