ValidatorIndex newtype

anchor/common/ssv_types/src/committee.rs

@@ -2,9 +2,6 @@ use crate::util::parse_rsa;
 use crate::{Operator, OperatorId};
 use derive_more::{Deref, From};
 use rsa::RsaPublicKey;
-use std::cmp::Eq;
-use std::fmt::Debug;
-use std::hash::Hash;
 use types::Domain;
 
 /// Unique identifier for a committee.

anchor/common/ssv_types/src/lib.rs

@@ -1,6 +1,6 @@
 pub use committee::{CommitteeId, CommitteeMember};
 pub use operator::{Operator, OperatorId};
-pub use share::SSVShare;
+pub use share::{SSVShare, ValidatorIndex};
 mod committee;
 mod operator;
 mod share;

anchor/common/ssv_types/src/share.rs

@@ -1,8 +1,11 @@
 use crate::CommitteeId;
+use derive_more::{Deref, From};
 use std::time::SystemTime;
 use types::{Address, Domain, Graffiti, PublicKey};
 
-type ValidatorIndex = usize;
+// Index of the validator in the validator registry.
+#[derive(Clone, Copy, Debug, Default, Eq, PartialEq, Hash, From, Deref)]
+pub struct ValidatorIndex(usize);
 
 /// Share of a key that a operator owns and its accompanying metadata.
 #[derive(Debug, Clone)]