Function rbf_got_offer

lightningd/dual_open_control.c:1803–1860

}

static void rbf_got_offer(struct subd *dualopend, const u8 *msg)
{
	/* We expect the channel to still exist?! */
	struct channel *channel;
	struct rbf_channel_payload *payload;

	channel = dualopend->channel;

	payload = tal(dualopend, struct rbf_channel_payload);
	payload->dualopend = dualopend;
	payload->channel = channel;

	if (!fromwire_dualopend_got_rbf_offer(msg,
					      &payload->channel_id,
					      &payload->their_funding,
					      &payload->funding_feerate_per_kw,
					      &payload->locktime)) {
		channel_internal_error(channel,
				       "Bad WIRE_DUALOPEND_GOT_RBF_OFFER: %s",
				       tal_hex(msg, msg));
		return;
	}

	/* There's currently another attempt in progress? */
	if (channel->open_attempt) {
		log_debug(channel->log,
			  "RBF attempted while previous attempt"
			  " is still in progress");

		subd_send_msg(dualopend,
			      take(towire_dualopend_fail(NULL,
					"Error. Already negotiation"
					" in progress")));
		return;
	}

	assert(channel_id_eq(&channel->cid, &payload->channel_id));
	/* Fill in general channel info from channel */
	payload->peer_id = channel->peer->id;
	payload->feerate_our_max = feerate_max(dualopend->ld, NULL);
	payload->feerate_our_min = feerate_min(dualopend->ld, NULL);

	/* Set our contributions to empty, in case there is no plugin */
	payload->our_funding = AMOUNT_SAT(0);
	payload->psbt = NULL;

	/* No error message known (yet) */
	payload->err_msg = NULL;

	payload->channel_max = chainparams->max_funding;
	if (feature_negotiated(dualopend->ld->our_features,
			       channel->peer->their_features,
			       OPT_LARGE_CHANNELS))
		payload->channel_max = AMOUNT_SAT(UINT_MAX);

	tal_add_destructor2(dualopend, rbf_channel_remove_dualopend, payload);
	plugin_hook_call_rbf_channel(dualopend->ld, NULL, payload);
}