OrderParams
struct OrderParams {
uint8 payloadType;
bytes32 trader;
uint16 destChainId;
bytes32 destAddr;
bytes32 tokenOut;
uint64 minAmountOut;
uint64 gasDrop;
uint64 cancelFee;
uint64 refundFee;
uint64 deadline;
bytes32 referrerAddr;
uint8 referrerBps;
uint8 auctionMode;
bytes32 random;
}