Tool for generating name private keys from backup phrase

[jcnelson]

It's possible for a user to both register a name and send a name from Onename to the same address, and end up in a situation where the same address owns two names. The browser does not know how to handle this.

What is needed is a tool to translate the user's backup phrase into their owner and payment private keys. Then, the user can use the CLI tool to transfer one of the names to a different identity address.

[jasonnovack]

Thanks @jcnelson. I also wonder if there are legitimate use cases for an address to own multiple names.

[larrysalibra]

We already have a branch in the browser that starts to do this: https://github.com/blockstack/blockstack-browser/tree/feature/migration-tool

@kantai has also done work on this in stacks-archive/blockstack-browser#537 as well

[larrysalibra]

@jasonnovack tried to answer your question here: https://forum.blockstack.org/t/transfer-username/2479/5?u=larry

[larrysalibra]

To enable the creation of such a tool, we should extract the keychain generation code from browser and move it into blockstack.js so that other apps can take advantage of it.

[jcnelson]

Addressed here: https://github.com/jcnelson/cli-blockstack

[hstove]

I also added a PR for the browser to show your public key on the keychain backup page: stacks-archive/blockstack-browser#1308