spec v0.6.1: deposit processing (WIP)

eth2/types/src/deposit_input.rs

@@ -1,92 +0,0 @@
-use crate::test_utils::TestRandom;
-use crate::*;
-use bls::{PublicKey, Signature};
-
-use serde_derive::{Deserialize, Serialize};
-use ssz_derive::{Decode, Encode};
-use test_random_derive::TestRandom;
-use tree_hash::{SignedRoot, TreeHash};
-use tree_hash_derive::{CachedTreeHash, SignedRoot, TreeHash};
-
-/// The data supplied by the user to the deposit contract.
-///
-/// Spec v0.5.1
-#[derive(
-    Debug,
-    PartialEq,
-    Clone,
-    Serialize,
-    Deserialize,
-    Encode,
-    Decode,
-    SignedRoot,
-    TreeHash,
-    CachedTreeHash,
-    TestRandom,
-)]
-pub struct DepositInput {
-    pub pubkey: PublicKey,
-    pub withdrawal_credentials: Hash256,
-    #[signed_root(skip_hashing)]
-    pub proof_of_possession: Signature,
-}
-
-impl DepositInput {
-    /// Generate the 'proof_of_posession' signature for a given DepositInput details.
-    ///
-    /// Spec v0.5.1
-    pub fn create_proof_of_possession(
-        &self,
-        secret_key: &SecretKey,
-        epoch: Epoch,
-        fork: &Fork,
-        spec: &ChainSpec,
-    ) -> Signature {
-        let msg = self.signed_root();
-        let domain = spec.get_domain(epoch, Domain::Deposit, fork);
-
-        Signature::new(msg.as_slice(), domain, secret_key)
-    }
-
-    /// Verify that proof-of-possession is valid.
-    ///
-    /// Spec v0.5.1
-    pub fn validate_proof_of_possession(
-        &self,
-        epoch: Epoch,
-        fork: &Fork,
-        spec: &ChainSpec,
-    ) -> bool {
-        let msg = self.signed_root();
-        let domain = spec.get_domain(epoch, Domain::Deposit, fork);
-
-        self.proof_of_possession.verify(&msg, domain, &self.pubkey)
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    ssz_tests!(DepositInput);
-    cached_tree_hash_tests!(DepositInput);
-
-    #[test]
-    fn can_create_and_validate() {
-        let spec = ChainSpec::foundation();
-        let fork = Fork::genesis(&spec);
-        let keypair = Keypair::random();
-        let epoch = Epoch::new(0);
-
-        let mut deposit_input = DepositInput {
-            pubkey: keypair.pk.clone(),
-            withdrawal_credentials: Hash256::zero(),
-            proof_of_possession: Signature::empty_signature(),
-        };
-
-        deposit_input.proof_of_possession =
-            deposit_input.create_proof_of_possession(&keypair.sk, epoch, &fork, &spec);
-
-        assert!(deposit_input.validate_proof_of_possession(epoch, &fork, &spec));
-    }
-}