Refactoring the error modules to now contain sub-error types

This isn't ideal yet but good enough for now. Errors can be
added via a new variant in lockchain::errors::Error easily

12 files changed, 329 insertions, 189 deletions

diff --git a/Cargo.lock b/Cargo.lock
index ae40581..9cafecf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
  "failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "skeptic 0.13.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -40,21 +40,21 @@ dependencies = [
  "h2 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "http-range 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "httparse 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime_guess 2.0.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.0-alpha.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -88,7 +88,7 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -126,7 +126,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace-sys 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -136,11 +136,11 @@ dependencies = [
 
 [[package]]
 name = "backtrace"
-version = "0.3.8"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace-sys 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -276,14 +276,14 @@ dependencies = [
 
 [[package]]
 name = "cargo_metadata"
-version = "0.5.6"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -293,7 +293,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cfg-if"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -303,20 +303,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "clap"
-version = "2.31.2"
+version = "2.32.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -397,7 +397,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -411,7 +411,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -423,7 +423,7 @@ name = "crossbeam-utils"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -431,7 +431,7 @@ name = "crossbeam-utils"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -546,7 +546,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "humantime 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -564,7 +564,7 @@ name = "error-chain"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -572,7 +572,7 @@ name = "error-chain"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -580,7 +580,7 @@ name = "failure"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -665,7 +665,7 @@ dependencies = [
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "string 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -706,7 +706,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "httparse"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -738,7 +738,7 @@ version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "xdg 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -757,7 +757,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "error-chain 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "socket2 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "socket2 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "widestring 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "winreg 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -786,9 +786,9 @@ dependencies = [
  "blake2 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "pbkdf2 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -840,9 +840,9 @@ dependencies = [
  "nix 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pam-auth 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -851,8 +851,8 @@ version = "0.7.1"
 dependencies = [
  "lockchain-core 0.8.2",
  "miscreant 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -871,15 +871,15 @@ dependencies = [
  "env_logger 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "lockchain-core 0.8.2",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "lockchain-server"
 version = "0.1.0"
 dependencies = [
- "clap 2.31.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "insult 2.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lockchain-core 0.8.2",
  "lockchain-files 0.7.2",
@@ -888,10 +888,10 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -922,7 +922,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "mime"
-version = "0.3.7"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicase 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -930,10 +930,10 @@ dependencies = [
 
 [[package]]
 name = "mime_guess"
-version = "2.0.0-alpha.4"
+version = "2.0.0-alpha.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "mime 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_codegen 0.7.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -959,9 +959,9 @@ dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -982,7 +982,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1006,10 +1006,10 @@ dependencies = [
 
 [[package]]
 name = "net2"
-version = "0.2.32"
+version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1021,7 +1021,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1219,7 +1219,7 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1272,7 +1272,7 @@ name = "regex"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1350,7 +1350,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1360,27 +1360,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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-version = "1.0.66"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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-version = "1.0.66"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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  "quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.14.4 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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-version = "1.0.21"
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- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1390,7 +1390,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1410,11 +1410,11 @@ version = "0.13.3"
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- "cargo_metadata 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cargo_metadata 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
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- "serde_json 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.22 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1431,10 +1431,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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-version = "0.3.6"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1472,7 +1472,7 @@ dependencies = [
 
 [[package]]
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-version = "0.14.2"
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@@ -1526,7 +1526,7 @@ dependencies = [
 
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@@ -1586,7 +1586,7 @@ dependencies = [
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  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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  "scoped-tls 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1621,7 +1621,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1630,7 +1630,7 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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  "tokio-executor 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1671,7 +1671,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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  "tokio-executor 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1693,7 +1693,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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  "tokio-io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1710,7 +1710,7 @@ dependencies = [
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  "idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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  "tokio-io 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1726,7 +1726,7 @@ dependencies = [
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  "lazy_static 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -1829,7 +1829,7 @@ name = "uuid"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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 ]
 
@@ -1934,12 +1934,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum actix-web 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)" = "e35bb192338dc7726564b0bdf2d49d43cbf4c7845231a82527f5f302bdb8f477"
 "checksum actix_derive 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c4b1dc922654b9aca7a8a31eab875fde804fa9fbd67f220f2e457787b23590f2"
 "checksum aesni 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5e88c3698cd61460af7bdbcc747d0e37b61255492fcfc81845dd4666f3bf6714"
-"checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
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 "checksum backtrace 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "346d7644f0b5f9bc73082d3b2236b69a05fd35cce0cfa3724e184e6a5c9e2a2f"
-"checksum backtrace 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "dbdd17cd962b570302f5297aea8648d5923e22e555c2ed2d8b2e34eca646bf6d"
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 "checksum backtrace-sys 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)" = "bff67d0c06556c0b8e6b5f090f0eac52d950d9dfd1d35ba04e4ca3543eaf6a7e"
 "checksum base64 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "96434f987501f0ed4eb336a411e0631ecd1afa11574fe148587adc4ff96143c9"
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@@ -1956,11 +1956,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum bytecount 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "882585cd7ec84e902472df34a5e01891202db3bf62614e1f0afe459c1afcf744"
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-"checksum cargo_metadata 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "682476b87b3e22cd3820d86b26cd8603cd84ab76dce7547b2631858347aa8967"
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 "checksum clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "97276801e127ffb46b66ce23f35cc96bd454fa311294bced4bbace7baa8b1d17"
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@@ -2006,7 +2006,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum hostname 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "21ceb46a83a85e824ef93669c8b390009623863b5c195d1ba747292c0c72f94e"
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@@ -2022,19 +2022,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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 "checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
@@ -2060,7 +2060,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e44651a0dc4cdd99f71c83b561e221f714912d11af1a4dff0631f923d53af035"
 "checksum rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "15a732abf9d20f0ad8eeb6f909bf6868722d9a06e1e50802b6a70351f40b4eb1"
 "checksum rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eba5f8cb59cc50ed56be8880a5c7b496bfd9bd26394e176bc67884094145c2c5"
-"checksum rand 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d0d9f869af32e387d9e0f2bdb64326b8ac84c81d5e55459d0bc7526b0fdb3671"
+"checksum rand 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6802c0e883716383777e147b7c21323d5de7527257c8b6dc1365a7f2983e90f6"
 "checksum rand_core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "edecf0f94da5551fc9b492093e30b041a891657db7940ee221f9d2f66e82eef2"
 "checksum rayon 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b614fe08b6665cb9a231d07ac1364b0ef3cb3698f1239ee0c4c3a88a524f54c8"
 "checksum rayon-core 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d24ad214285a7729b174ed6d3bcfcb80177807f959d95fafd5bfc5c4f201ac8"
@@ -2078,28 +2078,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)" = "e9a2d9a9ac5120e0f768801ca2b58ad6eec929dc9d1d616c162f208869c2ce95"
-"checksum serde_derive 1.0.66 (registry+https://github.com/rust-lang/crates.io-index)" = "0a90213fa7e0f5eac3f7afe2d5ff6b088af515052cc7303bd68c7e3b91a3fb79"
-"checksum serde_json 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)" = "eb40600c756f02d7ea34943626cefa85732fdae5f95b90b31f9797b3c526d1e6"
+"checksum serde 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)" = "210e5a3b159c566d7527e9b22e44be73f2e0fcc330bb78fef4dbccb56d2e74c8"
+"checksum serde_derive 1.0.69 (registry+https://github.com/rust-lang/crates.io-index)" = "dd724d68017ae3a7e63600ee4b2fdb3cad2158ffd1821d44aff4580f63e2b593"
+"checksum serde_json 1.0.22 (registry+https://github.com/rust-lang/crates.io-index)" = "84b8035cabe9b35878adec8ac5fe03d5f6bc97ff6edd7ccb96b44c1276ba390e"
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-"checksum socket2 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "06dc9f86ee48652b7c80f3d254e3b9accb67a928c562c64d10d7b016d3d98dab"
+"checksum socket2 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "962a516af4d3a7c272cb3a1d50a8cc4e5b41802e4ad54cfb7bee8ba61d37d703"
 "checksum stable_deref_trait 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ffbc596e092fe5f598b12ef46cc03754085ac2f4d8c739ad61c4ae266cc3b3fa"
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diff --git a/lockchain-core/src/errors.rs b/lockchain-core/src/errors.rs
deleted file mode 100644
index 4720031..0000000
--- a/lockchain-core/src/errors.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-//! Common lockchain error handling
-//!
-//! When working with a lockchain vault or record set
-//! there are a lot of things that can go wrong.
-//!
-//! This module handles any generic failure condition
-//! and logic to escallate from one to the next, e.g.
-//! turning a `VaultAlreadyExists` failure to
-//! a `FailedInitialise`.
-
-use std::error;
-use std::fmt::{Display, Formatter, Result};
-// use serde::{Serialize, de::DeserializeOwned};
-
-/// A collection of common error codes that can be
-/// returned by lockchain API functions
-#[derive(Debug, Serialize, Deserialize)]
-pub enum Error {
-    /// Provide an extended range for errors
-    Extended {
-        name: String,
-        into: (),
-    },
-    /// Creating a vault where one already exists
-    VaultAlreadyExists,
-    /// When providing an invalid path
-    InvalidPath,
-    /// When providing an invalid name (unprintable characters, empty, etc)
-    InvalidName,
-    /// Provided crypto layer is lacking features or missing
-    InvalidCryptoLayer,
-    /// Failed to initialise cryptography module
-    FailedCrypto,
-    /// Failed the internal self-test
-    FailedSelfTest,
-    /// Failed loading a file or vault
-    FailedLoading,
-    /// Failed to initialise a module
-    FailedInitalise,
-    /// Failed to create a new record, entry or vault
-    FailedCreation,
-    /// An unknown error occured =/
-    UnknownFailure,
-    // #[hidden_docs]
-    __NonExhaustive,
-}
-
-impl error::Error for Error {}
-
-impl Display for Error {
-    fn fmt(&self, f: &mut Formatter) -> Result {
-        write!(
-            f,
-            "{}",
-            match self {
-                Error::VaultAlreadyExists => "Vault already exists",
-                Error::InvalidPath => "Path invalid",
-                Error::InvalidName => "Name invalid",
-                Error::InvalidCryptoLayer => "Cryptography layer incompatible",
-                Error::FailedCrypto => "Failed cryptographic operation",
-                Error::FailedSelfTest => "Failed self text",
-                Error::FailedLoading => "Failed to load",
-                Error::FailedInitalise => "Failed to initialise",
-                Error::FailedCreation => "Failed to create",
-                _ => "Unknown failure",
-            }
-        )
-    }
-}
diff --git a/lockchain-core/src/errors/auth.rs b/lockchain-core/src/errors/auth.rs
new file mode 100644
index 0000000..32ce33a
--- /dev/null
+++ b/lockchain-core/src/errors/auth.rs
@@ -0,0 +1,29 @@
+//! Athentication errors
+
+use std::error::Error as StdError;
+use std::fmt::{Display, Formatter, Result};
+
+/// Common errors that can occur when authenticating users
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Error {
+    /// Forking an authentication task failed
+    FailedFork,
+    /// Failed to authenticate via PAM due to a PAM related issue
+    FailedPAM,
+    /// The provided user either doesn't exist or is not authorised
+    UserNotAuthorised,
+}
+
+impl StdError for Error {}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                _ => "Unknown failure",
+            }
+        )
+    }
+}
diff --git a/lockchain-core/src/errors/crypto.rs b/lockchain-core/src/errors/crypto.rs
new file mode 100644
index 0000000..a0c12a2
--- /dev/null
+++ b/lockchain-core/src/errors/crypto.rs
@@ -0,0 +1,28 @@
+//! I sell crypto and crypto accessories (errors)
+
+use std::error::Error as StdError;
+use std::fmt::{Display, Formatter, Result};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Error {
+    /// Provided crypto layer is lacking features or missing
+    InvalidCryptoLayer,
+    /// Failed to initialise cryptography module
+    FailedCrypto,
+    /// Invalid key or user identity
+    FailedKey,
+}
+
+impl StdError for Error {}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                _ => "Unknown failure",
+            }
+        )
+    }
+}
diff --git a/lockchain-core/src/errors/data.rs b/lockchain-core/src/errors/data.rs
new file mode 100644
index 0000000..b854d37
--- /dev/null
+++ b/lockchain-core/src/errors/data.rs
@@ -0,0 +1,23 @@
+//! Data integrity errors
+
+use std::error::Error as StdError;
+use std::fmt::{Display, Formatter, Result};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Error {
+
+}
+
+impl StdError for Error {}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                _ => "Unknown failure",
+            }
+        )
+    }
+}
diff --git a/lockchain-core/src/errors/mod.rs b/lockchain-core/src/errors/mod.rs
new file mode 100644
index 0000000..d6347a1
--- /dev/null
+++ b/lockchain-core/src/errors/mod.rs
@@ -0,0 +1,55 @@
+//! Common lockchain error handling
+//!
+//! `Error` is a wrapper type around many different errors
+//! that are provided by different parts of
+//! the `lockchain-core` crate.
+//!
+//! It also re-exports those error types so that a user can use
+//! the error handling module simply by including `lockchain_core::errors::*`
+
+mod auth;
+mod crypto;
+mod data;
+mod vault;
+
+pub use self::auth::Error as AuthError;
+pub use self::crypto::Error as CryptoError;
+pub use self::data::Error as DataError;
+pub use self::vault::Error as VaultError;
+
+use std::error::Error as StdError;
+use std::fmt::{Display, Formatter, Result};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Error {
+    /// A basic vault operation error
+    Vault(VaultError),
+    /// Errors occuring during authentication
+    Auth(AuthError),
+    /// Cryptographic errors
+    Crypto(CryptoError),
+    /// Data integrity or retrieval errors
+    Data(DataError),
+    /// Make sure we don't break user code with new options
+    #[doc(hidden)]
+    __NonExhaustive,
+}
+
+impl StdError for Error {}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        use self::Error::*;
+        write!(
+            f,
+            "{}",
+            match self {
+                Vault(ee) => format!("VaultError: {}", ee),
+                Auth(ee) => format!("AuthError: {}", ee),
+                Crypto(ee) => format!("CryptoError: {}", ee),
+                Data(ee) => format!("DataError: {}", ee),
+                _ => "Unknown error".into(),
+            }
+        )
+    }
+}
diff --git a/lockchain-core/src/errors/vault.rs b/lockchain-core/src/errors/vault.rs
new file mode 100644
index 0000000..bcfcd13
--- /dev/null
+++ b/lockchain-core/src/errors/vault.rs
@@ -0,0 +1,58 @@
+//! Vault workflow and I/O errors
+
+use std::error::Error as StdError;
+use std::fmt::{Display, Formatter, Result};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Error {
+    /// A vault already exists with that path-id
+    AlreadyExists,
+    /// The provided path is invalid
+    InvalidPath,
+    /// The provided name is invalid
+    /// 
+    /// This usually means the backing storage doesn't support some
+    /// character in the name which can sometimes occur if the name
+    /// contains special unicode characters that a filesystem doesn't
+    /// recognise as valid characters.
+    InvalidName,
+    /// The combination of selected components threw a runtime incompatibility error
+    InvalidCompoents {
+        /// Optionally the type that is incompatible (if it can be determined)
+        tt: Option<String>,
+    },
+    /// Vault failed it's checksum self-test
+    /// 
+    /// This is problematic because it also means the vault was unable to correct
+    /// any errors. Either the backing storage has some serious issues or maybe
+    /// an external sync process that lockchain can't detect is still working.
+    FailedSelfTest,
+    /// Failed to initialise lockchain vault handler
+    FailedInitalise,
+    /// Failed to create a vault for an unknown reason
+    FailedCreation,
+    /// Failed to load a vault for an unknown reason
+    FailedLoading,
+    /// Failed to close the vault properly.
+    /// 
+    /// This could be because the backing storage is no longer available
+    /// or permisions to write have been revoked.
+    FailedClosing,
+    /// Make sure we don't break user code with new options
+    #[doc(hidden)]
+    __NonExhaustive,
+}
+
+impl StdError for Error {}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                _ => "Unknown failure",
+            }
+        )
+    }
+}
diff --git a/lockchain-core/src/users/auth.rs b/lockchain-core/src/users/auth.rs
index ec2aea7..aee3be1 100644
--- a/lockchain-core/src/users/auth.rs
+++ b/lockchain-core/src/users/auth.rs
@@ -7,14 +7,7 @@
 // use nix::unistd::{fork, ForkResult};
 
 use pam_auth::Authenticator;
-
-#[derive(Debug)]
-pub enum AuthError {
-    FailedFork,
-    FailedPAM,
-    InvalidUser,
-    UserNotAuthorised,
-}
+use errors::AuthError;
 
 /// Simple way to authenticate a user for administrative actions
 ///
diff --git a/lockchain-core/src/users/mod.rs b/lockchain-core/src/users/mod.rs
index 927bfb0..97a558e 100644
--- a/lockchain-core/src/users/mod.rs
+++ b/lockchain-core/src/users/mod.rs
@@ -15,8 +15,9 @@
 
 mod auth;
 mod tokens;
+pub use self::auth::pam_authenticate;
 pub use self::tokens::Token;
-pub use self::auth::{AuthError, pam_authenticate};
+pub use errors::AuthError;
 
 use crypto::{encoding, hashing, random};
 use std::collections::HashMap;
diff --git a/lockchain-http/src/handlers.rs b/lockchain-http/src/handlers.rs
index 354b4c9..f89248f 100644
--- a/lockchain-http/src/handlers.rs
+++ b/lockchain-http/src/handlers.rs
@@ -1,17 +1,17 @@
-// //! Definition of the core lockchain API
+//! Definition of the core lockchain API
 
-// use actix_web::{HttpRequest, Json, Responder};
-// use lockchain::{
-//     traits::{Body, Vault}, Record,
-// };
+use actix_web::{HttpRequest, Json, Responder};
+use lockchain::{
+    traits::{Body, Vault}, Record,
+};
 
-// use models::{inputs::*, responses::*, NoneError, Response};
-// use state::ApiState;
+use models::{inputs::*, responses::*, NoneError, Response};
+use state::ApiState;
 
-// use std::intrinsics;
-// use std::sync::{Arc, Mutex};
+use std::intrinsics;
+use std::sync::{Arc, Mutex};
 
-// type HttpRequestState<T> = HttpRequest<Arc<Mutex<T>>>;
+type HttpRequestState<T> = HttpRequest<Arc<Mutex<T>>>;
 
 // /// GET /vault
 // ///
@@ -184,6 +184,29 @@
 //     })
 // }
 
+#[allow(dead_code)]
+pub fn foo<B, V>(_req: HttpRequestState<ApiState<B, V>>) -> impl Responder
+where
+    B: Body,
+    V: Vault<B>,
+{
+    use lockchain::errors::Error as LockError;
+    use models::{NoneError, Response};
+    let a = 5;
+
+    match a {
+        5 => Json(Response::Failure::<LockError>(OperationFailed {
+            explain: "BOOOOM!".into(),
+            error: LockError::FailedSelfTest,
+        })),
+        _ => Json(Response::Success::<LockError>),
+    }
+
+    // } else {
+    // Json(Response::Success::<NoneError>)
+    // }
+}
+
 // /// PUT /authenticate
 // pub fn authenticate<B, V>(
 //     (item, req): (Json<Authenticate>, HttpRequestState<ApiState<B, V>>),
diff --git a/lockchain-http/src/models/mod.rs b/lockchain-http/src/models/mod.rs
index a80872c..f83dc35 100644
--- a/lockchain-http/src/models/mod.rs
+++ b/lockchain-http/src/models/mod.rs
@@ -3,12 +3,10 @@
 pub mod inputs;
 pub mod responses;
 
-use serde::{de::DeserializeOwned, Serialize};
-use std::error::Error;
-
 /// A wrapper model for various API response types
 #[derive(Serialize, Deserialize)]
-pub enum Response{
+pub enum Response
+{
     /// Indicate general success of an operation
     Success,
     /// Indicate a failure of some kind
diff --git a/lockchain-http/src/models/responses.rs b/lockchain-http/src/models/responses.rs
index 5230987..ad4224b 100644
--- a/lockchain-http/src/models/responses.rs
+++ b/lockchain-http/src/models/responses.rs
@@ -17,15 +17,16 @@ where
 }
 
 /// A simple message that describes an invalid operation
-/// 
+///
 /// `explain()` can return a localised string, that provides
 /// more details than the error itself.
-/// 
+///
 /// `LockError` is a generic type provided by `lockchain-core`
 /// which is meant to represent any type of error that can
 /// occur in the lockchain ecosystem.
 #[derive(Serialize, Deserialize)]
-pub struct OperationFailed {
+pub struct OperationFailed
+{
     pub explain: String,
     pub error: LockError,
 }