evm
Pure Rust implementation of Ethereum Virtual Machine (by rust-ethereum)
evm-opcodes
Ethereum opcodes and instruction reference (by crytic)
| evm | evm-opcodes | |
|---|---|---|
| 2 | 8 | |
| 1,244 | 1,337 | |
| 1.4% | 0.3% | |
| 4.8 | 0.0 | |
| about 2 months ago | 8 months ago | |
| Rust | ||
| Apache License 2.0 | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
evm
Posts with mentions or reviews of evm.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-06-15.
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Precompiled Contracts in Neon: A Case Study of ERC-20 Wrapper
The Neon EVM core program is based on the Sputnik VM, an implementation of the Ethereum Virtual Machine written in Rust. Sputnik VM includes a feature to embed third-party Rust code that can be invoked from Ethereum contracts. This embedded code is known as a “precompiled contract”.
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Might be a dumb question: Are there any ETH L2s that have a java virtual machine for transactions?
Rust
evm-opcodes
Posts with mentions or reviews of evm-opcodes.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-02-08.
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All About EVM Instructions And Opcodes:
It is very important for the smart contract developers and auditors to undertand that how solidity based smart contracts/EVM executes its fundamental tasks behind the scenes to get deep foundation of EVM. To know more about the other EVM opcodes, please visit Here and if you want to play with these opcodes in the real time playground, please visit EVM codes playground website .
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Ethernaut: 13. Gatekeeper One
Debug the transaction in Remix to get to the GAS opcode, which is what gasleft() is doing in the background. There, we will look at the remaining gas field in "Step Details". You can easily get there in several ways:
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What is Gas on Ethereum (and other blockchains)? Deep dive
Each OPCODE has a fixed gas cost. The gas cost of a specific function within the smart contract is the sum of the gas costs of all it's OPCODES. You can find a list of all OPCODES and their associated gas costs here if interested.
- Daily General Discussion - February 8, 2022
- Good morning to everyone who believes ETH 2.0 would be a game-changer
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Gas fees should be zero if a transaction didn't go through
And so, each instruction is given a metric that represents how intensive it is to execute, which is that instruction's gas cost, and users have to pay a fee based on how much gas in total a transaction consumes, which is the solution that the Ethereum devs (and the devs of other smart contract chains) have landed on, to address the above issue.
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Might be a dumb question: Are there any ETH L2s that have a java virtual machine for transactions?
The EVM has a smaller instruction set of opcodes that are very tailored to Smart Contract development compared to what the JVM offers which is a wider set required for programming almost anything.
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Smart Contracts
Everytging a smart contract can do is detailed here: https://github.com/crytic/evm-opcodes
What are some alternatives?
When comparing evm and evm-opcodes you can also consider the following projects:
besu - An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
Leesons-Modding-Instructions - The recordings of my 2 and 1/2 week journey to get a setup running for dynamic testing of Android malware
ethereumjs-monorepo - Ethereum L1 Protocol Stack and EVM in TypeScript/JavaScript
remix-ide - Documentation for Remix IDE
openzeppelin-contracts - OpenZeppelin Contracts is a library for secure smart contract development.