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solidity-rules.xml
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solidity-rules.xml
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Rules xmlns="http://www.smartdec.ru/SmartCheck/Conditions" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.smartdec.ru/SmartCheck/Conditions rules-grammar-schema.xsd ">
<Rule>
<RuleId>SOLIDITY_DivMul_Zero</RuleId>
<Patterns>
<!--Фa/b*c-->
<Pattern patternId="sdm001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//expression
[muldivOperator/mulOperator or
functionCall/functionName/identifier[text()[1]='mul']]
[descendant::divOperator or
descendant::functionCall/functionName/identifier[text()[1]='div']]
</XPath>
</Pattern>
<Pattern patternId="sdz001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//expression[muldivOperator/divOperator]
[expression[2]/primaryExpression/identifier = ancestor::functionDefinition/parameterList//parameter/identifier
or expression[2]/primaryExpression/numberLiteral]
[not(
expression[2]/primaryExpression/identifier = ancestor::ifStatement/condition//expression[comparison][expression//decimalNumber = "0"]//expression/primaryExpression/identifier
or expression[2]/primaryExpression/identifier = ancestor::*/preceding-sibling::statement//ifStatement/condition//expression[comparison][expression//decimalNumber = "0"]//expression/primaryExpression/identifier
or expression[2]/primaryExpression/identifier = ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//expression[comparison][expression//decimalNumber = "0"]//expression/primaryExpression/identifier
or expression[2]/primaryExpression/numberLiteral[not(decimalNumber = "0")]
)
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_UncheckedSelfDestruct</RuleId>
<Patterns>
<Pattern patternId="sus001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//expression[
functionCall/functionName[identifier = "selfdestruct"]
]
[not(
ancestor::ifStatement/condition//environmentalVariable[matches(text()[1],"msg.sender")]
or ancestor::statement[preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//environmentalVariable[matches(text()[1],"msg.sender")]]
or ancestor::functionDefinition/identifier[text()[1] = ancestor::sourceUnit//modifierDefinition/identifier and text()[1] ="onlyOwner"]
)
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_FunctionReturns_NoReturn</RuleId>
<Patterns>
<!--(returns(uint,...))-->
<Pattern patternId="snr001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition
[block]
[
not(block/statement//returnStatement)
or block/statement//returnStatement[not(expression)]
]
[returnsParameters/parameterList/parameter[not(identifier)]]
</XPath>
</Pattern>
<!--"function(...) ... returns (type name) {...}" - "name" return.-->
<Pattern patternId="snr002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition
[block]
[not(block/statement//returnStatement)]
[returnsParameters/parameterList/parameter/identifier[not(text()[1]=(ancestor::functionDefinition/block//expression[matches(text()[1],"=")]/expression[1]//identifier))]]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_StructNull</RuleId>
<Patterns>
<Pattern patternId="ssn001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//structDefinition[not(variableDeclaration)]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_IncorrectStorageLocation</RuleId>
<Patterns>
<Pattern patternId="sal001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition//variableDeclaration
[typeName[text()[1] = "[]"] or typeName/elementaryTypeName[text()[1] = "string"] or typeName/elementaryTypeName[text()[1] = "bytes"] ]
[storageLocation[text()[1] = "calldata"]
or
not(storageLocation)
]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4|0.7|0.8|0.6.9|0.6.10|0.6.11|0.6.12"))]]
]
</XPath>
</Pattern>
<Pattern patternId="sal002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition
[ parameterList/parameter
[typeName[text()[1] = "[]"] or typeName/elementaryTypeName[text()[1] = "string"] or typeName/elementaryTypeName[text()[1] = "bytes"] ]
[storageLocation[text()[1] = "calldata"]]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4|0.7|0.8|0.6.9|0.6.10|0.6.11|0.6.12"))]]
]
]
[visibleType[not(text()[1]="external")]
or not(visibleType)
]
</XPath>
</Pattern>
<Pattern patternId="sal003">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition
[ parameterList/parameter
[typeName[text()[1] = "[]"] or typeName/elementaryTypeName[text()[1] = "string"] or typeName/elementaryTypeName[text()[1] = "bytes"] ]
[storageLocation[text()[1] = "memory"]]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4|0.7|0.8|0.6.9|0.6.10|0.6.11|0.6.12"))]]
]
]
[visibleType[text()[1]="external"]
or not(visibleType)
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_FunctionExplicitVisibility </RuleId>
<Patterns>
<!--constructor未显式声明 或不是public类型-->
<Pattern patternId="fev001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//contractDefinition//functionDefinition[text()[1]="constructor"]
[visibleType[not(text()[1]="public" or text()[1]="internal")]
or not(visibleType)
]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4|0.7|0.8"))]]
]
</XPath>
</Pattern>
<!--fallback未显式声明 或不是external类型-->
<Pattern patternId="fev002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//contractDefinition//functionFallBackDefinition
[visibleType[not(text()[1]="external")]
or not(visibleType)
]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]]
]
</XPath>
</Pattern>
<!--interface内函数未显式声明 或不是external类型-->
<Pattern patternId="fev003">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//interfaceDefinition/contractPartDefinition/(functionDefinition|functionFallBackDefinition)
[visibleType[not(text()[1]="external")]
or not(visibleType)
]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]]
]
</XPath>
</Pattern>
<!--普通函数-->
<Pattern patternId="fev004">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//contractDefinition//functionDefinition[not(text()[1]="constructor")]
[not(visibleType)]
[ancestor::sourceUnit
[//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_DeprecatedVersion0.5</RuleId>
<Patterns>
<!--"suicide"-->
<Pattern patternId="sdv001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionCall/functionName//identifier[text()[1]="suicide"][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
|
//assemblyCall/identifier[text()[1]="suicide"][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!--"sha3"-->
<Pattern patternId="sdv002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionCall/functionName//identifier[text()[1]="sha3"][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
|
//assemblyCall/identifier[text()[1]="sha3"][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!--"throw"-->
<Pattern patternId="sdv003">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//statement/throwRevertStatement[text()[1]="throw"][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!--constant-->
<Pattern patternId="sdv004">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition[stateMutability/constantType][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!-- years -->
<Pattern patternId="sdv005">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//numberLiteral/numberUnit[text()[1]="years"]
[ancestor::sourceUnit [ //pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!--"callcode"-->
<Pattern patternId="sdv006">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionCall/functionName//identifier[text()[1]="callcode"][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!--"var"-->
<Pattern patternId="sdv007">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//variableDeclaration/typeName/elementaryTypeName[text()[1]="var"][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!--"block.blockhash"-->
<Pattern patternId="sdv008">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//environmentalVariable[matches(text()[1],"block.blockhash")][ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
<!--"同合约名构造函数"-->
<Pattern patternId="sdv009">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition[identifier = ancestor::contractDefinition/identifier]
[ancestor::sourceUnit
[
//pragmaSolidity//versionLiteral[not(matches(text()[1], "0.4"))]
]]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_VersionNotFixed</RuleId>
<Patterns>
<!---->
<Pattern patternId="snf001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>//pragmaDirective
[pragmaSolidity//versionOperator]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_VarInLoop</RuleId>
<Patterns>
<!-- "-->
<Pattern patternId="svl001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>//forStatement
[expression[1]//typeName/elementaryTypeName[text()[1] = "var"]
and
expression[1]//variableDeclaration/identifier[text()[1] = ancestor::forStatement/condition//identifier]
]
[
condition/expression/expression/primaryExpression/numberLiteral/decimalNumber[text()[1] > 256]
and
expression[1]//expression//numberLiteral/decimalNumber[256 > text()[1]]
or
condition/expression/expression//identifier[text()[1] = ancestor::functionDefinition/parameterList//identifier]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_Incorrect_View</RuleId>
<Patterns>
<Pattern patternId="siv001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition[stateMutability/viewType and block/descendant-or-self::*[
<!--Using selfdestruct and it's alias suicide:-->
expression[text()[1]="="]/expression[1]//identifier[text()[1] = ancestor::contractDefinition//stateVariableDeclaration/identifier]
or emitEventStatement
or functionCall/functionName/newContract
or functionCall/functionName//identifier[text()[1] = "selfdestruct"]
<!--Sending Ether via calls:-->
or functionCall/functionName//identifier[text()[1]="send" or text()[1]="transfer"]
<!--Using low-level calls:-->
or functionCall/functionName//identifier[text()[1]="call" or text()[1]="delegatecall"]
<!--Using inline assembly that contains certain opcodes:-->
or inlineAssemblyStatement
]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_Incorrect_Pure</RuleId>
<Patterns>
<Pattern patternId="sip001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//functionDefinition[stateMutability/pureType and block/descendant-or-self::*[
expression//identifier[text()[1] = ancestor::contractDefinition//stateVariableDeclaration/identifier]
<!--Accessing <address>.balance: using .balance-->
or expression[matches(text()[1],".balance")]
<!--Accessing any of the members of block, tx, msg (with the exception of msg.sig and msg.data)-->
or environmentalVariable[not(text()[1]= "msg.sig" or text()[1]= "msg.data")]
<!--Using selfdestruct -->
or functionCall/functionName//identifier[text()[1] = "selfdestruct"]
<!--Sending Ether via calls:-->
or functionCall/functionName//identifier[text()[1]="send" or text()[1]="transfer"]
<!--Using low-level calls:-->
or functionCall/functionName//identifier[text()[1]="call" or text()[1]="delegatecall"]
<!--Using inline assembly that contains certain opcodes:-->
or inlineAssemblyStatement
]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_FrozenEther</RuleId>
<Patterns>
<Pattern patternId="sfe001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//contractDefinition
[not(inheritanceSpecifier/userDefinedTypeName/identifier[matches(text()[1], "IERC")])]
[
contractPartDefinition
[functionDefinition/stateMutability/payableType
or functionFallBackDefinition/stateMutability/payableType]
]
[not(contractPartDefinition/functionDefinition/block//expression[text()[1]= "."]/expression/functionCall/functionName//identifier[matches(text()[1], "^IERC")])]
[not(contractPartDefinition/functionDefinition/block//functionCall/functionName//identifier[matches(text()[1], "^delegatecall$")])]
[not(contractPartDefinition/functionDefinition/block//functionCall/functionName//identifier[matches(text()[1], "^suicide$|^selfdestruct$")])]
[not(contractPartDefinition/functionDefinition/block//functionCall/functionName//identifier[matches(text()[1], "^transfer|^send$")])]
[not(contractPartDefinition/functionDefinition/block//functionCall/value)]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_Pragma0.4</RuleId>
<Patterns>
<Pattern patternId="pram0.4">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//pragmaDirective
[
pragmaSolidity//versionLiteral[matches(text()[1], "0.4|0.3")]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_MisuseOfRandom</RuleId>
<Patterns>
<!-- -->
<Pattern patternId="smr001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//expression[text()[1] = "="]
[
expression[2]//muldivOperator
]
[
expression[2]//environmentalVariable[matches(text()[1],"^block.timestamp|now$")]
or
expression[2]//environmentalVariable[matches(text()[1],"blockhash")]
]
</XPath>
</Pattern>
<Pattern patternId="smr002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//variableDeclaration[text()[1] = "="]
[
expression//muldivOperator
or
expression//plusminusOperator
]
[
expression//environmentalVariable[matches(text()[1],"^block.timestamp|now$")]
or
expression//environmentalVariable[matches(text()[1],"blockhash")]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_IncorrectBlockhash</RuleId>
<Patterns>
<!--block.blockhash查前256以内的区块 -->
<Pattern patternId="sib001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>2</Severity>
<XPath>
//environmentalVariable[matches(text()[1],"blockhash")]
[
expression[primaryExpression/numberLiteral/decimalNumber or environmentalVariable[text()[1]="block.number"]
or (expression[1]/environmentalVariable[text()[1]="block.number"]
and plusminusOperator/minusOperator
and expression[2]/primaryExpression/numberLiteral/decimalNumber
[text()[1] > 256])
or (expression[1]/environmentalVariable[text()[1]="block.number"]
and plusminusOperator/plusOperator
and expression[2]/primaryExpression/numberLiteral/decimalNumber
[text()[1] >= 0])
]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_Tx.Origin</RuleId>
<Patterns>
<Pattern patternId="sto001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//condition
[
expression[comparison]//environmentalVariable[matches(text()[1],"^tx.origin$")]/parent::expression[parent::expression[not(comparison and expression/environmentalVariable[matches(text()[1],"^msg.sender$")])]]
]
</XPath>
</Pattern>
<Pattern patternId="sto002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]
[
callArguments//expression[comparison]//environmentalVariable[matches(text()[1],"^tx.origin$")]/parent::expression[parent::expression[not(comparison and expression/environmentalVariable[matches(text()[1],"^msg.sender$")])]]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_UncheckedCall</RuleId>
<Patterns>
<Pattern patternId="suc001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//expressionStatement[ancestor::contractDefinition]
[
expression[not(text()[1] = "=")]//functionCall
[functionName//identifier[text()[1] = "send" or text()[1] = "call" or text()[1] = "delegatecall"]
and not(ancestor::ifStatement and ancestor::condition)
and not(ancestor::returnStatement)
and not(ancestor::functionCall[functionName[identifier='require' or identifier='assert' or identifier='revert']])
and not(ancestor::expressionStatement//primaryExpression[identifier='require' or identifier='assert' or identifier='revert'])
and not(ancestor::variableDeclarationStatement)
]
or
expression[text()[1] = "="]
[
expression[2]//functionCall/functionName//identifier[text()[1] = "staticcall" or text()[1] = "call" or text()[1] = "delegatecall"]
]
[
not(
expression[1]//variableDeclaration[typeName/elementaryTypeName[text()[1] = "bool"]]/identifier =
ancestor::block//condition//expression//identifier
or
expression[1]//variableDeclaration[typeName/elementaryTypeName[text()[1] = "bool"]]/identifier =
ancestor::block//functionCall[functionName[identifier='require' or identifier='assert' or identifier='revert']]/callArguments//identifier
or
expression[1]//variableDeclaration[typeName/elementaryTypeName[text()[1] = "bool"]]/identifier =
ancestor::block//expressionStatement//expression[expression/primaryExpression[identifier='require' or identifier='assert' or identifier='revert']]/callArguments//identifier
)
]
]
</XPath>
</Pattern>
<Pattern patternId="suc002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//assemblyCall
[identifier[text()[1] = "callcode" or text()[1] = "staticcall"]
and not(parent::assemblyExpression[parent::assemblyIf])
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_DOS_Gas</RuleId>
<Patterns>
<!--for循环 or ".balance", ".length"-->
<Pattern patternId="dos001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//forStatement
[condition//expression[matches(text()[1],"^.balance$|^.length$")]
or expression[2]//expression[matches(text()[1],"^.balance$|^.length$")]
or condition//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration/identifier)]
or condition//identifier[text()[1]=(ancestor::functionDefinition//variableDeclarationStatement//identifier)]
or condition//identifier[text()[1]=(ancestor::functionDefinition/parameterList//identifier)]
or expression[2]//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration/identifier)]
or expression[2]//identifier[text()[1]=(ancestor::functionDefinition//variableDeclarationStatement//identifier)]]
[statement//functionCall/functionName/identifier[text()[1] = "send" or text()[1] = "call" or text()[1] = "transfer"]
]
</XPath>
</Pattern>
<!-- while".balance", ".length"-->
<Pattern patternId="dos002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>1</Severity>
<XPath>
//whileStatement
[condition//expression[matches(text()[1],"^.balance$|^.length$")]
or condition//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration/identifier)]
or condition//identifier[text()[1]=(ancestor::functionDefinition/parameterList//identifier)]
or condition//identifier[text()[1]=(ancestor::functionDefinition//variableDeclarationStatement//identifier)]]
[statement//functionCall/functionName/identifier[text()[1] = "send" or text()[1] = "call" or text()[1] = "transfer"]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_Reentrancy</RuleId>
<Patterns>
<!-- -->
<Pattern patternId="ree001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//functionCall
[functionName/identifier[text()[1]="call"]]
[value]
[
not(gas)
or gas/expression//identifier
or gas/expression//numberLiteral[decimalNumber >= 10000]
]
[
ancestor::statement
[
following-sibling::statement//expression[lvalueOperator]/expression[1]//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration[typeName[not(elementaryTypeName = "bool")]]/identifier)]
or following-sibling::statement//expression[text()[1]="="]/expression[1]//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration[typeName[not(elementaryTypeName = "bool")]]/identifier)]
or following-sibling::statement//expression[twoPlusMinusOperator]/expression[1]//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration[typeName[not(elementaryTypeName = "bool")]]/identifier)]
]
]
</XPath>
</Pattern>
<Pattern patternId="ree002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//functionCall[ancestor::condition]
[functionName/identifier[text()[1]="call"]]
[value]
[
not(gas)
or gas/expression//identifier
or gas/expression//numberLiteral[decimalNumber >= 10000]
]
[
ancestor::ifStatement
[
statement//expression[lvalueOperator]/expression[1]//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration[typeName[not(elementaryTypeName = "bool")]]/identifier)]
or statement//expression[text()[1]="="]/expression[1]//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration[typeName[not(elementaryTypeName = "bool")]]/identifier)]
or statement//expression[twoPlusMinusOperator]/expression[1]//identifier[text()[1]=(ancestor::contractDefinition//stateVariableDeclaration[typeName[not(elementaryTypeName = "bool")]]/identifier)]
]
]
</XPath>
</Pattern>
</Patterns>
</Rule>
<Rule>
<RuleId>SOLIDITY_IntegerOverflow</RuleId>
<Patterns>
<!-- -->
<Pattern patternId="SIO001">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//expression[text()[1] = "="]
[ancestor::contractDefinition][ancestor::contractDefinition/identifier[not(matches(text()[1], "SafeMath"))]]
[ancestor::functionDefinition[not(visibleType = "internal" or visibleType = "private")]]
[not(ancestor::functionCall/functionName/identifier[matches(text()[1], "require|assert|revert")])]
[
expression[2]
[plusminusOperator or muldivOperator/mulOperator]
[
(expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition//variableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1]= (ancestor::contractDefinition//stateVariableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
and
expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
])
or
(expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition//variableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1]= (ancestor::contractDefinition//stateVariableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
and
expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
])
]
[
not(
expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::ifStatement/condition//expression//expression//identifier)
or text()[1] = ancestor::*/preceding-sibling::statement/ifStatement/condition//expression//identifier
]
and
expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::ifStatement/condition//expression//expression//identifier)
or text()[1] = ancestor::*/preceding-sibling::statement/ifStatement/condition//expression//identifier
]
)
]
[
not(
expression[1]/primaryExpression/identifier
[
text()[1] = ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
//expression//identifier
]
and
expression[2]/primaryExpression/identifier
[
text()[1] = ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
//expression//identifier
]
)
]
<!--[
not(
expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
/expression[1]//identifier)
]
or
expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
/expression[1]//identifier)
]
or
expression[1]/primaryExpression/identifier
[text()[1] = (ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments[//expression[not(matches(text()[1], "plusminusOperator | muldivOperator"))]]/expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
/expression/primaryExpression/identifier)
]
or
expression[2]/primaryExpression/identifier
[text()[1] = (ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments[//expression[not(matches(text()[1], "plusminusOperator | muldivOperator"))]]/expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
/expression/primaryExpression/identifier)
]
)
]-->
]
</XPath>
</Pattern>
<Pattern patternId="SIO002">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//variableDeclaration[text()[1] = "="]
[ancestor::contractDefinition][ancestor::functionDefinition[not(visibleType = "internal" or visibleType = "private")]]
[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]
[identifier[not(text()[1] = ancestor::block//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]//expression//identifier)] ]
[
expression
[plusminusOperator or muldivOperator/mulOperator]
[
(expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition//variableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1]= (ancestor::contractDefinition//stateVariableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
and
expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
])
or
(expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition//variableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1]= (ancestor::contractDefinition//stateVariableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
and
expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
])
]
[
not(
expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::ifStatement/condition//expression//expression//identifier)
or text()[1] = ancestor::*/preceding-sibling::statement/ifStatement/condition//expression//identifier
]
and
expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::ifStatement/condition//expression//expression//identifier)
or text()[1] = ancestor::*/preceding-sibling::statement/ifStatement/condition//expression//identifier
]
)
]
[
not(
expression[1]/primaryExpression/identifier
[
text()[1] = ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
//expression//identifier
]
and
expression[2]/primaryExpression/identifier
[
text()[1] = ancestor::*/preceding-sibling::statement//functionCall[functionName/identifier[matches(text()[1], "require|assert|revert")]]/callArguments//expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
//expression//identifier
]
)
]
]
</XPath>
</Pattern>
<Pattern patternId="SIO003">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//expression[text()[1] = ">" or text()[1] = ">=" or text()[1] = "<" or text()[1] = "<="]
[not(ancestor::expression[text()[1] = "["])]
[ancestor::contractDefinition][ancestor::functionDefinition[not(visibleType = "internal" or visibleType = "private")]]
[ancestor::functionCall/functionName[identifier[matches(text()[1], "require|assert|revert")]]
or (ancestor::ifStatement and ancestor::condition)]
[expression[plusminusOperator or muldivOperator/mulOperator]]
[
expression[1]
[plusminusOperator or muldivOperator/mulOperator]
[
expression//identifier
[
text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
]
]
[not(
expression[1]
[plusminusOperator or muldivOperator/mulOperator]
[
expression//identifier
[text()[1] = ancestor::callArguments/expression/expression[2]//identifier]
]
)
]
</XPath>
</Pattern>
<Pattern patternId="SIO004">
<Categories>
<Category>Solidity</Category>
</Categories>
<Severity>3</Severity>
<XPath>
//expression[ancestor::contractDefinition][ancestor::functionDefinition[not(visibleType = "internal" or visibleType = "private")]]
[lvalueOperator/minusLvalueOperator or lvalueOperator/mulLvalueOperator]
[not(expression[2]/primaryExpression/numberLiteral)]
[
expression[1]/expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition//variableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1]= (ancestor::contractDefinition//stateVariableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
or
expression[1]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition//variableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1]= (ancestor::contractDefinition//stateVariableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
or
expression[2]/primaryExpression/identifier
[
text()[1] = (ancestor::functionDefinition//variableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1]= (ancestor::contractDefinition//stateVariableDeclaration[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
or text()[1] = (ancestor::functionDefinition/parameterList/parameter[typeName/elementaryTypeName[matches(text()[1], "uint|int")]]/identifier)
]
]
[