Updated some model code.

app/Models/Account.php

@@ -211,6 +211,24 @@ class Account extends Model
         return $value;
     }
 
+    /**
+     * @return TransactionJournal|null
+     */
+    public function openingBalanceTransaction(): TransactionJournal
+    {
+        $journal = TransactionJournal
+            ::sortCorrectly()
+            ->leftJoin('transactions', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
+            ->where('transactions.account_id', $this->id)
+            ->transactionTypes([TransactionType::OPENING_BALANCE])
+            ->first(['transaction_journals.*']);
+        if (is_null($journal)) {
+            return new TransactionJournal;
+        }
+
+        return $journal;
+    }
+
     /**
      * @return HasMany
      */

app/Models/Bill.php

@@ -62,6 +62,7 @@ use Watson\Validating\ValidatingTrait;
  * @mixin \Eloquent
  * @property string                                                             $deleted_at
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\Bill whereDeletedAt($value)
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\TransactionJournal[] $transactionJournals
  */
 class Bill extends Model
 {

app/Models/Budget.php

@@ -49,6 +49,7 @@ use Watson\Validating\ValidatingTrait;
  * @mixin \Eloquent
  * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Transaction[]     $transactions
  * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\LimitRepetition[] $limitrepetitions
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\TransactionJournal[] $transactionJournals
  */
 class Budget extends Model
 {

app/Models/Category.php

@@ -45,6 +45,7 @@ use Watson\Validating\ValidatingTrait;
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\Category whereEncrypted($value)
  * @mixin \Eloquent
  * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Transaction[] $transactions
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\TransactionJournal[] $transactionJournals
  */
 class Category extends Model
 {

app/Models/Tag.php

@@ -49,6 +49,7 @@ use Watson\Validating\ValidatingTrait;
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\Tag whereLongitude($value)
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\Tag whereZoomLevel($value)
  * @mixin \Eloquent
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\TransactionJournal[] $transactionJournals
  */
 class Tag extends TagSupport
 {

app/Models/Transaction.php

@@ -48,6 +48,8 @@ use Watson\Validating\ValidatingTrait;
  * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Budget[]   $budgets
  * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Category[] $categories
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\Transaction transactionTypes($types)
+ * @property integer $identifier
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\Transaction whereIdentifier($value)
  */
 class Transaction extends Model
 {

app/Models/TransactionGroup.php

@@ -34,6 +34,7 @@ use Illuminate\Database\Eloquent\SoftDeletes;
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\TransactionGroup whereUserId($value)
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\TransactionGroup whereRelation($value)
  * @mixin \Eloquent
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\TransactionJournal[] $transactionJournals
  */
 class TransactionGroup extends Model
 {

app/Models/TransactionJournal.php

@@ -94,6 +94,7 @@ use Watson\Validating\ValidatingTrait;
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\TransactionJournal expanded()
  * @mixin \Eloquent
  * @method static \Illuminate\Database\Query\Builder|\FireflyIII\Models\TransactionJournal sortCorrectly()
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\TransactionJournalMeta[] $transactionJournalMeta
  */
 class TransactionJournal extends TransactionJournalSupport
 {

app/User.php

@@ -24,6 +24,42 @@ use Illuminate\Notifications\Notifiable;
  * Class User
  *
  * @package FireflyIII
+ * @property integer $id
+ * @property \Carbon\Carbon $created_at
+ * @property \Carbon\Carbon $updated_at
+ * @property string $email
+ * @property string $password
+ * @property string $remember_token
+ * @property string $reset
+ * @property boolean $blocked
+ * @property string $blocked_code
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Account[] $accounts
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Attachment[] $attachments
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Bill[] $bills
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Budget[] $budgets
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Category[] $categories
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\ExportJob[] $exportJobs
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\ImportJob[] $importJobs
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\PiggyBank[] $piggyBanks
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Preference[] $preferences
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Role[] $roles
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\RuleGroup[] $ruleGroups
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Rule[] $rules
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Tag[] $tags
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\TransactionJournal[] $transactionJournals
+ * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\Transaction[] $transactions
+ * @property-read \Illuminate\Notifications\DatabaseNotificationCollection|\Illuminate\Notifications\DatabaseNotification[] $notifications
+ * @property-read \Illuminate\Notifications\DatabaseNotificationCollection|\Illuminate\Notifications\DatabaseNotification[] $unreadNotifications
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereId($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereCreatedAt($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereUpdatedAt($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereEmail($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User wherePassword($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereRememberToken($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereReset($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereBlocked($value)
+ * @method static \Illuminate\Database\Query\Builder|\FireflyIII\User whereBlockedCode($value)
+ * @mixin \Eloquent
  */
 class User extends Authenticatable
 {