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Modify genesis processing process.

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- Removed BeaconStateBuilder
- Added genesis code to `state_processing`.
This commit is contained in:
Paul Hauner
2019-03-17 23:11:07 +11:00
parent 8677b9e9cc
commit 816c2c651b
10 changed files with 234 additions and 274 deletions
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1
beacon_node/Cargo.toml
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@@ -19,6 +19,7 @@ slog = "^2.2.3"
slot_clock = { path = "../eth2/utils/slot_clock" }
slog-term = "^2.4.0"
slog-async = "^2.3.0"
state_processing = { path = "../eth2/state_processing" }
types = { path = "../eth2/types" }
ssz = { path = "../eth2/utils/ssz" }
tokio = "0.1"

63
beacon_node/src/main.rs
View File

@@ -18,10 +18,8 @@ use slog::{error, info, o, Drain};
use slot_clock::SystemTimeSlotClock;
use ssz::TreeHash;
use std::sync::Arc;
use types::{
beacon_state::BeaconStateBuilder, BeaconBlock, ChainSpec, Deposit, DepositData, DepositInput,
Eth1Data, Fork, Hash256, Keypair,
};
use types::test_utils::TestingBeaconStateBuilder;
use types::*;
fn main() {
let decorator = slog_term::TermDecorator::new().build();
@@ -79,61 +77,18 @@ fn main() {
let block_store = Arc::new(BeaconBlockStore::new(db.clone()));
let state_store = Arc::new(BeaconStateStore::new(db.clone()));
let state_builder = TestingBeaconStateBuilder::from_deterministic_keypairs(8, &spec);
let (genesis_state, _keypairs) = state_builder.build();
let mut genesis_block = BeaconBlock::empty(&spec);
genesis_block.state_root = Hash256::from_slice(&genesis_state.hash_tree_root());
// Slot clock
let genesis_time = 1_549_935_547; // 12th Feb 2018 (arbitrary value in the past).
let slot_clock = SystemTimeSlotClock::new(genesis_time, spec.seconds_per_slot)
let slot_clock = SystemTimeSlotClock::new(genesis_state.genesis_time, spec.seconds_per_slot)
.expect("Unable to load SystemTimeSlotClock");
// Choose the fork choice
let fork_choice = BitwiseLMDGhost::new(block_store.clone(), state_store.clone());
/*
* Generate some random data to start a chain with.
*
* This is will need to be replace for production usage.
*/
let latest_eth1_data = Eth1Data {
deposit_root: Hash256::zero(),
block_hash: Hash256::zero(),
};
let keypairs: Vec<Keypair> = (0..10)
.collect::<Vec<usize>>()
.iter()
.map(|_| Keypair::random())
.collect();
let initial_validator_deposits: Vec<Deposit> = keypairs
.iter()
.map(|keypair| {
let mut deposit_input = DepositInput {
pubkey: keypair.pk.clone(),
withdrawal_credentials: Hash256::zero(),
proof_of_possession: spec.empty_signature.clone(),
};
deposit_input.proof_of_possession = deposit_input.create_proof_of_possession(
&keypair.sk,
spec.genesis_epoch,
&Fork::genesis(&spec),
&spec,
);
Deposit {
proof: vec![], // branch verification is not specified.
index: 0, // index verification is not specified.
deposit_data: DepositData {
amount: 32_000_000_000, // 32 ETH (in Gwei)
timestamp: genesis_time - 1,
deposit_input,
},
}
})
.collect();
let mut state_builder = BeaconStateBuilder::new(genesis_time, latest_eth1_data, &spec);
state_builder.process_initial_deposits(&initial_validator_deposits, &spec);
let genesis_state = state_builder.build(&spec).unwrap();
let mut genesis_block = BeaconBlock::empty(&spec);
genesis_block.state_root = Hash256::from_slice(&genesis_state.hash_tree_root());
// Genesis chain
let _chain_result = BeaconChain::from_genesis(
state_store.clone(),