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authormoneromooo-monero <moneromooo-monero@users.noreply.github.com>2019-10-10 11:46:39 +0000
committermoneromooo-monero <moneromooo-monero@users.noreply.github.com>2019-10-16 09:00:30 +0000
commit7fcd0b55ea9736d5783516177b1d6bcb5b0907c2 (patch)
treeffd17bd2fb073037609263bdbd991f9847e265f3 /src
parentMerge pull request #5915 (diff)
downloadmonero-7fcd0b55ea9736d5783516177b1d6bcb5b0907c2.tar.xz
blockchain: initialize pow to ff..ff
as a safety to reject if it somehow does not get initialised
Diffstat (limited to 'src')
-rw-r--r--src/cryptonote_core/blockchain.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index b672ccd6e..eb75db0aa 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -1694,7 +1694,8 @@ bool Blockchain::handle_alternative_block(const block& b, const crypto::hash& id
// Check the block's hash against the difficulty target for its alt chain
difficulty_type current_diff = get_next_difficulty_for_alternative_chain(alt_chain, bei);
CHECK_AND_ASSERT_MES(current_diff, false, "!!!!!!! DIFFICULTY OVERHEAD !!!!!!!");
- crypto::hash proof_of_work = null_hash;
+ crypto::hash proof_of_work;
+ memset(proof_of_work.data, 0xff, sizeof(proof_of_work.data));
if (b.major_version >= RX_BLOCK_VERSION)
{
crypto::hash seedhash = null_hash;
@@ -3700,7 +3701,8 @@ leave:
TIME_MEASURE_START(longhash_calculating_time);
- crypto::hash proof_of_work = null_hash;
+ crypto::hash proof_of_work;
+ memset(proof_of_work.data, 0xff, sizeof(proof_of_work.data));
// Formerly the code below contained an if loop with the following condition
// !m_checkpoints.is_in_checkpoint_zone(get_current_blockchain_height())