Algorithm 5: Add Node to Network

//this function take important parameters such as category, group Id, Object id Begin if (ids[msg.sender]. length != 0) Return error();    if (NodeMemberId != address(0)) Return error();    if (_category == 0) {     if (grpIdMasters[_grpId] != address(0)) Return error();     else {     grpIdMasters [_grpId] = msg.sender;     }    } else {if (CallVerifyFunction == false) { Return error();} else { Call SaveNode(msg.sender, _grpId, _id) function; } }    End;