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Store pubkey cache decompressed on disk (#5897)

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* Support uncompressed keys in crypto/bls

* Use uncompressed keys in cache

* Implement DB upgrade

* Implement downgrade

* More logging on v20 upgrade

* Revert "More logging on v20 upgrade"

This reverts commit cc5789b9d3.

* Merge remote-tracking branch 'origin/unstable' into uncompressed-pubkeys

* Add a little more logging

* Merge remote-tracking branch 'origin/unstable' into uncompressed-pubkeys
This commit is contained in:
Michael Sproul
2024-07-04 14:27:41 +10:00
committed by GitHub
parent d9ad1f5bfa
commit d84e3e391e
10 changed files with 199 additions and 25 deletions
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24
crypto/bls/src/generic_public_key.rs
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@@ -11,6 +11,9 @@ use tree_hash::TreeHash;
/// The byte-length of a BLS public key when serialized in compressed form.
pub const PUBLIC_KEY_BYTES_LEN: usize = 48;
/// The byte-length of a BLS public key when serialized in uncompressed form.
pub const PUBLIC_KEY_UNCOMPRESSED_BYTES_LEN: usize = 96;
/// Represents the public key at infinity.
pub const INFINITY_PUBLIC_KEY: [u8; PUBLIC_KEY_BYTES_LEN] = [
0xc0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -23,8 +26,17 @@ pub trait TPublicKey: Sized + Clone {
/// Serialize `self` as compressed bytes.
fn serialize(&self) -> [u8; PUBLIC_KEY_BYTES_LEN];
/// Serialize `self` as uncompressed bytes.
fn serialize_uncompressed(&self) -> [u8; PUBLIC_KEY_UNCOMPRESSED_BYTES_LEN];
/// Deserialize `self` from compressed bytes.
fn deserialize(bytes: &[u8]) -> Result<Self, Error>;
/// Deserialize `self` from uncompressed bytes.
///
/// This function *does not* perform thorough checks of the input bytes and should only be
/// used with bytes output from `Self::serialize_uncompressed`.
fn deserialize_uncompressed(bytes: &[u8]) -> Result<Self, Error>;
}
/// A BLS public key that is generic across some BLS point (`Pub`).
@@ -65,6 +77,11 @@ where
self.point.serialize()
}
/// Serialize `self` as uncompressed bytes.
pub fn serialize_uncompressed(&self) -> [u8; PUBLIC_KEY_UNCOMPRESSED_BYTES_LEN] {
self.point.serialize_uncompressed()
}
/// Deserialize `self` from compressed bytes.
pub fn deserialize(bytes: &[u8]) -> Result<Self, Error> {
if bytes == &INFINITY_PUBLIC_KEY[..] {
@@ -75,6 +92,13 @@ where
})
}
}
/// Deserialize `self` from compressed bytes.
pub fn deserialize_uncompressed(bytes: &[u8]) -> Result<Self, Error> {
Ok(Self {
point: Pub::deserialize_uncompressed(bytes)?,
})
}
}
impl<Pub: TPublicKey> Eq for GenericPublicKey<Pub> {}