blockchain: don't try to load an empty block hash set

If the blocks aren't being linked against a binary (such as
one of the blockchain utilities), the symbol will not be
NULL, but the size will be 0. This avoids a apurious warning
about the data hash.
This commit is contained in:
moneromooo-monero 2017-03-05 19:46:01 +00:00
parent 3835903650
commit cfa2564a40
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3

View File

@ -4016,7 +4016,7 @@ void Blockchain::cancel()
static const char expected_block_hashes_hash[] = "23d8a8c73de7b2383c72a016d9a6034e69d62dd48077d1c414e064ceab6daa94";
void Blockchain::load_compiled_in_block_hashes()
{
if (m_fast_sync && get_blocks_dat_start(m_testnet) != nullptr)
if (m_fast_sync && get_blocks_dat_start(m_testnet) != nullptr && get_blocks_dat_size(m_testnet) > 0)
{
MINFO("Loading precomputed blocks (" << get_blocks_dat_size(m_testnet) << " bytes)");