messages
listlengths
2
2
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity 0.4.20;\n\ncontract IAugur {\n function createChildUniverse(bytes32 _parentPayoutDistributionHash, uint256[] _parentPayoutNumerators, bool _parentInvalid) public returns (IUniverse);\n ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\n/*\n * Creator: PLANETAGRO.ORG (MEMBERSHIP) \n */\n\n/*\n * Abstract Token Smart Contract\n *\n */\n\n \n /*\n * Safe Math Smart Contract. \n * https://github.com/OpenZeppelin/z...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\ncontract SafeMath {\n uint256 constant public MAX_UINT256 =\n 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;\n\n function safeAdd(uint256 x, uint25...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\n// File: node_modules\\openzeppelin-solidity\\contracts\\token\\ERC20\\IERC20.sol\n\n/**\n * @title ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/20\n */\...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n/**\n * @title SafeMath\n */\nlibrary SafeMath {\n\n /**\n * Multiplies two numbers, throws on overflow.\n */\n function mul(uint256 a, uint256 b) internal pure retu...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n/* \n@INATOKEN DEVELOPMENT TEAM\n@COPYRIGHT 2018\n */\n \n pragma solidity ^0.4.4;\n\ncontract Token {\n function totalSupply() constant returns (uint256 supply) {}\n function balanceOf(address _owne...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.12;\n\n\n\n/**\n\n * @title SafeMath\n\n * @dev Math operations with safety checks that throw on error\n\n */\n\nlibrary SafeMath {\n\n function mul(uint256 a, uint256 b) internal con...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.12;\n\n/**\n * Math operations with safety checks\n */\ncontract SafeMath {\n function safeMul(uint256 a, uint256 b) internal constant returns (uint256) {\n uint256 c = a * b;\n ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.23;\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, this simplifies the implementation of \"user p...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\ncontract NFTYToken {\n\n event Transfer(address indexed from, address indexed to, uint amount);\n event Approval(address indexed owner, address indexed spender, uint amoun...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.13;\n\n/*\n\nDistrict Buyer\n========================\n\nBuys District tokens from the crowdsale on your behalf.\nAuthor: /u/Cintix\n\n*/\n\n// ERC20 Interface: https://github.com/ethe...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.17;\ncontract tokenRecipient { function receiveApproval(address from, uint256 value, address token, bytes extraData) public; }\ncontract JPMD100B\n { \n /* Variables */\n stri...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.20;\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, this simplifies the implementation of \"user p...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.13;\n\ncontract owned {\n address public owner;\n\n function owned() {\n owner = msg.sender;\n }\n\n modifier onlyOwner {\n if (msg.sender != owner) revert();...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.19;\n\ninterface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }\n\ncontract BlupeeToken {\n // Public variables...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.13;\n\n/*\n\n Ziber.io Contract\n ========================\n Buys ZBR tokens from the DAO crowdsale on your behalf.\n Author: /u/Leo\n\n*/\n\n\n// Interface to ZBR ICO Contract\nco...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n/*\n Ⓒ oceansafe.io\n OceanSafe Coin\n 2017\n*/\n\ncontract ERC20Basic {\n uint public totalSupply;\n function balanceOf(address who) constant returns (uint);\n functio...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal pure returns (uin...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.16;\n\ninterface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }\n\ncontract TokenERC20 {\n // Public variable...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\ncontract UserRegistryInterface {\n event AddAddress(address indexed who);\n event AddIdentity(address indexed who);\n\n function knownAddress(address _who) public constant re...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.15;\n\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\n uint256 c = a * b;\n assert(a == 0 || c / a == b);\n return c;\n }\n\n fu...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n \n // ----------------------------------------------------------------------------\n // 'ACT97112' token contract\n //\n // Deployed to : 0x3f70c0B02879c36162C2C90...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n// File: zeppelin-solidity/contracts/ownership/Ownable.sol\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n// ----------------------------------------------------------------------------\n// 'Saffron' token contract\n//\n// Deployed to : 0x43076911f22A3eb2BF43c3F9B5490e8e2Fa8Bd24\n// Symbol : SAT\n// Name ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.13;\n\ncontract ERC20Basic {\n uint256 public totalSupply;\n function balanceOf(address who) constant returns (uint256);\n function transfer(address to, uint256 value) returns (bool...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal pure returns (uin...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.19;\n\n\n/// @title Gimli Token presale - https://gimli.io (GIM) - crowdfunding code\n/// Whitepaper:\n/// https://gimli.io/wp-content/uploads/2017/07/Gimli-white-paper.pdf\n\ncontra...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.8;\n\ncontract wallet {\n address owner;\n function wallet() {\n owner = msg.sender;\n }\n function transfer(address target) payable {\n target.send(msg.value...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.12;\n \ncontract SafeMath {\n \n \n function safeAdd(uint256 x, uint256 y) internal returns(uint256) {\n uint256 z = x + y;\n assert((z >= x) && (z >= y));\n re...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity 0.4.23;\n\n// File: contracts/commons/SafeMath.sol\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n/**\n * MyAdvancedToken\n * edisonlee55/ethereum-org (https://github.com/edisonlee55/ethereum-org/blob/master/solidity/token-advanced.sol)\n *\n * Copyright (c) 2017 MING-CHIEN LE...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\n/*\n * Creator: CAS (CariOS) \n */\n\n/*\n * Abstract Token Smart Contract\n *\n */\n\n \n /*\n * Safe Math Smart Contract. \n * https://github.com/OpenZeppelin/zeppelin-solidit...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\n// ----------------------------------------------------------------------------\n// 'BANGI' token contract\n//\n// Symbol : BONG\n// Name : BANGI\n// Total supply: ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.21;\n\ninterface ERC20_MIST { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }\n\ncontract ERC20MIST {\n // Public variables of...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n/* ===============================================\n* Flattened with Solidifier by Coinage\n* \n* https://solidifier.coina.ge\n* ===============================================\n*/\n\n\n/*\n---------------...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.10;\n\ncontract Fier {\n string public name = \"Fire\";\n string public symbol = \"FIRE\";\n string public standard = \"DApp Token v1.0\";\n uint256 public totalSupply;\...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.13;\n\ncontract ERC20Basic {\n uint256 public totalSupply;\n function balanceOf(address who) public constant returns (uint256);\n function transfer(address to, uint256 value) public...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.4;\n\ncontract Token {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint256 supply) {}\n\n /// @param _owner The address from which the ba...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\n// ----------------------------------------------------------------------------\n// 'ARTCHAINCOIN' token contract\n//\n// Deployed to : 0x0C5841A5CE2C629724e0d70637AdFD1507F5664...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.21;\n\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n\n /**\n * @dev Multiplies two numbers, throws on overflow....
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\ncontract SageToken {\n /* Public variables of the token */\n string public standard = 'Token 0.1';\n string public name;\n string public symbol;\n uint8 public decimals;\n uint256 public ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity 0.4.15;\n\ncontract ERC20Interface {\n event Transfer(address indexed _from, address indexed _to, uint256 _value);\n event Approved(address indexed _owner, address indexed _spender, u...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity \t\t^0.4.21\t;\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\ncontract\tAMOT__20230515\t\t\t\t{\t\t\t\t\n\t\t\t\t\t\t\t\t\t\n\tmapping (address => uint256) public balanceOf;\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.13;\n\n\n/**\n * @title ERC20Basic\n * @dev Simpler version of ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/179\n */\ncontract ERC20Basic {\n uint256 public to...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\ncontract Time {\n using DateTime for uint;\n\n function getDate(uint time) public view returns(string) {\n uint year = time.getYear();\n uint month = time.getMonth();\n ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n// SafeMath\ncontract SafeMath {\n function safeMul(uint a, uint b) internal pure returns (uint) {\n uint c = a * b;\n assert(a == 0 || c / a == b);\n re...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.16;\n\n\n//Clout Token version 0.2\n\n\ncontract SafeMath {\n function safeMul(uint a, uint b) internal returns (uint) {\n uint c = a * b;\n assert(a == 0 || c / a == b);\n r...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\n/*\n * Creator: S1 (S1Coin) \n */\n\n/*\n * Abstract Token Smart Contract\n *\n */\n\n \n /*\n * Safe Math Smart Contract. \n * https://github.com/OpenZeppelin/zeppelin-solidity...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.15;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal constant returns ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n// File: zeppelin-solidity/contracts/math/SafeMath.sol\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n\n /...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.4;\ncontract Token {\n function totalSupply() constant returns (uint256 supply) {}\n function balanceOf(address _owner) constant returns (uint256 balance) {}\n function transf...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.15;\n\ncontract ERC20 {\n\n function transferFrom(address _from, address _to, uint256 _value) returns (bool success);\n}\n\ncontract Ownable {\n\n address owner;\n address pendingOw...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.25;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n\n /**\n * @dev Multiplies two numbers, throws on overflo...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity 0.4.25;\n\n// File: contracts/saga/interfaces/IModelDataSource.sol\n\n/**\n * @title Model Data Source Interface.\n */\ninterface IModelDataSource {\n /**\n * @dev Get interval param...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.8;\n\n\ncontract Token {\n /* This is a slight change to the ERC20 base standard.\n function totalSupply() constant returns (uint256 supply);\n is replaced with:\n uint256 ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal pure returns (uin...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.8;\n\n/*\nAvatarNetwork Copyright\n\nhttps://avatarnetwork.io\n*/\n\ncontract Owned {\n\n address owner;\n\n function Owned() {\n owner = msg.sender;\n }\n\n functio...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n//Copyright CryptoDiamond srl\n//Luigi Di Benedetto | Brescia (Italy) | CEO CryptoDiamond srl\n\n//social: fb - https://www.facebook.com/LuigiDiBenedettoBS\n// linkedin - https://www...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal returns(uint256) {\n\t\tuint256 c = a * b;\n\t\tassert(a == 0 || c / a == b);\n\t\treturn c;\n }\n \n ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n// Created by BossToken - 2017 https://www.bosstoken.org\ncontract Token {\n \n function totalSupply() constant returns (uint256 supply) {}\n function balanceOf(address _...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.19;\n\n\n/// @title Filecoin token presale - filecoin.io / protocol.ai (FILE) - crowdfunding code\n/// Whitepaper:\n/// http://filecoin.io/filecoin.pdf\n\ncontract FileCoin {\n s...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.19;\n\ncontract Love {\n\n mapping (address => address) private propose;\n mapping (address => address) private partner;\n mapping (uint256 => string[]) private partnerMessages;\n ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\n// ----------------------------------------------------------------------------\n// 'vividkoin' token contract\n//\n// Deployed to : 0xB42f260c0E424994A40Cf37774F893645DaEC556\n...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n\n function mul(uint256 a, uint256 b) internal pure returns ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.15;\n\n\n/**\n* @title SafeMath\n* @dev Math operations with safety checks that throw on error\n*/\nlibrary SafeMath {\nfunction mul(uint256 a, uint256 b) internal constant returns (ui...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.15;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal constant returns ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n/**\n* @title SafeMath\n* @dev Math operations with safety checks that throw on error\n*/\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal pure returns (uint25...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n// Author : shift\n\npragma solidity ^0.4.18;\n\n//--------- OpenZeppelin's Safe Math\n//Source : https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/math/SafeMath.sol\n/**\n * @title S...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.8;\ncontract Token{\n \n uint256 public totalSupply;\n\n \n function balanceOf(address _owner) constant returns (uint256 balance);\n\n \n function transfer(address _to, u...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.11;\n\n/*\n\nENS Trade Factory\n========================\n\nListed names and additional information available at ensnames.com\nAuthor: /u/Cintix\n*/\n\n// Interfaces for the various EN...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.4;\n\n// ERC20-compliant wrapper token for GNT\n// adapted from code provided by u/JonnyLatte\n\ncontract TokenInterface {\n mapping (address => uint256) balances;\n mapping (add...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.16;\n\ninterface tokenRecipient { \n function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; \n}\n\ncontract TokenERC20 {\n // Public ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\ncontract ERC20 {\n function transferFrom(address from, address to, uint256 value) public returns (bool);\n}\n\n\ncontract MultiSender {\n function tokenFallback(address /*_fro...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal pure returns (uin...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\ncontract Math {\n function mul(uint a, uint b) internal returns (uint) {\n uint c = a * b;\n assert(a == 0 || c / a == b);\n return c;\n }\n\n function div(uint a, uint b) internal returns (uin...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity 0.4.24;\n\ninterface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }\n\ncontract Aristoteles {\n // Public variabl...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n\ncontract Seminolium {\n string public name = \"Seminolium\";\n string public symbol = \"SMNL\";\n uint8 public decimals = 18;\n uint256 public initialSupply = 200000...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.13;\n\ncontract DBC {\n\n // MODIFIERS\n\n modifier pre_cond(bool condition) {\n require(condition);\n _;\n }\n\n modifier post_cond(bool condition) {\n ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.21;\n\n// -----------------\n//begin Ownable.sol\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, t...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\ncontract Token {\n /* Public variables of the token */\n string public standard = 'Token 0.1';\n string public name;\n string public symbol;\n uint8 public decimals;\n uint256 public init...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n/**\n *Submitted for verification at Etherscan.io on 2019-04-22\n*/\n\npragma solidity ^0.4.18;\n\n// ----------------------------------------------------------------------------\n// BTE Application (BTEU)...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n//! E-mail verification contract\n//! By Gav Wood, 2016.\n\npragma solidity ^0.4.0;\n\ncontract Owned {\n\tmodifier only_owner { if (msg.sender != owner) return; _; }\n\n\tevent NewOwner(address indexed ol...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n// Abstract contract for the full ERC 20 Token standard\n// https://github.com/ethereum/EIPs/issues/20\npragma solidity ^0.4.8;\n\ncontract Token {\n /* This is a slight change to the ERC20 base standar...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.21;\n\n// File: node_modules/openzeppelin-solidity/contracts/math/SafeMath.sol\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.25;\n\n/**\n * \n * ╔╗╔╗╔╗╔══╗╔╗──╔╗──╔══╗╔═══╗──╔╗──╔╗╔═══╗\n * ║║║║║║║╔╗║║║──║║──╚╗╔╝║╔══╝──║║──║║║╔══╝\n * ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.16;\n\ninterface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }\n\ncontract TokenERC20 {\n // Public variables ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.24;\n\ninterface IERC20 {\n \n function name() external view returns (string);\n \n function symbol() external view returns (string);\n \n function decimals() external view ret...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.4;\n\ncontract Token {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint256 supply) {}\n\n /// @param _owner The address from which the ba...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.21;\n\ncontract ERC20Basic {\n function totalSupply() public view returns (uint256);\n function balanceOf(address who) public view returns (uint256);\n function transfer(addre...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.15;\n\ncontract ERC20Basic {\n uint256 public totalSupply;\n function balanceOf(address who) constant returns (uint256);\n function transfer(address to, uint256 value) returns (bool...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.11;\n\ncontract Multisig {\n event Deposit(address _from, uint value);\n event SingleTransact(address owner, uint value, address to, bytes data);\n event MultiTransact(address owner...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.4;\n\ncontract Token {\n\n /// @return total amount of tokens\n function totalSupply() constant returns (uint256 supply) {}\n\n /// @param _owner The address from which the ba...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.25;\n\ncontract Utils {\n function safeAdd(uint256 _x, uint256 _y) internal pure returns (uint256) {\n uint256 _z = _x + _y;\n assert(_z >= _x);\n return _z;\n ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.11;\n\ncontract BLOCKCHAIN_DEPOSIT_BETA {\n\t\n\t/* CONTRACT SETUP */\n\n\tuint constant PAYOUT_INTERVAL = 1 days;\n\n\t/* NB: Solidity doesn't support fixed or floats yet, so we use p...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\n/**\n *Submitted for verification at Etherscan.io on 2019-09-09\n * BEB dapp for www.betbeb.com\n*/\npragma solidity^0.4.24; \ninterface tokenTransfer {\n function transfer(address receiver, uint amoun...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.18;\n \ncontract ERC20Basic {\n uint256 public totalSupply;\n function balanceOf(address who) public constant returns (uint256);\n function transfer(address to, uint256 value) publi...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.15;\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n function mul(uint256 a, uint256 b) internal constant returns ...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity 0.4.21;\n\n/**\n * @title Array8 Library\n * @author Modular Inc, https://modular.network\n *\n * version 1.2.0\n * Copyright (c) 2017 Modular, Inc\n * The MIT License (MIT)\n * https://git...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\npragma solidity ^0.4.16;\ncontract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData); }\n\ncontract BNTToken {\n /* Public variables of the BNT T...
[ { "role": "user", "content": "Analyze this Solidity code for security vulnerabilities:\n\n```solidity\ncontract ERC20Token {\n /* This is a slight change to the ERC20 base standard.\n function totalSupply() constant returns (uint256 supply);\n is replaced with:\n uint256 public totalSupply;\n ...