Function fetch_psbt_changes

openingd/dualopend.c:1049–1081

}

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

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

	wire_sync_write(REQ_FD, take(msg));

	msg = wire_sync_read(tmpctx, REQ_FD);
#if DEVELOPER
	while (fromwire_dualopend_dev_memleak(msg)) {
		handle_dev_memleak(state, msg);
		msg = wire_sync_read(tmpctx, REQ_FD);
	}
#endif

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

	return NULL;
}

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