Sui Integration Introduction

Sui is a blockchain that has been integrated with the Axelar Network via the Interchain Amplifier. This integration enables cross-chain communication between Sui and other blockchains in the Axelar ecosystem.

Sending messages between Sui and other blockchains follows similar patterns as GMP messages on other chains, such as EVM chains. The core packages for Axelar’s integration with Sui can be found in the axelar-cgp-sui repository.

The integration consists of two main components:

  1. Gateway Package - Facilitates the sending and receiving of cross-chain messages.
  2. Gas Service - Handles cross-chain gas payment for GMP requests.

In Sui, there is no ability to check the immediate caller of a message (unlike msg.sender in EVM). The Channel object serves as an identifier for who is calling and receiving messages in the Sui ecosystem.

Sending a message from Sui involves these key steps:

  1. Register your transaction with the relayer discovery service.
  2. Prepare the message via the Gateway.
  3. Pay gas via the Gas Service.
  4. Send the message via the Gateway.

Receiving a message involves:

  1. Message approval by Axelar relayers.
  2. Message execution on your Sui contract.
  • For a complete Sui GMP implementation, check out this example.
  • To interact with the example and send a GMP message, see this script.

The following sections will provide more detailed information about the implementation and usage of the Sui integration with Axelar.

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