solidity   263

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Ethernaut Lvl 14 Gatekeeper 2 Walkthrough: How contracts initialize (and how to do bitwise…
2. Second, based on just the transaction’s input data, the new contract’s designated address is (pre)calculated. At this stage, the input state values are modified, but the new contract’s state is…
solidity  ethereum  security 
3 days ago by twleung
Ethernaut Lvl 13 Gatekeeper 1 Walkthrough: How to calculate smart contract gas consumption (and…
In this level, you estimate gas and mask your bytes to pass three different gates. The concepts behind Gate 1 is explained here in detail. In Ethereum, computations cost money. This is calculated by…
solidity  ethereum  security 
3 days ago by twleung
Ethereum Function Signature Database
Function calls in the Ethereum Virtual Machine are specified by the first four bytes of data sent with a transaction. These 4-byte signatures are defined as the first four bytes of the Keccak hash (SHA3) of the canonical representation of the function signature. Since this is a one-way operation, it is not possible to derive the human readable representation of the function from the 4-byte signature. This database is meant to allow mapping those 4-byte signatures back to their human readable versions.
eth  evm  solidity  datasource 
16 days ago by justinludwig
district0x/lein-solc: Leiningen plugin for compiling solidity contracts
Leiningen plugin for compiling solidity contracts. Contribute to district0x/lein-solc development by creating an account on GitHub.
clojurescript  solidity  leiningen 
4 weeks ago by mac
DomKM/ethereum-free-lunch
Contribute to DomKM/ethereum-free-lunch development by creating an account on GitHub.
clojurescript  ganache  ethereum  ipfs  solidity  blockchain 
4 weeks ago by mac
Untitled (http://solc-bin.ethereum.org/bin/soljson-v0.4.26-nightly.2018.9.13%2Bcommit.8b089cc8.js)
RT : Feature freeze for 0.5.0! Please try our prerelease: We are still working on improving the documentation.
Solidity  from twitter
4 weeks ago by roderik
Rattle
an Ethereum EVM binary analysis framework
ethereum  blockchain  evm  solidity  tools  assembler 
6 weeks ago by Z303
austintgriffith/token-subscription: 💰🕰️📋[EIP 1337 POC] Recurring subscriptions on the Ethereum blockchain powered by meta transactions.
💰🕰️📋[EIP 1337 POC] Recurring subscriptions on the Ethereum blockchain powered by meta transactions. - austintgriffith/token-subscription
ethereum  eip  subscriptions  solidity 
6 weeks ago by sprice
Scilla
provides a clean separation between the communication aspect of smart contracts on a blockchain, allowing for the rich interaction patterns, and a programming component, which enjoys principled semantics and is amenable to formal verification. Scilla is not meant to be a high-level programming language, and we are going to use it as a translation target for high-level languages, such as Solidity, for performing program analysis and verification, before further compilation to an executable bytecode.
formalmethods  bytecode  smartcontracts  ethereum  solidity 
7 weeks ago by Z303
Twitter
0.5.0 breaking release preliminary changelog
ethereum  Solidity  from twitter_favs
10 weeks ago by kartik

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