Description

Please include a summary of the change.

Type of change

I have selected the correct base branch.
I have performed a self-review of my own code.
I have commented my code, particularly in hard-to-understand areas.
I have made corresponding changes to the documentation.
My changes generate no warnings.
I have updated or added types for all modules I've changed
Any dependent changes have been merged and published in downstream modules.
I ran npm run test in the root folder with success and extended the tests if necessary.
I ran npm run build in the root folder and tested it in the browser and with node.
I ran npm run dtslint in the root folder and tested that all my types are correct
I have tested my code on an ethereum test network.