grassrootseconomics/openethereum
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Reset blockchain properly (#10669)

Browse Source 
* delete BlockDetails from COL_EXTRA

* better proofs

* added tests

* PR suggestions
This commit is contained in:
Seun LanLege
2019-05-21 12:52:49 +01:00
committed by Andronik Ordian
parent 10c121a299
commit 21a27fee9f
3 changed files with 74 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
ethcore/blockchain/src/blockchain.rs
View File

@@ -668,21 +668,6 @@ impl BlockChain {
self.db.key_value().read_with_cache(db::COL_EXTRA, &self.block_details, parent).map_or(false, |d| d.children.contains(hash))
}
/// fetches the list of blocks from best block to n, and n's parent hash
/// where n > 0
pub fn block_headers_from_best_block(&self, n: u32) -> Option<(Vec<encoded::Header>, H256)> {
let mut blocks = Vec::with_capacity(n as usize);
let mut hash = self.best_block_hash();
for _ in 0..n {
let current_hash = self.block_header_data(&hash)?;
hash = current_hash.parent_hash();
blocks.push(current_hash);
}
Some((blocks, hash))
}
/// Returns a tree route between `from` and `to`, which is a tuple of:
///
/// - a vector of hashes of all blocks, ordered from `from` to `to`.
@@ -869,6 +854,14 @@ impl BlockChain {
}
}
/// clears all caches for testing purposes
pub fn clear_cache(&self) {
self.block_bodies.write().clear();
self.block_details.write().clear();
self.block_hashes.write().clear();
self.block_headers.write().clear();
}
/// Update the best ancient block to the given hash, after checking that
/// it's directly linked to the currently known best ancient block
pub fn update_best_ancient_block(&self, hash: &H256) {