[ETCM-135] Fix serialization issue in eth_syncing

Author: kapke

src/main/scala/io/iohk/ethereum/jsonrpc/EthService.scala

@@ -621,8 +621,8 @@ class EthService(
                 startingBlock = startingBlockNumber,
                 currentBlock = blocksProgress.current,
                 highestBlock = blocksProgress.target,
-                knownStates = stateNodesProgress.current,
-                pulledStates = stateNodesProgress.target
+                knownStates = stateNodesProgress.target,
+                pulledStates = stateNodesProgress.current
               )
             )
           )

src/test/scala/io/iohk/ethereum/jsonrpc/EthServiceSpec.scala

@@ -506,8 +506,8 @@ class EthServiceSpec
           startingBlock = 999,
           currentBlock = 200,
           highestBlock = 10000,
-          knownStates = 100,
-          pulledStates = 144
+          knownStates = 144,
+          pulledStates = 100
         )
       )
     )

src/test/scala/io/iohk/ethereum/jsonrpc/JsonRpcControllerEthSpec.scala

@@ -85,8 +85,8 @@ class JsonRpcControllerEthSpec
       "startingBlock" -> "0x3e7",
       "currentBlock" -> "0xc8",
       "highestBlock" -> "0x2710",
-      "knownStates" -> "0x64",
-      "pulledStates" -> "0x90"
+      "knownStates" -> "0x90",
+      "pulledStates" -> "0x64"
     )
   }