From 647756008ea35a64c0928d104b19eeb00ed90a5c Mon Sep 17 00:00:00 2001
From: naijun0403 <naijun0403@gmail.com>
Date: Sun, 4 May 2025 03:14:33 +0900
Subject: [PATCH] feat(kakaotalk): Add patch to remove shop tab from the bottom
 navigation bar

---
 patches/api/patches.api                       |  4 ++
 .../kakaotalk/misc/RemoveShopTabPatch.kt      | 45 +++++++++++++++++++
 .../fingerprints/RemoveShopTabFingerprint.kt  | 35 +++++++++++++++
 3 files changed, 84 insertions(+)
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/RemoveShopTabPatch.kt
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/RemoveShopTabFingerprint.kt

diff --git a/patches/api/patches.api b/patches/api/patches.api
index 5d785ffd1..c22dfd05d 100644
--- a/patches/api/patches.api
+++ b/patches/api/patches.api
@@ -257,6 +257,10 @@ public final class app/revanced/patches/kakaotalk/chatroom/Remove300PlusLimitPat
 	public static final fun getRemove300PlusLimitOpenChatRoomPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/kakaotalk/misc/RemoveShopTabPatchKt {
+	public static final fun getRemoveShopTabPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/kakaotalk/signature/VerifyingSignaturePatchKt {
 	public static final fun getVerifyingSignaturePatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/RemoveShopTabPatch.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/RemoveShopTabPatch.kt
new file mode 100644
index 000000000..34f168edd
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/RemoveShopTabPatch.kt
@@ -0,0 +1,45 @@
+package app.revanced.patches.kakaotalk.misc
+
+import app.revanced.patcher.extensions.InstructionExtensions.instructions
+import app.revanced.patcher.extensions.InstructionExtensions.removeInstruction
+import app.revanced.patcher.patch.Package
+import app.revanced.patcher.patch.bytecodePatch
+import app.revanced.patches.kakaotalk.misc.fingerprints.removeShopTabFingerprint
+import app.revanced.util.getReference
+import com.android.tools.smali.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction21c
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction35c
+import com.android.tools.smali.dexlib2.iface.reference.FieldReference
+import com.android.tools.smali.dexlib2.iface.reference.MethodReference
+
+val removeShopTabPatch = bytecodePatch(
+    name = "Remove shop tab",
+    description = "Removes the shop tab from the bottom navigation bar.",
+) {
+    compatibleWith(Package("com.kakao.talk", setOf("25.3.5")))
+
+    execute {
+        val method = removeShopTabFingerprint.method
+        val insns  = method.instructions
+
+        val matches = insns.mapIndexedNotNull { idx, inst ->
+            if (inst is BuilderInstruction35c
+                && inst.opcode == Opcode.INVOKE_VIRTUAL
+                && (inst.getReference<MethodReference>()?.name == "add")
+            ) {
+                val prev = insns.getOrNull(idx - 1) as? BuilderInstruction21c
+                val fldName = (prev?.reference as? FieldReference)?.name
+                if (fldName == "SHOPPING_TAB" || fldName == "CALL_TAB") {
+                    Pair(idx - 1, idx)
+                } else null
+            } else null
+        }
+
+        matches
+            .sortedByDescending { it.second }
+            .forEach { (loadIdx, invokeIdx) ->
+                method.removeInstruction(invokeIdx)
+                method.removeInstruction(loadIdx)
+            }
+    }
+}
\ No newline at end of file
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/RemoveShopTabFingerprint.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/RemoveShopTabFingerprint.kt
new file mode 100644
index 000000000..6418a054d
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/RemoveShopTabFingerprint.kt
@@ -0,0 +1,35 @@
+package app.revanced.patches.kakaotalk.misc.fingerprints
+
+import app.revanced.patcher.extensions.InstructionExtensions.instructions
+import app.revanced.patcher.fingerprint
+import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
+import app.revanced.util.getReference
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.iface.reference.StringReference
+
+internal val removeShopTabFingerprint = fingerprint {
+    accessFlags(AccessFlags.PUBLIC, AccessFlags.FINAL)
+    returns("V")
+    parameters()
+    strings("webtoon")
+//    custom { method, classDef ->
+//        !method.toMutable().instructions.any {
+//            it.opcode == Opcode.CONST_STRING && !it.getReference<StringReference>()!!.string.contains("webtoon")
+//        }
+//    }
+    opcodes(
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.SGET_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT,
+        Opcode.CONST_4,
+        Opcode.IF_EQZ,
+        Opcode.SGET_OBJECT,
+        Opcode.GOTO,
+    )
+}
\ No newline at end of file