From 82e530a510304ee1c01d0709b3ee809733363a6a Mon Sep 17 00:00:00 2001
From: naijun0403 <naijun0403@gmail.com>
Date: Sun, 4 May 2025 01:25:10 +0900
Subject: [PATCH] feat(kakaotalk): Add patch to remove 99 unread limit in chat
 logs

---
 patches/api/patches.api                       |  4 +++
 .../kakaotalk/chatlog/Remove99ClampPatch.kt   | 31 +++++++++++++++++++
 .../fingerprints/Remove99ClampFingerprint.kt  | 11 +++++++
 3 files changed, 46 insertions(+)
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/Remove99ClampPatch.kt
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/fingerprints/Remove99ClampFingerprint.kt

diff --git a/patches/api/patches.api b/patches/api/patches.api
index 871da0fd5..5d785ffd1 100644
--- a/patches/api/patches.api
+++ b/patches/api/patches.api
@@ -248,6 +248,10 @@ public final class app/revanced/patches/kakaotalk/changemodel/ChangeModelPatchKt
 	public static final fun getChangeModelPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/kakaotalk/chatlog/Remove99ClampPatchKt {
+	public static final fun getRemove99ClampPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/kakaotalk/chatroom/Remove300PlusLimitPatchKt {
 	public static final fun getRemove300PlusLimitBaseChatRoomPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 	public static final fun getRemove300PlusLimitOpenChatRoomPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/Remove99ClampPatch.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/Remove99ClampPatch.kt
new file mode 100644
index 000000000..49ddde073
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/Remove99ClampPatch.kt
@@ -0,0 +1,31 @@
+package app.revanced.patches.kakaotalk.chatlog
+
+import app.revanced.patcher.extensions.InstructionExtensions.instructions
+import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
+import app.revanced.patcher.patch.bytecodePatch
+import app.revanced.patcher.patch.Package
+import app.revanced.patches.kakaotalk.chatlog.fingerprints.remove99ClampFingerprint
+import com.android.tools.smali.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction10t
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction22t
+
+@Suppress("unused")
+val remove99ClampPatch = bytecodePatch(
+    name = "Disable 99 unread limit",
+    description = "Skip the 99-cap so unread count shows full value"
+) {
+    compatibleWith(Package("com.kakao.talk", setOf("25.3.5")))
+
+    execute {
+        val method = remove99ClampFingerprint.method
+
+        method.instructions
+            .filterIsInstance<BuilderInstruction22t>()
+            .filter { it.opcode == Opcode.IF_LE }
+            .forEach { ifle ->
+                val idx = method.instructions.indexOf(ifle)
+                val goto = BuilderInstruction10t(Opcode.GOTO, ifle.target)
+                method.replaceInstruction(idx, goto)
+            }
+    }
+}
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/fingerprints/Remove99ClampFingerprint.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/fingerprints/Remove99ClampFingerprint.kt
new file mode 100644
index 000000000..26708c068
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/chatlog/fingerprints/Remove99ClampFingerprint.kt
@@ -0,0 +1,11 @@
+package app.revanced.patches.kakaotalk.chatlog.fingerprints
+
+import app.revanced.patcher.fingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+
+internal val remove99ClampFingerprint = fingerprint {
+    accessFlags(AccessFlags.PUBLIC, AccessFlags.FINAL)
+    returns("Ljava/lang/Object;")
+    parameters()
+    strings("notiRead", "openlinkSettingShowUnreadCount")
+}
\ No newline at end of file