MessageServiceBase

messageService

contract IMessageService messageService

The message service address on the current chain.

remoteSender

address remoteSender

The token bridge on the alternate/remote chain.

RemoteSenderSet

event RemoteSenderSet(address remoteSender, address setter)

Event emitted when the remote sender is set.

Parameters

Name	Type	Description
remoteSender	address	The address of the new remote sender.
setter	address	The address of the account that set the remote sender.

CallerIsNotMessageService

error CallerIsNotMessageService()

Thrown when the caller address is not the message service address

SenderNotAuthorized

error SenderNotAuthorized()

Thrown when remote sender address is not authorized.

onlyMessagingService

modifier onlyMessagingService()

_Modifier to make sure the caller is the known message service.

Requirements:

• The msg.sender must be the message service._

onlyAuthorizedRemoteSender

modifier onlyAuthorizedRemoteSender()

_Modifier to make sure the original sender is allowed.

Requirements:

• The original message sender via the message service must be a known sender._

__MessageServiceBase_init

function __MessageServiceBase_init(address _messageService) internal

Initializes the message service

Must be initialized in the initialize function of the main contract or constructor.

Parameters

Name	Type	Description
_messageService	address	The message service address, cannot be empty.

_setRemoteSender

function _setRemoteSender(address _remoteSender) internal

Sets the remote sender

This function sets the remote sender address and emits the RemoteSenderSet event.

Parameters

Name	Type	Description
_remoteSender	address	The authorized remote sender address, cannot be empty.