jon becker @BeckerrJon Twitter profile

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jon becker

@BeckerrJon

1 year

ICYMI, here's my talk on Heimdall from @paradigm 's Rust x Ethereum event yesterday 🫡🦦

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Last Seen Profiles

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jon becker

@BeckerrJon

2 years

👀 Ethereum data is about to be easier to access than ever... @TransposeData

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jon becker

@BeckerrJon

2 years

The @MultiversalWalk team asked me to audit their contracts in preparation for their mint. I reviewed their contracts and published an audit with my findings. #ETH #Ethereum #Crypto #Cryptocurrency #NFTs

Multiversal Walkers Smart Contract Audit | Jonathan Becker

jbecker.dev

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jon becker

@BeckerrJon

2 years

One of the coolest things about heimdall-rs is looking at decompiled MEV bots

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jon becker

@BeckerrJon

2 years

0/ The beta for the decompile module has been released 🎉 Here's a quick thread on what it includes 🧵 Check it out:

GitHub - Jon-Becker/heimdall-rs: Heimdall is an advanced EVM smart contract toolkit specializing in...

Heimdall is an advanced EVM smart contract toolkit specializing in bytecode analysis and extracting information from unverified contracts. - Jon-Becker/heimdall-rs

github.com

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jon becker

@BeckerrJon

11 months

I'm super stoked to announce that i'll be joining @_shadowxyz as a Founding Engineer where I'll work to revolutionize the way we think of events and onchain data🫡

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jon becker

@BeckerrJon

2 years

0/ At long last, heimdall-rs 0.2.0 has been released! 🫡 This update includes my most recent decompile changes, including the ability to output solidity 🦦 A quick 🧵 with some changes:

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jon becker

@BeckerrJon

1 year

🦀

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jon becker

@BeckerrJon

1 year

0/ The moment you've all been waiting for 🦦 My article on writing efficient & performant rust is here 🫡

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jon becker

@BeckerrJon

2 years

Mind blowing 💕🦦

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jon becker

@BeckerrJon

1 year

. @SenWarren

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jon becker

@BeckerrJon

9 months

0/ heimdall is able to decode raw calldata, without the contract ABI or signature resolution 🤯🫡 here's how it works 👇

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jon becker

@BeckerrJon

11 months

don't miss my presentation on the EVM and smart contract internals, hosted by @opensensepw ❤️‍🔥🫡

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jon becker

@BeckerrJon

2 years

I wrote an article on how heimdall-rs' smart-contract decompilation module works at a low level. Hope you enjoy! ❤️‍🔥🦦

Diving Into Smart Contract Decompilation | Jonathan Becker

jbecker.dev

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jon becker

@BeckerrJon

2 years

your storage slots are mine 😈

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jon becker

@BeckerrJon

2 years

gorgeous decompilation 😍

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jon becker

@BeckerrJon

2 years

👀

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jon becker

@BeckerrJon

2 years

Aaaaand DONE! GitHub contribution badges as non-transferrable, on-chain tokens is a reality. Here's a thread with some more details 🧵 Big thanks to @achalvs and @gakonst for the ideas. Check out the source: #ETH #Ethereum #Crypto #Solidity #NFTs #DeFi

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jon becker

@BeckerrJon

1 year

0/ heimdall-rs 0.4.0 has been released, introducing the storage dumping module and minor decompile fixes 🦦❤️‍🔥 Here's a quick thread with some changes 🧵

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jon becker

@BeckerrJon

2 years

Thank you for 400 🌟 on GitHub! All that's left before full decompiler release is loop detection 🫡

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jon becker

@BeckerrJon

1 year

oh yeah, it's all coming together 🦦

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jon becker

@BeckerrJon

9 months

0/ heimdall-rs 0.7.0 is here 🎉 🎅 let's take a look at what's changed over the past month 👇

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jon becker

@BeckerrJon

1 year

heimdall-rs 0.5.0 has been released, introducing the contract snapshot module to the toolkit! 🦀 🦦 👇 🧵

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jon becker

@BeckerrJon

7 months

absolutely massive ❤️🦦🤩

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jon becker

@BeckerrJon

1 year

heimdall-rs 0.5.3 has been released 🥳 🦦 here's what's changed 🧵 👇

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jon becker

@BeckerrJon

2 years

😍 full decompiler should be done soon. right now looks like decompile runtime is ~100ms per function selector (without resolving signatures)

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jon becker

@BeckerrJon

9 months

We're super stoked to share that @_shadowxyz has raised a $9M seed round led by @Paradigm ! We're looking forward to collaborating with some of the brightest minds in crypto to revolutionize blockchain data infrastructure. 🌗

Shadow

@shadowxyz

9 months

1/ We’re thrilled to announce our $9M seed round led by @Paradigm

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jon becker

@BeckerrJon

9 months

i love rust

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jon becker

@BeckerrJon

1 year

😳🦦

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jon becker

@BeckerrJon

1 year

the number of potential 0x00000000 4byte selectors is wild gas bad

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jon becker

@BeckerrJon

2 years

Imagine being able to put in a contract address and dump its entire storage. Soon 🫡🦦

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jon becker

@BeckerrJon

9 months

due to popular demand, i'll make a blog post on about how this works internally! stay tuned 🫡🦦

Jonathan Becker | Software Engineer

Hey! I'm Jon, a 22 year old software engineer from the United States.

jbecker.dev

jon becker

@BeckerrJon

9 months

3/ ✨ raw calldata decoding ✨ heimdall's `decode` module can now decode complex, arbitrary calldata - even when signature resolution fails. (think abi.decode, but without giving it types) if you're interested in *how* this works, let me know!

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jon becker

@BeckerrJon

2 years

final stretch 🫡 writing decompiled logic to output and postprocessing it.

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jon becker

@BeckerrJon

1 year

👀

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jon becker

@BeckerrJon

3 years

I wrote a quick paper regarding @opensea 's recent attack, as well as how it can be prevented in the future. #Ethereum #ETH #NFT #OpenSea #ETHSec

OpenSea Phishing Postmortem | Jonathan Becker

jbecker.dev

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jon becker

@BeckerrJon

2 years

0/ postprocessing coming a long way 🥲 in the final stages of development, fixing up minor bugs and conditionals and it should be good to go 🫡

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jon becker

@BeckerrJon

1 year

huge thank you for 800 🌟 on github! i'll be releasing 0.5.3 in the next few days 🦦 ❤️

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jon becker

@BeckerrJon

2 years

Direct SQL access to all of @TransposeData 's indexed blockchain data is now live! Infinitely flexible queries are now a reality. SQL Playground: Get an API Key:

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jon becker

@BeckerrJon

2 years

All thats left to do for on-chain GitHub contribution badges is the actionscript. All the solidity is done, I just need to format it. Check out tokenURI(1) ;) ( Design by @achalvs ) #ETH #Ethereum #Crypto #Cryptocurrency #Solidity #DeFi #GitHub

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jon becker

@BeckerrJon

9 months

life-changing for rust devs 🦀

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jon becker

@BeckerrJon

9 months

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jon becker

@BeckerrJon

1 year

tentative roadmap for the future of heimdall-rs:

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jon becker

@BeckerrJon

1 year

0/ heimdall-rs 0.4.2 has been released today 🥳 here's a quick thread going over everything that's changed 🫡

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jon becker

@BeckerrJon

10 months

0/ heimdall-rs 0.6.4 has been released, bringing minor bug fixes and improvements to the toolkit 🧵

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jon becker

@BeckerrJon

2 years

🫡 0/ I've introduced compiler and parameter type detection using operation heuristics. This allows us to determine types without resolving signatures. 🧵

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jon becker

@BeckerrJon

11 months

worth a listen if you're into EVM reversing 🫡

DeGatchi

@DeGatchi

11 months

On @ScrapingBits I spoke w/ @BeckerrJon about: 🕵️‍♂️ The process of reverse engineering contracts. 🤖 Building a bytecode analyzer from scratch. 🧙‍♂️ Symbolic execution and dynamic analysis. ⁉️ And much more... Listen now!

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jon becker

@BeckerrJon

1 year

rust compiles so fast on my new m2 😍

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jon becker

@BeckerrJon

1 year

what if eve just wanted to be friends with alice and bob? cryptographers cannot fathom this

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jon becker

@BeckerrJon

2 years

I can’t wait to do detailed transaction tracing for heimdall-rs. These traces are gorgeous

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jon becker

@BeckerrJon

2 years

cleaning up the playground, making it easier to build queries than ever more dope stuff coming soon 🦦👀

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jon becker

@BeckerrJon

1 year

decided to include a major refactor in the next version of heimdall-rs, which will: - make all modules async - all modules will return Result<> rather than create files - separate the CLI from core heimdall mods this should make it easier to use heimdall in your rust apps 🫡

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jon becker

@BeckerrJon

10 months

🦦❤️

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jon becker

@BeckerrJon

1 year

1/ Check it out:

On Maximizing Your Rust Code's Performance | Jonathan Becker

jbecker.dev

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jon becker

@BeckerrJon

2 years

The CFG module in heimdall-rs 0.3.1 will support all EVM contracts, regardless of compiler! Working on a few more patches before the release.

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jon becker

@BeckerrJon

1 year

👀

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jon becker

@BeckerrJon

2 years

Sneak Peek 👀 @TransposeData

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jon becker

@BeckerrJon

2 years

looking to spice up my timeline with more EVM wizards. Tag some underfollowed devs in Ethereum 🫡

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jon becker

@BeckerrJon

1 year

🥳🦦

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jon becker

@BeckerrJon

2 years

@alpeh_v Maybe this?

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jon becker

@BeckerrJon

7 months

hello EIP-1153

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jon becker

@BeckerrJon

1 year

okok reth node syncing 🫡

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jon becker

@BeckerrJon

2 years

Just opened the heimdall-rs repo :) Docs are bare-minimum right now, mostly missing. Currently only modules are decode and disassemble, but they are quite sexy so who cares. More coming soon ™️ now you can watch me work 🫡🫡

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jon becker

@BeckerrJon

11 months

heimdall-rs 0.6.0 has been released introducing a major refactor, decompilation improvements, and more 🔥 let's dive in to what's changed👇

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jon becker

@BeckerrJon

1 year

0/ heimdall-rs 0.4.6 has been released, bringing minor patches and QOL improvements 🦦🎉 Here's a quick thread with some changes:

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jon becker

@BeckerrJon

11 months

honestly a tragedy 🦦

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jon becker

@BeckerrJon

9 months

wen heimdall?

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jon becker

@BeckerrJon

1 year

heard you haven’t started learning rust yet wat giv?

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jon becker

@BeckerrJon

1 year

++age 🦦

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jon becker

@BeckerrJon

2 years

🤩

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jon becker

@BeckerrJon

10 months

0/ if you're looking to contribute to heimdall but don't know where to start, here's a few great first issues! 🦦❤️

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jon becker

@BeckerrJon

1 year

2000 otter lovers 🦦🥰

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jon becker

@BeckerrJon

2 years

❤️‍🔥 Thank you everyone for 200 stars on heimdall-rs and 100 GitHub followers! It means a lot to have your work recognized.

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jon becker

@BeckerrJon

1 year

03/16/2023 😍

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jon becker

@BeckerrJon

7 months

cool things coming soon 🐍

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jon becker

@BeckerrJon

2 years

heimdall-rs just hit 100 🌟 on GitHub! More modules coming soon, and feel free to suggest anything! ❤️❤️🦦

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jon becker

@BeckerrJon

2 years

finishing up the TUI

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jon becker

@BeckerrJon

8 months

sanity? gone ❌ refactor? done ✅ hotel? trivago ✈️

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jon becker

@BeckerrJon

2 years

Simple decompile benchmarks coming in at ~12ms per run, with more complex contracts averaging ~150ms🔥

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jon becker

@BeckerrJon

9 months

this is absolutely tragic, the end of an era 💔

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jon becker

@BeckerrJon

7 months

heimdall (nightly) will support EIP-1153 and transient storage by monday 🫡🛠️

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jon becker

@BeckerrJon

1 year

heimdall-rs 0.4.0 is nearly here 🥳 Finalizing a few TUI UX things and we're ready to go 🦦

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jon becker

@BeckerrJon

2 years

heimdall-rs 0.2.3 has been released, allowing for the use its decompile capabilities in other rust projects. Massive thanks to @eth_worm for this contribution 🫡🦦

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jon becker

@BeckerrJon

2 years

heimdall-rs has had versions 0.2.1 and 0.2.2 released in the past few days, including minor bug fixes. 0.2.1 introduces natspec comments, which display decompiler notices as well as potential types the compiler chose from for each argument.

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jon becker

@BeckerrJon

2 years

0/ heimdall-rs 0.3.0 has been released, introducing the new control-flow graph module to the toolkit. 🧵

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jon becker

@BeckerrJon

7 months

@PopPunkOnChain @Blast_L2 git add -A git commit -m “chore: fix typos”

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jon becker

@BeckerrJon

1 year

mission success😍

jon becker

@BeckerrJon

1 year

Optimization time 🫡

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jon becker

@BeckerrJon

9 months

i’ll likely publish this tomorrow

jon becker

@BeckerrJon

9 months

due to popular demand, i'll make a blog post on about how this works internally! stay tuned 🫡🦦

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jon becker

@BeckerrJon

9 months

With ERC-7571, we're proposing a standardized syntax for shadow events in smart contracts on Ethereum 🌗

Shadow

@shadowxyz

9 months

We’re proposing ERC-7571 🌗 A standardized syntax for shadow events within Ethereum smart contracts to make it easier for them to be specified, discovered, and fetched by any offchain developer tools or infrastructure.

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jon becker

@BeckerrJon

1 year

Wrote a quick @TransposeData query that decodes and returns the most recent onchain messages ❤️‍🔥🫡

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jon becker

@BeckerrJon

1 year

i’m now on @farcaster_xyz

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jon becker

@BeckerrJon

9 months

3/ ✨ raw calldata decoding ✨ heimdall's `decode` module can now decode complex, arbitrary calldata - even when signature resolution fails. (think abi.decode, but without giving it types) if you're interested in *how* this works, let me know!

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jon becker

@BeckerrJon

2 years

0/ heimdall-rs 0.3.1 has been released! Here's a brief thread with some changes 🧵❤️‍🔥

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jon becker

@BeckerrJon

2 years

Solidity output for heimdall-rs is nearly ready. In the next update (sometime this weekend), ill enable solidity output via an optional flag. Once stable, it'll be enabled by default 🥳🦦

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jon becker

@BeckerrJon

2 years

This @TransposeData query shows you the 24 hour volume for each DEX on Ethereum, allowing us to see exactly how much market dominance platforms like Uniswap have.