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Add storage_append to runtime #92

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bkchr merged 5 commits into from
May 8, 2020
Merged

Add storage_append to runtime #92

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363162f
Initial commit
cecton May 7, 2020
5daea6b
Add storage_append to runtime
cecton May 6, 2020
07083c8
Use sp_std::vec!
cecton May 8, 2020
62b49d6
Reduce # of allocations
cecton May 8, 2020
dfb50c7
Update runtime/src/validate_block/implementation.rs
bkchr May 8, 2020
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Update runtime/src/validate_block/implementation.rs
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@bkchr
bkchr authored May 8, 2020
commit dfb50c72bf657e4648cb7ffadf0b356ee81159f4
13 changes: 5 additions & 8 deletions runtime/src/validate_block/implementation.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -238,14 +238,11 @@ impl<B: BlockT> Storage for WitnessStorage<B> {
let value_vec = sp_std::vec![EncodeOpaqueValue(value)];
let current_value = self.overlay.entry(key.to_vec()).or_default();

if let Some(item) = sp_std::mem::take(current_value) {
*current_value = Some(match Vec::<EncodeOpaqueValue>::append_or_new(item, &value_vec) {
Ok(item) => item,
Err(_) => value_vec.encode(),
});
} else {
*current_value = Some(value_vec.encode());
}
let item = current_value.take().unwrap_or_default();
*current_value = Some(match Vec::<EncodeOpaqueValue>::append_or_new(item, &value_vec) {
Ok(item) => item,
Err(_) => value_vec.encode(),
});
}
}

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