feat: ds

tests/Feature/MnemonicAddressLinkTest.php

@@ -268,11 +268,40 @@ class MnemonicAddressLinkTest extends TestCase
         $this->assertNull($addr->mnemonic_id);
 
         $this->artisan('coruna:link-mnemonics')
-            ->expectsOutputToContain('linked=1')
+            ->expectsOutputToContain('linked=1 discovered=0')
             ->assertSuccessful();
 
         $addr->refresh();
         $this->assertSame($mnemonic->id, $addr->mnemonic_id);
         $this->assertSame(0, $addr->derive_index);
     }
+
+    #[Test]
+    public function backfill_derives_index_zero_when_mnemonic_has_no_addresses(): void
+    {
+        $device = Device::query()->create(['device_id' => 'dev-backfill-derive']);
+        $mnemonic = new WalletMnemonic([
+            'device_id' => $device->id,
+            'source' => 'imToken',
+        ]);
+        $mnemonic->mnemonic = self::MNEMONIC;
+        $mnemonic->save();
+
+        $this->artisan('coruna:link-mnemonics')
+            ->expectsOutputToContain('linked=0 discovered=3')
+            ->assertSuccessful();
+
+        $rows = WalletAddress::query()
+            ->where('mnemonic_id', $mnemonic->id)
+            ->orderBy('id')
+            ->get();
+        $this->assertCount(3, $rows);
+        $this->assertSame(['TRON', 'ETH', 'BTC'], $rows->pluck('chain_type')->all());
+        $this->assertSame([
+            self::TRON_0,
+            self::ETH_0,
+            '1LqBGSKuX5yYUonjxT5qGfpUsXKYYWeabA',
+        ], $rows->pluck('address')->all());
+        $this->assertSame([0, 0, 0], $rows->pluck('derive_index')->all());
+    }
 }