Function print_nannounce

devtools/mkgossip.c:171–219

}

static void print_nannounce(const struct node_id *nodeid,
			    const struct update_opts *opts,
			    const struct privkey *privkey)
{
	/* 2 bytes msg type + 64 bytes of signature */
	const size_t node_announcement_offset = 2 + 64;
	struct sha256_double hash;
	secp256k1_ecdsa_signature sig;
	char alias[33];
	struct tlv_node_ann_tlvs *tlvs;
	u8 *nannounce;

	memset(&sig, 0, sizeof(sig));
	assert(hex_str_size(sizeof(*nodeid)) >= sizeof(alias));
	hex_encode(nodeid, hex_data_size(sizeof(alias)), alias, sizeof(alias));
	tlvs = tlv_node_ann_tlvs_new(NULL);
	nannounce = towire_node_announcement(NULL, &sig, NULL, opts->timestamp,
					     nodeid, nodeid->k, (u8 *)alias,
					     opts->addresses,
					     tlvs);
	sha256_double(&hash, nannounce + node_announcement_offset,
		      tal_count(nannounce) - node_announcement_offset);
	sign_hash(privkey, &hash, &sig);

	printf("type=node_announcement\n");
	printf("   signature=%s\n", sig_notation(privkey, &hash, &sig));
	printf("   features=%s\n", tal_hex(NULL, NULL));
	printf("   timestamp=%u\n", opts->timestamp);
	printf("   node_id=%s\n", node_id_to_hexstr(NULL, nodeid));
	printf("   rgb_color=%s\n", tal_hexstr(NULL, nodeid->k, 3));
	printf("   alias=%s\n", tal_hexstr(NULL, alias, 32));
	printf("   addresses=%s\n", tal_hex(NULL, opts->addresses));

	if (tlvs->option_will_fund) {
		struct lease_rates *rates = tlvs->option_will_fund;
		printf("	TLV option_will_fund\n");
		printf("	lease_fee_basis=%d\n",
		       rates->lease_fee_basis);
		printf("	lease_fee_base_sat=%d\n",
		       rates->lease_fee_base_sat);
		printf("	funding_weight=%d\n",
		       rates->funding_weight);
		printf("	channel_fee_max_proportional_thousandths=%d\n",
		       rates->channel_fee_max_proportional_thousandths);
		printf("	channel_fee_max_base_msat=%d\n",
		       rates->channel_fee_max_base_msat);
	}
	tal_free(tlvs);
}

int main(int argc, char *argv[])
{