feat: creation of new user

internal/game/session.go

@@ -0,0 +1,39 @@
+package game
+
+import (
+	petname "github.com/dustinkirkland/golang-petname"
+)
+
+var lastSessionId int = 0
+var sessionStorage []Session = []Session{}
+var nameToSession map[string]*Session = make(map[string]*Session)
+
+type Session struct {
+	id    int
+	Name  string
+	Users []User
+}
+
+func NewSession() Session {
+	sessionName := petname.Generate(3, "-")
+
+	s := Session{
+		id:    lastSessionId,
+		Name:  sessionName,
+		Users: []User{},
+	}
+
+	sessionStorage = append(sessionStorage, s)
+	nameToSession[sessionName] = &s
+	lastSessionId++
+
+	return s
+}
+
+func GetSession(name string) *Session {
+	return nameToSession[name]
+}
+
+func (s *Session) AddUser(user User) {
+	s.Users = append(s.Users, user)
+}

internal/game/user.go

@@ -0,0 +1,23 @@
+package game
+
+import (
+	"crypto/ed25519"
+	"crypto/rand"
+)
+
+type User struct {
+	Name       string
+	PublicKey  ed25519.PublicKey
+	PrivateKey ed25519.PrivateKey
+}
+
+func NewUser(name string) User {
+	// ed25519
+
+	public, private, _ := ed25519.GenerateKey(rand.Reader)
+	return User{
+		Name:       name,
+		PublicKey:  public,
+		PrivateKey: private,
+	}
+}