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Ethereum Smart Contract Decompiler !FULL!

The rise of smart contracts - autonomous applications running on blockchains - has led to a growing number of threats, necessitating sophisticated analysis. However, smart contracts, which transact valuable tokens and cryptocurrencies, are compiled to very low-level bytecode. It is estimated that high-level source code is publicly available for under 1% of contracts on Ethereum (the most popular smart-contract blockchain).

Ethereum Smart Contract Decompiler

Since I started working in the Ethereum ecosystem and auditing Ethereum smart contract in bytecode format. I have evaluated many well-known projects which claimed they can decompile EVM (Ethereum Virtual Machine) bytecode. However, none of them really show good result for real world examples. So reading the EVM opcodes from the smart contracts is a really frustrating job and you can be lost anywhere among the JUMPs and POPs. So an idea popped into my mind that why not make a really working one to speed up the audit of raw EVM bytecode.

Another thing worth mentioning is that EVM itself is under development too. Also there are several high level languages you can choose to compile a smart contract. So the compiled EVM bytecode is very compiler dependent, even version dependent on by same compiler. For my research work, I used Remix online Solidity compiler. If you choose different versions to compile on a same piece of code, you will be surprised by the results. Since Solidity is under development too, it is no way you can expect consistent compiled results. So these facts will make the developer life harder, especially when more readable content is expected from the decompiler.

Ethereum is gaining a significant popularity in the blockchain community, mainly due to fact that it is design in a way that enables developers to write decentralized applications (Dapps) and smart-contract using blockchain technology.

My expertise is focused on program analysis, mostly applied to security applications. My work in this area has been recently highlighted by ACM SIGPLAN and Communications of the ACM. I am also interested in the areas of energy efficient systems, smart contracts, semantics and generative programming. Some popular tools I have codeveloped include decompilers and security analyzers for the Ethereum platform (MadMax and Gigahorse) and Java pointer and taint analysis frameworks (Doop, P/Taint and HeapDL). Previously, I was Reach High Fellow at the University of Athens, a Senior Research Associate at the University of Bristol, and have worked in industry as a Data Scientist and Software Engineer. I hold a PhD from the University of Southampton.

Description: Smart contracts are software, and hence, cannot be perfect. Smart contracts suffer from bugs, some of which putting high financial stakes at risk.There is a new line of research on automated patching of smart contract. You will devise, perform and analyze a comparative experiment to identify the successes, challenges and limitations of automated program repair for smart contracts.

Programs executed on the Ethereum blockchain are defined through smart contracts. Solidity is the de-facto programming language used to implement smart contracts. Since much is at stake, good test coverage is essential for Solidity programs [1]. Coverage in production gives additional information about field usage [2], and the blockchain is a fully reproducible production workload. You will design and perform experiments to study production coverage in the context of smart contracts specified in Solidity.

Smart contracts typically hold large stakes and consequently, they are under constant attack by malicious actors. As counter-measure, engineering smart contracts involves auditing and formal verification [1]. Another option is automatic exploit synthesis [2]In this thesis, you will evaluate the state of the art of exploit synthesis for smart contracts. You will then design, implement and evaluate a better system that improves upon the state of the art.

Is there any way, how to take this bytecode and publish it as a smart contract? What if I know what functions are inside and can call them from outside because I have the code anyway but can anyone publish an unverified bytecode of smartcontract? If so, how? 350c69d7ab


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