AxelarImplementation
Introduction
This contract is used to allow Superform to send messages via Axelar.
Core Concepts
Axelar builds upon AMBImplementation
to formalize certain methods specific to the Axelar protocol.
Receiving Payloads
The implemented interface can be found in Axelar's IAxelarExecutable interface here.
execute
This function handles an interchain message sent via Axelar. Only the Hyperlane Mailbox may call this function.
name | description |
---|---|
| bytes32 unique axelar id, given per message |
| string format of the source chain of the message |
| string format of the source address sending the message. This is an AxelarImplementation contract on the source chain |
| bytes content of the message |
Retrying Payloads
As mentioned in the AMB Implementations section, messages can be retried by calling retryPayload
with a bytes relevant data. In the case of Axelar, the data is the following:
Configuration Setters
There are some bridge related configurations to be made on the contract. These configuration functions can only be set by the PROTOCOL_ADMIN.
setAxelarConfig
This function allows the ProtocolAdmin
to set the AxelarGateway on a given chain.
name | description |
---|---|
| The axelar gateway address |
setAxelarGasService
This function allows the ProtocolAdmin
to set gas estimation relevant addresses gas addresses, related with message execution and gas amount estimation.
name | description |
---|---|
| Address of Axelar gas service for payments of message execution |
| Address of Axelar gas estimator for on chain gas estimations |
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