Improve equals performance on Address (#8013)

* Improve equals performance operation on Address
* Use toArrayUnsafe instead of toArray to reduce GC overhead

Signed-off-by: Ameziane H. <ameziane.hamlat@consensys.net>
Co-authored-by: Sally MacFarlane <macfarla.github@gmail.com>

datatypes/src/main/java/org/hyperledger/besu/datatypes/Address.java

@@ -22,6 +22,7 @@
 import org.hyperledger.besu.ethereum.rlp.RLPException;
 import org.hyperledger.besu.ethereum.rlp.RLPInput;
 
+import java.util.Arrays;
 import java.util.concurrent.ExecutionException;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -291,4 +292,16 @@ public Hash addressHash() {
       return Hash.hash(this);
     }
   }
+
+  @Override
+  public boolean equals(final Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof Address)) {
+      return false;
+    }
+    Address other = (Address) obj;
+    return Arrays.equals(this.toArrayUnsafe(), other.toArrayUnsafe());
+  }
 }