Blog/User/user.go

package Users

import (
	"github.com/nspcc-dev/neo-go/pkg/interop"
	"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
)

type User struct {
	name      string
	surname   string
	login     string
	password  string
	ownerHash interop.Hash160
}

func NewUser(name string, surname string, login string, password string, owner interop.Hash160) {
	ctx := storage.GetContext()

	existing_login := storage.Get(ctx, login)
	if existing_login != nil {
		panic("this login is taken by someone else")
	}

	user := User{
		name:      name,
		surname:   surname,
		login:     login,
		password:  password,
		ownerHash: owner,
	}

	saveUser(ctx, login, user)
}

func GetUser(ctx storage.Context, login string) User {
	data := storage.Get(ctx, login)

	if data == nil {
		panic("User does not exist")
	}

	return std.Deserialize(data.([]byte)).(User)
}

func saveUser(ctx storage.Context, userLogin string, user User) {
	storage.Put(ctx, user.ownerHash, std.Serialize(user))
	storage.Put(ctx, string(user.ownerHash)+"LastPost", -1)
	storage.Put(ctx, string(user.ownerHash)+"LastCom", -1)
}