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Add append api and use it to deposit events (#5795)

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* use append api to deposit events

* use optimized append

* one more optimization

* fix bug

* fix issues

* address review
This commit is contained in:
Nikolay Volf
2020-04-27 19:06:59 +03:00
committed by GitHub
parent 9e4901f3d5
commit 33d00692d8
8 changed files with 123 additions and 13 deletions
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substrate/primitives/state-machine/src/basic.rs
+10
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@@ -257,6 +257,16 @@ impl Externalities for BasicExternalities {
}
}
fn storage_append(
&mut self,
key: Vec<u8>,
value: Vec<u8>,
) {
let previous = self.storage(&key).unwrap_or_default();
let new = crate::ext::append_to_storage(previous, value).expect("Failed to append to storage");
self.place_storage(key.clone(), Some(new));
}
fn chain_id(&self) -> u64 { 42 }
fn storage_root(&mut self) -> Vec<u8> {