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Quasar RAT Disguised as an npm Package for Detecting Vulnerabilities in Ethereum Smart Contracts
Socket researchers uncover a malicious npm package posing as a tool for detecting vulnerabilities in Etherium smart contracts.
Async Control Flow without Exceptions nor Monads.
Read the blog post
TODO
npm install go-for-it
const go = require('go-for-it')
const toUpper = async string => {
if (string === 'invalid') throw Error('Invalid input')
return string.toUpperCase()
}
const errorHandler = () => { console.log('There has been an error. I\'ll handle it.') }
const print = console.log
const foo = async input => {
const [err, value] = await go(toUpper(input))
if (err) return errorHandler(err)
print(value)
}
// Works normally.
foo('gunar')
// "GUNAR"
// Business Logic Error gets handled by errorHandler().
foo('invalid')
// "There has been an error. I'll handle it."
// Runtime Exceptions DO NOT get handled by errorHandler(),
foo(555555).catch(e => {
// but can be caught.
console.log(e)
// TypeError: string.toUpperCase is not a function
})
FAQs
Error handling à la golang.
We found that go-for-it demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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