chore: Add validator unit tests

crates/validator/Cargo.toml

@@ -40,3 +40,8 @@ tracing                = { workspace = true }
 build-rs = { workspace = true }
 
 [dev-dependencies]
+miden-node-store = { workspace = true }
+miden-node-utils = { features = ["testing"], workspace = true }
+miden-protocol   = { default-features = true, features = ["testing"], workspace = true }
+tempfile         = { workspace = true }
+tokio            = { features = ["macros", "rt-multi-thread"], workspace = true }

crates/validator/src/server/mod.rs

@@ -28,6 +28,9 @@ use crate::db::{insert_transaction, load, load_chain_tip, upsert_block_header};
 use crate::tx_validation::validate_transaction;
 use crate::{COMPONENT, ValidatorSigner};
 
+#[cfg(test)]
+mod tests;
+
 // VALIDATOR
 // ================================================================================