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gossip: extract function to derive seedname.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-05-10 12:32:57 +09:30
parent 0d23f4fb4a
commit de063edb54
1 changed files with 11 additions and 5 deletions
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16
gossipd/gossip.c
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@ -1948,19 +1948,25 @@ static struct io_plan *conn_proxy_init(struct io_conn *conn,
return io_tor_connect(conn, reach->daemon->proxyaddr, host, port, reach); return io_tor_connect(conn, reach->daemon->proxyaddr, host, port, reach);
} }
static struct addrhint * static const char *seedname(const tal_t *ctx, const struct pubkey *id)
seed_resolve_addr(const tal_t *ctx, const struct pubkey *id, const u16 port)
{ {
struct addrhint *a; char bech32[100];
char bech32[100], *addr;
u8 der[PUBKEY_DER_LEN]; u8 der[PUBKEY_DER_LEN];
u5 *data = tal_arr(ctx, u5, 0); u5 *data = tal_arr(ctx, u5, 0);
pubkey_to_der(der, id); pubkey_to_der(der, id);
bech32_push_bits(&data, der, PUBKEY_DER_LEN*8); bech32_push_bits(&data, der, PUBKEY_DER_LEN*8);
bech32_encode(bech32, "ln", data, tal_count(data), sizeof(bech32)); bech32_encode(bech32, "ln", data, tal_count(data), sizeof(bech32));
addr = tal_fmt(ctx, "%s.lseed.bitcoinstats.com", bech32); return tal_fmt(ctx, "%s.lseed.bitcoinstats.com", bech32);
}
static struct addrhint *
seed_resolve_addr(const tal_t *ctx, const struct pubkey *id, const u16 port)
{
struct addrhint *a;
const char *addr;
addr = seedname(tmpctx, id);
status_trace("Resolving %s", addr); status_trace("Resolving %s", addr);
a = tal(ctx, struct addrhint); a = tal(ctx, struct addrhint);