formatting with new ktlint (#312)

.editorconfig

@@ -3,4 +3,6 @@ continuation_indent_size = 4
 ij_kotlin_name_count_to_use_star_import = 2147483647
 ij_kotlin_name_count_to_use_star_import_for_members = 2147483647
 ij_kotlin_packages_to_use_import_on_demand = dummy.**
-ij_groovy_names_count_to_use_import_on_demand = 2147483647
+ij_groovy_names_count_to_use_import_on_demand = 2147483647
+ij_kotlin_allow_trailing_comma_on_call_site = true
+ij_kotlin_allow_trailing_comma = true

.github/workflows/test.yaml

@@ -36,6 +36,8 @@ jobs:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Check
         run: make test
+        env:
+          CI: true
 
       - name: Upload Coverage Report
         uses: codecov/codecov-action@v1

Makefile

@@ -15,7 +15,7 @@ jib: build-foundation
 
 jib-docker: build-foundation
 	./gradlew jibDockerBuild -Pdocker=drpcorg
-	
+
 clean:
 	./gradlew clean;
 	cd foundation && ../gradlew clean

gradle/libs.versions.toml

@@ -151,5 +151,5 @@ jib = { id = "com.google.cloud.tools.jib", version = "2.7.1" }
 spring = { id = "org.springframework.boot", version = "2.6.0" }
 git = { id = "com.palantir.git-version", version = "0.12.3" }
 protobuf = { id = "com.google.protobuf", version = "0.9.1" }
-ktlint = { id = "org.jlleitschuh.gradle.ktlint", version = "10.2.0" }
+ktlint = { id = "org.jlleitschuh.gradle.ktlint", version = "11.6.0" }
 detekt = { id = "io.gitlab.arturbosch.detekt", version.ref = "detekt" }

src/main/kotlin/io/emeraldpay/dshackle/ChainValue.kt

@@ -24,7 +24,7 @@ import kotlin.concurrent.withLock
  * Keeps a lazily created value associated with a Chain
  */
 class ChainValue<V>(
-    private val factory: (chain: Chain) -> V
+    private val factory: (chain: Chain) -> V,
 ) {
 
     private val values = EnumMap<Chain, V>(Chain::class.java)

src/main/kotlin/io/emeraldpay/dshackle/FileResolver.kt

@@ -19,7 +19,7 @@ package io.emeraldpay.dshackle
 import java.io.File
 
 open class FileResolver(
-    private val baseDir: File
+    private val baseDir: File,
 ) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/GrpcServer.kt

@@ -45,7 +45,7 @@ open class GrpcServer(
     private val tlsSetup: TlsSetup,
     private val accessHandler: AccessHandlerGrpc,
     private val grpcServerBraveInterceptor: ServerInterceptor,
-    private val authInterceptor: AuthInterceptor
+    private val authInterceptor: AuthInterceptor,
 ) {
     @Value("\${spring.application.max-metadata-size}")
     private var maxMetadataSize: Int = Defaults.maxMetadataSize
@@ -58,7 +58,7 @@ open class GrpcServer(
         override fun <ReqT : Any, RespT : Any> interceptCall(
             call: ServerCall<ReqT, RespT>,
             headers: io.grpc.Metadata,
-            next: ServerCallHandler<ReqT, RespT>
+            next: ServerCallHandler<ReqT, RespT>,
         ): ServerCall.Listener<ReqT> {
             call.setCompression(Codec.Gzip().messageEncoding)
             return next.startCall(call, headers)
@@ -102,15 +102,16 @@ open class GrpcServer(
         val pool = Executors.newFixedThreadPool(20, CustomizableThreadFactory("fixed-grpc-"))
 
         serverBuilder.executor(
-            if (mainConfig.monitoring.enableExtended)
+            if (mainConfig.monitoring.enableExtended) {
                 ExecutorServiceMetrics.monitor(
                     Metrics.globalRegistry,
                     pool,
                     "fixed-grpc-executor",
-                    Tag.of("reactor_scheduler_id", "_")
+                    Tag.of("reactor_scheduler_id", "_"),
                 )
-            else
+            } else {
                 pool
+            },
         )
 
         val server = serverBuilder.build()

src/main/kotlin/io/emeraldpay/dshackle/HeapDumpCreator.kt

@@ -48,7 +48,7 @@ class HeapDumpCreator {
             val bean = ManagementFactory.newPlatformMXBeanProxy(
                 ManagementFactory.getPlatformMBeanServer(),
                 "com.sun.management:type=HotSpotDiagnostic",
-                HotSpotDiagnosticMXBean::class.java
+                HotSpotDiagnosticMXBean::class.java,
             )
             bean.setVMOption("HeapDumpOnOutOfMemoryError", "true")
             bean.setVMOption("HeapDumpPath", fileName)

src/main/kotlin/io/emeraldpay/dshackle/ProxyStarter.kt

@@ -42,7 +42,7 @@ class ProxyStarter(
     @Autowired private val tlsSetup: TlsSetup,
     @Autowired private val accessHandlerHttp: AccessHandlerHttp,
     // depend on Monitoring, declared here just to ensure it's properly initialized before the Proxy
-    @Autowired private val monitoringSetup: MonitoringSetup
+    @Autowired private val monitoringSetup: MonitoringSetup,
 ) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/TlsSetup.kt

@@ -30,7 +30,7 @@ import java.security.cert.CertificateFactory
 
 @Service
 open class TlsSetup(
-    @Autowired val fileResolver: FileResolver
+    @Autowired val fileResolver: FileResolver,
 ) {
 
     companion object {
@@ -70,12 +70,12 @@ open class TlsSetup(
             val sslContextBuilder = if (grpc) {
                 GrpcSslContexts.forServer(
                     fileResolver.resolve(config.certificate!!),
-                    fileResolver.resolve(config.key!!)
+                    fileResolver.resolve(config.key!!),
                 )
             } else {
                 SslContextBuilder.forServer(
                     fileResolver.resolve(config.certificate!!),
-                    fileResolver.resolve(config.key!!)
+                    fileResolver.resolve(config.key!!),
                 )
             }
             if (config.clientCAs.isNotEmpty()) {
@@ -89,7 +89,7 @@ open class TlsSetup(
                             file.inputStream().use {
                                 cf.generateCertificate(it) as java.security.cert.X509Certificate
                             }
-                        }
+                        },
                 )
                 if (config.clientRequire != null && config.clientRequire!!) {
                     sslContextBuilder.clientAuth(ClientAuth.REQUIRE)

src/main/kotlin/io/emeraldpay/dshackle/auth/AuthContext.kt

@@ -22,6 +22,6 @@ class AuthContext {
     data class TokenWrapper(
         val token: String,
         val issuedAt: Instant,
-        val sessionId: String
+        val sessionId: String,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/auth/AuthInterceptor.kt

@@ -14,17 +14,17 @@ const val REFLECT_METHOD_NAME = "grpc.reflection.v1alpha.ServerReflection/Server
 
 @Component
 class AuthInterceptor(
-    private val authContext: AuthContext
+    private val authContext: AuthContext,
 ) : ServerInterceptor {
     private val specialMethods = setOf(AUTH_METHOD_NAME, REFLECT_METHOD_NAME)
 
     override fun <ReqT : Any, RespT : Any> interceptCall(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         val sessionId = headers.get(
-            Metadata.Key.of(SESSION_ID, ASCII_STRING_MARSHALLER)
+            Metadata.Key.of(SESSION_ID, ASCII_STRING_MARSHALLER),
         )
         val isOrdinaryMethod = !specialMethods.contains(call.methodDescriptor.fullMethodName)
 

src/main/kotlin/io/emeraldpay/dshackle/auth/AuthRpc.kt

@@ -13,7 +13,7 @@ import reactor.core.scheduler.Scheduler
 @Service
 class AuthRpc(
     private val authService: AuthService,
-    private val authScheduler: Scheduler
+    private val authScheduler: Scheduler,
 ) : ReactorAuthGrpc.AuthImplBase() {
 
     companion object {
@@ -39,7 +39,7 @@ class AuthRpc(
                     Mono.error(
                         Status.INTERNAL
                             .withDescription(message)
-                            .asException()
+                            .asException(),
                     )
                 }
             }

src/main/kotlin/io/emeraldpay/dshackle/auth/processor/AuthProcessor.kt

@@ -21,7 +21,8 @@ const val SESSION_ID = "sessionId"
 const val VERSION = "version"
 
 enum class AuthVersion {
-    V1;
+    V1,
+    ;
 
     companion object {
         fun getVersion(version: String) = values().find { it.name == version }
@@ -32,7 +33,7 @@ enum class AuthVersion {
 }
 
 abstract class AuthProcessor(
-    private val authorizationConfig: AuthorizationConfig
+    private val authorizationConfig: AuthorizationConfig,
 ) {
 
     open fun process(keys: KeyReader.Keys, token: String): AuthContext.TokenWrapper {
@@ -60,7 +61,7 @@ abstract class AuthProcessor(
 
 @Component
 open class AuthProcessorV1(
-    authorizationConfig: AuthorizationConfig
+    authorizationConfig: AuthorizationConfig,
 ) : AuthProcessor(authorizationConfig) {
 
     override fun processInternal(privateKey: PrivateKey): AuthContext.TokenWrapper {

src/main/kotlin/io/emeraldpay/dshackle/auth/processor/AuthProcessorResolver.kt

@@ -7,7 +7,7 @@ import org.springframework.stereotype.Component
 
 @Component
 class AuthProcessorResolver(
-    private val authProcessorV1: AuthProcessor
+    private val authProcessorV1: AuthProcessor,
 ) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/auth/service/AuthService.kt

@@ -12,7 +12,7 @@ class AuthService(
     private val authorizationConfig: AuthorizationConfig,
     private val rsaKeyReader: KeyReader,
     private val authProcessorResolver: AuthProcessorResolver,
-    private val authContext: AuthContext
+    private val authContext: AuthContext,
 ) {
 
     fun authenticate(token: String): String {
@@ -24,7 +24,7 @@ class AuthService(
 
         val keys = rsaKeyReader.getKeyPair(
             authorizationConfig.serverConfig.providerPrivateKeyPath,
-            authorizationConfig.serverConfig.externalPublicKeyPath
+            authorizationConfig.serverConfig.externalPublicKeyPath,
         )
         val decodedJwt = JWT.decode(token)
 

src/main/kotlin/io/emeraldpay/dshackle/auth/service/KeyReader.kt

@@ -9,6 +9,6 @@ interface KeyReader {
 
     data class Keys(
         val providerPrivateKey: PrivateKey,
-        val externalPublicKey: PublicKey
+        val externalPublicKey: PublicKey,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/auth/service/RsaKeyReader.kt

@@ -28,7 +28,7 @@ class RsaKeyReader : KeyReader {
 
         return KeyReader.Keys(
             privateKey,
-            pubKey
+            pubKey,
         )
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/cache/BlockByHeight.kt

@@ -26,7 +26,7 @@ import reactor.core.publisher.Mono
  */
 open class BlockByHeight(
     private val heights: Reader<Long, BlockId>,
-    private val blocks: Reader<BlockId, BlockContainer>
+    private val blocks: Reader<BlockId, BlockContainer>,
 ) : Reader<Long, BlockContainer> {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/BlocksMemCache.kt

@@ -23,7 +23,7 @@ import io.emeraldpay.dshackle.reader.Reader
 import reactor.core.publisher.Mono
 
 open class BlocksMemCache(
-    maxSize: Int = 64
+    maxSize: Int = 64,
 ) : Reader<BlockId, BlockContainer> {
 
     private val mapping = Caffeine.newBuilder()

src/main/kotlin/io/emeraldpay/dshackle/cache/BlocksRedisCache.kt

@@ -33,7 +33,7 @@ import java.time.Instant
  */
 class BlocksRedisCache(
     redis: RedisReactiveCommands<String, ByteArray>,
-    chain: Chain
+    chain: Chain,
 ) : Reader<BlockId, BlockContainer>,
     OnBlockRedisCache<BlockContainer>(redis, chain, CachesProto.ValueContainer.ValueType.BLOCK) {
 
@@ -69,7 +69,7 @@ class BlocksRedisCache(
             BlockId.from(meta.parentHash.toByteArray()),
             meta.txHashesList.map {
                 TxId(it.toByteArray())
-            }
+            },
         )
     }
 

src/main/kotlin/io/emeraldpay/dshackle/cache/Caches.kt

@@ -40,7 +40,7 @@ open class Caches(
     private val redisTxsByHash: TxRedisCache?,
     private val redisReceipts: ReceiptRedisCache?,
     private val redisHeightByHashCache: HeightByHashRedisCache?,
-    private val cacheEnabled: Boolean
+    private val cacheEnabled: Boolean,
 ) {
 
     companion object {
@@ -153,7 +153,7 @@ open class Caches(
                             Flux.fromIterable(transactions)
                                 .doOnNext { memTxsByHash.add(it) }
                                 .flatMap { redisTxsByHash.add(it, block) }
-                                .then()
+                                .then(),
                         )
                     }
                 }
@@ -224,7 +224,7 @@ open class Caches(
         /**
          * Data requested by client
          */
-        REQUESTED
+        REQUESTED,
     }
 
     class Builder {
@@ -298,7 +298,7 @@ open class Caches(
             }
             return Caches(
                 blocksByHash!!, blocksByHeight!!, txsByHash!!, receipts!!,
-                redisBlocksByHash, redisTxsByHash, redisReceiptCache, redisHeightByHashCache, cacheEnabled
+                redisBlocksByHash, redisTxsByHash, redisReceiptCache, redisHeightByHashCache, cacheEnabled,
             )
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/cache/CachesFactory.kt

@@ -33,7 +33,7 @@ import kotlin.system.exitProcess
 
 @Repository
 open class CachesFactory(
-    @Autowired private val cacheConfig: CacheConfig
+    @Autowired private val cacheConfig: CacheConfig,
 ) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/HeightByHashAdding.kt

@@ -31,7 +31,7 @@ import reactor.core.publisher.Mono
 class HeightByHashAdding(
     private val mem: Reader<BlockId, Long>,
     private val redis: HeightByHashCache?,
-    private val upstreamReader: Reader<BlockId, BlockContainer>
+    private val upstreamReader: Reader<BlockId, BlockContainer>,
 ) : Reader<BlockId, Long> {
 
     companion object {
@@ -50,12 +50,12 @@ class HeightByHashAdding(
                     return mem.read(key)
                         .switchIfEmpty(
                             Mono.just(key)
-                                .flatMap { redis.read(it) }
+                                .flatMap { redis.read(it) },
                         )
                         .switchIfEmpty(
                             Mono.just(key)
                                 .flatMap { upstreamReader.read(it) }
-                                .flatMap { redis.add(it).then(Mono.just(it.height)) }
+                                .flatMap { redis.add(it).then(Mono.just(it.height)) },
                         )
                 }
             }
@@ -66,7 +66,7 @@ class HeightByHashAdding(
                         .switchIfEmpty(
                             Mono.just(key)
                                 .flatMap { upstreamReader.read(it) }
-                                .map { it.height }
+                                .map { it.height },
                         )
                 }
             }

src/main/kotlin/io/emeraldpay/dshackle/cache/HeightByHashMemCache.kt

@@ -23,7 +23,7 @@ import org.slf4j.LoggerFactory
 import reactor.core.publisher.Mono
 
 open class HeightByHashMemCache(
-    maxSize: Int = 256
+    maxSize: Int = 256,
 ) : Reader<BlockId, Long> {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/HeightByHashRedisCache.kt

@@ -33,7 +33,7 @@ import java.util.concurrent.TimeUnit
  */
 class HeightByHashRedisCache(
     private val redis: RedisReactiveCommands<String, ByteArray>,
-    private val chain: Chain
+    private val chain: Chain,
 ) : Reader<BlockId, Long>, HeightByHashCache {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/HeightCache.kt

@@ -25,7 +25,7 @@ import reactor.core.publisher.Mono
  * Memory cache for blocks heights, keeps mapping height->hash.
  */
 open class HeightCache(
-    maxSize: Int = 512
+    maxSize: Int = 512,
 ) : Reader<Long, BlockId> {
 
     private val heights = Caffeine.newBuilder()

src/main/kotlin/io/emeraldpay/dshackle/cache/OnBlockRedisCache.kt

@@ -32,7 +32,7 @@ import kotlin.math.min
 abstract class OnBlockRedisCache<T>(
     private val redis: RedisReactiveCommands<String, ByteArray>,
     private val chain: Chain,
-    private val valueType: ValueContainer.ValueType
+    private val valueType: ValueContainer.ValueType,
 ) : Reader<BlockId, T> {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/OnTxRedisCache.kt

@@ -32,7 +32,7 @@ import kotlin.math.min
 abstract class OnTxRedisCache<T>(
     private val redis: RedisReactiveCommands<String, ByteArray>,
     private val chain: Chain,
-    private val valueType: CachesProto.ValueContainer.ValueType
+    private val valueType: CachesProto.ValueContainer.ValueType,
 ) : Reader<TxId, T> {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/ReceiptMemCache.kt

@@ -29,7 +29,7 @@ import reactor.core.publisher.Mono
  */
 open class ReceiptMemCache(
     // how many blocks to keeps in memory
-    val blocks: Int = 6
+    val blocks: Int = 6,
 ) : Reader<TxId, ByteArray> {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/ReceiptRedisCache.kt

@@ -24,7 +24,7 @@ import reactor.core.publisher.Mono
 
 open class ReceiptRedisCache(
     redis: RedisReactiveCommands<String, ByteArray>,
-    chain: Chain
+    chain: Chain,
 ) : OnTxRedisCache<ByteArray>(redis, chain, CachesProto.ValueContainer.ValueType.TX_RECEIPT) {
 
     override fun deserializeValue(value: CachesProto.ValueContainer): ByteArray {

src/main/kotlin/io/emeraldpay/dshackle/cache/TxMemCache.kt

@@ -29,7 +29,7 @@ import reactor.core.publisher.Mono
  */
 open class TxMemCache(
     // usually there is 100-150 tx per block on Ethereum, we keep data for about 32 blocks by default
-    private val maxSize: Int = 125 * 32
+    private val maxSize: Int = 125 * 32,
 ) : Reader<TxId, TxContainer> {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/cache/TxRedisCache.kt

@@ -32,7 +32,7 @@ import reactor.core.publisher.Mono
  */
 open class TxRedisCache(
     private val redis: RedisReactiveCommands<String, ByteArray>,
-    private val chain: Chain
+    private val chain: Chain,
 ) : Reader<TxId, TxContainer>,
     OnTxRedisCache<TxContainer>(redis, chain, CachesProto.ValueContainer.ValueType.TX) {
 
@@ -65,7 +65,7 @@ open class TxRedisCache(
             meta.height,
             TxId(meta.hash.toByteArray()),
             BlockId(meta.blockHash.toByteArray()),
-            value.value.toByteArray()
+            value.value.toByteArray(),
         )
     }
 

src/main/kotlin/io/emeraldpay/dshackle/commons/SharedFluxHolder.kt

@@ -17,7 +17,7 @@ class SharedFluxHolder<T>(
      * I.e., if there is a few calls because of a thread-race only one is kept.
      * But once it's completed a new one may be created if requested.
      */
-    private val provider: () -> Flux<T>
+    private val provider: () -> Flux<T>,
 ) {
 
     companion object {
@@ -41,7 +41,7 @@ class SharedFluxHolder<T>(
             provider.invoke()
                 .share()
                 .doFinally { onClose(id) },
-            id
+            id,
         )
         lock.write {
             if (current != null) {

src/main/kotlin/io/emeraldpay/dshackle/config/AccessLogConfig.kt

@@ -2,7 +2,7 @@ package io.emeraldpay.dshackle.config
 
 class AccessLogConfig(
     val enabled: Boolean = false,
-    val includeMessages: Boolean = false
+    val includeMessages: Boolean = false,
 ) {
 
     var filename: String = "./access_log.jsonl"
@@ -15,7 +15,7 @@ class AccessLogConfig(
 
         fun disabled(): AccessLogConfig {
             return AccessLogConfig(
-                enabled = false
+                enabled = false,
             )
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/config/AuthConfig.kt

@@ -30,17 +30,17 @@ class AuthConfig {
 
     class ClientBasicAuth(
         val username: String,
-        val password: String
+        val password: String,
     ) : ClientAuth()
 
     class ClientTlsAuth(
         var ca: String? = null,
         var certificate: String? = null,
-        var key: String? = null
+        var key: String? = null,
     ) : ClientAuth()
 
     class ClientTokenAuth(
-        var publicKeyPath: String? = null
+        var publicKeyPath: String? = null,
     )
 
     /**

src/main/kotlin/io/emeraldpay/dshackle/config/AuthorizationConfig.kt

@@ -4,7 +4,7 @@ data class AuthorizationConfig(
     val enabled: Boolean,
     val publicKeyOwner: String,
     val serverConfig: ServerConfig,
-    val clientConfig: ClientConfig
+    val clientConfig: ClientConfig,
 ) {
 
     fun hasServerConfig() = serverConfig != ServerConfig.default()
@@ -12,15 +12,16 @@ data class AuthorizationConfig(
     companion object {
         @JvmStatic
         fun default() = AuthorizationConfig(
-            false, "",
+            false,
+            "",
             ServerConfig.default(),
-            ClientConfig.default()
+            ClientConfig.default(),
         )
     }
 
     data class ServerConfig(
         val providerPrivateKeyPath: String,
-        val externalPublicKeyPath: String
+        val externalPublicKeyPath: String,
     ) {
         companion object {
             @JvmStatic

src/main/kotlin/io/emeraldpay/dshackle/config/CacheConfig.kt

@@ -25,6 +25,6 @@ class CacheConfig {
         var host: String = "127.0.0.1",
         var port: Int = 6379,
         var db: Int? = 0,
-        var password: String? = null
+        var password: String? = null,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/config/CompressionConfig.kt

@@ -1,7 +1,7 @@
 package io.emeraldpay.dshackle.config
 
 open class CompressionConfig(
-    var grpc: GRPC = GRPC()
+    var grpc: GRPC = GRPC(),
 ) {
     /**
      * Config example:
@@ -16,7 +16,7 @@ open class CompressionConfig(
      */
     class GRPC(
         var serverEnabled: Boolean = true,
-        var clientEnabled: Boolean = true
+        var clientEnabled: Boolean = true,
     )
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/config/HealthConfig.kt

@@ -40,6 +40,6 @@ class HealthConfig {
 
     data class ChainConfig(
         val blockchain: Chain,
-        val minAvailable: Int = 1
+        val minAvailable: Int = 1,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/config/InvalidConfigException.kt

@@ -19,11 +19,11 @@ package io.emeraldpay.dshackle.config
 import org.yaml.snakeyaml.error.Mark
 
 open class InvalidConfigException(
-    message: String
+    message: String,
 ) : Exception(message)
 
 class InvalidConfigYamlException(
     filename: String,
     mark: Mark,
-    message: String
+    message: String,
 ) : InvalidConfigException("Invalid YAML configuration $message, at $filename:${mark.line}")

src/main/kotlin/io/emeraldpay/dshackle/config/MonitoringConfig.kt

@@ -17,7 +17,7 @@ package io.emeraldpay.dshackle.config
 
 class MonitoringConfig(
     val enabled: Boolean,
-    val prometheus: PrometheusConfig
+    val prometheus: PrometheusConfig,
 ) {
 
     companion object {
@@ -37,7 +37,7 @@ class MonitoringConfig(
         val enabled: Boolean,
         val path: String,
         val host: String,
-        val port: Int
+        val port: Int,
     ) {
         companion object {
             fun default(): PrometheusConfig {

src/main/kotlin/io/emeraldpay/dshackle/config/ProxyConfig.kt

@@ -73,6 +73,6 @@ open class ProxyConfig {
         /**
          * Blockchain to dispatch requests
          */
-        val blockchain: Chain
+        val blockchain: Chain,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/config/SignatureConfig.kt

@@ -5,7 +5,8 @@ import java.util.Locale
 class SignatureConfig {
 
     enum class Algorithm {
-        NIST_P256;
+        NIST_P256,
+        ;
 
         fun getCurveName(): String {
             return if (this == NIST_P256) {
@@ -30,6 +31,7 @@ class SignatureConfig {
      * Signature scheme that we should use
      */
     var algorithm: Algorithm = Algorithm.NIST_P256
+
     /**
      * Should we generate signature on this instance if it's not already present
      */

src/main/kotlin/io/emeraldpay/dshackle/config/TokensConfig.kt

@@ -20,7 +20,7 @@ import io.emeraldpay.dshackle.Chain
 import io.emeraldpay.etherjar.domain.Address
 
 class TokensConfig(
-    val tokens: List<Token>
+    val tokens: List<Token>,
 ) {
 
     class Token {
@@ -49,6 +49,6 @@ class TokensConfig(
     }
 
     enum class Type {
-        ERC20
+        ERC20,
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/config/UpstreamsConfig.kt

@@ -135,6 +135,7 @@ open class UpstreamsConfig {
         BITCOIN_JSON_RPC("bitcoin"),
         DSHACKLE("dshackle", "grpc"),
         UNKNOWN("unknown"),
+
         ;
 
         private val code: Array<out String>

src/main/kotlin/io/emeraldpay/dshackle/config/context/MultistreamsConfig.kt

@@ -24,7 +24,7 @@ open class MultistreamsConfig(val beanFactory: ConfigurableListableBeanFactory)
         callTargetsHolder: CallTargetsHolder,
         @Qualifier("headScheduler")
         headScheduler: Scheduler,
-        tracer: Tracer
+        tracer: Tracer,
     ): List<Multistream> {
         return Chain.values()
             .filterNot { it == Chain.UNSPECIFIED }
@@ -41,7 +41,7 @@ open class MultistreamsConfig(val beanFactory: ConfigurableListableBeanFactory)
         chain: Chain,
         cachesFactory: CachesFactory,
         headScheduler: Scheduler,
-        tracer: Tracer
+        tracer: Tracer,
     ): EthereumMultistream {
         val name = "multi-ethereum-$chain"
 
@@ -50,7 +50,7 @@ open class MultistreamsConfig(val beanFactory: ConfigurableListableBeanFactory)
             CopyOnWriteArrayList(),
             cachesFactory.getCaches(chain),
             headScheduler,
-            tracer
+            tracer,
         ).also { register(it, name) }
     }
 
@@ -58,7 +58,7 @@ open class MultistreamsConfig(val beanFactory: ConfigurableListableBeanFactory)
         chain: Chain,
         cachesFactory: CachesFactory,
         headScheduler: Scheduler,
-        tracer: Tracer
+        tracer: Tracer,
     ): EthereumPosMultiStream {
         val name = "multi-ethereum-pos-$chain"
 
@@ -67,14 +67,14 @@ open class MultistreamsConfig(val beanFactory: ConfigurableListableBeanFactory)
             CopyOnWriteArrayList(),
             cachesFactory.getCaches(chain),
             headScheduler,
-            tracer
+            tracer,
         ).also { register(it, name) }
     }
 
     open fun bitcoinMultistream(
         chain: Chain,
         cachesFactory: CachesFactory,
-        headScheduler: Scheduler
+        headScheduler: Scheduler,
     ): BitcoinMultistream {
         val name = "multi-bitcoin-$chain"
 
@@ -82,7 +82,7 @@ open class MultistreamsConfig(val beanFactory: ConfigurableListableBeanFactory)
             chain,
             ArrayList(),
             cachesFactory.getCaches(chain),
-            headScheduler
+            headScheduler,
         ).also { register(it, name) }
     }
 

src/main/kotlin/io/emeraldpay/dshackle/config/context/SchedulersConfig.kt

@@ -52,14 +52,15 @@ open class SchedulersConfig {
     private fun makePool(name: String, size: Int, monitoringConfig: MonitoringConfig): ExecutorService {
         val pool = Executors.newFixedThreadPool(size, CustomizableThreadFactory("$name-"))
 
-        return if (monitoringConfig.enableExtended)
+        return if (monitoringConfig.enableExtended) {
             ExecutorServiceMetrics.monitor(
                 Metrics.globalRegistry,
                 pool,
                 name,
-                Tag.of("reactor_scheduler_id", "_")
+                Tag.of("reactor_scheduler_id", "_"),
             )
-        else
+        } else {
             pool
+        }
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/config/spans/Export.kt

@@ -25,12 +25,13 @@ class NoResponseSpanExportable : SpanExportable {
 @Component
 class LongResponseSpanExportable(
     @Value("\${spans.collect.long-span-threshold}")
-    private val longSpanThreshold: Long? = null
+    private val longSpanThreshold: Long? = null,
 ) : SpanExportable {
 
     override fun isExportable(span: MutableSpan): Boolean {
         return MILLISECONDS.convert(
-            span.finishTimestamp() - span.startTimestamp(), MICROSECONDS
+            span.finishTimestamp() - span.startTimestamp(),
+            MICROSECONDS,
         ) >= longSpanThreshold!!
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/config/spans/ProviderSpanHandler.kt

@@ -79,6 +79,6 @@ class ProviderSpanHandler(
 
     private data class SpansInfo(
         var exportable: Boolean = false,
-        val spans: MutableList<MutableSpan> = mutableListOf()
+        val spans: MutableList<MutableSpan> = mutableListOf(),
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/config/spans/ZipkinSSLCustomizer.kt

@@ -79,7 +79,7 @@ class ZipkinSSLCustomizer(private val mainConfig: MainConfig) : ZipkinRestTempla
         override fun intercept(
             request: HttpRequest,
             body: ByteArray,
-            execution: ClientHttpRequestExecution
+            execution: ClientHttpRequestExecution,
         ): ClientHttpResponse {
             request.headers.add("Content-Encoding", "gzip")
             val gzipped = ByteArrayOutputStream()

src/main/kotlin/io/emeraldpay/dshackle/data/BlockContainer.kt

@@ -57,7 +57,7 @@ class BlockContainer(
                 parsed = block,
                 transactions = block.transactions?.map { TxId.from(it.hash) } ?: emptyList(),
                 upstreamId = upstreamId,
-                parentHash = parent
+                parentHash = parent,
             )
         }
 
@@ -65,6 +65,7 @@ class BlockContainer(
         fun from(block: BlockJson<*>): BlockContainer {
             return from(block, "unknown")
         }
+
         @JvmStatic
         fun from(block: BlockJson<*>, upstream: String): BlockContainer {
             return from(block, Global.objectMapper.writeValueAsBytes(block), upstream)
@@ -103,7 +104,7 @@ class BlockContainer(
 
     fun copyWithRating(nodeRating: Int): BlockContainer {
         return BlockContainer(
-            height, hash, difficulty, timestamp, full, json, parsed, parentHash, transactions, nodeRating
+            height, hash, difficulty, timestamp, full, json, parsed, parentHash, transactions, nodeRating,
         )
     }
 

src/main/kotlin/io/emeraldpay/dshackle/data/BlockId.kt

@@ -21,7 +21,7 @@ import io.emeraldpay.etherjar.domain.BlockHash
 import org.bouncycastle.util.encoders.Hex
 
 class BlockId(
-    value: ByteArray
+    value: ByteArray,
 ) : HashId(value) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/data/DefaultContainer.kt

@@ -22,7 +22,7 @@ class DefaultContainer<T>(
     val blockId: BlockId? = null,
     val height: Long? = null,
     json: ByteArray,
-    parsed: T? = null
+    parsed: T? = null,
 ) : SourceContainer(json, parsed) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/data/HashId.kt

@@ -17,7 +17,7 @@
 package io.emeraldpay.dshackle.data
 
 open class HashId(
-    val value: ByteArray
+    val value: ByteArray,
 ) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/data/SourceContainer.kt

@@ -18,7 +18,7 @@ package io.emeraldpay.dshackle.data
 
 abstract class SourceContainer(
     val json: ByteArray?,
-    private val parsed: Any?
+    private val parsed: Any?,
 ) {
 
     @Suppress("UNCHECKED_CAST")

src/main/kotlin/io/emeraldpay/dshackle/data/TxContainer.kt

@@ -25,7 +25,7 @@ class TxContainer(
     val hash: TxId,
     val blockId: BlockId?,
     json: ByteArray?,
-    parsed: Any? = null
+    parsed: Any? = null,
 ) : SourceContainer(json, parsed) {
 
     companion object {
@@ -46,7 +46,7 @@ class TxContainer(
                 TxId.from(tx.hash),
                 tx.blockHash?.let { BlockId.from(it) },
                 raw,
-                tx
+                tx,
             )
         }
 
@@ -56,7 +56,7 @@ class TxContainer(
                 TxId.from(tx.hash),
                 tx.blockHash?.let { BlockId.from(it) },
                 raw,
-                tx
+                tx,
             )
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/data/TxId.kt

@@ -21,7 +21,7 @@ import io.emeraldpay.etherjar.rpc.json.TransactionJson
 import org.bouncycastle.util.encoders.Hex
 
 class TxId(
-    value: ByteArray
+    value: ByteArray,
 ) : HashId(value) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/monitoring/HealthCheckSetup.kt

@@ -30,7 +30,7 @@ import javax.annotation.PreDestroy
 @Service
 class HealthCheckSetup(
     @Autowired private val healthConfig: HealthConfig,
-    @Autowired private val multistreamHolder: MultistreamHolder
+    @Autowired private val multistreamHolder: MultistreamHolder,
 ) {
 
     companion object {
@@ -51,9 +51,9 @@ class HealthCheckSetup(
             server = HttpServer.create(
                 InetSocketAddress(
                     healthConfig.host,
-                    healthConfig.port
+                    healthConfig.port,
                 ),
-                0
+                0,
             )
             server.createContext(healthConfig.path) { httpExchange ->
                 val response = if (httpExchange.requestURI.query == "detailed") {
@@ -115,8 +115,12 @@ class HealthCheckSetup(
                     if (avail < required.minAvailable) {
                         chainUnavailable = true
                         listOf("  LACKS MIN AVAILABILITY")
-                    } else emptyList()
-                } else emptyList()
+                    } else {
+                        emptyList()
+                    }
+                } else {
+                    emptyList()
+                }
                 val upDetails = ups.map {
                     "  ${it.getId()} ${it.getStatus()} with lag=${it.getLag()}"
                 }
@@ -131,10 +135,12 @@ class HealthCheckSetup(
                 .map {
                     "${it.blockchain.name} UNAVAILABLE"
                 }
-        } else emptyList()
+        } else {
+            emptyList()
+        }
         return Detailed(
             allEnabled && !anyUnavailable,
-            detailsUnavailable + details
+            detailsUnavailable + details,
         )
     }
 
@@ -148,6 +154,6 @@ class HealthCheckSetup(
 
     data class Detailed(
         val ok: Boolean,
-        val details: List<String>
+        val details: List<String>,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/monitoring/MonitoringSetup.kt

@@ -38,7 +38,7 @@ import javax.annotation.PostConstruct
 
 @Service
 class MonitoringSetup(
-    @Autowired private val monitoringConfig: MonitoringConfig
+    @Autowired private val monitoringConfig: MonitoringConfig,
 ) {
 
     companion object {
@@ -49,15 +49,17 @@ class MonitoringSetup(
     fun setup() {
         val prometheusRegistry = PrometheusMeterRegistry(PrometheusConfig.DEFAULT)
         Metrics.globalRegistry.add(prometheusRegistry)
-        Metrics.globalRegistry.config().meterFilter(object : MeterFilter {
-            override fun map(id: Meter.Id): Meter.Id {
-                if (id.name.startsWith("jvm") || id.name.startsWith("process") || id.name.startsWith("system")) {
-                    return id
-                } else {
-                    return id.withName("dshackle." + id.name)
+        Metrics.globalRegistry.config().meterFilter(
+            object : MeterFilter {
+                override fun map(id: Meter.Id): Meter.Id {
+                    if (id.name.startsWith("jvm") || id.name.startsWith("process") || id.name.startsWith("system")) {
+                        return id
+                    } else {
+                        return id.withName("dshackle." + id.name)
+                    }
                 }
-            }
-        })
+            },
+        )
 
         if (monitoringConfig.enableJvm) {
             ClassLoaderMetrics().bindTo(Metrics.globalRegistry)
@@ -78,9 +80,9 @@ class MonitoringSetup(
                 val server = HttpServer.create(
                     InetSocketAddress(
                         monitoringConfig.prometheus.host,
-                        monitoringConfig.prometheus.port
+                        monitoringConfig.prometheus.port,
                     ),
-                    0
+                    0,
                 )
                 server.createContext(monitoringConfig.prometheus.path) { httpExchange ->
                     val response = prometheusRegistry.scrape()

src/main/kotlin/io/emeraldpay/dshackle/monitoring/accesslog/AccessHandlerGrpc.kt

@@ -29,7 +29,7 @@ import java.time.Instant
 
 @Service
 class AccessHandlerGrpc(
-    @Autowired private val accessLogWriter: AccessLogWriter
+    @Autowired private val accessLogWriter: AccessLogWriter,
 ) : ServerInterceptor {
 
     companion object {
@@ -39,9 +39,8 @@ class AccessHandlerGrpc(
     override fun <ReqT : Any, RespT : Any> interceptCall(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
-
         return when (val method = call.methodDescriptor.bareMethodName) {
             "SubscribeHead" -> processSubscribeHead(call, headers, next)
             "SubscribeBalance" -> processSubscribeBalance(call, headers, next, true)
@@ -63,15 +62,17 @@ class AccessHandlerGrpc(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
         next: ServerCallHandler<ReqT, RespT>,
-        builder: EventsBuilder.RequestReply<E, ReqT, RespT>
+        builder: EventsBuilder.RequestReply<E, ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         builder.start(headers, call.attributes)
         val callWrapper: ServerCall<ReqT, RespT> = StdCallResponse(
-            call, builder, accessLogWriter
+            call,
+            builder,
+            accessLogWriter,
         )
         return StdCallListener(
             next.startCall(callWrapper, headers),
-            builder
+            builder,
         )
     }
 
@@ -79,11 +80,13 @@ class AccessHandlerGrpc(
     private fun <ReqT : Any, RespT : Any> processSubscribeHead(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.SubscribeHead() as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.SubscribeHead() as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
@@ -92,11 +95,13 @@ class AccessHandlerGrpc(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
         next: ServerCallHandler<ReqT, RespT>,
-        subscribe: Boolean
+        subscribe: Boolean,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.SubscribeBalance(subscribe) as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.SubscribeBalance(subscribe) as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
@@ -104,11 +109,13 @@ class AccessHandlerGrpc(
     private fun <ReqT : Any, RespT : Any> processSubscribeTxStatus(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.TxStatus() as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.TxStatus() as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
@@ -116,11 +123,13 @@ class AccessHandlerGrpc(
     private fun <ReqT : Any, RespT : Any> processNativeCall(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.NativeCall(Instant.now()) as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.NativeCall(Instant.now()) as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
@@ -128,11 +137,13 @@ class AccessHandlerGrpc(
     private fun <ReqT : Any, RespT : Any> processNativeSubscribe(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.NativeSubscribe(Events.Channel.GRPC) as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.NativeSubscribe(Events.Channel.GRPC) as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
@@ -140,11 +151,13 @@ class AccessHandlerGrpc(
     private fun <ReqT : Any, RespT : Any> processDescribe(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.Describe() as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.Describe() as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
@@ -152,11 +165,13 @@ class AccessHandlerGrpc(
     private fun <ReqT : Any, RespT : Any> processStatus(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.Status() as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.Status() as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
@@ -164,17 +179,19 @@ class AccessHandlerGrpc(
     private fun <ReqT : Any, RespT : Any> processEstimateFee(
         call: ServerCall<ReqT, RespT>,
         headers: Metadata,
-        next: ServerCallHandler<ReqT, RespT>
+        next: ServerCallHandler<ReqT, RespT>,
     ): ServerCall.Listener<ReqT> {
         return process(
-            call, headers, next,
-            EventsBuilder.EstimateFee() as EventsBuilder.RequestReply<*, ReqT, RespT>
+            call,
+            headers,
+            next,
+            EventsBuilder.EstimateFee() as EventsBuilder.RequestReply<*, ReqT, RespT>,
         )
     }
 
     open class StdCallListener<Req, EB : EventsBuilder.RequestReply<*, Req, *>>(
         val next: ServerCall.Listener<Req>,
-        val builder: EB
+        val builder: EB,
     ) : ForwardingServerCallListener<Req>() {
 
         override fun onMessage(message: Req) {
@@ -190,7 +207,7 @@ class AccessHandlerGrpc(
     open class StdCallResponse<ReqT : Any, RespT : Any, EB : EventsBuilder.RequestReply<*, ReqT, RespT>>(
         val next: ServerCall<ReqT, RespT>,
         val builder: EB,
-        val accessLogWriter: AccessLogWriter
+        val accessLogWriter: AccessLogWriter,
     ) : ForwardingServerCall<ReqT, RespT>() {
 
         override fun getMethodDescriptor(): MethodDescriptor<ReqT, RespT> {
@@ -204,7 +221,7 @@ class AccessHandlerGrpc(
         override fun sendMessage(message: RespT) {
             super.sendMessage(message)
             accessLogWriter.submit(
-                builder.onReply(message)!!
+                builder.onReply(message)!!,
             )
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/monitoring/accesslog/AccessHandlerHttp.kt

@@ -21,7 +21,7 @@ import kotlin.concurrent.withLock
 @Service
 class AccessHandlerHttp(
     @Autowired private val mainConfig: MainConfig,
-    @Autowired accessLogWriter: AccessLogWriter
+    @Autowired accessLogWriter: AccessLogWriter,
 ) {
 
     companion object {
@@ -111,7 +111,7 @@ class AccessHandlerHttp(
     class StandardWsHandlerFactory(
         private val accessLogWriter: AccessLogWriter,
         private val wsRequest: WebsocketInbound,
-        private val blockchain: Chain
+        private val blockchain: Chain,
     ) : WsHandlerFactory {
 
         override fun call(): RequestHandler {
@@ -125,7 +125,7 @@ class AccessHandlerHttp(
 
     abstract class AbstractRequestHandler(
         private val accessLogWriter: AccessLogWriter,
-        private val channel: Events.Channel
+        private val channel: Events.Channel,
     ) : RequestHandler {
         protected var startTs: Instant? = null
         protected var request: BlockchainOuterClass.NativeCallRequest? = null
@@ -159,7 +159,7 @@ class AccessHandlerHttp(
     class StandardHandler(
         accessLogWriter: AccessLogWriter,
         private val httpRequest: HttpServerRequest,
-        private val blockchain: Chain
+        private val blockchain: Chain,
     ) : RequestHandler, AbstractRequestHandler(accessLogWriter, Events.Channel.JSONRPC) {
 
         override fun close() {
@@ -177,7 +177,7 @@ class AccessHandlerHttp(
     class WsRequestHandler(
         accessLogWriter: AccessLogWriter,
         private val wsRequest: WebsocketInbound,
-        private val blockchain: Chain
+        private val blockchain: Chain,
     ) : RequestHandler, AbstractRequestHandler(accessLogWriter, Events.Channel.WSJSONRPC) {
 
         override fun close() {
@@ -195,7 +195,7 @@ class AccessHandlerHttp(
     class WsSubscriptionHandler(
         private val accessLogWriter: AccessLogWriter,
         private val wsRequest: WebsocketInbound,
-        private val blockchain: Chain
+        private val blockchain: Chain,
     ) : SubscriptionHandler {
 
         private var builder: EventsBuilder.NativeSubscribeHttp? = null

src/main/kotlin/io/emeraldpay/dshackle/monitoring/accesslog/AccessLogWriter.kt

@@ -32,7 +32,7 @@ import javax.annotation.PostConstruct
 
 @Repository
 class AccessLogWriter(
-    @Autowired mainConfig: MainConfig
+    @Autowired mainConfig: MainConfig,
 ) {
 
     companion object {

src/main/kotlin/io/emeraldpay/dshackle/monitoring/accesslog/Events.kt

@@ -34,7 +34,7 @@ class Events {
     abstract class Base(
         val id: UUID,
         val method: String,
-        val channel: Channel
+        val channel: Channel,
     ) {
         val version = "accesslog/v1beta"
         var ts = Instant.now()
@@ -44,7 +44,7 @@ class Events {
         val blockchain: Chain,
         method: String,
         id: UUID,
-        channel: Channel
+        channel: Channel,
     ) : Base(id, method, channel)
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -54,7 +54,7 @@ class Events {
         // initial request details
         val request: StreamRequestDetails,
         // index of the current response
-        val index: Int
+        val index: Int,
     ) : ChainBase(blockchain, "SubscribeHead", id, Channel.GRPC)
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -67,7 +67,7 @@ class Events {
         val balanceRequest: BalanceRequest,
         val addressBalance: AddressBalance,
         // index of the current response
-        val index: Int
+        val index: Int,
     ) : ChainBase(blockchain, if (subscribe) "SubscribeBalance" else "GetBalance", id, Channel.GRPC)
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -78,15 +78,15 @@ class Events {
         val txStatusRequest: TxStatusRequest,
         val txStatus: TxStatusResponse,
         // index of the current response
-        val index: Int
+        val index: Int,
     ) : ChainBase(blockchain, "SubscribeTxStatus", id, Channel.GRPC)
 
     data class TxStatusRequest(
-        val txId: String
+        val txId: String,
     )
 
     data class TxStatusResponse(
-        val confirmations: Int
+        val confirmations: Int,
     )
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -113,7 +113,7 @@ class Events {
         val responseBody: String? = null,
         val errorMessage: String? = null,
         val nonce: Long? = null,
-        val signature: String? = null
+        val signature: String? = null,
     ) : ChainBase(blockchain, "NativeCall", id, channel)
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -132,14 +132,14 @@ class Events {
     @JsonInclude(JsonInclude.Include.NON_NULL)
     class Describe(
         id: UUID,
-        val request: StreamRequestDetails
+        val request: StreamRequestDetails,
     ) : Base(id, "Describe", Channel.GRPC)
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
     class Status(
         blockchain: Chain,
         id: UUID,
-        val request: StreamRequestDetails
+        val request: StreamRequestDetails,
     ) : ChainBase(blockchain, "Status", id, Channel.GRPC)
 
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -147,19 +147,19 @@ class Events {
         blockchain: Chain,
         id: UUID,
         val request: StreamRequestDetails,
-        val estimateFee: EstimateFeeDetails
+        val estimateFee: EstimateFeeDetails,
     ) : ChainBase(blockchain, "EstimateFee", id, Channel.GRPC)
 
     data class StreamRequestDetails(
         val id: UUID,
         val start: Instant,
-        val remote: Remote
+        val remote: Remote,
     )
 
     data class Remote(
         val ips: List<String>,
         val ip: String,
-        val userAgent: String
+        val userAgent: String,
     )
 
     data class NativeCallItemDetails(
@@ -167,38 +167,38 @@ class Events {
         val id: Int,
         val payloadSizeBytes: Long,
         val nonce: Long,
-        val requestParams: String? = null
+        val requestParams: String? = null,
     )
 
     data class NativeCallReplyDetails(
         val id: Int,
         val succeed: Boolean,
         val replySizeBytes: Long,
-        val ts: Instant = Instant.now()
+        val ts: Instant = Instant.now(),
     )
 
     data class NativeSubscribeItemDetails(
         val method: String,
-        val payloadSizeBytes: Long
+        val payloadSizeBytes: Long,
     )
 
     data class NativeSubscribeReplyDetails(
         val replySizeBytes: Long,
-        val ts: Instant = Instant.now()
+        val ts: Instant = Instant.now(),
     )
 
     data class BalanceRequest(
         val asset: String,
-        val addressType: String
+        val addressType: String,
     )
 
     data class AddressBalance(
         val asset: String,
-        val address: String
+        val address: String,
     )
 
     data class EstimateFeeDetails(
         val mode: String,
-        val blocks: Int
+        val blocks: Int,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/monitoring/accesslog/EventsBuilder.kt

@@ -66,11 +66,11 @@ class EventsBuilder {
         companion object {
             private val remoteIpHeaders = listOf(
                 "x-real-ip",
-                "x-forwarded-for"
+                "x-forwarded-for",
             )
             private val remoteIpKeys = listOf(
                 Metadata.Key.of("x-real-ip", Metadata.ASCII_STRING_MARSHALLER),
-                Metadata.Key.of("x-forwarded-for", Metadata.ASCII_STRING_MARSHALLER)
+                Metadata.Key.of("x-forwarded-for", Metadata.ASCII_STRING_MARSHALLER),
             )
             private val invalidCharacters = Regex("[\n\t]+")
         }
@@ -78,7 +78,7 @@ class EventsBuilder {
         var requestDetails = Events.StreamRequestDetails(
             UUID.randomUUID(),
             Instant.now(),
-            Events.Remote(emptyList(), "", "")
+            Events.Remote(emptyList(), "", ""),
         )
 
         var chainId: Int = Chain.UNSPECIFIED.id
@@ -107,7 +107,7 @@ class EventsBuilder {
                         aLocal -> 1
                         else -> -1
                     }
-                }
+                },
             ).firstOrNull()
         }
 
@@ -142,8 +142,8 @@ class EventsBuilder {
                     remote = Events.Remote(
                         ips = ips.map { it.hostAddress },
                         ip = ip,
-                        userAgent = userAgent
-                    )
+                        userAgent = userAgent,
+                    ),
                 )
         }
 
@@ -161,8 +161,8 @@ class EventsBuilder {
                     remote = Events.Remote(
                         ips = ips.map { it.hostAddress },
                         ip = ip,
-                        userAgent = userAgent
-                    )
+                        userAgent = userAgent,
+                    ),
                 )
         }
 
@@ -192,8 +192,8 @@ class EventsBuilder {
                     remote = Events.Remote(
                         ips = ips.map { it.hostAddress },
                         ip = ip,
-                        userAgent = userAgent
-                    )
+                        userAgent = userAgent,
+                    ),
                 )
         }
 
@@ -239,7 +239,7 @@ class EventsBuilder {
                 chain,
                 UUID.randomUUID(),
                 requestDetails,
-                index++
+                index++,
             )
         }
     }
@@ -258,7 +258,7 @@ class EventsBuilder {
         override fun onRequest(msg: BlockchainOuterClass.BalanceRequest) {
             balanceRequest = Events.BalanceRequest(
                 msg.asset.code.uppercase(Locale.getDefault()),
-                msg.address.addrTypeCase.name
+                msg.address.addrTypeCase.name,
             )
         }
 
@@ -275,7 +275,7 @@ class EventsBuilder {
                 requestDetails,
                 balanceRequest!!,
                 addressBalance,
-                index++
+                index++,
             )
         }
     }
@@ -298,7 +298,7 @@ class EventsBuilder {
                 requestDetails,
                 txStatusRequest!!,
                 Events.TxStatusResponse(msg.confirmations),
-                index++
+                index++,
             )
         }
 
@@ -329,8 +329,10 @@ class EventsBuilder {
                         item.nonce,
                         if (accessLogConfig.includeMessages) {
                             if (item.payload != null && !item.payload.isEmpty && item.payload.isValidUtf8) item.payload.toStringUtf8() else ""
-                        } else null
-                    )
+                        } else {
+                            null
+                        },
+                    ),
                 )
             }
         }
@@ -350,16 +352,18 @@ class EventsBuilder {
                 channel = Events.Channel.GRPC,
                 responseBody = if (accessLogConfig.includeMessages) {
                     if (msg.payload != null && !msg.payload.isEmpty && msg.payload.isValidUtf8) msg.payload.toStringUtf8() else ""
-                } else null,
+                } else {
+                    null
+                },
                 errorMessage = if (accessLogConfig.includeMessages) msg.errorMessage else null,
                 signature = Hex.encodeHexString(msg.signature.signature.toByteArray()),
-                nonce = msg.signature.nonce
+                nonce = msg.signature.nonce,
             )
         }
 
         fun onReply(
             reply: io.emeraldpay.dshackle.rpc.NativeCall.CallResult,
-            channel: Events.Channel
+            channel: Events.Channel,
         ): Events.NativeCall {
             val item = items.find { it.id == reply.id }!!
             return Events.NativeCall(
@@ -378,13 +382,15 @@ class EventsBuilder {
                     reply.error?.let {
                         it.upstreamError?.message ?: it.message
                     } ?: ""
-                } else null
+                } else {
+                    null
+                },
             )
         }
     }
 
     class NativeSubscribe(
-        val channel: Events.Channel
+        val channel: Events.Channel,
     ) :
         Base<NativeSubscribe>(),
         RequestReply<Events.NativeSubscribe, BlockchainOuterClass.NativeSubscribeRequest, BlockchainOuterClass.NativeSubscribeReplyItem> {
@@ -399,7 +405,7 @@ class EventsBuilder {
             withChain(msg.chain.number)
             this.item = Events.NativeSubscribeItemDetails(
                 msg.method,
-                msg.payload.size().toLong()
+                msg.payload.size().toLong(),
             )
         }
 
@@ -411,14 +417,14 @@ class EventsBuilder {
                 payloadSizeBytes = msg.payload?.size()?.toLong() ?: 0L,
                 id = UUID.randomUUID(),
                 channel = Events.Channel.GRPC,
-                responseBody = if (accessLogConfig.includeMessages) (msg.payload?.toStringUtf8() ?: "") else null
+                responseBody = if (accessLogConfig.includeMessages) (msg.payload?.toStringUtf8() ?: "") else null,
             )
         }
     }
 
     class NativeSubscribeHttp(
         val channel: Events.Channel,
-        chain: Chain
+        chain: Chain,
     ) :
         Base<NativeSubscribeHttp>(),
         RequestReply<Events.NativeSubscribe, Pair<String, ByteArray?>, Long> {
@@ -436,7 +442,7 @@ class EventsBuilder {
         override fun onRequest(msg: Pair<String, ByteArray?>) {
             this.item = Events.NativeSubscribeItemDetails(
                 msg.first,
-                msg.second?.size?.toLong() ?: 0L
+                msg.second?.size?.toLong() ?: 0L,
             )
         }
 
@@ -447,7 +453,7 @@ class EventsBuilder {
                 nativeSubscribe = item!!,
                 payloadSizeBytes = msg,
                 id = UUID.randomUUID(),
-                channel = channel
+                channel = channel,
             )
         }
     }
@@ -466,7 +472,7 @@ class EventsBuilder {
         override fun onReply(msg: BlockchainOuterClass.DescribeResponse): Events.Describe {
             return Events.Describe(
                 id = UUID.randomUUID(),
-                request = requestDetails
+                request = requestDetails,
             )
         }
     }
@@ -486,7 +492,7 @@ class EventsBuilder {
             return Events.Status(
                 blockchain = chain,
                 request = requestDetails,
-                id = UUID.randomUUID()
+                id = UUID.randomUUID(),
             )
         }
     }
@@ -515,8 +521,8 @@ class EventsBuilder {
                 id = UUID.randomUUID(),
                 estimateFee = Events.EstimateFeeDetails(
                     mode = mode,
-                    blocks = blocks
-                )
+                    blocks = blocks,
+                ),
             )
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/proxy/BaseHandler.kt

@@ -40,7 +40,7 @@ abstract class BaseHandler(
         chain: Chain,
         call: ProxyCall,
         handler: AccessHandlerHttp.RequestHandler,
-        preserveBatchOrder: Boolean = false
+        preserveBatchOrder: Boolean = false,
     ): Publisher<String> {
         // return empty response for empty request
         if (call.items.isEmpty()) {

src/main/kotlin/io/emeraldpay/dshackle/proxy/HttpHandler.kt

@@ -81,7 +81,7 @@ class HttpHandler(
     fun processRequest(
         chain: Chain,
         request: Mono<ByteArray>,
-        handler: AccessHandlerHttp.RequestHandler
+        handler: AccessHandlerHttp.RequestHandler,
     ): Flux<ByteBuf> {
         return request
             .map(readRpcJson)

src/main/kotlin/io/emeraldpay/dshackle/proxy/ProxyCall.kt

@@ -26,7 +26,7 @@ class ProxyCall(
     /**
      * Type of the request. The response format depends on it
      */
-    val type: RpcType
+    val type: RpcType,
 ) {
 
     companion object {
@@ -53,6 +53,6 @@ class ProxyCall(
          * Batch passed as Array of Object. It may be one-element array, i.e., single request, though response
          * must be formatted as an Array
          */
-        BATCH
+        BATCH,
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/proxy/ProxyServer.kt

@@ -45,7 +45,7 @@ class ProxyServer(
     nativeCall: NativeCall,
     nativeSubscribe: NativeSubscribe,
     private val tlsSetup: TlsSetup,
-    accessHandler: AccessHandlerHttp.HandlerFactory
+    accessHandler: AccessHandlerHttp.HandlerFactory,
 ) {
 
     companion object {
@@ -82,7 +82,9 @@ class ProxyServer(
     private val httpHandler = HttpHandler(config, readRpcJson, writeRpcJson, nativeCall, accessHandler, requestMetrics)
     private val wsHandler: WebsocketHandler? = if (config.websocketEnabled) {
         WebsocketHandler(readRpcJson, writeRpcJson, nativeCall, nativeSubscribe, accessHandler, requestMetrics)
-    } else null
+    } else {
+        null
+    }
 
     fun start() {
         if (!config.enabled) {

src/main/kotlin/io/emeraldpay/dshackle/proxy/ReadRpcJson.kt

@@ -54,34 +54,34 @@ open class ReadRpcJson : Function<ByteArray, ProxyCall> {
                     throw RpcException(
                         RpcResponseError.CODE_INVALID_REQUEST,
                         "jsonrpc version is not set",
-                        id?.let { JsonRpcResponse.Id.from(it) }
+                        id?.let { JsonRpcResponse.Id.from(it) },
                     )
                 }
                 throw RpcException(
                     RpcResponseError.CODE_INVALID_REQUEST,
                     "Unsupported JSON RPC version: " + json["jsonrpc"].toString(),
-                    id?.let { JsonRpcResponse.Id.from(it) }
+                    id?.let { JsonRpcResponse.Id.from(it) },
                 )
             }
             if (!(json["method"] != null && json["method"] is String)) {
                 throw RpcException(
                     RpcResponseError.CODE_INVALID_REQUEST,
                     "Method is not set",
-                    id?.let { JsonRpcResponse.Id.from(it) }
+                    id?.let { JsonRpcResponse.Id.from(it) },
                 )
             }
             if (json.containsKey("params") && json["params"] !is List<*>) {
                 throw RpcException(
                     RpcResponseError.CODE_INVALID_REQUEST,
                     "Params must be an array",
-                    id?.let { JsonRpcResponse.Id.from(it) }
+                    id?.let { JsonRpcResponse.Id.from(it) },
                 )
             }
             RequestJson<Any>(
                 json["method"].toString(),
                 // params MAY be omitted
                 (json["params"] ?: emptyList<Any>()) as List<*>,
-                id
+                id,
             )
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/proxy/WebsocketHandler.kt

@@ -111,7 +111,7 @@ class WebsocketHandler(
         blockchain: Chain,
         control: MutableMap<String, Sinks.One<Boolean>>,
         requests: Flux<RequestJson<Any>>,
-        eventHandlerFactory: AccessHandlerHttp.WsHandlerFactory
+        eventHandlerFactory: AccessHandlerHttp.WsHandlerFactory,
     ): Flux<String> {
         return requests.flatMap { call ->
             val method = call.method
@@ -126,7 +126,7 @@ class WebsocketHandler(
                             // TODO ineffective to encode the params each time just to get size, ideally should get a reference to the original JSON bytes
                             // but it doesn't happen very ofter, only on initial subscribe only for logs with filter
                             Pair(mp.first, mp.second?.let { Global.objectMapper.writeValueAsBytes(it) })
-                        }
+                        },
                     )
                     val currentControl = Sinks.one<Boolean>()
                     control[subscriptionId] = currentControl
@@ -165,9 +165,9 @@ class WebsocketHandler(
                                 .setId(0)
                                 .setMethod("eth_unsubscribe")
                                 .setPayload(ByteString.copyFromUtf8("[\"$id\"]"))
-                                .build()
+                                .build(),
                         )
-                        .build()
+                        .build(),
                 )
 
                 val p = control.remove(id.toString())
@@ -216,6 +216,6 @@ class WebsocketHandler(
 
     data class WsSubscriptionData(
         val result: Any?,
-        val subscription: String
+        val subscription: String,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/proxy/WriteRpcJson.kt

@@ -103,7 +103,7 @@ open class WriteRpcJson {
             Flux.concat(
                 Mono.just("["),
                 body,
-                Mono.just("]")
+                Mono.just("]"),
             )
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/quorum/AlwaysQuorum.kt

@@ -44,7 +44,7 @@ open class AlwaysQuorum : CallQuorum {
     override fun record(
         response: ByteArray,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ): Boolean {
         result = response
         resolved = true
@@ -56,7 +56,7 @@ open class AlwaysQuorum : CallQuorum {
     override fun record(
         error: JsonRpcException,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ) {
         this.rpcError = error.error
         sig = signature

src/main/kotlin/io/emeraldpay/dshackle/quorum/BroadcastQuorum.kt

@@ -45,7 +45,7 @@ open class BroadcastQuorum() : CallQuorum, ValueAwareQuorum<String>(String::clas
         response: ByteArray,
         responseValue: String?,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ) {
         if (txid == null && responseValue != null) {
             txid = responseValue
@@ -58,7 +58,7 @@ open class BroadcastQuorum() : CallQuorum, ValueAwareQuorum<String>(String::clas
         response: ByteArray?,
         errorMessage: String?,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ) {
         resolvers.add(upstream)
     }

src/main/kotlin/io/emeraldpay/dshackle/quorum/CallQuorum.kt

@@ -28,13 +28,13 @@ interface CallQuorum {
     fun record(
         response: ByteArray,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ): Boolean
 
     fun record(
         error: JsonRpcException,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     )
     fun getSignature(): ResponseSigner.Signature?
 

src/main/kotlin/io/emeraldpay/dshackle/quorum/MaximumValueQuorum.kt

@@ -28,7 +28,7 @@ class MaximumValueQuorum : CallQuorum, ValueAwareQuorum<String>(String::class.ja
         response: ByteArray,
         responseValue: String?,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ) {
         val value = responseValue?.let { str ->
             HexQuantity.from(str).value.toLong()
@@ -51,7 +51,7 @@ class MaximumValueQuorum : CallQuorum, ValueAwareQuorum<String>(String::class.ja
         response: ByteArray?,
         errorMessage: String?,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ) {
         if (max == null) {
             resolvers.add(upstream)

src/main/kotlin/io/emeraldpay/dshackle/quorum/NotLaggingQuorum.kt

@@ -46,7 +46,7 @@ class NotLaggingQuorum(val maxLag: Long = 0) : CallQuorum {
     override fun record(
         response: ByteArray,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ): Boolean {
         val lagging = upstream.getLag()?.run { this > maxLag } ?: true
         if (!lagging) {
@@ -61,7 +61,7 @@ class NotLaggingQuorum(val maxLag: Long = 0) : CallQuorum {
     override fun record(
         error: JsonRpcException,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ) {
         this.rpcError = error.error
         val lagging = upstream.getLag()?.run { this > maxLag } ?: true

src/main/kotlin/io/emeraldpay/dshackle/quorum/NotNullQuorum.kt

@@ -21,7 +21,7 @@ class NotNullQuorum : CallQuorum {
     override fun record(
         response: ByteArray,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ): Boolean {
         allFailed = false
         val receivedNull = response.isEmpty() || Global.nullValue.contentEquals(response)

src/main/kotlin/io/emeraldpay/dshackle/quorum/QuorumRpcReader.kt

@@ -49,7 +49,7 @@ class QuorumRpcReader(
     private val apiControl: ApiSource,
     private val quorum: CallQuorum,
     signer: ResponseSigner?,
-    private val tracer: Tracer
+    private val tracer: Tracer,
 ) : RpcReader(signer) {
 
     companion object {
@@ -142,7 +142,7 @@ class QuorumRpcReader(
         val apiReader = api.getIngressReader()
         val spanParams = mapOf(
             SPAN_REQUEST_API_TYPE to apiReader.javaClass.name,
-            SPAN_REQUEST_UPSTREAM_ID to api.getId()
+            SPAN_REQUEST_UPSTREAM_ID to api.getId(),
         )
         return SpannedReader(apiReader, tracer, API_READER, spanParams)
             .read(key)
@@ -179,7 +179,7 @@ class QuorumRpcReader(
                 // it may use the error message or other details
                 //
                 val cleanErr: JsonRpcException = getError(key, err)
-                quorum.record(cleanErr, null, api,)
+                quorum.record(cleanErr, null, api)
                 // if it's failed after that, then we don't need more calls, stop api source
                 if (quorum.isFailed()) {
                     val msgQuorumFailed = "Quorum is failed, stop api source. Upstream ${api.getId()}, method ${key.method}"
@@ -222,7 +222,7 @@ class QuorumRpcReader(
             val cause = getCause(method) ?: return Mono.empty()
             if (cause.shouldReturnNull) {
                 Mono.just(
-                    Result(Global.nullValue, null, 1, null)
+                    Result(Global.nullValue, null, 1, null),
                 )
             } else {
                 Mono.error(RpcException(1, "No response for method $method. Cause - ${cause.cause}"))

src/main/kotlin/io/emeraldpay/dshackle/quorum/ValueAwareQuorum.kt

@@ -25,7 +25,7 @@ import io.emeraldpay.etherjar.rpc.RpcException
 import org.slf4j.LoggerFactory
 
 abstract class ValueAwareQuorum<T>(
-    val clazz: Class<T>
+    val clazz: Class<T>,
 ) : CallQuorum {
 
     private val log = LoggerFactory.getLogger(ValueAwareQuorum::class.java)
@@ -39,7 +39,7 @@ abstract class ValueAwareQuorum<T>(
     override fun record(
         response: ByteArray,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ): Boolean {
         try {
             val value = extractValue(response, clazz)
@@ -56,7 +56,7 @@ abstract class ValueAwareQuorum<T>(
     override fun record(
         error: JsonRpcException,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     ) {
         this.rpcError = error.error
         recordError(null, error.error.message, signature, upstream)
@@ -66,14 +66,14 @@ abstract class ValueAwareQuorum<T>(
         response: ByteArray,
         responseValue: T?,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     )
 
     abstract fun recordError(
         response: ByteArray?,
         errorMessage: String?,
         signature: ResponseSigner.Signature?,
-        upstream: Upstream
+        upstream: Upstream,
     )
 
     override fun getError(): JsonRpcError? {

src/main/kotlin/io/emeraldpay/dshackle/reader/BroadcastReader.kt

@@ -20,10 +20,10 @@ class BroadcastReader(
     matcher: Selector.Matcher,
     signer: ResponseSigner?,
     private val quorum: CallQuorum,
-    private val tracer: Tracer
+    private val tracer: Tracer,
 ) : RpcReader(signer) {
     private val internalMatcher = Selector.MultiMatcher(
-        listOf(Selector.AvailabilityMatcher(), matcher)
+        listOf(Selector.AvailabilityMatcher(), matcher),
     )
 
     companion object {
@@ -58,7 +58,7 @@ class BroadcastReader(
                         quorum.getResult()!!,
                         quorum.getSignature(),
                         upstreams.size,
-                        quorum.getResolvedBy().first()
+                        quorum.getResolvedBy().first(),
                     )
                     Mono.just(res)
                 } else {
@@ -69,22 +69,25 @@ class BroadcastReader(
 
     private fun execute(
         key: JsonRpcRequest,
-        upstream: Upstream
+        upstream: Upstream,
     ): Mono<BroadcastResponse> =
         SpannedReader(
-            upstream.getIngressReader(), tracer, BROADCAST_READER, mapOf(SPAN_REQUEST_UPSTREAM_ID to upstream.getId())
+            upstream.getIngressReader(),
+            tracer,
+            BROADCAST_READER,
+            mapOf(SPAN_REQUEST_UPSTREAM_ID to upstream.getId()),
         )
             .read(key)
             .map { BroadcastResponse(it, upstream) }
             .onErrorResume {
                 log.warn("Error during execution ${key.method} from upstream ${upstream.getId()} with message -  ${it.message}")
                 Mono.just(
-                    BroadcastResponse(JsonRpcResponse(null, getError(key, it).error), upstream)
+                    BroadcastResponse(JsonRpcResponse(null, getError(key, it).error), upstream),
                 )
             }
 
     private class BroadcastResponse(
         val jsonRpcResponse: JsonRpcResponse,
-        val upstream: Upstream
+        val upstream: Upstream,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/reader/CompoundReader.kt

@@ -26,7 +26,7 @@ import reactor.core.publisher.Mono
  * Reader returns first value returned by any of the source readers by checking one by one until one of them returns a non-empty result.
  */
 class CompoundReader<K, D> (
-    private vararg val readers: Reader<K, D>
+    private vararg val readers: Reader<K, D>,
 ) : Reader<K, D> {
 
     companion object {
@@ -43,7 +43,7 @@ class CompoundReader<K, D> (
                     .timeout(Defaults.timeoutInternal, Mono.empty())
                     .doOnError { t -> log.warn("Failed to read from $rdr", t) }
                     .onErrorResume { Mono.empty() }
-            }, 1)
+            }, 1,)
             .next()
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/reader/RekeyingReader.kt

@@ -29,7 +29,7 @@ class RekeyingReader<K, K1, D>(
     /**
      * Actual reader
      */
-    private val reader: Reader<K1, D>
+    private val reader: Reader<K1, D>,
 ) : Reader<K, D> {
 
     override fun read(key: K): Mono<D> {

src/main/kotlin/io/emeraldpay/dshackle/reader/RpcReaderFactory.kt

@@ -26,7 +26,7 @@ abstract class RpcReader(
             is JsonRpcException -> err
             else -> JsonRpcException(
                 JsonRpcResponse.NumberId(key.id),
-                JsonRpcError(-32603, "Unhandled internal error: ${err.javaClass}: ${err.message}")
+                JsonRpcError(-32603, "Unhandled internal error: ${err.javaClass}: ${err.message}"),
             )
         }
 
@@ -46,7 +46,7 @@ abstract class RpcReader(
         val value: ByteArray,
         val signature: ResponseSigner.Signature?,
         val quorum: Int,
-        val resolvedBy: Upstream?
+        val resolvedBy: Upstream?,
     )
 }
 
@@ -76,6 +76,6 @@ interface RpcReaderFactory {
         val matcher: Selector.Matcher,
         val quorum: CallQuorum,
         val signer: ResponseSigner?,
-        val tracer: Tracer
+        val tracer: Tracer,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/reader/SpannedReader.kt

@@ -17,7 +17,7 @@ class SpannedReader<K, D>(
     private val reader: Reader<K, D>,
     private val tracer: Tracer,
     private val name: String,
-    private val additionalParams: Map<String, String> = emptyMap()
+    private val additionalParams: Map<String, String> = emptyMap(),
 ) : Reader<K, D> {
 
     override fun read(key: K): Mono<D> {

src/main/kotlin/io/emeraldpay/dshackle/reader/TransformingReader.kt

@@ -29,7 +29,7 @@ class TransformingReader<K, D0, D>(
     /**
      * Result transformation
      */
-    private val transformer: Function<in D0, out D>
+    private val transformer: Function<in D0, out D>,
 ) : Reader<K, D> {
 
     override fun read(key: K): Mono<D> {

src/main/kotlin/io/emeraldpay/dshackle/rpc/BlockchainRpc.kt

@@ -91,12 +91,12 @@ class BlockchainRpc(
                         }
                     }
                     startTime = System.currentTimeMillis()
-                }
+                },
         ).doOnNext { reply ->
             metrics?.getNativeItemMetrics(idsMap[reply.id] ?: "unknown")?.let { itemMetrics ->
                 itemMetrics.nativeItemResponse.record(
                     System.currentTimeMillis() - startTime,
-                    TimeUnit.MILLISECONDS
+                    TimeUnit.MILLISECONDS,
                 )
                 if (!reply.succeed) {
                     itemMetrics.nativeItemResponseErr.increment()
@@ -116,7 +116,7 @@ class BlockchainRpc(
                 .doOnNext {
                     metrics = chainMetrics.get(it.chain)
                     metrics!!.nativeSubscribeMetric.increment()
-                }
+                },
         ).doOnNext {
             metrics?.nativeSubscribeRespMetric?.increment()
         }.doOnError { failMetric.increment() }
@@ -125,7 +125,7 @@ class BlockchainRpc(
     override fun subscribeHead(request: Mono<Common.Chain>): Flux<BlockchainOuterClass.ChainHead> {
         return streamHead.add(
             request
-                .doOnNext { chainMetrics.get(it.type).subscribeHeadMetric.increment() }
+                .doOnNext { chainMetrics.get(it.type).subscribeHeadMetric.increment() },
         ).doOnError { failMetric.increment() }
     }
 
@@ -184,7 +184,7 @@ class BlockchainRpc(
                         .doOnNext {
                             metrics.getBalanceRespMetric.record(
                                 System.currentTimeMillis() - startTime,
-                                TimeUnit.MILLISECONDS
+                                TimeUnit.MILLISECONDS,
                             )
                         }
                 } ?: Flux.error<BlockchainOuterClass.AddressBalance>(SilentException.UnsupportedBlockchain(chain))
@@ -210,7 +210,7 @@ class BlockchainRpc(
                 estimateFee.estimateFee(it).doFinally {
                     metrics.estimateFeeRespMetric.record(
                         System.currentTimeMillis() - startTime,
-                        TimeUnit.MILLISECONDS
+                        TimeUnit.MILLISECONDS,
                     )
                 }
             }

src/main/kotlin/io/emeraldpay/dshackle/rpc/Describe.kt

@@ -28,7 +28,7 @@ import reactor.core.publisher.Mono
 @Service
 class Describe(
     @Autowired private val multistreamHolder: MultistreamHolder,
-    @Autowired private val subscribeStatus: SubscribeStatus
+    @Autowired private val subscribeStatus: SubscribeStatus,
 ) {
 
     fun describe(requestMono: Mono<BlockchainOuterClass.DescribeRequest>): Mono<BlockchainOuterClass.DescribeResponse> {
@@ -56,7 +56,7 @@ class Describe(
                                             .setName(label.key)
                                             .setValue(label.value)
                                             .build()
-                                    }
+                                    },
                                 )
                             chainDescription.addNodes(nodeDetails)
                         }
@@ -68,7 +68,7 @@ class Describe(
                                 Capability.BALANCE -> BlockchainOuterClass.Capabilities.CAP_BALANCE
                                 Capability.WS_HEAD -> BlockchainOuterClass.Capabilities.CAP_WS_HEAD
                             }
-                        }
+                        },
                     )
                     resp.addChains(chainDescription.build())
                 }

src/main/kotlin/io/emeraldpay/dshackle/rpc/EstimateFee.kt

@@ -13,7 +13,7 @@ import reactor.core.publisher.Mono
 
 @Service
 class EstimateFee(
-    @Autowired private val multistreamHolder: MultistreamHolder
+    @Autowired private val multistreamHolder: MultistreamHolder,
 ) {
 
     companion object {
@@ -24,13 +24,13 @@ class EstimateFee(
         val chain = Chain.byId(req.chainValue)
         val up = multistreamHolder.getUpstream(chain) ?: return Mono.error(
             StatusException(
-                Status.UNAVAILABLE.withDescription("BLOCKCHAIN UNAVAILABLE: ${req.chainValue}")
-            )
+                Status.UNAVAILABLE.withDescription("BLOCKCHAIN UNAVAILABLE: ${req.chainValue}"),
+            ),
         )
         val mode = ChainFees.extractMode(req) ?: return Mono.error(
             StatusException(
-                Status.UNAVAILABLE.withDescription("UNSUPPORTED MODE: ${req.mode.number}")
-            )
+                Status.UNAVAILABLE.withDescription("UNSUPPORTED MODE: ${req.mode.number}"),
+            ),
         )
         return up.getFeeEstimation()
             .estimate(mode, req.blocks)

src/main/kotlin/io/emeraldpay/dshackle/rpc/NativeCall.kt

@@ -72,7 +72,7 @@ open class NativeCall(
     private val multistreamHolder: MultistreamHolder,
     private val signer: ResponseSigner,
     config: MainConfig,
-    private val tracer: Tracer
+    private val tracer: Tracer,
 ) {
 
     private val log = LoggerFactory.getLogger(NativeCall::class.java)
@@ -87,7 +87,7 @@ open class NativeCall(
     companion object {
         val casting: Map<BlockchainType, Class<out EthereumLikeMultistream>> = mapOf(
             BlockchainType.EVM_POS to EthereumPosMultiStream::class.java,
-            BlockchainType.EVM_POW to EthereumMultistream::class.java
+            BlockchainType.EVM_POW to EthereumMultistream::class.java,
         )
     }
 
@@ -97,7 +97,7 @@ open class NativeCall(
             multistreamHolder.getUpstream(event.chain).let { up ->
                 ethereumCallSelectors.putIfAbsent(
                     event.chain,
-                    EthereumCallSelector(up.caches)
+                    EthereumCallSelector(up.caches),
                 )
             }
         }
@@ -121,7 +121,7 @@ open class NativeCall(
                 return@flatMap result
                     .onErrorResume { err ->
                         Mono.just(
-                            CallResult.fail(id, 0, err, null)
+                            CallResult.fail(id, 0, err, null),
                         )
                     }
                     .doOnNext { callRes -> completeSpan(callRes, requestCount) }
@@ -153,7 +153,7 @@ open class NativeCall(
         ctx: Context,
         requestCount: Int,
         requestId: String,
-        requestSpan: Span?
+        requestSpan: Span?,
     ): Context {
         if (requestCount > 1) {
             val span = tracer.nextSpan(requestSpan)
@@ -167,7 +167,7 @@ open class NativeCall(
 
     private fun processCallContext(
         callContext: CallContext,
-        requestSpan: Span?
+        requestSpan: Span?,
     ): Mono<CallResult> {
         return if (callContext.isValid()) {
             run {
@@ -186,7 +186,7 @@ open class NativeCall(
             val error = callContext.getError()
 
             Mono.just(
-                CallResult(error.id, 0, null, error, null, null, null)
+                CallResult(error.id, 0, null, error, null, null, null),
             )
         }
     }
@@ -222,7 +222,7 @@ open class NativeCall(
 
     fun buildSignature(
         nonce: Long,
-        signature: ResponseSigner.Signature
+        signature: ResponseSigner.Signature,
     ): BlockchainOuterClass.NativeCallReplySignature {
         val msg = BlockchainOuterClass.NativeCallReplySignature.newBuilder()
         msg.signature = ByteString.copyFrom(signature.value)
@@ -278,7 +278,7 @@ open class NativeCall(
 
     fun prepareCall(
         request: BlockchainOuterClass.NativeCallRequest,
-        upstream: Multistream
+        upstream: Multistream,
     ): Flux<CallContext> {
         val chain = Chain.byId(request.chainValue)
         return Flux.fromIterable(request.itemsList)
@@ -291,7 +291,7 @@ open class NativeCall(
         chain: Chain,
         request: BlockchainOuterClass.NativeCallRequest,
         requestItem: BlockchainOuterClass.NativeCallItem,
-        upstream: Multistream
+        upstream: Multistream,
     ): Mono<CallContext> {
         val requestId = requestItem.requestId
         val requestCount = request.itemsCount
@@ -307,11 +307,11 @@ open class NativeCall(
                         requestItem.id,
                         errorMessage,
                         JsonRpcError(RpcResponseError.CODE_METHOD_NOT_EXIST, errorMessage),
-                        null
+                        null,
                     ),
                     requestId,
-                    requestCount
-                )
+                    requestCount,
+                ),
             )
         }
         // for ethereum the actual block needed for the call may be specified in the call parameters
@@ -352,16 +352,17 @@ open class NativeCall(
                 resultDecorator,
                 selector,
                 requestId,
-                requestCount
+                requestCount,
             )
         }
     }
 
     private fun getRequestDecorator(method: String): RequestDecorator =
-        if (method in DefaultEthereumMethods.withFilterIdMethods)
+        if (method in DefaultEthereumMethods.withFilterIdMethods) {
             WithFilterIdDecorator()
-        else
+        } else {
             NoneRequestDecorator()
+        }
 
     private fun getResultDecorator(method: String): ResultDecorator =
         if (method in DefaultEthereumMethods.newFilterMethods) CreateFilterDecorator() else NoneResultDecorator()
@@ -382,7 +383,7 @@ open class NativeCall(
                         }
                     }
             }.switchIfEmpty(
-                Mono.just(ctx).flatMap(this::executeOnRemote)
+                Mono.just(ctx).flatMap(this::executeOnRemote),
             )
             .onErrorResume {
                 Mono.just(CallResult.fail(ctx.id, ctx.nonce, it, ctx))
@@ -395,7 +396,7 @@ open class NativeCall(
             return Mono.error(RpcException(RpcResponseError.CODE_METHOD_NOT_EXIST, "Unsupported method"))
         }
         val reader = rpcReaderFactory.create(
-            RpcReaderData(ctx.upstream, ctx.payload.method, ctx.matcher, ctx.callQuorum, signer, tracer)
+            RpcReaderData(ctx.upstream, ctx.payload.method, ctx.matcher, ctx.callQuorum, signer, tracer),
         )
         val counter = reader.attempts()
 
@@ -414,20 +415,22 @@ open class NativeCall(
                 Mono.fromSupplier {
                     counter.get().let { attempts ->
                         CallResult.fail(
-                            ctx.id, ctx.nonce,
+                            ctx.id,
+                            ctx.nonce,
                             CallError(1, "No response or no available upstream for ${ctx.payload.method}", null, null),
-                            ctx
+                            ctx,
                         ).also {
                             countFailure(attempts, ctx)
                         }
                     }
-                }
+                },
             )
     }
 
     private fun validateResult(bytes: ByteArray, origin: String, ctx: ValidCallContext<ParsedCallDetails>) {
-        if (bytes.isEmpty() || nullValue.contentEquals(bytes))
+        if (bytes.isEmpty() || nullValue.contentEquals(bytes)) {
             log.warn("Empty result from origin $origin, method ${ctx.payload.method}, params ${ctx.payload.params}")
+        }
     }
 
     private fun errorMessage(attempts: Int, method: String): String =
@@ -467,7 +470,7 @@ open class NativeCall(
 
     abstract class CallContext(
         val requestId: String,
-        val requestCount: Int
+        val requestCount: Int,
     ) {
         abstract fun isValid(): Boolean
         abstract fun <T> get(): ValidCallContext<T>
@@ -528,7 +531,7 @@ open class NativeCall(
         val resultDecorator: ResultDecorator,
         val forwardedSelector: BlockchainOuterClass.Selector?,
         requestId: String,
-        requestCount: Int
+        requestCount: Int,
     ) : CallContext(requestId, requestCount) {
 
         constructor(
@@ -539,10 +542,10 @@ open class NativeCall(
             callQuorum: CallQuorum,
             payload: T,
             requestId: String,
-            requestCount: Int
+            requestCount: Int,
         ) : this(
             id, nonce, upstream, matcher, callQuorum, payload,
-            NoneRequestDecorator(), NoneResultDecorator(), null, requestId, requestCount
+            NoneRequestDecorator(), NoneResultDecorator(), null, requestId, requestCount,
         )
 
         override fun isValid(): Boolean {
@@ -562,7 +565,7 @@ open class NativeCall(
         fun <X> withPayload(payload: X): ValidCallContext<X> {
             return ValidCallContext(
                 id, nonce, upstream, matcher, callQuorum, payload,
-                requestDecorator, resultDecorator, forwardedSelector, requestId, requestCount
+                requestDecorator, resultDecorator, forwardedSelector, requestId, requestCount,
             )
         }
 
@@ -577,7 +580,7 @@ open class NativeCall(
     open class InvalidCallContext(
         private val error: CallError,
         requestId: String,
-        requestCount: Int
+        requestCount: Int,
     ) : CallContext(requestId, requestCount) {
         override fun isValid(): Boolean {
             return false
@@ -601,7 +604,7 @@ open class NativeCall(
         val message: String,
         val upstreamError: JsonRpcError?,
         val data: String?,
-        val upstreamId: String? = null
+        val upstreamId: String? = null,
     ) {
 
         companion object {
@@ -643,7 +646,7 @@ open class NativeCall(
         val error: CallError?,
         val signature: ResponseSigner.Signature?,
         val upstreamId: String?,
-        val ctx: ValidCallContext<ParsedCallDetails>?
+        val ctx: ValidCallContext<ParsedCallDetails>?,
     ) {
 
         constructor(
@@ -652,7 +655,7 @@ open class NativeCall(
             result: ByteArray?,
             callError: CallError?,
             signature: ResponseSigner.Signature?,
-            ctx: ValidCallContext<ParsedCallDetails>?
+            ctx: ValidCallContext<ParsedCallDetails>?,
         ) : this(id, nonce, result, callError, signature, callError?.upstreamId, ctx)
 
         companion object {

src/main/kotlin/io/emeraldpay/dshackle/rpc/NativeCallStream.kt

@@ -14,7 +14,7 @@ class NativeCallStream(
 ) {
 
     fun nativeCall(
-        requestMono: Mono<NativeCallRequest>
+        requestMono: Mono<NativeCallRequest>,
     ): Flux<NativeCallReplyItem> {
         return requestMono.flatMapMany { req ->
             nativeCall.nativeCall(Mono.just(req))
@@ -64,6 +64,6 @@ class NativeCallStream(
 
     private data class StreamNativeResult(
         val response: NativeCallReplyItem,
-        val chunkSize: Int
+        val chunkSize: Int,
     )
 }

src/main/kotlin/io/emeraldpay/dshackle/rpc/NativeSubscribe.kt

@@ -39,7 +39,7 @@ import reactor.core.publisher.Mono
 @Service
 open class NativeSubscribe(
     @Autowired private val multistreamHolder: MultistreamHolder,
-    @Autowired private val signer: ResponseSigner
+    @Autowired private val signer: ResponseSigner,
 ) {
 
     companion object {
@@ -81,17 +81,17 @@ open class NativeSubscribe(
 
     fun convertToStatus(t: Throwable) = when (t) {
         is SilentException.UnsupportedBlockchain -> StatusException(
-            Status.UNAVAILABLE.withDescription("BLOCKCHAIN UNAVAILABLE: ${t.blockchainId}")
+            Status.UNAVAILABLE.withDescription("BLOCKCHAIN UNAVAILABLE: ${t.blockchainId}"),
         )
 
         is UnsupportedOperationException -> StatusException(
-            Status.UNIMPLEMENTED.withDescription(t.message)
+            Status.UNIMPLEMENTED.withDescription(t.message),
         )
 
         else -> {
             log.warn("Unhandled error", t)
             StatusException(
-                Status.INTERNAL.withDescription(t.message)
+                Status.INTERNAL.withDescription(t.message),
             )
         }
     }
@@ -131,7 +131,7 @@ open class NativeSubscribe(
 
     fun buildSignature(
         nonce: Long,
-        signature: ResponseSigner.Signature
+        signature: ResponseSigner.Signature,
     ): BlockchainOuterClass.NativeCallReplySignature {
         val msg = BlockchainOuterClass.NativeCallReplySignature.newBuilder()
         msg.signature = ByteString.copyFrom(signature.value)
@@ -143,11 +143,13 @@ open class NativeSubscribe(
 
     data class ResponseHolder(
         val response: Any,
-        val nonce: Long?
+        val nonce: Long?,
     ) {
         fun getSource(): String? =
             if (response is HasUpstream) {
                 response.upstreamId.takeIf { it != "unknown" }
-            } else null
+            } else {
+                null
+            }
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/rpc/StreamHead.kt

@@ -30,7 +30,7 @@ import reactor.core.publisher.Mono
 
 @Service
 class StreamHead(
-    @Autowired private val multistreamHolder: MultistreamHolder
+    @Autowired private val multistreamHolder: MultistreamHolder,
 ) {
 
     private val log = LoggerFactory.getLogger(StreamHead::class.java)

src/main/kotlin/io/emeraldpay/dshackle/rpc/SubscribeNodeStatus.kt

@@ -21,7 +21,7 @@ import java.util.concurrent.ConcurrentHashMap
 
 @Service
 class SubscribeNodeStatus(
-    private val multistreams: CurrentMultistreamHolder
+    private val multistreams: CurrentMultistreamHolder,
 ) {
 
     companion object {
@@ -38,7 +38,7 @@ class SubscribeNodeStatus(
                         knownUpstreams[up.getId()] = Sinks.many().multicast().directBestEffort()
                         subscribeUpstreamUpdates(ms, up, knownUpstreams[up.getId()]!!)
                     }
-                }
+                },
         )
         // stop removed upstreams update fluxes
         val removals = Flux.merge(
@@ -57,13 +57,13 @@ class SubscribeNodeStatus(
                                 .setStatus(
                                     buildStatus(
                                         UpstreamAvailability.UNAVAILABLE,
-                                        up.getHead().getCurrentHeight()
-                                    )
+                                        up.getHead().getCurrentHeight(),
+                                    ),
                                 )
                                 .build()
                         }
                     }
-                }
+                },
         )
 
         // subscribe on head/status updates for just added upstreams
@@ -85,12 +85,12 @@ class SubscribeNodeStatus(
                                         .setNodeId(it.getId())
                                         .setDescription(buildDescription(ms, it))
                                         .setStatus(buildStatus(it.getStatus(), it.getHead().getCurrentHeight()))
-                                        .build()
+                                        .build(),
                                 ),
-                                subscribeUpstreamUpdates(ms, it, knownUpstreams[it.getId()]!!)
+                                subscribeUpstreamUpdates(ms, it, knownUpstreams[it.getId()]!!),
                             )
                         }
-                }
+                },
         )
         val updates = Flux.merge(
             multistreams.all().map { ms ->
@@ -101,7 +101,7 @@ class SubscribeNodeStatus(
                         .setStatus(buildStatus(it.getStatus(), it.getHead().getCurrentHeight()))
                         .build()
                 }
-            }
+            },
         )
 
         return Flux.merge(upstreamUpdates, adds, removals, updates)
@@ -110,7 +110,7 @@ class SubscribeNodeStatus(
     private fun subscribeUpstreamUpdates(
         ms: Multistream,
         upstream: Upstream,
-        cancel: Sinks.Many<Boolean>
+        cancel: Sinks.Many<Boolean>,
     ): Flux<NodeStatusResponse> {
         val heads = upstream.getHead().getFlux()
             .takeUntilOther(cancel.asFlux())
@@ -121,7 +121,7 @@ class SubscribeNodeStatus(
                         NodeDescription.newBuilder()
                             .setNodeId(upstream.nodeId().toInt())
                             .setChain(Common.ChainRef.forNumber(ms.chain.id))
-                            .build()
+                            .build(),
                     )
                     .setNodeId(upstream.getId())
                     .setStatus(buildStatus(upstream.getStatus(), block.height))
@@ -141,7 +141,7 @@ class SubscribeNodeStatus(
                 .setNodeId(upstream.getId())
                 .setDescription(buildDescription(ms, upstream))
                 .setStatus(buildStatus(upstream.getStatus(), upstream.getHead().getCurrentHeight()))
-                .build()
+                .build(),
         )
         return Flux.concat(currentState, Flux.merge(statuses, heads))
     }
@@ -159,10 +159,10 @@ class SubscribeNodeStatus(
                                     .setName(it.key)
                                     .setValue(it.value)
                                     .build()
-                            }
+                            },
                         )
                         .build()
-                }
+                },
             )
             .addAllSupportedSubscriptions(up.getSubscriptionTopics())
             .addAllSupportedMethods(up.getMethods().getSupportedMethods())

src/main/kotlin/io/emeraldpay/dshackle/rpc/SubscribeStatus.kt

@@ -28,7 +28,7 @@ import reactor.core.publisher.Mono
 
 @Service
 class SubscribeStatus(
-    private val multistreamHolder: MultistreamHolder
+    private val multistreamHolder: MultistreamHolder,
 ) {
 
     fun subscribeStatus(requestMono: Mono<BlockchainOuterClass.StatusRequest>): Flux<BlockchainOuterClass.ChainStatus> {

src/main/kotlin/io/emeraldpay/dshackle/rpc/TrackBitcoinAddress.kt

@@ -43,7 +43,7 @@ import java.util.concurrent.ConcurrentHashMap
 
 @Service
 class TrackBitcoinAddress(
-    @Autowired private val multistreamHolder: MultistreamHolder
+    @Autowired private val multistreamHolder: MultistreamHolder,
 ) : TrackAddress {
 
     companion object {
@@ -66,8 +66,8 @@ class TrackBitcoinAddress(
     private val balanceUpstreamMatcher = Selector.MultiMatcher(
         listOf(
             Selector.GrpcMatcher(),
-            Selector.CapabilityMatcher(Capability.BALANCE)
-        )
+            Selector.CapabilityMatcher(Capability.BALANCE),
+        ),
     )
 
     @EventListener
@@ -119,7 +119,7 @@ class TrackBitcoinAddress(
                     request.address.addressMulti.addressesList
                         .map { addr -> addr.address }
                         // TODO why sorted?
-                        .sorted()
+                        .sorted(),
                 )
             }
             else -> Flux.error(IllegalArgumentException("Unsupported address type"))
@@ -130,7 +130,7 @@ class TrackBitcoinAddress(
         chain: Chain,
         api: BitcoinMultistream,
         addresses: Flux<String>,
-        includeUtxo: Boolean
+        includeUtxo: Boolean,
     ): Flux<AddressBalance> {
         return addresses
             .map { Address(chain, it) }
@@ -148,7 +148,7 @@ class TrackBitcoinAddress(
             .switchIfEmpty(
                 Mono.just(0).map {
                     AddressBalance(address, BigInteger.ZERO)
-                }
+                },
             )
             .onErrorResume { t ->
                 log.error("Failed to get unspent", t)
@@ -164,8 +164,11 @@ class TrackBitcoinAddress(
                 AddressBalance(
                     address,
                     BigInteger.valueOf(it.value),
-                    if (includeUtxo) listOf(BalanceUtxo(it.txid, it.vout, it.value))
-                    else emptyList()
+                    if (includeUtxo) {
+                        listOf(BalanceUtxo(it.txid, it.vout, it.value))
+                    } else {
+                        emptyList()
+                    },
                 )
             }.reduce { a, b -> a.plus(b) }
         }
@@ -183,13 +186,13 @@ class TrackBitcoinAddress(
                 Mono.fromCallable {
                     log.warn("No upstream providing balance for ${api.chain}")
                 }
-                    .then(Mono.error(SilentException.DataUnavailable("BALANCE")))
+                    .then(Mono.error(SilentException.DataUnavailable("BALANCE"))),
             )
     }
 
     fun getRemoteBalance(
         api: BitcoinMultistream,
-        request: BlockchainOuterClass.BalanceRequest
+        request: BlockchainOuterClass.BalanceRequest,
     ): Flux<BlockchainOuterClass.AddressBalance> {
         return getBalanceGrpc(api).flatMapMany { remote ->
             remote.getBalance(request)
@@ -198,7 +201,7 @@ class TrackBitcoinAddress(
 
     fun subscribeRemoteBalance(
         api: BitcoinMultistream,
-        request: BlockchainOuterClass.BalanceRequest
+        request: BlockchainOuterClass.BalanceRequest,
     ): Flux<BlockchainOuterClass.AddressBalance> {
         return getBalanceGrpc(api).flatMapMany { remote ->
             remote.subscribeBalance(request)
@@ -258,7 +261,7 @@ class TrackBitcoinAddress(
             .setAsset(
                 Common.Asset.newBuilder()
                     .setChainValue(address.address.chain.id)
-                    .setCode("BTC")
+                    .setCode("BTC"),
             )
             .setAddress(Common.SingleAddress.newBuilder().setAddress(address.address.address))
             .addAllUtxo(
@@ -268,7 +271,7 @@ class TrackBitcoinAddress(
                         .setIndex(utxo.vout.toLong())
                         .setTxId(utxo.txid)
                         .build()
-                }
+                },
             )
             .build()
     }
@@ -276,7 +279,7 @@ class TrackBitcoinAddress(
     open class AddressBalance(
         val address: Address,
         var balance: BigInteger = BigInteger.ZERO,
-        var utxo: List<BalanceUtxo> = emptyList()
+        var utxo: List<BalanceUtxo> = emptyList(),
     ) {
         constructor(chain: Chain, address: String, balance: BigInteger) : this(Address(chain, address), balance)
 
@@ -293,7 +296,8 @@ class TrackBitcoinAddress(
             TestNet3Params()
         }
         val bitcoinAddress = org.bitcoinj.core.Address.fromString(
-            network, address
+            network,
+            address,
         )
     }
 }

src/main/kotlin/io/emeraldpay/dshackle/rpc/TrackBitcoinTx.kt

@@ -36,7 +36,7 @@ import kotlin.math.min
 
 @Service
 class TrackBitcoinTx(
-    @Autowired private val multistreamHolder: MultistreamHolder
+    @Autowired private val multistreamHolder: MultistreamHolder,
 ) : TrackTx {
 
     companion object {
@@ -91,7 +91,7 @@ class TrackBitcoinTx(
                     true,
                     status.blockHash,
                     ExtractBlock.getTime(block),
-                    ExtractBlock.getDifficulty(block)
+                    ExtractBlock.getDifficulty(block),
                 )
             }.flatMapMany { tx ->
                 withConfirmations(upstream, tx)
@@ -154,7 +154,7 @@ class TrackBitcoinTx(
                 Common.BlockInfo.newBuilder()
                     .setBlockId(tx.blockHash!!.substring(2))
                     .setTimestamp(tx.blockTime!!.toEpochMilli())
-                    .setHeight(tx.height!!)
+                    .setHeight(tx.height!!),
             )
         }
         return data.build()
@@ -168,7 +168,7 @@ class TrackBitcoinTx(
         val blockHash: String? = null,
         val blockTime: Instant? = null,
         val blockTotalDifficulty: BigInteger? = null,
-        val confirmations: Long = 0
+        val confirmations: Long = 0,
     ) {
 
         fun withHead(headHeight: Long) =

src/main/kotlin/io/emeraldpay/dshackle/rpc/TrackERC20Address.kt

@@ -40,7 +40,7 @@ import javax.annotation.PostConstruct
 @Service
 class TrackERC20Address(
     @Autowired private val multistreamHolder: MultistreamHolder,
-    @Autowired private val tokensConfig: TokensConfig
+    @Autowired private val tokensConfig: TokensConfig,
 ) : TrackAddress {
 
     companion object {
@@ -61,7 +61,7 @@ class TrackERC20Address(
             val definition = TokenDefinition(
                 chain,
                 asset,
-                ERC20Token(Address.from(token.address))
+                ERC20Token(Address.from(token.address)),
             )
             tokens[id] = definition
             log.info("Enable ERC20 balance for $chain:$asset")
@@ -134,7 +134,7 @@ class TrackERC20Address(
             .setAsset(
                 Common.Asset.newBuilder()
                     .setChainValue(address.chain.id)
-                    .setCode(address.tokenName.uppercase(Locale.getDefault()))
+                    .setCode(address.tokenName.uppercase(Locale.getDefault())),
             )
             .setAddress(Common.SingleAddress.newBuilder().setAddress(address.address.toHex()))
             .build()
@@ -145,7 +145,7 @@ class TrackERC20Address(
         val address: Address,
         val token: ERC20Token,
         val tokenName: String,
-        val balance: BigInteger? = null
+        val balance: BigInteger? = null,
     ) {
         fun withBalance(balance: BigInteger) = TrackedAddress(chain, address, token, tokenName, balance)
     }

src/main/kotlin/io/emeraldpay/dshackle/rpc/TrackEthereumAddress.kt

@@ -35,7 +35,7 @@ import java.util.Locale
 
 @Service
 class TrackEthereumAddress(
-    @Autowired private val multistreamHolder: MultistreamHolder
+    @Autowired private val multistreamHolder: MultistreamHolder,
 ) : TrackAddress {
 
     private val log = LoggerFactory.getLogger(TrackEthereumAddress::class.java)
@@ -111,7 +111,7 @@ class TrackEthereumAddress(
         val addressParsed = Address.from(address.address)
         return TrackedAddress(
             chain,
-            addressParsed
+            addressParsed,
         )
     }
 
@@ -130,7 +130,7 @@ class TrackEthereumAddress(
             .setAsset(
                 Common.Asset.newBuilder()
                     .setChainValue(address.chain.id)
-                    .setCode("ETHER")
+                    .setCode("ETHER"),
             )
             .setAddress(Common.SingleAddress.newBuilder().setAddress(address.address.toHex()))
             .build()
@@ -139,7 +139,7 @@ class TrackEthereumAddress(
     class TrackedAddress(
         val chain: Chain,
         val address: Address,
-        val balance: Wei? = null
+        val balance: Wei? = null,
     ) {
         fun withBalance(balance: Wei) = TrackedAddress(chain, address, balance)
     }