BennyM

            var keyStore = ...init as usual...;
            var engine = new Web3ProviderEngine();
            var opts = {
                getAccounts: (cb) => {
                    let addresses = keyStore.getAddresses();
                    let prefixedAddresses = addresses.map(add => {
                        return '0x' + add;
                    });
                    cb(null, prefixedAddresses);
                },

rondy

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

---

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

ross-p

/**
 * Ethereum Account Scanner
 *
 * To run this, you need your own geth node, accepting RPC
 * connections on a port you can access.
 *
 * Install pre-requisites:
 *     sudo npm install -g web3
 *
 * Usage: