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Provide a dedicated signature in Precommit of just the block hash

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Greatly simplifies verifying when syncing.
This commit is contained in:
Luke Parker
2022-10-17 02:32:45 -04:00
parent 1c71e25234
commit b993ff1cc8
4 changed files with 93 additions and 35 deletions
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15
substrate/tendermint/src/ext.rs
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@@ -14,6 +14,9 @@ impl<V: Send + Sync + Clone + Copy + PartialEq + Eq + Hash + Debug + Encode + De
{
}
pub trait Signature: Send + Sync + Clone + PartialEq + Debug + Encode + Decode {}
impl<S: Send + Sync + Clone + PartialEq + Debug + Encode + Decode> Signature for S {}
// Type aliases which are distinct according to the type system
#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, Encode, Decode)]
pub struct BlockNumber(pub u32);
@@ -22,14 +25,12 @@ pub struct Round(pub u16);
pub trait SignatureScheme: Send + Sync {
type ValidatorId: ValidatorId;
type Signature: Send + Sync + Clone + Copy + PartialEq + Debug + Encode + Decode;
type AggregateSignature: Send + Sync + Clone + PartialEq + Debug + Encode + Decode;
type Signature: Signature;
type AggregateSignature: Signature;
fn sign(&self, msg: &[u8]) -> Self::Signature;
#[must_use]
fn verify(&self, validator: Self::ValidatorId, msg: &[u8], sig: Self::Signature) -> bool;
// Intended to be a BLS signature, a Schnorr signature half-aggregation, or a Vec<Signature>.
fn aggregate(signatures: &[Self::Signature]) -> Self::AggregateSignature;
}
pub trait Weights: Send + Sync {
@@ -89,5 +90,9 @@ pub trait Network: Send + Sync {
fn validate(&mut self, block: &Self::Block) -> Result<(), BlockError>;
// Add a block and return the proposal for the next one
fn add_block(&mut self, block: Self::Block) -> Self::Block;
fn add_block(
&mut self,
block: Self::Block,
sigs: Vec<(Self::ValidatorId, <Self::SignatureScheme as SignatureScheme>::Signature)>,
) -> Self::Block;
}