Merge pull request #18 from dsietz/development

Issue #17

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pbd"
-version = "0.0.7"
+version = "0.0.8"
 authors = ["dsietz <davidsietz@yahoo.com>"]
 edition = "2018"
 readme = "README.md"
@@ -25,10 +25,12 @@ path = "src/lib.rs"
 maintenance = {status = "actively-developed"}
 
 [features]
-default = ["dua"]
-dua = ["actix-web","actix-service","futures", "rayon", "reqwest"] # Data Usae Agreement funcitonality
+default = ["dua", "dtc"]
+dua = ["actix-web","actix-service","futures", "rayon", "reqwest"] # Data Usage Agreement funcitonality
+dtc =["pow_sha256"] # Data Tracker Chain functionality
 
 [dependencies]
+env_logger = "0.6"
 log = "0.4"
 serde ="1.0"
 serde_derive = "1.0"
@@ -39,4 +41,5 @@ reqwest = { version = "0.9", optional = true }
 actix-web = { version = "1.0.9", optional = true }
 actix-service = { version = "0.4.2", optional = true }
 futures = { version = "0.1", optional = true }
-rayon = { version = "1.2.1", optional = true }
+rayon = { version = "1.2.1", optional = true }
+pow_sha256 = { version = "0.2", optional = true }

README.md

@@ -16,15 +16,16 @@ For software development teams who implement Privacy by Design practices, this P
 
 ## What's New
 
-Here's whats new in 0.0.6:
+Here's whats new in 0.0.7:
 
 This project and codebase for this crate has change 
-1. Updated Data Usage Agreement feature
-   - actix-web middleware now checks the uri of the DUA to ensure they are valid (issue #14)
+1. Introduced the concept of Data Tracker Chains
+   - MarkerChain traits (issue #17)
 
 ## Features
 
 - Data Usage Agreements
+- Data Tracker Chain
 
 ## About
 

src/dtc/error.rs

@@ -0,0 +1,37 @@
+//! Data Tracker Chain specific Errors
+
+use std::error;
+use derive_more::Display;
+use actix_web::ResponseError;
+
+#[derive(Debug, Clone, Display)]
+pub enum Error {
+    /// Bad Data Uasage Agreement
+    #[display(fmt = "Invalid or Currupt Marker")]
+    BadMarker,
+    /// Bad format of Data Uasage Agreement
+    #[display(fmt = "Invalid Marker Chain")]
+    BadChain,
+} 
+
+impl error::Error for Error{}
+
+impl ResponseError for Error{}
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_error_marker_bad() {
+        let err = Error::BadMarker;
+        assert_eq!(format!("{}", err), "Invalid or Currupt Marker");
+    }
+
+    #[test]
+    fn test_error_chain_bad() {
+        let err = Error::BadChain;
+        assert_eq!(format!("{}", err), "Invalid Marker Chain");
+    }
+}