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Use changes tries in query_storage RPC (#1082)

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* use changes tries in query_storage RPC

* let + match + return + call -> match
This commit is contained in:
Svyatoslav Nikolsky
2019-01-17 12:08:50 +03:00
committed by Bastian Köcher
parent eb000fb1ae
commit da1fb3f273
14 changed files with 443 additions and 190 deletions
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substrate/core/client/db/src/lib.rs
+18 -1
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@@ -430,7 +430,7 @@ impl<Block: BlockT> DbChangesTrieStorage<Block> {
}
/// Prune obsolete changes tries.
pub fn prune(&self, config: Option<ChangesTrieConfiguration>, tx: &mut DBTransaction, block_hash: Block::Hash, block_num: NumberFor<Block>) {
pub fn prune(&self, config: Option<ChangesTrieConfiguration>, tx: &mut DBTransaction, block_hash: Block::Hash, block_num: NumberFor<Block>) {
// never prune on archive nodes
let min_blocks_to_keep = match self.min_blocks_to_keep {
Some(min_blocks_to_keep) => min_blocks_to_keep,
@@ -456,6 +456,23 @@ impl<Block: BlockT> DbChangesTrieStorage<Block> {
}
}
impl<Block: BlockT> client::backend::PrunableStateChangesTrieStorage<Blake2Hasher> for DbChangesTrieStorage<Block> {
fn oldest_changes_trie_block(
&self,
config: &ChangesTrieConfiguration,
best_finalized_block: u64
) -> u64 {
match self.min_blocks_to_keep {
Some(min_blocks_to_keep) => state_machine::oldest_non_pruned_changes_trie(
config,
min_blocks_to_keep,
best_finalized_block,
),
None => 1,
}
}
}
impl<Block: BlockT> state_machine::ChangesTrieRootsStorage<Blake2Hasher> for DbChangesTrieStorage<Block> {
fn root(&self, anchor: &state_machine::ChangesTrieAnchorBlockId<H256>, block: u64) -> Result<Option<H256>, String> {
// check API requirement