From 9790968378d8ae36bf4c883c8622ee1682dd609d Mon Sep 17 00:00:00 2001
From: Paul Hauner <paul@paulhauner.com>
Date: Wed, 22 May 2019 12:19:13 +1000
Subject: [PATCH] Remove old `inclusion_distance` file

---
 .../src/per_epoch_processing.rs               |  1 -
 .../inclusion_distance.rs                     | 64 -------------------
 2 files changed, 65 deletions(-)
 delete mode 100644 eth2/state_processing/src/per_epoch_processing/inclusion_distance.rs

diff --git a/eth2/state_processing/src/per_epoch_processing.rs b/eth2/state_processing/src/per_epoch_processing.rs
index 5e37877e41..d261b8b47c 100644
--- a/eth2/state_processing/src/per_epoch_processing.rs
+++ b/eth2/state_processing/src/per_epoch_processing.rs
@@ -10,7 +10,6 @@ use winning_root::{winning_root, WinningRoot};
 
 pub mod apply_rewards;
 pub mod errors;
-pub mod inclusion_distance;
 pub mod process_slashings;
 pub mod registry_updates;
 pub mod tests;
diff --git a/eth2/state_processing/src/per_epoch_processing/inclusion_distance.rs b/eth2/state_processing/src/per_epoch_processing/inclusion_distance.rs
deleted file mode 100644
index a9e0b7950b..0000000000
--- a/eth2/state_processing/src/per_epoch_processing/inclusion_distance.rs
+++ /dev/null
@@ -1,64 +0,0 @@
-use super::errors::InclusionError;
-use types::*;
-
-/// Returns the distance between the first included attestation for some validator and this
-/// slot.
-///
-/// Spec v0.5.1
-pub fn inclusion_distance<T: EthSpec>(
-    state: &BeaconState<T>,
-    attestations: &[&PendingAttestation],
-    validator_index: usize,
-    spec: &ChainSpec,
-) -> Result<u64, InclusionError> {
-    let attestation = earliest_included_attestation(state, attestations, validator_index, spec)?;
-    // Ok((attestation.inclusion_slot - attestation.data.slot).as_u64())
-    // FIXME(sproul)
-    unimplemented!()
-}
-
-/// Returns the slot of the earliest included attestation for some validator.
-///
-/// Spec v0.5.1
-pub fn inclusion_slot<T: EthSpec>(
-    state: &BeaconState<T>,
-    attestations: &[&PendingAttestation],
-    validator_index: usize,
-    spec: &ChainSpec,
-) -> Result<Slot, InclusionError> {
-    /*
-    let attestation = earliest_included_attestation(state, attestations, validator_index, spec)?;
-    Ok(attestation.inclusion_slot)
-    */
-    unimplemented!("FIXME(sproul) inclusion slot")
-}
-
-/// Finds the earliest included attestation for some validator.
-///
-/// Spec v0.5.1
-fn earliest_included_attestation<T: EthSpec>(
-    state: &BeaconState<T>,
-    attestations: &[&PendingAttestation],
-    validator_index: usize,
-    spec: &ChainSpec,
-) -> Result<PendingAttestation, InclusionError> {
-    // FIXME(sproul)
-    unimplemented!()
-    /*
-    let mut included_attestations = vec![];
-
-    for (i, a) in attestations.iter().enumerate() {
-        let participants =
-            get_attestation_participants(state, &a.data, &a.aggregation_bitfield, spec)?;
-        if participants.iter().any(|i| *i == validator_index) {
-            included_attestations.push(i);
-        }
-    }
-
-    let earliest_attestation_index = included_attestations
-        .iter()
-        .min_by_key(|i| attestations[**i].inclusion_slot)
-        .ok_or_else(|| InclusionError::NoAttestationsForValidator)?;
-    Ok(attestations[*earliest_attestation_index].clone())
-    */
-}