diff --git a/Cargo.lock b/Cargo.lock
index a23ac57b11..f2766c1dff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -107,6 +107,12 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
 
+[[package]]
+name = "autocfg"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+
 [[package]]
 name = "backtrace"
 version = "0.3.40"
@@ -255,12 +261,11 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.49"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e450b8da92aa6f274e7c6437692f9f2ce6d701fb73bacfcf87897b3f89a4c20e"
+checksum = "95e28fa049fda1c330bcf9d723be7663a899c4679724b34c81e9f5a326aab8cd"
 dependencies = [
  "jobserver",
- "num_cpus",
 ]
 
 [[package]]
@@ -409,7 +414,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5064ebdbf05ce3cb95e45c8b086f72263f4166b29b97f6baff7ef7fe047b55ac"
 dependencies = [
- "autocfg",
+ "autocfg 0.1.7",
  "cfg-if",
  "crossbeam-utils 0.7.0",
  "lazy_static",
@@ -442,7 +447,7 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce446db02cdc3165b94ae73111e570793400d0794e46125cc4056c81cbb039f4"
 dependencies = [
- "autocfg",
+ "autocfg 0.1.7",
  "cfg-if",
  "lazy_static",
 ]
@@ -541,6 +546,7 @@ dependencies = [
 name = "dotenv"
 version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
 [[package]]
 name = "dtoa"
@@ -565,9 +571,9 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.7.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
+checksum = "aafcde04e90a5226a6443b7aabdb016ba2f8307c847d524724bd9b346dd1a2d3"
 dependencies = [
  "atty",
  "humantime",
@@ -578,14 +584,15 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
 dependencies = [
- "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty",
+ "humantime",
+ "log",
+ "regex",
+ "termcolor",
 ]
 
 [[package]]
@@ -817,7 +824,7 @@ dependencies = [
  "libc",
  "libgit2-sys",
  "log",
- "url 2.1.0",
+ "url 2.1.1",
 ]
 
 [[package]]
@@ -911,14 +918,6 @@ dependencies = [
  "quick-error",
 ]
 
-[[package]]
-name = "humantime"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "hyper"
 version = "0.12.35"
@@ -990,7 +989,7 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712d7b3ea5827fcb9d4fda14bf4da5f136f0db2ae9c8f4bd4e2d1c6fde4e6db2"
 dependencies = [
- "autocfg",
+ "autocfg 0.1.7",
 ]
 
 [[package]]
@@ -1015,8 +1014,9 @@ dependencies = [
 name = "itertools"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f56a2d0bc861f9165be4eb3442afd3c236d8a98afd426f65d92324ae1091a484"
 dependencies = [
- "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either",
 ]
 
 [[package]]
@@ -1238,7 +1238,7 @@ version = "0.1.0"
 dependencies = [
  "log",
  "sphinx",
- "tokio 0.2.8",
+ "tokio 0.2.9",
 ]
 
 [[package]]
@@ -1290,21 +1290,21 @@ dependencies = [
 
 [[package]]
 name = "num-integer"
-version = "0.1.41"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b85e541ef8255f6cf42bbfe4ef361305c6c135d10919ecc26126c4e5ae94bc09"
+checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.0",
  "num-traits",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4c81ffc11c212fa327657cb19dd85eb7419e163b5b076bede2bdb5c974c07e4"
+checksum = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.0",
 ]
 
 [[package]]
@@ -1329,7 +1329,7 @@ dependencies = [
  "curve25519-dalek",
  "directory-client",
  "dirs",
- "env_logger",
+ "env_logger 0.7.1",
  "futures 0.3.1",
  "hex",
  "log",
@@ -1343,7 +1343,7 @@ dependencies = [
  "serde_json",
  "sfw-provider-requests",
  "sphinx",
- "tokio 0.2.8",
+ "tokio 0.2.9",
  "tokio-tungstenite",
  "topology",
  "tungstenite",
@@ -1361,7 +1361,7 @@ dependencies = [
  "directory-client",
  "futures 0.3.1",
  "sphinx",
- "tokio 0.2.8",
+ "tokio 0.2.9",
 ]
 
 [[package]]
@@ -1383,26 +1383,26 @@ dependencies = [
  "sfw-provider-requests",
  "sha2",
  "sphinx",
- "tokio 0.2.8",
+ "tokio 0.2.9",
 ]
 
 [[package]]
 name = "nym-validator"
 version = "0.1.0"
 dependencies = [
- "built 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "directory-client 0.1.0",
- "dotenv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "pretty_env_logger 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "sphinx 0.1.0",
- "tokio 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "topology 0.1.0",
+ "built",
+ "clap",
+ "directory-client",
+ "dotenv",
+ "futures 0.3.1",
+ "log",
+ "pretty_env_logger",
+ "serde",
+ "serde_derive",
+ "sphinx",
+ "tokio 0.2.9",
+ "toml",
+ "topology",
 ]
 
 [[package]]
@@ -1437,7 +1437,7 @@ version = "0.9.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "465d16ae7fc0e313318f7de5cecf57b2fbe7511fd213978b457e1c96ff46736f"
 dependencies = [
- "autocfg",
+ "autocfg 0.1.7",
  "cc",
  "libc",
  "pkg-config",
@@ -1541,10 +1541,11 @@ checksum = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
 name = "pretty_env_logger"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "717ee476b1690853d222af4634056d830b5197ffd747726a9a1eee6da9f49074"
 dependencies = [
- "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono",
+ "env_logger 0.6.2",
+ "log",
 ]
 
 [[package]]
@@ -1581,7 +1582,7 @@ dependencies = [
  "log",
  "sfw-provider-requests",
  "sphinx",
- "tokio 0.2.8",
+ "tokio 0.2.9",
 ]
 
 [[package]]
@@ -1594,7 +1595,7 @@ dependencies = [
  "idna 0.2.0",
  "lazy_static",
  "regex",
- "url 2.1.0",
+ "url 2.1.1",
 ]
 
 [[package]]
@@ -1618,7 +1619,7 @@ version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
 dependencies = [
- "autocfg",
+ "autocfg 0.1.7",
  "libc",
  "rand_chacha 0.1.1",
  "rand_core 0.4.2",
@@ -1650,7 +1651,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
 dependencies = [
- "autocfg",
+ "autocfg 0.1.7",
  "rand_core 0.3.1",
 ]
 
@@ -1755,7 +1756,7 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
 dependencies = [
- "autocfg",
+ "autocfg 0.1.7",
  "rand_core 0.4.2",
 ]
 
@@ -1797,9 +1798,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.3.1"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd"
+checksum = "b5508c1941e4e7cb19965abef075d35a9a8b5cdf0846f30b4050e9b55dc55e87"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1809,9 +1810,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.12"
+version = "0.6.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716"
+checksum = "e734e891f5b408a29efbf8309e656876276f49ab6a6ac208600b4419bd893d90"
 
 [[package]]
 name = "remove_dir_all"
@@ -2160,14 +2161,6 @@ dependencies = [
  "wincolor",
 ]
 
-[[package]]
-name = "termcolor"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "wincolor 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -2179,9 +2172,9 @@ dependencies = [
 
 [[package]]
 name = "thread_local"
-version = "0.3.6"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
+checksum = "88ddf1ad580c7e3d1efff877d972bcc93f995556b9087a5a259630985c88ceab"
 dependencies = [
  "lazy_static",
 ]
@@ -2218,9 +2211,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9d5acfe1b1130d50ac2286a2f1f8cf49309680366ceb7609ce369b75c9058d4"
+checksum = "ffa2fdcfa937b20cb3c822a635ceecd5fc1a27a6a474527e5516aa24b8c8820a"
 dependencies = [
  "bytes 0.5.3",
  "fnv",
@@ -2372,7 +2365,7 @@ dependencies = [
  "futures 0.3.1",
  "log",
  "pin-project",
- "tokio 0.2.8",
+ "tokio 0.2.9",
  "tungstenite",
 ]
 
@@ -2392,6 +2385,7 @@ dependencies = [
  "addressing",
  "base64 0.11.0",
  "curve25519-dalek",
+ "itertools",
  "log",
  "rand 0.7.2",
  "serde",
@@ -2429,7 +2423,7 @@ dependencies = [
  "native-tls",
  "rand 0.7.2",
  "sha-1",
- "url 2.1.0",
+ "url 2.1.1",
  "utf-8",
 ]
 
@@ -2491,9 +2485,9 @@ dependencies = [
 
 [[package]]
 name = "url"
-version = "2.1.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75b414f6c464c879d7f9babf951f23bc3743fb7313c081b2e6ca719067ea9d61"
+checksum = "829d4a8476c35c9bf0bbce5a3b23f4106f79728039b726d292bb93bc106787cb"
 dependencies = [
  "idna 0.2.0",
  "matches",
@@ -2597,14 +2591,6 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
-[[package]]
-name = "winapi-util"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -2621,15 +2607,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "wincolor"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "winreg"
 version = "0.6.2"
diff --git a/validator/src/validator/health_check/mod.rs b/validator/src/validator/health_check/mod.rs
index 7c1908c6f0..65007e0c3e 100644
--- a/validator/src/validator/health_check/mod.rs
+++ b/validator/src/validator/health_check/mod.rs
@@ -56,31 +56,29 @@ impl HealthCheckResult {
         HealthCheckResult(health)
     }
 
-    fn check_path(path: Vec<SphinxNode>) -> bool {
+    fn check_path(path: &Vec<SphinxNode>) -> bool {
         trace!("Checking path: {:?}", path);
+
         // TODO:
-        false
+        true
     }
 
     pub fn calculate<T: NymTopology>(topology: T) -> Self {
-        let all_paths = match current_topology.all_paths() {
+        let all_paths = match topology.all_paths() {
             Ok(paths) => paths,
             Err(_) => return Self::zero_score(topology),
         };
 
         // create entries for all nodes
         let mut score_map = HashMap::new();
-        current_topology
-            .get_mix_nodes()
-            .into_iter()
-            .for_each(|node| {
-                score_map.insert(
-                    NodeAddressBytes::from_b64_string(node.pub_key.clone()).0,
-                    NodeScore::from_mixnode(node),
-                );
-            });
+        topology.get_mix_nodes().into_iter().for_each(|node| {
+            score_map.insert(
+                NodeAddressBytes::from_b64_string(node.pub_key.clone()).0,
+                NodeScore::from_mixnode(node),
+            );
+        });
 
-        current_topology
+        topology
             .get_mix_provider_nodes()
             .into_iter()
             .for_each(|node| {
@@ -91,7 +89,7 @@ impl HealthCheckResult {
             });
 
         for path in all_paths {
-            let path_status = HealthCheckResult::check_path(path);
+            let path_status = HealthCheckResult::check_path(&path);
             for node in path {
                 // if value doesn't exist, something extremely weird must have happened
                 let current_score = score_map.get_mut(&node.pub_key.0);
@@ -103,7 +101,7 @@ impl HealthCheckResult {
             }
         }
 
-        HealthCheckResult(score_map.values().collect())
+        HealthCheckResult(score_map.drain().map(|(k, v)| v).collect())
     }
 }