diff --git a/simulators/ethereum/graphql/testcases/01_eth_blockNumber.json b/simulators/ethereum/graphql/testcases/01_eth_blockNumber.json
index d74b9a8580..5ae54a0dc9 100644
--- a/simulators/ethereum/graphql/testcases/01_eth_blockNumber.json
+++ b/simulators/ethereum/graphql/testcases/01_eth_blockNumber.json
@@ -5,9 +5,9 @@
   "responses": [{
     "data" : {
       "block" : {
-        "number" : 32
+        "number" : "0x20"
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/02_eth_call_Block8.json b/simulators/ethereum/graphql/testcases/02_eth_call_Block8.json
index 426a4846a5..fdcac0dee6 100644
--- a/simulators/ethereum/graphql/testcases/02_eth_call_Block8.json
+++ b/simulators/ethereum/graphql/testcases/02_eth_call_Block8.json
@@ -4,13 +4,13 @@
   "responses":[{
     "data" : {
       "block" : {
-        "number" : 8,
+        "number" : "0x8",
         "call" : {
           "data" : "0x0000000000000000000000000000000000000000000000000000000000000000",
-          "status" : 1
+          "status" : "0x1"
         }
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/03_eth_call_BlockLatest.json b/simulators/ethereum/graphql/testcases/03_eth_call_BlockLatest.json
index 6a21adac9a..cd51985471 100644
--- a/simulators/ethereum/graphql/testcases/03_eth_call_BlockLatest.json
+++ b/simulators/ethereum/graphql/testcases/03_eth_call_BlockLatest.json
@@ -4,13 +4,13 @@
   "responses":[{
     "data" : {
       "block" : {
-        "number" : 32,
+        "number" : "0x20",
         "call" : {
           "data" : "0x0000000000000000000000000000000000000000000000000000000000000001",
-          "status" : 1
+          "status" : "0x1"
         }
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/04_eth_estimateGas_contractDeploy.json b/simulators/ethereum/graphql/testcases/04_eth_estimateGas_contractDeploy.json
index 7ab7ff729e..e16a07cbe4 100644
--- a/simulators/ethereum/graphql/testcases/04_eth_estimateGas_contractDeploy.json
+++ b/simulators/ethereum/graphql/testcases/04_eth_estimateGas_contractDeploy.json
@@ -3,9 +3,9 @@
   "responses":[{
     "data" : {
       "block" : {
-        "estimateGas" : 111953
+        "estimateGas" : "0x1b551"
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/05_eth_estimateGas_noParams.json b/simulators/ethereum/graphql/testcases/05_eth_estimateGas_noParams.json
index c36e86d557..a6eaa2bbc6 100644
--- a/simulators/ethereum/graphql/testcases/05_eth_estimateGas_noParams.json
+++ b/simulators/ethereum/graphql/testcases/05_eth_estimateGas_noParams.json
@@ -3,9 +3,9 @@
   "responses":[{
     "data" : {
       "block" : {
-        "estimateGas" : 21000
+        "estimateGas" : "0x5208"
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/06_eth_estimateGas_transfer.json b/simulators/ethereum/graphql/testcases/06_eth_estimateGas_transfer.json
index 913e29b594..c35dbadf46 100644
--- a/simulators/ethereum/graphql/testcases/06_eth_estimateGas_transfer.json
+++ b/simulators/ethereum/graphql/testcases/06_eth_estimateGas_transfer.json
@@ -3,9 +3,9 @@
   "responses":[{
     "data" : {
       "block" : {
-        "estimateGas" : 21000
+        "estimateGas" : "0x5208"
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/14_eth_getBlock_byHash.json b/simulators/ethereum/graphql/testcases/14_eth_getBlock_byHash.json
index 7abda81ac4..decf15c17a 100644
--- a/simulators/ethereum/graphql/testcases/14_eth_getBlock_byHash.json
+++ b/simulators/ethereum/graphql/testcases/14_eth_getBlock_byHash.json
@@ -7,28 +7,28 @@
   "responses":  [{
     "data" : {
       "block" : {
-        "number" : 30,
+        "number" : "0x1e",
         "transactions" : [ {
           "hash" : "0x9cc6c7e602c56aa30c554bb691377f8703d778cec8845f4b88c0f72516b304f4"
         } ],
-        "timestamp" : 1444660022,
+        "timestamp" : "0x561bc336",
         "difficulty" : "0x20740",
         "totalDifficulty" : "0x3e6cc0",
-        "gasUsed" : 23585,
-        "gasLimit" : 3141592,
+        "gasUsed" : "0x5c21",
+        "gasLimit" : "0x2fefd8",
         "hash" : "0xc8df1f061abb4d0c107b2b1a794ade8780b3120e681f723fe55a7be586d95ba6",
         "nonce" : "0x5c321bd9e9f040f1",
-        "ommerCount" : 0,
+        "ommerCount" : "0x0",
         "logsBloom" : "0x00000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000080000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000400000000000000000200000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000800000000040000000000000000000000000000000000000000010000000000000000000000000",
         "mixHash" : "0x6ce1c4afb4f85fefd1b0ed966b20cd248f08d9a5b0df773f75c6c2f5cc237b7c",
         "ommerHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
         "extraData" : "0x",
         "stateRoot" : "0xdb46d6bb168130fe2cb60b4b24346137b5741f11283e0d7edace65c5f5466b2e",
         "receiptsRoot" : "0x88b3b304b058b39791c26fdb94a05cc16ce67cf8f84f7348cb3c60c0ff342d0d",
-        "transactionCount" : 1,
+        "transactionCount" : "0x1",
         "transactionsRoot" : "0x5a8d5d966b48e1331ae19eb459eb28882cdc7654e615d37774b79204e875dc01"
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/16_eth_getBlock_byNumber.json b/simulators/ethereum/graphql/testcases/16_eth_getBlock_byNumber.json
index 0b50c7e9ee..34244dbc5c 100644
--- a/simulators/ethereum/graphql/testcases/16_eth_getBlock_byNumber.json
+++ b/simulators/ethereum/graphql/testcases/16_eth_getBlock_byNumber.json
@@ -10,21 +10,21 @@
         "transactions" : [ {
           "hash" : "0x9cc6c7e602c56aa30c554bb691377f8703d778cec8845f4b88c0f72516b304f4"
         } ],
-        "timestamp" : 1444660022,
+        "timestamp" : "0x561bc336",
         "difficulty" : "0x20740",
         "totalDifficulty" : "0x3e6cc0",
-        "gasUsed" : 23585,
-        "gasLimit" : 3141592,
+        "gasUsed" : "0x5c21",
+        "gasLimit" : "0x2fefd8",
         "hash" : "0xc8df1f061abb4d0c107b2b1a794ade8780b3120e681f723fe55a7be586d95ba6",
         "nonce" : "0x5c321bd9e9f040f1",
-        "ommerCount" : 0,
+        "ommerCount" : "0x0",
         "logsBloom" : "0x00000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000080000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000400000000000000000200000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000800000000040000000000000000000000000000000000000000010000000000000000000000000",
         "mixHash" : "0x6ce1c4afb4f85fefd1b0ed966b20cd248f08d9a5b0df773f75c6c2f5cc237b7c",
         "ommerHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
         "extraData" : "0x",
         "stateRoot" : "0xdb46d6bb168130fe2cb60b4b24346137b5741f11283e0d7edace65c5f5466b2e",
         "receiptsRoot" : "0x88b3b304b058b39791c26fdb94a05cc16ce67cf8f84f7348cb3c60c0ff342d0d",
-        "transactionCount" : 1,
+        "transactionCount" : "0x1",
         "transactionsRoot" : "0x5a8d5d966b48e1331ae19eb459eb28882cdc7654e615d37774b79204e875dc01",
         "ommers" : [ ],
         "ommerAt" : null,
@@ -41,4 +41,4 @@
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/19_eth_getBlockTransactionCount_byHash.json b/simulators/ethereum/graphql/testcases/19_eth_getBlockTransactionCount_byHash.json
index d43de22a43..3a31866f19 100644
--- a/simulators/ethereum/graphql/testcases/19_eth_getBlockTransactionCount_byHash.json
+++ b/simulators/ethereum/graphql/testcases/19_eth_getBlockTransactionCount_byHash.json
@@ -7,7 +7,7 @@
   "responses":  [{
     "data" : {
       "block" : {
-        "transactionCount" : 1
+        "transactionCount" : "0x1"
       }
     }
   }],
diff --git a/simulators/ethereum/graphql/testcases/20_eth_getBlockTransactionCount_byNumber.json b/simulators/ethereum/graphql/testcases/20_eth_getBlockTransactionCount_byNumber.json
index db2c9bc3ee..4573355dae 100644
--- a/simulators/ethereum/graphql/testcases/20_eth_getBlockTransactionCount_byNumber.json
+++ b/simulators/ethereum/graphql/testcases/20_eth_getBlockTransactionCount_byNumber.json
@@ -10,24 +10,24 @@
         "transactions" : [ {
           "hash" : "0x9cc6c7e602c56aa30c554bb691377f8703d778cec8845f4b88c0f72516b304f4"
         } ],
-        "timestamp" : 1444660022,
+        "timestamp" : "0x561bc336",
         "difficulty" : "0x20740",
         "totalDifficulty" : "0x3e6cc0",
-        "gasUsed" : 23585,
-        "gasLimit" : 3141592,
+        "gasUsed" : "0x5c21",
+        "gasLimit" : "0x2fefd8",
         "hash" : "0xc8df1f061abb4d0c107b2b1a794ade8780b3120e681f723fe55a7be586d95ba6",
         "nonce" : "0x5c321bd9e9f040f1",
-        "ommerCount" : 0,
+        "ommerCount" : "0x0",
         "logsBloom" : "0x00000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000080000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000400000000000000000200000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000800000000040000000000000000000000000000000000000000010000000000000000000000000",
         "mixHash" : "0x6ce1c4afb4f85fefd1b0ed966b20cd248f08d9a5b0df773f75c6c2f5cc237b7c",
         "ommerHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
         "extraData" : "0x",
         "stateRoot" : "0xdb46d6bb168130fe2cb60b4b24346137b5741f11283e0d7edace65c5f5466b2e",
         "receiptsRoot" : "0x88b3b304b058b39791c26fdb94a05cc16ce67cf8f84f7348cb3c60c0ff342d0d",
-        "transactionCount" : 1,
+        "transactionCount" : "0x1",
         "transactionsRoot" : "0x5a8d5d966b48e1331ae19eb459eb28882cdc7654e615d37774b79204e875dc01"
       }
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/23_eth_getLogs_matchTopic.json b/simulators/ethereum/graphql/testcases/23_eth_getLogs_matchTopic.json
index 4dc1db88b7..cf7f6e4b15 100644
--- a/simulators/ethereum/graphql/testcases/23_eth_getLogs_matchTopic.json
+++ b/simulators/ethereum/graphql/testcases/23_eth_getLogs_matchTopic.json
@@ -4,7 +4,7 @@
     "data" : {
       "block" : {
         "logs" : [ {
-          "index" : 0,
+          "index" : "0x0",
           "topics" : [ "0x65c9ac8011e286e89d02a269890f41d67ca2cc597b2c76c7c69321ff492be580" ],
           "data" : "0x000000000000000000000000000000000000000000000000000000000000002a",
           "account" : {
diff --git a/simulators/ethereum/graphql/testcases/24_eth_getLogs_range.json b/simulators/ethereum/graphql/testcases/24_eth_getLogs_range.json
index 52289500ab..6b04466744 100644
--- a/simulators/ethereum/graphql/testcases/24_eth_getLogs_range.json
+++ b/simulators/ethereum/graphql/testcases/24_eth_getLogs_range.json
@@ -4,7 +4,7 @@
     "data": {
       "logs": [
         {
-          "index": 0,
+          "index": "0x0",
           "topics": [
             "0x65c9ac8011e286e89d02a269890f41d67ca2cc597b2c76c7c69321ff492be580"
           ],
@@ -15,12 +15,12 @@
           "transaction": {
             "hash": "0x97a385bf570ced7821c6495b3877ddd2afd5c452f350f0d4876e98d9161389c6",
             "block": {
-              "number": 23
+              "number": "0x17"
             }
           }
         },
         {
-          "index": 0,
+          "index": "0x0",
           "topics": [],
           "data": "0x000000000000000000000000000000000000000000000000000000000000002a",
           "account": {
@@ -29,7 +29,7 @@
           "transaction": {
             "hash": "0x5ecd942096ab3f70c5bcc8f3a98f88c4ff0a3bd986417df9948eb1819db76d0e",
             "block": {
-              "number": 24
+              "number": "0x18"
             }
           }
         }
@@ -37,4 +37,4 @@
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/30_eth_getTransaction_byHash.json b/simulators/ethereum/graphql/testcases/30_eth_getTransaction_byHash.json
index c560d9bc1e..b5607f0fbd 100644
--- a/simulators/ethereum/graphql/testcases/30_eth_getTransaction_byHash.json
+++ b/simulators/ethereum/graphql/testcases/30_eth_getTransaction_byHash.json
@@ -7,12 +7,12 @@
           "block": {
             "hash": "0xc8df1f061abb4d0c107b2b1a794ade8780b3120e681f723fe55a7be586d95ba6"
           },
-          "gas": 314159,
+          "gas": "0x4cb2f",
           "gasPrice": "0x1",
           "hash": "0x9cc6c7e602c56aa30c554bb691377f8703d778cec8845f4b88c0f72516b304f4",
           "inputData": "0xe8beef5b",
-          "nonce": 29,
-          "index": 0,
+          "nonce": "0x1d",
+          "index": "0x0",
           "value": "0xa",
           "from": {
             "address": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b"
@@ -22,7 +22,7 @@
           },
           "logs": [
             {
-              "index": 0
+              "index": "0x0"
             }
           ],
           "status": null,
@@ -51,7 +51,7 @@
             }
           ],
           "nonce": "0x1d",
-          "status": 0,
+          "status": "0x0",
           "to": {
             "address": "0x6295ee1b4f6dd65047762f924ecd367c17eabf8f"
           },
@@ -61,4 +61,4 @@
     }
   ],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/32_eth_getTransactionCount.json b/simulators/ethereum/graphql/testcases/32_eth_getTransactionCount.json
index 79af4ce165..675c8de0b3 100644
--- a/simulators/ethereum/graphql/testcases/32_eth_getTransactionCount.json
+++ b/simulators/ethereum/graphql/testcases/32_eth_getTransactionCount.json
@@ -5,7 +5,7 @@
       "data": {
         "block": {
           "account": {
-            "transactionCount": 32
+            "transactionCount": "0x20"
           }
         }
       }
@@ -21,4 +21,4 @@
     }
   ],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/33_eth_getTransactionReceipt.json b/simulators/ethereum/graphql/testcases/33_eth_getTransactionReceipt.json
index 5421442171..e481c1d7ee 100644
--- a/simulators/ethereum/graphql/testcases/33_eth_getTransactionReceipt.json
+++ b/simulators/ethereum/graphql/testcases/33_eth_getTransactionReceipt.json
@@ -11,14 +11,14 @@
           "createdContract": {
             "address": "0x6295ee1b4f6dd65047762f924ecd367c17eabf8f"
           },
-          "cumulativeGasUsed": 493172,
+          "cumulativeGasUsed": "0x78674",
           "from": {
             "address": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b"
           },
-          "gas": 3141592,
-          "gasUsed": 493172,
+          "gas": "0x2fefd8",
+          "gasUsed": "0x78674",
           "hash": "0x812742182a79a8e67733edc58cfa3767aa2d7ad06439d156ddbbb33e3403b4ed",
-          "index": 0,
+          "index": "0x0",
           "logs": [],
           "to": null
         }
@@ -34,12 +34,12 @@
           "createdContract": {
             "address": "0x6295ee1b4f6dd65047762f924ecd367c17eabf8f"
           },
-          "cumulativeGasUsed": 493172,
+          "cumulativeGasUsed": "0x78674",
           "from": {
             "address": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b"
           },
           "gas": "0x2fefd8",
-          "gasUsed": 493172,
+          "gasUsed": "0x78674",
           "hash": "0x812742182a79a8e67733edc58cfa3767aa2d7ad06439d156ddbbb33e3403b4ed",
           "index": 0,
           "logs": [],
diff --git a/simulators/ethereum/graphql/testcases/35_graphql_pending.json b/simulators/ethereum/graphql/testcases/35_graphql_pending.json
index 96b7fe0a70..7aceb90647 100644
--- a/simulators/ethereum/graphql/testcases/35_graphql_pending.json
+++ b/simulators/ethereum/graphql/testcases/35_graphql_pending.json
@@ -5,20 +5,20 @@
   "responses": [{
     "data": {
       "pending": {
-        "transactionCount": 1,
+        "transactionCount": "0x1",
         "transactions": [
           {
-            "nonce": 50,
-            "gas": 1048575
+            "nonce": "0x32",
+            "gas": "0xfffff"
           }
         ],
         "account": {
           "balance": "0x140"
         },
-        "estimateGas": 21000,
+        "estimateGas": "0x5208",
         "call": {
           "data": "0x0000000000000000000000000000000000000000000000000000000000000001",
-          "status": 1
+          "status": "0x1"
         }
       }
     }
diff --git a/simulators/ethereum/graphql/testcases/41_graphql_blocks_byFrom.json b/simulators/ethereum/graphql/testcases/41_graphql_blocks_byFrom.json
index ade785cc23..1769109a8e 100644
--- a/simulators/ethereum/graphql/testcases/41_graphql_blocks_byFrom.json
+++ b/simulators/ethereum/graphql/testcases/41_graphql_blocks_byFrom.json
@@ -4,16 +4,16 @@
     "data": {
       "blocks": [
         {
-          "number": 30
+          "number": "0x1e"
         },
         {
-          "number": 31
+          "number": "0x1f"
         },
         {
-          "number": 32
+          "number": "0x20"
         }
       ]
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/42_graphql_blocks_byRange.json b/simulators/ethereum/graphql/testcases/42_graphql_blocks_byRange.json
index f826c70e5e..1552e2de42 100644
--- a/simulators/ethereum/graphql/testcases/42_graphql_blocks_byRange.json
+++ b/simulators/ethereum/graphql/testcases/42_graphql_blocks_byRange.json
@@ -7,34 +7,34 @@
   "responses":[{
     "data" : {
       "blocks" : [ {
-        "number"  : 30,
-        "gasUsed" : 23585,
-        "gasLimit" : 3141592,
+        "number"  : "0x1e",
+        "gasUsed" : "0x5c21",
+        "gasLimit" : "0x2fefd8",
         "hash" : "0xc8df1f061abb4d0c107b2b1a794ade8780b3120e681f723fe55a7be586d95ba6",
         "nonce" : "0x5c321bd9e9f040f1",
         "stateRoot" : "0xdb46d6bb168130fe2cb60b4b24346137b5741f11283e0d7edace65c5f5466b2e",
         "receiptsRoot" : "0x88b3b304b058b39791c26fdb94a05cc16ce67cf8f84f7348cb3c60c0ff342d0d",
-        "transactionCount" : 1
+        "transactionCount" : "0x1"
       }, {
-        "number"  : 31,
-        "gasUsed" : 24303,
-        "gasLimit" : 3141592,
+        "number"  : "0x1f",
+        "gasUsed" : "0x5eef",
+        "gasLimit" : "0x2fefd8",
         "hash" : "0x0f765087745aa259d9e5ac39c367c57432a16ed98e3b0d81c5b51d10f301dc49",
         "nonce" : "0xd3a27a3001616468",
         "stateRoot" : "0xa80997cf804269d64f2479baf535cf8f9090b70fbf515741c6995564f1e678bd",
         "receiptsRoot" : "0x2440c44a3f75ad8b0425a73e7be2f61a5171112465cfd14e62e735b56d7178e6",
-        "transactionCount" : 1
+        "transactionCount" : "0x1"
       }, {
-        "number"  : 32,
-        "gasUsed" : 23705,
-        "gasLimit" : 3141592,
+        "number"  : "0x20",
+        "gasUsed" : "0x5c99",
+        "gasLimit" : "0x2fefd8",
         "hash" : "0x71d59849ddd98543bdfbe8548f5eed559b07b8aaf196369f39134500eab68e53",
         "nonce" : "0xdb063000b00e8026",
         "stateRoot" : "0xf65f3dd13f72f5fa5607a5224691419969b4f4bae7a00a6cdb853f2ca9eeb1be",
         "receiptsRoot" : "0xa50a7e67e833f4502524371ee462ccbcc6c6cabd2aeb1555c56150007a53183c",
-        "transactionCount" : 1
+        "transactionCount" : "0x1"
       } ]
     }
   }],
   "statusCode": 200
-}
\ No newline at end of file
+}
diff --git a/simulators/ethereum/graphql/testcases/46_getBlock_byHexNumber.json b/simulators/ethereum/graphql/testcases/46_getBlock_byHexNumber.json
new file mode 100644
index 0000000000..0d4e0ed79e
--- /dev/null
+++ b/simulators/ethereum/graphql/testcases/46_getBlock_byHexNumber.json
@@ -0,0 +1,14 @@
+{
+  "request": "{block (number : \"0x1e\") { gasUsed gasLimit hash }} ",
+
+  "responses":[{
+    "data" : {
+      "block" : {
+        "gasUsed" : "0x5c21",
+        "gasLimit" : "0x2fefd8",
+        "hash" : "0xc8df1f061abb4d0c107b2b1a794ade8780b3120e681f723fe55a7be586d95ba6"
+      }
+    }
+  }],
+  "statusCode": 200
+}
diff --git a/simulators/ethereum/graphql/testcases/47_eth_getLogs_range_hex.json b/simulators/ethereum/graphql/testcases/47_eth_getLogs_range_hex.json
new file mode 100644
index 0000000000..f7891fc7d8
--- /dev/null
+++ b/simulators/ethereum/graphql/testcases/47_eth_getLogs_range_hex.json
@@ -0,0 +1,22 @@
+{
+  "request": "{ logs( filter: { fromBlock:\"0x14\", toBlock: \"0x18\", topics :  [], addresses : []}) { index transaction{hash} } }",
+  "responses": [{
+    "data": {
+      "logs": [
+        {
+          "index": "0x0",
+          "transaction": {
+            "hash": "0x97a385bf570ced7821c6495b3877ddd2afd5c452f350f0d4876e98d9161389c6"
+          }
+        },
+        {
+          "index": "0x0",
+          "transaction": {
+            "hash": "0x5ecd942096ab3f70c5bcc8f3a98f88c4ff0a3bd986417df9948eb1819db76d0e"
+          }
+        }
+      ]
+    }
+  }],
+  "statusCode": 200
+}
diff --git a/simulators/ethereum/graphql/testcases/48_transaction_fromByHexBlockNumber.json b/simulators/ethereum/graphql/testcases/48_transaction_fromByHexBlockNumber.json
new file mode 100644
index 0000000000..96ff90d147
--- /dev/null
+++ b/simulators/ethereum/graphql/testcases/48_transaction_fromByHexBlockNumber.json
@@ -0,0 +1,18 @@
+{
+  "request": "{transaction (hash : \"0x9cc6c7e602c56aa30c554bb691377f8703d778cec8845f4b88c0f72516b304f4\") { block { number } from(block: \"0x1d\") {transactionCount}} } ",
+  "responses": [
+    {
+      "data": {
+        "transaction": {
+            "block": {
+              "number": "0x1e"
+            },
+           "from": {
+            "transactionCount": "0x1d"
+          }
+         }
+      }
+    }
+  ],
+  "statusCode": 200
+}