Slither & Echidna + Remappings
While testing a project using hardhat and Echidna I was able to run all tests in the project with echidna-test . but was not able to run tests in a specific contract that imported...
Category: Programming
UnsafeMath for Solidity 0.8.0+
UPDATE: Check out the @0xdoublesharp/unsafe-math module available on NPM for an easy to use, prepackaged, and tested version of this library! UnsafeMath is a Solidity library used to perform unchecked, or “unsafe”, math operations....
NFT – Mint Random Token ID
The perceived value of many NFTs is based on that item’s rarity making it ideal to mint them fairly. Rarity snipers and bad actors on a team can scoop up rare items from a...
Provable Randomness with VDF
A Verifiable Delay Function (VDF) is a linearly computed function that takes a relatively long time to calculate, however the resulting proof can be verified to be the result of this computation in a...
Rust: JSON stringify and parse in Node.js
I’m learning Rust for a project to build native modules for use with Node.js and it took me a bit of time to figure out how to parse and stringify JSON using serde_json and...
Syscoin + ZMQ + Node.js = Realtime Blockchain Updates!
Realtime Updates from the Syscoin Blockchain You can use the ZMQ topic message queues in Syscoin to receive realtime updates for your application. Using in conjunction with syscoin-core to blockchain-enable your applications in no...
