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Handle signing batches in the processor

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Duplicates the existing signer for one tailored to batch signing.
This commit is contained in:
Luke Parker
2023-04-10 11:11:46 -04:00
parent 82c34dcc76
commit d323fc8b7b
13 changed files with 576 additions and 69 deletions
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46
processor/messages/src/lib.rs
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@@ -106,12 +106,6 @@ pub mod sign {
Completed { key: Vec<u8>, id: [u8; 32], tx: Vec<u8> },
}
impl CoordinatorMessage {
pub fn required_block(&self) -> Option<BlockHash> {
None
}
}
#[derive(Clone, PartialEq, Eq, Debug, Zeroize, Serialize, Deserialize)]
pub enum ProcessorMessage {
// Created preprocess for the specified signing protocol.
@@ -123,6 +117,10 @@ pub mod sign {
}
impl CoordinatorMessage {
pub fn required_block(&self) -> Option<BlockHash> {
None
}
pub fn key(&self) -> &[u8] {
match self {
CoordinatorMessage::Preprocesses { id, .. } => &id.key,
@@ -134,41 +132,39 @@ pub mod sign {
}
pub mod coordinator {
use super::*;
use super::{sign::SignId, *};
#[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
pub enum CoordinatorMessage {
// The validators have off-chain agreeance on this block being finalized. That means it should
// be signed and published to Substrate.
BlockFinalized { key: Vec<u8>, block: BlockHash },
// Uses Vec<u8> instead of [u8; 64] since serde Deserialize isn't implemented for [u8; 64]
BlockPreprocesses { key: Vec<u8>, block: BlockHash, preprocesses: HashMap<Participant, Vec<u8>> },
BlockShares { key: Vec<u8>, block: BlockHash, shares: HashMap<Participant, [u8; 32]> },
BatchPreprocesses { id: SignId, preprocesses: HashMap<Participant, Vec<u8>> },
BatchShares { id: SignId, shares: HashMap<Participant, [u8; 32]> },
// Needed so a client which didn't participate in signing can still realize signing completed
BlockSigned { key: Vec<u8>, block: BlockHash, signature: Vec<u8> },
BatchSigned { key: Vec<u8>, block: BlockHash },
}
impl CoordinatorMessage {
pub fn required_block(&self) -> Option<BlockHash> {
Some(match self {
CoordinatorMessage::BlockFinalized { block, .. } => *block,
CoordinatorMessage::BlockPreprocesses { block, .. } => *block,
CoordinatorMessage::BlockShares { block, .. } => *block,
CoordinatorMessage::BlockSigned { block, .. } => *block,
CoordinatorMessage::BatchPreprocesses { id, .. } => BlockHash(id.id),
CoordinatorMessage::BatchShares { id, .. } => BlockHash(id.id),
CoordinatorMessage::BatchSigned { block, .. } => *block,
})
}
pub fn key(&self) -> &[u8] {
match self {
CoordinatorMessage::BatchPreprocesses { id, .. } => &id.key,
CoordinatorMessage::BatchShares { id, .. } => &id.key,
CoordinatorMessage::BatchSigned { key, .. } => key,
}
}
}
#[derive(Clone, PartialEq, Eq, Debug, Zeroize, Serialize, Deserialize)]
pub enum ProcessorMessage {
// This should become an inherent transaction by the block producer.
// As an inherent, this should be ~41 bytes per update.
// Ideally, we don't need to put finalized_block on chain though.
Block { key: Vec<u8>, latest_number: u64, finalized_block: BlockHash },
BlockPreprocess { key: Vec<u8>, block: BlockHash, preprocess: Vec<u8> },
BlockSign { key: Vec<u8>, block: BlockHash, share: [u8; 32] },
BatchPreprocess { id: SignId, preprocess: Vec<u8> },
BatchShare { id: SignId, share: [u8; 32] },
}
}