grassrootseconomics/openethereum
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use snappy compression on buffers

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This commit is contained in:
Robert Habermeier 2016-06-13 18:15:07 +02:00
parent 75013003f7
commit 16e58958c9
1 changed files with 3 additions and 2 deletions
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5
ethcore/src/snapshot/mod.rs
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@ -34,6 +34,7 @@ use util::{Bytes, Hashable, HashDB, TrieDB};
use util::hash::{FixedHash, H256}; use util::hash::{FixedHash, H256};
use util::numbers::U256; use util::numbers::U256;
use util::rlp::{DecoderError, Rlp, RlpStream, Stream, SHA3_NULL_RLP, UntrustedRlp, View}; use util::rlp::{DecoderError, Rlp, RlpStream, Stream, SHA3_NULL_RLP, UntrustedRlp, View};
use util::snappy;
/// Used to build block chunks. /// Used to build block chunks.
struct BlockChunker<'a> { struct BlockChunker<'a> {
client: &'a BlockChainClient, client: &'a BlockChainClient,
@ -92,7 +93,7 @@ impl<'a> BlockChunker<'a> {
rlp_stream.append(&pair); rlp_stream.append(&pair);
} }
let raw_data = rlp_stream.out(); let raw_data = snappy::compress(&rlp_stream.out());
let hash = raw_data.sha3(); let hash = raw_data.sha3();
trace!(target: "snapshot", "writing block chunk. hash: {}, size: {} bytes", hash.hex(), raw_data.len()); trace!(target: "snapshot", "writing block chunk. hash: {}, size: {} bytes", hash.hex(), raw_data.len());
@ -169,7 +170,7 @@ impl<'a> StateChunker<'a> {
let bytes = { let bytes = {
let mut stream = RlpStream::new(); let mut stream = RlpStream::new();
stream.append(&&self.rlps[..]); stream.append(&&self.rlps[..]);
stream.out() snappy::compress(&stream.out())
}; };
self.rlps.clear(); self.rlps.clear();