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cryptonote_protocol: drop peers we can't download from when syncing

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Any peer that's behind us while syncing is useless to us (though
not to them). This ensures that we don't get our peer slots filled
with peers that we can't use. Once we've synced, we can connect
to them and they can then sync off us if they want.
This commit is contained in:
moneromooo-monero 2019-07-04 21:44:43 +00:00
parent ab361df2cd
commit a96c1a46d4
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1 changed files with 5 additions and 0 deletions
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src/cryptonote_protocol/cryptonote_protocol_handler.inl
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@ -341,6 +341,11 @@ namespace cryptonote
if(m_core.have_block(hshd.top_id)) if(m_core.have_block(hshd.top_id))
{ {
if (target > hshd.current_height)
{
MINFO(context << "peer is not ahead of us and we're syncing, disconnecting");
return false;
}
context.m_state = cryptonote_connection_context::state_normal; context.m_state = cryptonote_connection_context::state_normal;
if(is_inital && target == m_core.get_current_blockchain_height()) if(is_inital && target == m_core.get_current_blockchain_height())
on_connection_synchronized(); on_connection_synchronized();