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protocol: handle receiving a block hash we've not added yet

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moneromooo-monero 2021-01-02 18:28:09 +00:00
parent 2107337999
commit c2295f55b8
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1 changed files with 9 additions and 4 deletions
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7
src/cryptonote_protocol/cryptonote_protocol_handler.inl
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@ -2593,12 +2593,17 @@ skip:
}
int where;
const bool have_block = m_core.have_block_unlocked(arg.m_block_ids[i], &where);
if (first && !have_block)
if (first)
{
if (!have_block && !m_block_queue.requested(arg.m_block_ids[i]) && !m_block_queue.have(arg.m_block_ids[i]))
{
LOG_ERROR_CCONTEXT("First block hash is unknown, dropping connection");
drop_connection_with_score(context, 5, false);
return 1;
}
if (!have_block)
expect_unknown = true;
}
if (!first)
{
// after the first, blocks may be known or unknown, but if they are known,