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AuxStore on light clients (#1251)

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* implement AuxStore on light clients

* Update core/client/db/src/light.rs

Co-Authored-By: svyatonik <svyatonik@gmail.com>

* Update core/client/db/src/light.rs

Co-Authored-By: svyatonik <svyatonik@gmail.com>

* Update core/client/db/src/light.rs

Co-Authored-By: svyatonik <svyatonik@gmail.com>
This commit is contained in:
Svyatoslav Nikolsky
2018-12-13 19:01:57 +03:00
committed by Robert Habermeier
parent c61d03a86f
commit 81f90ed0a4
4 changed files with 99 additions and 18 deletions
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substrate/core/client/src/in_mem.rs
+25 -9
View File
@@ -338,6 +338,29 @@ impl<Block: BlockT> blockchain::Backend<Block> for Blockchain<Block> {
}
}
impl<Block: BlockT> backend::AuxStore for Blockchain<Block> {
fn insert_aux<
'a,
'b: 'a,
'c: 'a,
I: IntoIterator<Item=&'a(&'c [u8], &'c [u8])>,
D: IntoIterator<Item=&'a &'b [u8]>,
>(&self, insert: I, delete: D) -> error::Result<()> {
let mut storage = self.storage.write();
for (k, v) in insert {
storage.aux.insert(k.to_vec(), v.to_vec());
}
for k in delete {
storage.aux.remove(*k);
}
Ok(())
}
fn get_aux(&self, key: &[u8]) -> error::Result<Option<Vec<u8>>> {
Ok(self.storage.read().aux.get(key).cloned())
}
}
impl<Block: BlockT> light::blockchain::Storage<Block> for Blockchain<Block>
where
Block::Hash: From<[u8; 32]>,
@@ -511,18 +534,11 @@ where
I: IntoIterator<Item=&'a(&'c [u8], &'c [u8])>,
D: IntoIterator<Item=&'a &'b [u8]>,
>(&self, insert: I, delete: D) -> error::Result<()> {
let mut storage = self.blockchain.storage.write();
for (k, v) in insert {
storage.aux.insert(k.to_vec(), v.to_vec());
}
for k in delete {
storage.aux.remove(*k);
}
Ok(())
self.blockchain.insert_aux(insert, delete)
}
fn get_aux(&self, key: &[u8]) -> error::Result<Option<Vec<u8>>> {
Ok(self.blockchain.storage.read().aux.get(key).cloned())
self.blockchain.get_aux(key)
}
}