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Break BeaconChainHarness validator gen into fn

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This commit is contained in:
Paul Hauner 2019-03-08 10:50:43 +11:00
parent 9a964be58b
commit b98f514d68
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GPG Key ID: D362883A9218FCC6
2 changed files with 59 additions and 35 deletions
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40
beacon_node/beacon_chain/test_harness/src/beacon_chain_harness.rs
View File

@ -1,12 +1,12 @@
use super::ValidatorHarness;
use beacon_chain::{BeaconChain, BlockProcessingOutcome};
pub use beacon_chain::{BeaconChainError, CheckPoint};
use bls::{create_proof_of_possession, get_withdrawal_credentials};
use db::{
stores::{BeaconBlockStore, BeaconStateStore},
MemoryDB,
};
use fork_choice::BitwiseLMDGhost;
use generate_deposits::generate_deposits_with_random_keypairs;
use log::debug;
use rayon::prelude::*;
use slot_clock::TestingSlotClock;
@ -15,6 +15,8 @@ use std::iter::FromIterator;
use std::sync::Arc;
use types::*;
mod generate_deposits;
/// The beacon chain harness simulates a single beacon node with `validator_count` validators connected
/// to it. Each validator is provided a borrow to the beacon chain, where it may read
/// information and submit blocks/attestations for processing.
@ -47,40 +49,8 @@ impl BeaconChainHarness {
block_hash: Hash256::zero(),
};
debug!("Generating validator keypairs...");
let keypairs: Vec<Keypair> = (0..validator_count)
.collect::<Vec<usize>>()
.par_iter()
.map(|_| Keypair::random())
.collect();
debug!("Creating validator deposits...");
let initial_validator_deposits = keypairs
.par_iter()
.map(|keypair| Deposit {
branch: 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: DepositInput {
pubkey: keypair.pk.clone(),
// Validator can withdraw using their main keypair.
withdrawal_credentials: Hash256::from_slice(
&get_withdrawal_credentials(
&keypair.pk,
spec.bls_withdrawal_prefix_byte,
)[..],
),
proof_of_possession: create_proof_of_possession(&keypair),
},
},
})
.collect();
debug!("Creating the BeaconChain...");
let (keypairs, initial_validator_deposits) =
generate_deposits_with_random_keypairs(validator_count, genesis_time, &spec);
// Create the Beacon Chain
let beacon_chain = Arc::new(

54
beacon_node/beacon_chain/test_harness/src/beacon_chain_harness/generate_deposits.rs Normal file
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@ -0,0 +1,54 @@
use bls::{create_proof_of_possession, get_withdrawal_credentials};
use log::debug;
use rayon::prelude::*;
use types::*;
/// Generates `validator_count` deposits using randomly generated keypairs and some default specs
/// for the deposits.
pub fn generate_deposits_with_random_keypairs(
validator_count: usize,
genesis_time: u64,
spec: &ChainSpec,
) -> (Vec<Keypair>, Vec<Deposit>) {
debug!(
"Generating {} random validator keypairs...",
validator_count
);
let keypairs: Vec<Keypair> = (0..validator_count)
.collect::<Vec<usize>>()
.par_iter()
.map(|_| Keypair::random())
.collect();
debug!(
"Generating {} validator deposits from random keypairs...",
validator_count
);
let initial_validator_deposits =
keypairs
.par_iter()
.map(|keypair| Deposit {
branch: 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: DepositInput {
pubkey: keypair.pk.clone(),
// Validator can withdraw using their main keypair.
withdrawal_credentials: Hash256::from_slice(
&get_withdrawal_credentials(
&keypair.pk,
spec.bls_withdrawal_prefix_byte,
)[..],
),
proof_of_possession: create_proof_of_possession(&keypair),
},
},
})
.collect();
(keypairs, initial_validator_deposits)
}