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#include <assert.h>
#include <bitcoin/chainparams.h>
#include <bitcoin/privkey.h>
#include <bitcoin/pubkey.h>
#include <common/node_id.h>
#include <common/private_channel_announcement.h>
#include <wire/peer_wiregen.h>
const u8 *private_channel_announcement(const tal_t *ctx,
const struct short_channel_id *scid,
const struct node_id *local_node_id,
const struct node_id *remote_node_id,
const u8 *features)
{
struct pubkey dummy_pubkey;
const struct node_id *node[2];
struct secret not_a_secret;
/* Make an all-zero sig. */
static const u8 zeros[64];
size_t zlen = sizeof(zeros);
const u8 *zerop = zeros;
secp256k1_ecdsa_signature zerosig;
fromwire_secp256k1_ecdsa_signature(&zerop, &zlen, &zerosig);
assert(zerop != NULL);
memset(&not_a_secret, 1, sizeof(not_a_secret));
if (!pubkey_from_secret(&not_a_secret, &dummy_pubkey))
abort();
/* node ids are in ascending order. */
if (node_id_cmp(remote_node_id, local_node_id) > 0) {
node[0] = local_node_id;
node[1] = remote_node_id;
} else {
node[0] = remote_node_id;
node[1] = local_node_id;
}
return towire_channel_announcement(ctx,
&zerosig, &zerosig,
&zerosig, &zerosig,
features,
&chainparams->genesis_blockhash,
scid,
node[0],
node[1],
&dummy_pubkey,
&dummy_pubkey);
}