Add some eth_call integration tests (#92)

Author: canepat

tests/integration/jsonrpc_commands_goerli.json

@@ -572,6 +572,28 @@
             "result":"0x"
         }
     },
+    {
+        "request": {
+            "jsonrpc":"2.0",
+            "method":"eth_call",
+            "params":[
+                {
+                  "data": "0xf2fde38b0000000000000000000000007b34bb3a00197e463acfd8556f7a9e1fc1b96b1f",
+                  "from": "0x3a9a5def01d7b14c14ef51996bf66f3047f0738f",
+                  "to": "0x900c8c0a1b609533762390254b58c5760e4d7405",
+                  "gas": "0x7855",
+                  "gasPrice": "0x1"
+                },
+                "0x4366B7"
+            ],
+            "id":1
+        },
+        "response": {
+            "id":1,
+            "jsonrpc":"2.0",
+            "result":"0x"
+        }
+    },
     {
         "request": {
             "jsonrpc":"2.0",
@@ -584,7 +606,7 @@
                   "gas": "0xF4240",
                   "gasPrice": "0x10C388C00"
                 },
-                "3D0900"
+                "0x3D0900"
             ],
             "id":1
         },
@@ -597,6 +619,31 @@
             }
         }
     },
+    {
+        "request": {
+            "jsonrpc":"2.0",
+            "method":"eth_call",
+            "params":[
+                {
+                  "data": "0xdaa6d5560000000000000000000000000000000000000000000000000000000000000000",
+                  "from": "0x52c24586c31cff0485a6208bb63859290fba5bce",
+                  "to": "0x0715a7794a1dc8e42615f059dd6e406a6594651a",
+                  "gas": "0x8040",
+                  "gasPrice": "0x10C388C00"
+                },
+                "0x3D0900"
+            ],
+            "id":1
+        },
+        "response": {
+            "id":1,
+            "jsonrpc":"2.0",
+            "error":{
+                "code":-32000,
+                "message":"out of gas"
+            }
+        }
+    },
     {
         "request": {
             "jsonrpc":"2.0",