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Return number of keys removed when calling storage_kill on child trie (#8166)

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* Initial piping of returning amount of keys killed

* One more test for `None` limit

* forgot to update

* fix return value

* use version 3

* Update to return `KillOutcome`

* Update name to KillChildStorageResult
This commit is contained in:
Shawn Tabrizi
2021-02-22 11:24:12 -08:00
committed by GitHub
parent 74a1d69477
commit d25229bc89
10 changed files with 100 additions and 40 deletions
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substrate/primitives/state-machine/src/lib.rs
+9 -7
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@@ -1159,7 +1159,7 @@ mod tests {
changes_trie::disabled_state::<_, u64>(),
None,
);
assert_eq!(ext.kill_child_storage(&child_info, Some(2)), false);
assert_eq!(ext.kill_child_storage(&child_info, Some(2)), (false, 2));
}
assert_eq!(
@@ -1199,12 +1199,14 @@ mod tests {
changes_trie::disabled_state::<_, u64>(),
None,
);
assert_eq!(ext.kill_child_storage(&child_info, Some(0)), false);
assert_eq!(ext.kill_child_storage(&child_info, Some(1)), false);
assert_eq!(ext.kill_child_storage(&child_info, Some(2)), false);
assert_eq!(ext.kill_child_storage(&child_info, Some(3)), false);
assert_eq!(ext.kill_child_storage(&child_info, Some(4)), true);
assert_eq!(ext.kill_child_storage(&child_info, Some(5)), true);
assert_eq!(ext.kill_child_storage(&child_info, Some(0)), (false, 0));
assert_eq!(ext.kill_child_storage(&child_info, Some(1)), (false, 1));
assert_eq!(ext.kill_child_storage(&child_info, Some(2)), (false, 2));
assert_eq!(ext.kill_child_storage(&child_info, Some(3)), (false, 3));
assert_eq!(ext.kill_child_storage(&child_info, Some(4)), (true, 4));
// Only 4 items to remove
assert_eq!(ext.kill_child_storage(&child_info, Some(5)), (true, 4));
assert_eq!(ext.kill_child_storage(&child_info, None), (true, 4));
}
#[test]