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spec v0.6.1: deposit processing (WIP)

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This commit is contained in:
Michael Sproul
2019-05-21 18:02:31 +10:00
parent 468dc2ceb0
commit 545fb10005
4 changed files with 37 additions and 130 deletions
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34
eth2/state_processing/src/per_block_processing.rs
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@@ -89,11 +89,9 @@ fn per_block_processing_signature_optional<T: EthSpec>(
process_proposer_slashings(&mut state, &block.body.proposer_slashings, spec)?;
process_attester_slashings(&mut state, &block.body.attester_slashings, spec)?;
process_attestations(&mut state, &block.body.attestations, spec)?;
/*
process_deposits(&mut state, &block.body.deposits, spec)?;
process_exits(&mut state, &block.body.voluntary_exits, spec)?;
process_transfers(&mut state, &block.body.transfers, spec)?;
*/
Ok(())
}
@@ -350,21 +348,24 @@ pub fn process_attestations<T: EthSpec>(
Ok(())
}
/*
/// Validates each `Deposit` and updates the state, short-circuiting on an invalid object.
///
/// Returns `Ok(())` if the validation and state updates completed successfully, otherwise returns
/// an `Err` describing the invalid object or cause of failure.
///
/// Spec v0.5.1
/// Spec v0.6.1
pub fn process_deposits<T: EthSpec>(
state: &mut BeaconState<T>,
deposits: &[Deposit],
spec: &ChainSpec,
) -> Result<(), Error> {
verify!(
deposits.len() as u64 <= spec.max_deposits,
Invalid::MaxDepositsExceeded
deposits.len() as u64
== std::cmp::min(
spec.max_deposits,
state.latest_eth1_data.deposit_count - state.deposit_index
),
Invalid::DepositCountInvalid
);
// Verify deposits in parallel.
@@ -391,28 +392,28 @@ pub fn process_deposits<T: EthSpec>(
let validator_index =
get_existing_validator_index(state, deposit).map_err(|e| e.into_with_index(i))?;
let deposit_data = &deposit.deposit_data;
let deposit_input = &deposit.deposit_data.deposit_input;
let amount = deposit.data.amount;
if let Some(index) = validator_index {
// Update the existing validator balance.
safe_add_assign!(
state.validator_balances[index as usize],
deposit_data.amount
);
safe_add_assign!(state.balances[index as usize], amount);
} else {
// Create a new validator.
let validator = Validator {
pubkey: deposit_input.pubkey.clone(),
withdrawal_credentials: deposit_input.withdrawal_credentials,
pubkey: deposit.data.pubkey.clone(),
withdrawal_credentials: deposit.data.withdrawal_credentials,
activation_eligibility_epoch: spec.far_future_epoch,
activation_epoch: spec.far_future_epoch,
exit_epoch: spec.far_future_epoch,
withdrawable_epoch: spec.far_future_epoch,
initiated_exit: false,
effective_balance: std::cmp::min(
amount - amount % spec.effective_balance_increment,
spec.max_effective_balance,
),
slashed: false,
};
state.validator_registry.push(validator);
state.validator_balances.push(deposit_data.amount);
state.balances.push(deposit.data.amount);
}
state.deposit_index += 1;
@@ -482,4 +483,3 @@ pub fn process_transfers<T: EthSpec>(
Ok(())
}
*/