Demo of pausing offers in Kread Dapp

[Chris-Hibbert]

What is the Problem Being Solved?

We want to demonstrate that governance can pause offers in the Kread dapp to take control in emergency situations.

Description of the Design

Add a governance wrapper around the Kread app (/~https://github.com/Kryha/KREAd/tree/develop/ ). At this point, it doesn't appear that they need any governed params beyond the electorate.

Security Considerations

The goal is assurance that the contract is governable.

Scaling Considerations

Not an issue.

Test Plan

A test that shows that governance can (selectively) suppress exercise of invitations.

Upgrade Considerations

use upgradable governance. (#5200)

[dckc]

... governance can pause offers ...

In particular, governance consisting of one or more addresses chosen by Kryha (based on discussion with @ivanlei who talked with Kryha about this a few weeks back)

Much like oracle operators or EC members, the addresses go into the proposal to be confirmed by BLD stakers.

[turadg]

In progress at Kryha/KREAd#3

[turadg]

Demoed using steps in /~https://github.com/Agoric/agoric-sdk/pull/8361/files#diff-e9df3b3edff5b92259fe52e6ab00c94752e56fe975980355341a4acd083a8730