kumi/danicoin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

blockchain: fix crash checking pre-validated txids

Browse source
This commit is contained in:
moneromooo-monero 2017-09-20 10:46:13 +01:00
parent 373ce4ab09
commit 19fab6204a
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/cryptonote_core/blockchain.cpp
View file

@ -3249,7 +3249,7 @@ leave:
// XXX old code adds miner tx here
int tx_index = 0;
size_t tx_index = 0;
// Iterate over the block's transaction hashes, grabbing each
// from the tx_pool and validating them. Each is then added
// to txs. Keys spent in each are added to <keys> by the double spend check.
@ -3331,7 +3331,7 @@ leave:
{
// ND: if fast_check is enabled for blocks, there is no need to check
// the transaction inputs, but do some sanity checks anyway.
if (memcmp(&m_blocks_txs_check[tx_index++], &tx_id, sizeof(tx_id)) != 0)
if (tx_index >= m_blocks_txs_check.size() || memcmp(&m_blocks_txs_check[tx_index++], &tx_id, sizeof(tx_id)) != 0)
{
MERROR_VER("Block with id: " << id << " has at least one transaction (id: " << tx_id << ") with wrong inputs.");
//TODO: why is this done? make sure that keeping invalid blocks makes sense.