Updated validator dependencies

Cargo.lock

@@ -1500,14 +1500,17 @@ dependencies = [
  "built",
  "byteorder",
  "clap",
+ "config",
  "crypto",
  "directory-client",
+ "dirs",
  "dotenv",
  "futures 0.3.1",
  "healthcheck",
  "log",
  "pretty_env_logger",
  "serde",
+ "tempfile",
  "tokio 0.2.10",
  "toml",
  "topology",

validator/Cargo.toml

@@ -11,6 +11,7 @@ edition = "2018"
 abci = "0.6.4"
 byteorder = "1.3.2"
 clap = "2.33.0"
+dirs = "2.0.2"
 # Read notes https://crates.io/crates/dotenv - tl;dr: don't use in production, set environmental variables properly.
 dotenv = "0.15.0"
 futures = "0.3.1"
@@ -22,6 +23,7 @@ toml = "0.5.5"
 
 ## internal
 crypto = {path = "../common/crypto"}
+config = {path = "../common/config"}
 directory-client = { path = "../common/clients/directory-client" }
 healthcheck = {path = "../common/healthcheck" }
 topology = {path = "../common/topology"}
@@ -30,3 +32,8 @@ topology = {path = "../common/topology"}
 built = "0.3.2"
 
 [dev-dependencies]
+tempfile = "3.1.0"
+
+[features]
+qa = []
+local = []