Added support of eth_uninstallFilter

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

@@ -255,7 +255,10 @@ open class NativeCall(
     }
 
     private fun getRequestDecorator(method: String): RequestDecorator =
-        if (method == "eth_getFilterChanges") GetFilterUpdatesDecorator() else NoneRequestDecorator()
+        if (method == "eth_getFilterChanges" || method == "eth_uninstallFilter")
+            GetFilterUpdatesDecorator()
+        else
+            NoneRequestDecorator()
 
     private fun getResultDecorator(method: String): ResultDecorator =
         if (CreateFilterDecorator.createFilterMethods.contains(method)) CreateFilterDecorator() else NoneResultDecorator()
@@ -378,7 +381,11 @@ open class NativeCall(
 
         companion object {
             const val quoteCode = '"'.code.toByte()
-            val createFilterMethods = listOf("eth_getFilterChanges", "eth_newFilter", "eth_newBlockFilter")
+            val createFilterMethods = listOf(
+                "eth_getFilterChanges",
+                "eth_newFilter",
+                "eth_newBlockFilter"
+            )
         }
         override fun processResult(result: QuorumRpcReader.Result): ByteArray {
             val bytes = result.value

src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt

@@ -75,6 +75,7 @@ class DefaultEthereumMethods(
         "eth_newFilter",
         "eth_newBlockFilter",
         "eth_newPendingTransactionFilter",
+        "eth_uninstallFilter"
     )
 
     private val allowedMethods = anyResponseMethods + firstValueMethods + specialMethods + headVerifiedMethods + filterMethods

src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/EthereumCallSelector.kt

@@ -57,7 +57,7 @@ class EthereumCallSelector(
             return blockTagSelector(params, 1, head)
         } else if (method == "eth_getStorageAt") {
             return blockTagSelector(params, 2, head)
-        } else if (method == "eth_getFilterChanges") {
+        } else if (method == "eth_getFilterChanges" || method == "eth_uninstallFilter") {
             return sameUpstreamMatcher(params)
         }
         return Mono.empty()