879 lines
31 KiB
Rust
879 lines
31 KiB
Rust
#![allow(clippy::implicit_hasher)]
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use {
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crate::shred,
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itertools::Itertools,
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rayon::{prelude::*, ThreadPool},
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sha2::{Digest, Sha512},
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solana_metrics::inc_new_counter_debug,
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solana_perf::{
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cuda_runtime::PinnedVec,
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packet::{Packet, PacketBatch},
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perf_libs,
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recycler_cache::RecyclerCache,
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sigverify::{self, count_packets_in_batches, TxOffset},
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},
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solana_rayon_threadlimit::get_thread_count,
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solana_sdk::{
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clock::Slot,
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pubkey::Pubkey,
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signature::{Keypair, Signature, Signer},
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},
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std::{collections::HashMap, fmt::Debug, iter::repeat, mem::size_of, ops::Range, sync::Arc},
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};
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const SIGN_SHRED_GPU_MIN: usize = 256;
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lazy_static! {
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static ref SIGVERIFY_THREAD_POOL: ThreadPool = rayon::ThreadPoolBuilder::new()
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.num_threads(get_thread_count())
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.thread_name(|ix| format!("solSvrfyShred{ix:02}"))
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.build()
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.unwrap();
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}
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pub fn verify_shred_cpu(
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packet: &Packet,
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slot_leaders: &HashMap<Slot, /*pubkey:*/ [u8; 32]>,
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) -> bool {
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if packet.meta().discard() {
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return false;
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}
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let shred = match shred::layout::get_shred(packet) {
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None => return false,
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Some(shred) => shred,
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};
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let slot = match shred::layout::get_slot(shred) {
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None => return false,
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Some(slot) => slot,
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};
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trace!("slot {}", slot);
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let pubkey = match slot_leaders.get(&slot) {
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None => return false,
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Some(pubkey) => pubkey,
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};
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let signature = match shred::layout::get_signature(shred) {
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None => return false,
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Some(signature) => signature,
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};
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trace!("signature {}", signature);
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let message =
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match shred::layout::get_signed_message_range(shred).and_then(|slice| shred.get(slice)) {
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None => return false,
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Some(message) => message,
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};
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signature.verify(pubkey, message)
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}
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fn verify_shreds_cpu(
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batches: &[PacketBatch],
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slot_leaders: &HashMap<Slot, /*pubkey:*/ [u8; 32]>,
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) -> Vec<Vec<u8>> {
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let packet_count = count_packets_in_batches(batches);
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debug!("CPU SHRED ECDSA for {}", packet_count);
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let rv = SIGVERIFY_THREAD_POOL.install(|| {
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batches
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.into_par_iter()
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.map(|batch| {
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batch
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.par_iter()
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.map(|packet| u8::from(verify_shred_cpu(packet, slot_leaders)))
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.collect()
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})
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.collect()
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});
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inc_new_counter_debug!("ed25519_shred_verify_cpu", packet_count);
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rv
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}
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fn slot_key_data_for_gpu<T>(
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offset_start: usize,
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batches: &[PacketBatch],
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slot_keys: &HashMap<Slot, /*pubkey:*/ T>,
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recycler_cache: &RecyclerCache,
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) -> (PinnedVec<u8>, TxOffset, usize)
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where
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T: AsRef<[u8]> + Copy + Debug + Default + Eq + std::hash::Hash + Sync,
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{
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//TODO: mark Pubkey::default shreds as failed after the GPU returns
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assert_eq!(slot_keys.get(&Slot::MAX), Some(&T::default()));
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let slots: Vec<Slot> = SIGVERIFY_THREAD_POOL.install(|| {
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batches
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.into_par_iter()
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.flat_map_iter(|batch| {
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batch.iter().map(|packet| {
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if packet.meta().discard() {
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return Slot::MAX;
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}
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let shred = shred::layout::get_shred(packet);
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match shred.and_then(shred::layout::get_slot) {
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Some(slot) if slot_keys.contains_key(&slot) => slot,
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_ => Slot::MAX,
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}
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})
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})
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.collect()
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});
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let keys_to_slots: HashMap<T, Vec<Slot>> = slots
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.iter()
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.map(|slot| (*slot_keys.get(slot).unwrap(), *slot))
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.into_group_map();
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let mut keyvec = recycler_cache.buffer().allocate("shred_gpu_pubkeys");
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keyvec.set_pinnable();
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let keyvec_size = keys_to_slots.len() * size_of::<T>();
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keyvec.resize(keyvec_size, 0);
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let slot_to_key_ix: HashMap<Slot, /*key index:*/ usize> = keys_to_slots
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.into_iter()
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.enumerate()
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.flat_map(|(i, (k, slots))| {
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let start = i * size_of::<T>();
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let end = start + size_of::<T>();
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keyvec[start..end].copy_from_slice(k.as_ref());
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slots.into_iter().zip(repeat(i))
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})
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.collect();
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let mut offsets = recycler_cache.offsets().allocate("shred_offsets");
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offsets.set_pinnable();
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for slot in slots {
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let key_offset = slot_to_key_ix.get(&slot).unwrap() * size_of::<T>();
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offsets.push((offset_start + key_offset) as u32);
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}
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let num_in_packets = resize_vec(&mut keyvec);
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trace!("keyvec.len: {}", keyvec.len());
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trace!("keyvec: {:?}", keyvec);
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trace!("offsets: {:?}", offsets);
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(keyvec, offsets, num_in_packets)
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}
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fn vec_size_in_packets(keyvec: &PinnedVec<u8>) -> usize {
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(keyvec.len() + (size_of::<Packet>() - 1)) / size_of::<Packet>()
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}
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fn resize_vec(keyvec: &mut PinnedVec<u8>) -> usize {
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//HACK: Pubkeys vector is passed along as a `PacketBatch` buffer to the GPU
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//TODO: GPU needs a more opaque interface, which can handle variable sized structures for data
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//Pad the Pubkeys buffer such that it is bigger than a buffer of Packet sized elems
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let num_in_packets = (keyvec.len() + (size_of::<Packet>() - 1)) / size_of::<Packet>();
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keyvec.resize(num_in_packets * size_of::<Packet>(), 0u8);
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num_in_packets
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}
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fn shred_gpu_offsets(
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mut pubkeys_end: usize,
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batches: &[PacketBatch],
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recycler_cache: &RecyclerCache,
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) -> (TxOffset, TxOffset, TxOffset, Vec<Vec<u32>>) {
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fn add_offset(range: Range<usize>, offset: usize) -> Range<usize> {
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range.start + offset..range.end + offset
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}
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let mut signature_offsets = recycler_cache.offsets().allocate("shred_signatures");
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signature_offsets.set_pinnable();
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let mut msg_start_offsets = recycler_cache.offsets().allocate("shred_msg_starts");
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msg_start_offsets.set_pinnable();
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let mut msg_sizes = recycler_cache.offsets().allocate("shred_msg_sizes");
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msg_sizes.set_pinnable();
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let mut v_sig_lens = vec![];
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for batch in batches.iter() {
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let mut sig_lens = Vec::new();
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for packet in batch.iter() {
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let sig = shred::layout::get_signature_range();
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let sig = add_offset(sig, pubkeys_end);
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debug_assert_eq!(sig.end - sig.start, std::mem::size_of::<Signature>());
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let shred = shred::layout::get_shred(packet);
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// Signature may verify for an empty message but the packet will be
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// discarded during deserialization.
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let msg = shred.and_then(shred::layout::get_signed_message_range);
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let msg = add_offset(msg.unwrap_or_default(), pubkeys_end);
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signature_offsets.push(sig.start as u32);
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msg_start_offsets.push(msg.start as u32);
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let msg_size = msg.end.saturating_sub(msg.start);
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msg_sizes.push(msg_size as u32);
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sig_lens.push(1);
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pubkeys_end += size_of::<Packet>();
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}
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v_sig_lens.push(sig_lens);
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}
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(signature_offsets, msg_start_offsets, msg_sizes, v_sig_lens)
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}
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pub fn verify_shreds_gpu(
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batches: &[PacketBatch],
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slot_leaders: &HashMap<Slot, /*pubkey:*/ [u8; 32]>,
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recycler_cache: &RecyclerCache,
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) -> Vec<Vec<u8>> {
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let api = match perf_libs::api() {
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None => return verify_shreds_cpu(batches, slot_leaders),
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Some(api) => api,
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};
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let mut elems = Vec::new();
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let mut rvs = Vec::new();
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let packet_count = count_packets_in_batches(batches);
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let (pubkeys, pubkey_offsets, mut num_packets) =
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slot_key_data_for_gpu(0, batches, slot_leaders, recycler_cache);
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//HACK: Pubkeys vector is passed along as a `PacketBatch` buffer to the GPU
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//TODO: GPU needs a more opaque interface, which can handle variable sized structures for data
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let pubkeys_len = num_packets * size_of::<Packet>();
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trace!("num_packets: {}", num_packets);
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trace!("pubkeys_len: {}", pubkeys_len);
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let (signature_offsets, msg_start_offsets, msg_sizes, v_sig_lens) =
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shred_gpu_offsets(pubkeys_len, batches, recycler_cache);
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let mut out = recycler_cache.buffer().allocate("out_buffer");
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out.set_pinnable();
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elems.push(perf_libs::Elems {
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elems: pubkeys.as_ptr().cast::<u8>(),
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num: num_packets as u32,
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});
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for batch in batches {
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elems.push(perf_libs::Elems {
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elems: batch.as_ptr().cast::<u8>(),
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num: batch.len() as u32,
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});
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let mut v = Vec::new();
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v.resize(batch.len(), 0);
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rvs.push(v);
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num_packets += batch.len();
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}
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out.resize(signature_offsets.len(), 0);
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trace!("Starting verify num packets: {}", num_packets);
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trace!("elem len: {}", elems.len() as u32);
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trace!("packet sizeof: {}", size_of::<Packet>() as u32);
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const USE_NON_DEFAULT_STREAM: u8 = 1;
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unsafe {
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let res = (api.ed25519_verify_many)(
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elems.as_ptr(),
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elems.len() as u32,
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size_of::<Packet>() as u32,
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num_packets as u32,
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signature_offsets.len() as u32,
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msg_sizes.as_ptr(),
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pubkey_offsets.as_ptr(),
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signature_offsets.as_ptr(),
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msg_start_offsets.as_ptr(),
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out.as_mut_ptr(),
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USE_NON_DEFAULT_STREAM,
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);
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if res != 0 {
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trace!("RETURN!!!: {}", res);
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}
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}
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trace!("done verify");
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trace!("out buf {:?}", out);
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sigverify::copy_return_values(&v_sig_lens, &out, &mut rvs);
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inc_new_counter_debug!("ed25519_shred_verify_gpu", packet_count);
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rvs
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}
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fn sign_shred_cpu(keypair: &Keypair, packet: &mut Packet) {
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let sig = shred::layout::get_signature_range();
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let msg = shred::layout::get_shred(packet)
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.and_then(shred::layout::get_signed_message_range)
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.unwrap();
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assert!(
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packet.meta().size >= sig.end,
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"packet is not large enough for a signature"
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);
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let signature = keypair.sign_message(packet.data(msg).unwrap());
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trace!("signature {:?}", signature);
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packet.buffer_mut()[sig].copy_from_slice(signature.as_ref());
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}
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pub fn sign_shreds_cpu(keypair: &Keypair, batches: &mut [PacketBatch]) {
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let packet_count = count_packets_in_batches(batches);
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debug!("CPU SHRED ECDSA for {}", packet_count);
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SIGVERIFY_THREAD_POOL.install(|| {
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batches.par_iter_mut().for_each(|batch| {
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batch[..]
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.par_iter_mut()
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.for_each(|p| sign_shred_cpu(keypair, p));
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});
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});
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inc_new_counter_debug!("ed25519_shred_sign_cpu", packet_count);
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}
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pub fn sign_shreds_gpu_pinned_keypair(keypair: &Keypair, cache: &RecyclerCache) -> PinnedVec<u8> {
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let mut vec = cache.buffer().allocate("pinned_keypair");
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let pubkey = keypair.pubkey().to_bytes();
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let secret = keypair.secret().to_bytes();
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let mut hasher = Sha512::default();
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hasher.update(secret);
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let mut result = hasher.finalize();
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result[0] &= 248;
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result[31] &= 63;
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result[31] |= 64;
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vec.resize(pubkey.len() + result.len(), 0);
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vec[0..pubkey.len()].copy_from_slice(&pubkey);
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vec[pubkey.len()..].copy_from_slice(&result);
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resize_vec(&mut vec);
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vec
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}
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pub fn sign_shreds_gpu(
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keypair: &Keypair,
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pinned_keypair: &Option<Arc<PinnedVec<u8>>>,
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batches: &mut [PacketBatch],
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recycler_cache: &RecyclerCache,
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) {
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let sig_size = size_of::<Signature>();
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let pubkey_size = size_of::<Pubkey>();
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let packet_count = count_packets_in_batches(batches);
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if packet_count < SIGN_SHRED_GPU_MIN || pinned_keypair.is_none() {
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return sign_shreds_cpu(keypair, batches);
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}
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let api = match perf_libs::api() {
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None => return sign_shreds_cpu(keypair, batches),
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Some(api) => api,
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};
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let pinned_keypair = pinned_keypair.as_ref().unwrap();
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let mut elems = Vec::new();
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let offset: usize = pinned_keypair.len();
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let num_keypair_packets = vec_size_in_packets(pinned_keypair);
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let mut num_packets = num_keypair_packets;
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//should be zero
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let mut pubkey_offsets = recycler_cache.offsets().allocate("pubkey offsets");
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pubkey_offsets.resize(packet_count, 0);
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let mut secret_offsets = recycler_cache.offsets().allocate("secret_offsets");
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secret_offsets.resize(packet_count, pubkey_size as u32);
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trace!("offset: {}", offset);
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let (signature_offsets, msg_start_offsets, msg_sizes, _v_sig_lens) =
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shred_gpu_offsets(offset, batches, recycler_cache);
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let total_sigs = signature_offsets.len();
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let mut signatures_out = recycler_cache.buffer().allocate("ed25519 signatures");
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signatures_out.set_pinnable();
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signatures_out.resize(total_sigs * sig_size, 0);
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elems.push(perf_libs::Elems {
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elems: pinned_keypair.as_ptr().cast::<u8>(),
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num: num_keypair_packets as u32,
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});
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for batch in batches.iter() {
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elems.push(perf_libs::Elems {
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elems: batch.as_ptr().cast::<u8>(),
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num: batch.len() as u32,
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});
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let mut v = Vec::new();
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v.resize(batch.len(), 0);
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num_packets += batch.len();
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}
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trace!("Starting verify num packets: {}", num_packets);
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trace!("elem len: {}", elems.len() as u32);
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trace!("packet sizeof: {}", size_of::<Packet>() as u32);
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const USE_NON_DEFAULT_STREAM: u8 = 1;
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unsafe {
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let res = (api.ed25519_sign_many)(
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elems.as_mut_ptr(),
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elems.len() as u32,
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size_of::<Packet>() as u32,
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num_packets as u32,
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total_sigs as u32,
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msg_sizes.as_ptr(),
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pubkey_offsets.as_ptr(),
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secret_offsets.as_ptr(),
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msg_start_offsets.as_ptr(),
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signatures_out.as_mut_ptr(),
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USE_NON_DEFAULT_STREAM,
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);
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if res != 0 {
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trace!("RETURN!!!: {}", res);
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}
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}
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trace!("done sign");
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let mut sizes: Vec<usize> = vec![0];
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sizes.extend(batches.iter().map(|b| b.len()));
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for i in 0..sizes.len() {
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if i == 0 {
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continue;
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}
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sizes[i] += sizes[i - 1];
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}
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SIGVERIFY_THREAD_POOL.install(|| {
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batches
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.par_iter_mut()
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.enumerate()
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.for_each(|(batch_ix, batch)| {
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let num_packets = sizes[batch_ix];
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batch[..]
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.par_iter_mut()
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.enumerate()
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.for_each(|(packet_ix, packet)| {
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let sig_ix = packet_ix + num_packets;
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let sig_start = sig_ix * sig_size;
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let sig_end = sig_start + sig_size;
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packet.buffer_mut()[..sig_size]
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.copy_from_slice(&signatures_out[sig_start..sig_end]);
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});
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});
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});
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inc_new_counter_debug!("ed25519_shred_sign_gpu", packet_count);
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}
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#[cfg(test)]
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mod tests {
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use {
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super::*,
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crate::{
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shred::{ProcessShredsStats, Shred, ShredFlags, LEGACY_SHRED_DATA_CAPACITY},
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shredder::{ReedSolomonCache, Shredder},
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},
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matches::assert_matches,
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rand::{seq::SliceRandom, Rng},
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solana_entry::entry::Entry,
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solana_sdk::{
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hash,
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hash::Hash,
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signature::{Keypair, Signer, SIGNATURE_BYTES},
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system_transaction,
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transaction::Transaction,
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},
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std::iter::{once, repeat_with},
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};
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fn run_test_sigverify_shred_cpu(slot: Slot) {
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solana_logger::setup();
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let mut packet = Packet::default();
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let mut shred = Shred::new_from_data(
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slot,
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0xc0de,
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0xdead,
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&[1, 2, 3, 4],
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ShredFlags::LAST_SHRED_IN_SLOT,
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0,
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0,
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0xc0de,
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);
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assert_eq!(shred.slot(), slot);
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let keypair = Keypair::new();
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shred.sign(&keypair);
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trace!("signature {}", shred.signature());
|
|
packet.buffer_mut()[..shred.payload().len()].copy_from_slice(shred.payload());
|
|
packet.meta_mut().size = shred.payload().len();
|
|
|
|
let leader_slots = [(slot, keypair.pubkey().to_bytes())]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
assert!(verify_shred_cpu(&packet, &leader_slots));
|
|
|
|
let wrong_keypair = Keypair::new();
|
|
let leader_slots = [(slot, wrong_keypair.pubkey().to_bytes())]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
assert!(!verify_shred_cpu(&packet, &leader_slots));
|
|
|
|
let leader_slots = HashMap::new();
|
|
assert!(!verify_shred_cpu(&packet, &leader_slots));
|
|
}
|
|
|
|
#[test]
|
|
fn test_sigverify_shred_cpu() {
|
|
run_test_sigverify_shred_cpu(0xdead_c0de);
|
|
}
|
|
|
|
fn run_test_sigverify_shreds_cpu(slot: Slot) {
|
|
solana_logger::setup();
|
|
let mut batches = [PacketBatch::default()];
|
|
let mut shred = Shred::new_from_data(
|
|
slot,
|
|
0xc0de,
|
|
0xdead,
|
|
&[1, 2, 3, 4],
|
|
ShredFlags::LAST_SHRED_IN_SLOT,
|
|
0,
|
|
0,
|
|
0xc0de,
|
|
);
|
|
let keypair = Keypair::new();
|
|
shred.sign(&keypair);
|
|
batches[0].resize(1, Packet::default());
|
|
batches[0][0].buffer_mut()[..shred.payload().len()].copy_from_slice(shred.payload());
|
|
batches[0][0].meta_mut().size = shred.payload().len();
|
|
|
|
let leader_slots = [(slot, keypair.pubkey().to_bytes())]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
let rv = verify_shreds_cpu(&batches, &leader_slots);
|
|
assert_eq!(rv, vec![vec![1]]);
|
|
|
|
let wrong_keypair = Keypair::new();
|
|
let leader_slots = [(slot, wrong_keypair.pubkey().to_bytes())]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
let rv = verify_shreds_cpu(&batches, &leader_slots);
|
|
assert_eq!(rv, vec![vec![0]]);
|
|
|
|
let leader_slots = HashMap::new();
|
|
let rv = verify_shreds_cpu(&batches, &leader_slots);
|
|
assert_eq!(rv, vec![vec![0]]);
|
|
|
|
let leader_slots = [(slot, keypair.pubkey().to_bytes())]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
batches[0][0].meta_mut().size = 0;
|
|
let rv = verify_shreds_cpu(&batches, &leader_slots);
|
|
assert_eq!(rv, vec![vec![0]]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_sigverify_shreds_cpu() {
|
|
run_test_sigverify_shreds_cpu(0xdead_c0de);
|
|
}
|
|
|
|
fn run_test_sigverify_shreds_gpu(slot: Slot) {
|
|
solana_logger::setup();
|
|
let recycler_cache = RecyclerCache::default();
|
|
|
|
let mut batches = [PacketBatch::default()];
|
|
let mut shred = Shred::new_from_data(
|
|
slot,
|
|
0xc0de,
|
|
0xdead,
|
|
&[1, 2, 3, 4],
|
|
ShredFlags::LAST_SHRED_IN_SLOT,
|
|
0,
|
|
0,
|
|
0xc0de,
|
|
);
|
|
let keypair = Keypair::new();
|
|
shred.sign(&keypair);
|
|
batches[0].resize(1, Packet::default());
|
|
batches[0][0].buffer_mut()[..shred.payload().len()].copy_from_slice(shred.payload());
|
|
batches[0][0].meta_mut().size = shred.payload().len();
|
|
|
|
let leader_slots = [
|
|
(std::u64::MAX, Pubkey::default().to_bytes()),
|
|
(slot, keypair.pubkey().to_bytes()),
|
|
]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
let rv = verify_shreds_gpu(&batches, &leader_slots, &recycler_cache);
|
|
assert_eq!(rv, vec![vec![1]]);
|
|
|
|
let wrong_keypair = Keypair::new();
|
|
let leader_slots = [
|
|
(std::u64::MAX, Pubkey::default().to_bytes()),
|
|
(slot, wrong_keypair.pubkey().to_bytes()),
|
|
]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
let rv = verify_shreds_gpu(&batches, &leader_slots, &recycler_cache);
|
|
assert_eq!(rv, vec![vec![0]]);
|
|
|
|
let leader_slots = [(std::u64::MAX, [0u8; 32])].iter().cloned().collect();
|
|
let rv = verify_shreds_gpu(&batches, &leader_slots, &recycler_cache);
|
|
assert_eq!(rv, vec![vec![0]]);
|
|
|
|
batches[0][0].meta_mut().size = 0;
|
|
let leader_slots = [
|
|
(std::u64::MAX, Pubkey::default().to_bytes()),
|
|
(slot, keypair.pubkey().to_bytes()),
|
|
]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
let rv = verify_shreds_gpu(&batches, &leader_slots, &recycler_cache);
|
|
assert_eq!(rv, vec![vec![0]]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_sigverify_shreds_gpu() {
|
|
run_test_sigverify_shreds_gpu(0xdead_c0de);
|
|
}
|
|
|
|
fn run_test_sigverify_shreds_sign_gpu(slot: Slot) {
|
|
solana_logger::setup();
|
|
let recycler_cache = RecyclerCache::default();
|
|
|
|
let num_packets = 32;
|
|
let num_batches = 100;
|
|
let mut packet_batch = PacketBatch::with_capacity(num_packets);
|
|
packet_batch.resize(num_packets, Packet::default());
|
|
|
|
for (i, p) in packet_batch.iter_mut().enumerate() {
|
|
let shred = Shred::new_from_data(
|
|
slot,
|
|
0xc0de,
|
|
i as u16,
|
|
&[5; LEGACY_SHRED_DATA_CAPACITY],
|
|
ShredFlags::LAST_SHRED_IN_SLOT,
|
|
1,
|
|
2,
|
|
0xc0de,
|
|
);
|
|
shred.copy_to_packet(p);
|
|
}
|
|
let mut batches = vec![packet_batch; num_batches];
|
|
let keypair = Keypair::new();
|
|
let pinned_keypair = sign_shreds_gpu_pinned_keypair(&keypair, &recycler_cache);
|
|
let pinned_keypair = Some(Arc::new(pinned_keypair));
|
|
let pubkeys = [
|
|
(std::u64::MAX, Pubkey::default().to_bytes()),
|
|
(slot, keypair.pubkey().to_bytes()),
|
|
]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
//unsigned
|
|
let rv = verify_shreds_gpu(&batches, &pubkeys, &recycler_cache);
|
|
assert_eq!(rv, vec![vec![0; num_packets]; num_batches]);
|
|
//signed
|
|
sign_shreds_gpu(&keypair, &pinned_keypair, &mut batches, &recycler_cache);
|
|
let rv = verify_shreds_cpu(&batches, &pubkeys);
|
|
assert_eq!(rv, vec![vec![1; num_packets]; num_batches]);
|
|
|
|
let rv = verify_shreds_gpu(&batches, &pubkeys, &recycler_cache);
|
|
assert_eq!(rv, vec![vec![1; num_packets]; num_batches]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_sigverify_shreds_sign_gpu() {
|
|
run_test_sigverify_shreds_sign_gpu(0xdead_c0de);
|
|
}
|
|
|
|
fn run_test_sigverify_shreds_sign_cpu(slot: Slot) {
|
|
solana_logger::setup();
|
|
|
|
let mut batches = [PacketBatch::default()];
|
|
let keypair = Keypair::new();
|
|
let shred = Shred::new_from_data(
|
|
slot,
|
|
0xc0de,
|
|
0xdead,
|
|
&[1, 2, 3, 4],
|
|
ShredFlags::LAST_SHRED_IN_SLOT,
|
|
0,
|
|
0,
|
|
0xc0de,
|
|
);
|
|
batches[0].resize(1, Packet::default());
|
|
batches[0][0].buffer_mut()[..shred.payload().len()].copy_from_slice(shred.payload());
|
|
batches[0][0].meta_mut().size = shred.payload().len();
|
|
|
|
let pubkeys = [
|
|
(slot, keypair.pubkey().to_bytes()),
|
|
(std::u64::MAX, Pubkey::default().to_bytes()),
|
|
]
|
|
.iter()
|
|
.cloned()
|
|
.collect();
|
|
//unsigned
|
|
let rv = verify_shreds_cpu(&batches, &pubkeys);
|
|
assert_eq!(rv, vec![vec![0]]);
|
|
//signed
|
|
sign_shreds_cpu(&keypair, &mut batches);
|
|
let rv = verify_shreds_cpu(&batches, &pubkeys);
|
|
assert_eq!(rv, vec![vec![1]]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_sigverify_shreds_sign_cpu() {
|
|
run_test_sigverify_shreds_sign_cpu(0xdead_c0de);
|
|
}
|
|
|
|
fn make_transaction<R: Rng>(rng: &mut R) -> Transaction {
|
|
let block = rng.gen::<[u8; 32]>();
|
|
let recent_blockhash = hash::hashv(&[&block]);
|
|
system_transaction::transfer(
|
|
&Keypair::new(), // from
|
|
&Pubkey::new_unique(), // to
|
|
rng.gen(), // lamports
|
|
recent_blockhash,
|
|
)
|
|
}
|
|
|
|
fn make_entry<R: Rng>(rng: &mut R, prev_hash: &Hash) -> Entry {
|
|
let size = rng.gen_range(16, 32);
|
|
let txs = repeat_with(|| make_transaction(rng)).take(size).collect();
|
|
Entry::new(
|
|
prev_hash,
|
|
rng.gen_range(1, 64), // num_hashes
|
|
txs,
|
|
)
|
|
}
|
|
|
|
// Minimally corrupts the packet so that the signature no longer verifies.
|
|
fn corrupt_packet<R: Rng>(rng: &mut R, packet: &mut Packet, keypairs: &HashMap<Slot, Keypair>) {
|
|
let coin_flip: bool = rng.gen();
|
|
if coin_flip {
|
|
// Corrupt one byte within the signature offsets.
|
|
let k = rng.gen_range(0, SIGNATURE_BYTES);
|
|
let buffer = packet.buffer_mut();
|
|
buffer[k] = buffer[k].wrapping_add(1u8);
|
|
} else {
|
|
// Corrupt one byte within the signed message offsets.
|
|
let shred = shred::layout::get_shred(packet).unwrap();
|
|
let offsets: Range<usize> = shred::layout::get_signed_message_range(shred).unwrap();
|
|
let k = rng.gen_range(offsets.start, offsets.end);
|
|
let buffer = packet.buffer_mut();
|
|
buffer[k] = buffer[k].wrapping_add(1u8);
|
|
}
|
|
// Assert that the signature no longer verifies.
|
|
let shred = shred::layout::get_shred(packet).unwrap();
|
|
let slot = shred::layout::get_slot(shred).unwrap();
|
|
let signature = shred::layout::get_signature(shred).unwrap();
|
|
if coin_flip {
|
|
let pubkey = keypairs[&slot].pubkey();
|
|
let offsets = shred::layout::get_signed_message_range(shred).unwrap();
|
|
assert!(!signature.verify(pubkey.as_ref(), &shred[offsets]));
|
|
} else {
|
|
// Slot may have been corrupted and no longer mapping to a keypair.
|
|
let pubkey = keypairs.get(&slot).map(Keypair::pubkey).unwrap_or_default();
|
|
let offsets = shred::layout::get_signed_message_range(shred).unwrap_or_default();
|
|
assert!(!signature.verify(pubkey.as_ref(), &shred[offsets]));
|
|
};
|
|
}
|
|
|
|
#[test]
|
|
fn test_fuzz_sigverify_shreds() {
|
|
let mut rng = rand::thread_rng();
|
|
let recycler_cache = RecyclerCache::default();
|
|
let reed_solomon_cache = ReedSolomonCache::default();
|
|
let entries: Vec<_> = {
|
|
let prev_hash = hash::hashv(&[&rng.gen::<[u8; 32]>()]);
|
|
let entry = make_entry(&mut rng, &prev_hash);
|
|
let num_entries = rng.gen_range(64, 128);
|
|
std::iter::successors(Some(entry), |entry| Some(make_entry(&mut rng, &entry.hash)))
|
|
.take(num_entries)
|
|
.collect()
|
|
};
|
|
let mut keypairs = HashMap::<Slot, Keypair>::new();
|
|
// Legacy shreds.
|
|
let (mut shreds, coding_shreds) = {
|
|
let slot = 169_367_809;
|
|
let parent_slot = slot - rng.gen::<u16>() as Slot;
|
|
keypairs.insert(slot, Keypair::new());
|
|
Shredder::new(
|
|
slot,
|
|
parent_slot,
|
|
rng.gen_range(0, 0x3F), // reference_tick
|
|
rng.gen(), // version
|
|
)
|
|
.unwrap()
|
|
.entries_to_shreds(
|
|
&keypairs[&slot],
|
|
&entries,
|
|
true, // is_last_in_slot
|
|
rng.gen_range(0, 671), // next_shred_index
|
|
rng.gen_range(0, 781), // next_code_index
|
|
false, // merkle_variant
|
|
&reed_solomon_cache,
|
|
&mut ProcessShredsStats::default(),
|
|
)
|
|
};
|
|
shreds.extend(coding_shreds);
|
|
// Merkle shreds.
|
|
let (data_shreds, coding_shreds) = {
|
|
let slot = 169_376_655;
|
|
let parent_slot = slot - rng.gen::<u16>() as Slot;
|
|
keypairs.insert(slot, Keypair::new());
|
|
Shredder::new(
|
|
slot,
|
|
parent_slot,
|
|
rng.gen_range(0, 0x3F), // reference_tick
|
|
rng.gen(), // version
|
|
)
|
|
.unwrap()
|
|
.entries_to_shreds(
|
|
&keypairs[&slot],
|
|
&entries,
|
|
true, // is_last_in_slot
|
|
rng.gen_range(0, 671), // next_shred_index
|
|
rng.gen_range(0, 781), // next_code_index
|
|
true, // merkle_variant
|
|
&reed_solomon_cache,
|
|
&mut ProcessShredsStats::default(),
|
|
)
|
|
};
|
|
shreds.extend(data_shreds);
|
|
shreds.extend(coding_shreds);
|
|
shreds.shuffle(&mut rng);
|
|
// Assert that all shreds verfiy and sanitize.
|
|
for shred in &shreds {
|
|
let pubkey = keypairs[&shred.slot()].pubkey();
|
|
assert!(shred.verify(&pubkey));
|
|
assert_matches!(shred.sanitize(), Ok(()));
|
|
}
|
|
// Verfiy using layout api.
|
|
for shred in &shreds {
|
|
let shred = shred.payload();
|
|
let slot = shred::layout::get_slot(shred).unwrap();
|
|
let signature = shred::layout::get_signature(shred).unwrap();
|
|
let offsets = shred::layout::get_signed_message_range(shred).unwrap();
|
|
let pubkey = keypairs[&slot].pubkey();
|
|
assert!(signature.verify(pubkey.as_ref(), &shred[offsets]));
|
|
}
|
|
let num_shreds = shreds.len();
|
|
let slot_leaders: HashMap<Slot, [u8; 32]> = keypairs
|
|
.iter()
|
|
.map(|(&slot, keypair)| (slot, keypair.pubkey().to_bytes()))
|
|
.chain(once((Slot::MAX, Pubkey::default().to_bytes())))
|
|
.collect();
|
|
let mut packets = shreds.into_iter().map(|shred| {
|
|
let mut packet = Packet::default();
|
|
shred.copy_to_packet(&mut packet);
|
|
packet
|
|
});
|
|
let mut packets: Vec<_> = repeat_with(|| {
|
|
let size = rng.gen_range(0, 16);
|
|
let packets: Vec<_> = repeat_with(|| packets.next())
|
|
.while_some()
|
|
.take(size)
|
|
.collect();
|
|
if size != 0 && packets.is_empty() {
|
|
None
|
|
} else {
|
|
Some(PacketBatch::new(packets))
|
|
}
|
|
})
|
|
.while_some()
|
|
.collect();
|
|
assert_eq!(
|
|
num_shreds,
|
|
packets.iter().map(PacketBatch::len).sum::<usize>()
|
|
);
|
|
assert_eq!(
|
|
verify_shreds_gpu(&packets, &slot_leaders, &recycler_cache),
|
|
packets
|
|
.iter()
|
|
.map(PacketBatch::len)
|
|
.map(|size| vec![1u8; size])
|
|
.collect::<Vec<_>>()
|
|
);
|
|
// Invalidate signatures for a random number of packets.
|
|
let out: Vec<_> = packets
|
|
.iter_mut()
|
|
.map(|packets| {
|
|
packets
|
|
.iter_mut()
|
|
.map(|packet| {
|
|
let coin_flip: bool = rng.gen();
|
|
if !coin_flip {
|
|
corrupt_packet(&mut rng, packet, &keypairs);
|
|
}
|
|
u8::from(coin_flip)
|
|
})
|
|
.collect::<Vec<_>>()
|
|
})
|
|
.collect();
|
|
assert_eq!(
|
|
verify_shreds_gpu(&packets, &slot_leaders, &recycler_cache),
|
|
out
|
|
);
|
|
}
|
|
}
|