diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index eb61098c2..31261bead 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -2307,11 +2307,10 @@ void wallet2::pull_and_parse_next_blocks(uint64_t start_height, uint64_t &blocks THROW_WALLET_EXCEPTION_IF(prev_blocks.size() != prev_parsed_blocks.size(), error::wallet_internal_error, "size mismatch"); // prepend the last 3 blocks, should be enough to guard against a block or two's reorg - std::vector::const_reverse_iterator i = prev_parsed_blocks.rbegin(); - for (size_t n = 0; n < std::min((size_t)3, prev_parsed_blocks.size()); ++n) + auto s = std::next(prev_parsed_blocks.rbegin(), std::min((size_t)3, prev_parsed_blocks.size())).base(); + for (; s != prev_parsed_blocks.end(); ++s) { - short_chain_history.push_front(i->hash); - ++i; + short_chain_history.push_front(s->hash); } // pull the new blocks