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Fix incorrect error message generated when syncing with peer that has no blocks

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This commit is contained in:
Eric Frias 2015-09-11 10:09:42 -04:00
parent 8e9bd890a8
commit f9a27059e5
1 changed files with 58 additions and 26 deletions
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84
libraries/net/node.cpp
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@ -2144,14 +2144,22 @@ namespace graphene { namespace net { namespace detail {
const fetch_blockchain_item_ids_message& fetch_blockchain_item_ids_message_received)
{
VERIFY_CORRECT_THREAD();
item_id peers_last_item_seen;
if( !fetch_blockchain_item_ids_message_received.blockchain_synopsis.empty() )
peers_last_item_seen = item_id( fetch_blockchain_item_ids_message_received.item_type,
fetch_blockchain_item_ids_message_received.blockchain_synopsis.back() );
dlog( "sync: received a request for item ids after ${last_item_seen} from peer ${peer_endpoint} (full request: ${synopsis})",
( "last_item_seen", peers_last_item_seen )
( "peer_endpoint", originating_peer->get_remote_endpoint() )
( "synopsis", fetch_blockchain_item_ids_message_received.blockchain_synopsis ) );
item_id peers_last_item_seen = item_id(fetch_blockchain_item_ids_message_received.item_type, item_hash_t());
if (fetch_blockchain_item_ids_message_received.blockchain_synopsis.empty())
{
dlog("sync: received a request for item ids starting at the beginning of the chain from peer ${peer_endpoint} (full request: ${synopsis})",
("peer_endpoint", originating_peer->get_remote_endpoint())
("synopsis", fetch_blockchain_item_ids_message_received.blockchain_synopsis));
}
else
{
item_hash_t peers_last_item_hash_seen = fetch_blockchain_item_ids_message_received.blockchain_synopsis.back();
dlog("sync: received a request for item ids after ${last_item_seen} from peer ${peer_endpoint} (full request: ${synopsis})",
("last_item_seen", peers_last_item_hash_seen)
("peer_endpoint", originating_peer->get_remote_endpoint())
("synopsis", fetch_blockchain_item_ids_message_received.blockchain_synopsis));
peers_last_item_seen.item_hash = peers_last_item_hash_seen;
}
blockchain_item_ids_inventory_message reply_message;
reply_message.item_hashes_available = _delegate->get_block_ids(fetch_blockchain_item_ids_message_received.blockchain_synopsis,
@ -2194,7 +2202,6 @@ namespace graphene { namespace net { namespace detail {
}
else
{
//dlog( "sync: peer is out of sync, sending peer ${count} items ids: ${item_ids}", ("count", reply_message.item_hashes_available.size() )("item_ids", reply_message.item_hashes_available ) );
dlog("sync: peer is out of sync, sending peer ${count} items ids: first: ${first_item_id}, last: ${last_item_id}",
("count", reply_message.item_hashes_available.size())
("first_item_id", reply_message.item_hashes_available.front())
@ -2348,24 +2355,49 @@ namespace graphene { namespace net { namespace detail {
{
const std::vector<item_hash_t>& synopsis_sent_in_request = originating_peer->item_ids_requested_from_peer->get<0>();
const item_hash_t& first_item_hash = blockchain_item_ids_inventory_message_received.item_hashes_available.front();
if (boost::range::find(synopsis_sent_in_request, first_item_hash) == synopsis_sent_in_request.end())
if (synopsis_sent_in_request.empty())
{
wlog("Invalid response from peer ${peer_endpoint}. We requested a list of sync blocks based on the synopsis ${synopsis}, but they "
"provided a list of blocks starting with ${first_block}",
("peer_endpoint", originating_peer->get_remote_endpoint())
("synopsis", synopsis_sent_in_request)
("first_block", first_item_hash));
// TODO: enable these once committed
//fc::exception error_for_peer(FC_LOG_MESSAGE(error, "You gave an invalid response for my request for sync blocks. I asked for blocks following something in "
// "${synopsis}, but you returned a list of blocks starting with ${first_block} which wasn't one of your choices",
// ("synopsis", synopsis_sent_in_request)
// ("first_block", first_item_hash)));
//disconnect_from_peer(originating_peer,
// "You gave an invalid response to my request for sync blocks",
// true, error_for_peer);
disconnect_from_peer(originating_peer,
"You gave an invalid response to my request for sync blocks");
return;
// if we sent an empty synopsis, we were asking for all blocks, so the first block should be block 1
if (_delegate->get_block_number(first_item_hash) != 1)
{
wlog("Invalid response from peer ${peer_endpoint}. We requested a list of sync blocks starting from the beginning of the chain, "
"but they provided a list of blocks starting with ${first_block}",
("peer_endpoint", originating_peer->get_remote_endpoint())
("first_block", first_item_hash));
// TODO: enable these once committed
//fc::exception error_for_peer(FC_LOG_MESSAGE(error, "You gave an invalid response for my request for sync blocks. I asked for blocks starting from the beginning of the chain, "
// "but you returned a list of blocks starting with ${first_block}",
// ("first_block", first_item_hash)));
//disconnect_from_peer(originating_peer,
// "You gave an invalid response to my request for sync blocks",
// true, error_for_peer);
disconnect_from_peer(originating_peer,
"You gave an invalid response to my request for sync blocks");
return;
}
}
else // synopsis was not empty, we expect a response building off one of the blocks we sent
{
if (boost::range::find(synopsis_sent_in_request, first_item_hash) == synopsis_sent_in_request.end())
{
wlog("Invalid response from peer ${peer_endpoint}. We requested a list of sync blocks based on the synopsis ${synopsis}, but they "
"provided a list of blocks starting with ${first_block}",
("peer_endpoint", originating_peer->get_remote_endpoint())
("synopsis", synopsis_sent_in_request)
("first_block", first_item_hash));
// TODO: enable these once committed
//fc::exception error_for_peer(FC_LOG_MESSAGE(error, "You gave an invalid response for my request for sync blocks. I asked for blocks following something in "
// "${synopsis}, but you returned a list of blocks starting with ${first_block} which wasn't one of your choices",
// ("synopsis", synopsis_sent_in_request)
// ("first_block", first_item_hash)));
//disconnect_from_peer(originating_peer,
// "You gave an invalid response to my request for sync blocks",
// true, error_for_peer);
disconnect_from_peer(originating_peer,
"You gave an invalid response to my request for sync blocks");
return;
}
}
}
originating_peer->item_ids_requested_from_peer.reset();