diff --git a/Cargo.lock b/Cargo.lock
index d997020..053c30d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,50 +1,29 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "anyhow"
-version = "1.0.26"
+name = "aho-corasick"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
-name = "async-attributes"
-version = "1.1.1"
+name = "anyhow"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
-name = "async-std"
-version = "1.4.0"
+name = "arc-swap"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "async-attributes 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "async-task 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "broadcaster 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-io 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-timer 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "kv-log-macro 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
-name = "async-task"
-version = "1.2.1"
+name = "atty"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -83,19 +62,6 @@ dependencies = [
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "broadcaster"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "futures-channel-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-core-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-util-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.1.2"
@@ -143,14 +109,6 @@ name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "core-foundation"
 version = "0.6.4"
@@ -165,46 +123,6 @@ name = "core-foundation-sys"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "crossbeam-channel"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "digest"
 version = "0.8.1"
@@ -226,6 +144,18 @@ dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "env_logger"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+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 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
@@ -264,20 +194,26 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "futures-channel"
+name = "futures"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-executor 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "futures-channel-preview"
-version = "0.3.0-alpha.19"
+name = "futures-channel"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures-core-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -286,9 +222,14 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "futures-core-preview"
-version = "0.3.0-alpha.19"
+name = "futures-executor"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "futures-io"
@@ -296,13 +237,19 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "futures-sink"
+name = "futures-macro"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
-name = "futures-sink-preview"
-version = "0.3.0-alpha.19"
+name = "futures-sink"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -310,29 +257,21 @@ name = "futures-task"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "futures-timer"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "futures-util"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-macro 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "futures-util-preview"
-version = "0.3.0-alpha.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "futures-core-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -422,6 +361,14 @@ name = "httparse"
 version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[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 = "0.13.1"
@@ -513,14 +460,6 @@ dependencies = [
  "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "kv-log-macro"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -531,14 +470,6 @@ name = "libc"
 version = "0.2.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "lock_api"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "log"
 version = "0.4.8"
@@ -552,24 +483,11 @@ name = "matches"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "memchr"
 version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "memoffset"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "mime"
 version = "0.3.16"
@@ -602,6 +520,17 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "mio-named-pipes"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miow 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "mio-uds"
 version = "0.6.7"
@@ -623,6 +552,15 @@ dependencies = [
  "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "miow"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.3"
@@ -668,11 +606,6 @@ dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "opaque-debug"
 version = "0.2.3"
@@ -708,30 +641,6 @@ dependencies = [
  "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "parking_lot"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lock_api 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
@@ -775,6 +684,21 @@ name = "ppv-lite86"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "proc-macro-nested"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.7"
@@ -783,6 +707,11 @@ dependencies = [
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "quick-error"
+version = "1.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "quote"
 version = "1.0.2"
@@ -833,6 +762,22 @@ name = "redox_syscall"
 version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "regex"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "remove_dir_all"
 version = "0.5.2"
@@ -864,6 +809,7 @@ dependencies = [
  "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -875,14 +821,6 @@ dependencies = [
  "winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "ryu"
 version = "1.0.2"
@@ -897,11 +835,6 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "scopeguard"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "security-framework"
 version = "0.3.4"
@@ -921,19 +854,6 @@ dependencies = [
  "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "semver"
-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)",
-]
-
-[[package]]
-name = "semver-parser"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "serde"
 version = "1.0.104"
@@ -994,6 +914,15 @@ dependencies = [
  "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arc-swap 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.2"
@@ -1001,16 +930,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "smallvec"
-version = "0.6.13"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
-name = "smallvec"
-version = "1.1.0"
+name = "socket2"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "sourcefile"
@@ -1040,6 +972,22 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "termcolor"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "thread_local"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "time"
 version = "0.1.42"
@@ -1057,12 +1005,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio-named-pipes 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-macros 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1074,6 +1039,20 @@ dependencies = [
  "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tokio-tungstenite"
+version = "0.10.0"
+source = "git+https://github.com/snapview/tokio-tungstenite.git#308d9680c0e59dd1e8651659a775c05df937934e"
+dependencies = [
+ "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)",
+ "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tungstenite 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.2.0"
@@ -1159,14 +1138,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "unredeemed"
 version = "0.1.0"
 dependencies = [
- "async-std 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tungstenite 0.10.0 (git+https://github.com/snapview/tokio-tungstenite.git)",
  "tungstenite 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1334,6 +1318,14 @@ name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.3"
+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"
@@ -1357,16 +1349,15 @@ dependencies = [
 ]
 
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@@ -1375,33 +1366,27 @@ dependencies = [
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 "checksum futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c0d66274fb76985d3c62c886d1da7ac4c0903a8c9f754e8fe0f35a6a6cc39e76"
-"checksum futures-util-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)" = "5ce968633c17e5f97936bd2797b6e38fb56cf16a7422319f7ec2e30d3c470e8d"
 "checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
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@@ -1411,6 +1396,7 @@ dependencies = [
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@@ -1420,31 +1406,26 @@ dependencies = [
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 "checksum mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)" = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 "checksum mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1a0ed03949aef72dbdf3116a383d7b38b4768e6f960528cd6a6044aa9ed68599"
 "checksum mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)" = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
+"checksum mio-named-pipes 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "f5e374eff525ce1c5b7687c4cef63943e7686524a387933ad27ca7ec43779cb3"
 "checksum mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "966257a94e196b11bb43aca423754d87429960a768de9414f3691d6957abf125"
 "checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
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 "checksum native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4b2df1a4c22fd44a62147fd8f13dd0f95c9d8ca7b2610299b2a2f9cf8964274e"
 "checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2ad2a91a8e869eeb30b9cb3119ae87773a8f4ae617f41b1eb9c154b2905f7bd6"
 "checksum num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "76dac5ed2a876980778b8b85f75a71b6cbf0db0b1232ee12f826bccb00d09d72"
-"checksum once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "891f486f630e5c5a4916c7e16c4b24a53e78c860b646e9f8e005e4f16847bfed"
 "checksum opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 "checksum openssl 0.10.26 (registry+https://github.com/rust-lang/crates.io-index)" = "3a3cc5799d98e1088141b8e01ff760112bbd9f19d850c124500566ca6901a585"
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 "checksum openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)" = "465d16ae7fc0e313318f7de5cecf57b2fbe7511fd213978b457e1c96ff46736f"
-"checksum parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
-"checksum parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
 "checksum percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 "checksum pin-project 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "94b90146c7216e4cb534069fb91366de4ea0ea353105ee45ed297e2d1619e469"
 "checksum pin-project-internal 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "44ca92f893f0656d3cba8158dd0f2b99b94de256a4a54e870bd6922fcc6c8355"
@@ -1452,38 +1433,44 @@ dependencies = [
 "checksum pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
 "checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
+"checksum proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ecd45702f76d6d3c75a80564378ae228a85f0b59d2f3ed43c91b4a69eb2ebfc5"
+"checksum proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "369a6ed065f249a159e06c45752c780bda2fb53c995718f9e484d08daa9eb42e"
 "checksum proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0319972dcae462681daf4da1adeeaa066e3ebd29c69be96c6abb1259d2ee2bcc"
+"checksum quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 "checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
 "checksum rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 "checksum rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
 "checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 "checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
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-"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
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-"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
 "checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
 "checksum serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)" = "48c575e0cc52bdd09b47f330f646cf59afc586e9c4e3ccd6fc1f625b8ea1dad7"
 "checksum serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "cd02c7587ec314570041b2754829f84d873ced14a96d1fd1823531e11db40573"
 "checksum serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
 "checksum sha-1 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
+"checksum signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
-"checksum smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
 "checksum smallvec 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44e59e0c9fa00817912ae6e4e6e3c4fe04455e75699d06eedc7d85917ed8e8f4"
+"checksum socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)" = "e8b74de517221a2cb01a53349cf54182acdc31a074727d3079068448c0676d85"
 "checksum sourcefile 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4bf77cb82ba8453b42b6ae1d692e4cdc92f9a47beaf89a847c8be83f4e328ad3"
 "checksum syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)" = "1e4ff033220a41d1a57d8125eab57bf5263783dfdcc18688b1dacc6ce9651ef8"
 "checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+"checksum termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb6bfa289a4d7c5766392812c0a1f4c1ba45afa1ad47803c11e1f407d846d75f"
+"checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum tokio 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "ffa2fdcfa937b20cb3c822a635ceecd5fc1a27a6a474527e5516aa24b8c8820a"
+"checksum tokio-macros 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "50a61f268a3db2acee8dcab514efc813dc6dbe8a00e86076f935f94304b59a7a"
 "checksum tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7bde02a3a5291395f59b06ec6945a3077602fac2b07eeeaf0dee2122f3619828"
+"checksum tokio-tungstenite 0.10.0 (git+https://github.com/snapview/tokio-tungstenite.git)" = "<none>"
 "checksum tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "571da51182ec208780505a32528fc5512a8fe1443ab960b3f2f3ef093cd16930"
 "checksum tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 "checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
@@ -1514,6 +1501,7 @@ dependencies = [
 "checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+"checksum winapi-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4ccfbf554c6ad11084fb7517daca16cfdcaccbdadba4fc336f032a8b12c2ad80"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 "checksum winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
diff --git a/Cargo.toml b/Cargo.toml
index d6aebe4..17f7d63 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,11 +6,16 @@ edition = "2018"
 
 
 [dependencies]
+tokio = { version = "0.2", features = ["full"] }
 tungstenite = "0.9.2"
-reqwest = "0.10.1"
-async-std = { version = "1.4.0", features = ["attributes", "unstable"] }
-crossbeam-channel = "0.4.0"
-bytes = "0.5.3"
+tokio-tungstenite = { git = "https://github.com/snapview/tokio-tungstenite.git", features = ["default", "tls"] }
+reqwest = { version = "0.10.1", features = ["json"] }
 serde_json = "1.0.44"
 serde_repr = "0.1.5"
 serde = { version ="1.0.104", features = ["derive"] }
+log = "0.4.8"
+env_logger = "0.7.1"
+http = "0.2.0"
+url = "2.1.1"
+futures = "0.3.1"
+tokio-tls = "0.3.0"
diff --git a/src/discord/api.rs b/src/discord/api.rs
new file mode 100644
index 0000000..ef85aa3
--- /dev/null
+++ b/src/discord/api.rs
@@ -0,0 +1,188 @@
+use crate::discord::api::Error::Failed;
+use crate::discord::dto::{GatewayBot, RateLimitNotice};
+use crate::discord::ws::{connect_discord_ws, DiscordReceiver, DiscordSocket};
+use log::debug;
+use reqwest::header::{HeaderMap, HeaderName, HeaderValue};
+use reqwest::{Client, ClientBuilder, IntoUrl, Request, RequestBuilder, Url};
+use serde::de::DeserializeOwned;
+use std::borrow::BorrowMut;
+use std::cmp::max;
+use std::collections::HashMap;
+use std::future::Future;
+use std::ops::{Add, DerefMut, Sub};
+use std::pin::Pin;
+use std::sync::{Arc, RwLock};
+use std::task::{Context, Poll};
+use std::time::Instant;
+use tokio::time::{delay_for, delay_until, Delay, Duration};
+
+#[derive(Clone, Debug)]
+pub struct DiscordAPI {
+    rate_limit: Arc<RwLock<RateLimit>>,
+    base_url: Url,
+    client: Client,
+    token: String,
+}
+
+#[derive(Clone, Debug)]
+struct RateLimit {
+    global: Instant,
+    per_url: HashMap<Url, Instant>,
+}
+
+impl RateLimit {
+    fn new() -> RateLimit {
+        RateLimit {
+            global: Instant::now().sub(Duration::from_secs(5)),
+            per_url: HashMap::new(),
+        }
+    }
+
+    fn wait(&self, url: Url) -> OptionalDelay {
+        let now = Instant::now();
+        let mut delay_till = None;
+        if now < self.global {
+            delay_till = Some(self.global);
+        }
+
+        if let Some(per_url) = self.per_url.get(&url) {
+            if now < *per_url {
+                if let Some(other) = delay_till {
+                    if other < *per_url {
+                        delay_till = Some(*per_url);
+                    }
+                } else {
+                    delay_till = Some(*per_url)
+                }
+            }
+        }
+
+        delay_till.map(Into::into).map(delay_until).into()
+    }
+
+    fn update(&mut self, url: Url, notice: RateLimitNotice) -> OptionalDelay {
+        let after = Instant::now().add(Duration::from_millis(notice.retry_after));
+
+        if notice.global {
+            self.global = max(self.global, after);
+        }
+
+        self.per_url
+            .entry(url.clone())
+            .and_modify(|&mut mut x| {
+                let old = x.clone();
+                std::mem::replace(&mut x, max(old, after));
+            })
+            .or_insert(after);
+
+        self.wait(url)
+    }
+}
+
+#[derive(Debug)]
+pub enum Error {
+    RequestError(reqwest::Error),
+    Failed(u16),
+}
+
+impl From<reqwest::Error> for Error {
+    fn from(x: reqwest::Error) -> Self {
+        Error::RequestError(x)
+    }
+}
+
+struct OptionalDelay(Option<Delay>);
+
+impl Into<OptionalDelay> for Option<Delay> {
+    fn into(self) -> OptionalDelay {
+        OptionalDelay(self)
+    }
+}
+
+impl Future for OptionalDelay {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        if self.0.is_none() {
+            Poll::Ready(())
+        } else {
+            let pin = unsafe { Pin::new_unchecked(self.get_mut().0.as_mut().unwrap()) };
+
+            pin.poll(cx)
+        }
+    }
+}
+
+impl DiscordAPI {
+    pub fn url(&self, path: &str) -> Url {
+        self.base_url.join(path).unwrap()
+    }
+
+    pub fn create(token: &str) -> reqwest::Result<DiscordAPI> {
+        let mut headers = HeaderMap::new();
+
+        headers.insert(
+            "Authorization",
+            HeaderValue::from_str(&format!("Bot {}", token)).unwrap(),
+        );
+
+        let client = ClientBuilder::new()
+            .connection_verbose(true)
+            .default_headers(headers)
+            .build()?;
+        let base_url = Url::parse("https://discordapp.com/api/").unwrap();
+        let rate_limit = RateLimit::new();
+
+        Ok(DiscordAPI {
+            rate_limit: Arc::new(RwLock::new(rate_limit)),
+            base_url,
+            client,
+            token: token.to_string(),
+        })
+    }
+
+    async fn send<T: DeserializeOwned>(
+        &self,
+        url: Url,
+        request: RequestBuilder,
+    ) -> Result<T, Error> {
+        loop {
+            let delay = { self.rate_limit.try_read().unwrap().wait(url.clone()) };
+            delay.await;
+
+            let clone = request.try_clone().expect("Can't clone body");
+            debug!("Requesting: {:?}", url);
+            let response = clone.send().await?;
+
+            let status_code = response.status().as_u16();
+            if status_code == 429 {
+                let rate_limit: RateLimitNotice = response.json().await?;
+                let delay = {
+                    self.rate_limit
+                        .try_write()
+                        .unwrap()
+                        .update(url.clone(), rate_limit)
+                };
+
+                delay.await;
+                continue;
+            }
+
+            if status_code != 200 {
+                return Err(Failed(status_code));
+            }
+
+            return Ok(response.json::<T>().await?);
+        }
+    }
+
+    pub async fn get_gateway_bot(&self) -> Result<GatewayBot, Error> {
+        let url = self.url("gateway/bot");
+        self.send(url.clone(), self.client.get(url)).await
+    }
+
+    pub async fn connect_websocket_bot(&self) -> Result<(DiscordSocket, DiscordReceiver), Error> {
+        let gateway = self.get_gateway_bot().await?;
+        Ok(connect_discord_ws(gateway.url.clone(), self.token.clone()).await?)
+    }
+}
diff --git a/src/discord/dto.rs b/src/discord/dto.rs
index fda75df..7bb755e 100644
--- a/src/discord/dto.rs
+++ b/src/discord/dto.rs
@@ -1,13 +1,13 @@
-use bytes::Bytes;
-use serde::{Serialize, Deserialize};
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
 use serde_repr::*;
-use std::convert::{TryFrom, Infallible};
+use std::convert::TryFrom;
 use std::num::ParseIntError;
 use std::str::FromStr;
 
 #[repr(u16)]
 #[derive(Serialize_repr, Deserialize_repr, Copy, Ord, PartialOrd, Eq, PartialEq, Debug, Clone)]
-enum GatewayOpcode {
+pub enum GatewayOpcode {
     Dispatch = 0,
     Heartbeat = 1,
     Identify = 2,
@@ -45,35 +45,35 @@ impl GatewayOpcode {
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
-struct GatewayEvent {
+pub struct GatewayEvent {
     #[serde(rename = "op")]
-    opcode: GatewayOpcode,
+    pub opcode: GatewayOpcode,
     #[serde(rename = "d")]
-    data: String,
+    pub data: Value,
     #[serde(rename = "s")]
-    sequence_num: Option<u64>,
+    pub sequence_num: Option<u64>,
     #[serde(rename = "t")]
-    event_name: Option<String>,
+    pub event_name: Option<String>,
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
-struct Identify {
-    token: String,
-    properties: IdentifyProperties,
+pub struct Identify {
+    pub token: String,
+    pub properties: IdentifyProperties,
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
-struct IdentifyProperties {
+pub struct IdentifyProperties {
     #[serde(rename = "$os")]
-    os: String,
+    pub os: String,
     #[serde(rename = "$browser")]
-    browser: String,
+    pub browser: String,
     #[serde(rename = "$device")]
-    device: String,
+    pub device: String,
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
-struct Ready {
+pub struct Ready {
     #[serde(rename = "v")]
     protocol_version: u32,
     user: (),
@@ -83,16 +83,43 @@ struct Ready {
     shared: Option<(u32, u32)>,
 }
 
-#[derive(Debug, Clone, Deserialize, Serialize)]
-struct UnavailableGuild {
+#[derive(Debug, Clone, Copy, Deserialize, Serialize)]
+pub struct UnavailableGuild {
     id: Snowflake,
     available: bool,
 }
 
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct Resume {
+    token: String,
+    session_id: String,
+    seq: u64,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct GatewayBot {
+    pub url: String,
+    shards: u32,
+    session_start_limit: SessionStartLimit,
+}
+
+#[derive(Debug, Clone, Copy, Deserialize, Serialize)]
+pub struct SessionStartLimit {
+    total: u64,
+    remaining: u64,
+    reset_after: u64,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct RateLimitNotice {
+    pub global: bool,
+    message: String,
+    pub retry_after: u64,
+}
 
 #[derive(Debug, Clone, Copy, Ord, PartialOrd, Eq, PartialEq, Serialize, Deserialize)]
 #[serde(try_from = "String", into = "String")]
-struct Snowflake(u64);
+pub struct Snowflake(u64);
 
 impl Into<String> for Snowflake {
     fn into(self) -> String {
@@ -100,7 +127,6 @@ impl Into<String> for Snowflake {
     }
 }
 
-
 impl TryFrom<String> for Snowflake {
     type Error = ParseIntError;
 
@@ -111,16 +137,22 @@ impl TryFrom<String> for Snowflake {
 
 #[cfg(test)]
 mod test {
-    use crate::discord::dto::{Snowflake, GatewayOpcode};
+    use crate::discord::dto::{GatewayOpcode, Snowflake};
 
     #[test]
     fn snowflake() {
-        assert_eq!(Ok(Snowflake(4)), serde_json::from_str("\"4\"").map_err(|_| ()));
-        assert_eq!(Ok("\"4\"".to_string()), serde_json::to_string(&Snowflake(4)).map_err(|_| ()));
+        assert_eq!(
+            Ok(Snowflake(4)),
+            serde_json::from_str("\"4\"").map_err(|_| ())
+        );
+        assert_eq!(
+            Ok("\"4\"".to_string()),
+            serde_json::to_string(&Snowflake(4)).map_err(|_| ())
+        );
     }
 
     #[test]
     fn opcode() {
         assert!(GatewayOpcode::SessionTimeout.is_err())
     }
-}
\ No newline at end of file
+}
diff --git a/src/discord/mod.rs b/src/discord/mod.rs
index a82d8ed..dacdd6e 100644
--- a/src/discord/mod.rs
+++ b/src/discord/mod.rs
@@ -1,2 +1,3 @@
-mod ws;
-mod dto;
\ No newline at end of file
+pub mod api;
+pub mod dto;
+pub mod ws;
diff --git a/src/discord/ws.rs b/src/discord/ws.rs
index 8e2ed9e..49b807f 100644
--- a/src/discord/ws.rs
+++ b/src/discord/ws.rs
@@ -1,20 +1,96 @@
-use async_std::sync::{Sender, Receiver, channel};
-use async_std::task;
-use tungstenite::WebSocket;
+use crate::discord::api::Error;
+use crate::discord::dto::{GatewayEvent, GatewayOpcode, Identify, IdentifyProperties};
+use futures::future::IntoFuture;
+use futures::SinkExt;
+use reqwest::Identity;
+use std::sync::mpsc::{channel, Receiver, Sender};
+use tokio::net::TcpStream;
+use tokio::stream::StreamExt;
+use tokio_tungstenite::{connect_async, WebSocketStream};
+use tungstenite::handshake::client::Request;
+use tungstenite::{Message, WebSocket};
 
-enum DiscordEvent {
+pub enum DiscordEvent {}
 
+pub struct DiscordReceiver(pub Receiver<DiscordEvent>);
+
+pub struct DiscordSocket {
+    sender: Sender<DiscordEvent>,
+    ws: WebSocketStream<
+        tokio_tungstenite::stream::Stream<
+            tokio::net::TcpStream,
+            tokio_tls::TlsStream<tokio::net::TcpStream>,
+        >,
+    >,
+    token: String,
 }
 
-struct DiscordReceiver(Receiver<DiscordEvent>);
+pub async fn connect_discord_ws(
+    url: String,
+    auth: String,
+) -> Result<(DiscordSocket, DiscordReceiver), Error> {
+    let (s, r) = channel();
+    let connect = connect_async(Request {
+        url: url::Url::parse(&url).unwrap(),
+        extra_headers: Some(vec![("Authorization".into(), auth.clone().into())]),
+    })
+    .await
+    .unwrap();
+    let (stream, resp) = connect;
+    let status = resp.code;
+    if status != 101 {
+        return Err(Error::Failed(status));
+    }
+
+    let receiver = DiscordReceiver(r);
+    let socket = DiscordSocket {
+        sender: s,
+        ws: stream,
+        token: auth,
+    };
+
+    Ok((socket, receiver))
+}
 
-struct DiscordSocket(Sender<DiscordEvent>);
+impl DiscordSocket {
+    pub async fn start(&mut self) {
+        while let Some(message) = self.ws.next().await {
+            let msg = message.unwrap();
 
+            match msg {
+                Message::Text(ok) => {
+                    let event = serde_json::from_str::<GatewayEvent>(&ok);
+                    println!("event: {:?}", event)
+                }
 
-fn connect_discord_ws() -> (DiscordSocket, DiscordReceiver) {
-    let (s,r) = channel(10);
-    let receiver = DiscordReceiver(r);
-    let socket = DiscordSocket(s);
+                _ => {
+                    println!("something else");
+                }
+            }
+        }
+    }
 
-    (socket, receiver)
-}
\ No newline at end of file
+    fn identify(&mut self) {
+        let identify = Identify {
+            token: self.token.clone(),
+            properties: IdentifyProperties {
+                os: "linux".to_string(),
+                browser: "unredeemed".to_string(),
+                device: "WebSocketStream<TcpStream>".to_string(),
+            },
+        };
+
+        let value = serde_json::to_value(identify).unwrap();
+
+        let event = GatewayEvent {
+            opcode: GatewayOpcode::Identify,
+            data: value,
+            sequence_num: None,
+            event_name: None,
+        };
+
+        let data = serde_json::to_vec(&event).unwrap();
+
+        self.ws.send(Message::Binary(data));
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index 65dc771..552a78e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,20 @@
-const DISCORD_TOKEN: &str = "[CENSORED]";
+use crate::discord::api::DiscordAPI;
+use std::env::var;
 
 mod discord;
 
-#[async_std::main]
+#[tokio::main]
 async fn main() {
+    env_logger::init();
 
+    let discord_token =
+        var("DISCORD_TOKEN").expect("Require DISCORD_TOKEN environment variable to be set");
+
+    let client = DiscordAPI::create(&discord_token).expect("Can't make DiscordAPI instance");
+
+    let (mut s, r) = client.connect_websocket_bot().await.unwrap();
+
+    tokio::task::spawn(async move { s.start().await });
+
+    r.0.recv();
 }