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Add comments to block_processing code

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This commit is contained in:
Paul Hauner
2019-03-06 16:24:56 +11:00
parent 40f74c9b26
commit 599948b26b
9 changed files with 258 additions and 81 deletions
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16
eth2/state_processing/src/per_block_processing/verify_deposit.rs
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@@ -1,22 +1,26 @@
use crate::errors::{DepositInvalid as Invalid, DepositValidationError as Error};
use ssz::TreeHash;
use types::beacon_state::helpers::verify_bitfield_length;
use types::*;
/// Verify validity of ``slashable_attestation`` fields.
/// Indicates if a `Deposit` is valid to be included in a block in the current epoch of the given
/// state.
///
/// Returns `Ok(())` if all fields are valid.
/// Returns `Ok(())` if the `Deposit` is valid, otherwise indicates the reason for invalidity.
///
/// Note: this function is incomplete.
///
/// Spec v0.4.0
pub fn verify_deposit(
state: &BeaconState,
deposit: &Deposit,
spec: &ChainSpec,
_spec: &ChainSpec,
) -> Result<(), Error> {
// TODO: verify serialized deposit data.
// TODO: verify deposit index.
verify!(deposit.index == state.deposit_index, Invalid::BadIndex);
verify!(
deposit.index == state.deposit_index,
Invalid::BadIndex(state.deposit_index, deposit.index)
);
// TODO: verify merkle branch.