refactor: migrate from Signature to Fingerprint

BREAKING CHANGE: Not backwards compatible, since a lot of classes where renamed.

src/main/kotlin/app/revanced/patches/music/audio/codecs/fingerprints/AllCodecsReferenceFingerprint.kt

@@ -1,16 +1,16 @@
-package app.revanced.patches.music.audio.codecs.signatures
+package app.revanced.patches.music.audio.codecs.fingerprints
 
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.extensions.or
-import app.revanced.patcher.signature.implementation.method.MethodSignature
-import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patcher. fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
 import app.revanced.patches.music.audio.codecs.annotations.CodecsUnlockCompatibility
 import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.Opcode
 
-@Name("all-codecs-reference-signature")
+@Name("all-codecs-reference-fingerprint")
 @MatchingMethod(
     "Laari;",
     "b",
@@ -18,7 +18,7 @@ import org.jf.dexlib2.Opcode
 @FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
 @CodecsUnlockCompatibility
 @Version("0.0.1")
-object AllCodecsReferenceSignature : MethodSignature(
+object AllCodecsReferenceFingerprint : MethodFingerprint(
     "J", AccessFlags.PUBLIC or AccessFlags.FINAL, listOf("L"), listOf(
         Opcode.INVOKE_STATIC,
         Opcode.MOVE_RESULT_OBJECT,

src/main/kotlin/app/revanced/patches/music/audio/codecs/fingerprints/CodecsLockFingerprint.kt

@@ -1,16 +1,16 @@
-package app.revanced.patches.music.audio.codecs.signatures
+package app.revanced.patches.music.audio.codecs.fingerprints
 
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.extensions.or
-import app.revanced.patcher.signature.implementation.method.MethodSignature
-import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
 import app.revanced.patches.music.audio.codecs.annotations.CodecsUnlockCompatibility
 import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.Opcode
 
-@Name("codec-lock-signature")
+@Name("codec-lock-fingerprint")
 @MatchingMethod(
     "Labwj;",
     "a",
@@ -18,7 +18,7 @@ import org.jf.dexlib2.Opcode
 @FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
 @CodecsUnlockCompatibility
 @Version("0.0.1")
-object CodecsLockSignature : MethodSignature(
+object CodecsLockFingerprint : MethodFingerprint(
     "L", AccessFlags.PUBLIC or AccessFlags.STATIC, listOf("L", "L", "L", "L"), listOf(
         Opcode.INVOKE_STATIC,
         Opcode.MOVE_RESULT_OBJECT,

src/main/kotlin/app/revanced/patches/music/audio/codecs/patch/CodecsUnlockPatch.kt

@@ -3,16 +3,16 @@ package app.revanced.patches.music.audio.codecs.patch
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
-import app.revanced.patcher.data.implementation.BytecodeData
-import app.revanced.patcher.data.implementation.toMethodWalker
+import app.revanced.patcher.data.impl.BytecodeData
+import app.revanced.patcher.data.impl.toMethodWalker
 import app.revanced.patcher.patch.annotations.Patch
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.patch.impl.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.util.smali.toInstruction
 import app.revanced.patches.music.audio.codecs.annotations.CodecsUnlockCompatibility
-import app.revanced.patches.music.audio.codecs.signatures.AllCodecsReferenceSignature
-import app.revanced.patches.music.audio.codecs.signatures.CodecsLockSignature
+import app.revanced.patches.music.audio.codecs.fingerprints.AllCodecsReferenceFingerprint
+import app.revanced.patches.music.audio.codecs.fingerprints.CodecsLockFingerprint
 
 @Patch
 @Name("codecs-unlock")
@@ -21,19 +21,19 @@ import app.revanced.patches.music.audio.codecs.signatures.CodecsLockSignature
 @Version("0.0.1")
 class CodecsUnlockPatch : BytecodePatch(
     listOf(
-        CodecsLockSignature, AllCodecsReferenceSignature
+        CodecsLockFingerprint, AllCodecsReferenceFingerprint
     )
 ) {
     override fun execute(data: BytecodeData): PatchResult {
-        var result = CodecsLockSignature.result!!
+        var result = CodecsLockFingerprint.result!!
 
-        val implementation = result.method.implementation!!
+        val implementation = result.mutableMethod.implementation!!
 
-        val instructionIndex = result.scanResult.startIndex
+        val instructionIndex = result.patternScanResult!!.startIndex
 
-        result = AllCodecsReferenceSignature.result!!
+        result = AllCodecsReferenceFingerprint.result!!
         val codecMethod =
-            data.toMethodWalker(result.immutableMethod).nextMethod(result.scanResult.startIndex).getMethod()
+            data.toMethodWalker(result.method).nextMethod(result.patternScanResult!!.startIndex).getMethod()
 
         implementation.replaceInstruction(
             instructionIndex,

src/main/kotlin/app/revanced/patches/music/audio/exclusiveaudio/fingerprints/AudioOnlyEnablerFingerprint.kt

@@ -0,0 +1,41 @@
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.method.annotation.DirectPatternScanMethod
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patches.music.audio.exclusiveaudio.annotations.ExclusiveAudioCompatibility
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Name("audio-only-enabler-fingerprint")
+@MatchingMethod(
+    "Lgmd;",
+    "d"
+)
+@DirectPatternScanMethod
+@ExclusiveAudioCompatibility
+@Version(
+    "0.0.1"
+)
+object  AudioOnlyEnablerFingerprint: MethodFingerprint(
+    "Z", AccessFlags.PUBLIC or AccessFlags.FINAL, listOf(), listOf(
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.IF_NEZ,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.GOTO,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.RETURN
+    )
+)

src/main/kotlin/app/revanced/patches/music/audio/exclusiveaudio/fingerprints/ExclusiveAudioFingerprint.kt

@@ -1,23 +1,23 @@
-package app.revanced.patches.music.audio.exclusiveaudio.signatures
+package app.revanced.patches.music.audio.exclusiveaudio.fingerprints
 
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.extensions.or
-import app.revanced.patcher.signature.implementation.method.MethodSignature
-import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
 import app.revanced.patches.music.audio.exclusiveaudio.annotations.ExclusiveAudioCompatibility
 import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.Opcode
 
-@Name("exclusive-audio-signature")
+@Name("exclusive-audio-fingerprints")
 @MatchingMethod(
     "Lgmd;", "c"
 )
 @FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
 @ExclusiveAudioCompatibility
 @Version("0.0.1")
-object ExclusiveAudioSignature : MethodSignature(
+object ExclusiveAudioFingerprint : MethodFingerprint(
     "V",
     AccessFlags.PUBLIC or AccessFlags.FINAL,
     listOf("L", "Z"),

src/main/kotlin/app/revanced/patches/music/audio/exclusiveaudio/patch/ExclusiveAudioPatch.kt

@@ -1,23 +1,19 @@
 package app.revanced.patches.music.audio.exclusiveaudio.patch
 
+import AudioOnlyEnablerFingerprint
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
-import app.revanced.patcher.data.implementation.BytecodeData
-import app.revanced.patcher.extensions.or
+import app.revanced.patcher.data.impl.BytecodeData
+import app.revanced.patcher.extensions.addInstruction
+import app.revanced.patcher.extensions.replaceInstruction
+import app.revanced.patcher.fingerprint.method.utils.MethodFingerprintUtils.resolve
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.Patch
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultError
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
-import app.revanced.patcher.signature.implementation.method.MethodSignature
-import app.revanced.patcher.signature.implementation.method.annotation.DirectPatternScanMethod
-import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
-import app.revanced.patcher.util.smali.toInstruction
+import app.revanced.patcher.patch.impl.BytecodePatch
 import app.revanced.patches.music.audio.exclusiveaudio.annotations.ExclusiveAudioCompatibility
-import app.revanced.patches.music.audio.exclusiveaudio.signatures.ExclusiveAudioSignature
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
+import app.revanced.patches.music.audio.exclusiveaudio.fingerprints.ExclusiveAudioFingerprint
 
 @Patch
 @Name("exclusive-audio-playback")
@@ -26,44 +22,15 @@ import org.jf.dexlib2.Opcode
 @Version("0.0.1")
 class ExclusiveAudioPatch : BytecodePatch(
     listOf(
-        ExclusiveAudioSignature
+        ExclusiveAudioFingerprint
     )
 ) {
     override fun execute(data: BytecodeData): PatchResult {
-        val result = ExclusiveAudioSignature.result!!.findParentMethod(@Name("audio-only-enabler-method") @MatchingMethod(
-            "Lgmd;",
-            "d"
-        ) @DirectPatternScanMethod @ExclusiveAudioCompatibility @Version(
-            "0.0.1"
-        ) object : MethodSignature(
-            "Z", AccessFlags.PUBLIC or AccessFlags.FINAL, listOf(), listOf(
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.IF_NEZ,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT,
-                Opcode.GOTO,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT,
-                Opcode.RETURN
-            )
-        ) {}) ?: return PatchResultError("Required parent method could not be found.")
+        ExclusiveAudioFingerprint.resolve(data, AudioOnlyEnablerFingerprint.result!!.classDef)
 
-        val implementation = result.method.implementation!!
-        implementation.replaceInstruction(
-            implementation.instructions.count() - 1, "const/4 v0, 0x1".toInstruction()
-        )
-        implementation.addInstruction(
-            "return v0".toInstruction()
-        )
+        val method = ExclusiveAudioFingerprint.result!!.mutableMethod
+        method.replaceInstruction(method.implementation!!.instructions.count() - 1, "const/4 v0, 0x1")
+        method.addInstruction("return v0")
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/music/layout/tastebuilder/fingerprints/TasteBuilderConstructorFingerprint.kt

@@ -1,23 +1,23 @@
-package app.revanced.patches.music.layout.tastebuilder.signatures
+package app.revanced.patches.music.layout.tastebuilder.fingerprints
 
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.extensions.or
-import app.revanced.patcher.signature.implementation.method.MethodSignature
-import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
 import app.revanced.patches.music.layout.tastebuilder.annotations.RemoveTasteBuilderCompatibility
 import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.Opcode
 
-@Name("taste-builder-constructor")
+@Name("taste-builder-constructor-fingerprint")
 @MatchingMethod(
     "Lkyu;", "<init>"
 )
 @FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
 @RemoveTasteBuilderCompatibility
 @Version("0.0.1")
-object TasteBuilderConstructorSignature : MethodSignature(
+object TasteBuilderConstructorFingerprint : MethodFingerprint(
     "V", AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR, listOf("L", "L", "L", "L"), listOf(
         Opcode.INVOKE_DIRECT,
         Opcode.INVOKE_VIRTUAL,

src/main/kotlin/app/revanced/patches/music/layout/tastebuilder/patch/RemoveTasteBuilderPatch.kt

@@ -3,14 +3,14 @@ package app.revanced.patches.music.layout.tastebuilder.patch
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
-import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.data.impl.BytecodeData
 import app.revanced.patcher.extensions.addInstructions
 import app.revanced.patcher.patch.annotations.Patch
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.patch.impl.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patches.music.layout.tastebuilder.annotations.RemoveTasteBuilderCompatibility
-import app.revanced.patches.music.layout.tastebuilder.signatures.TasteBuilderConstructorSignature
+import app.revanced.patches.music.layout.tastebuilder.fingerprints.TasteBuilderConstructorFingerprint
 import org.jf.dexlib2.iface.instruction.formats.Instruction22c
 
 @Patch
@@ -20,18 +20,16 @@ import org.jf.dexlib2.iface.instruction.formats.Instruction22c
 @Version("0.0.1")
 class RemoveTasteBuilderPatch : BytecodePatch(
     listOf(
-        TasteBuilderConstructorSignature
+        TasteBuilderConstructorFingerprint
     )
 ) {
     override fun execute(data: BytecodeData): PatchResult {
-        val result = TasteBuilderConstructorSignature.result!!
-        val implementation = result.method.implementation!!
+        val result = TasteBuilderConstructorFingerprint.result!!
+        val method = result.mutableMethod
 
-        val insertIndex = result.scanResult.endIndex - 8
-
-        val register = (implementation.instructions[insertIndex] as Instruction22c).registerA
-
-        result.method.addInstructions(
+        val insertIndex = result.patternScanResult!!.endIndex - 8
+        val register = (method.implementation!!.instructions[insertIndex] as Instruction22c).registerA
+        method.addInstructions(
             insertIndex, """
                 const/16 v1, 0x8
                 invoke-virtual {v${register}, v1}, Landroid/view/View;->setVisibility(I)V

src/main/kotlin/app/revanced/patches/music/layout/upgradebutton/fingerprints/PivotBarConstructorFingerprint.kt

@@ -1,23 +1,23 @@
-package app.revanced.patches.music.layout.upgradebutton.signatures
+package app.revanced.patches.music.layout.upgradebutton.fingerprints
 
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.extensions.or
-import app.revanced.patcher.signature.implementation.method.MethodSignature
-import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
 import app.revanced.patches.music.layout.upgradebutton.annotations.RemoveUpgradeButtonCompatibility
 import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.Opcode
 
-@Name("pivot-bar-constructor")
+@Name("pivot-bar-constructor-fingerprint")
 @MatchingMethod(
     "Lhfu;", "<init2>"
 )
 @FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
 @RemoveUpgradeButtonCompatibility
 @Version("0.0.1")
-object PivotBarConstructorSignature : MethodSignature(
+object PivotBarConstructorFingerprint : MethodFingerprint(
     "V",
     AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
     listOf("L", "Z"),

src/main/kotlin/app/revanced/patches/music/layout/upgradebutton/patch/RemoveUpgradeButtonPatch.kt

@@ -3,15 +3,15 @@ package app.revanced.patches.music.layout.upgradebutton.patch
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
-import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.data.impl.BytecodeData
 import app.revanced.patcher.extensions.addInstructions
 import app.revanced.patcher.patch.annotations.Patch
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.patch.impl.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.util.smali.toInstructions
 import app.revanced.patches.music.layout.upgradebutton.annotations.RemoveUpgradeButtonCompatibility
-import app.revanced.patches.music.layout.upgradebutton.signatures.PivotBarConstructorSignature
+import app.revanced.patches.music.layout.upgradebutton.fingerprints.PivotBarConstructorFingerprint
 import org.jf.dexlib2.Opcode
 import org.jf.dexlib2.builder.instruction.BuilderInstruction22t
 import org.jf.dexlib2.iface.instruction.formats.Instruction22c
@@ -25,15 +25,15 @@ import org.jf.dexlib2.iface.instruction.formats.Instruction35c
 @Version("0.0.1")
 class RemoveUpgradeButtonPatch : BytecodePatch(
     listOf(
-        PivotBarConstructorSignature
+        PivotBarConstructorFingerprint
     )
 ) {
     override fun execute(data: BytecodeData): PatchResult {
-        val result = PivotBarConstructorSignature.result!!
-        val implementation = result.method.implementation!!
+        val result = PivotBarConstructorFingerprint.result!!
+        val implementation = result.mutableMethod.implementation!!
 
         val pivotBarElementFieldRef =
-            (implementation.instructions[result.scanResult.endIndex - 1] as Instruction22c).reference
+            (implementation.instructions[result.patternScanResult!!.endIndex - 1] as Instruction22c).reference
 
         val register = (implementation.instructions.first() as Instruction35c).registerC
         // first compile all the needed instructions
@@ -43,19 +43,19 @@ class RemoveUpgradeButtonPatch : BytecodePatch(
                 const/4 v2, 0x3
                 invoke-interface {v0, v2}, Ljava/util/List;->remove(I)Ljava/lang/Object;
                 iput-object v0, v$register, $pivotBarElementFieldRef
-            """.trimIndent().toInstructions().toMutableList()
+            """.toInstructions().toMutableList()
 
 
         // replace the instruction to retain the label at given index
         implementation.replaceInstruction(
-            result.scanResult.endIndex - 1, instructionList[0] // invoke-interface
+            result.patternScanResult!!.endIndex - 1, instructionList[0] // invoke-interface
         )
         // do not forget to remove this instruction since we added it already
         instructionList.removeFirst()
 
         val exitInstruction = instructionList.last() // iput-object
         implementation.addInstruction(
-            result.scanResult.endIndex, exitInstruction
+            result.patternScanResult!!.endIndex, exitInstruction
         )
         // do not forget to remove this instruction since we added it already
         instructionList.removeLast()
@@ -64,12 +64,12 @@ class RemoveUpgradeButtonPatch : BytecodePatch(
         instructionList.add(
             2, // if-le
             BuilderInstruction22t(
-                Opcode.IF_LE, 1, 2, implementation.newLabelForIndex(result.scanResult.endIndex)
+                Opcode.IF_LE, 1, 2, implementation.newLabelForIndex(result.patternScanResult!!.endIndex)
             )
         )
 
         implementation.addInstructions(
-            result.scanResult.endIndex, instructionList
+            result.patternScanResult!!.endIndex, instructionList
         )
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/music/premium/backgroundplay/fingerprints/BackgroundPlaybackDisableFingerprint.kt

@@ -1,23 +1,23 @@
-package app.revanced.patches.music.premium.backgroundplay.signatures
+package app.revanced.patches.music.premium.backgroundplay.fingerprints
 
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.extensions.or
-import app.revanced.patcher.signature.implementation.method.MethodSignature
-import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
-import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
 import app.revanced.patches.music.premium.backgroundplay.annotations.BackgroundPlayCompatibility
 import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.Opcode
 
-@Name("background-playback-disabler-signature")
+@Name("background-playback-disabler-fingerprint")
 @MatchingMethod(
     "Lafgf;", "e"
 )
 @FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
 @BackgroundPlayCompatibility
 @Version("0.0.1")
-object BackgroundPlaybackDisableSignature : MethodSignature(
+object BackgroundPlaybackDisableFingerprint : MethodFingerprint(
     "Z", AccessFlags.PUBLIC or AccessFlags.STATIC, listOf("L"), listOf(
         Opcode.CONST_4,
         Opcode.IF_EQZ,

src/main/kotlin/app/revanced/patches/music/premium/backgroundplay/patch/BackgroundPlayPatch.kt

@@ -3,14 +3,14 @@ package app.revanced.patches.music.premium.backgroundplay.patch
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
-import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.data.impl.BytecodeData
 import app.revanced.patcher.extensions.addInstructions
 import app.revanced.patcher.patch.annotations.Patch
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.patch.impl.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patches.music.premium.backgroundplay.annotations.BackgroundPlayCompatibility
-import app.revanced.patches.music.premium.backgroundplay.signatures.BackgroundPlaybackDisableSignature
+import app.revanced.patches.music.premium.backgroundplay.fingerprints.BackgroundPlaybackDisableFingerprint
 
 @Patch
 @Name("background-play")
@@ -19,11 +19,11 @@ import app.revanced.patches.music.premium.backgroundplay.signatures.BackgroundPl
 @Version("0.0.1")
 class BackgroundPlayPatch : BytecodePatch(
     listOf(
-        BackgroundPlaybackDisableSignature
+        BackgroundPlaybackDisableFingerprint
     )
 ) {
     override fun execute(data: BytecodeData): PatchResult {
-        BackgroundPlaybackDisableSignature.result!!.method.addInstructions(
+        BackgroundPlaybackDisableFingerprint.result!!.mutableMethod.addInstructions(
             0,
             """
                 const/4 v0, 0x1