feat(testutil/validatormock): port Charon validatormock to Rust

crates/eth2util/Cargo.toml

@@ -21,7 +21,6 @@ pbkdf2.workspace = true
 scrypt.workspace = true
 unicode-normalization.workspace = true
 zeroize.workspace = true
-pluto-testutil.workspace = true
 pluto-k1util.workspace = true
 chrono.workspace = true
 regex.workspace = true
@@ -41,8 +40,9 @@ reqwest = { workspace = true, features = ["json"] }
 url.workspace = true
 
 [dev-dependencies]
-tempfile.workspace = true
 assert-json-diff.workspace = true
+pluto-testutil.workspace = true
+tempfile.workspace = true
 test-case.workspace = true
 wiremock.workspace = true
 

crates/testutil/Cargo.toml

@@ -12,22 +12,31 @@ serde_json.workspace = true
 
 [dependencies]
 anyhow.workspace = true
+async-trait.workspace = true
 bon.workspace = true
 chrono.workspace = true
+futures = { workspace = true }
+hex.workspace = true
 k256.workspace = true
+pluto-core.workspace = true
 pluto-crypto.workspace = true
 pluto-eth2api.workspace = true
+pluto-eth2util.workspace = true
+pluto-ssz.workspace = true
 rand.workspace = true
-hex.workspace = true
+reqwest.workspace = true
+serde.workspace = true
 serde_json.workspace = true
+serde_with.workspace = true
 thiserror.workspace = true
 tokio.workspace = true
 tokio-util.workspace = true
+tracing.workspace = true
 tree_hash.workspace = true
 wiremock.workspace = true
 
 [dev-dependencies]
-reqwest.workspace = true
+assert-json-diff.workspace = true
 
 [lints]
 workspace = true

crates/testutil/src/lib.rs

@@ -14,8 +14,16 @@ pub mod random;
 /// Beacon node API mock utilities.
 pub mod beaconmock;
 
+/// Validator mock — drives validator-side duties against a [`BeaconMock`].
+pub mod validatormock;
+
 pub use beaconmock::{BeaconMock, MockState, Validator, ValidatorSet};
 pub use random::{
     random_deneb_versioned_attestation, random_eth2_signature, random_eth2_signature_bytes,
     random_root, random_root_bytes, random_slot, random_v_idx,
 };
+pub use validatormock::{
+    ActiveValidators, EndpointMatch, Error as ValidatorMockError, MetaEpoch, MetaSlot,
+    Result as ValidatorMockResult, Sign, SignError, SignFunc, Signer, SpecMeta, SubmissionCapture,
+    active_validators,
+};