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Block validation

This commit is contained in:
arkpar 2016-01-29 16:38:03 +01:00
parent b997a61d4a
commit 61f39d68f8
2 changed files with 12 additions and 1 deletions
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7
sync/src/chain.rs
View File

@ -20,6 +20,7 @@ use ethcore::header::{BlockNumber, Header as BlockHeader};
use ethcore::client::{BlockChainClient, BlockStatus};
use range_collection::{RangeCollection, ToUsize, FromUsize};
use ethcore::error::*;
use ethcore::block::Block;
use io::SyncIo;
impl ToUsize for BlockNumber {
@ -669,6 +670,12 @@ impl ChainSync {
block_rlp.append_raw(body.at(0).as_raw(), 1);
block_rlp.append_raw(body.at(1).as_raw(), 1);
let h = &headers.1[i].hash;
// Perform basic block verification
if !Block::is_good(block_rlp.as_raw()) {
debug!(target: "sync", "Bad block rlp {:?} : {:?}", h, block_rlp.as_raw());
restart = true;
break;
}
match io.chain().import_block(block_rlp.out()) {
Err(ImportError::AlreadyInChain) => {
trace!(target: "sync", "Block already in chain {:?}", h);

6
sync/src/tests.rs
View File

@ -38,7 +38,11 @@ impl TestBlockChainClient {
header.number = n as BlockNumber;
let mut uncles = RlpStream::new_list(if empty {0} else {1});
if !empty {
uncles.append(&H256::from(&U256::from(n)));
let mut uncle_header = BlockHeader::new();
uncle_header.difficulty = From::from(n);
uncle_header.parent_hash = self.last_hash.read().unwrap().clone();
uncle_header.number = n as BlockNumber;
uncles.append(&uncle_header);
header.uncles_hash = uncles.as_raw().sha3();
}
let mut rlp = RlpStream::new_list(3);