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Use storage::append in the implementation of the storage types (#5889)

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* Start improving `storage_append`

* Fix some stuff

* Fix compilation

* Update docs and add new test

* More tests

* Test kill + append
This commit is contained in:
Bastian Köcher
2020-05-05 15:09:07 +02:00
committed by GitHub
parent be0c7b9340
commit bc9707b4c5
19 changed files with 252 additions and 362 deletions
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substrate/frame/system/src/lib.rs
+3 -9
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@@ -116,7 +116,7 @@ use sp_runtime::{
use sp_core::{ChangesTrieConfiguration, storage::well_known_keys};
use frame_support::{
decl_module, decl_event, decl_storage, decl_error, Parameter, ensure, debug,
storage::{self, generator::StorageValue},
storage,
traits::{
Contains, Get, ModuleToIndex, OnNewAccount, OnKilledAccount, IsDeadAccount, Happened,
StoredMap, EnsureOrigin,
@@ -852,16 +852,10 @@ impl<T: Trait> Module<T> {
old_event_count
};
// We use append api here to avoid bringing all events in the runtime when we push a
// new one in the list.
let encoded_event = event.encode();
sp_io::storage::append(&Events::<T>::storage_value_final_key()[..], encoded_event);
Events::<T>::append(&event);
for topic in topics {
// The same applies here.
if <EventTopics<T>>::append(topic, &[(block_number, event_idx)]).is_err() {
return;
}
<EventTopics<T>>::append(topic, &(block_number, event_idx));
}
}