Merge branch 'dev'

README.md

@@ -65,16 +65,16 @@ Num | Detector | What it Detects | Impact | Confidence
 24 | `reentrancy-benign` | [Benign reentrancy vulnerabilities](https://github.com/crytic/slither/wiki/Detector-Documentation#reentrancy-vulnerabilities-2) | Low | Medium
 25 | `timestamp` | [Dangerous usage of `block.timestamp`](https://github.com/crytic/slither/wiki/Detector-Documentation#block-timestamp) | Low | Medium
 26 | `assembly` | [Assembly usage](https://github.com/crytic/slither/wiki/Detector-Documentation#assembly-usage) | Informational | High
-27 | `constable-states` | [State variables that could be declared constant](https://github.com/crytic/slither/wiki/Detector-Documentation#state-variables-that-could-be-declared-constant) | Informational | High
-28 | `deprecated-standards` | [Deprecated Solidity Standards](https://github.com/crytic/slither/wiki/Detector-Documentation#deprecated-standards) | Informational | High
-29 | `erc20-indexed` | [Un-indexed ERC20 event parameters](https://github.com/crytic/slither/wiki/Detector-Documentation#unindexed-erc20-event-parameters) | Informational | High
-30 | `external-function` | [Public function that could be declared as external](https://github.com/crytic/slither/wiki/Detector-Documentation#public-function-that-could-be-declared-as-external) | Informational | High
-31 | `low-level-calls` | [Low level calls](https://github.com/crytic/slither/wiki/Detector-Documentation#low-level-calls) | Informational | High
-32 | `naming-convention` | [Conformance to Solidity naming conventions](https://github.com/crytic/slither/wiki/Detector-Documentation#conformance-to-solidity-naming-conventions) | Informational | High
-33 | `pragma` | [If different pragma directives are used](https://github.com/crytic/slither/wiki/Detector-Documentation#different-pragma-directives-are-used) | Informational | High
-34 | `solc-version` | [Incorrect Solidity version (< 0.4.24 or complex pragma)](https://github.com/crytic/slither/wiki/Detector-Documentation#incorrect-version-of-solidity) | Informational | High
-35 | `unused-state` | [Unused state variables](https://github.com/crytic/slither/wiki/Detector-Documentation#unused-state-variables) | Informational | High
-36 | `too-many-digits` | [Conformance to numeric notation best practices](https://github.com/crytic/slither/wiki/Detector-Documentation#too-many-digits) | Informational | Medium
+27 | `deprecated-standards` | [Deprecated Solidity Standards](https://github.com/crytic/slither/wiki/Detector-Documentation#deprecated-standards) | Informational | High
+28 | `erc20-indexed` | [Un-indexed ERC20 event parameters](https://github.com/crytic/slither/wiki/Detector-Documentation#unindexed-erc20-event-parameters) | Informational | High
+29 | `low-level-calls` | [Low level calls](https://github.com/crytic/slither/wiki/Detector-Documentation#low-level-calls) | Informational | High
+30 | `naming-convention` | [Conformance to Solidity naming conventions](https://github.com/crytic/slither/wiki/Detector-Documentation#conformance-to-solidity-naming-conventions) | Informational | High
+31 | `pragma` | [If different pragma directives are used](https://github.com/crytic/slither/wiki/Detector-Documentation#different-pragma-directives-are-used) | Informational | High
+32 | `solc-version` | [Incorrect Solidity version (< 0.4.24 or complex pragma)](https://github.com/crytic/slither/wiki/Detector-Documentation#incorrect-version-of-solidity) | Informational | High
+33 | `unused-state` | [Unused state variables](https://github.com/crytic/slither/wiki/Detector-Documentation#unused-state-variables) | Informational | High
+34 | `too-many-digits` | [Conformance to numeric notation best practices](https://github.com/crytic/slither/wiki/Detector-Documentation#too-many-digits) | Informational | Medium
+35 | `constable-states` | [State variables that could be declared constant](https://github.com/crytic/slither/wiki/Detector-Documentation#state-variables-that-could-be-declared-constant) | Optimization | High
+36 | `external-function` | [Public function that could be declared as external](https://github.com/crytic/slither/wiki/Detector-Documentation#public-function-that-could-be-declared-as-external) | Optimization | High
 
 [Contact us](https://www.trailofbits.com/contact/) to get access to additional detectors.
 

scripts/tests_generate_expected_json_4.sh

@@ -21,38 +21,38 @@ generate_expected_json(){
 }
 
 
-generate_expected_json tests/deprecated_calls.sol "deprecated-standards"
-generate_expected_json tests/erc20_indexed.sol "erc20-indexed"
-generate_expected_json tests/incorrect_erc20_interface.sol "erc20-interface"
-generate_expected_json tests/incorrect_erc721_interface.sol "erc721-interface"
-generate_expected_json tests/uninitialized.sol "uninitialized-state"
-generate_expected_json tests/backdoor.sol "backdoor"
-generate_expected_json tests/backdoor.sol "suicidal"
-generate_expected_json tests/pragma.0.4.24.sol "pragma"
-generate_expected_json tests/old_solc.sol.json "solc-version"
-generate_expected_json tests/reentrancy.sol "reentrancy-eth"
-generate_expected_json tests/uninitialized_storage_pointer.sol "uninitialized-storage"
-generate_expected_json tests/tx_origin.sol "tx-origin"
-generate_expected_json tests/unused_state.sol "unused-state"
-generate_expected_json tests/locked_ether.sol "locked-ether"
-generate_expected_json tests/arbitrary_send.sol "arbitrary-send"
-generate_expected_json tests/inline_assembly_contract.sol "assembly"
-generate_expected_json tests/inline_assembly_library.sol "assembly"
-generate_expected_json tests/low_level_calls.sol "low-level-calls"
-generate_expected_json tests/const_state_variables.sol "constable-states"
-generate_expected_json tests/external_function.sol "external-function"
-generate_expected_json tests/external_function_2.sol "external-function"
-generate_expected_json tests/naming_convention.sol "naming-convention"
-generate_expected_json tests/uninitialized_local_variable.sol "uninitialized-local"
-generate_expected_json tests/controlled_delegatecall.sol "controlled-delegatecall"
-generate_expected_json tests/constant.sol "constant-function"
-generate_expected_json tests/unused_return.sol "unused-return"
-generate_expected_json tests/shadowing_state_variable.sol "shadowing-state"
-generate_expected_json tests/shadowing_abstract.sol "shadowing-abstract"
-generate_expected_json tests/timestamp.sol "timestamp"
-generate_expected_json tests/multiple_calls_in_loop.sol "calls-loop"
-generate_expected_json tests/shadowing_builtin_symbols.sol "shadowing-builtin"
-generate_expected_json tests/shadowing_local_variable.sol "shadowing-local"
-generate_expected_json tests/solc_version_incorrect.sol "solc-version"
-generate_expected_json tests/right_to_left_override.sol "rtlo"
-generate_expected_json tests/unchecked_lowlevel.sol "unchecked-lowlevel"
+#generate_expected_json tests/deprecated_calls.sol "deprecated-standards"
+#generate_expected_json tests/erc20_indexed.sol "erc20-indexed"
+#generate_expected_json tests/incorrect_erc20_interface.sol "erc20-interface"
+#generate_expected_json tests/incorrect_erc721_interface.sol "erc721-interface"
+#generate_expected_json tests/uninitialized.sol "uninitialized-state"
+#generate_expected_json tests/backdoor.sol "backdoor"
+#generate_expected_json tests/backdoor.sol "suicidal"
+#generate_expected_json tests/pragma.0.4.24.sol "pragma"
+#generate_expected_json tests/old_solc.sol.json "solc-version"
+#generate_expected_json tests/reentrancy.sol "reentrancy-eth"
+#generate_expected_json tests/uninitialized_storage_pointer.sol "uninitialized-storage"
+#generate_expected_json tests/tx_origin.sol "tx-origin"
+#generate_expected_json tests/unused_state.sol "unused-state"
+#generate_expected_json tests/locked_ether.sol "locked-ether"
+#generate_expected_json tests/arbitrary_send.sol "arbitrary-send"
+#generate_expected_json tests/inline_assembly_contract.sol "assembly"
+#generate_expected_json tests/inline_assembly_library.sol "assembly"
+#generate_expected_json tests/low_level_calls.sol "low-level-calls"
+#generate_expected_json tests/const_state_variables.sol "constable-states"
+#generate_expected_json tests/external_function.sol "external-function"
+#generate_expected_json tests/external_function_2.sol "external-function"
+#generate_expected_json tests/naming_convention.sol "naming-convention"
+#generate_expected_json tests/uninitialized_local_variable.sol "uninitialized-local"
+#generate_expected_json tests/controlled_delegatecall.sol "controlled-delegatecall"
+#generate_expected_json tests/constant.sol "constant-function"
+#generate_expected_json tests/unused_return.sol "unused-return"
+#generate_expected_json tests/shadowing_state_variable.sol "shadowing-state"
+#generate_expected_json tests/shadowing_abstract.sol "shadowing-abstract"
+#generate_expected_json tests/timestamp.sol "timestamp"
+#generate_expected_json tests/multiple_calls_in_loop.sol "calls-loop"
+#generate_expected_json tests/shadowing_builtin_symbols.sol "shadowing-builtin"
+#generate_expected_json tests/shadowing_local_variable.sol "shadowing-local"
+#generate_expected_json tests/solc_version_incorrect.sol "solc-version"
+#generate_expected_json tests/right_to_left_override.sol "rtlo"
+#generate_expected_json tests/unchecked_lowlevel.sol "unchecked-lowlevel"

scripts/travis_test_etherscan.sh

@@ -10,7 +10,7 @@ chmod +x solc-0.4.25
 
 slither 0x7F37f78cBD74481E593F9C737776F7113d76B315 --solc "./solc-0.4.25"
 
-if [ $? -ne 6 ]
+if [ $? -ne 5 ]
 then
     echo "Etherscan test failed"
     exit -1

slither/__main__.py

@@ -88,7 +88,8 @@ def process_files(filenames, args, detector_classes, printer_classes):
                       disable_solc_warnings=args.disable_solc_warnings,
                       solc_arguments=args.solc_args,
                       filter_paths=parse_filter_paths(args),
-                      triage_mode=args.triage_mode)
+                      triage_mode=args.triage_mode,
+                      exclude_dependencies=args.exclude_dependencies)
 
     return _process(slither, detector_classes, printer_classes)
 
@@ -258,6 +259,7 @@ defaults_flag_in_config = {
     'detectors_to_run': 'all',
     'printers_to_run': None,
     'detectors_to_exclude': None,
+    'exclude_dependencies': False,
     'exclude_informational': False,
     'exclude_low': False,
     'exclude_medium': False,
@@ -330,6 +332,11 @@ def parse_args(detector_classes, printer_classes):
                                 dest='detectors_to_exclude',
                                 default=defaults_flag_in_config['detectors_to_exclude'])
 
+    group_detector.add_argument('--exclude-dependencies',
+                                help='Exclude results that are only related to dependencies',
+                                action='store_true',
+                                default=defaults_flag_in_config['exclude_dependencies'])
+
     group_detector.add_argument('--exclude-informational',
                                 help='Exclude informational impact analyses',
                                 action='store_true',

slither/core/slither_core.py

@@ -181,10 +181,14 @@ class Slither(Context):
             A result is invalid if:
                 - All its source paths belong to the source path filtered
                 - Or a similar result was reported and saved during a previous run
+                - The --exclude-dependencies flag is set and results are only related to dependencies
         '''
         source_mapping_elements = [elem['source_mapping']['filename_absolute'] for elem in r['elements'] if 'source_mapping' in elem]
         if r['elements'] and all((any(path in src_mapping for path in self._paths_to_filter) for src_mapping in source_mapping_elements)):
             return False
+        if r['elements'] and self._exclude_dependencies:
+            return not all(element['source_mapping']['is_dependency'] for element in r['elements'])
+
         return not r['description'] in [pr['description'] for pr in self._previous_results]
 
     def load_previous_results(self):

slither/core/source_mapping/source_mapping.py

@@ -77,6 +77,8 @@ class SourceMapping(Context):
         filename_relative = None
         filename_short = None
 
+        is_dependency = False
+
         lines = []
 
         # If possible, convert the filename to its absolute/relative version
@@ -86,6 +88,8 @@ class SourceMapping(Context):
             filename_relative = filenames.relative
             filename_short = filenames.short
 
+            is_dependency = slither.crytic_compile.is_dependency(filename_absolute)
+
             if filename_absolute in slither.source_code:
                 filename = filename_absolute
             elif filename_relative in slither.source_code:
@@ -105,13 +109,13 @@ class SourceMapping(Context):
         else:
             (lines, starting_column, ending_column) = ([], None, None)
 
-
         return {'start':s,
                 'length':l,
                 'filename_used': filename_used,
                 'filename_relative': filename_relative,
                 'filename_absolute': filename_absolute,
                 'filename_short': filename_short,
+                'is_dependency': is_dependency,
                 'lines' : lines,
                 'starting_column': starting_column,
                 'ending_column': ending_column

slither/detectors/abstract_detector.py

@@ -2,9 +2,10 @@ import abc
 import re
 
 from slither.utils.colors import green, yellow, red
-
+from slither.core.source_mapping.source_mapping import SourceMapping
 from collections import OrderedDict
 
+
 class IncorrectDetectorInitialization(Exception):
     pass
 
@@ -14,22 +15,26 @@ class DetectorClassification:
     MEDIUM = 1
     LOW = 2
     INFORMATIONAL = 3
+    OPTIMIZATION = 4
 
 
 classification_colors = {
     DetectorClassification.INFORMATIONAL: green,
+    DetectorClassification.OPTIMIZATION: green,
     DetectorClassification.LOW: green,
     DetectorClassification.MEDIUM: yellow,
-    DetectorClassification.HIGH: red,
+    DetectorClassification.HIGH: red
 }
 
 classification_txt = {
     DetectorClassification.INFORMATIONAL: 'Informational',
+    DetectorClassification.OPTIMIZATION: 'Optimization',
     DetectorClassification.LOW: 'Low',
     DetectorClassification.MEDIUM: 'Medium',
     DetectorClassification.HIGH: 'High',
 }
 
+
 class AbstractDetector(metaclass=abc.ABCMeta):
     ARGUMENT = ''  # run the detector with slither.py --ARGUMENT
     HELP = ''  # help information
@@ -43,7 +48,6 @@ class AbstractDetector(metaclass=abc.ABCMeta):
     WIKI_EXPLOIT_SCENARIO = ''
     WIKI_RECOMMENDATION = ''
 
-
     def __init__(self, slither, logger):
         self.slither = slither
         self.contracts = slither.contracts
@@ -65,7 +69,8 @@ class AbstractDetector(metaclass=abc.ABCMeta):
         if not self.WIKI_DESCRIPTION:
             raise IncorrectDetectorInitialization('WIKI_DESCRIPTION is not initialized {}'.format(self.__class__.__name__))
 
-        if not self.WIKI_EXPLOIT_SCENARIO and self.IMPACT != DetectorClassification.INFORMATIONAL:
+        if not self.WIKI_EXPLOIT_SCENARIO and self.IMPACT not in [DetectorClassification.INFORMATIONAL,
+                                                                      DetectorClassification.OPTIMIZATION]:
             raise IncorrectDetectorInitialization('WIKI_EXPLOIT_SCENARIO is not initialized {}'.format(self.__class__.__name__))
 
         if not self.WIKI_RECOMMENDATION:
@@ -77,16 +82,17 @@ class AbstractDetector(metaclass=abc.ABCMeta):
         if self.IMPACT not in [DetectorClassification.LOW,
                                        DetectorClassification.MEDIUM,
                                        DetectorClassification.HIGH,
-                                       DetectorClassification.INFORMATIONAL]:
+                                       DetectorClassification.INFORMATIONAL,
+                                       DetectorClassification.OPTIMIZATION]:
             raise IncorrectDetectorInitialization('IMPACT is not initialized {}'.format(self.__class__.__name__))
 
         if self.CONFIDENCE not in [DetectorClassification.LOW,
                                        DetectorClassification.MEDIUM,
                                        DetectorClassification.HIGH,
-                                       DetectorClassification.INFORMATIONAL]:
+                                       DetectorClassification.INFORMATIONAL,
+                                       DetectorClassification.OPTIMIZATION]:
             raise IncorrectDetectorInitialization('CONFIDENCE is not initialized {}'.format(self.__class__.__name__))
 
-
     def _log(self, info):
         self.logger.info(self.color(info))
 
@@ -129,7 +135,6 @@ class AbstractDetector(metaclass=abc.ABCMeta):
                     self.logger.error(yellow('Malformed input. Example of valid input: 0,1,2,3'))
         return results
 
-
     @property
     def color(self):
         return classification_colors[self.IMPACT]
@@ -156,139 +161,152 @@ class AbstractDetector(metaclass=abc.ABCMeta):
             element['additional_fields'] = additional_fields
         return element
 
-    @staticmethod
-    def _create_parent_element(element):
+    def _create_parent_element(self, element):
         from slither.core.children.child_contract import ChildContract
         from slither.core.children.child_function import ChildFunction
         from slither.core.children.child_inheritance import ChildInheritance
         if isinstance(element, ChildInheritance):
             if element.contract_declarer:
                 contract = {'elements': []}
-                AbstractDetector.add_contract_to_json(element.contract_declarer, contract)
+                self.add_contract_to_json(element.contract_declarer, contract)
                 return contract['elements'][0]
         elif isinstance(element, ChildContract):
             if element.contract:
                 contract = {'elements': []}
-                AbstractDetector.add_contract_to_json(element.contract, contract)
+                self.add_contract_to_json(element.contract, contract)
                 return contract['elements'][0]
         elif isinstance(element, ChildFunction):
             if element.function:
                 function = {'elements': []}
-                AbstractDetector.add_function_to_json(element.function, function)
+                self.add_function_to_json(element.function, function)
                 return function['elements'][0]
         return None
 
-    @staticmethod
-    def add_variable_to_json(variable, d, additional_fields={}):
+    def add_variable_to_json(self, variable, d, additional_fields={}):
         type_specific_fields = {
-            'parent': AbstractDetector._create_parent_element(variable)
+            'parent': self._create_parent_element(variable)
         }
-        element = AbstractDetector._create_base_element('variable',
-                                                        variable.name,
-                                                        variable.source_mapping,
-                                                        type_specific_fields,
-                                                        additional_fields)
+        element = self._create_base_element('variable',
+                                            variable.name,
+                                            variable.source_mapping,
+                                            type_specific_fields,
+                                            additional_fields)
         d['elements'].append(element)
 
-    @staticmethod
-    def add_variables_to_json(variables, d):
+    def add_variables_to_json(self, variables, d):
         for variable in sorted(variables, key=lambda x:x.name):
-            AbstractDetector.add_variable_to_json(variable, d)
-
-    @staticmethod
-    def add_contract_to_json(contract, d, additional_fields={}):
-        element = AbstractDetector._create_base_element('contract',
-                                                        contract.name,
-                                                        contract.source_mapping,
-                                                        {},
-                                                        additional_fields)
+            self.add_variable_to_json(variable, d)
+
+    def add_contract_to_json(self, contract, d, additional_fields={}):
+        element = self._create_base_element('contract',
+                                            contract.name,
+                                            contract.source_mapping,
+                                            {},
+                                            additional_fields)
         d['elements'].append(element)
 
-    @staticmethod
-    def add_function_to_json(function, d, additional_fields={}):
+    def add_function_to_json(self, function, d, additional_fields={}):
         type_specific_fields = {
-            'parent': AbstractDetector._create_parent_element(function),
+            'parent': self._create_parent_element(function),
             'signature': function.full_name
         }
-        element = AbstractDetector._create_base_element('function',
-                                                        function.name,
-                                                        function.source_mapping,
-                                                        type_specific_fields,
-                                                        additional_fields)
+        element = self._create_base_element('function',
+                                            function.name,
+                                            function.source_mapping,
+                                            type_specific_fields,
+                                            additional_fields)
         d['elements'].append(element)
 
-
-    @staticmethod
-    def add_functions_to_json(functions, d, additional_fields={}):
+    def add_functions_to_json(self, functions, d, additional_fields={}):
         for function in sorted(functions, key=lambda x: x.name):
-            AbstractDetector.add_function_to_json(function, d, additional_fields)
+            self.add_function_to_json(function, d, additional_fields)
 
-    @staticmethod
-    def add_enum_to_json(enum, d, additional_fields={}):
+    def add_enum_to_json(self, enum, d, additional_fields={}):
         type_specific_fields = {
-            'parent': AbstractDetector._create_parent_element(enum)
+            'parent': self._create_parent_element(enum)
         }
-        element = AbstractDetector._create_base_element('enum',
-                                                        enum.name,
-                                                        enum.source_mapping,
-                                                        type_specific_fields,
-                                                        additional_fields)
+        element = self._create_base_element('enum',
+                                            enum.name,
+                                            enum.source_mapping,
+                                            type_specific_fields,
+                                            additional_fields)
         d['elements'].append(element)
 
-    @staticmethod
-    def add_struct_to_json(struct, d, additional_fields={}):
+    def add_struct_to_json(self, struct, d, additional_fields={}):
         type_specific_fields = {
-            'parent': AbstractDetector._create_parent_element(struct)
+            'parent': self._create_parent_element(struct)
         }
-        element = AbstractDetector._create_base_element('struct',
-                                                        struct.name,
-                                                        struct.source_mapping,
-                                                        type_specific_fields,
-                                                        additional_fields)
+        element = self._create_base_element('struct',
+                                            struct.name,
+                                            struct.source_mapping,
+                                            type_specific_fields,
+                                            additional_fields)
         d['elements'].append(element)
 
-    @staticmethod
-    def add_event_to_json(event, d, additional_fields={}):
+    def add_event_to_json(self, event, d, additional_fields={}):
         type_specific_fields = {
-            'parent': AbstractDetector._create_parent_element(event),
+            'parent': self._create_parent_element(event),
             'signature': event.full_name
         }
-        element = AbstractDetector._create_base_element('event',
-                                                        event.name,
-                                                        event.source_mapping,
-                                                        type_specific_fields,
-                                                        additional_fields)
+        element = self._create_base_element('event',
+                                            event.name,
+                                            event.source_mapping,
+                                            type_specific_fields,
+                                            additional_fields)
 
         d['elements'].append(element)
 
-    @staticmethod
-    def add_node_to_json(node, d, additional_fields={}):
+    def add_node_to_json(self, node, d, additional_fields={}):
         type_specific_fields = {
-            'parent': AbstractDetector._create_parent_element(node),
+            'parent': self._create_parent_element(node),
         }
         node_name = str(node.expression) if node.expression else ""
-        element = AbstractDetector._create_base_element('node',
-                                                        node_name,
-                                                        node.source_mapping,
-                                                        type_specific_fields,
-                                                        additional_fields)
+        element = self._create_base_element('node',
+                                            node_name,
+                                            node.source_mapping,
+                                            type_specific_fields,
+                                            additional_fields)
         d['elements'].append(element)
 
-
-    @staticmethod
-    def add_nodes_to_json(nodes, d):
+    def add_nodes_to_json(self, nodes, d):
         for node in sorted(nodes, key=lambda x: x.node_id):
-            AbstractDetector.add_node_to_json(node, d)
+            self.add_node_to_json(node, d)
 
-    @staticmethod
-    def add_pragma_to_json(pragma, d, additional_fields={}):
+    def add_pragma_to_json(self, pragma, d, additional_fields={}):
         type_specific_fields = {
             'directive': pragma.directive
         }
-        element = AbstractDetector._create_base_element('pragma',
-                                                        pragma.version,
-                                                        pragma.source_mapping,
-                                                        type_specific_fields,
-                                                        additional_fields)
+        element = self._create_base_element('pragma',
+                                            pragma.version,
+                                            pragma.source_mapping,
+                                            type_specific_fields,
+                                            additional_fields)
+        d['elements'].append(element)
 
+    def add_other_to_json(self, name, source_mapping, d, additional_fields={}):
+        # If this a tuple with (filename, start, end), convert it to a source mapping.
+        if isinstance(source_mapping, tuple):
+            # Parse the source id
+            (filename, start, end) = source_mapping
+            source_id = next((source_unit_id for (source_unit_id, source_unit_filename) in self.slither.source_units.items() if source_unit_filename == filename), -1)
+
+            # Convert to a source mapping string
+            source_mapping = f"{start}:{end}:{source_id}"
+
+        # If this is a source mapping string, parse it.
+        if isinstance(source_mapping, str):
+            source_mapping_str = source_mapping
+            source_mapping = SourceMapping()
+            source_mapping.set_offset(source_mapping_str, self.slither)
+
+        # If this is a source mapping object, get the underlying source mapping dictionary
+        if isinstance(source_mapping, SourceMapping):
+            source_mapping = source_mapping.source_mapping
+
+        # Create the underlying element and add it to our resulting json
+        element = self._create_base_element('other',
+                                            name,
+                                            source_mapping,
+                                            {},
+                                            additional_fields)
         d['elements'].append(element)

slither/detectors/functions/external_function.py

@@ -13,7 +13,7 @@ class ExternalFunction(AbstractDetector):
 
     ARGUMENT = 'external-function'
     HELP = 'Public function that could be declared as external'
-    IMPACT = DetectorClassification.INFORMATIONAL
+    IMPACT = DetectorClassification.OPTIMIZATION
     CONFIDENCE = DetectorClassification.HIGH
 
     WIKI = 'https://github.com/crytic/slither/wiki/Detector-Documentation#public-function-that-could-be-declared-as-external'
@@ -96,6 +96,10 @@ class ExternalFunction(AbstractDetector):
                                        for function in derived_contract.functions
                                        if function.full_name == base_most_function.full_name]
 
+    @staticmethod
+    def function_parameters_written(function):
+        return any(p in function.variables_written for p in function.parameters)
+
     def _detect(self):
         results = []
 
@@ -130,6 +134,11 @@ class ExternalFunction(AbstractDetector):
                 if function in completed_functions:
                     continue
 
+                # If the function has parameters which are written-to in function body, we skip
+                # because parameters of external functions will be allocated in calldata region which is immutable
+                if self.function_parameters_written(function):
+                    continue
+                
                 # Get the base-most function to know our origin of this function.
                 base_most_function = self.get_base_most_function(function)
 

slither/detectors/naming_convention/naming_convention.py

@@ -104,6 +104,9 @@ Solidity defines a [naming convention](https://solidity.readthedocs.io/en/v0.4.2
                     results.append(json)
 
                 for argument in func.parameters:
+                    # Ignore parameter names that are not specified i.e. empty strings
+                    if argument.name == "":
+                        continue
                     if argument in func.variables_read_or_written:
                         correct_naming = self.is_mixed_case(argument.name)
                     else:

slither/detectors/source/rtlo.py

@@ -44,20 +44,39 @@ contract Token
 '''
     WIKI_RECOMMENDATION = 'Special control characters must not be allowed.'
 
+    RTLO_CHARACTER_ENCODED = "\u202e".encode('utf-8')
+
     def _detect(self):
         results = []
+        pattern = re.compile(".*\u202e.*".encode('utf-8'))
 
-        pattern = re.compile(".*\u202e.*")
         for filename, source in self.slither.source_code.items():
-            info = "{} contains a unicode right-to-left-override character:\n".format(filename)
-            found = False
-            for match in pattern.finditer(source):
-                match_line = match.group(0)
-                info += "\t- {}\n".format(match_line)
-                found = True
-
-            if found:
-                json = self.generate_json_result(info)
-                results.append(json)
+            # Attempt to find all RTLO characters in this source file.
+            original_source_encoded = source.encode('utf-8')
+            start_index = 0
+
+            # Keep searching all file contents for the character.
+            while True:
+                source_encoded = original_source_encoded[start_index:]
+                result_index = source_encoded.find(self.RTLO_CHARACTER_ENCODED)
+
+                # If we couldn't find the character in the remainder of source, stop.
+                if result_index == -1:
+                    break
+                else:
+                    # We found another instance of the character, define our output
+                    idx = start_index + result_index
+                    info = f"{filename} contains a unicode right-to-left-override character at byte offset {idx}:\n"
+
+                    # We have a patch, so pattern.find will return at least one result
+
+                    info += f"\t- {pattern.findall(source_encoded)[0]}\n"
+                    json = self.generate_json_result(info)
+                    self.add_other_to_json("rtlo-character",
+                                           (filename, idx, len(self.RTLO_CHARACTER_ENCODED)), json)
+                    results.append(json)
+
+                    # Advance the start index for the next iteration
+                    start_index = result_index + 1
 
         return results

slither/detectors/variables/possible_const_state_variables.py

@@ -18,7 +18,7 @@ class ConstCandidateStateVars(AbstractDetector):
 
     ARGUMENT = 'constable-states'
     HELP = 'State variables that could be declared constant'
-    IMPACT = DetectorClassification.INFORMATIONAL
+    IMPACT = DetectorClassification.OPTIMIZATION
     CONFIDENCE = DetectorClassification.HIGH
 
     WIKI = 'https://github.com/crytic/slither/wiki/Detector-Documentation#state-variables-that-could-be-declared-constant'

slither/slither.py

@@ -33,6 +33,7 @@ class Slither(SlitherSolc):
                 ast_format (str): ast format (default '--ast-compact-json')
                 filter_paths (list(str)): list of path to filter (default [])
                 triage_mode (bool): if true, switch to triage mode (default false)
+                exclude_dependencies (bool): if true, exclude results that are only related to dependencies
 
                 truffle_ignore (bool): ignore truffle.js presence (default false)
                 truffle_build_directory (str): build truffle directory (default 'build/contracts')
@@ -67,6 +68,8 @@ class Slither(SlitherSolc):
         for p in filter_paths:
             self.add_path_to_filter(p)
 
+        self._exclude_dependencies = kwargs.get('exclude_dependencies', False)
+
         triage_mode = kwargs.get('triage_mode', False)
         self._triage_mode = triage_mode
 

tests/expected_json/arbitrary_send-0.5.1.arbitrary-send.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/arbitrary_send-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
               "filename_short": "tests/arbitrary_send-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 11,
                 12,
@@ -38,6 +39,7 @@
                   "filename_relative": "tests/arbitrary_send-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
                   "filename_short": "tests/arbitrary_send-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -98,6 +100,7 @@
               "filename_relative": "tests/arbitrary_send-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
               "filename_short": "tests/arbitrary_send-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 12
               ],
@@ -115,6 +118,7 @@
                   "filename_relative": "tests/arbitrary_send-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
                   "filename_short": "tests/arbitrary_send-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     11,
                     12,
@@ -134,6 +138,7 @@
                       "filename_relative": "tests/arbitrary_send-0.5.1.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
                       "filename_short": "tests/arbitrary_send-0.5.1.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -204,6 +209,7 @@
               "filename_relative": "tests/arbitrary_send-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
               "filename_short": "tests/arbitrary_send-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 19,
                 20,
@@ -223,6 +229,7 @@
                   "filename_relative": "tests/arbitrary_send-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
                   "filename_short": "tests/arbitrary_send-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -283,6 +290,7 @@
               "filename_relative": "tests/arbitrary_send-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
               "filename_short": "tests/arbitrary_send-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 20
               ],
@@ -300,6 +308,7 @@
                   "filename_relative": "tests/arbitrary_send-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
                   "filename_short": "tests/arbitrary_send-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     19,
                     20,
@@ -319,6 +328,7 @@
                       "filename_relative": "tests/arbitrary_send-0.5.1.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send-0.5.1.sol",
                       "filename_short": "tests/arbitrary_send-0.5.1.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,

tests/expected_json/arbitrary_send.arbitrary-send.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/arbitrary_send.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
               "filename_short": "tests/arbitrary_send.sol",
+              "is_dependency": false,
               "lines": [
                 11,
                 12,
@@ -38,6 +39,7 @@
                   "filename_relative": "tests/arbitrary_send.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
                   "filename_short": "tests/arbitrary_send.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -98,6 +100,7 @@
               "filename_relative": "tests/arbitrary_send.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
               "filename_short": "tests/arbitrary_send.sol",
+              "is_dependency": false,
               "lines": [
                 12
               ],
@@ -115,6 +118,7 @@
                   "filename_relative": "tests/arbitrary_send.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
                   "filename_short": "tests/arbitrary_send.sol",
+                  "is_dependency": false,
                   "lines": [
                     11,
                     12,
@@ -134,6 +138,7 @@
                       "filename_relative": "tests/arbitrary_send.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
                       "filename_short": "tests/arbitrary_send.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -204,6 +209,7 @@
               "filename_relative": "tests/arbitrary_send.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
               "filename_short": "tests/arbitrary_send.sol",
+              "is_dependency": false,
               "lines": [
                 19,
                 20,
@@ -223,6 +229,7 @@
                   "filename_relative": "tests/arbitrary_send.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
                   "filename_short": "tests/arbitrary_send.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -283,6 +290,7 @@
               "filename_relative": "tests/arbitrary_send.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
               "filename_short": "tests/arbitrary_send.sol",
+              "is_dependency": false,
               "lines": [
                 20
               ],
@@ -300,6 +308,7 @@
                   "filename_relative": "tests/arbitrary_send.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
                   "filename_short": "tests/arbitrary_send.sol",
+                  "is_dependency": false,
                   "lines": [
                     19,
                     20,
@@ -319,6 +328,7 @@
                       "filename_relative": "tests/arbitrary_send.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/arbitrary_send.sol",
                       "filename_short": "tests/arbitrary_send.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,

tests/expected_json/backdoor.backdoor.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/backdoor.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/backdoor.sol",
               "filename_short": "tests/backdoor.sol",
+              "is_dependency": false,
               "lines": [
                 4,
                 5,
@@ -38,6 +39,7 @@
                   "filename_relative": "tests/backdoor.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/backdoor.sol",
                   "filename_short": "tests/backdoor.sol",
+                  "is_dependency": false,
                   "lines": [
                     2,
                     3,

tests/expected_json/backdoor.suicidal.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/backdoor.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/backdoor.sol",
               "filename_short": "tests/backdoor.sol",
+              "is_dependency": false,
               "lines": [
                 4,
                 5,
@@ -38,6 +39,7 @@
                   "filename_relative": "tests/backdoor.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/backdoor.sol",
                   "filename_short": "tests/backdoor.sol",
+                  "is_dependency": false,
                   "lines": [
                     2,
                     3,

tests/expected_json/const_state_variables.constable-states.json

@@ -5,7 +5,7 @@
     "detectors": [
       {
         "check": "constable-states",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "A.myFriendsAddress should be constant (tests/const_state_variables.sol#7)\n",
         "elements": [
@@ -19,6 +19,7 @@
               "filename_relative": "tests/const_state_variables.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
               "filename_short": "tests/const_state_variables.sol",
+              "is_dependency": false,
               "lines": [
                 7
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/const_state_variables.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
                   "filename_short": "tests/const_state_variables.sol",
+                  "is_dependency": false,
                   "lines": [
                     4,
                     5,
@@ -66,7 +68,7 @@
       },
       {
         "check": "constable-states",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "A.test should be constant (tests/const_state_variables.sol#10)\n",
         "elements": [
@@ -80,6 +82,7 @@
               "filename_relative": "tests/const_state_variables.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
               "filename_short": "tests/const_state_variables.sol",
+              "is_dependency": false,
               "lines": [
                 10
               ],
@@ -97,6 +100,7 @@
                   "filename_relative": "tests/const_state_variables.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
                   "filename_short": "tests/const_state_variables.sol",
+                  "is_dependency": false,
                   "lines": [
                     4,
                     5,
@@ -127,7 +131,7 @@
       },
       {
         "check": "constable-states",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "A.text2 should be constant (tests/const_state_variables.sol#14)\n",
         "elements": [
@@ -141,6 +145,7 @@
               "filename_relative": "tests/const_state_variables.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
               "filename_short": "tests/const_state_variables.sol",
+              "is_dependency": false,
               "lines": [
                 14
               ],
@@ -158,6 +163,7 @@
                   "filename_relative": "tests/const_state_variables.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
                   "filename_short": "tests/const_state_variables.sol",
+                  "is_dependency": false,
                   "lines": [
                     4,
                     5,
@@ -188,7 +194,7 @@
       },
       {
         "check": "constable-states",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "B.mySistersAddress should be constant (tests/const_state_variables.sol#26)\n",
         "elements": [
@@ -202,6 +208,7 @@
               "filename_relative": "tests/const_state_variables.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
               "filename_short": "tests/const_state_variables.sol",
+              "is_dependency": false,
               "lines": [
                 26
               ],
@@ -219,6 +226,7 @@
                   "filename_relative": "tests/const_state_variables.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
                   "filename_short": "tests/const_state_variables.sol",
+                  "is_dependency": false,
                   "lines": [
                     24,
                     25,
@@ -245,7 +253,7 @@
       },
       {
         "check": "constable-states",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "MyConc.should_be_constant should be constant (tests/const_state_variables.sol#42)\n",
         "elements": [
@@ -259,6 +267,7 @@
               "filename_relative": "tests/const_state_variables.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
               "filename_short": "tests/const_state_variables.sol",
+              "is_dependency": false,
               "lines": [
                 42
               ],
@@ -276,6 +285,7 @@
                   "filename_relative": "tests/const_state_variables.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
                   "filename_short": "tests/const_state_variables.sol",
+                  "is_dependency": false,
                   "lines": [
                     39,
                     40,
@@ -302,7 +312,7 @@
       },
       {
         "check": "constable-states",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "MyConc.should_be_constant_2 should be constant (tests/const_state_variables.sol#43)\n",
         "elements": [
@@ -316,6 +326,7 @@
               "filename_relative": "tests/const_state_variables.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
               "filename_short": "tests/const_state_variables.sol",
+              "is_dependency": false,
               "lines": [
                 43
               ],
@@ -333,6 +344,7 @@
                   "filename_relative": "tests/const_state_variables.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/const_state_variables.sol",
                   "filename_short": "tests/const_state_variables.sol",
+                  "is_dependency": false,
                   "lines": [
                     39,
                     40,

tests/expected_json/constant-0.5.1.constant-function.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/constant-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/constant-0.5.1.sol",
               "filename_short": "tests/constant-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 15,
                 16,
@@ -38,6 +39,7 @@
                   "filename_relative": "tests/constant-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/constant-0.5.1.sol",
                   "filename_short": "tests/constant-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,

tests/expected_json/constant.constant-function.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/constant.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
               "filename_short": "tests/constant.sol",
+              "is_dependency": false,
               "lines": [
                 5,
                 6,
@@ -38,6 +39,7 @@
                   "filename_relative": "tests/constant.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
                   "filename_short": "tests/constant.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -82,6 +84,7 @@
               "filename_relative": "tests/constant.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
               "filename_short": "tests/constant.sol",
+              "is_dependency": false,
               "lines": [
                 3
               ],
@@ -99,6 +102,7 @@
                   "filename_relative": "tests/constant.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
                   "filename_short": "tests/constant.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -153,6 +157,7 @@
               "filename_relative": "tests/constant.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
               "filename_short": "tests/constant.sol",
+              "is_dependency": false,
               "lines": [
                 9,
                 10,
@@ -172,6 +177,7 @@
                   "filename_relative": "tests/constant.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
                   "filename_short": "tests/constant.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -216,6 +222,7 @@
               "filename_relative": "tests/constant.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
               "filename_short": "tests/constant.sol",
+              "is_dependency": false,
               "lines": [
                 3
               ],
@@ -233,6 +240,7 @@
                   "filename_relative": "tests/constant.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
                   "filename_short": "tests/constant.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -287,6 +295,7 @@
               "filename_relative": "tests/constant.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
               "filename_short": "tests/constant.sol",
+              "is_dependency": false,
               "lines": [
                 22,
                 23,
@@ -306,6 +315,7 @@
                   "filename_relative": "tests/constant.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/constant.sol",
                   "filename_short": "tests/constant.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,

tests/expected_json/controlled_delegatecall.controlled-delegatecall.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/controlled_delegatecall.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
               "filename_short": "tests/controlled_delegatecall.sol",
+              "is_dependency": false,
               "lines": [
                 10
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/controlled_delegatecall.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
                   "filename_short": "tests/controlled_delegatecall.sol",
+                  "is_dependency": false,
                   "lines": [
                     8,
                     9,
@@ -56,6 +58,7 @@
                       "filename_relative": "tests/controlled_delegatecall.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
                       "filename_short": "tests/controlled_delegatecall.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -102,6 +105,7 @@
               "filename_relative": "tests/controlled_delegatecall.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
               "filename_short": "tests/controlled_delegatecall.sol",
+              "is_dependency": false,
               "lines": [
                 8,
                 9,
@@ -122,6 +126,7 @@
                   "filename_relative": "tests/controlled_delegatecall.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
                   "filename_short": "tests/controlled_delegatecall.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -174,6 +179,7 @@
               "filename_relative": "tests/controlled_delegatecall.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
               "filename_short": "tests/controlled_delegatecall.sol",
+              "is_dependency": false,
               "lines": [
                 19
               ],
@@ -191,6 +197,7 @@
                   "filename_relative": "tests/controlled_delegatecall.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
                   "filename_short": "tests/controlled_delegatecall.sol",
+                  "is_dependency": false,
                   "lines": [
                     18,
                     19,
@@ -210,6 +217,7 @@
                       "filename_relative": "tests/controlled_delegatecall.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
                       "filename_short": "tests/controlled_delegatecall.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -256,6 +264,7 @@
               "filename_relative": "tests/controlled_delegatecall.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
               "filename_short": "tests/controlled_delegatecall.sol",
+              "is_dependency": false,
               "lines": [
                 18,
                 19,
@@ -275,6 +284,7 @@
                   "filename_relative": "tests/controlled_delegatecall.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/controlled_delegatecall.sol",
                   "filename_short": "tests/controlled_delegatecall.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,

tests/expected_json/deprecated_calls.deprecated-standards.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/deprecated_calls.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
               "filename_short": "tests/deprecated_calls.sol",
+              "is_dependency": false,
               "lines": [
                 2
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/deprecated_calls.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                   "filename_short": "tests/deprecated_calls.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,
@@ -89,6 +91,7 @@
               "filename_relative": "tests/deprecated_calls.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
               "filename_short": "tests/deprecated_calls.sol",
+              "is_dependency": false,
               "lines": [
                 7
               ],
@@ -106,6 +109,7 @@
                   "filename_relative": "tests/deprecated_calls.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                   "filename_short": "tests/deprecated_calls.sol",
+                  "is_dependency": false,
                   "lines": [
                     5,
                     6,
@@ -129,6 +133,7 @@
                       "filename_relative": "tests/deprecated_calls.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                       "filename_short": "tests/deprecated_calls.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -185,6 +190,7 @@
               "filename_relative": "tests/deprecated_calls.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
               "filename_short": "tests/deprecated_calls.sol",
+              "is_dependency": false,
               "lines": [
                 9
               ],
@@ -202,6 +208,7 @@
                   "filename_relative": "tests/deprecated_calls.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                   "filename_short": "tests/deprecated_calls.sol",
+                  "is_dependency": false,
                   "lines": [
                     5,
                     6,
@@ -225,6 +232,7 @@
                       "filename_relative": "tests/deprecated_calls.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                       "filename_short": "tests/deprecated_calls.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -281,6 +289,7 @@
               "filename_relative": "tests/deprecated_calls.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
               "filename_short": "tests/deprecated_calls.sol",
+              "is_dependency": false,
               "lines": [
                 16
               ],
@@ -298,6 +307,7 @@
                   "filename_relative": "tests/deprecated_calls.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                   "filename_short": "tests/deprecated_calls.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -327,6 +337,7 @@
                       "filename_relative": "tests/deprecated_calls.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                       "filename_short": "tests/deprecated_calls.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -383,6 +394,7 @@
               "filename_relative": "tests/deprecated_calls.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
               "filename_short": "tests/deprecated_calls.sol",
+              "is_dependency": false,
               "lines": [
                 19
               ],
@@ -400,6 +412,7 @@
                   "filename_relative": "tests/deprecated_calls.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                   "filename_short": "tests/deprecated_calls.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -429,6 +442,7 @@
                       "filename_relative": "tests/deprecated_calls.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                       "filename_short": "tests/deprecated_calls.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -485,6 +499,7 @@
               "filename_relative": "tests/deprecated_calls.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
               "filename_short": "tests/deprecated_calls.sol",
+              "is_dependency": false,
               "lines": [
                 22
               ],
@@ -502,6 +517,7 @@
                   "filename_relative": "tests/deprecated_calls.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                   "filename_short": "tests/deprecated_calls.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -531,6 +547,7 @@
                       "filename_relative": "tests/deprecated_calls.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                       "filename_short": "tests/deprecated_calls.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -587,6 +604,7 @@
               "filename_relative": "tests/deprecated_calls.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
               "filename_short": "tests/deprecated_calls.sol",
+              "is_dependency": false,
               "lines": [
                 25
               ],
@@ -604,6 +622,7 @@
                   "filename_relative": "tests/deprecated_calls.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                   "filename_short": "tests/deprecated_calls.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -633,6 +652,7 @@
                       "filename_relative": "tests/deprecated_calls.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/deprecated_calls.sol",
                       "filename_short": "tests/deprecated_calls.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,

tests/expected_json/erc20_indexed.erc20-indexed.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/erc20_indexed.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
               "filename_short": "tests/erc20_indexed.sol",
+              "is_dependency": false,
               "lines": [
                 19
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/erc20_indexed.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
                   "filename_short": "tests/erc20_indexed.sol",
+                  "is_dependency": false,
                   "lines": [
                     12,
                     13,
@@ -76,6 +78,7 @@
               "filename_relative": "tests/erc20_indexed.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
               "filename_short": "tests/erc20_indexed.sol",
+              "is_dependency": false,
               "lines": [
                 19
               ],
@@ -93,6 +96,7 @@
                   "filename_relative": "tests/erc20_indexed.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
                   "filename_short": "tests/erc20_indexed.sol",
+                  "is_dependency": false,
                   "lines": [
                     12,
                     13,
@@ -133,6 +137,7 @@
               "filename_relative": "tests/erc20_indexed.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
               "filename_short": "tests/erc20_indexed.sol",
+              "is_dependency": false,
               "lines": [
                 20
               ],
@@ -150,6 +155,7 @@
                   "filename_relative": "tests/erc20_indexed.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
                   "filename_short": "tests/erc20_indexed.sol",
+                  "is_dependency": false,
                   "lines": [
                     12,
                     13,
@@ -190,6 +196,7 @@
               "filename_relative": "tests/erc20_indexed.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
               "filename_short": "tests/erc20_indexed.sol",
+              "is_dependency": false,
               "lines": [
                 20
               ],
@@ -207,6 +214,7 @@
                   "filename_relative": "tests/erc20_indexed.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/erc20_indexed.sol",
                   "filename_short": "tests/erc20_indexed.sol",
+                  "is_dependency": false,
                   "lines": [
                     12,
                     13,

tests/expected_json/external_function.external-function.json

@@ -5,7 +5,7 @@
     "detectors": [
       {
         "check": "external-function",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "ContractWithFunctionNotCalled.funcNotCalled3() (tests/external_function.sol#13-15) should be declared external\n",
         "elements": [
@@ -19,6 +19,7 @@
               "filename_relative": "tests/external_function.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
               "filename_short": "tests/external_function.sol",
+              "is_dependency": false,
               "lines": [
                 13,
                 14,
@@ -38,6 +39,7 @@
                   "filename_relative": "tests/external_function.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
                   "filename_short": "tests/external_function.sol",
+                  "is_dependency": false,
                   "lines": [
                     11,
                     12,
@@ -70,7 +72,7 @@
       },
       {
         "check": "external-function",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "ContractWithFunctionNotCalled.funcNotCalled2() (tests/external_function.sol#17-19) should be declared external\n",
         "elements": [
@@ -84,6 +86,7 @@
               "filename_relative": "tests/external_function.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
               "filename_short": "tests/external_function.sol",
+              "is_dependency": false,
               "lines": [
                 17,
                 18,
@@ -103,6 +106,7 @@
                   "filename_relative": "tests/external_function.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
                   "filename_short": "tests/external_function.sol",
+                  "is_dependency": false,
                   "lines": [
                     11,
                     12,
@@ -135,7 +139,7 @@
       },
       {
         "check": "external-function",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "ContractWithFunctionNotCalled.funcNotCalled() (tests/external_function.sol#21-23) should be declared external\n",
         "elements": [
@@ -149,6 +153,7 @@
               "filename_relative": "tests/external_function.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
               "filename_short": "tests/external_function.sol",
+              "is_dependency": false,
               "lines": [
                 21,
                 22,
@@ -168,6 +173,7 @@
                   "filename_relative": "tests/external_function.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
                   "filename_short": "tests/external_function.sol",
+                  "is_dependency": false,
                   "lines": [
                     11,
                     12,
@@ -200,7 +206,7 @@
       },
       {
         "check": "external-function",
-        "impact": "Informational",
+        "impact": "Optimization",
         "confidence": "High",
         "description": "ContractWithFunctionNotCalled2.funcNotCalled() (tests/external_function.sol#32-39) should be declared external\n",
         "elements": [
@@ -214,6 +220,7 @@
               "filename_relative": "tests/external_function.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
               "filename_short": "tests/external_function.sol",
+              "is_dependency": false,
               "lines": [
                 32,
                 33,
@@ -238,6 +245,7 @@
                   "filename_relative": "tests/external_function.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
                   "filename_short": "tests/external_function.sol",
+                  "is_dependency": false,
                   "lines": [
                     31,
                     32,
@@ -258,6 +266,65 @@
             }
           }
         ]
+      },
+      {
+        "check": "external-function",
+        "impact": "Optimization",
+        "confidence": "High",
+        "description": "FunctionParameterWrite.parameter_read_ok_for_external(uint256) (tests/external_function.sol#74-76) should be declared external\n",
+        "elements": [
+          {
+            "type": "function",
+            "name": "parameter_read_ok_for_external",
+            "source_mapping": {
+              "start": 1420,
+              "length": 81,
+              "filename_used": "/home/travis/build/crytic/slither/tests/external_function.sol",
+              "filename_relative": "tests/external_function.sol",
+              "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
+              "filename_short": "tests/external_function.sol",
+              "is_dependency": false,
+              "lines": [
+                74,
+                75,
+                76
+              ],
+              "starting_column": 3,
+              "ending_column": 4
+            },
+            "type_specific_fields": {
+              "parent": {
+                "type": "contract",
+                "name": "FunctionParameterWrite",
+                "source_mapping": {
+                  "start": 1381,
+                  "length": 234,
+                  "filename_used": "/home/travis/build/crytic/slither/tests/external_function.sol",
+                  "filename_relative": "tests/external_function.sol",
+                  "filename_absolute": "/home/travis/build/crytic/slither/tests/external_function.sol",
+                  "filename_short": "tests/external_function.sol",
+                  "is_dependency": false,
+                  "lines": [
+                    72,
+                    73,
+                    74,
+                    75,
+                    76,
+                    77,
+                    78,
+                    79,
+                    80,
+                    81,
+                    82
+                  ],
+                  "starting_column": 1,
+                  "ending_column": 2
+                }
+              },
+              "signature": "parameter_read_ok_for_external(uint256)"
+            }
+          }
+        ]
       }
     ]
   }

tests/expected_json/external_function.external-function.txt

@@ -3,5 +3,6 @@ ContractWithFunctionNotCalled.funcNotCalled3() (tests/external_function.sol#13-1
 ContractWithFunctionNotCalled.funcNotCalled2() (tests/external_function.sol#17-19) should be declared external
 ContractWithFunctionNotCalled.funcNotCalled() (tests/external_function.sol#21-23) should be declared external
 ContractWithFunctionNotCalled2.funcNotCalled() (tests/external_function.sol#32-39) should be declared external
+FunctionParameterWrite.parameter_read_ok_for_external(uint256) (tests/external_function.sol#74-76) should be declared external
 Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#public-function-that-could-be-declared-as-external
-INFO:Slither:tests/external_function.sol analyzed (5 contracts), 4 result(s) found
+INFO:Slither:tests/external_function.sol analyzed (6 contracts), 5 result(s) found

tests/expected_json/incorrect_equality.incorrect-equality.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/incorrect_equality.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
               "filename_short": "tests/incorrect_equality.sol",
+              "is_dependency": false,
               "lines": [
                 22
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/incorrect_equality.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                   "filename_short": "tests/incorrect_equality.sol",
+                  "is_dependency": false,
                   "lines": [
                     21,
                     22,
@@ -55,6 +57,7 @@
                       "filename_relative": "tests/incorrect_equality.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                       "filename_short": "tests/incorrect_equality.sol",
+                      "is_dependency": false,
                       "lines": [
                         10,
                         11,
@@ -95,6 +98,7 @@
               "filename_relative": "tests/incorrect_equality.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
               "filename_short": "tests/incorrect_equality.sol",
+              "is_dependency": false,
               "lines": [
                 21,
                 22,
@@ -114,6 +118,7 @@
                   "filename_relative": "tests/incorrect_equality.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                   "filename_short": "tests/incorrect_equality.sol",
+                  "is_dependency": false,
                   "lines": [
                     10,
                     11,
@@ -160,6 +165,7 @@
               "filename_relative": "tests/incorrect_equality.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
               "filename_short": "tests/incorrect_equality.sol",
+              "is_dependency": false,
               "lines": [
                 26
               ],
@@ -177,6 +183,7 @@
                   "filename_relative": "tests/incorrect_equality.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                   "filename_short": "tests/incorrect_equality.sol",
+                  "is_dependency": false,
                   "lines": [
                     25,
                     26,
@@ -196,6 +203,7 @@
                       "filename_relative": "tests/incorrect_equality.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                       "filename_short": "tests/incorrect_equality.sol",
+                      "is_dependency": false,
                       "lines": [
                         10,
                         11,
@@ -236,6 +244,7 @@
               "filename_relative": "tests/incorrect_equality.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
               "filename_short": "tests/incorrect_equality.sol",
+              "is_dependency": false,
               "lines": [
                 25,
                 26,
@@ -255,6 +264,7 @@
                   "filename_relative": "tests/incorrect_equality.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                   "filename_short": "tests/incorrect_equality.sol",
+                  "is_dependency": false,
                   "lines": [
                     10,
                     11,
@@ -301,6 +311,7 @@
               "filename_relative": "tests/incorrect_equality.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
               "filename_short": "tests/incorrect_equality.sol",
+              "is_dependency": false,
               "lines": [
                 33
               ],
@@ -318,6 +329,7 @@
                   "filename_relative": "tests/incorrect_equality.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                   "filename_short": "tests/incorrect_equality.sol",
+                  "is_dependency": false,
                   "lines": [
                     32,
                     33,
@@ -338,6 +350,7 @@
                       "filename_relative": "tests/incorrect_equality.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                       "filename_short": "tests/incorrect_equality.sol",
+                      "is_dependency": false,
                       "lines": [
                         30,
                         31,
@@ -427,6 +440,7 @@
               "filename_relative": "tests/incorrect_equality.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
               "filename_short": "tests/incorrect_equality.sol",
+              "is_dependency": false,
               "lines": [
                 32,
                 33,
@@ -447,6 +461,7 @@
                   "filename_relative": "tests/incorrect_equality.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                   "filename_short": "tests/incorrect_equality.sol",
+                  "is_dependency": false,
                   "lines": [
                     30,
                     31,
@@ -542,6 +557,7 @@
               "filename_relative": "tests/incorrect_equality.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
               "filename_short": "tests/incorrect_equality.sol",
+              "is_dependency": false,
               "lines": [
                 38
               ],
@@ -559,6 +575,7 @@
                   "filename_relative": "tests/incorrect_equality.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                   "filename_short": "tests/incorrect_equality.sol",
+                  "is_dependency": false,
                   "lines": [
                     37,
                     38,
@@ -579,6 +596,7 @@
                       "filename_relative": "tests/incorrect_equality.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/incorrect_equality.sol",
                       "filename_short": "tests/incorrect_equality.sol",
+                      "is_dependency": false,
                       "lines": [
                         30,
                         31,
@@ -668,6 +686,7 @@
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tests/expected_json/inline_assembly_contract-0.5.1.assembly.json

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tests/expected_json/inline_assembly_contract.assembly.json

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tests/expected_json/inline_assembly_library-0.5.1.assembly.json

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tests/expected_json/locked_ether-0.5.1.locked-ether.json

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tests/expected_json/low_level_calls.low-level-calls.json

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tests/expected_json/multiple_calls_in_loop.calls-loop.json

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                   "filename_absolute": "/home/travis/build/crytic/slither/tests/naming_convention.sol",
                   "filename_short": "tests/naming_convention.sol",
+                  "is_dependency": false,
                   "lines": [
                     59,
                     60
@@ -905,6 +925,7 @@
                       "filename_relative": "tests/naming_convention.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/naming_convention.sol",
                       "filename_short": "tests/naming_convention.sol",
+                      "is_dependency": false,
                       "lines": [
                         54,
                         55,
@@ -953,6 +974,7 @@
               "filename_relative": "tests/naming_convention.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/naming_convention.sol",
               "filename_short": "tests/naming_convention.sol",
+              "is_dependency": false,
               "lines": [
                 56
               ],
@@ -970,6 +992,7 @@
                   "filename_relative": "tests/naming_convention.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/naming_convention.sol",
                   "filename_short": "tests/naming_convention.sol",
+                  "is_dependency": false,
                   "lines": [
                     54,
                     55,
@@ -1015,6 +1038,7 @@
               "filename_relative": "tests/naming_convention.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/naming_convention.sol",
               "filename_short": "tests/naming_convention.sol",
+              "is_dependency": false,
               "lines": [
                 67
               ],
@@ -1032,6 +1056,7 @@
                   "filename_relative": "tests/naming_convention.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/naming_convention.sol",
                   "filename_short": "tests/naming_convention.sol",
+                  "is_dependency": false,
                   "lines": [
                     54,
                     55,

tests/expected_json/naming_convention.naming-convention.txt

@@ -12,4 +12,4 @@ Parameter '_used' of _used (tests/naming_convention.sol#59) is not in mixedCase
 Variable 'T._myPublicVar' (tests/naming_convention.sol#56) is not in mixedCase
 Variable 'T.l' (tests/naming_convention.sol#67) used l, O, I, which should not be used
 Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#conformance-to-solidity-naming-conventions
-INFO:Slither:tests/naming_convention.sol analyzed (3 contracts), 12 result(s) found
+INFO:Slither:tests/naming_convention.sol analyzed (4 contracts), 12 result(s) found

tests/expected_json/old_solc.sol.json.solc-version.json

@@ -19,6 +19,7 @@
               "filename_relative": null,
               "filename_absolute": null,
               "filename_short": null,
+              "is_dependency": false,
               "lines": [],
               "starting_column": null,
               "ending_column": null

tests/expected_json/pragma.0.4.24.pragma.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/pragma.0.4.23.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/pragma.0.4.23.sol",
               "filename_short": "tests/pragma.0.4.23.sol",
+              "is_dependency": false,
               "lines": [
                 1
               ],
@@ -44,6 +45,7 @@
               "filename_relative": "tests/pragma.0.4.24.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/pragma.0.4.24.sol",
               "filename_short": "tests/pragma.0.4.24.sol",
+              "is_dependency": false,
               "lines": [
                 1
               ],

tests/expected_json/reentrancy-0.5.1.reentrancy-eth.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/reentrancy-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
               "filename_short": "tests/reentrancy-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 14,
                 15,
@@ -44,6 +45,7 @@
                   "filename_relative": "tests/reentrancy-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                   "filename_short": "tests/reentrancy-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -115,6 +117,7 @@
               "filename_relative": "tests/reentrancy-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
               "filename_short": "tests/reentrancy-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 17
               ],
@@ -132,6 +135,7 @@
                   "filename_relative": "tests/reentrancy-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                   "filename_short": "tests/reentrancy-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -157,6 +161,7 @@
                       "filename_relative": "tests/reentrancy-0.5.1.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                       "filename_short": "tests/reentrancy-0.5.1.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,
@@ -233,6 +238,7 @@
               "filename_relative": "tests/reentrancy-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
               "filename_short": "tests/reentrancy-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 21
               ],
@@ -250,6 +256,7 @@
                   "filename_relative": "tests/reentrancy-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                   "filename_short": "tests/reentrancy-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -275,6 +282,7 @@
                       "filename_relative": "tests/reentrancy-0.5.1.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                       "filename_short": "tests/reentrancy-0.5.1.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,
@@ -360,6 +368,7 @@
               "filename_relative": "tests/reentrancy-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
               "filename_short": "tests/reentrancy-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 44,
                 45,
@@ -386,6 +395,7 @@
                   "filename_relative": "tests/reentrancy-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                   "filename_short": "tests/reentrancy-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -457,6 +467,7 @@
               "filename_relative": "tests/reentrancy-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
               "filename_short": "tests/reentrancy-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 49
               ],
@@ -474,6 +485,7 @@
                   "filename_relative": "tests/reentrancy-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                   "filename_short": "tests/reentrancy-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     44,
                     45,
@@ -500,6 +512,7 @@
                       "filename_relative": "tests/reentrancy-0.5.1.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                       "filename_short": "tests/reentrancy-0.5.1.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,
@@ -576,6 +589,7 @@
               "filename_relative": "tests/reentrancy-0.5.1.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
               "filename_short": "tests/reentrancy-0.5.1.sol",
+              "is_dependency": false,
               "lines": [
                 51
               ],
@@ -593,6 +607,7 @@
                   "filename_relative": "tests/reentrancy-0.5.1.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                   "filename_short": "tests/reentrancy-0.5.1.sol",
+                  "is_dependency": false,
                   "lines": [
                     44,
                     45,
@@ -619,6 +634,7 @@
                       "filename_relative": "tests/reentrancy-0.5.1.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy-0.5.1.sol",
                       "filename_short": "tests/reentrancy-0.5.1.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,

tests/expected_json/reentrancy.reentrancy-eth.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/reentrancy.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
               "filename_short": "tests/reentrancy.sol",
+              "is_dependency": false,
               "lines": [
                 14,
                 15,
@@ -43,6 +44,7 @@
                   "filename_relative": "tests/reentrancy.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                   "filename_short": "tests/reentrancy.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -132,6 +134,7 @@
               "filename_relative": "tests/reentrancy.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
               "filename_short": "tests/reentrancy.sol",
+              "is_dependency": false,
               "lines": [
                 17
               ],
@@ -149,6 +152,7 @@
                   "filename_relative": "tests/reentrancy.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                   "filename_short": "tests/reentrancy.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -173,6 +177,7 @@
                       "filename_relative": "tests/reentrancy.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                       "filename_short": "tests/reentrancy.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,
@@ -267,6 +272,7 @@
               "filename_relative": "tests/reentrancy.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
               "filename_short": "tests/reentrancy.sol",
+              "is_dependency": false,
               "lines": [
                 20
               ],
@@ -284,6 +290,7 @@
                   "filename_relative": "tests/reentrancy.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                   "filename_short": "tests/reentrancy.sol",
+                  "is_dependency": false,
                   "lines": [
                     14,
                     15,
@@ -308,6 +315,7 @@
                       "filename_relative": "tests/reentrancy.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                       "filename_short": "tests/reentrancy.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,
@@ -411,6 +419,7 @@
               "filename_relative": "tests/reentrancy.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
               "filename_short": "tests/reentrancy.sol",
+              "is_dependency": false,
               "lines": [
                 64,
                 65,
@@ -434,6 +443,7 @@
                   "filename_relative": "tests/reentrancy.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                   "filename_short": "tests/reentrancy.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -523,6 +533,7 @@
               "filename_relative": "tests/reentrancy.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
               "filename_short": "tests/reentrancy.sol",
+              "is_dependency": false,
               "lines": [
                 67
               ],
@@ -540,6 +551,7 @@
                   "filename_relative": "tests/reentrancy.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                   "filename_short": "tests/reentrancy.sol",
+                  "is_dependency": false,
                   "lines": [
                     64,
                     65,
@@ -563,6 +575,7 @@
                       "filename_relative": "tests/reentrancy.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                       "filename_short": "tests/reentrancy.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,
@@ -657,6 +670,7 @@
               "filename_relative": "tests/reentrancy.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
               "filename_short": "tests/reentrancy.sol",
+              "is_dependency": false,
               "lines": [
                 68
               ],
@@ -674,6 +688,7 @@
                   "filename_relative": "tests/reentrancy.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                   "filename_short": "tests/reentrancy.sol",
+                  "is_dependency": false,
                   "lines": [
                     64,
                     65,
@@ -697,6 +712,7 @@
                       "filename_relative": "tests/reentrancy.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/reentrancy.sol",
                       "filename_short": "tests/reentrancy.sol",
+                      "is_dependency": false,
                       "lines": [
                         3,
                         4,

tests/expected_json/right_to_left_override.rtlo.json

@@ -7,8 +7,27 @@
         "check": "rtlo",
         "impact": "High",
         "confidence": "High",
-        "description": "/home/travis/build/crytic/slither/tests/right_to_left_override.sol contains a unicode right-to-left-override character:\n\t-         test1(/*A\u202e/*B*/2 , 1/*\u202d\n",
-        "elements": []
+        "description": "/home/travis/build/crytic/slither/tests/right_to_left_override.sol contains a unicode right-to-left-override character at byte offset 96:\n\t- b'        test1(/*A\\xe2\\x80\\xae/*B*/2 , 1/*\\xe2\\x80\\xad'\n",
+        "elements": [
+          {
+            "type": "other",
+            "name": "rtlo-character",
+            "source_mapping": {
+              "start": 96,
+              "length": 3,
+              "filename_used": "/home/travis/build/crytic/slither/tests/right_to_left_override.sol",
+              "filename_relative": "tests/right_to_left_override.sol",
+              "filename_absolute": "/home/travis/build/crytic/slither/tests/right_to_left_override.sol",
+              "filename_short": "tests/right_to_left_override.sol",
+              "is_dependency": false,
+              "lines": [
+                7
+              ],
+              "starting_column": 18,
+              "ending_column": 21
+            }
+          }
+        ]
       }
     ]
   }

tests/expected_json/right_to_left_override.rtlo.txt

@@ -1,5 +1,5 @@
 INFO:Detectors:
-/home/travis/build/crytic/slither/tests/right_to_left_override.sol contains a unicode right-to-left-override character:
-	-         test1(/*A‮/*B*/2 , 1/*‭
+/home/travis/build/crytic/slither/tests/right_to_left_override.sol contains a unicode right-to-left-override character at byte offset 96:
+	- b'        test1(/*A\xe2\x80\xae/*B*/2 , 1/*\xe2\x80\xad'
 Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#right-to-left-override-character
 INFO:Slither:tests/right_to_left_override.sol analyzed (1 contracts), 1 result(s) found

tests/expected_json/shadowing_abstract.shadowing-abstract.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/shadowing_abstract.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_abstract.sol",
               "filename_short": "tests/shadowing_abstract.sol",
+              "is_dependency": false,
               "lines": [
                 7
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/shadowing_abstract.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_abstract.sol",
                   "filename_short": "tests/shadowing_abstract.sol",
+                  "is_dependency": false,
                   "lines": [
                     6,
                     7,
@@ -58,6 +60,7 @@
               "filename_relative": "tests/shadowing_abstract.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_abstract.sol",
               "filename_short": "tests/shadowing_abstract.sol",
+              "is_dependency": false,
               "lines": [
                 2
               ],
@@ -75,6 +78,7 @@
                   "filename_relative": "tests/shadowing_abstract.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_abstract.sol",
                   "filename_short": "tests/shadowing_abstract.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,

tests/expected_json/shadowing_builtin_symbols.shadowing-builtin.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 4
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -68,6 +70,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 5
               ],
@@ -85,6 +88,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -117,6 +121,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 7
               ],
@@ -134,6 +139,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -167,6 +173,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 13,
                 14,
@@ -186,6 +193,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
+                  "is_dependency": false,
                   "lines": [
                     10,
                     11,
@@ -220,6 +228,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 14
               ],
@@ -237,6 +246,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
+                  "is_dependency": false,
                   "lines": [
                     13,
                     14,
@@ -256,6 +266,7 @@
                       "filename_relative": "tests/shadowing_builtin_symbols.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                       "filename_short": "tests/shadowing_builtin_symbols.sol",
+                      "is_dependency": false,
                       "lines": [
                         10,
                         11,
@@ -292,6 +303,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 11
               ],
@@ -309,6 +321,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
+                  "is_dependency": false,
                   "lines": [
                     10,
                     11,
@@ -342,6 +355,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 23,
                 24,
@@ -364,6 +378,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
+                  "is_dependency": false,
                   "lines": [
                     18,
                     19,
@@ -403,6 +418,7 @@
               "filename_relative": "tests/shadowing_builtin_symbols.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
               "filename_short": "tests/shadowing_builtin_symbols.sol",
+              "is_dependency": false,
               "lines": [
                 25
               ],
@@ -420,6 +436,7 @@
                   "filename_relative": "tests/shadowing_builtin_symbols.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/shadowing_builtin_symbols.sol",
                   "filename_short": "tests/shadowing_builtin_symbols.sol",
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tests/expected_json/shadowing_local_variable.shadowing-local.json

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tests/expected_json/shadowing_state_variable.shadowing-state.json

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tests/expected_json/solc_version_incorrect.solc-version.json

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tests/expected_json/solc_version_incorrect_05.ast.json.solc-version.json

@@ -19,6 +19,7 @@
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tests/expected_json/timestamp.timestamp.json

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tests/expected_json/too_many_digits.too-many-digits.json

@@ -19,6 +19,7 @@
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               "filename_absolute": "/home/travis/build/crytic/slither/tests/too_many_digits.sol",
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@@ -36,6 +37,7 @@
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@@ -59,6 +61,7 @@
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@@ -121,6 +124,7 @@
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@@ -138,6 +142,7 @@
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tests/expected_json/tx_origin-0.5.1.tx-origin.json

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tests/expected_json/tx_origin.tx-origin.json

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tests/expected_json/unchecked_lowlevel-0.5.1.unchecked-lowlevel.json

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tests/expected_json/unchecked_send-0.5.1.unchecked-send.json

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tests/expected_json/uninitialized-0.5.1.uninitialized-state.json

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tests/expected_json/uninitialized.uninitialized-state.json

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tests/expected_json/uninitialized_local_variable.uninitialized-local.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/uninitialized_local_variable.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_local_variable.sol",
               "filename_short": "tests/uninitialized_local_variable.sol",
+              "is_dependency": false,
               "lines": [
                 4
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/uninitialized_local_variable.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_local_variable.sol",
                   "filename_short": "tests/uninitialized_local_variable.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -57,6 +59,7 @@
                       "filename_relative": "tests/uninitialized_local_variable.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_local_variable.sol",
                       "filename_short": "tests/uninitialized_local_variable.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -87,6 +90,7 @@
               "filename_relative": "tests/uninitialized_local_variable.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_local_variable.sol",
               "filename_short": "tests/uninitialized_local_variable.sol",
+              "is_dependency": false,
               "lines": [
                 3,
                 4,
@@ -108,6 +112,7 @@
                   "filename_relative": "tests/uninitialized_local_variable.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_local_variable.sol",
                   "filename_short": "tests/uninitialized_local_variable.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,

tests/expected_json/uninitialized_storage_pointer.uninitialized-storage.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/uninitialized_storage_pointer.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_storage_pointer.sol",
               "filename_short": "tests/uninitialized_storage_pointer.sol",
+              "is_dependency": false,
               "lines": [
                 10
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/uninitialized_storage_pointer.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_storage_pointer.sol",
                   "filename_short": "tests/uninitialized_storage_pointer.sol",
+                  "is_dependency": false,
                   "lines": [
                     7,
                     8,
@@ -58,6 +60,7 @@
                       "filename_relative": "tests/uninitialized_storage_pointer.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_storage_pointer.sol",
                       "filename_short": "tests/uninitialized_storage_pointer.sol",
+                      "is_dependency": false,
                       "lines": [
                         1,
                         2,
@@ -93,6 +96,7 @@
               "filename_relative": "tests/uninitialized_storage_pointer.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_storage_pointer.sol",
               "filename_short": "tests/uninitialized_storage_pointer.sol",
+              "is_dependency": false,
               "lines": [
                 7,
                 8,
@@ -115,6 +119,7 @@
                   "filename_relative": "tests/uninitialized_storage_pointer.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/uninitialized_storage_pointer.sol",
                   "filename_short": "tests/uninitialized_storage_pointer.sol",
+                  "is_dependency": false,
                   "lines": [
                     1,
                     2,

tests/expected_json/unused_return.unused-return.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/unused_return.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
               "filename_short": "tests/unused_return.sol",
+              "is_dependency": false,
               "lines": [
                 18
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/unused_return.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
                   "filename_short": "tests/unused_return.sol",
+                  "is_dependency": false,
                   "lines": [
                     17,
                     18,
@@ -65,6 +67,7 @@
                       "filename_relative": "tests/unused_return.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
                       "filename_short": "tests/unused_return.sol",
+                      "is_dependency": false,
                       "lines": [
                         13,
                         14,
@@ -104,6 +107,7 @@
               "filename_relative": "tests/unused_return.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
               "filename_short": "tests/unused_return.sol",
+              "is_dependency": false,
               "lines": [
                 17,
                 18,
@@ -133,6 +137,7 @@
                   "filename_relative": "tests/unused_return.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
                   "filename_short": "tests/unused_return.sol",
+                  "is_dependency": false,
                   "lines": [
                     13,
                     14,
@@ -178,6 +183,7 @@
               "filename_relative": "tests/unused_return.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
               "filename_short": "tests/unused_return.sol",
+              "is_dependency": false,
               "lines": [
                 22
               ],
@@ -195,6 +201,7 @@
                   "filename_relative": "tests/unused_return.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
                   "filename_short": "tests/unused_return.sol",
+                  "is_dependency": false,
                   "lines": [
                     17,
                     18,
@@ -224,6 +231,7 @@
                       "filename_relative": "tests/unused_return.sol",
                       "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
                       "filename_short": "tests/unused_return.sol",
+                      "is_dependency": false,
                       "lines": [
                         13,
                         14,
@@ -263,6 +271,7 @@
               "filename_relative": "tests/unused_return.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
               "filename_short": "tests/unused_return.sol",
+              "is_dependency": false,
               "lines": [
                 17,
                 18,
@@ -292,6 +301,7 @@
                   "filename_relative": "tests/unused_return.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_return.sol",
                   "filename_short": "tests/unused_return.sol",
+                  "is_dependency": false,
                   "lines": [
                     13,
                     14,

tests/expected_json/unused_state.unused-state.json

@@ -19,6 +19,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 4
               ],
@@ -36,6 +37,7 @@
                   "filename_relative": "tests/unused_state.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
                   "filename_short": "tests/unused_state.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -61,6 +63,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 11,
                 12,
@@ -91,6 +94,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 5
               ],
@@ -108,6 +112,7 @@
                   "filename_relative": "tests/unused_state.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
                   "filename_short": "tests/unused_state.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -133,6 +138,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 11,
                 12,
@@ -163,6 +169,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 6
               ],
@@ -180,6 +187,7 @@
                   "filename_relative": "tests/unused_state.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
                   "filename_short": "tests/unused_state.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -205,6 +213,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 11,
                 12,
@@ -235,6 +244,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 7
               ],
@@ -252,6 +262,7 @@
                   "filename_relative": "tests/unused_state.sol",
                   "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
                   "filename_short": "tests/unused_state.sol",
+                  "is_dependency": false,
                   "lines": [
                     3,
                     4,
@@ -277,6 +288,7 @@
               "filename_relative": "tests/unused_state.sol",
               "filename_absolute": "/home/travis/build/crytic/slither/tests/unused_state.sol",
               "filename_short": "tests/unused_state.sol",
+              "is_dependency": false,
               "lines": [
                 11,
                 12,

tests/external_function.sol

@@ -68,3 +68,15 @@ contract InternalCall {
     }
     
 }
+
+contract FunctionParameterWrite {
+  
+  function parameter_read_ok_for_external (uint i) public {
+    uint local = i;
+  }
+
+  function parameter_read_not_ok_for_external (uint i) public returns (uint) {
+    i += 1;
+    return (i);
+  }
+}

tests/naming_convention.sol

@@ -66,3 +66,10 @@ contract T {
 
     uint l = 1;
 }
+
+contract ParameterNameEmptyString {
+
+  function foo (uint) public {
+  }
+  
+}