package models import "github.com/jinzhu/gorm" type Contract struct { gorm.Model Name string DeviceID []uint BuyerID uint Status string BlockchainID string ContractInfos []ContractInfo } func (Contract) Update() (bool, error) { return false, nil } func (Contract) Create() (bool, error) { return false, nil } func (Contract) Delete() (bool, error) { return false, nil }