// Verify the validity of the transaction according to the header, receipt
// The interface will be updated later to return logs
function verifyProofData(bytes memory _receiptProof) external view returns (bool success, string memory message, bytes memory logs);
function updateBlockHeader(bytes memory _blockHeader) external;
function updateLightClient(bytes memory _data) external;
enum MessageType {
CALLDATA,
MESSAGE
}
// @notice This is the configuration you need across the chain.
// @param relay - When it is true, the relay chain is required to perform a special execution to continue across the chain.
// @param msgType - Different execution patterns of messages across chains.
// @param target - The contract address of the target chain.
// @param payload - Cross-chain content.
// @param gasLimit - The gasLimit allowed to be consumed by an operation performed on the target chain.
// @param value - Collateral value cross-chain, currently not supported, default is 0.
struct MessageData {
bool relay;
MessageType msgType;
bytes target;
bytes payload;
uint256 gasLimit;
uint256 value;
}
// @notice Gets the fee to cross to the target chain.
// @param toChain - Target chain chainID.
// @param feeToken - Token address that supports payment fee,if it's native, it's address(0).
// @param gasLimit - The gasLimit allowed to be consumed by an operation performed on the target chain.
function getMessageFee(uint256 toChain, address feeToken, uint256 gasLimit) external view returns(uint256, address);
// @notice Initiate cross-chain transactions. Generate cross-chain logs.
// @param toChain - Target chain chainID.
// @param messageData - Structure MessageData encoding.
// @param feeToken - In what Token would you like to pay the fee.
function transferOut(uint256 toChain, bytes memory messageData, address feeToken) external payable returns(bytes32);
// @notice Add the fromaddress permission.
// @param fromChain - The chainID of the source chain.
// @param fromAddress - The call address of the source chain.
// @param tag - Permission,false: revoke permission.
function addRemoteCaller(uint256 fromChain, bytes memory fromAddress, bool tag) external;
// @notice Query whether the contract has execution permission.
// @param mosAddress - This is the mos query address.
// @param fromChainId - The call chain id of the source chain.
// @param fromAddress - The call address of the source chain.
function getExecutePermission(address mosAddress,uint256 fromChainId,bytes memory fromAddress) external view returns(bool);
event mapMessageOut(uint256 indexed fromChain, uint256 indexed toChain, bytes32 orderId, bytes fromAddrss, bytes callData);
event mapMessageIn(uint256 indexed fromChain, uint256 indexed toChain, bytes32 orderId, bytes fromAddrss, bytes callData, bool result, bytes reason);