| 1 | -- oxygenhub#70: tokens from device sign-in expire, and each use renews |
| 2 | -- them (renew_ms: the lifetime a use extends the token to); a device code |
| 3 | -- keeps the address that asked for it, shown when it is approved. |
| 4 | tokens ADD COLUMN renew_ms INTEGER; |
| 5 | device_codes ADD COLUMN requester TEXT NOT NULL DEFAULT ''; |