Imports github.com/jinzhu/gorm google.golang.org/grpc Standard library imports context crypto/aes crypto/cipher encoding/base64 encoding/json fmt log os perScoreServer/app/model perScoreServer/perScoreProto/perScoreCal/question perScoreServer/perScoreProto/perScoreCal/user perScoreServer/perScoreProto/user strconv strings