Revert "Upgrade to kotlin 2.0.20 (#701)"

This reverts commit 0d85f88.

.gitignore

@@ -1,7 +1,6 @@
 .gradle
 build/
 .cxx
-.kotlin
 
 # this file is local to the dev environment and must not be pushed!
 local.properties
@@ -25,8 +24,23 @@ gradle-app.setting
 *.class
 *.log
 
+# sbt specific
+.cache/
+.history/
+.lib/
+dist/*
+target/
+lib_managed/
+src_managed/
+project/boot/
+project/plugins/project/
+
+# Scala-IDE specific
+.scala_dependencies
+.worksheet
+
 .idea
 *.iml
 target/
 project/target
-
+DeleteMe*.scala

build.gradle.kts

@@ -1,13 +1,11 @@
-import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
-import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
 import org.jetbrains.kotlin.gradle.targets.native.tasks.KotlinNativeSimulatorTest
 import org.jetbrains.kotlin.gradle.targets.native.tasks.KotlinNativeTest
 
 plugins {
-    kotlin("multiplatform") version "2.0.20"
-    kotlin("plugin.serialization") version "2.0.20"
-    id("org.jetbrains.dokka") version "1.9.20"
+    kotlin("multiplatform") version "1.9.23"
+    kotlin("plugin.serialization") version "1.9.23"
+    id("org.jetbrains.dokka") version "1.9.10"
     `maven-publish`
 }
 
@@ -32,17 +30,16 @@ kotlin {
     val bitcoinKmpVersion = "0.20.0" // when upgrading bitcoin-kmp, keep secpJniJvmVersion in sync!
     val secpJniJvmVersion = "0.15.0"
 
-    val serializationVersion = "1.7.1"
-    val coroutineVersion = "1.9.0"
+    val serializationVersion = "1.6.2"
+    val coroutineVersion = "1.7.3"
     val datetimeVersion = "0.6.0"
-    val ktorVersion = "2.3.12"
+    val ktorVersion = "2.3.7"
     fun ktor(module: String) = "io.ktor:ktor-$module:$ktorVersion"
-    val kermitLoggerVersion = "2.0.4"
+    val kermitLoggerVersion = "2.0.2"
 
     jvm {
-        @OptIn(ExperimentalKotlinGradlePluginApi::class)
-        compilerOptions {
-            jvmTarget.set(JvmTarget.JVM_1_8) // TODO: update this?
+        compilations.all {
+            kotlinOptions.jvmTarget = "1.8"
         }
     }
 
@@ -156,12 +153,15 @@ kotlin {
         resolutionStrategy.cacheChangingModulesFor(0, TimeUnit.SECONDS)
     }
 
-    @OptIn(ExperimentalKotlinGradlePluginApi::class)
-    compilerOptions {
-        allWarningsAsErrors.set(true)
-        // We use expect/actual for classes (see Chacha20Poly1305CipherFunctions). This feature is in beta and raises a warning.
-        // See https://youtrack.jetbrains.com/issue/KT-61573
-        freeCompilerArgs.add("-Xexpect-actual-classes")
+    targets.all {
+        compilations.all {
+            kotlinOptions {
+                allWarningsAsErrors = true
+                // We use expect/actual for classes (see Chacha20Poly1305CipherFunctions). This feature is in beta and raises a warning.
+                // See https://youtrack.jetbrains.com/issue/KT-61573
+                kotlinOptions.freeCompilerArgs += "-Xexpect-actual-classes"
+            }
+        }
     }
 }
 
@@ -237,11 +237,7 @@ afterEvaluate {
             compileTaskProvider.get().enabled = false
             tasks[processResourcesTaskName].enabled = false
         }
-        binaries.all {
-            linkTaskProvider {
-                enabled = false
-            }
-        }
+        binaries.all { linkTask.enabled = false }
 
         mavenPublication {
             val publicationToDisable = this
@@ -321,3 +317,10 @@ tasks
     .map {
         it.filter.excludeTestsMatching("*MempoolSpace*Test")
     }
+
+// Make NS_FORMAT_ARGUMENT(1) a no-op
+// This fixes an issue when building PhoenixCrypto using XCode 13
+// More on this: https://youtrack.jetbrains.com/issue/KT-48807#focus=Comments-27-5210791.0-0
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.CInteropProcess::class.java) {
+    settings.compilerOpts("-DNS_FORMAT_ARGUMENT(A)=")
+}

src/commonMain/kotlin/fr/acinq/lightning/crypto/noise/Chacha20Poly1305CipherFunctions.kt

@@ -2,18 +2,14 @@ package fr.acinq.lightning.crypto.noise
 
 import fr.acinq.lightning.crypto.ChaCha20Poly1305
 
-expect object Chacha20Poly1305CipherFunctions : CipherFunctions {
-    override fun name(): String
-    override fun encrypt(k: ByteArray, n: Long, ad: ByteArray, plaintext: ByteArray): ByteArray
-    override fun decrypt(k: ByteArray, n: Long, ad: ByteArray, ciphertextAndMac: ByteArray): ByteArray
-}
+expect object Chacha20Poly1305CipherFunctions : CipherFunctions
 
 /**
- * Default implementation for [Chacha20Poly1305CipherFunctions]. Can be used by modules by
+ * Default implementation for [[Chacha20Poly1305CipherFunctions]]. Can be used by modules by
  * defining a type alias.
  */
 object Chacha20Poly1305CipherFunctionsDefault : CipherFunctions {
-    override fun name(): String = "ChaChaPoly"
+    override fun name() = "ChaChaPoly"
 
     // as specified in BOLT #8
     fun nonce(n: Long): ByteArray = ByteArray(4) + ChaCha20Poly1305.write64(n)
@@ -25,6 +21,7 @@ object Chacha20Poly1305CipherFunctionsDefault : CipherFunctions {
     }
 
     // Decrypts ciphertext using a cipher key k of 32 bytes, an 8-byte unsigned integer nonce n, and associated data ad.
+    @Suppress("PARAMETER_NAME_CHANGED_ON_OVERRIDE")
     override fun decrypt(k: ByteArray, n: Long, ad: ByteArray, ciphertextAndMac: ByteArray): ByteArray {
         val ciphertext = ciphertextAndMac.dropLast(16).toByteArray()
         val mac = ciphertextAndMac.takeLast(16).toByteArray()

src/commonMain/kotlin/fr/acinq/lightning/crypto/noise/Noise.kt

@@ -24,7 +24,7 @@ interface CipherFunctions {
 
     // Decrypts ciphertext using a cipher key k of 32 bytes, an 8-byte unsigned integer nonce n, and associated data ad.
     // Returns the plaintext, unless authentication fails, in which case an error is signaled to the caller.
-    fun decrypt(k: ByteArray, n: Long, ad: ByteArray, ciphertextAndMac: ByteArray): ByteArray
+    fun decrypt(k: ByteArray, n: Long, ad: ByteArray, ciphertext: ByteArray): ByteArray
 }
 
 /**

src/commonMain/kotlin/fr/acinq/lightning/io/TcpSocket.kt

@@ -1,6 +1,5 @@
 package fr.acinq.lightning.io
 
-import fr.acinq.lightning.io.TcpSocket.TLS
 import fr.acinq.lightning.logging.LoggerFactory
 
 interface TcpSocket {
@@ -66,8 +65,6 @@ suspend fun TcpSocket.send(bytes: ByteArray, flush: Boolean = true) = send(bytes
 suspend fun TcpSocket.receiveFully(buffer: ByteArray) = receiveFully(buffer, 0, buffer.size)
 suspend fun TcpSocket.receiveAvailable(buffer: ByteArray) = receiveAvailable(buffer, 0, buffer.size)
 
-internal expect object PlatformSocketBuilder : TcpSocket.Builder {
-    override suspend fun connect(host: String, port: Int, tls: TLS, loggerFactory: LoggerFactory): TcpSocket
-}
+internal expect object PlatformSocketBuilder : TcpSocket.Builder
 
 suspend fun TcpSocket.receiveFully(size: Int): ByteArray = ByteArray(size).also { receiveFully(it) }

src/commonTest/resources/nonreg/v2/Closing_0ba41d17/data.json

@@ -44,7 +44,8 @@
                         "trusted_swap_in_provider": "Optional",
                         "channel_backup_provider": "Optional"
                     },
-                    "unknown": []
+                    "unknown": [
+                    ]
                 }
             },
             "remoteParams": {
@@ -78,7 +79,8 @@
                         "channel_backup_client": "Optional",
                         "trampoline_payment_experimental": "Optional"
                     },
-                    "unknown": []
+                    "unknown": [
+                    ]
                 }
             },
             "channelFlags": {
@@ -96,13 +98,18 @@
                         "paymentPreimage": "470394f1ea93ed652ed8fba12c00dcfe8212c4fd3295f7413f7a927e002ea4eb"
                     }
                 ],
-                "signed": [],
-                "acked": []
+                "signed": [
+                ],
+                "acked": [
+                ]
             },
             "remoteChanges": {
-                "proposed": [],
-                "acked": [],
-                "signed": []
+                "proposed": [
+                ],
+                "acked": [
+                ],
+                "signed": [
+                ]
             },
             "localNextHtlcId": 1,
             "remoteNextHtlcId": 1
@@ -229,7 +236,8 @@
                 "nextRemoteCommit": null
             }
         ],
-        "inactive": [],
+        "inactive": [
+        ],
         "payments": {
             "0": "a63c8f54-772a-4912-9b2a-055f7f64ce56"
         },

src/commonTest/resources/nonreg/v2/Closing_0ed6ff68/data.json

@@ -44,7 +44,8 @@
                         "trusted_swap_in_client": "Optional",
                         "channel_backup_client": "Optional"
                     },
-                    "unknown": []
+                    "unknown": [
+                    ]
                 }
             },
             "remoteParams": {
@@ -78,7 +79,8 @@
                         "channel_backup_provider": "Optional",
                         "trampoline_payment_experimental": "Optional"
                     },
-                    "unknown": []
+                    "unknown": [
+                    ]
                 }
             },
             "channelFlags": {
@@ -88,14 +90,20 @@
         },
         "changes": {
             "localChanges": {
-                "proposed": [],
-                "signed": [],
-                "acked": []
+                "proposed": [
+                ],
+                "signed": [
+                ],
+                "acked": [
+                ]
             },
             "remoteChanges": {
-                "proposed": [],
-                "acked": [],
-                "signed": []
+                "proposed": [
+                ],
+                "acked": [
+                ],
+                "signed": [
+                ]
             },
             "localNextHtlcId": 0,
             "remoteNextHtlcId": 0
@@ -114,8 +122,10 @@
                 "localCommit": {
                     "index": 0,
                     "spec": {
-                        "htlcsIn": [],
-                        "htlcsOut": [],
+                        "htlcsIn": [
+                        ],
+                        "htlcsOut": [
+                        ],
                         "feerate": 5000,
                         "toLocal": 200000000,
                         "toRemote": 800000000
@@ -132,14 +142,17 @@
                             },
                             "tx": "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"
                         },
-                        "htlcTxsAndSigs": []
+                        "htlcTxsAndSigs": [
+                        ]
                     }
                 },
                 "remoteCommit": {
                     "index": 0,
                     "spec": {
-                        "htlcsIn": [],
-                        "htlcsOut": [],
+                        "htlcsIn": [
+                        ],
+                        "htlcsOut": [
+                        ],
                         "feerate": 5000,
                         "toLocal": 800000000,
                         "toRemote": 200000000
@@ -150,8 +163,10 @@
                 "nextRemoteCommit": null
             }
         ],
-        "inactive": [],
-        "payments": {},
+        "inactive": [
+        ],
+        "payments": {
+        },
         "remoteNextCommitInfo": {
             "left": null,
             "right": "0234ea3e3929ca115acc645d07c40eada7a98d86017614c3fa466d7e19760917e4"