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Strip out old code

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All of these files have been moved to either:

- https://github.com/sigp/lighthouse-beacon
- https://github.com/sigp/lighthouse-validator
- https://github.com/sigp/lighthouse-common

For rationale, see: https://github.com/sigp/lighthouse/issues/197
This commit is contained in:
Paul Hauner
2019-02-13 14:15:53 +11:00
parent e4f6fe047d
commit 1d5ff4359a
150 changed files with 0 additions and 14694 deletions
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83
eth2/utils/bls/src/aggregate_signature.rs
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@@ -1,83 +0,0 @@
use super::{AggregatePublicKey, Signature};
use bls_aggregates::AggregateSignature as RawAggregateSignature;
use serde::ser::{Serialize, Serializer};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
/// A BLS aggregate signature.
///
/// This struct is a wrapper upon a base type and provides helper functions (e.g., SSZ
/// serialization).
#[derive(Debug, PartialEq, Clone, Default, Eq)]
pub struct AggregateSignature(RawAggregateSignature);
impl AggregateSignature {
/// Instantiate a new AggregateSignature.
pub fn new() -> Self {
AggregateSignature(RawAggregateSignature::new())
}
/// Add (aggregate) a signature to the `AggregateSignature`.
pub fn add(&mut self, signature: &Signature) {
self.0.add(signature.as_raw())
}
/// Verify the `AggregateSignature` against an `AggregatePublicKey`.
///
/// Only returns `true` if the set of keys in the `AggregatePublicKey` match the set of keys
/// that signed the `AggregateSignature`.
pub fn verify(&self, msg: &[u8], aggregate_public_key: &AggregatePublicKey) -> bool {
self.0.verify(msg, aggregate_public_key)
}
}
impl Encodable for AggregateSignature {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.0.as_bytes());
}
}
impl Decodable for AggregateSignature {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let raw_sig =
RawAggregateSignature::from_bytes(&sig_bytes).map_err(|_| DecodeError::TooShort)?;
Ok((AggregateSignature(raw_sig), i))
}
}
impl Serialize for AggregateSignature {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_bytes(&ssz_encode(self))
}
}
impl TreeHash for AggregateSignature {
fn hash_tree_root(&self) -> Vec<u8> {
hash(&self.0.as_bytes())
}
}
#[cfg(test)]
mod tests {
use super::super::{Keypair, Signature};
use super::*;
use ssz::ssz_encode;
#[test]
pub fn test_ssz_round_trip() {
let keypair = Keypair::random();
let mut original = AggregateSignature::new();
original.add(&Signature::new(&[42, 42], &keypair.sk));
let bytes = ssz_encode(&original);
let (decoded, _) = AggregateSignature::ssz_decode(&bytes, 0).unwrap();
assert_eq!(original, decoded);
}
}

16
eth2/utils/bls/src/keypair.rs
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@@ -1,16 +0,0 @@
use super::{PublicKey, SecretKey};
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Keypair {
pub sk: SecretKey,
pub pk: PublicKey,
}
impl Keypair {
/// Instantiate a Keypair using SecretKey::random().
pub fn random() -> Self {
let sk = SecretKey::random();
let pk = PublicKey::from_secret_key(&sk);
Keypair { sk, pk }
}
}

52
eth2/utils/bls/src/lib.rs
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@@ -1,52 +0,0 @@
extern crate bls_aggregates;
extern crate hashing;
extern crate ssz;
mod aggregate_signature;
mod keypair;
mod public_key;
mod secret_key;
mod signature;
pub use crate::aggregate_signature::AggregateSignature;
pub use crate::keypair::Keypair;
pub use crate::public_key::PublicKey;
pub use crate::secret_key::SecretKey;
pub use crate::signature::Signature;
pub use self::bls_aggregates::AggregatePublicKey;
pub const BLS_AGG_SIG_BYTE_SIZE: usize = 97;
use hashing::hash;
use ssz::ssz_encode;
use std::default::Default;
fn extend_if_needed(hash: &mut Vec<u8>) {
// NOTE: bls_aggregates crate demands 48 bytes, this may be removed as we get closer to production
hash.resize(48, Default::default())
}
/// For some signature and public key, ensure that the signature message was the public key and it
/// was signed by the secret key that corresponds to that public key.
pub fn verify_proof_of_possession(sig: &Signature, pubkey: &PublicKey) -> bool {
let mut hash = hash(&ssz_encode(pubkey));
extend_if_needed(&mut hash);
sig.verify_hashed(&hash, &pubkey)
}
pub fn create_proof_of_possession(keypair: &Keypair) -> Signature {
let mut hash = hash(&ssz_encode(&keypair.pk));
extend_if_needed(&mut hash);
Signature::new_hashed(&hash, &keypair.sk)
}
pub fn bls_verify_aggregate(
pubkey: &AggregatePublicKey,
message: &[u8],
signature: &AggregateSignature,
_domain: u64,
) -> bool {
// TODO: add domain
signature.verify(message, pubkey)
}

101
eth2/utils/bls/src/public_key.rs
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@@ -1,101 +0,0 @@
use super::SecretKey;
use bls_aggregates::PublicKey as RawPublicKey;
use hex::encode as hex_encode;
use serde::ser::{Serialize, Serializer};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
use std::default;
use std::hash::{Hash, Hasher};
/// A single BLS signature.
///
/// This struct is a wrapper upon a base type and provides helper functions (e.g., SSZ
/// serialization).
#[derive(Debug, Clone, Eq)]
pub struct PublicKey(RawPublicKey);
impl PublicKey {
pub fn from_secret_key(secret_key: &SecretKey) -> Self {
PublicKey(RawPublicKey::from_secret_key(secret_key.as_raw()))
}
/// Returns the underlying signature.
pub fn as_raw(&self) -> &RawPublicKey {
&self.0
}
/// Returns the last 6 bytes of the SSZ encoding of the public key, as a hex string.
///
/// Useful for providing a short identifier to the user.
pub fn concatenated_hex_id(&self) -> String {
let bytes = ssz_encode(self);
let end_bytes = &bytes[bytes.len().saturating_sub(6)..bytes.len()];
hex_encode(end_bytes)
}
}
impl default::Default for PublicKey {
fn default() -> Self {
let secret_key = SecretKey::random();
PublicKey::from_secret_key(&secret_key)
}
}
impl Encodable for PublicKey {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.0.as_bytes());
}
}
impl Decodable for PublicKey {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let raw_sig = RawPublicKey::from_bytes(&sig_bytes).map_err(|_| DecodeError::TooShort)?;
Ok((PublicKey(raw_sig), i))
}
}
impl Serialize for PublicKey {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_bytes(&ssz_encode(self))
}
}
impl TreeHash for PublicKey {
fn hash_tree_root(&self) -> Vec<u8> {
hash(&self.0.as_bytes())
}
}
impl PartialEq for PublicKey {
fn eq(&self, other: &PublicKey) -> bool {
ssz_encode(self) == ssz_encode(other)
}
}
impl Hash for PublicKey {
fn hash<H: Hasher>(&self, state: &mut H) {
ssz_encode(self).hash(state)
}
}
#[cfg(test)]
mod tests {
use super::*;
use ssz::ssz_encode;
#[test]
pub fn test_ssz_round_trip() {
let sk = SecretKey::random();
let original = PublicKey::from_secret_key(&sk);
let bytes = ssz_encode(&original);
let (decoded, _) = PublicKey::ssz_decode(&bytes, 0).unwrap();
assert_eq!(original, decoded);
}
}

65
eth2/utils/bls/src/secret_key.rs
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@@ -1,65 +0,0 @@
use bls_aggregates::{DecodeError as BlsDecodeError, SecretKey as RawSecretKey};
use ssz::{decode_ssz_list, Decodable, DecodeError, Encodable, SszStream, TreeHash};
/// A single BLS signature.
///
/// This struct is a wrapper upon a base type and provides helper functions (e.g., SSZ
/// serialization).
#[derive(Debug, PartialEq, Clone, Eq)]
pub struct SecretKey(RawSecretKey);
impl SecretKey {
pub fn random() -> Self {
SecretKey(RawSecretKey::random())
}
/// Instantiate a SecretKey from existing bytes.
///
/// Note: this is _not_ SSZ decoding.
pub fn from_bytes(bytes: &[u8]) -> Result<SecretKey, BlsDecodeError> {
Ok(SecretKey(RawSecretKey::from_bytes(bytes)?))
}
/// Returns the underlying secret key.
pub fn as_raw(&self) -> &RawSecretKey {
&self.0
}
}
impl Encodable for SecretKey {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.0.as_bytes());
}
}
impl Decodable for SecretKey {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let raw_sig = RawSecretKey::from_bytes(&sig_bytes).map_err(|_| DecodeError::TooShort)?;
Ok((SecretKey(raw_sig), i))
}
}
impl TreeHash for SecretKey {
fn hash_tree_root(&self) -> Vec<u8> {
self.0.as_bytes().clone()
}
}
#[cfg(test)]
mod tests {
use super::*;
use ssz::ssz_encode;
#[test]
pub fn test_ssz_round_trip() {
let original =
SecretKey::from_bytes("jzjxxgjajfjrmgodszzsgqccmhnyvetcuxobhtynojtpdtbj".as_bytes())
.unwrap();
let bytes = ssz_encode(&original);
let (decoded, _) = SecretKey::ssz_decode(&bytes, 0).unwrap();
assert_eq!(original, decoded);
}
}

107
eth2/utils/bls/src/signature.rs
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@@ -1,107 +0,0 @@
use super::{PublicKey, SecretKey};
use bls_aggregates::Signature as RawSignature;
use serde::ser::{Serialize, Serializer};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
/// A single BLS signature.
///
/// This struct is a wrapper upon a base type and provides helper functions (e.g., SSZ
/// serialization).
#[derive(Debug, PartialEq, Clone, Eq)]
pub struct Signature(RawSignature);
impl Signature {
/// Instantiate a new Signature from a message and a SecretKey.
pub fn new(msg: &[u8], sk: &SecretKey) -> Self {
Signature(RawSignature::new(msg, sk.as_raw()))
}
/// Instantiate a new Signature from a message and a SecretKey, where the message has already
/// been hashed.
pub fn new_hashed(msg_hashed: &[u8], sk: &SecretKey) -> Self {
Signature(RawSignature::new_hashed(msg_hashed, sk.as_raw()))
}
/// Verify the Signature against a PublicKey.
pub fn verify(&self, msg: &[u8], pk: &PublicKey) -> bool {
self.0.verify(msg, pk.as_raw())
}
/// Verify the Signature against a PublicKey, where the message has already been hashed.
pub fn verify_hashed(&self, msg_hash: &[u8], pk: &PublicKey) -> bool {
self.0.verify_hashed(msg_hash, pk.as_raw())
}
/// Returns the underlying signature.
pub fn as_raw(&self) -> &RawSignature {
&self.0
}
/// Returns a new empty signature.
pub fn empty_signature() -> Self {
let empty: Vec<u8> = vec![0; 97];
Signature(RawSignature::from_bytes(&empty).unwrap())
}
}
impl Encodable for Signature {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.0.as_bytes());
}
}
impl Decodable for Signature {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let raw_sig = RawSignature::from_bytes(&sig_bytes).map_err(|_| DecodeError::TooShort)?;
Ok((Signature(raw_sig), i))
}
}
impl TreeHash for Signature {
fn hash_tree_root(&self) -> Vec<u8> {
hash(&self.0.as_bytes())
}
}
impl Serialize for Signature {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_bytes(&ssz_encode(self))
}
}
#[cfg(test)]
mod tests {
use super::super::Keypair;
use super::*;
use ssz::ssz_encode;
#[test]
pub fn test_ssz_round_trip() {
let keypair = Keypair::random();
let original = Signature::new(&[42, 42], &keypair.sk);
let bytes = ssz_encode(&original);
let (decoded, _) = Signature::ssz_decode(&bytes, 0).unwrap();
assert_eq!(original, decoded);
}
#[test]
pub fn test_empty_signature() {
let sig = Signature::empty_signature();
let sig_as_bytes: Vec<u8> = sig.as_raw().as_bytes();
assert_eq!(sig_as_bytes.len(), 97);
for one_byte in sig_as_bytes.iter() {
assert_eq!(*one_byte, 0);
}
}
}