Milagro BLS update (#985)

* Start updating types

* WIP

* Signature hacking

* Existing EF tests passing with fake_crypto

* Updates

* Delete outdated API spec

* The refactor continues

* It compiles

* WIP test fixes

* All release tests passing bar genesis state parsing

* Update and test YamlConfig

* Update to spec v0.10 compatible BLS

* Updates to BLS EF tests

* Add EF test for AggregateVerify

And delete unused hash2curve tests for uncompressed points

* Update EF tests to v0.10.1

* Use optional block root correctly in block proc

* Use genesis fork in deposit domain. All tests pass

* Cargo fmt

* Fast aggregate verify test

* Update REST API docs

* Cargo fmt

* Fix unused import

* Bump spec tags to v0.10.1

* Add `seconds_per_eth1_block` to chainspec

* Update to timestamp based eth1 voting scheme

* Return None from `get_votes_to_consider` if block cache is empty

* Handle overflows in `is_candidate_block`

* Revert to failing tests

* Fix eth1 data sets test

* Choose default vote according to spec

* Fix collect_valid_votes tests

* Fix `get_votes_to_consider` to choose all eligible blocks

* Uncomment winning_vote tests

* Add comments; remove unused code

* Reduce seconds_per_eth1_block for simulation

* Addressed review comments

* Add test for default vote case

* Fix logs

* Remove unused functions

* Meter default eth1 votes

* Fix comments

* Address review comments; remove unused dependency

* Add first attempt at attestation proc. re-write

* Add version 2 of attestation processing

* Minor fixes

* Add validator pubkey cache

* Make get_indexed_attestation take a committee

* Link signature processing into new attn verification

* First working version

* Ensure pubkey cache is updated

* Add more metrics, slight optimizations

* Clone committee cache during attestation processing

* Update shuffling cache during block processing

* Remove old commented-out code

* Fix shuffling cache insert bug

* Used indexed attestation in fork choice

* Restructure attn processing, add metrics

* Add more detailed metrics

* Tidy, fix failing tests

* Fix failing tests, tidy

* Disable/delete two outdated tests

* Add new Pubkeys struct to signature_sets

* Refactor with functional approach

* Update beacon chain

* Remove decompressed member from pubkey bytes

* Add hashmap for indices lookup

* Change `get_attesting_indices` to use Vec

* Fix failing test

* Tidy

* Add pubkey cache persistence file

* Add more comments

* Integrate persistence file into builder

* Add pubkey cache tests

* Add data_dir to beacon chain builder

* Remove Option in pubkey cache persistence file

* Ensure consistency between datadir/data_dir

* Fix failing network test

* Tidy

* Fix todos

* Improve tests

* Split up block processing metrics

* Tidy

* Refactor get_pubkey_from_state

* Remove commented-out code

* Add BeaconChain::validator_pubkey

* Update milagro_bls

Signed-off-by: Kirk Baird <baird.k@outlook.com>

* Cargo fmt

Signed-off-by: Kirk Baird <baird.k@outlook.com>

* Use Option::filter

* Remove Box

* Comment out tests that fail due to hard-coded

* Fix fake crypto

Signed-off-by: Kirk Baird <baird.k@outlook.com>

* Fix Cow::Borrowed

Signed-off-by: Kirk Baird <baird.k@outlook.com>

* Cargo fmt

Signed-off-by: Kirk Baird <baird.k@outlook.com>

Co-authored-by: Michael Sproul <michael@sigmaprime.io>
Co-authored-by: Michael Sproul <micsproul@gmail.com>
Co-authored-by: pawan <pawandhananjay@gmail.com>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
This commit is contained in:
Kirk Baird 2020-04-28 13:15:46 +10:00 committed by GitHub
parent 15a3af8966
commit 1abb54dabd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
14 changed files with 157 additions and 241 deletions

16
Cargo.lock generated
View File

@ -82,7 +82,7 @@ dependencies = [
[[package]]
name = "amcl"
version = "0.2.0"
source = "git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10#38c6c33925b24c9319a1febfb621ff9bbf6d49f7"
source = "git+https://github.com/sigp/milagro_bls?tag=v1.0.0#ac3e5c3a48aed7ea810ac411655963f5177430b7"
dependencies = [
"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@ -370,7 +370,7 @@ dependencies = [
"eth2_ssz 0.1.2",
"eth2_ssz_types 0.2.0",
"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"milagro_bls 1.0.1 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
"milagro_bls 1.0.0 (git+https://github.com/sigp/milagro_bls?tag=v1.0.0)",
"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
@ -1185,7 +1185,7 @@ dependencies = [
"eth2_hashing 0.1.1",
"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"milagro_bls 1.0.1 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
"milagro_bls 1.0.0 (git+https://github.com/sigp/milagro_bls?tag=v1.0.0)",
"num-bigint 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2524,10 +2524,10 @@ dependencies = [
[[package]]
name = "milagro_bls"
version = "1.0.1"
source = "git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10#38c6c33925b24c9319a1febfb621ff9bbf6d49f7"
version = "1.0.0"
source = "git+https://github.com/sigp/milagro_bls?tag=v1.0.0#ac3e5c3a48aed7ea810ac411655963f5177430b7"
dependencies = [
"amcl 0.2.0 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
"amcl 0.2.0 (git+https://github.com/sigp/milagro_bls?tag=v1.0.0)",
"hex 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
@ -5186,7 +5186,7 @@ dependencies = [
"checksum aesni 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2f70a6b5f971e473091ab7cfb5ffac6cde81666c4556751d8d5620ead8abf100"
"checksum ahash 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "6f33b5018f120946c1dcf279194f238a9f146725593ead1c08fa47ff22b0b5d3"
"checksum aho-corasick 0.7.10 (registry+https://github.com/rust-lang/crates.io-index)" = "8716408b8bc624ed7f65d223ddb9ac2d044c0547b6fa4b0d554f3a9540496ada"
"checksum amcl 0.2.0 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)" = "<none>"
"checksum amcl 0.2.0 (git+https://github.com/sigp/milagro_bls?tag=v1.0.0)" = "<none>"
"checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
"checksum arc-swap 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d663a8e9a99154b5fb793032533f6328da35e23aac63d5c152279aa8ba356825"
"checksum arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
@ -5381,7 +5381,7 @@ dependencies = [
"checksum maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
"checksum memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
"checksum memoffset 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b4fc2c02a7e374099d4ee95a193111f72d2110197fe200272371758f6c3643d8"
"checksum milagro_bls 1.0.1 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)" = "<none>"
"checksum milagro_bls 1.0.0 (git+https://github.com/sigp/milagro_bls?tag=v1.0.0)" = "<none>"
"checksum mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
"checksum mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)" = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
"checksum mime_guess 2.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2684d4c2e97d99848d30b324b00c8fcc7e5c897b7cbb5819b09e7c90e8baf212"

View File

@ -1124,11 +1124,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
})?;
let signature_set = indexed_attestation_signature_set_from_pubkeys(
|validator_index| {
pubkey_cache
.get(validator_index)
.map(|pk| Cow::Borrowed(pk.as_point()))
},
|validator_index| pubkey_cache.get(validator_index).map(Cow::Borrowed),
&attestation.signature,
&indexed_attestation,
&fork,

View File

@ -53,9 +53,7 @@ use slog::{error, Logger};
use slot_clock::SlotClock;
use ssz::Encode;
use state_processing::{
block_signature_verifier::{
BlockSignatureVerifier, Error as BlockSignatureVerifierError, G1Point,
},
block_signature_verifier::{BlockSignatureVerifier, Error as BlockSignatureVerifierError},
per_block_processing, per_slot_processing, BlockProcessingError, BlockSignatureStrategy,
SlotProcessingError,
};
@ -66,7 +64,7 @@ use store::{Error as DBError, StateBatch};
use tree_hash::TreeHash;
use types::{
BeaconBlock, BeaconState, BeaconStateError, ChainSpec, CloneConfig, EthSpec, Hash256,
RelativeEpoch, SignedBeaconBlock, Slot,
PublicKey, RelativeEpoch, SignedBeaconBlock, Slot,
};
mod block_processing_outcome;
@ -813,7 +811,7 @@ fn get_signature_verifier<'a, E: EthSpec>(
state: &'a BeaconState<E>,
validator_pubkey_cache: &'a ValidatorPubkeyCache,
spec: &'a ChainSpec,
) -> BlockSignatureVerifier<'a, E, impl Fn(usize) -> Option<Cow<'a, G1Point>> + Clone> {
) -> BlockSignatureVerifier<'a, E, impl Fn(usize) -> Option<Cow<'a, PublicKey>> + Clone> {
BlockSignatureVerifier::new(
state,
move |validator_index| {
@ -822,7 +820,7 @@ fn get_signature_verifier<'a, E: EthSpec>(
if validator_index < state.validators.len() {
validator_pubkey_cache
.get(validator_index)
.map(|pk| Cow::Borrowed(pk.as_point()))
.map(|pk| Cow::Borrowed(pk))
} else {
None
}

View File

@ -3,7 +3,7 @@
use super::signature_sets::{Error as SignatureSetError, Result as SignatureSetResult, *};
use crate::common::get_indexed_attestation;
use crate::per_block_processing::errors::{AttestationInvalid, BlockOperationError};
use bls::{verify_signature_sets, SignatureSet};
use bls::{verify_signature_sets, PublicKey, SignatureSet};
use rayon::prelude::*;
use std::borrow::Cow;
use types::{
@ -11,8 +11,6 @@ use types::{
SignedBeaconBlock,
};
pub use bls::G1Point;
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug, PartialEq)]
@ -53,18 +51,18 @@ impl From<BlockOperationError<AttestationInvalid>> for Error {
pub struct BlockSignatureVerifier<'a, T, F>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>> + Clone,
F: Fn(usize) -> Option<Cow<'a, PublicKey>> + Clone,
{
get_pubkey: F,
state: &'a BeaconState<T>,
spec: &'a ChainSpec,
sets: Vec<SignatureSet<'a>>,
sets: Vec<SignatureSet>,
}
impl<'a, T, F> BlockSignatureVerifier<'a, T, F>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>> + Clone,
F: Fn(usize) -> Option<Cow<'a, PublicKey>> + Clone,
{
/// Create a new verifier without any included signatures. See the `include...` functions to
/// add signatures, and the `verify`
@ -116,7 +114,7 @@ where
.sets
.into_par_iter()
.chunks(num_chunks)
.map(|chunk| verify_signature_sets(chunk.into_iter()))
.map(|chunk| verify_signature_sets(chunk))
.reduce(|| true, |current, this| current && this);
if result {

View File

@ -2,7 +2,7 @@
//! validated individually, or alongside in others in a potentially cheaper bulk operation.
//!
//! This module exposes one function to extract each type of `SignatureSet` from a `BeaconBlock`.
use bls::{G1Point, G1Ref, SignatureSet, SignedMessage};
use bls::SignatureSet;
use ssz::DecodeError;
use std::borrow::Cow;
use std::convert::TryInto;
@ -44,7 +44,7 @@ impl From<BeaconStateError> for Error {
pub fn get_pubkey_from_state<'a, T>(
state: &'a BeaconState<T>,
validator_index: usize,
) -> Option<Cow<'a, G1Point>>
) -> Option<Cow<'a, PublicKey>>
where
T: EthSpec,
{
@ -55,7 +55,7 @@ where
let pk: Option<PublicKey> = (&v.pubkey).try_into().ok();
pk
})
.map(|pk| Cow::Owned(pk.into_point()))
.map(Cow::Owned)
}
/// A signature set that is valid if a block was signed by the expected block producer.
@ -65,10 +65,10 @@ pub fn block_proposal_signature_set<'a, T, F>(
signed_block: &'a SignedBeaconBlock<T>,
block_root: Option<Hash256>,
spec: &'a ChainSpec,
) -> Result<SignatureSet<'a>>
) -> Result<SignatureSet>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>>,
F: Fn(usize) -> Option<Cow<'a, PublicKey>>,
{
let block = &signed_block.message;
let proposer_index = state.get_beacon_proposer_index(block.slot, spec)?;
@ -103,10 +103,10 @@ pub fn randao_signature_set<'a, T, F>(
get_pubkey: F,
block: &'a BeaconBlock<T>,
spec: &'a ChainSpec,
) -> Result<SignatureSet<'a>>
) -> Result<SignatureSet>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>>,
F: Fn(usize) -> Option<Cow<'a, PublicKey>>,
{
let proposer_index = state.get_beacon_proposer_index(block.slot, spec)?;
@ -132,10 +132,10 @@ pub fn proposer_slashing_signature_set<'a, T, F>(
get_pubkey: F,
proposer_slashing: &'a ProposerSlashing,
spec: &'a ChainSpec,
) -> Result<(SignatureSet<'a>, SignatureSet<'a>)>
) -> Result<(SignatureSet, SignatureSet)>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>>,
F: Fn(usize) -> Option<Cow<'a, PublicKey>>,
{
let proposer_index = proposer_slashing.signed_header_1.message.proposer_index as usize;
@ -161,9 +161,9 @@ where
fn block_header_signature_set<'a, T: EthSpec>(
state: &'a BeaconState<T>,
signed_header: &'a SignedBeaconBlockHeader,
pubkey: Cow<'a, G1Point>,
pubkey: Cow<'a, PublicKey>,
spec: &'a ChainSpec,
) -> Result<SignatureSet<'a>> {
) -> Result<SignatureSet> {
let domain = spec.get_domain(
signed_header.message.slot.epoch(T::slots_per_epoch()),
Domain::BeaconProposer,
@ -191,10 +191,10 @@ pub fn indexed_attestation_signature_set<'a, 'b, T, F>(
signature: &'a AggregateSignature,
indexed_attestation: &'b IndexedAttestation<T>,
spec: &'a ChainSpec,
) -> Result<SignatureSet<'a>>
) -> Result<SignatureSet>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>>,
F: Fn(usize) -> Option<Cow<'a, PublicKey>>,
{
let pubkeys = indexed_attestation
.attesting_indices
@ -213,9 +213,9 @@ where
);
let message = indexed_attestation.data.signing_root(domain);
let signed_message = SignedMessage::new(pubkeys, message.as_bytes().to_vec());
let message = message.as_bytes().to_vec();
Ok(SignatureSet::new(signature, vec![signed_message]))
Ok(SignatureSet::new(signature, pubkeys, message))
}
/// Returns the signature set for the given `indexed_attestation` but pubkeys are supplied directly
@ -227,10 +227,10 @@ pub fn indexed_attestation_signature_set_from_pubkeys<'a, 'b, T, F>(
fork: &Fork,
genesis_validators_root: Hash256,
spec: &'a ChainSpec,
) -> Result<SignatureSet<'a>>
) -> Result<SignatureSet>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>>,
F: Fn(usize) -> Option<Cow<'a, PublicKey>>,
{
let pubkeys = indexed_attestation
.attesting_indices
@ -249,9 +249,9 @@ where
);
let message = indexed_attestation.data.signing_root(domain);
let signed_message = SignedMessage::new(pubkeys, message.as_bytes().to_vec());
let message = message.as_bytes().to_vec();
Ok(SignatureSet::new(signature, vec![signed_message]))
Ok(SignatureSet::new(signature, pubkeys, message))
}
/// Returns the signature set for the given `attester_slashing` and corresponding `pubkeys`.
@ -260,10 +260,10 @@ pub fn attester_slashing_signature_sets<'a, T, F>(
get_pubkey: F,
attester_slashing: &'a AttesterSlashing<T>,
spec: &'a ChainSpec,
) -> Result<(SignatureSet<'a>, SignatureSet<'a>)>
) -> Result<(SignatureSet, SignatureSet)>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>> + Clone,
F: Fn(usize) -> Option<Cow<'a, PublicKey>> + Clone,
{
Ok((
indexed_attestation_signature_set(
@ -305,12 +305,12 @@ pub fn deposit_pubkey_signature_message(
/// `deposit_pubkey_signature_message`.
pub fn deposit_signature_set<'a>(
pubkey_signature_message: &'a (PublicKey, Signature, Vec<u8>),
) -> SignatureSet<'a> {
) -> SignatureSet {
let (pubkey, signature, message) = pubkey_signature_message;
// Note: Deposits are valid across forks, thus the deposit domain is computed
// with the fork zeroed.
SignatureSet::single(signature, pubkey.g1_ref(), message.clone())
// with the fok zeroed.
SignatureSet::single(&signature, Cow::Borrowed(pubkey), message.clone())
}
/// Returns a signature set that is valid if the `SignedVoluntaryExit` was signed by the indicated
@ -320,10 +320,10 @@ pub fn exit_signature_set<'a, T, F>(
get_pubkey: F,
signed_exit: &'a SignedVoluntaryExit,
spec: &'a ChainSpec,
) -> Result<SignatureSet<'a>>
) -> Result<SignatureSet>
where
T: EthSpec,
F: Fn(usize) -> Option<Cow<'a, G1Point>>,
F: Fn(usize) -> Option<Cow<'a, PublicKey>>,
{
let exit = &signed_exit.message;
let proposer_index = exit.validator_index as usize;

View File

@ -5,7 +5,7 @@ authors = ["Paul Hauner <paul@paulhauner.com>"]
edition = "2018"
[dependencies]
milagro_bls = { git = "https://github.com/sigp/milagro_bls", branch = "eth2.0-v0.10" }
milagro_bls = { git = "https://github.com/sigp/milagro_bls", tag = "v1.0.0" }
eth2_hashing = "0.1.0"
hex = "0.3"
rand = "0.7.2"

View File

@ -1,5 +1,5 @@
use super::{PublicKey, BLS_PUBLIC_KEY_BYTE_SIZE};
use milagro_bls::{AggregatePublicKey as RawAggregatePublicKey, G1Point};
use milagro_bls::AggregatePublicKey as RawAggregatePublicKey;
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use serde_hex::{encode as hex_encode, PrefixedHexVisitor};
@ -37,10 +37,6 @@ impl AggregatePublicKey {
self.0.add(public_key.as_raw())
}
pub fn add_point(&mut self, point: &G1Point) {
self.0.point.add(point)
}
/// Returns the underlying public key.
pub fn as_raw(&self) -> &RawAggregatePublicKey {
&self.0

View File

@ -1,8 +1,5 @@
use super::*;
use milagro_bls::{
AggregatePublicKey as RawAggregatePublicKey, AggregateSignature as RawAggregateSignature,
G2Point,
};
use milagro_bls::{AggregateSignature as RawAggregateSignature, G2Point};
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use serde_hex::{encode as hex_encode, PrefixedHexVisitor};
@ -32,16 +29,19 @@ impl AggregateSignature {
/// Add (aggregate) a signature to the `AggregateSignature`.
pub fn add(&mut self, signature: &Signature) {
if self.is_empty {
self.aggregate_signature = RawAggregateSignature::new();
self.is_empty = false;
}
// Only empty if both are empty
self.is_empty = self.is_empty && signature.is_empty();
// Note: empty signatures will have point at infinity which is equivalent of adding 0.
self.aggregate_signature.add(signature.as_raw())
}
/// Add (aggregate) another `AggregateSignature`.
pub fn add_aggregate(&mut self, agg_signature: &AggregateSignature) {
// Only empty if both are empty
self.is_empty = self.is_empty && agg_signature.is_empty();
// Note: empty signatures will have point at infinity which is equivalent of adding 0.
self.aggregate_signature
.add_aggregate(&agg_signature.aggregate_signature)
}
@ -55,32 +55,32 @@ impl AggregateSignature {
return false;
}
self.aggregate_signature
.verify(msg, aggregate_public_key.as_raw())
.fast_aggregate_verify_pre_aggregated(msg, aggregate_public_key.as_raw())
}
/// Verify this AggregateSignature against multiple AggregatePublickeys with multiple Messages.
/// Verify the `AggregateSignature` against an `AggregatePublicKey`.
///
/// All PublicKeys related to a Message should be aggregated into one AggregatePublicKey.
/// Each AggregatePublicKey has a 1:1 ratio with a 32 byte Message.
pub fn verify_multiple(
&self,
messages: &[&[u8]],
aggregate_public_keys: &[&AggregatePublicKey],
) -> bool {
/// Only returns `true` if the set of keys in the `AggregatePublicKey` match the set of keys
/// that signed the `AggregateSignature`.
pub fn verify_unaggregated(&self, msg: &[u8], public_keys: &[&PublicKey]) -> bool {
if self.is_empty {
return false;
}
let aggregate_public_keys: Vec<&RawAggregatePublicKey> =
aggregate_public_keys.iter().map(|pk| pk.as_raw()).collect();
// Messages are concatenated into one long message.
let mut msgs: Vec<Vec<u8>> = vec![];
for message in messages {
msgs.push(message.to_vec());
}
let public_key_refs: Vec<_> = public_keys.iter().map(|pk| pk.as_raw()).collect();
self.aggregate_signature
.verify_multiple(&msgs, &aggregate_public_keys[..])
.fast_aggregate_verify(msg, &public_key_refs)
}
/// Verify this AggregateSignature against multiple AggregatePublickeys and Messages.
///
/// Each AggregatePublicKey has a 1:1 ratio with a 32 byte Message.
pub fn verify_multiple(&self, messages: &[&[u8]], public_keys: &[&PublicKey]) -> bool {
if self.is_empty {
return false;
}
let public_keys_refs: Vec<_> = public_keys.iter().map(|pk| pk.as_raw()).collect();
self.aggregate_signature
.aggregate_verify(&messages, &public_keys_refs)
}
/// Return AggregateSignature as bytes

View File

@ -67,6 +67,17 @@ impl FakeAggregatePublicKey {
// No nothing.
}
pub fn aggregate(_pks: &[&PublicKey]) -> Self {
Self::new()
}
pub fn from_public_key(public_key: &PublicKey) -> Self {
Self {
bytes: public_key.as_bytes(),
point: public_key.point.clone(),
}
}
pub fn as_raw(&self) -> &Self {
&self
}

View File

@ -1,6 +1,6 @@
use super::{
fake_aggregate_public_key::FakeAggregatePublicKey, fake_signature::FakeSignature,
BLS_AGG_SIG_BYTE_SIZE,
fake_aggregate_public_key::FakeAggregatePublicKey, fake_public_key::FakePublicKey,
fake_signature::FakeSignature, BLS_AGG_SIG_BYTE_SIZE,
};
use milagro_bls::G2Point;
use serde::de::{Deserialize, Deserializer};
@ -47,6 +47,11 @@ impl FakeAggregateSignature {
// Do nothing.
}
/// Does glorious nothing.
pub fn aggregate(&mut self, _agg_sig: &FakeAggregateSignature) {
// Do nothing.
}
/// _Always_ returns `true`.
pub fn verify(&self, _msg: &[u8], _aggregate_public_key: &FakeAggregatePublicKey) -> bool {
true
@ -56,11 +61,28 @@ impl FakeAggregateSignature {
pub fn verify_multiple(
&self,
_messages: &[&[u8]],
_aggregate_public_keys: &[&FakeAggregatePublicKey],
_aggregate_public_keys: &[&FakePublicKey],
) -> bool {
true
}
/// _Always_ returns `true`.
pub fn fast_aggregate_verify_pre_aggregated(
&self,
_messages: &[u8],
_aggregate_public_keys: &FakeAggregatePublicKey,
) -> bool {
true
}
/// _Always_ returns `true`.
pub fn from_signature(signature: &FakeSignature) -> Self {
Self {
bytes: signature.as_bytes(),
point: signature.point.clone(),
}
}
/// Convert bytes to fake BLS aggregate signature
pub fn from_bytes(bytes: &[u8]) -> Result<Self, DecodeError> {
if bytes.len() != BLS_AGG_SIG_BYTE_SIZE {

View File

@ -13,8 +13,8 @@ pub use crate::keypair::Keypair;
pub use crate::public_key_bytes::PublicKeyBytes;
pub use crate::secret_key::SecretKey;
pub use crate::signature_bytes::SignatureBytes;
pub use milagro_bls::{compress_g2, hash_on_g2, G1Point};
pub use signature_set::{verify_signature_sets, G1Ref, SignatureSet, SignedMessage};
pub use milagro_bls::{compress_g2, hash_to_curve_g2};
pub use signature_set::{verify_signature_sets, SignatureSet};
#[cfg(feature = "fake_crypto")]
mod fake_aggregate_public_key;

View File

@ -1,179 +1,74 @@
use crate::{AggregatePublicKey, AggregateSignature, PublicKey, Signature};
use milagro_bls::{G1Point, G2Point};
use crate::{AggregateSignature, PublicKey, Signature};
use std::borrow::Cow;
#[cfg(not(feature = "fake_crypto"))]
use milagro_bls::AggregateSignature as RawAggregateSignature;
use milagro_bls::{
AggregatePublicKey as RawAggregatePublicKey, AggregateSignature as RawAggregateSignature,
PublicKey as RawPublicKey,
};
#[cfg(feature = "fake_crypto")]
use crate::fakes::{
AggregatePublicKey as RawAggregatePublicKey, AggregateSignature as RawAggregateSignature,
PublicKey as RawPublicKey,
};
type Message = Vec<u8>;
#[derive(Clone, Debug)]
pub struct SignedMessage<'a> {
signing_keys: Vec<Cow<'a, G1Point>>,
pub struct SignatureSet {
pub signature: RawAggregateSignature,
signing_keys: RawAggregatePublicKey,
message: Message,
}
impl<'a> SignedMessage<'a> {
pub fn new(signing_keys: Vec<Cow<'a, G1Point>>, message: Message) -> Self {
impl SignatureSet {
pub fn single(signature: &Signature, signing_key: Cow<PublicKey>, message: Message) -> Self {
Self {
signing_keys,
signature: RawAggregateSignature::from_signature(signature.as_raw()),
signing_keys: RawAggregatePublicKey::from_public_key(signing_key.as_raw()),
message,
}
}
}
#[derive(Clone, Debug)]
pub struct SignatureSet<'a> {
pub signature: &'a G2Point,
signed_messages: Vec<SignedMessage<'a>>,
}
impl<'a> SignatureSet<'a> {
pub fn single<S>(signature: &'a S, signing_key: Cow<'a, G1Point>, message: Message) -> Self
where
S: G2Ref,
{
Self {
signature: signature.g2_ref(),
signed_messages: vec![SignedMessage::new(vec![signing_key], message)],
}
}
pub fn dual<S, T>(
signature: &'a S,
message_0: Message,
message_0_signing_keys: Vec<Cow<'a, G1Point>>,
message_1: Message,
message_1_signing_keys: Vec<Cow<'a, G1Point>>,
pub fn new(
signature: &AggregateSignature,
signing_keys: Vec<Cow<PublicKey>>,
message: Message,
) -> Self
where
T: G1Ref + Clone,
S: G2Ref,
{
where {
let signing_keys_refs: Vec<&RawPublicKey> =
signing_keys.iter().map(|pk| pk.as_raw()).collect();
Self {
signature: signature.g2_ref(),
signed_messages: vec![
SignedMessage::new(message_0_signing_keys, message_0),
SignedMessage::new(message_1_signing_keys, message_1),
],
}
}
pub fn new<S>(signature: &'a S, signed_messages: Vec<SignedMessage<'a>>) -> Self
where
S: G2Ref,
{
Self {
signature: signature.g2_ref(),
signed_messages,
signature: signature.as_raw().clone(),
signing_keys: RawAggregatePublicKey::aggregate(&signing_keys_refs),
message,
}
}
pub fn is_valid(&self) -> bool {
let sig = milagro_bls::AggregateSignature {
point: self.signature.clone(),
};
let mut messages: Vec<Vec<u8>> = vec![];
let mut pubkeys = vec![];
self.signed_messages.iter().for_each(|signed_message| {
messages.push(signed_message.message.clone());
let point = if signed_message.signing_keys.len() == 1 {
signed_message.signing_keys[0].clone().into_owned()
} else {
aggregate_public_keys(&signed_message.signing_keys)
};
pubkeys.push(milagro_bls::AggregatePublicKey { point });
});
let pubkey_refs: Vec<&milagro_bls::AggregatePublicKey> =
pubkeys.iter().map(std::borrow::Borrow::borrow).collect();
sig.verify_multiple(&messages, &pubkey_refs)
self.signature
.fast_aggregate_verify_pre_aggregated(&self.message, &self.signing_keys)
}
}
type VerifySet<'a> = (
&'a RawAggregateSignature,
&'a RawAggregatePublicKey,
&'a [u8],
);
#[cfg(not(feature = "fake_crypto"))]
pub fn verify_signature_sets<'a>(iter: impl Iterator<Item = SignatureSet<'a>>) -> bool {
pub fn verify_signature_sets<'a>(sets: Vec<SignatureSet>) -> bool {
let rng = &mut rand::thread_rng();
RawAggregateSignature::verify_multiple_signatures(rng, iter.map(Into::into))
let verify_set: Vec<VerifySet> = sets
.iter()
.map(|ss| (&ss.signature, &ss.signing_keys, ss.message.as_slice()))
.collect();
RawAggregateSignature::verify_multiple_aggregate_signatures(rng, verify_set.into_iter())
}
#[cfg(feature = "fake_crypto")]
pub fn verify_signature_sets<'a>(_iter: impl Iterator<Item = SignatureSet<'a>>) -> bool {
pub fn verify_signature_sets<'a>(sets: Vec<SignatureSet>) -> bool {
true
}
type VerifySet<'a> = (G2Point, Vec<G1Point>, Vec<Vec<u8>>);
impl<'a> Into<VerifySet<'a>> for SignatureSet<'a> {
fn into(self) -> VerifySet<'a> {
let signature = self.signature.clone();
let (pubkeys, messages): (Vec<G1Point>, Vec<Message>) = self
.signed_messages
.into_iter()
.map(|signed_message| {
let key = if signed_message.signing_keys.len() == 1 {
signed_message.signing_keys[0].clone().into_owned()
} else {
aggregate_public_keys(&signed_message.signing_keys)
};
(key, signed_message.message)
})
.unzip();
(signature, pubkeys, messages)
}
}
/// Create an aggregate public key for a list of validators, failing if any key can't be found.
fn aggregate_public_keys<'a>(public_keys: &'a [Cow<'a, G1Point>]) -> G1Point {
let mut aggregate =
public_keys
.iter()
.fold(AggregatePublicKey::new(), |mut aggregate, pubkey| {
aggregate.add_point(&pubkey);
aggregate
});
aggregate.affine();
aggregate.into_raw().point
}
pub trait G1Ref {
fn g1_ref(&self) -> Cow<'_, G1Point>;
}
impl G1Ref for AggregatePublicKey {
fn g1_ref(&self) -> Cow<'_, G1Point> {
Cow::Borrowed(&self.as_raw().point)
}
}
impl G1Ref for PublicKey {
fn g1_ref(&self) -> Cow<'_, G1Point> {
Cow::Borrowed(&self.as_raw().point)
}
}
pub trait G2Ref {
fn g2_ref(&self) -> &G2Point;
}
impl G2Ref for AggregateSignature {
fn g2_ref(&self) -> &G2Point {
&self.as_raw().point
}
}
impl G2Ref for Signature {
fn g2_ref(&self) -> &G2Point {
&self.as_raw().point
}
}

View File

@ -11,7 +11,7 @@ lazy_static = "1.4.0"
num-bigint = "0.2.3"
eth2_hashing = "0.1.0"
hex = "0.3"
milagro_bls = { git = "https://github.com/sigp/milagro_bls", branch = "eth2.0-v0.10" }
milagro_bls = { git = "https://github.com/sigp/milagro_bls", tag = "v1.0.0" }
serde_yaml = "0.8.11"
serde = "1.0.102"
serde_derive = "1.0.102"

View File

@ -1,12 +1,12 @@
use super::*;
use crate::case_result::compare_result;
use crate::cases::common::BlsCase;
use bls::{AggregatePublicKey, AggregateSignature};
use bls::{AggregateSignature, PublicKey};
use serde_derive::Deserialize;
#[derive(Debug, Clone, Deserialize)]
pub struct BlsAggregatePair {
pub pubkey: AggregatePublicKey,
pub pubkey: PublicKey,
pub message: String,
}