feature

server/tests/Unit/IngestServiceNormalizeTest.php

@@ -47,4 +47,14 @@ class IngestServiceNormalizeTest extends TestCase
             ])
         );
     }
+
+    #[Test]
+    public function decode_hex_counter_pair_splits_idx_ftu(): void
+    {
+        $this->assertSame([0, 7], IngestService::decodeHexCounterPair('000000000007'));
+        $this->assertSame([7, 0], IngestService::decodeHexCounterPair('000007000000'));
+        $this->assertSame([1, 2], IngestService::decodeHexCounterPair('000001000002'));
+        $this->assertSame([null, null], IngestService::decodeHexCounterPair('bad'));
+        $this->assertSame([null, null], IngestService::decodeHexCounterPair(null));
+    }
 }

server/tests/Unit/TronDriverTest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Services\Chain\TronDriver;
+use PHPUnit\Framework\Attributes\Test;
+use Tests\TestCase;
+
+class TronDriverTest extends TestCase
+{
+    private const MNEMONIC = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about';
+
+    #[Test]
+    public function derives_known_tron_address_from_bip44_path(): void
+    {
+        $driver = new TronDriver;
+
+        $this->assertSame(
+            'TUEZSdKsoDHQMeZwihtdoBiN46zxhGWYdH',
+            $driver->deriveAddress(self::MNEMONIC, 0)
+        );
+    }
+
+    #[Test]
+    public function validates_tron_base58_addresses(): void
+    {
+        $driver = new TronDriver;
+
+        $this->assertTrue($driver->isValidAddress('TUEZSdKsoDHQMeZwihtdoBiN46zxhGWYdH'));
+        $this->assertFalse($driver->isValidAddress('0xab5c66752a9e8167967685f1450532fb96d5d24f'));
+        $this->assertFalse($driver->isValidAddress('Tinvalid'));
+    }
+}