rest support improvement

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

@@ -383,8 +383,8 @@ open class NativeCall(
             ParsedCallDetails(
                 item.method,
                 RestParams(
-                    item.restData.headersList.map { it.key to it.value }.toMap(),
+                    item.restData.headersList.map { Pair(it.key, it.value) },
-                    item.restData.queryParamsList.map { it.key to it.value }.toMap(),
+                    item.restData.queryParamsList.map { Pair(it.key, it.value) },
                     item.restData.pathParamsList,
                     item.restData.payload.toByteArray(),
                 ),

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

@@ -67,9 +67,10 @@ class DefaultBeaconChainMethods : CallMethods {
         getMethod("/eth/v1/debug/fork_choice"),
     )
 
-    private val eventMethods = setOf(
+//    not supported
-        getMethod("/eth/v1/events"),
+//    private val eventMethods = setOf(
-    )
+//        getMethod("/eth/v1/events"),
+//    )
 
     // need to think up what to do with these methods, probably hardcode them?
     private val nodeMethods = setOf(
@@ -108,7 +109,7 @@ class DefaultBeaconChainMethods : CallMethods {
     )
 
     private val allowedMethods: Set<String> =
-        beaconMethods + builderMethods + configMethods + debugMethods + eventMethods + nodeMethods + validatorMethods
+        beaconMethods + builderMethods + configMethods + debugMethods + nodeMethods + validatorMethods + rewardMethods
 
     override fun createQuorumFor(method: String): CallQuorum {
         return AlwaysQuorum()

src/main/kotlin/io/emeraldpay/dshackle/upstream/restclient/RestHttpReader.kt

@@ -73,7 +73,7 @@ class RestHttpReader(
 
         val response = httpClient.headers { headers ->
             restParams.headers.forEach {
-                headers.add(it.key, it.value)
+                headers.add(it.first, it.second)
             }
         }
             .request(HttpMethod.valueOf(restMethod))

src/main/kotlin/io/emeraldpay/dshackle/upstream/restclient/RestRequestParser.kt

@@ -30,10 +30,10 @@ object RestRequestParser {
         return builder.append(path, i, path.length).toString()
     }
 
-    fun transformQueryParams(queryParams: Map<String, String>): String {
+    fun transformQueryParams(queryParams: List<Pair<String, String>>): String {
         if (queryParams.isEmpty()) {
             return ""
         }
-        return "?".plus(queryParams.entries.joinToString("&") { "${it.key}=${it.value}" })
+        return "?".plus(queryParams.joinToString("&") { "${it.first}=${it.second}" })
     }
 }

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

@@ -40,13 +40,13 @@ data class ObjectParams(val obj: Map<Any, Any>) : JsonRpcParams() {
 }
 
 data class RestParams(
-    val headers: Map<String, String>,
+    val headers: List<Pair<String, String>>,
-    val queryParams: Map<String, String>,
+    val queryParams: List<Pair<String, String>>,
     val pathParams: List<String>,
     val payload: ByteArray,
 ) : CallParams {
     companion object {
-        fun emptyParams() = RestParams(emptyMap(), emptyMap(), emptyList(), ByteArray(0))
+        fun emptyParams() = RestParams(emptyList(), emptyList(), emptyList(), ByteArray(0))
     }
 
     override fun toJson(id: Int, method: String): ByteArray {

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

@@ -152,12 +152,12 @@ class JsonRpcGrpcClient(
             )
         }
 
-        private fun mapKeyValue(entries: Map<String, String>) =
+        private fun mapKeyValue(entries: List<Pair<String, String>>) =
             entries.map {
                 BlockchainOuterClass.KeyValue
                     .newBuilder()
-                    .setKey(it.key)
+                    .setKey(it.first)
-                    .setValue(it.value)
+                    .setValue(it.second)
                     .build()
             }
     }

src/test/kotlin/io/emeraldpay/dshackle/upstream/restclient/RestRequestParserTest.kt

@@ -10,7 +10,7 @@ class RestRequestParserTest {
 
     @Test
     fun `transform query params into string`() {
-        val queryParams = mapOf(
+        val queryParams = listOf(
             "first" to "coolParam",
             "second" to "moreCoolParam",
         )
@@ -22,7 +22,7 @@ class RestRequestParserTest {
 
     @Test
     fun `transform query params into empty string`() {
-        val result = RestRequestParser.transformQueryParams(emptyMap())
+        val result = RestRequestParser.transformQueryParams(emptyList())
 
         assertEquals("", result)
     }