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Fixed crash on foked lcl sync. (#215)

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This commit is contained in:
Ravin Perera
2021-01-08 21:25:17 +05:30
committed by GitHub
parent 12a8252598
commit d39b9a56ec
1 changed files with 6 additions and 5 deletions
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11
src/ledger.cpp
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@@ -775,17 +775,18 @@ namespace ledger
const p2p::proposal history_first_proposal = msg::fbuf::ledger::create_proposal_from_ledger_block(history_itr->second.block_buffer);
// Removing ledger blocks upto the received histroy response starting point.
const auto reverse_history_ptr = std::make_reverse_iterator(ctx.cache.find(history_itr->first));
if (reverse_history_ptr != ctx.cache.rend())
const uint64_t joining_seq_no = history_itr->first;
if (ctx.cache.count(joining_seq_no) == 1)
{
// If cache ledger and history ledger are overlapping, remove blocks from end until the
// cache end at the state where history ledger can be straightly joined.
auto it = ctx.cache.rbegin();
while (it != reverse_history_ptr)
while (it != ctx.cache.rend() && it->first >= joining_seq_no)
{
remove_ledger(it->second);
// Erase function advance the iterator.
ctx.cache.erase((--it).base());
// Erase and advance the reverse iterator.
ctx.cache.erase((--it.base()));
}
auto &[cache_seq_no, cache_lcl] = get_ledger_cache_top();