From 16b087dbb965566cdbcdea73f90ffddf6d6d72e6 Mon Sep 17 00:00:00 2001
From: TaprootFreak <142087526+TaprootFreak@users.noreply.github.com>
Date: Sat, 14 Mar 2026 08:42:17 +0100
Subject: [PATCH 1/2] fix: add null check for recommendation in doSignUp
 (#3423)

getUserDataRecommendation returns null for new users without a
recommendation entry, causing a crash on entity.kycStep access
in setRecommenderRefCode when autoTradeApproval is enabled.
---
 src/subdomains/generic/user/models/auth/auth.service.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/subdomains/generic/user/models/auth/auth.service.ts b/src/subdomains/generic/user/models/auth/auth.service.ts
index d9fc96467d..9ea6e69cf6 100644
--- a/src/subdomains/generic/user/models/auth/auth.service.ts
+++ b/src/subdomains/generic/user/models/auth/auth.service.ts
@@ -188,7 +188,7 @@ export class AuthService {
         type: RecommendationType.INVITATION,
         method: RecommendationMethod.MAIL,
       });
-      await this.recommendationService.setRecommenderRefCode(recommendation);
+      if (recommendation) await this.recommendationService.setRecommenderRefCode(recommendation);
     }
 
     await this.checkIpBlacklistFor(user.userData, userIp);

From d4587d38be0e9032fc88c10f8bec7bc4a510fb0e Mon Sep 17 00:00:00 2001
From: TaprootFreak <142087526+TaprootFreak@users.noreply.github.com>
Date: Sat, 14 Mar 2026 08:50:17 +0100
Subject: [PATCH 2/2] Add Ark/BTC asset to Tier2 base fees (#3425)

* Add Ark/BTC asset to Tier2 base fees

Ark/BTC (asset 426) was missing from all Tier2 base fee asset
lists (fees 4-6, 10-12, 16-18), causing "Base fee is missing"
error on any BuyCrypto/BuyFiat/CryptoCrypto transaction with
Ark/BTC.

* Add Ark/BTC asset to Tier2 base fees

Ark/BTC (asset 426) was missing from all Tier2 base fee asset
lists (fees 4-6, 10-12, 16-18), causing "Base fee is missing"
error on any BuyCrypto/BuyFiat/CryptoCrypto transaction with
Ark/BTC.
---
 .../1773434400000-AddArkBtcToBaseFees.js      | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 migration/1773434400000-AddArkBtcToBaseFees.js

diff --git a/migration/1773434400000-AddArkBtcToBaseFees.js b/migration/1773434400000-AddArkBtcToBaseFees.js
new file mode 100644
index 0000000000..9ea1109e7e
--- /dev/null
+++ b/migration/1773434400000-AddArkBtcToBaseFees.js
@@ -0,0 +1,21 @@
+module.exports = class AddArkBtcToBaseFees1773434400000 {
+  name = 'AddArkBtcToBaseFees1773434400000';
+
+  async up(queryRunner) {
+    // Add Ark/BTC (asset 426) to all Tier2 base fees that use explicit asset lists
+    await queryRunner.query(`
+      UPDATE "dbo"."fee"
+      SET "assets" = "assets" + ';426'
+      WHERE "id" IN (4, 5, 6, 10, 11, 12, 16, 17, 18)
+        AND ';' + "assets" + ';' NOT LIKE '%;426;%'
+    `);
+  }
+
+  async down(queryRunner) {
+    await queryRunner.query(`
+      UPDATE "dbo"."fee"
+      SET "assets" = REPLACE("assets", ';426', '')
+      WHERE "id" IN (4, 5, 6, 10, 11, 12, 16, 17, 18)
+    `);
+  }
+};