Function fetch_psbt_changes

openingd/dualopend.c:1507–1538

}

static bool
fetch_psbt_changes(struct state *state,
		   struct tx_state *tx_state,
		   const struct wally_psbt *psbt,
		   struct wally_psbt **updated_psbt)
{
	u8 *msg;
	char *err;

	/* Go ask lightningd what other changes we've got */
	msg = towire_dualopend_psbt_changed(NULL, &state->channel_id,
					    state->require_confirmed_inputs[REMOTE],
					    tx_state->funding_serial,
					    psbt, state->channel_type);

	wire_sync_write(REQ_FD, take(msg));

	msg = wire_sync_read(tmpctx, REQ_FD);
	while (state->developer && fromwire_dualopend_dev_memleak(msg)) {
		handle_dev_memleak(state, msg);
		msg = wire_sync_read(tmpctx, REQ_FD);
	}

	if (fromwire_dualopend_fail(msg, msg, &err)) {
		open_abort(state, "%s", err);
	} else if (fromwire_dualopend_psbt_updated(state, msg, updated_psbt)) {
		return true;
	} else
		master_badmsg(fromwire_peektype(msg), msg);

	return false;
}

static bool send_next(struct state *state,
		      struct tx_state *tx_state,