problem: unnecessary logging

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

@@ -118,8 +118,6 @@ class TrackBitcoinAddress(
 
     override fun subscribe(request: BlockchainOuterClass.BalanceRequest): Flux<BlockchainOuterClass.AddressBalance> {
         val chain = Chain.byId(request.asset.chainValue)
-        println("up: ${multistreamHolder.getUpstream(chain)}")
-        println("up cast: ${multistreamHolder.getUpstream(chain)?.cast(BitcoinMultistream::class.java)}")
         val upstream = multistreamHolder.getUpstream(chain)?.cast(BitcoinMultistream::class.java)
                 ?: return Flux.error(SilentException.UnsupportedBlockchain(request.asset.chainValue))
         val addresses = allAddresses(request) ?: return Flux.error(SilentException("Unsupported address"))

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

@@ -97,7 +97,6 @@ class FilteredApis(
     }
 
     override fun request(tries: Int) {
-        println("requested ${tries}")
         //TODO check the buffer size before submitting
         repeat(tries) {
             control.onNext(true)

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

@@ -68,7 +68,6 @@ class BitcoinRpcHead(
                             .timeout(Defaults.timeout, Mono.error(Exception("Block data is not received")))
                 }
                 .onErrorContinue { err, _ ->
-                    err.printStackTrace()
                     log.debug("RPC error ${err.message}")
                 }
         refreshSubscription = super.follow(base)

src/main/kotlin/io/emeraldpay/dshackle/upstream/rpcclient/JsonRpcParser.kt

@@ -33,7 +33,6 @@ class JsonRpcParser() {
         val parser: JsonParser = jsonFactory.createParser(json)
         parser.nextToken()
         if (parser.currentToken != JsonToken.START_OBJECT) {
-            println("token ${parser.currentToken}")
             return JsonRpcResponse(null, JsonRpcResponse.ResponseError(RpcResponseError.CODE_UPSTREAM_INVALID_RESPONSE, "Invalid JSON"))
         }
         var nullResponse: JsonRpcResponse? = null