fix linter problemts

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

@@ -18,7 +18,6 @@ package io.emeraldpay.dshackle.monitoring.accesslog
 import com.fasterxml.jackson.annotation.JsonInclude
 import io.emeraldpay.grpc.Chain
 import org.slf4j.LoggerFactory
-import java.time.Duration
 import java.time.Instant
 import java.util.UUID
 

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

@@ -236,7 +236,10 @@ class EventsBuilder {
 
         override fun onReply(msg: BlockchainOuterClass.ChainHead): Events.SubscribeHead {
             return Events.SubscribeHead(
-                chain, UUID.randomUUID(), requestDetails, index++
+                chain,
+                UUID.randomUUID(),
+                requestDetails,
+                index++
             )
         }
     }
@@ -266,7 +269,13 @@ class EventsBuilder {
             val addressBalance = Events.AddressBalance(msg.asset.code, msg.address.address)
             val chain = Chain.byId(msg.asset.chain.number)
             return Events.SubscribeBalance(
-                chain, UUID.randomUUID(), subscribe, requestDetails, balanceRequest!!, addressBalance, index++
+                chain,
+                UUID.randomUUID(),
+                subscribe,
+                requestDetails,
+                balanceRequest!!,
+                addressBalance,
+                index++
             )
         }
     }
@@ -284,7 +293,10 @@ class EventsBuilder {
 
         override fun onReply(msg: BlockchainOuterClass.TxStatus): Events.TxStatus {
             return Events.TxStatus(
-                chain, UUID.randomUUID(), requestDetails, txStatusRequest!!,
+                chain,
+                UUID.randomUUID(),
+                requestDetails,
+                txStatusRequest!!,
                 Events.TxStatusResponse(msg.confirmations),
                 index++
             )
@@ -295,7 +307,7 @@ class EventsBuilder {
         }
     }
 
-    class NativeCall(private val startTs : Instant) :
+    class NativeCall(private val startTs: Instant) :
         Base<NativeCall>(),
         RequestReply<Events.NativeCall, BlockchainOuterClass.NativeCallRequest, BlockchainOuterClass.NativeCallReplyItem> {
         val items = ArrayList<Events.NativeCallItemDetails>()
@@ -399,14 +411,14 @@ 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> {

src/main/kotlin/io/emeraldpay/dshackle/upstream/CurrentMultistreamHolder.kt

@@ -24,7 +24,10 @@ import io.emeraldpay.dshackle.upstream.bitcoin.BitcoinUpstream
 import io.emeraldpay.dshackle.upstream.calls.CallMethods
 import io.emeraldpay.dshackle.upstream.calls.DefaultBitcoinMethods
 import io.emeraldpay.dshackle.upstream.calls.DefaultEthereumMethods
-import io.emeraldpay.dshackle.upstream.ethereum.*
+import io.emeraldpay.dshackle.upstream.ethereum.EthereumMultistream
+import io.emeraldpay.dshackle.upstream.ethereum.EthereumPosMultistream
+import io.emeraldpay.dshackle.upstream.ethereum.EthereumPosUpstream
+import io.emeraldpay.dshackle.upstream.ethereum.EthereumUpstream
 import io.emeraldpay.grpc.BlockchainType
 import io.emeraldpay.grpc.Chain
 import org.slf4j.LoggerFactory

src/main/kotlin/io/emeraldpay/dshackle/upstream/bitcoin/BitcoinMultistream.kt

@@ -26,9 +26,8 @@ import io.emeraldpay.dshackle.upstream.Multistream
 import io.emeraldpay.dshackle.upstream.RequestPostprocessor
 import io.emeraldpay.dshackle.upstream.Selector
 import io.emeraldpay.dshackle.upstream.Upstream
-import io.emeraldpay.dshackle.upstream.bitcoin.LocalCallRouter
-import io.emeraldpay.dshackle.upstream.forkchoice.MostWorkForkChoice
 import io.emeraldpay.dshackle.upstream.calls.DefaultBitcoinMethods
+import io.emeraldpay.dshackle.upstream.forkchoice.MostWorkForkChoice
 import io.emeraldpay.dshackle.upstream.rpcclient.JsonRpcRequest
 import io.emeraldpay.dshackle.upstream.rpcclient.JsonRpcResponse
 import io.emeraldpay.grpc.Chain
@@ -93,8 +92,8 @@ open class BitcoinMultistream(
             }
         } else {
             val newHead = MergedHead(sourceUpstreams.map { it.getHead() }, MostWorkForkChoice()).apply {
-                this.start()
+            this.start()
-            }
+        }
             val lagObserver = BitcoinHeadLagObserver(newHead, sourceUpstreams)
             this.lagObserver = lagObserver
             lagObserver.start()