fixup! [libevmasm] Add support to import evm assembly json.

Author: cameel

libevmasm/Assembly.cpp

@@ -518,24 +518,25 @@ std::pair<std::shared_ptr<Assembly>, std::vector<std::string>> Assembly::fromJSO
 	static std::set<std::string> const validMembers{".code", ".data", ".auxdata", "sourceList"};
 	for (std::string const& attribute: _json.getMemberNames())
 		solRequire(validMembers.count(attribute), AssemblyImportException, "Unknown attribute '" + attribute + "'.");
-	solRequire(_json.isMember(".code"), AssemblyImportException, "Member '.code' does not exist.");
+
+	solRequire(_json.isMember(".code"), AssemblyImportException, "Member '.code' is missing.");
 	solRequire(_json[".code"].isArray(), AssemblyImportException, "Member '.code' is not an array.");
 	for (Json::Value const& codeItem: _json[".code"])
-		solRequire(codeItem.isObject(), AssemblyImportException, "Item of '.code' array is not an object.");
+		solRequire(codeItem.isObject(), AssemblyImportException, "The '.code' array contains an item that is not an object.");
 
 	if (_level == 0)
 	{
 		if (_json.isMember("sourceList"))
 		{
 			solRequire(_json["sourceList"].isArray(), AssemblyImportException, "Optional member 'sourceList' is not an array.");
 			for (Json::Value const& sourceListItem: _json["sourceList"])
-				solRequire(sourceListItem.isString(), AssemblyImportException, "Item of 'sourceList' array is not of type string.");
+				solRequire(sourceListItem.isString(), AssemblyImportException, "The 'sourceList' array contains an item that is not a string.");
 		}
 	} else
 		solRequire(
 			!_json.isMember("sourceList"),
 			AssemblyImportException,
-			"Member 'sourceList' is only allowed in root JSON object."
+			"Member 'sourceList' may only be present in the root JSON object."
 		);
 
 	std::vector<std::string> sourceList;
@@ -557,7 +558,7 @@ std::pair<std::shared_ptr<Assembly>, std::vector<std::string>> Assembly::fromJSO
 	result->importAssemblyItemsFromJSON(_json[".code"], sourceList);
 	if (_json[".auxdata"])
 	{
-		solRequire(_json[".auxdata"].isString(), AssemblyImportException, "Optional member '.auxdata' is not of type string.");
+		solRequire(_json[".auxdata"].isString(), AssemblyImportException, "Optional member '.auxdata' is not a string.");
 		bytes auxdata{fromHex(_json[".auxdata"].asString())};
 		solRequire(!auxdata.empty(), AssemblyImportException, "Optional member '.auxdata' is not a valid hexadecimal string.");
 		result->m_auxiliaryData = auxdata;
@@ -569,7 +570,7 @@ std::pair<std::shared_ptr<Assembly>, std::vector<std::string>> Assembly::fromJSO
 		Json::Value const& data = _json[".data"];
 		for (Json::ValueConstIterator dataIter = data.begin(); dataIter != data.end(); dataIter++)
 		{
-			solRequire(dataIter.key().isString(), AssemblyImportException, "Key inside '.data' is not of type string.");
+			solRequire(dataIter.key().isString(), AssemblyImportException, "Key inside '.data' is not a string.");
 			std::string dataItemID = dataIter.key().asString();
 			Json::Value const& code = data[dataItemID];
 			if (code.isString())
@@ -594,7 +595,7 @@ std::pair<std::shared_ptr<Assembly>, std::vector<std::string>> Assembly::fromJSO
 				result->m_subs[index] = subassembly;
 			}
 			else
-				solThrow(AssemblyImportException, "Key inside '.data' '" + dataItemID + "' can only be a valid hex-string or an object.");
+				solThrow(AssemblyImportException, "The value of key '" + dataItemID + "' inside '.data' is neither a hex-string nor an object.");
 		}
 	}
 	if (_level == 0)