Apply method matcher for direct reader (#200)

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

@@ -127,7 +127,7 @@ class Selector {
         fun describeInternal(): String
     }
 
-    class MultiMatcher(
+    data class MultiMatcher(
         private val matchers: Collection<Matcher>
     ) : Matcher {
         override fun matches(up: Upstream): Boolean {
@@ -156,7 +156,7 @@ class Selector {
         }
     }
 
-    class MethodMatcher(
+    data class MethodMatcher(
         val method: String
     ) : Matcher {
         override fun matches(up: Upstream): Boolean {

src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumDirectReader.kt

@@ -172,7 +172,12 @@ class EthereumDirectReader(
         return Mono.just(quorumReaderFactory)
             .map {
                 it.create(
-                    up.getApiSource(matcher),
+                    up.getApiSource(
+                        Selector.Builder()
+                            .withMatcher(matcher)
+                            .forMethod(request.method)
+                            .build()
+                    ),
                     callMethodsFactory.create().createQuorumFor(request.method),
                     // we do not use Signer for internal requests because it doesn't make much sense
                     null,

src/test/groovy/io/emeraldpay/dshackle/upstream/ethereum/EthereumCachingReaderSpec.groovy

@@ -113,7 +113,9 @@ class EthereumDirectReaderSpec extends Specification {
             transactions = []
         }
         def up = Mock(Multistream) {
-            1 * getApiSource(new Selector.HeightMatcher(100)) >> Stub(ApiSource)
+            1 * getApiSource(
+                    new Selector.Builder().withMatcher(new Selector.HeightMatcher(100)).forMethod("eth_getBlockByNumber").build()
+            ) >> Stub(ApiSource)
         }
         def calls = Mock(Factory) {
             1 * create() >> new DefaultEthereumMethods(Chain.ETHEREUM)