Technical Details and Development

Mbel Finance uses Hyperlane as the foundation for its cross-chain infrastructure. This allows the protocol to deploy and connect new chains such as Etherlink, Arbitrum, and Base into its ecosystem. Hyperlane provides a permissionless and modular interoperability layer, which enables seamless messaging and token transfers across chains. This section explains how the deployment process works from configuration to registration.

Prerequisites

  • A new, custom, or pre-existing network of your choice, including the following metadata:

    • A chain name, e.g. ethereum

    • A chain ID, e.g. 1

    • A RPC URL, e.g. https://eth.llamarpc.com

  • A deployer wallet/EOA private key or seed phrase

    • This EOA should be funded on your custom chain and any chain you will be passing messages to & from

  • Hyperlane CLI

1. Registry

Let’s create a custom chain config, run:

hyperlane registry init

Follow the prompts to set up your chain metadata. Setting up block or gas properties is optional.Now, under $HOME/.hyperlane/chains you will find a new folder named with your custom chain’s name, and a file named metadata.yaml within that folder.

2. Core

Next, let’s configure, deploy and test your custom chain’s core contracts.

  1. From your local environment, set the private key or seed phrase of your funded deployer address to HYP_KEY. For example: export HYP_KEY='<YOUR_PRIVATE_KEY>'

  2. From the same terminal instance, run:

hyperlane core init

​Deploy Contracs

To deploy contracts, run:

hyperlane core deploy

Use the arrows and enter to select your custom chain from the bottom of the mainnet list. It will take a few minutes for all contracts to deploy.

Send test message

To send a test message, run:

hyperlane send message --relay

The --relay flag is optional and will deliver the message to the destination chain.You can also run a relayer in the background with

hyperlane relayer --chains yourchain,sepolia

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