mons2.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
ChannelManager_block_connected(&cm1, &header_1, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 2);
mons2.ConnectBlock(&channel_open_header, 1, txdata, broadcast, fee_est);
ChannelManager_block_connected(&cm1, &header_1, LDKCVec_C2Tuple_usizeTransactionZZ { .data = NULL, .datalen = 0 }, 2);