CrossChainOPTellerWithMultiAssetSupport

Git Source

Inherits: CrossChainTellerBase

LayerZero implementation of CrossChainTeller

State Variables

messenger

ICrossDomainMessenger public immutable messenger;

peer

address public peer;

maxMessageGas

uint32 public maxMessageGas;

minMessageGas

uint32 public minMessageGas;

nonce

uint128 public nonce;

Functions

constructor

constructor(
    address _owner,
    address _vault,
    address _accountant,
    address _messenger
)
    CrossChainTellerBase(_owner, _vault, _accountant);

setPeer

Callable by OWNER_ROLE.

function setPeer(address _peer) external requiresAuth;

Parameters

Name	Type	Description
_peer	address	new peer to set

setGasBounds

Callable by OWNER_ROLE.

function setGasBounds(uint32 newMinMessageGas, uint32 newMaxMessageGas) external requiresAuth;

Parameters

Name	Type	Description
newMinMessageGas	uint32	the new minMessageGas bound
newMaxMessageGas	uint32	the new maxMessageGas bound

receiveBridgeMessage

Function for OP Messenger to call to receive a message and mint the shares on this chain

function receiveBridgeMessage(address receiver, uint256 shareMintAmount, bytes32 messageId) external;

Parameters

Name	Type	Description
receiver	address	to receive the shares
shareMintAmount	uint256	amount of shares to mint
messageId	bytes32

_bridge

the virtual bridge function to execute Optimism messenger sendMessage()

function _bridge(uint256 shareAmount, BridgeData calldata data) internal override returns (bytes32 messageId);

Parameters

Name	Type	Description
shareAmount	uint256
data	BridgeData	bridge data

Returns

Name	Type	Description
messageId	bytes32	messageId

_beforeBridge

before bridge hook to check gas bound and revert if someone's paying a fee

function _beforeBridge(BridgeData calldata data) internal override;

Parameters

Name	Type	Description
data	BridgeData	bridge data

_quote

the virtual function to override to get bridge fees, always zero for OP

function _quote(uint256 shareAmount, BridgeData calldata data) internal view override returns (uint256);

Parameters

Name	Type	Description
shareAmount	uint256	to send
data	BridgeData	bridge data

Errors

CrossChainOPTellerWithMultiAssetSupport_OnlyMessenger

error CrossChainOPTellerWithMultiAssetSupport_OnlyMessenger();

CrossChainOPTellerWithMultiAssetSupport_OnlyPeerAsSender

error CrossChainOPTellerWithMultiAssetSupport_OnlyPeerAsSender();

CrossChainOPTellerWithMultiAssetSupport_NoFee

error CrossChainOPTellerWithMultiAssetSupport_NoFee();

CrossChainOPTellerWithMultiAssetSupport_GasOutOfBounds

error CrossChainOPTellerWithMultiAssetSupport_GasOutOfBounds(uint32);