[native_rust_library] implement method to retrieve latest backup info
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Authored by kamil on Thu, Oct 31, 5:00 AM.

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varun
bartek

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rCOMM532c51fae374: [native_rust_library] implement method to retrieve latest backup info

Summary

ENG-6145.

This method will be used to get both backupID and userID.
There is some code duplication but later in the stack other function like retrieve_latest_siwe_backup_data or download_latest_backup_id are deprecated in favour of download_latest_backup_info (I had to somehow split this into diffs to make it easier for a review).
This function will be the main interface to get the backup latest info for both password and wallet users.

Depend on D13836

Test Plan

Tested in D13839

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rCOMM Comm

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backup-work-4

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Event Timeline

kamil created this revision.Thu, Oct 31, 5:00 AM

kamil held this revision as a draft.

Herald added subscribers: tomek, ashoat. · View Herald TranscriptThu, Oct 31, 5:00 AM

kamil edited the summary of this revision. (Show Details)Thu, Oct 31, 5:01 AM

build

kamil added a parent revision: D13836: [backup-client] refactor `SIWEBackupData` type.Thu, Oct 31, 5:08 AM

kamil added a child revision: D13838: [CommCoreModule] expose method to retrieve latest backup info.Thu, Oct 31, 5:10 AM

Harbormaster failed remote builds in B32466: Diff 45499!Thu, Oct 31, 5:17 AM

Harbormaster completed remote builds in B32467: Diff 45500.Thu, Oct 31, 5:36 AM

kamil published this revision for review.Thu, Oct 31, 8:47 AM

kamil edited the test plan for this revision. (Show Details)

kamil mentioned this in D13808: [backup-service][backup-client] rename `username` -> `user_identifier`.Sun, Nov 3, 11:25 PM

bartek accepted this revision.Mon, Nov 4, 11:28 PM

bartek added inline comments.

native/native_rust_library/src/backup.rs

300–314 ↗

(On Diff #45500)

Nit: alternatively to reduce nesting, but not sure if it's more readable

let siwe_backup_data_result = siwe_backup_msg
  .map(|msg_value| get_siwe_backup_data_from_msg(
      backup_id.clone(),
      siwe_backup_msg_value,
  ))
  .transpose(); // this should now be Result<Option<T>>

let siwe_backup_data = match siwe_backup_data_result {
  Ok(siwe_backup_data) => siwe_backup_data, // should be Option<T>
  Err(err) => {
    string_callback(err, promise_id, "".to_string());
    return;
  }
};