Heimdall
Web3 Cardano Token is a new way to authenticate users. A replacement for JWT in hybrid dApps.
Note
This repository is initially rewritten in Typescript from https://github.com/pyropy/web3-cardano-token. gavin-harris made a great contribution to ...
Install
npm i heimdall
# or
yarn add heimdallUsage
Client Side
import Web3Token from 'heimdall/dist/browser'
async function getWeb3Token (walletApi) {
const addresses = await walletApi.getUsedAddresses()
if (!addresses || addresses.length === 0) {
throw new Error('No wallet address')
}
return await Web3Token.sign(async (msg) => {
return await walletApi.signData(addresses[0], Buffer.from(msg).toString('hex'))
})
}Server Side
import Web3Token from 'heimdall/dist/node'
// getting token from authorization header ... for example
const token = req.headers.authorization
const { address, body } = await Web3Token.verify(token)
// now you can find that user by his address
// (better to do it case insensitive)
const user = await User.findOne({ address })
// ...