feat(vsco): add unlock-pro patch (ReVanced#2168)

Co-authored-by: oSumAtrIX <[email protected]>

src/main/kotlin/app/revanced/patches/vsco/misc/pro/fingerprints/RevCatSubscriptionFingerprint.kt

@@ -0,0 +1,13 @@
+package app.revanced.patches.vsco.misc.pro.fingerprints
+
+import org.jf.dexlib2.AccessFlags
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+
+object RevCatSubscriptionFingerprint : MethodFingerprint(
+    returnType = "V",
+    strings = listOf("use_debug_subscription_settings"),
+    customFingerprint = { methodDef, _ ->
+        methodDef.definingClass.endsWith("/RevCatSubscriptionSettingsRepository;")
+    }
+)

src/main/kotlin/app/revanced/patches/vsco/misc/pro/patch/UnlockProPatch.kt

@@ -0,0 +1,35 @@
+package app.revanced.patches.vsco.misc.pro.patch
+
+import app.revanced.extensions.toErrorResult
+import app.revanced.patcher.annotation.*
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patches.vsco.misc.pro.fingerprints.RevCatSubscriptionFingerprint
+
+
+@Patch
+@Name("unlock-pro")
+@Description("Unlocks pro features.")
+@Compatibility([Package("com.vsco.cam")])
+@Version("0.0.1")
+class UnlockProPatch : BytecodePatch(
+    listOf(RevCatSubscriptionFingerprint)
+) {
+    override fun execute(context: BytecodeContext): PatchResult {
+        RevCatSubscriptionFingerprint.result?.mutableMethod?.apply {
+            // Set isSubscribed to true.
+            addInstructions(
+                0,
+                """
+                    const p1, 0x1
+                """
+            )
+        } ?: return RevCatSubscriptionFingerprint.toErrorResult()
+
+        return PatchResultSuccess()
+    }
+}