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Cache deposit signature verification (#1298)

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* Bake in Altona testnet (without genesis state)

* Add sig verification, without optimization

* Start integration with genesis service

* Update config.yml

* Fix eth2_testnet_config test

* Stop using default spec in genesis

* Fix lcli compile error

* Update min genesis time

* Fix typo
This commit is contained in:
Paul Hauner
2020-06-26 11:43:06 +10:00
committed by GitHub
parent e3d9832fee
commit e0e41fc8e5
11 changed files with 195 additions and 71 deletions
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17
beacon_node/eth1/src/deposit_log.rs
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@@ -1,7 +1,10 @@
use super::http::Log;
use ssz::Decode;
use ssz_derive::{Decode, Encode};
use types::{DepositData, Hash256, PublicKeyBytes, SignatureBytes};
use state_processing::per_block_processing::signature_sets::{
deposit_pubkey_signature_message, deposit_signature_set,
};
use types::{ChainSpec, DepositData, Hash256, PublicKeyBytes, SignatureBytes};
/// The following constants define the layout of bytes in the deposit contract `DepositEvent`. The
/// event bytes are formatted according to the Ethereum ABI.
@@ -24,11 +27,13 @@ pub struct DepositLog {
pub block_number: u64,
/// The index included with the deposit log.
pub index: u64,
/// True if the signature is valid.
pub signature_is_valid: bool,
}
impl DepositLog {
/// Attempts to parse a raw `Log` from the deposit contract into a `DepositLog`.
pub fn from_log(log: &Log) -> Result<Self, String> {
pub fn from_log(log: &Log, spec: &ChainSpec) -> Result<Self, String> {
let bytes = &log.data;
let pubkey = bytes
@@ -58,10 +63,15 @@ impl DepositLog {
.map_err(|e| format!("Invalid signature ssz: {:?}", e))?,
};
let deposit_signature_message = deposit_pubkey_signature_message(&deposit_data, spec)
.ok_or_else(|| "Unable to prepare deposit signature verification".to_string())?;
let signature_is_valid = deposit_signature_set(&deposit_signature_message).is_valid();
Ok(DepositLog {
deposit_data,
block_number: log.block_number,
index: u64::from_ssz_bytes(index).map_err(|e| format!("Invalid index ssz: {:?}", e))?,
signature_is_valid,
})
}
}
@@ -70,6 +80,7 @@ impl DepositLog {
pub mod tests {
use super::*;
use crate::http::Log;
use types::{EthSpec, MainnetEthSpec};
/// The data from a deposit event, using the v0.8.3 version of the deposit contract.
pub const EXAMPLE_LOG: &[u8] = &[
@@ -103,6 +114,6 @@ pub mod tests {
block_number: 42,
data: EXAMPLE_LOG.to_vec(),
};
DepositLog::from_log(&log).expect("should decode log");
DepositLog::from_log(&log, &MainnetEthSpec::default_spec()).expect("should decode log");
}
}