Create user accounts on user create

Incoming: the account we debit on incoming transactions
Current: the account that we credit on incoming transactions and debit on outgoing transactions (this is the user's balance)
Outgoing: the acount we credit on outgoing transactions
Fees: the account we credit for fees

controllers/create.ctrl.go

@@ -2,6 +2,7 @@ package controllers
 
 import (
 	"context"
+	"database/sql"
 	"math/rand"
 	"net/http"
 
@@ -10,6 +11,7 @@ import (
 	"github.com/getAlby/lndhub.go/lib/security"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/gommon/random"
+	"github.com/uptrace/bun"
 )
 
 const alphaNumBytes = random.Alphanumeric
@@ -39,9 +41,25 @@ func (CreateUserController) CreateUser(c echo.Context) error {
 	hashedPassword := security.HashPassword(password)
 	user.Password = hashedPassword
 
-	if _, err := db.NewInsert().Model(&user).Exec(context.TODO()); err != nil {
+	err := db.RunInTx(context.TODO(), &sql.TxOptions{}, func(ctx context.Context, tx bun.Tx) error {
+		if _, err := tx.NewInsert().Model(&user).Exec(ctx); err != nil {
+			return err
+		}
+		accountTypes := []string{"incoming", "current", "outgoing", "fees"}
+		for _, accountType := range accountTypes {
+			account := models.Account{UserID: user.ID, Type: accountType}
+			if _, err := db.NewInsert().Model(&account).Exec(ctx); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+
+	// Was the DB transaction successful?
+	if err != nil {
 		return err
 	}
+
 	var ResponseBody struct {
 		Login    string `json:"login"`
 		Password string `json:"password"`