Run Black

examples/scripts/call_graph.py

@@ -9,38 +9,70 @@ logging.basicConfig()
 logging.getLogger("Slither").setLevel(logging.INFO)
 logging.getLogger("Printers").setLevel(logging.INFO)
 
-class PrinterCallGraphStateChange(PrinterCallGraph):
 
-    def _process_function(self, contract, function, contract_functions, contract_calls, solidity_functions, solidity_calls, external_calls, all_contracts):
+class PrinterCallGraphStateChange(PrinterCallGraph):
+    def _process_function(
+        self,
+        contract,
+        function,
+        contract_functions,
+        contract_calls,
+        solidity_functions,
+        solidity_calls,
+        external_calls,
+        all_contracts,
+    ):
         if function.view or function.pure:
             return
-        super()._process_function(contract, function, contract_functions, contract_calls, solidity_functions, solidity_calls, external_calls, all_contracts)
+        super()._process_function(
+            contract,
+            function,
+            contract_functions,
+            contract_calls,
+            solidity_functions,
+            solidity_calls,
+            external_calls,
+            all_contracts,
+        )
 
-    def _process_internal_call(self, contract, function, internal_call, contract_calls, solidity_functions, solidity_calls):
+    def _process_internal_call(
+        self, contract, function, internal_call, contract_calls, solidity_functions, solidity_calls
+    ):
         if isinstance(internal_call, Function):
             if internal_call.view or internal_call.pure:
                 return
-        super()._process_internal_call(contract, function, internal_call, contract_calls, solidity_functions, solidity_calls)
+        super()._process_internal_call(
+            contract, function, internal_call, contract_calls, solidity_functions, solidity_calls
+        )
 
-    def _process_external_call(self, contract, function, external_call, contract_functions, external_calls, all_contracts):
+    def _process_external_call(
+        self, contract, function, external_call, contract_functions, external_calls, all_contracts
+    ):
         if isinstance(external_call[1], Function):
             if external_call[1].view or external_call[1].pure:
                 return
-        super()._process_external_call(contract, function, external_call, contract_functions, external_calls, all_contracts)
+        super()._process_external_call(
+            contract, function, external_call, contract_functions, external_calls, all_contracts
+        )
+
 
 def parse_args():
     """
     """
-    parser = argparse.ArgumentParser(description='Call graph printer. Similar to --print call-graph, but without printing the view/pure functions',
-                                     usage='call_graph.py filename')
+    parser = argparse.ArgumentParser(
+        description="Call graph printer. Similar to --print call-graph, but without printing the view/pure functions",
+        usage="call_graph.py filename",
+    )
 
-    parser.add_argument('filename',
-                        help='The filename of the contract or truffle directory to analyze.')
+    parser.add_argument(
+        "filename", help="The filename of the contract or truffle directory to analyze."
+    )
 
-    parser.add_argument('--solc', help='solc path', default='solc')
+    parser.add_argument("--solc", help="solc path", default="solc")
 
     return parser.parse_args()
 
+
 def main():
 
     args = parse_args()
@@ -50,5 +82,6 @@ def main():
 
     slither.run_printers()
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     main()

examples/scripts/convert_to_evm_ins.py

@@ -3,14 +3,14 @@ from slither.slither import Slither
 from slither.evm.convert import SourceToEVM
 
 if len(sys.argv) != 2:
-    print('python3 function_called.py functions_called.sol')
+    print("python3 function_called.py functions_called.sol")
     exit(-1)
 
 # Init slither
 slither = Slither(sys.argv[1])
 
 # Get the contract evm instructions
-contract = slither.get_contract_from_name('Test')
+contract = slither.get_contract_from_name("Test")
 contract_ins = SourceToEVM.get_evm_instructions(contract)
 print("## Contract evm instructions: {} ##".format(contract.name))
 for ins in contract_ins:
@@ -24,7 +24,7 @@ for ins in constructor_ins:
     print(str(ins))
 
 # Get the function evm instructions
-function = contract.get_function_from_signature('foo()')
+function = contract.get_function_from_signature("foo()")
 print("## Function evm instructions: {} ##".format(function.name))
 function_ins = SourceToEVM.get_evm_instructions(function)
 for ins in function_ins:

examples/scripts/convert_to_ir.py

@@ -4,27 +4,25 @@ from slither.slithir.convert import convert_expression
 
 
 if len(sys.argv) != 2:
-    print('python function_called.py functions_called.sol')
+    print("python function_called.py functions_called.sol")
     exit(-1)
 
 # Init slither
 slither = Slither(sys.argv[1])
 
 # Get the contract
-contract = slither.get_contract_from_name('Test')
+contract = slither.get_contract_from_name("Test")
 
 # Get the variable
-test = contract.get_function_from_signature('one()')
+test = contract.get_function_from_signature("one()")
 
 nodes = test.nodes
 
 for node in nodes:
     if node.expression:
-        print('Expression:\n\t{}'.format(node.expression))
+        print("Expression:\n\t{}".format(node.expression))
         irs = convert_expression(node.expression)
-        print('IR expressions:')
+        print("IR expressions:")
         for ir in irs:
-            print('\t{}'.format(ir))
+            print("\t{}".format(ir))
         print()
-
-

examples/scripts/data_dependency.py

@@ -1,95 +1,139 @@
 import sys
 from slither import Slither
-from slither.analyses.data_dependency.data_dependency import is_dependent, is_tainted, pprint_dependency
+from slither.analyses.data_dependency.data_dependency import (
+    is_dependent,
+    is_tainted,
+    pprint_dependency,
+)
 from slither.core.declarations.solidity_variables import SolidityVariableComposed
 
 if len(sys.argv) != 2:
-    print('Usage: python data_dependency.py file.sol')
+    print("Usage: python data_dependency.py file.sol")
     exit(-1)
 
 slither = Slither(sys.argv[1])
 
-contract = slither.get_contract_from_name('Simple')
+contract = slither.get_contract_from_name("Simple")
 
-destination = contract.get_state_variable_from_name('destination')
-source = contract.get_state_variable_from_name('source')
+destination = contract.get_state_variable_from_name("destination")
+source = contract.get_state_variable_from_name("source")
 
-print('{} is dependent of {}: {}'.format(source, destination, is_dependent(source, destination, contract)))
+print(
+    "{} is dependent of {}: {}".format(
+        source, destination, is_dependent(source, destination, contract)
+    )
+)
 assert not is_dependent(source, destination, contract)
-print('{} is dependent of {}: {}'.format(destination, source, is_dependent(destination, source, contract)))
+print(
+    "{} is dependent of {}: {}".format(
+        destination, source, is_dependent(destination, source, contract)
+    )
+)
 assert is_dependent(destination, source, contract)
-print('{} is tainted {}'.format(source, is_tainted(source, contract)))
+print("{} is tainted {}".format(source, is_tainted(source, contract)))
 assert not is_tainted(source, contract)
-print('{} is tainted {}'.format(destination, is_tainted(destination, contract)))
+print("{} is tainted {}".format(destination, is_tainted(destination, contract)))
 assert is_tainted(destination, contract)
 
-contract = slither.get_contract_from_name('Reference')
+contract = slither.get_contract_from_name("Reference")
 
-destination = contract.get_state_variable_from_name('destination')
-source = contract.get_state_variable_from_name('source')
+destination = contract.get_state_variable_from_name("destination")
+source = contract.get_state_variable_from_name("source")
 
-print('Reference contract')
-print('{} is dependent of {}: {}'.format(source, destination, is_dependent(source, destination, contract)))
+print("Reference contract")
+print(
+    "{} is dependent of {}: {}".format(
+        source, destination, is_dependent(source, destination, contract)
+    )
+)
 assert not is_dependent(source, destination, contract)
-print('{} is dependent of {}: {}'.format(destination, source, is_dependent(destination, source, contract)))
+print(
+    "{} is dependent of {}: {}".format(
+        destination, source, is_dependent(destination, source, contract)
+    )
+)
 assert is_dependent(destination, source, contract)
-print('{} is tainted {}'.format(source, is_tainted(source, contract)))
+print("{} is tainted {}".format(source, is_tainted(source, contract)))
 assert not is_tainted(source, contract)
-print('{} is tainted {}'.format(destination, is_tainted(destination, contract)))
+print("{} is tainted {}".format(destination, is_tainted(destination, contract)))
 assert is_tainted(destination, contract)
 
-destination_indirect_1 = contract.get_state_variable_from_name('destination_indirect_1')
-print('{} is tainted {}'.format(destination_indirect_1, is_tainted(destination_indirect_1, contract)))
+destination_indirect_1 = contract.get_state_variable_from_name("destination_indirect_1")
+print(
+    "{} is tainted {}".format(destination_indirect_1, is_tainted(destination_indirect_1, contract))
+)
 assert is_tainted(destination_indirect_1, contract)
-destination_indirect_2 = contract.get_state_variable_from_name('destination_indirect_2')
-print('{} is tainted {}'.format(destination_indirect_2, is_tainted(destination_indirect_2, contract)))
+destination_indirect_2 = contract.get_state_variable_from_name("destination_indirect_2")
+print(
+    "{} is tainted {}".format(destination_indirect_2, is_tainted(destination_indirect_2, contract))
+)
 assert is_tainted(destination_indirect_2, contract)
 
-print('SolidityVar contract')
+print("SolidityVar contract")
 
-contract = slither.get_contract_from_name('SolidityVar')
+contract = slither.get_contract_from_name("SolidityVar")
 
-addr_1 = contract.get_state_variable_from_name('addr_1')
-addr_2 = contract.get_state_variable_from_name('addr_2')
-msgsender = SolidityVariableComposed('msg.sender')
-print('{} is dependent of {}: {}'.format(addr_1, msgsender, is_dependent(addr_1, msgsender, contract)))
+addr_1 = contract.get_state_variable_from_name("addr_1")
+addr_2 = contract.get_state_variable_from_name("addr_2")
+msgsender = SolidityVariableComposed("msg.sender")
+print(
+    "{} is dependent of {}: {}".format(addr_1, msgsender, is_dependent(addr_1, msgsender, contract))
+)
 assert is_dependent(addr_1, msgsender, contract)
-print('{} is dependent of {}: {}'.format(addr_2, msgsender, is_dependent(addr_2, msgsender, contract)))
+print(
+    "{} is dependent of {}: {}".format(addr_2, msgsender, is_dependent(addr_2, msgsender, contract))
+)
 assert not is_dependent(addr_2, msgsender, contract)
 
 
-print('Intermediate contract')
-contract = slither.get_contract_from_name('Intermediate')
-destination = contract.get_state_variable_from_name('destination')
-source = contract.get_state_variable_from_name('source')
+print("Intermediate contract")
+contract = slither.get_contract_from_name("Intermediate")
+destination = contract.get_state_variable_from_name("destination")
+source = contract.get_state_variable_from_name("source")
 
-print('{} is dependent of {}: {}'.format(destination, source, is_dependent(destination, source, contract)))
+print(
+    "{} is dependent of {}: {}".format(
+        destination, source, is_dependent(destination, source, contract)
+    )
+)
 assert is_dependent(destination, source, contract)
 
-print('Base Derived contract')
-contract = slither.get_contract_from_name('Base')
-contract_derived = slither.get_contract_from_name('Derived')
-destination = contract.get_state_variable_from_name('destination')
-source = contract.get_state_variable_from_name('source')
-
-print('{} is dependent of {}: {} (base)'.format(destination, source, is_dependent(destination, source, contract)))
+print("Base Derived contract")
+contract = slither.get_contract_from_name("Base")
+contract_derived = slither.get_contract_from_name("Derived")
+destination = contract.get_state_variable_from_name("destination")
+source = contract.get_state_variable_from_name("source")
+
+print(
+    "{} is dependent of {}: {} (base)".format(
+        destination, source, is_dependent(destination, source, contract)
+    )
+)
 assert not is_dependent(destination, source, contract)
-print('{} is dependent of {}: {} (derived)'.format(destination, source, is_dependent(destination, source, contract_derived)))
+print(
+    "{} is dependent of {}: {} (derived)".format(
+        destination, source, is_dependent(destination, source, contract_derived)
+    )
+)
 assert is_dependent(destination, source, contract_derived)
 
-print('PropagateThroughArguments contract')
-contract = slither.get_contract_from_name('PropagateThroughArguments')
-var_tainted = contract.get_state_variable_from_name('var_tainted')
-var_not_tainted = contract.get_state_variable_from_name('var_not_tainted')
-var_dependant = contract.get_state_variable_from_name('var_dependant')
+print("PropagateThroughArguments contract")
+contract = slither.get_contract_from_name("PropagateThroughArguments")
+var_tainted = contract.get_state_variable_from_name("var_tainted")
+var_not_tainted = contract.get_state_variable_from_name("var_not_tainted")
+var_dependant = contract.get_state_variable_from_name("var_dependant")
 
-f = contract.get_function_from_signature('f(uint256)')
+f = contract.get_function_from_signature("f(uint256)")
 user_input = f.parameters[0]
-f2 = contract.get_function_from_signature('f2(uint256,uint256)')
+f2 = contract.get_function_from_signature("f2(uint256,uint256)")
 
-print('{} is dependent of {}: {} (base)'.format(var_dependant, user_input, is_dependent(var_dependant, user_input, contract)))
+print(
+    "{} is dependent of {}: {} (base)".format(
+        var_dependant, user_input, is_dependent(var_dependant, user_input, contract)
+    )
+)
 assert is_dependent(var_dependant, user_input, contract)
-print('{} is tainted: {}'.format(var_tainted, is_tainted(var_tainted, contract)))
+print("{} is tainted: {}".format(var_tainted, is_tainted(var_tainted, contract)))
 assert is_tainted(var_tainted, contract)
-print('{} is tainted: {}'.format(var_not_tainted, is_tainted(var_not_tainted, contract)))
+print("{} is tainted: {}".format(var_not_tainted, is_tainted(var_not_tainted, contract)))
 assert not is_tainted(var_not_tainted, contract)

examples/scripts/export_dominator_tree_to_dot.py

@@ -3,7 +3,7 @@ from slither.slither import Slither
 
 
 if len(sys.argv) != 2:
-    print('python export_dominator_tree_to_dot.py contract.sol')
+    print("python export_dominator_tree_to_dot.py contract.sol")
     exit(-1)
 
 # Init slither
@@ -12,7 +12,5 @@ slither = Slither(sys.argv[1])
 for contract in slither.contracts:
     for function in contract.functions + contract.modifiers:
         filename = "{}-{}-{}_dom.dot".format(sys.argv[1], contract.name, function.full_name)
-        print('Export {}'.format(filename))
+        print("Export {}".format(filename))
         function.dominator_tree_to_dot(filename)
-
-

examples/scripts/export_to_dot.py

@@ -3,7 +3,7 @@ from slither.slither import Slither
 
 
 if len(sys.argv) != 2:
-    print('python function_called.py contract.sol')
+    print("python function_called.py contract.sol")
     exit(-1)
 
 # Init slither
@@ -12,7 +12,5 @@ slither = Slither(sys.argv[1])
 for contract in slither.contracts:
     for function in contract.functions + contract.modifiers:
         filename = "{}-{}-{}.dot".format(sys.argv[1], contract.name, function.full_name)
-        print('Export {}'.format(filename))
+        print("Export {}".format(filename))
         function.slithir_cfg_to_dot(filename)
-
-

examples/scripts/functions_called.py

@@ -2,21 +2,21 @@ import sys
 from slither.slither import Slither
 
 if len(sys.argv) != 2:
-    print('python functions_called.py functions_called.sol')
+    print("python functions_called.py functions_called.sol")
     exit(-1)
 
 # Init slither
 slither = Slither(sys.argv[1])
 
 # Get the contract
-contract = slither.get_contract_from_name('Contract')
+contract = slither.get_contract_from_name("Contract")
 
 # Get the variable
-entry_point = contract.get_function_from_signature('entry_point()')
+entry_point = contract.get_function_from_signature("entry_point()")
 
 all_calls = entry_point.all_internal_calls()
 
 all_calls_formated = [f.canonical_name for f in all_calls]
 
 # Print the result
-print('From entry_point the functions reached are {}'.format(all_calls_formated))
+print("From entry_point the functions reached are {}".format(all_calls_formated))

examples/scripts/functions_writing.py

@@ -2,17 +2,17 @@ import sys
 from slither.slither import Slither
 
 if len(sys.argv) != 2:
-    print('python function_writing.py functions_writing.sol')
+    print("python function_writing.py functions_writing.sol")
     exit(-1)
 
 # Init slither
 slither = Slither(sys.argv[1])
 
 # Get the contract
-contract = slither.get_contract_from_name('Contract')
+contract = slither.get_contract_from_name("Contract")
 
 # Get the variable
-var_a = contract.get_state_variable_from_name('a')
+var_a = contract.get_state_variable_from_name("a")
 
 # Get the functions writing the variable
 functions_writing_a = contract.get_functions_writing_to_variable(var_a)

examples/scripts/possible_paths.py

@@ -18,7 +18,9 @@ def resolve_function(contract_name, function_name):
         raise ValueError(f"Could not resolve target contract: {contract_name}")
 
     # Obtain the target function
-    target_function = next((function for function in contract.functions if function.name == function_name), None)
+    target_function = next(
+        (function for function in contract.functions if function.name == function_name), None
+    )
 
     # Verify we have resolved the function specified.
     if target_function is None:
@@ -46,17 +48,23 @@ def resolve_functions(functions):
     for item in functions:
         if isinstance(item, str):
             # If the item is a single string, we assume it is of form 'ContractName.FunctionName'.
-            parts = item.split('.')
+            parts = item.split(".")
             if len(parts) < 2:
-                raise ValueError("Provided string descriptor must be of form 'ContractName.FunctionName'")
+                raise ValueError(
+                    "Provided string descriptor must be of form 'ContractName.FunctionName'"
+                )
             resolved.append(resolve_function(parts[0], parts[1]))
         elif isinstance(item, tuple):
             # If the item is a tuple, it should be a 2-tuple providing contract and function names.
             if len(item) != 2:
-                raise ValueError("Provided tuple descriptor must provide a contract and function name.")
+                raise ValueError(
+                    "Provided tuple descriptor must provide a contract and function name."
+                )
             resolved.append(resolve_function(item[0], item[1]))
         else:
-            raise ValueError(f"Unexpected function descriptor type to resolve in list: {type(item)}")
+            raise ValueError(
+                f"Unexpected function descriptor type to resolve in list: {type(item)}"
+            )
 
     # Return the resolved list.
     return resolved
@@ -68,9 +76,12 @@ def all_function_definitions(function):
     :param function: The function to obtain all definitions at and beneath.
     :return: Returns a list composed of the provided function definition and any base definitions.
     """
-    return [function] + [f for c in function.contract.inheritance
+    return [function] + [
+        f
+        for c in function.contract.inheritance
         for f in c.functions_and_modifiers_declared
-                         if f.full_name == function.full_name]
+        if f.full_name == function.full_name
+    ]
 
 
 def __find_target_paths(target_function, current_path=[]):
@@ -104,7 +115,7 @@ def __find_target_paths(target_function, current_path=[]):
                     results = results.union(path_results)
 
     # If this path is external accessible from this point, we add the current path to the list.
-    if target_function.visibility in ['public', 'external'] and len(current_path) > 1:
+    if target_function.visibility in ["public", "external"] and len(current_path) > 1:
         results.add(tuple(current_path))
 
     return results
@@ -131,18 +142,23 @@ def parse_args():
     Parse the underlying arguments for the program.
     :return: Returns the arguments for the program.
     """
-    parser = argparse.ArgumentParser(description='PossiblePaths',
-                                     usage='possible_paths.py [--is-truffle] filename [contract.function targets]')
+    parser = argparse.ArgumentParser(
+        description="PossiblePaths",
+        usage="possible_paths.py [--is-truffle] filename [contract.function targets]",
+    )
 
-    parser.add_argument('--is-truffle',
-                        help='Indicates the filename refers to a truffle directory path.',
-                        action='store_true',
-                        default=False)
+    parser.add_argument(
+        "--is-truffle",
+        help="Indicates the filename refers to a truffle directory path.",
+        action="store_true",
+        default=False,
+    )
 
-    parser.add_argument('filename',
-                        help='The filename of the contract or truffle directory to analyze.')
+    parser.add_argument(
+        "filename", help="The filename of the contract or truffle directory to analyze."
+    )
 
-    parser.add_argument('targets', nargs='+')
+    parser.add_argument("targets", nargs="+")
 
     return parser.parse_args()
 
@@ -184,7 +200,9 @@ for function_desc in sorted([f"{f.canonical_name}" for f in reaching_functions])
 print("\n")
 
 # Format all function paths.
-reaching_paths_str = [' -> '.join([f"{f.canonical_name}" for f in reaching_path]) for reaching_path in reaching_paths]
+reaching_paths_str = [
+    " -> ".join([f"{f.canonical_name}" for f in reaching_path]) for reaching_path in reaching_paths
+]
 
 # Print a sorted list of all function paths which can reach the targets.
 print(f"The following paths reach the specified targets:")

examples/scripts/slithIR.py

@@ -2,7 +2,7 @@ import sys
 from slither import Slither
 
 if len(sys.argv) != 2:
-    print('python slithIR.py contract.sol')
+    print("python slithIR.py contract.sol")
     exit(-1)
 
 # Init slither
@@ -17,7 +17,7 @@ for contract in slither.contracts:
         # Dont explore inherited functions
         if function.contract_declarer == contract:
 
-            print('Function: {}'.format(function.name))
+            print("Function: {}".format(function.name))
 
             # Iterate over the nodes of the function
             for node in function.nodes:
@@ -26,7 +26,7 @@ for contract in slither.contracts:
                 # And the SlithIR operations
                 if node.expression:
 
-                    print('\tSolidity expression: {}'.format(node.expression))
-                    print('\tSlithIR:')
+                    print("\tSolidity expression: {}".format(node.expression))
+                    print("\tSlithIR:")
                     for ir in node.irs:
-                        print('\t\t\t{}'.format(ir))
+                        print("\t\t\t{}".format(ir))

examples/scripts/taint_mapping.py

@@ -1,7 +1,6 @@
 import sys
 
-from slither.core.declarations.solidity_variables import \
-    SolidityVariableComposed
+from slither.core.declarations.solidity_variables import SolidityVariableComposed
 from slither.core.variables.state_variable import StateVariable
 from slither.slither import Slither
 from slither.slithir.operations.high_level_call import HighLevelCall
@@ -27,9 +26,9 @@ def visit_node(node, visited):
         else:
             read = ir.read
         print(ir)
-        print('Refs {}'.format(refs))
-        print('Read {}'.format([str(x) for x in ir.read]))
-        print('Before {}'.format([str(x) for x in taints]))
+        print("Refs {}".format(refs))
+        print("Read {}".format([str(x) for x in ir.read]))
+        print("Before {}".format([str(x) for x in taints]))
         if any(var_read in taints for var_read in read):
             taints += [ir.lvalue]
             lvalue = ir.lvalue
@@ -37,7 +36,7 @@ def visit_node(node, visited):
                 taints += [refs[lvalue]]
                 lvalue = refs[lvalue]
 
-        print('After {}'.format([str(x) for x in taints]))
+        print("After {}".format([str(x) for x in taints]))
         print()
 
     taints = [v for v in taints if not isinstance(v, (TemporaryVariable, ReferenceVariable))]
@@ -47,38 +46,44 @@ def visit_node(node, visited):
     for son in node.sons:
         visit_node(son, visited)
 
+
 def check_call(func, taints):
     for node in func.nodes:
         for ir in node.irs:
             if isinstance(ir, HighLevelCall):
                 if ir.destination in taints:
-                    print('Call to tainted address found in {}'.format(function.name))
+                    print("Call to tainted address found in {}".format(function.name))
+
 
 if __name__ == "__main__":
     if len(sys.argv) != 2:
-        print('python taint_mapping.py taint.sol')
+        print("python taint_mapping.py taint.sol")
         exit(-1)
 
     # Init slither
     slither = Slither(sys.argv[1])
 
-    initial_taint = [SolidityVariableComposed('msg.sender')]
-    initial_taint += [SolidityVariableComposed('msg.value')]
+    initial_taint = [SolidityVariableComposed("msg.sender")]
+    initial_taint += [SolidityVariableComposed("msg.value")]
 
-    KEY = 'TAINT'
+    KEY = "TAINT"
 
     prev_taints = []
     slither.context[KEY] = initial_taint
-    while(set(prev_taints) != set(slither.context[KEY])):
+    while set(prev_taints) != set(slither.context[KEY]):
         prev_taints = slither.context[KEY]
         for contract in slither.contracts:
             for function in contract.functions:
-                print('Function {}'.format(function.name))
+                print("Function {}".format(function.name))
                 slither.context[KEY] = list(set(slither.context[KEY] + function.parameters))
                 visit_node(function.entry_point, [])
-                print('All variables tainted : {}'.format([str(v) for v in slither.context[KEY]]))
+                print("All variables tainted : {}".format([str(v) for v in slither.context[KEY]]))
 
-    print('All state variables tainted : {}'.format([str(v) for v in prev_taints if isinstance(v, StateVariable)]))
+    print(
+        "All state variables tainted : {}".format(
+            [str(v) for v in prev_taints if isinstance(v, StateVariable)]
+        )
+    )
 
     for function in contract.functions:
         check_call(function, slither.context[KEY])

examples/scripts/variable_in_condition.py

@@ -2,24 +2,30 @@ import sys
 from slither.slither import Slither
 
 if len(sys.argv) != 2:
-    print('python variable_in_condition.py variable_in_condition.sol')
+    print("python variable_in_condition.py variable_in_condition.sol")
     exit(-1)
 
 # Init slither
 slither = Slither(sys.argv[1])
 
 # Get the contract
-contract = slither.get_contract_from_name('Contract')
+contract = slither.get_contract_from_name("Contract")
 
 # Get the variable
-var_a = contract.get_state_variable_from_name('a')
+var_a = contract.get_state_variable_from_name("a")
 
 # Get the functions reading the variable
 functions_reading_a = contract.get_functions_reading_from_variable(var_a)
 
-function_using_a_as_condition = [f for f in functions_reading_a if\
-                                 f.is_reading_in_conditional_node(var_a) or\
-                                 f.is_reading_in_require_or_assert(var_a)]
+function_using_a_as_condition = [
+    f
+    for f in functions_reading_a
+    if f.is_reading_in_conditional_node(var_a) or f.is_reading_in_require_or_assert(var_a)
+]
 
 # Print the result
-print('The function using "a" in condition are {}'.format([f.name for f in function_using_a_as_condition]))
+print(
+    'The function using "a" in condition are {}'.format(
+        [f.name for f in function_using_a_as_condition]
+    )
+)

plugin_example/setup.py

@@ -1,17 +1,13 @@
 from setuptools import setup, find_packages
 
 setup(
-    name='slither-my-plugins',
-    description='This is an example of detectors and printers to Slither.',
-    url='https://github.com/trailofbits/slither-plugins',
-    author='Trail of Bits',
-    version='0.0',
+    name="slither-my-plugins",
+    description="This is an example of detectors and printers to Slither.",
+    url="https://github.com/trailofbits/slither-plugins",
+    author="Trail of Bits",
+    version="0.0",
     packages=find_packages(),
-    python_requires='>=3.6',
-    install_requires=[
-        'slither-analyzer==0.1'
-    ],
-    entry_points={
-        'slither_analyzer.plugin': 'slither my-plugin=slither_my_plugin:make_plugin',
-    }
+    python_requires=">=3.6",
+    install_requires=["slither-analyzer==0.1"],
+    entry_points={"slither_analyzer.plugin": "slither my-plugin=slither_my_plugin:make_plugin",},
 )

plugin_example/slither_my_plugin/detectors/example.py

@@ -1,4 +1,3 @@
-
 from slither.detectors.abstract_detector import AbstractDetector, DetectorClassification
 
 
@@ -7,21 +6,21 @@ class Example(AbstractDetector):
     Documentation
     """
 
-    ARGUMENT = 'mydetector' # slither will launch the detector with slither.py --mydetector
-    HELP = 'Help printed by slither'
+    ARGUMENT = "mydetector"  # slither will launch the detector with slither.py --mydetector
+    HELP = "Help printed by slither"
     IMPACT = DetectorClassification.HIGH
     CONFIDENCE = DetectorClassification.HIGH
 
-    WIKI = ''
+    WIKI = ""
 
-    WIKI_TITLE = ''
-    WIKI_DESCRIPTION = ''
-    WIKI_EXPLOIT_SCENARIO = ''
-    WIKI_RECOMMENDATION = ''
+    WIKI_TITLE = ""
+    WIKI_DESCRIPTION = ""
+    WIKI_EXPLOIT_SCENARIO = ""
+    WIKI_RECOMMENDATION = ""
 
     def _detect(self):
 
-        info = 'This is an example!'
+        info = "This is an example!"
 
         json = self.generate_result(info)
 

scripts/json_diff.py

@@ -3,25 +3,24 @@ import json
 from deepdiff import DeepDiff  # pip install deepdiff
 from pprint import pprint
 
-if len(sys.argv) !=3:
-    print('Usage: python json_diff.py 1.json 2.json')
+if len(sys.argv) != 3:
+    print("Usage: python json_diff.py 1.json 2.json")
     exit(-1)
 
-with open(sys.argv[1], encoding='utf8') as f:
+with open(sys.argv[1], encoding="utf8") as f:
     d1 = json.load(f)
 
-with open(sys.argv[2], encoding='utf8') as f:
+with open(sys.argv[2], encoding="utf8") as f:
     d2 = json.load(f)
 
 
 # Remove description field to allow non deterministic print
 for elem in d1:
-    if 'description' in elem:
-        del elem['description']
+    if "description" in elem:
+        del elem["description"]
 for elem in d2:
-    if 'description' in elem:
-        del elem['description']
-
+    if "description" in elem:
+        del elem["description"]
 
 
 pprint(DeepDiff(d1, d2, ignore_order=True, verbose_level=2))

setup.py

@@ -1,31 +1,29 @@
 from setuptools import setup, find_packages
 
 setup(
-    name='slither-analyzer',
-    description='Slither is a Solidity static analysis framework written in Python 3.',
-    url='https://github.com/crytic/slither',
-    author='Trail of Bits',
-    version='0.6.12',
+    name="slither-analyzer",
+    description="Slither is a Solidity static analysis framework written in Python 3.",
+    url="https://github.com/crytic/slither",
+    author="Trail of Bits",
+    version="0.6.12",
     packages=find_packages(),
-    python_requires='>=3.6',
-    install_requires=['prettytable>=0.7.2',
-                      'pysha3>=1.0.2',
-                      'crytic-compile>=0.1.8'],
-#                       'crytic-compile'],
+    python_requires=">=3.6",
+    install_requires=["prettytable>=0.7.2", "pysha3>=1.0.2", "crytic-compile>=0.1.8"],
+    #                       'crytic-compile'],
     #   dependency_links=['git+https://github.com/crytic/crytic-compile.git@master#egg=crytic-compile'],
-    license='AGPL-3.0',
-    long_description=open('README.md').read(),
+    license="AGPL-3.0",
+    long_description=open("README.md").read(),
     entry_points={
-        'console_scripts': [
-            'slither = slither.__main__:main',
-            'slither-check-upgradeability = slither.tools.upgradeability.__main__:main',
-            'slither-find-paths = slither.tools.possible_paths.__main__:main',
-            'slither-simil = slither.tools.similarity.__main__:main',
-            'slither-flat = slither.tools.flattening.__main__:main',
-            'slither-format = slither.tools.slither_format.__main__:main',
-            'slither-check-erc = slither.tools.erc_conformance.__main__:main',
-            'slither-check-kspec = slither.tools.kspec_coverage.__main__:main',
-            'slither-prop = slither.tools.properties.__main__:main'
+        "console_scripts": [
+            "slither = slither.__main__:main",
+            "slither-check-upgradeability = slither.tools.upgradeability.__main__:main",
+            "slither-find-paths = slither.tools.possible_paths.__main__:main",
+            "slither-simil = slither.tools.similarity.__main__:main",
+            "slither-flat = slither.tools.flattening.__main__:main",
+            "slither-format = slither.tools.slither_format.__main__:main",
+            "slither-check-erc = slither.tools.erc_conformance.__main__:main",
+            "slither-check-kspec = slither.tools.kspec_coverage.__main__:main",
+            "slither-prop = slither.tools.properties.__main__:main",
         ]
-    }
+    },
 )