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blockchain bloomfilter should be ok by now...

This commit is contained in:
debris 2016-02-12 14:03:23 +01:00
parent b73d528365
commit c9e0071fde
1 changed files with 26 additions and 11 deletions
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37
ethcore/src/blockchain.rs
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@ -542,22 +542,16 @@ impl BlockChain {
let best_details = self.block_details(&best_hash).expect("best block hash is invalid!");
let route = self.tree_route_aux((&best_details, &best_hash), (&details, &hash));
let modified_blooms;
match route.blocks.len() {
// its our parent
1 => {
batch.put_extras(&header.number(), &hash);
// update block blooms
let modified_blooms = ChainFilter::new(self, self.bloom_index_size, self.bloom_levels)
modified_blooms = ChainFilter::new(self, self.bloom_index_size, self.bloom_levels)
.add_bloom(&header.log_bloom(), header.number() as usize);
for (bloom_index, bloom) in modified_blooms.into_iter() {
let location = self.blocks_bloom_location(&bloom_index);
let mut blocks_blooms = self.blocks_blooms(&location.hash).unwrap_or_else(BlocksBlooms::new);
blocks_blooms.blooms[location.index] = bloom;
batch.put_extras(&location.hash, &blocks_blooms);
}
batch.put_extras(&header.number(), &hash)
},
// it is a fork
i if i > 1 => {
@ -567,13 +561,34 @@ impl BlockChain {
batch.put_extras(&(start_number + index as BlockNumber), hash);
}
// TODO: replace blooms from start_number to current
// get all blocks that are not part of canon chain (TODO: optimize it to one query)
let blooms: Vec<H2048> = route.blocks.iter()
.skip(route.index)
.map(|hash| self.block(hash).unwrap())
.map(|bytes| BlockView::new(&bytes).header_view().log_bloom())
.collect();
// reset blooms chain head
modified_blooms = ChainFilter::new(self, self.bloom_index_size, self.bloom_levels)
.reset_chain_head(&blooms, start_number as usize, self.best_block_number() as usize);
},
// route.blocks.len() could be 0 only if inserted block is best block,
// and this is not possible at this stage
_ => { unreachable!(); }
};
for (hash, blocks_blooms) in modified_blooms.into_iter()
.fold(HashMap::new(), | mut acc, (bloom_index, bloom) | {
{
let location = self.blocks_bloom_location(&bloom_index);
let mut blocks_blooms = acc.entry(location.hash).or_insert_with(BlocksBlooms::new);
blocks_blooms.blooms[location.index] = bloom;
}
acc
}) {
batch.put_extras(&hash, &blocks_blooms);
}
// this is new best block
batch.put(b"best", &hash).unwrap();