public OpenSeaRequest AddRequest(string assetContractAddress, string tokenId) { OpenSeaRequestGroup group = null; for (int i = 0; i < requestGroup.Count; i++) { if (requestGroup[i].isOpen) { group = requestGroup[i]; break; } } if (group == null) { group = CreateNewGroup(); } return(group.AddRequest(assetContractAddress, tokenId)); }