The `Announcer` logic was subtly different to the fetching logic, where the
preferred seeds need to be announced to *and* the replication factor had to be
reached.
This patch relaxes that constraint, and allows it to hit either targets before
exiting.
This also surfaced an issue with the with the `Progress` calculation, where
calculating the `unsynced` used the `synced` value to subtract. However, this
was not required because `to_sync` is mutated, so the value is simply
`to_sync.len()`. A test case was added to ensure this is correct by checking
that invariant that the total between synced and unsynced nodes always matches
the total of synced and unsynced progress.
While running `cargo-semver-checks`, there was an issue that was surfaced
regarding `serde(into)`, `serde(try_from)` and `schemars(transparent)` being
used, and they are incompatible.
This appeared to be a semver issue, on the side of `schemars`, since the issue
would only appear when adding `radicle` as a fresh dependency. The intuition for
this is that once `schemars` was updated locally, the same error appeared when
attempting to build the `radicle` crate.
To avoid this, `schemars` provides a `!` operator for the macro[^0]:
> You can also “unset” serde attributes by including them with a ! prefix in a
> schemars attribute, which will make schemars ignore the corresponding serde
> attribute item
[^0]: https://docs.rs/schemars_derive/latest/schemars_derive/derive.JsonSchema.html#attributes
Fintan Halpenny
Lorenz Leutgeb