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Conor @jconorgrogan */ This is a solidity contract. Can you help me review it and let me know if there are security vulnderabilities? ** *Submitted for verification at Etherscan.io on 2018-01-28 I dumped a live Ethereum contract into GPT-4. In an instant, it highlighted a number of security vulnerabilities and pointed out surface areas where the contract could be exploited. It then verified a specific way I could exploit the contract pragma solidity ^0.4.18; // If you wanna escape this contract REALLY FAST // 1. open MEW/METAMASK // 2. Put this as data: Oxb1e35242 // 3. send 150000+ gas // That calls the getMeOutOfHere() method // Wacky version, 0-1 tokens takes 10eth (should be avg 200% gains), 1-2 takes a 30eth (avg 100% gains), and beyond that who the f--- knows but it's 50% gains // 10% fees, price goes up crazy fast contract PonziTokenV3 { uint256 constant PRECISION=0x10000000000000000; // 2^64 // CRR = 80% int constant CRRN = 1; int constant CRRD = 2; // The price coefficient. Chosen such that at 1 token total supply // the reserve is 0.8 ether and price 1 ether/token. int constant LOGC = -0x296ABF784A358468C; string constant public name = "Proof OfWeakHands"; string constant public symbol = "POWH"; uint8 constant public decimals = 18; 1:31 PM Mar 14, 2023 2.7M Views S from later investors. Such schemes are inherently fraudulent and illegal in most countries. 2. The contract is not secure against reentrancy attacks. In particular, the withdraw()` function can be called recursively by a malicious contract, leading to a drain of the contract's funds. This vulnerability can be exploited to steal all the funds in the contract. The 'sellMyTokensDaddy() function also contains a reentrancy vulnerability. 3. The fund() function accepts payments of any value greater than 0.000001 ether, which can result in unexpected behavior, especially when very large amounts are sent. 4. The sell() function can lead to integer underflow if the input value amount is greater than total Supply. This can be exploited to steal funds from the contract. 5. The 'getEtherFor Tokens() function contains a potential division-by-zero error if the input value tokens is equal to total Supply. 6. The contract relies on fixed-point arithmetic for mathematical calculations, which is prone to precision errors and can result in unexpected behavior. 7. The contract does not include sufficient comments and explanations of the code, Yes, submitting a large amount in the uint256_value field can exploit a vulnerability in this contract. In the buy() function, there is a line of code that calculates the number tokens to be bought based on the amount of ether sent by the user. The calculation uses the getTokensForEther() function, which takes the ethervalue as a parameter, and calculates the number of tokens to be bought. This function uses fixedExp() and fixed Log() functions to calculate the result, which are defined in the contract. If a large amount is submitted in the uint256_value field, it will cause the getTokensForEther() function to return a very large number of tokens, which can cause the fixedExp() function to overflow, leading to unexpected results. This overflow can lead to the user buying an extremely large number of tokens with a small amount of ether, which can cause a loss of funds for the other investors. : Therefore, submitting a large amount in the uint256_value field can exploit a vulnerability in this contract and can lead to unexpected results. It is important to carefully review the code and thoroughly test the contract to identify and fix any such vulnerabilities. ...

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I dumped a live Ethereum contract into GPT-4.


Uploaded by Philipp Mar 15, 2023 at 09:41AM EDT

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New report: 60% of OpenAl model's responses contain plagiarism f Megan Morrone X in 2 E F 6 H B N SELA
Me making sure to type "thank u" to ChatGPT so it spares my life during the apocalypse
Example of GPT-4 visual input: User GPT-4 What is funny about this image? My Sneed's Feed&Seed Formerly Chuck's The sign is a subtle joke. The shop is called "Sneed's Feed & Seed", where feed and seed both end in the sound "-eed", thus rhyming with the name of the owner, Sneed. The sign says that the shop was "Formerly Chuck's", implying that the two words beginning with "F" and "S" would have ended with "-uck", rhyming with "Chuck". So, when Chuck owned the shop, it would have been called "Chuck's Feeduck and Seeduck". Table 3. Example prompt demonstrating GPT-4's visual input capability.
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GPT (AI) - I dumped a live Ethereum contract into GPT-4.

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Uploaded Mar 15, 2023 at 09:41AM EDT

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