Merge pull request #4794

e198b06e Fix: out_of_hashchain_bounds_error in refresh (Hasan Pekdemir)

src/wallet/wallet2.cpp

@@ -2731,7 +2731,7 @@ void wallet2::refresh(bool trusted_daemon, uint64_t start_height, uint64_t & blo
           short_chain_history.clear();
           get_short_chain_history(short_chain_history);
           fast_refresh(stop_height, blocks_start_height, short_chain_history, true);
-          THROW_WALLET_EXCEPTION_IF(m_blockchain.size() != stop_height, error::wallet_internal_error, "Unexpected hashchain size");
+          THROW_WALLET_EXCEPTION_IF((m_blockchain.size() == stop_height || (m_blockchain.size() == 1 && stop_height == 0) ? false : true), error::wallet_internal_error, "Unexpected hashchain size");
           THROW_WALLET_EXCEPTION_IF(m_blockchain.offset() != 0, error::wallet_internal_error, "Unexpected hashchain offset");
           for (const auto &h: tip)
             m_blockchain.push_back(h);