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Fix light client startup (#1130)

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* fix light client startup

* fix grumbles
This commit is contained in:
Svyatoslav Nikolsky
2018-11-19 08:58:21 +03:00
committed by GitHub
parent d149f3358a
commit 62c590ef25
3 changed files with 34 additions and 17 deletions
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substrate/core/client/db/src/lib.rs
+2 -2
View File
@@ -168,7 +168,7 @@ impl<Block: BlockT> BlockchainDb<Block> {
is_finalized: bool
) {
let mut meta = self.meta.write();
if number == Zero::zero() {
if number.is_zero() {
meta.genesis_hash = hash;
meta.finalized_hash = hash;
}
@@ -778,7 +778,7 @@ impl<Block> client::backend::Backend<Block, Blake2Hasher> for Backend<Block> whe
transaction.put(columns::HASH_LOOKUP, hash.as_ref(), &lookup_key);
if number == Zero::zero() {
if number.is_zero() {
transaction.put(columns::META, meta_keys::FINALIZED_BLOCK, &lookup_key);
transaction.put(columns::META, meta_keys::GENESIS_HASH, hash.as_ref());
}
substrate/core/client/db/src/light.rs
+21 -3
View File
@@ -121,7 +121,7 @@ impl<Block> LightStorage<Block>
) {
let mut meta = self.meta.write();
if number == Zero::zero() {
if number.is_zero() {
meta.genesis_hash = hash;
meta.finalized_hash = hash;
}
@@ -369,6 +369,11 @@ impl<Block> LightBlockchainStorage<Block> for LightStorage<Block>
transaction.put(columns::HEADER, &lookup_key, &header.encode());
transaction.put(columns::HASH_LOOKUP, hash.as_ref(), &lookup_key);
if number.is_zero() {
transaction.put(columns::META, meta_keys::FINALIZED_BLOCK, &lookup_key);
transaction.put(columns::META, meta_keys::GENESIS_HASH, hash.as_ref());
}
let finalized = match leaf_state {
NewBlockState::Final => true,
_ => false,
@@ -385,7 +390,7 @@ impl<Block> LightBlockchainStorage<Block> for LightStorage<Block>
let mut cache = self.cache.0.write();
let cache_ops = cache.transaction(&mut transaction)
.on_block_insert(
ComplexBlockId::new(*header.parent_hash(), if number == Zero::zero() { Zero::zero() } else { number - One::one() }),
ComplexBlockId::new(*header.parent_hash(), if number.is_zero() { Zero::zero() } else { number - One::one() }),
ComplexBlockId::new(hash, number),
authorities,
finalized,
@@ -429,7 +434,7 @@ impl<Block> LightBlockchainStorage<Block> for LightStorage<Block>
let mut cache = self.cache.0.write();
let cache_ops = cache.transaction(&mut transaction)
.on_block_finalize(
ComplexBlockId::new(*header.parent_hash(), if number == Zero::zero() { Zero::zero() } else { number - One::one() }),
ComplexBlockId::new(*header.parent_hash(), if number.is_zero() { Zero::zero() } else { number - One::one() }),
ComplexBlockId::new(hash, number)
)?
.into_ops();
@@ -860,4 +865,17 @@ pub(crate) mod tests {
assert_eq!(db.cache().authorities_at(BlockId::Hash(hash6_2)), Some(vec![[4u8; 32].into()]));
}
}
#[test]
fn database_is_reopened() {
let db = LightStorage::new_test();
let hash0 = insert_final_block(&db, None, || default_header(&Default::default(), 0));
assert_eq!(db.info().unwrap().best_hash, hash0);
assert_eq!(db.header(BlockId::Hash(hash0)).unwrap().unwrap().hash(), hash0);
let db = db.db;
let db = LightStorage::from_kvdb(db).unwrap();
assert_eq!(db.info().unwrap().best_hash, hash0);
assert_eq!(db.header(BlockId::Hash::<Block>(hash0)).unwrap().unwrap().hash(), hash0);
}
}