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update constable-states to consider constructor vars which can be immutable

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pull/1455/head
alpharush 2 years ago
parent a41f86739d
commit faed6d7fb2
13 changed files with 1651 additions and 460 deletions
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  1. 101
      slither/detectors/variables/possible_const_state_variables.py
  2. 206
      tests/detectors/constable-states/0.4.25/const_state_variables.sol.0.4.25.ConstCandidateStateVars.json
  3. 1
      tests/detectors/constable-states/0.5.16/const_state_variables.sol
  4. 261
      tests/detectors/constable-states/0.5.16/const_state_variables.sol.0.5.16.ConstCandidateStateVars.json
  5. 6
      tests/detectors/constable-states/0.6.11/const_state_variables.sol
  6. 286
      tests/detectors/constable-states/0.6.11/const_state_variables.sol.0.6.11.ConstCandidateStateVars.json
  7. 12
      tests/detectors/constable-states/0.7.6/const_state_variables.sol
  8. 480
      tests/detectors/constable-states/0.7.6/const_state_variables.sol.0.7.6.ConstCandidateStateVars.json
  9. 52
      tests/detectors/constable-states/0.8.0/const_state_variables.sol
  10. 690
      tests/detectors/constable-states/0.8.0/const_state_variables.sol.0.8.0.ConstCandidateStateVars.json
  11. 7
      tests/detectors/constable-states/0.8.0/immutable.sol
  12. 3
      tests/detectors/constable-states/0.8.0/immutable.sol.0.8.0.ConstCandidateStateVars.json
  13. 2
      tests/test_detectors.py

101
slither/detectors/variables/possible_const_state_variables.py
Unescape View File

@ -14,6 +14,7 @@ from slither.core.declarations import Contract, Function
from slither.core.declarations.solidity_variables import SolidityFunction
from slither.core.variables.state_variable import StateVariable
from slither.formatters.variables.possible_const_state_variables import custom_format
from slither.core.expressions import CallExpression, NewContract
def _is_valid_type(v: StateVariable) -> bool:
@ -44,15 +45,17 @@ class ConstCandidateStateVars(AbstractDetector):
"""
ARGUMENT = "constable-states"
HELP = "State variables that could be declared constant"
HELP = "State variables that could be declared constant or immutable"
IMPACT = DetectorClassification.OPTIMIZATION
CONFIDENCE = DetectorClassification.HIGH
WIKI = "https://github.com/crytic/slither/wiki/Detector-Documentation#state-variables-that-could-be-declared-constant"
WIKI = "https://github.com/crytic/slither/wiki/Detector-Documentation#state-variables-that-could-be-declared-constant-or-immutable"
WIKI_TITLE = "State variables that could be declared constant"
WIKI_DESCRIPTION = "Constant state variables should be declared constant to save gas."
WIKI_RECOMMENDATION = "Add the `constant` attributes to state variables that never change."
WIKI_TITLE = "State variables that could be declared constant or immutable"
WIKI_DESCRIPTION = "State variables that are not updated following deployment should be declared constant or immutable to save gas."
WIKI_RECOMMENDATION = (
"Add the `constant` or `immutable` attribute to state variables that never change."
)
# https://solidity.readthedocs.io/en/v0.5.2/contracts.html#constant-state-variables
valid_solidity_function = [
@ -71,54 +74,66 @@ class ConstCandidateStateVars(AbstractDetector):
if not v.expression:
return True
# B b = new B(); b cannot be constant, so filter out and recommend it be immutable
if isinstance(v.expression, CallExpression) and isinstance(
v.expression.called, NewContract
):
return False
export = ExportValues(v.expression)
values = export.result()
if not values:
return True
if all((val in self.valid_solidity_function or _is_constant_var(val) for val in values)):
return True
return False
else:
return all(
(val in self.valid_solidity_function or _is_constant_var(val) for val in values)
)
def _detect(self) -> List[Output]:
"""Detect state variables that could be const"""
results = []
"""Detect state variables that could be constant or immutable"""
results = {}
variables = []
functions = []
for c in self.compilation_unit.contracts:
variables.append(c.state_variables)
functions.append(c.all_functions_called)
all_variables_l = [c.state_variables for c in self.compilation_unit.contracts]
all_variables: Set[StateVariable] = {
item for sublist in all_variables_l for item in sublist
valid_candidates: Set[StateVariable] = {
item for sublist in variables for item in sublist if _valid_candidate(item)
}
all_non_constant_elementary_variables = {v for v in all_variables if _valid_candidate(v)}
all_functions_nested = [c.all_functions_called for c in self.compilation_unit.contracts]
all_functions = list(
{
item1
for sublist in all_functions_nested
for item1 in sublist
if isinstance(item1, Function)
}
all_functions: List[Function] = list(
{item1 for sublist in functions for item1 in sublist if isinstance(item1, Function)}
)
all_variables_written = [
f.state_variables_written for f in all_functions if not f.is_constructor_variables
]
all_variables_written = {item for sublist in all_variables_written for item in sublist}
constable_variables: List[Variable] = [
v
for v in all_non_constant_elementary_variables
if (v not in all_variables_written) and self._constant_initial_expression(v)
]
# Order for deterministic results
constable_variables = sorted(constable_variables, key=lambda x: x.canonical_name)
# Create a result for each finding
for v in constable_variables:
info = [v, " should be constant\n"]
json = self.generate_result(info)
results.append(json)
return results
variables_written = []
constructor_variables_written = []
for f in all_functions:
if f.is_constructor_variables:
constructor_variables_written.append(f.state_variables_written)
else:
variables_written.append(f.state_variables_written)
variables_written = {item for sublist in variables_written for item in sublist}
constructor_variables_written = {
item for sublist in constructor_variables_written for item in sublist
}
for v in valid_candidates:
if v not in variables_written:
if self._constant_initial_expression(v):
results[v.canonical_name] = self.generate_result([v, " should be constant \n"])
# immutable attribute available in Solidity 0.6.5 and above
# https://blog.soliditylang.org/2020/04/06/solidity-0.6.5-release-announcement/
elif (
v in constructor_variables_written
and self.compilation_unit.solc_version > "0.6.4"
):
results[v.canonical_name] = self.generate_result([v, " should be immutable \n"])
# Order by canonical name for deterministic results
return [results[k] for k in sorted(results)]
@staticmethod
def _format(compilation_unit: SlitherCompilationUnit, result: Dict) -> None:

206
tests/detectors/constable-states/0.4.25/const_state_variables.sol.0.4.25.ConstCandidateStateVars.json
Unescape View File

@ -4,19 +4,19 @@
"elements": [
{
"type": "variable",
"name": "myFriendsAddress",
"name": "text2",
"source_mapping": {
"start": 132,
"length": 76,
"start": 333,
"length": 20,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
7
14
],
"starting_column": 5,
"ending_column": 81
"ending_column": 25
},
"type_specific_fields": {
"parent": {
@ -56,10 +56,10 @@
}
}
],
"description": "A.myFriendsAddress (tests/detectors/constable-states/0.4.25/const_state_variables.sol#7) should be constant\n",
"markdown": "[A.myFriendsAddress](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L7) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L7",
"id": "1454db80653b732bf6acbe54ff0ae4707002207a2a8216708c12d61c88a43e5f",
"description": "A.text2 (tests/detectors/constable-states/0.4.25/const_state_variables.sol#14) should be constant \n",
"markdown": "[A.text2](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L14) should be constant \n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L14",
"id": "2f06e04545cea7e7a8998c65d5419f335bf2579a6ce6a832eac9c87392fd5c1a",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"
@ -68,19 +68,79 @@
"elements": [
{
"type": "variable",
"name": "test",
"name": "mySistersAddress",
"source_mapping": {
"start": 237,
"length": 20,
"start": 496,
"length": 76,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
10
26
],
"starting_column": 5,
"ending_column": 25
"ending_column": 81
},
"type_specific_fields": {
"parent": {
"type": "contract",
"name": "B",
"source_mapping": {
"start": 473,
"length": 271,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
24,
25,
26,
27,
28,
29,
30,
31,
32,
33,
34,
35,
36,
37
],
"starting_column": 1,
"ending_column": 2
}
}
}
}
],
"description": "B.mySistersAddress (tests/detectors/constable-states/0.4.25/const_state_variables.sol#26) should be constant \n",
"markdown": "[B.mySistersAddress](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L26) should be constant \n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L26",
"id": "3b5bff93954a48a79387e7981e8c45d78edc575a0988a10f1c7f439b9f930539",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"
},
{
"elements": [
{
"type": "variable",
"name": "myFriendsAddress",
"source_mapping": {
"start": 132,
"length": 76,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
7
],
"starting_column": 5,
"ending_column": 81
},
"type_specific_fields": {
"parent": {
@ -120,10 +180,10 @@
}
}
],
"description": "A.test (tests/detectors/constable-states/0.4.25/const_state_variables.sol#10) should be constant\n",
"markdown": "[A.test](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L10) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L10",
"id": "5d9e3fb413322b71a93e90f7e89bd8c83cd4884d577d039598c681fe9db38b1d",
"description": "A.myFriendsAddress (tests/detectors/constable-states/0.4.25/const_state_variables.sol#7) should be constant \n",
"markdown": "[A.myFriendsAddress](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L7) should be constant \n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L7",
"id": "52fd72f6870c4b504d1bcf9fb44249658e2077474d66208a33a47d2668b8db49",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"
@ -132,19 +192,19 @@
"elements": [
{
"type": "variable",
"name": "should_be_constant_2",
"name": "should_be_constant",
"source_mapping": {
"start": 841,
"length": 33,
"start": 793,
"length": 42,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
43
42
],
"starting_column": 5,
"ending_column": 38
"ending_column": 47
},
"type_specific_fields": {
"parent": {
@ -180,70 +240,10 @@
}
}
],
"description": "MyConc.should_be_constant_2 (tests/detectors/constable-states/0.4.25/const_state_variables.sol#43) should be constant\n",
"markdown": "[MyConc.should_be_constant_2](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L43) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L43",
"id": "9a48a4122de1a6a4774a9f1e0d4917bd0fa08f17b4af41b86ba07689e51bf711",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"
},
{
"elements": [
{
"type": "variable",
"name": "mySistersAddress",
"source_mapping": {
"start": 496,
"length": 76,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
26
],
"starting_column": 5,
"ending_column": 81
},
"type_specific_fields": {
"parent": {
"type": "contract",
"name": "B",
"source_mapping": {
"start": 473,
"length": 271,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
24,
25,
26,
27,
28,
29,
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31,
32,
33,
34,
35,
36,
37
],
"starting_column": 1,
"ending_column": 2
}
}
}
}
],
"description": "B.mySistersAddress (tests/detectors/constable-states/0.4.25/const_state_variables.sol#26) should be constant\n",
"markdown": "[B.mySistersAddress](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L26) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L26",
"id": "bee93a722c8eae4a48aade67d8ef537d84c106f48fc9eb738c795fce10d3bc63",
"description": "MyConc.should_be_constant (tests/detectors/constable-states/0.4.25/const_state_variables.sol#42) should be constant \n",
"markdown": "[MyConc.should_be_constant](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L42) should be constant \n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L42",
"id": "8d08797efc8230b480ec669c7e2bf53c3b3d16bc59bf7770934b34fd892934f8",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"
@ -252,19 +252,19 @@
"elements": [
{
"type": "variable",
"name": "should_be_constant",
"name": "should_be_constant_2",
"source_mapping": {
"start": 793,
"length": 42,
"start": 841,
"length": 33,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
42
43
],
"starting_column": 5,
"ending_column": 47
"ending_column": 38
},
"type_specific_fields": {
"parent": {
@ -300,10 +300,10 @@
}
}
],
"description": "MyConc.should_be_constant (tests/detectors/constable-states/0.4.25/const_state_variables.sol#42) should be constant\n",
"markdown": "[MyConc.should_be_constant](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L42) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L42",
"id": "cbcafa2a3efba4d21ac1b51b4b823e5082d556bc3d6cf3fd2ab3188f9f218fc1",
"description": "MyConc.should_be_constant_2 (tests/detectors/constable-states/0.4.25/const_state_variables.sol#43) should be constant \n",
"markdown": "[MyConc.should_be_constant_2](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L43) should be constant \n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L43",
"id": "d08c6d1e331083b42c45c222691dd1e6d880814c66d114971875337ca61ba9c9",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"
@ -312,16 +312,16 @@
"elements": [
{
"type": "variable",
"name": "text2",
"name": "test",
"source_mapping": {
"start": 333,
"start": 237,
"length": 20,
"filename_relative": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.4.25/const_state_variables.sol",
"is_dependency": false,
"lines": [
14
10
],
"starting_column": 5,
"ending_column": 25
@ -364,10 +364,10 @@
}
}
],
"description": "A.text2 (tests/detectors/constable-states/0.4.25/const_state_variables.sol#14) should be constant\n",
"markdown": "[A.text2](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L14) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L14",
"id": "df11e6201c4558a8c5cd90b55b134b9ca8f07203b2264d3aa93bd7745e8cb4ba",
"description": "A.test (tests/detectors/constable-states/0.4.25/const_state_variables.sol#10) should be constant \n",
"markdown": "[A.test](tests/detectors/constable-states/0.4.25/const_state_variables.sol#L10) should be constant \n",
"first_markdown_element": "tests/detectors/constable-states/0.4.25/const_state_variables.sol#L10",
"id": "e407a1b57b4d25949ef7c4e6d97197605857099a94774a9c7a848d7dd3463668",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"

1
tests/detectors/constable-states/0.5.16/const_state_variables.sol
Unescape View File

@ -41,6 +41,7 @@ contract MyConc{
uint constant A = 1;
bytes32 should_be_constant = sha256('abc');
uint should_be_constant_2 = A + 1;
B should_be_constant_3 = B(address(0));
address not_constant = msg.sender;
uint not_constant_2 = getNumber();
uint not_constant_3 = 10 + block.number;

261
tests/detectors/constable-states/0.5.16/const_state_variables.sol.0.5.16.ConstCandidateStateVars.json
Unescape View File

@ -4,50 +4,47 @@
"elements": [
{
"type": "variable",
"name": "myFriendsAddress",
"name": "should_be_constant_3",
"source_mapping": {
"start": 132,
"length": 76,
"start": 880,
"length": 38,
"filename_relative": "tests/detectors/constable-states/0.5.16/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.5.16/const_state_variables.sol",
"is_dependency": false,
"lines": [
7
44
],
"starting_column": 5,
"ending_column": 81
"ending_column": 43
},
"type_specific_fields": {
"parent": {
"type": "contract",
"name": "A",
"name": "MyConc",
"source_mapping": {
"start": 29,
"length": 441,
"start": 746,
"length": 386,
"filename_relative": "tests/detectors/constable-states/0.5.16/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.5.16/const_state_variables.sol",
"is_dependency": false,
"lines": [
4,
5,
6,
7,
8,
9,
10,
11,
12,
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14,
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16,
17,
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20,
21
39,
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49,
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52,
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],
"starting_column": 1,
"ending_column": 2
@ -56,10 +53,10 @@
}
}
],
"description": "A.myFriendsAddress (tests/detectors/constable-states/0.5.16/const_state_variables.sol#7) should be constant\n",
"markdown": "[A.myFriendsAddress](tests/detectors/constable-states/0.5.16/const_state_variables.sol#L7) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.5.16/const_state_variables.sol#L7",
"id": "1454db80653b732bf6acbe54ff0ae4707002207a2a8216708c12d61c88a43e5f",
"description": "MyConc.should_be_constant_3 (tests/detectors/constable-states/0.5.16/const_state_variables.sol#44) should be constant \n",
"markdown": "[MyConc.should_be_constant_3](tests/detectors/constable-states/0.5.16/const_state_variables.sol#L44) should be constant \n",
"first_markdown_element": "tests/detectors/constable-states/0.5.16/const_state_variables.sol#L44",
"id": "29247b0a9939e854ad51bf3b2f58705156aa8b7e446e646b1832467d362b5b3e",
"check": "constable-states",
"impact": "Optimization",
"confidence": "High"
@ -68,16 +65,16 @@
"elements": [
{
"type": "variable",
"name": "test",
"name": "text2",
"source_mapping": {
"start": 237,
"start": 333,
"length": 20,
"filename_relative": "tests/detectors/constable-states/0.5.16/const_state_variables.sol",
"filename_absolute": "/GENERIC_PATH",
"filename_short": "tests/detectors/constable-states/0.5.16/const_state_variables.sol",
"is_dependency": false,
"lines": [
10
14
],
"starting_column": 5,
"ending_column": 25
@ -120,10 +117,10 @@
}
}
],
"description": "A.test (tests/detectors/constable-states/0.5.16/const_state_variables.sol#10) should be constant\n",
"markdown": "[A.test](tests/detectors/constable-states/0.5.16/const_state_variables.sol#L10) should be constant\n",
"first_markdown_element": "tests/detectors/constable-states/0.5.16/const_state_variables.sol#L10",
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@ -132,46 +129,46 @@
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@ -180,10 +177,10 @@
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@ -192,16 +189,16 @@
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6
tests/detectors/constable-states/0.6.11/const_state_variables.sol
Unescape View File

@ -1,5 +1,3 @@
//pragma solidity ^0.4.24;
contract A {
@ -36,14 +34,16 @@ contract B is A {
}
}
contract MyConc{
contract MyConc {
uint constant A = 1;
bytes32 should_be_constant = sha256('abc');
uint should_be_constant_2 = A + 1;
B should_be_constant_3 = B(address(0));
address not_constant = msg.sender;
uint not_constant_2 = getNumber();
uint not_constant_3 = 10 + block.number;
B not_constant_4 = new B();
function getNumber() public returns(uint){
return block.number;

286
tests/detectors/constable-states/0.6.11/const_state_variables.sol.0.6.11.ConstCandidateStateVars.json
Unescape View File

@ -4,50 +4,48 @@
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"markdown": "[A.text2](tests/detectors/constable-states/0.6.11/const_state_variables.sol#L12) should be constant \n",
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@ -132,46 +130,46 @@
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@ -180,10 +178,10 @@
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@ -192,16 +190,16 @@
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@ -209,29 +207,33 @@
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@ -240,10 +242,10 @@
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@ -254,14 +256,14 @@
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@ -300,10 +304,10 @@
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12
tests/detectors/constable-states/0.7.6/const_state_variables.sol
Unescape View File

@ -1,5 +1,3 @@
//pragma solidity ^0.4.24;
contract A {
@ -36,14 +34,16 @@ contract B is A {
}
}
contract MyConc{
contract MyConc {
uint constant A = 1;
bytes32 should_be_constant = sha256('abc');
uint should_be_constant_2 = A + 1;
address not_constant = msg.sender;
uint not_constant_2 = getNumber();
uint not_constant_3 = 10 + block.number;
B should_be_constant_3 = B(address(0));
address should_be_immutable = msg.sender;
uint should_be_immutable_2 = getNumber();
uint should_be_immutable_3 = 10 + block.number;
B should_be_immutable_4 = new B();
function getNumber() public returns(uint){
return block.number;

480
tests/detectors/constable-states/0.7.6/const_state_variables.sol.0.7.6.ConstCandidateStateVars.json
Unescape View File

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@ -68,32 +130,156 @@
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@ -132,16 +316,78 @@
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@ -192,46 +440,48 @@
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52
tests/detectors/constable-states/0.8.0/const_state_variables.sol
Unescape View File

@ -0,0 +1,52 @@
contract A {
address constant public MY_ADDRESS = 0xE0f5206BBD039e7b0592d8918820024e2a7437b9;
address public myFriendsAddress = 0xc0ffee254729296a45a3885639AC7E10F9d54979;
uint public used;
uint public test = 5;
uint constant X = 32**22 + 8;
string constant TEXT1 = "abc";
string text2 = "xyz";
function setUsed() public {
if (msg.sender == MY_ADDRESS) {
used = test;
}
}
}
contract B is A {
address public mySistersAddress = 0x999999cf1046e68e36E1aA2E0E07105eDDD1f08E;
fallback () external {
used = 0;
}
function setUsed(uint a) public {
if (msg.sender == MY_ADDRESS) {
used = a;
}
}
}
contract MyConc {
uint constant A = 1;
bytes32 should_be_constant = sha256('abc');
uint should_be_constant_2 = A + 1;
B should_be_constant_3 = B(address(0));
address should_be_immutable = msg.sender;
uint should_be_immutable_2 = getNumber();
uint should_be_immutable_3 = 10 + block.number;
B should_be_immutable_4 = new B();
function getNumber() public returns(uint){
return block.number;
}
}

690
tests/detectors/constable-states/0.8.0/const_state_variables.sol.0.8.0.ConstCandidateStateVars.json
Unescape View File

@ -0,0 +1,690 @@
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"description": "A.test (tests/detectors/constable-states/0.8.0/const_state_variables.sol#8) should be constant \n",
"markdown": "[A.test](tests/detectors/constable-states/0.8.0/const_state_variables.sol#L8) should be constant \n",
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]

7
tests/detectors/constable-states/0.8.0/immutable.sol
Unescape View File

@ -1,7 +0,0 @@
contract C{
uint immutable v;
constructor() public{
v = 0;
}
}

3
tests/detectors/constable-states/0.8.0/immutable.sol.0.8.0.ConstCandidateStateVars.json
Unescape View File

@ -1,3 +0,0 @@
[
[]
]

2
tests/test_detectors.py
Unescape View File

@ -497,7 +497,7 @@ ALL_TEST_OBJECTS = [
),
Test(
all_detectors.ConstCandidateStateVars,
"immutable.sol",
"const_state_variables.sol",
"0.8.0",
),
Test(

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