slight corrections to attestation validation

lighthouse/state/mod.rs

@@ -16,3 +16,4 @@ pub mod shard_and_committee;
 pub mod transition;
 pub mod validator_record;
 pub mod validation;
+pub mod helpers;

lighthouse/state/validation/attestation_validation.rs

@@ -1,8 +1,8 @@
-use super::super::crystallized_state::CrystallizedState;
-use super::super::active_state::ActiveState;
-use super::super::attestation_record::AttestationRecord;
-use super::super::block::Block;
-use super::super::chain_config::ChainConfig;
+use super::CrystallizedState;
+use super::ActiveState;
+use super::AttestationRecord;
+use super::Block;
+use super::ChainConfig;
 
 use ::utils::errors::AttestationValidationError;
 
@@ -24,7 +24,7 @@ pub fn validate_attestation(
             return Err(AttestationValidationError::SlotTooLow(format!("Attestation slot number too low\n\tFound: {:?}, Needed greater than: {:?}", attestation.slot, block.slot_number - chain_config.cycle_length as u64)));
         }
 
-        return Ok(true);
+        Ok(true)
     }
 
 
@@ -50,7 +50,6 @@ mod tests {
         return (crystallized_state, active_state, attestation_record, block, chain_config);
     }
 
-
     #[test]
     fn test_attestation_validation_slot_high() {
         // generate standard state
@@ -71,7 +70,12 @@ mod tests {
         attestation_record.slot = 2;
         block.slot_number = 10;
 
-        let result = validate_attestation(&crystallized_state, &active_state, &attestation_record, &block, &chain_config);
+        let result = validate_attestation(
+            &crystallized_state,
+            &active_state,
+            &attestation_record,
+            &block,
+            &chain_config);
         //assert_eq!(result, Err(AttestationValidationError::SlotTooLow));
     }
 }

lighthouse/state/validation/mod.rs

@@ -1 +1,7 @@
+use super::crystallized_state::CrystallizedState;
+use super::active_state::ActiveState;
+use super::attestation_record::AttestationRecord;
+use super::block::Block;
+use super::chain_config::ChainConfig;
+
 mod attestation_validation;