Function is_valid_sig

onchaind/onchaind.c:1229–1233

}

static bool is_valid_sig(const u8 *e)
{
	struct bitcoin_signature sig;
	return signature_from_der(e, tal_count(e), &sig);
}

/* We ignore things which look like signatures. */
static bool input_similar(const struct wally_tx_input *i1,