diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 8ad86b1..099a09c 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -4,116 +4,94 @@ version = 3
 
 [[package]]
 name = "actix"
-version = "0.10.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1be241f88f3b1e7e9a3fbe3b5a8a0f6915b5a1d7ee0d9a248d3376d01068cc60"
+checksum = "543c47e7827f8fcc9d1445bd98ba402137bfce80ee2187429de49c52b5131bd3"
 dependencies = [
  "actix-rt",
  "actix_derive",
  "bitflags",
- "bytes 0.5.6",
+ "bytes",
  "crossbeam-channel",
- "derive_more",
- "futures-channel",
+ "futures-core",
+ "futures-sink",
+ "futures-task",
  "futures-util",
  "log",
  "once_cell",
- "parking_lot 0.11.0",
- "pin-project 0.4.27",
- "smallvec 1.4.2",
- "tokio 0.2.22",
+ "parking_lot",
+ "pin-project-lite 0.2.6",
+ "smallvec",
+ "tokio",
  "tokio-util",
- "trust-dns-proto",
- "trust-dns-resolver",
 ]
 
 [[package]]
 name = "actix-codec"
-version = "0.3.0"
+version = "0.4.0-beta.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78d1833b3838dbe990df0f1f87baf640cf6146e898166afe401839d1b001e570"
+checksum = "90673465c6187bd0829116b02be465dc0195a74d7719f76ffff0effef934a92e"
 dependencies = [
  "bitflags",
- "bytes 0.5.6",
+ "bytes",
  "futures-core",
  "futures-sink",
  "log",
- "pin-project 0.4.27",
- "tokio 0.2.22",
+ "pin-project-lite 0.2.6",
+ "tokio",
  "tokio-util",
 ]
 
-[[package]]
-name = "actix-connect"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "177837a10863f15ba8d3ae3ec12fac1099099529ed20083a27fdfe247381d0dc"
-dependencies = [
- "actix-codec",
- "actix-rt",
- "actix-service",
- "actix-utils",
- "derive_more",
- "either",
- "futures-util",
- "http 0.2.1",
- "log",
- "trust-dns-proto",
- "trust-dns-resolver",
-]
-
 [[package]]
 name = "actix-http"
-version = "2.0.0"
+version = "3.0.0-beta.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05dd80ba8f27c4a34357c07e338c8f5c38f8520e6d626ca1727d8fecc41b0cab"
+checksum = "8a01f9e0681608afa887d4269a0857ac4226f09ba5ceda25939e8391c9da610a"
 dependencies = [
  "actix-codec",
- "actix-connect",
  "actix-rt",
  "actix-service",
- "actix-threadpool",
+ "actix-tls",
  "actix-utils",
- "base64 0.12.3",
+ "ahash",
+ "base64",
  "bitflags",
  "brotli2",
- "bytes 0.5.6",
- "cookie 0.14.2",
- "copyless",
+ "bytes",
+ "bytestring",
+ "cfg-if 1.0.0",
+ "cookie",
  "derive_more",
- "either",
  "encoding_rs",
  "flate2",
- "futures-channel",
  "futures-core",
  "futures-util",
- "fxhash",
- "h2 0.2.7",
- "http 0.2.1",
+ "h2",
+ "http",
  "httparse",
- "indexmap",
  "itoa",
  "language-tags",
- "lazy_static",
  "log",
  "mime",
- "percent-encoding 2.1.0",
- "pin-project 0.4.27",
- "rand 0.7.3",
+ "once_cell",
+ "percent-encoding",
+ "pin-project",
+ "rand 0.8.3",
  "regex",
  "serde",
  "serde_json",
- "serde_urlencoded 0.6.1",
+ "serde_urlencoded",
  "sha-1",
- "slab",
- "time 0.2.22",
+ "smallvec",
+ "time 0.2.26",
+ "tokio",
 ]
 
 [[package]]
 name = "actix-macros"
-version = "0.1.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a60f9ba7c4e6df97f3aacb14bb5c0cd7d98a49dcbaed0d7f292912ad9a6a3ed2"
+checksum = "dbcb2b608f0accc2f5bcf3dd872194ce13d94ee45b571487035864cf966b04ef"
 dependencies = [
  "quote",
  "syn",
@@ -121,12 +99,12 @@ dependencies = [
 
 [[package]]
 name = "actix-router"
-version = "0.2.5"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd1f7dbda1645bf7da33554db60891755f6c01c1b2169e2f4c492098d30c235"
+checksum = "2ad299af73649e1fc893e333ccf86f377751eb95ff875d095131574c6f43452c"
 dependencies = [
  "bytestring",
- "http 0.2.1",
+ "http",
  "log",
  "regex",
  "serde",
@@ -134,114 +112,80 @@ dependencies = [
 
 [[package]]
 name = "actix-rt"
-version = "1.1.1"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "143fcc2912e0d1de2bcf4e2f720d2a60c28652ab4179685a1ee159e0fb3db227"
+checksum = "0b4e57bc1a3915e71526d128baf4323700bd1580bc676239e2298a4c5b001f18"
 dependencies = [
  "actix-macros",
- "actix-threadpool",
- "copyless",
- "futures-channel",
- "futures-util",
- "smallvec 1.4.2",
- "tokio 0.2.22",
+ "futures-core",
+ "tokio",
 ]
 
 [[package]]
 name = "actix-server"
-version = "1.0.4"
+version = "2.0.0-beta.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45407e6e672ca24784baa667c5d32ef109ccdd8d5e0b5ebb9ef8a67f4dfb708e"
+checksum = "a99198727204a48f82559c18e4b0ba3197b97d5f4576a32bdbef371f3b4599c1"
 dependencies = [
  "actix-codec",
  "actix-rt",
  "actix-service",
  "actix-utils",
- "futures-channel",
- "futures-util",
+ "futures-core",
  "log",
  "mio",
- "mio-uds",
  "num_cpus",
  "slab",
- "socket2",
+ "tokio",
 ]
 
 [[package]]
 name = "actix-service"
-version = "1.0.6"
+version = "2.0.0-beta.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0052435d581b5be835d11f4eb3bce417c8af18d87ddf8ace99f8e67e595882bb"
+checksum = "cf82340ad9f4e4caf43737fd3bbc999778a268015cdc54675f60af6240bd2b05"
 dependencies = [
- "futures-util",
- "pin-project 0.4.27",
-]
-
-[[package]]
-name = "actix-testing"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47239ca38799ab74ee6a8a94d1ce857014b2ac36f242f70f3f75a66f691e791c"
-dependencies = [
- "actix-macros",
- "actix-rt",
- "actix-server",
- "actix-service",
- "log",
- "socket2",
-]
-
-[[package]]
-name = "actix-threadpool"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d209f04d002854b9afd3743032a27b066158817965bf5d036824d19ac2cc0e30"
-dependencies = [
- "derive_more",
- "futures-channel",
- "lazy_static",
- "log",
- "num_cpus",
- "parking_lot 0.11.0",
- "threadpool",
+ "futures-core",
+ "pin-project-lite 0.2.6",
 ]
 
 [[package]]
 name = "actix-tls"
-version = "2.0.0"
+version = "3.0.0-beta.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24789b7d7361cf5503a504ebe1c10806896f61e96eca9a7350e23001aca715fb"
-dependencies = [
- "actix-codec",
- "actix-service",
- "actix-utils",
- "futures-util",
-]
-
-[[package]]
-name = "actix-utils"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e9022dec56632d1d7979e59af14f0597a28a830a9c1c7fec8b2327eb9f16b5a"
+checksum = "d2b1455e3f7a26d40cfc1080b571f41e8165e5a88e937ed579f7a4b3d55b0370"
 dependencies = [
  "actix-codec",
  "actix-rt",
  "actix-service",
- "bitflags",
- "bytes 0.5.6",
- "either",
- "futures-channel",
- "futures-sink",
- "futures-util",
+ "actix-utils",
+ "derive_more",
+ "futures-core",
+ "http",
  "log",
- "pin-project 0.4.27",
- "slab",
+ "tokio-util",
+]
+
+[[package]]
+name = "actix-utils"
+version = "3.0.0-beta.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "458795e09a29bc5557604f9ff6f32236fd0ee457d631672e4ec8f6a0103bb292"
+dependencies = [
+ "actix-codec",
+ "actix-rt",
+ "actix-service",
+ "futures-core",
+ "futures-sink",
+ "log",
+ "pin-project-lite 0.2.6",
 ]
 
 [[package]]
 name = "actix-web"
-version = "3.1.0"
-source = "git+https://github.com/maciejhirsz/actix-web?branch=no-panic-normalize#89791b4df12295bf0145d0402a059d1315cd90ff"
+version = "4.0.0-beta.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d95e50c9e32e8456220b5804867de76e97a86ab8c38b51c9edcccc0f0fddca7"
 dependencies = [
  "actix-codec",
  "actix-http",
@@ -250,53 +194,51 @@ dependencies = [
  "actix-rt",
  "actix-server",
  "actix-service",
- "actix-testing",
- "actix-threadpool",
- "actix-tls",
  "actix-utils",
  "actix-web-codegen",
+ "ahash",
  "awc",
- "bytes 0.5.6",
+ "bytes",
  "derive_more",
+ "either",
  "encoding_rs",
- "futures-channel",
  "futures-core",
  "futures-util",
- "fxhash",
  "log",
  "mime",
- "pin-project 0.4.27",
+ "pin-project",
  "regex",
  "serde",
  "serde_json",
- "serde_urlencoded 0.6.1",
+ "serde_urlencoded",
+ "smallvec",
  "socket2",
- "time 0.2.22",
- "tinyvec 1.0.1",
- "url 2.1.1",
+ "time 0.2.26",
+ "url",
 ]
 
 [[package]]
 name = "actix-web-actors"
-version = "3.0.0"
+version = "4.0.0-beta.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6edf3c2693e2a8c422800c87ee89a6a4eac7dd01109bc172a1093ce1f4f001"
+checksum = "8cd978e384657c95bc7391b68de75d970b2789350ca384dc1fdb30f2473c74da"
 dependencies = [
  "actix",
  "actix-codec",
  "actix-http",
  "actix-web",
- "bytes 0.5.6",
- "futures-channel",
+ "bytes",
+ "bytestring",
  "futures-core",
- "pin-project 0.4.27",
+ "pin-project",
+ "tokio",
 ]
 
 [[package]]
 name = "actix-web-codegen"
-version = "0.3.0"
+version = "0.5.0-beta.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "750ca8fb60bbdc79491991650ba5d2ae7cd75f3fc00ead51390cfe9efda0d4d8"
+checksum = "7f138ac357a674c3b480ddb7bbd894b13c1b6e8927d728bc9ea5e17eee2f8fc9"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -305,30 +247,32 @@ dependencies = [
 
 [[package]]
 name = "actix_derive"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b95aceadaf327f18f0df5962fedc1bde2f870566a0b9f65c89508a3b1f79334c"
+checksum = "6d44b8fee1ced9671ba043476deddef739dd0959bf77030b26b738cc591737a7"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
 ]
 
-[[package]]
-name = "addr2line"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b6a2d3371669ab3ca9797670853d61402b03d0b4b9ebf33d677dfa720203072"
-dependencies = [
- "gimli",
-]
-
 [[package]]
 name = "adler"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 
+[[package]]
+name = "ahash"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f200cbb1e856866d9eade941cf3aa0c5d7dd36f74311c4273b494f4ef036957"
+dependencies = [
+ "getrandom 0.2.2",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.14"
@@ -350,17 +294,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
-[[package]]
-name = "async-trait"
-version = "0.1.41"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b246867b8b3b6ae56035f1eb1ed557c1d8eae97f0d53696138a50fa0e3a3b8c0"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -369,15 +302,9 @@ checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
  "hermit-abi",
  "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -386,39 +313,28 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "awc"
-version = "2.0.0"
+version = "3.0.0-beta.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "150e00c06683ab44c5f97d033950e5d87a7a042d06d77f5eecb443cbd23d0575"
+checksum = "09aecd8728f6491a62b27454ea4b36fb7e50faf32928b0369b644e402c651f4e"
 dependencies = [
  "actix-codec",
  "actix-http",
  "actix-rt",
  "actix-service",
- "base64 0.12.3",
- "bytes 0.5.6",
+ "base64",
+ "bytes",
+ "cfg-if 1.0.0",
  "derive_more",
  "futures-core",
+ "itoa",
  "log",
  "mime",
- "percent-encoding 2.1.0",
- "rand 0.7.3",
+ "percent-encoding",
+ "pin-project-lite 0.2.6",
+ "rand 0.8.3",
  "serde",
  "serde_json",
- "serde_urlencoded 0.6.1",
-]
-
-[[package]]
-name = "backtrace"
-version = "0.3.53"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "707b586e0e2f247cbde68cdd2c3ce69ea7b7be43e1c5b426e37c9319c4b9838e"
-dependencies = [
- "addr2line",
- "cfg-if 1.0.0",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
+ "serde_urlencoded",
 ]
 
 [[package]]
@@ -429,18 +345,9 @@ checksum = "1b20b618342cf9891c292c4f5ac2cde7287cc5c87e87e9c769d617793607dec1"
 
 [[package]]
 name = "base64"
-version = "0.10.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
-dependencies = [
- "byteorder",
-]
-
-[[package]]
-name = "base64"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "bitflags"
@@ -450,12 +357,14 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "bitvec"
-version = "0.17.4"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41262f11d771fd4a61aa3ce019fca363b4b6c282fca9da2a31186d3965a47a5c"
+checksum = "1f682656975d3a682daff957be4ddeb65d6ad656737cd821f2d00685ae466af1"
 dependencies = [
- "either",
+ "funty",
  "radium",
+ "tap",
+ "wyz",
 ]
 
 [[package]]
@@ -495,9 +404,9 @@ checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "byte-slice-cast"
-version = "0.3.5"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0a5e3906bcbf133e33c1d4d95afc664ad37fbdb9f6568d8043e7ea8c27d93d3"
+checksum = "65c1bf4a04a88c54f589125563643d773f3254b5c38571395e2b591c693bbc81"
 
 [[package]]
 name = "byteorder"
@@ -507,28 +416,17 @@ checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "bytes"
-version = "0.4.12"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "206fdffcfa2df7cbe15601ef46c813fce0965eb3286db6b56c583b814b51c81c"
-dependencies = [
- "byteorder",
- "either",
- "iovec",
-]
-
-[[package]]
-name = "bytes"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
+checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
 
 [[package]]
 name = "bytestring"
-version = "0.1.5"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc7c05fa5172da78a62d9949d662d2ac89d4cc7355d7b49adee5163f1fb3f363"
+checksum = "90706ba19e97b90786e19dc0d5e2abd80008d99d4c0c5d1ad0b5e72cec7c494d"
 dependencies = [
- "bytes 0.5.6",
+ "bytes",
 ]
 
 [[package]]
@@ -560,7 +458,7 @@ dependencies = [
  "num-traits",
  "serde",
  "time 0.1.44",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -595,15 +493,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "cloudabi"
 version = "0.1.0"
@@ -621,7 +510,7 @@ checksum = "f4ffc801dacf156c5854b9df4f425a626539c3a6ef7893cc0c5084a23f0b6c59"
 dependencies = [
  "atty",
  "lazy_static",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -630,56 +519,22 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce90df4c658c62f12d78f7508cf92f9173e5184a539c10bfe54a3107b3ffd0f2"
 
-[[package]]
-name = "cookie"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "888604f00b3db336d2af898ec3c1d5d0ddf5e6d462220f2ededc33a87ac4bbd5"
-dependencies = [
- "time 0.1.44",
- "url 1.7.2",
-]
-
 [[package]]
 name = "cookie"
 version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1373a16a4937bc34efec7b391f9c1500c30b8478a701a4f44c9165cc0475a6e0"
 dependencies = [
- "percent-encoding 2.1.0",
- "time 0.2.22",
+ "percent-encoding",
+ "time 0.2.26",
  "version_check",
 ]
 
-[[package]]
-name = "cookie_store"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46750b3f362965f197996c4448e4a0935e791bf7d6631bfce9ee0af3d24c919c"
-dependencies = [
- "cookie 0.12.0",
- "failure",
- "idna 0.1.5",
- "log",
- "publicsuffix",
- "serde",
- "serde_json",
- "time 0.1.44",
- "try_from",
- "url 1.7.2",
-]
-
-[[package]]
-name = "copyless"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2df960f5d869b2dd8532793fde43eb5427cceb126c929747a26823ab0eeb536"
-
 [[package]]
 name = "core-foundation"
-version = "0.7.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57d24c7a13c43e870e37c1556b74555437870a04514f7685f5b354e090567171"
+checksum = "0a89e2ae426ea83155dccf10c0fa6b1463ef6d5fcb44cee0b224a408fa640a62"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -687,9 +542,9 @@ dependencies = [
 
 [[package]]
 name = "core-foundation-sys"
-version = "0.7.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
+checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
 [[package]]
 name = "cpuid-bool"
@@ -708,59 +563,22 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.4"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
 dependencies = [
+ "cfg-if 1.0.0",
  "crossbeam-utils",
- "maybe-uninit",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
-dependencies = [
- "crossbeam-epoch",
- "crossbeam-utils",
- "maybe-uninit",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
-dependencies = [
- "autocfg 1.0.1",
- "cfg-if 0.1.10",
- "crossbeam-utils",
- "lazy_static",
- "maybe-uninit",
- "memoffset",
- "scopeguard",
-]
-
-[[package]]
-name = "crossbeam-queue"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
-dependencies = [
- "cfg-if 0.1.10",
- "crossbeam-utils",
- "maybe-uninit",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "e7e9d99fa91428effe99c5c6d4634cdeba32b8cf784fc428a2a687f61a952c49"
 dependencies = [
- "autocfg 1.0.1",
- "cfg-if 0.1.10",
+ "autocfg",
+ "cfg-if 1.0.0",
  "lazy_static",
 ]
 
@@ -796,12 +614,6 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
 
-[[package]]
-name = "dtoa"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134951f4028bdadb9b84baf4232681efbf277da25144b9b0ad65df75946c422b"
-
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -817,57 +629,14 @@ dependencies = [
  "cfg-if 0.1.10",
 ]
 
-[[package]]
-name = "enum-as-inner"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c5f0096a91d210159eceb2ff5e1c4da18388a170e1e3ce948aac9c8fdbbf595"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "error-chain"
-version = "0.12.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d2f06b9cac1506ece98fe3231e3cc9c4410ec3d5b1f24ae1c8946f0742cdefc"
-dependencies = [
- "version_check",
-]
-
-[[package]]
-name = "failure"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
-dependencies = [
- "backtrace",
- "failure_derive",
-]
-
-[[package]]
-name = "failure_derive"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
-
 [[package]]
 name = "fixed-hash"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11498d382790b7a8f2fd211780bec78619bba81cdad3a283997c0c41f836759c"
+checksum = "cfcf0ed7fe52a17a03854ec54a9f76d6d84508d1c0e66bc1793301c73fc8493c"
 dependencies = [
  "byteorder",
- "rand 0.7.3",
+ "rand 0.8.3",
  "rustc-hex",
  "static_assertions",
 ]
@@ -906,46 +675,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
+name = "form_urlencoded"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
-[[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
+checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
 dependencies = [
- "bitflags",
- "fuchsia-zircon-sys",
+ "matches",
+ "percent-encoding",
 ]
 
 [[package]]
-name = "fuchsia-zircon-sys"
-version = "0.3.3"
+name = "funty"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
-
-[[package]]
-name = "futures"
-version = "0.1.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7e4c2612746b0df8fed4ce0c69156021b704c9aefa360311c04e6e9e002eed"
-
-[[package]]
-name = "futures"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95314d38584ffbfda215621d723e0a3906f032e03ae5551e650058dac83d4797"
-dependencies = [
- "futures-channel",
- "futures-core",
- "futures-io",
- "futures-sink",
- "futures-task",
- "futures-util",
-]
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
 [[package]]
 name = "futures-channel"
@@ -954,7 +697,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0448174b01148032eed37ac4aed28963aaaa8cfa93569a08e5b479bbc6c2c151"
 dependencies = [
  "futures-core",
- "futures-sink",
 ]
 
 [[package]]
@@ -963,33 +705,11 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "18eaa56102984bed2c88ea39026cff3ce3b4c7f508ca970cedf2450ea10d4e46"
 
-[[package]]
-name = "futures-cpupool"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab90cde24b3319636588d0c35fe03b1333857621051837ed769faefb4c2162e4"
-dependencies = [
- "futures 0.1.30",
- "num_cpus",
-]
-
 [[package]]
 name = "futures-io"
-version = "0.3.7"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e1798854a4727ff944a7b12aa999f58ce7aa81db80d2dfaaf2ba06f065ddd2b"
-
-[[package]]
-name = "futures-macro"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e36fccf3fc58563b4a14d265027c627c3b665d7fed489427e88e7cc929559efe"
-dependencies = [
- "proc-macro-hack",
- "proc-macro2",
- "quote",
- "syn",
-]
+checksum = "d71c2c65c57704c32f5241c1223167c2c3294fd34ac020c807ddbe6db287ba59"
 
 [[package]]
 name = "futures-sink"
@@ -1012,29 +732,16 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abcb44342f62e6f3e8ac427b8aa815f724fd705dfad060b18ac7866c15bb8e34"
 dependencies = [
- "futures-channel",
  "futures-core",
  "futures-io",
- "futures-macro",
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project 1.0.1",
+ "pin-project",
  "pin-utils",
- "proc-macro-hack",
- "proc-macro-nested",
  "slab",
 ]
 
-[[package]]
-name = "fxhash"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -1057,47 +764,33 @@ dependencies = [
 ]
 
 [[package]]
-name = "gimli"
-version = "0.22.0"
+name = "getrandom"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
-
-[[package]]
-name = "h2"
-version = "0.1.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5b34c246847f938a410a03c5458c7fee2274436675e76d8b903c08efc29c462"
+checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
 dependencies = [
- "byteorder",
- "bytes 0.4.12",
- "fnv",
- "futures 0.1.30",
- "http 0.1.21",
- "indexmap",
- "log",
- "slab",
- "string",
- "tokio-io",
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
 name = "h2"
-version = "0.2.7"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e4728fd124914ad25e99e3d15a9361a879f6620f63cb56bbb08f95abb97a535"
+checksum = "fc018e188373e2777d0ef2467ebff62a08e66c3f5857b23c8fbec3018210dc00"
 dependencies = [
- "bytes 0.5.6",
+ "bytes",
  "fnv",
  "futures-core",
  "futures-sink",
  "futures-util",
- "http 0.2.1",
+ "http",
  "indexmap",
  "slab",
- "tokio 0.2.22",
+ "tokio",
  "tokio-util",
  "tracing",
- "tracing-futures",
 ]
 
 [[package]]
@@ -1125,48 +818,31 @@ dependencies = [
 ]
 
 [[package]]
-name = "hostname"
-version = "0.3.1"
+name = "hex"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c731c3e10504cc8ed35cfe2f1db4c9274c3d35fa486e3b31df46f068ef3e867"
-dependencies = [
- "libc",
- "match_cfg",
- "winapi 0.3.9",
-]
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "http"
-version = "0.1.21"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6ccf5ede3a895d8856620237b2f02972c1bbc78d2965ad7fe8838d4a0ed41f0"
+checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
 dependencies = [
- "bytes 0.4.12",
- "fnv",
- "itoa",
-]
-
-[[package]]
-name = "http"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d569972648b2c512421b5f2a405ad6ac9666547189d0c5477a3f200f3e02f9"
-dependencies = [
- "bytes 0.5.6",
+ "bytes",
  "fnv",
  "itoa",
 ]
 
 [[package]]
 name = "http-body"
-version = "0.1.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6741c859c1b2463a423a1dbce98d418e6c3c3fc720fb0d45528657320920292d"
+checksum = "5dfb77c123b4e2f72a2069aeae0b4b4949cc7e966df277813fc16347e7549737"
 dependencies = [
- "bytes 0.4.12",
- "futures 0.1.30",
- "http 0.1.21",
- "tokio-buf",
+ "bytes",
+ "http",
+ "pin-project-lite 0.2.6",
 ]
 
 [[package]]
@@ -1176,57 +852,46 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 
 [[package]]
-name = "hyper"
-version = "0.12.35"
+name = "httpdate"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dbe6ed1438e1f8ad955a4701e9a944938e9519f6888d12d8558b645e247d5f6"
+checksum = "494b4d60369511e7dea41cf646832512a94e542f68bb9c49e54518e0f468eb47"
+
+[[package]]
+name = "hyper"
+version = "0.14.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8e946c2b1349055e0b72ae281b238baf1a3ea7307c7e9f9d64673bdd9c26ac7"
 dependencies = [
- "bytes 0.4.12",
- "futures 0.1.30",
- "futures-cpupool",
- "h2 0.1.26",
- "http 0.1.21",
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
  "http-body",
  "httparse",
- "iovec",
+ "httpdate",
  "itoa",
- "log",
- "net2",
- "rustc_version",
- "time 0.1.44",
- "tokio 0.1.22",
- "tokio-buf",
- "tokio-executor",
- "tokio-io",
- "tokio-reactor",
- "tokio-tcp",
- "tokio-threadpool",
- "tokio-timer",
+ "pin-project",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
  "want",
 ]
 
 [[package]]
 name = "hyper-tls"
-version = "0.3.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a800d6aa50af4b5850b2b0f659625ce9504df908e9733b635720483be26174f"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
 dependencies = [
- "bytes 0.4.12",
- "futures 0.1.30",
+ "bytes",
  "hyper",
  "native-tls",
- "tokio-io",
-]
-
-[[package]]
-name = "idna"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
-dependencies = [
- "matches",
- "unicode-bidi",
- "unicode-normalization",
+ "tokio",
+ "tokio-native-tls",
 ]
 
 [[package]]
@@ -1242,9 +907,9 @@ dependencies = [
 
 [[package]]
 name = "impl-codec"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1be51a921b067b0eaca2fad532d9400041561aa922221cc65f95a85641c6bf53"
+checksum = "df170efa359aebdd5cb7fe78edcc67107748e4737bdca8a8fb40d15ea7a877ed"
 dependencies = [
  "parity-scale-codec",
 ]
@@ -1264,7 +929,7 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "hashbrown",
 ]
 
@@ -1278,25 +943,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "iovec"
-version = "0.1.4"
+name = "ipnet"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "ipconfig"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7e2f18aece9709094573a9f24f483c4f65caa4298e2f7ae1b71cc65d853fad7"
-dependencies = [
- "socket2",
- "widestring",
- "winapi 0.3.9",
- "winreg",
-]
+checksum = "47be2f14c678be2fdcab04ab1171db51b2762ce6f0a8ee87c8dd4a04ed216135"
 
 [[package]]
 name = "itoa"
@@ -1305,13 +955,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
-name = "kernel32-sys"
-version = "0.2.2"
+name = "js-sys"
+version = "0.3.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+checksum = "dc15e39392125075f60c95ba416f5381ff6c3a948ff02ab12464715adf56c821"
 dependencies = [
- "winapi 0.2.8",
- "winapi-build",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -1328,24 +977,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.80"
+version = "0.2.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
-
-[[package]]
-name = "linked-hash-map"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
-
-[[package]]
-name = "lock_api"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
-dependencies = [
- "scopeguard",
-]
+checksum = "8916b1f6ca17130ec6568feccee27c156ad12037880833a3b842a823236502e7"
 
 [[package]]
 name = "lock_api"
@@ -1365,64 +999,24 @@ dependencies = [
  "cfg-if 0.1.10",
 ]
 
-[[package]]
-name = "lru-cache"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
-dependencies = [
- "linked-hash-map",
-]
-
-[[package]]
-name = "match_cfg"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
-
 [[package]]
 name = "matches"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "memchr"
 version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
-[[package]]
-name = "memoffset"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
-dependencies = [
- "autocfg 1.0.1",
-]
-
 [[package]]
 name = "mime"
 version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
-[[package]]
-name = "mime_guess"
-version = "2.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2684d4c2e97d99848d30b324b00c8fcc7e5c897b7cbb5819b09e7c90e8baf212"
-dependencies = [
- "mime",
- "unicase",
-]
-
 [[package]]
 name = "miniz_oxide"
 version = "0.4.3"
@@ -1430,56 +1024,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
 dependencies = [
  "adler",
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
 name = "mio"
-version = "0.6.22"
+version = "0.7.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fce347092656428bc8eaf6201042cb551b8d67855af7374542a92a0fbfcac430"
+checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
 dependencies = [
- "cfg-if 0.1.10",
- "fuchsia-zircon",
- "fuchsia-zircon-sys",
- "iovec",
- "kernel32-sys",
  "libc",
  "log",
  "miow",
- "net2",
- "slab",
- "winapi 0.2.8",
-]
-
-[[package]]
-name = "mio-uds"
-version = "0.6.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afcb699eb26d4332647cc848492bbc15eafb26f08d0304550d5aa1f612e066f0"
-dependencies = [
- "iovec",
- "libc",
- "mio",
+ "ntapi",
+ "winapi",
 ]
 
 [[package]]
 name = "miow"
-version = "0.2.1"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
+checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
 dependencies = [
- "kernel32-sys",
- "net2",
- "winapi 0.2.8",
- "ws2_32-sys",
+ "winapi",
 ]
 
 [[package]]
 name = "native-tls"
-version = "0.2.4"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b0d88c06fe90d5ee94048ba40409ef1d9315d86f6f38c2efdaad4fb50c58b2d"
+checksum = "b8d96b2e1c8da3957d58100b09f102c6d9cfdfced01b7ec5a8974044bb09dbd4"
 dependencies = [
  "lazy_static",
  "libc",
@@ -1494,14 +1068,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "net2"
-version = "0.2.35"
+name = "ntapi"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ebc3ec692ed7c9a255596c67808dee269f64655d8baf7b4f0638e51ba1d6853"
+checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
 dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -1510,7 +1082,7 @@ version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "num-traits",
 ]
 
@@ -1520,7 +1092,7 @@ version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
@@ -1533,17 +1105,11 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "object"
-version = "0.21.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37fd5004feb2ce328a52b0b3d01dbf4ffff72583493900ed15f22d4111c51693"
-
 [[package]]
 name = "once_cell"
-version = "1.4.1"
+version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"
+checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
 
 [[package]]
 name = "opaque-debug"
@@ -1577,7 +1143,7 @@ version = "0.9.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a842db4709b604f0fe5d1170ae3565899be2ad3d9cbc72dedc789ac0511f78de"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "cc",
  "libc",
  "pkg-config",
@@ -1592,9 +1158,9 @@ checksum = "2ac6fe3538f701e339953a3ebbe4f39941aababa8a3f6964635b24ab526daeac"
 
 [[package]]
 name = "parity-scale-codec"
-version = "1.3.5"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c740e5fbcb6847058b40ac7e5574766c6388f585e184d769910fe0d3a2ca861"
+checksum = "0cd3dab59b5cf4bc81069ade0fc470341a1ef3ad5fa73e5a8943bed2ec12b2e8"
 dependencies = [
  "arrayvec",
  "bitvec",
@@ -1602,17 +1168,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "parking_lot"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
-dependencies = [
- "lock_api 0.3.4",
- "parking_lot_core 0.6.2",
- "rustc_version",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.11.0"
@@ -1620,23 +1175,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
 dependencies = [
  "instant",
- "lock_api 0.4.1",
- "parking_lot_core 0.8.0",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
-dependencies = [
- "cfg-if 0.1.10",
- "cloudabi 0.0.3",
- "libc",
- "redox_syscall",
- "rustc_version",
- "smallvec 0.6.13",
- "winapi 0.3.9",
+ "lock_api",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -1646,53 +1186,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
 dependencies = [
  "cfg-if 0.1.10",
- "cloudabi 0.1.0",
+ "cloudabi",
  "instant",
  "libc",
  "redox_syscall",
- "smallvec 1.4.2",
- "winapi 0.3.9",
+ "smallvec",
+ "winapi",
 ]
 
-[[package]]
-name = "percent-encoding"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
-
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
-[[package]]
-name = "pin-project"
-version = "0.4.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ffbc8e94b38ea3d2d8ba92aea2983b503cd75d0888d75b86bb37970b5698e15"
-dependencies = [
- "pin-project-internal 0.4.27",
-]
-
 [[package]]
 name = "pin-project"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee41d838744f60d959d7074e3afb6b35c7456d0f61cad38a24e35e6553f73841"
 dependencies = [
- "pin-project-internal 1.0.1",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "0.4.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "pin-project-internal",
 ]
 
 [[package]]
@@ -1712,6 +1226,12 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc0e1f259c92177c30a4c9d177246edd0a3568b25756a977d0632cf8fa37e905"
+
 [[package]]
 name = "pin-utils"
 version = "0.1.0"
@@ -1732,9 +1252,9 @@ checksum = "c36fa947111f5c62a733b652544dd0016a43ce89619538a8ef92724a6f501a20"
 
 [[package]]
 name = "primitive-types"
-version = "0.7.2"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c55c21c64d0eaa4d7ed885d959ef2d62d9e488c27c0e02d9aa5ce6c877b7d5f8"
+checksum = "2415937401cb030a2a0a4d922483f945fa068f52a7dbb22ce0fe5f2b6f6adace"
 dependencies = [
  "fixed-hash",
  "impl-codec",
@@ -1772,12 +1292,6 @@ version = "0.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99c605b9a0adc77b7211c6b1f722dcb613d68d66859a44f3d485a6da332b0598"
 
-[[package]]
-name = "proc-macro-nested"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eba180dafb9038b050a4c280019bbedf9f2467b61e5d892dcad585bb57aadc5a"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
@@ -1787,25 +1301,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "publicsuffix"
-version = "1.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bbaa49075179162b49acac1c6aa45fb4dafb5f13cf6794276d77bc7fd95757b"
-dependencies = [
- "error-chain",
- "idna 0.2.0",
- "lazy_static",
- "regex",
- "url 2.1.1",
-]
-
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quote"
 version = "1.0.7"
@@ -1817,28 +1312,9 @@ dependencies = [
 
 [[package]]
 name = "radium"
-version = "0.3.0"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "def50a86306165861203e7f84ecffbbdfdea79f0e51039b33de1e952358c47ac"
-
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.7",
- "libc",
- "rand_chacha 0.1.1",
- "rand_core 0.4.2",
- "rand_hc 0.1.0",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg",
- "rand_xorshift",
- "winapi 0.3.9",
-]
+checksum = "643f8f41a8ebc4c5dc4515c82bb8abd397b527fc20fd681b7c011c2aee5d44fb"
 
 [[package]]
 name = "rand"
@@ -1846,7 +1322,7 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.15",
  "libc",
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
@@ -1854,13 +1330,15 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_chacha"
-version = "0.1.1"
+name = "rand"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
+checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
 dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.3.1",
+ "libc",
+ "rand_chacha 0.3.0",
+ "rand_core 0.6.2",
+ "rand_hc 0.3.0",
 ]
 
 [[package]]
@@ -1874,36 +1352,31 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_core"
-version = "0.3.1"
+name = "rand_chacha"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
- "rand_core 0.4.2",
+ "ppv-lite86",
+ "rand_core 0.6.2",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.15",
 ]
 
 [[package]]
-name = "rand_hc"
-version = "0.1.0"
+name = "rand_core"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
+checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
 dependencies = [
- "rand_core 0.3.1",
+ "getrandom 0.2.2",
 ]
 
 [[package]]
@@ -1916,65 +1389,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "rand_isaac"
-version = "0.1.1"
+name = "rand_hc"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi 0.0.3",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
+ "rand_core 0.6.2",
 ]
 
 [[package]]
@@ -2007,59 +1427,44 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
 name = "reqwest"
-version = "0.9.24"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f88643aea3c1343c804950d7bf983bd2067f5ab59db6d613a08e05572f2714ab"
+checksum = "bf12057f289428dbf5c591c74bf10392e4a8003f993405a902f20117019022d4"
 dependencies = [
- "base64 0.10.1",
- "bytes 0.4.12",
- "cookie 0.12.0",
- "cookie_store",
+ "base64",
+ "bytes",
  "encoding_rs",
- "flate2",
- "futures 0.1.30",
- "http 0.1.21",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
  "hyper",
  "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "lazy_static",
  "log",
  "mime",
- "mime_guess",
  "native-tls",
+ "percent-encoding",
+ "pin-project-lite 0.2.6",
  "serde",
  "serde_json",
- "serde_urlencoded 0.5.5",
- "time 0.1.44",
- "tokio 0.1.22",
- "tokio-executor",
- "tokio-io",
- "tokio-threadpool",
- "tokio-timer",
- "url 1.7.2",
- "uuid",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
  "winreg",
 ]
 
-[[package]]
-name = "resolv-conf"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11834e137f3b14e309437a8276714eed3a80d1ef894869e510f2c0c0b98b9f4a"
-dependencies = [
- "hostname",
- "quick-error",
-]
-
-[[package]]
-name = "rustc-demangle"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
-
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
@@ -2094,7 +1499,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
 dependencies = [
  "lazy_static",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2105,9 +1510,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "security-framework"
-version = "0.4.4"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64808902d7d99f78eaddd2b4e2509713babc3dc3c85ad6f4c447680f3c01e535"
+checksum = "d493c5f39e02dfb062cd8f33301f90f9b13b650e8c1b1d0fd75c19dd64bff69d"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -2118,9 +1523,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "0.4.3"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17bf11d99252f512695eb468de5516e5cf75455521e69dfe343f3b74e4748405"
+checksum = "dee48cdde5ed250b0d3252818f646e174ab414036edb884dde62d80a3ac6082d"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -2174,26 +1579,14 @@ dependencies = [
 
 [[package]]
 name = "serde_urlencoded"
-version = "0.5.5"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "642dd69105886af2efd227f75a520ec9b44a820d65bc133a9131f7d229fd165a"
+checksum = "edfa57a7f8d9c1d260a549e7224100f6c43d43f9103e06dd8b4095a9b2b43ce9"
 dependencies = [
- "dtoa",
+ "form_urlencoded",
  "itoa",
+ "ryu",
  "serde",
- "url 1.7.2",
-]
-
-[[package]]
-name = "serde_urlencoded"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
-dependencies = [
- "dtoa",
- "itoa",
- "serde",
- "url 2.1.1",
 ]
 
 [[package]]
@@ -2235,7 +1628,7 @@ dependencies = [
  "chrono",
  "colored",
  "log",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2246,36 +1639,26 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "0.6.13"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
-dependencies = [
- "maybe-uninit",
-]
-
-[[package]]
-name = "smallvec"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
+checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
 name = "socket2"
-version = "0.3.15"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1fa70dc5c8104ec096f4fe7ede7a221d35ae13dcd19ba1ad9a81d2cab9a1c44"
+checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
- "redox_syscall",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
 name = "standback"
-version = "0.2.11"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4e0831040d2cf2bdfd51b844be71885783d489898a192f254ae25d57cce725c"
+checksum = "e113fb6f3de07a243d434a56ec6f186dfd51cb08448239fe7bcae73f87ff28ff"
 dependencies = [
  "version_check",
 ]
@@ -2335,15 +1718,6 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
 
-[[package]]
-name = "string"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d24114bfcceb867ca7f71a0d3fe45d45619ec47a6fbfa98cb14e14250bfa5d6d"
-dependencies = [
- "bytes 0.4.12",
-]
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -2362,16 +1736,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.4"
+name = "tap"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
-]
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "telemetry"
@@ -2381,14 +1749,14 @@ dependencies = [
  "actix-http",
  "actix-web",
  "actix-web-actors",
- "bytes 0.5.6",
+ "bytes",
  "chrono",
  "clap",
  "fnv",
  "lazy_static",
  "log",
  "num-traits",
- "parking_lot 0.11.0",
+ "parking_lot",
  "primitive-types",
  "reqwest",
  "rustc-hash",
@@ -2408,7 +1776,7 @@ dependencies = [
  "rand 0.7.3",
  "redox_syscall",
  "remove_dir_all",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2429,26 +1797,6 @@ dependencies = [
  "unicode-width",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "318234ffa22e0920fe9a40d7b8369b5f649d490980cf7aadcf1eb91594869b42"
-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cae2447b6282786c3493999f40a9be2a6ad20cb8bd268b0a0dbf5a065535c0ab"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "thread_local"
 version = "1.0.1"
@@ -2458,15 +1806,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "threadpool"
-version = "1.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d050e60b33d41c19108b32cea32164033a9013fe3b46cbd4457559bfbf77afaa"
-dependencies = [
- "num_cpus",
-]
-
 [[package]]
 name = "time"
 version = "0.1.44"
@@ -2475,14 +1814,14 @@ checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
 dependencies = [
  "libc",
  "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
 name = "time"
-version = "0.2.22"
+version = "0.2.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55b7151c9065e80917fbf285d9a5d1432f60db41d170ccafc749a136b41a93af"
+checksum = "08a8cbfbf47955132d0202d1662f49b2423ae35862aee471f3ba4b133358f372"
 dependencies = [
  "const_fn",
  "libc",
@@ -2490,7 +1829,7 @@ dependencies = [
  "stdweb",
  "time-macros",
  "version_check",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2522,190 +1861,55 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "238ce071d267c5710f9d31451efec16c5ee22de34df17cc05e56cbc92e967117"
 
-[[package]]
-name = "tinyvec"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b78a366903f506d2ad52ca8dc552102ffdd3e937ba8a227f024dc1d1eae28575"
-dependencies = [
- "tinyvec_macros",
-]
-
-[[package]]
-name = "tinyvec_macros"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
-
 [[package]]
 name = "tokio"
-version = "0.1.22"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a09c0b5bb588872ab2f09afa13ee6e9dac11e10a0ec9e8e3ba39a5a5d530af6"
+checksum = "134af885d758d645f0f0505c9a8b3f9bf8a348fd822e112ab5248138348f1722"
 dependencies = [
- "bytes 0.4.12",
- "futures 0.1.30",
- "mio",
- "num_cpus",
- "tokio-current-thread",
- "tokio-executor",
- "tokio-io",
- "tokio-reactor",
- "tokio-tcp",
- "tokio-threadpool",
- "tokio-timer",
-]
-
-[[package]]
-name = "tokio"
-version = "0.2.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
-dependencies = [
- "bytes 0.5.6",
- "fnv",
- "futures-core",
- "iovec",
- "lazy_static",
+ "autocfg",
+ "bytes",
  "libc",
  "memchr",
  "mio",
- "mio-uds",
- "pin-project-lite",
+ "num_cpus",
+ "once_cell",
+ "parking_lot",
+ "pin-project-lite 0.2.6",
  "signal-hook-registry",
- "slab",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
-name = "tokio-buf"
-version = "0.1.1"
+name = "tokio-native-tls"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fb220f46c53859a4b7ec083e41dec9778ff0b1851c0942b211edb89e0ccdc46"
+checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
 dependencies = [
- "bytes 0.4.12",
- "either",
- "futures 0.1.30",
-]
-
-[[package]]
-name = "tokio-current-thread"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1de0e32a83f131e002238d7ccde18211c0a5397f60cbfffcb112868c2e0e20e"
-dependencies = [
- "futures 0.1.30",
- "tokio-executor",
-]
-
-[[package]]
-name = "tokio-executor"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
-dependencies = [
- "crossbeam-utils",
- "futures 0.1.30",
-]
-
-[[package]]
-name = "tokio-io"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
-dependencies = [
- "bytes 0.4.12",
- "futures 0.1.30",
- "log",
-]
-
-[[package]]
-name = "tokio-reactor"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
-dependencies = [
- "crossbeam-utils",
- "futures 0.1.30",
- "lazy_static",
- "log",
- "mio",
- "num_cpus",
- "parking_lot 0.9.0",
- "slab",
- "tokio-executor",
- "tokio-io",
- "tokio-sync",
-]
-
-[[package]]
-name = "tokio-sync"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edfe50152bc8164fcc456dab7891fa9bf8beaf01c5ee7e1dd43a397c3cf87dee"
-dependencies = [
- "fnv",
- "futures 0.1.30",
-]
-
-[[package]]
-name = "tokio-tcp"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98df18ed66e3b72e742f185882a9e201892407957e45fbff8da17ae7a7c51f72"
-dependencies = [
- "bytes 0.4.12",
- "futures 0.1.30",
- "iovec",
- "mio",
- "tokio-io",
- "tokio-reactor",
-]
-
-[[package]]
-name = "tokio-threadpool"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df720b6581784c118f0eb4310796b12b1d242a7eb95f716a8367855325c25f89"
-dependencies = [
- "crossbeam-deque",
- "crossbeam-queue",
- "crossbeam-utils",
- "futures 0.1.30",
- "lazy_static",
- "log",
- "num_cpus",
- "slab",
- "tokio-executor",
-]
-
-[[package]]
-name = "tokio-timer"
-version = "0.2.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
-dependencies = [
- "crossbeam-utils",
- "futures 0.1.30",
- "slab",
- "tokio-executor",
+ "native-tls",
+ "tokio",
 ]
 
 [[package]]
 name = "tokio-util"
-version = "0.3.1"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
+checksum = "5143d049e85af7fbc36f5454d990e62c2df705b3589f123b71f441b6b59f443f"
 dependencies = [
- "bytes 0.5.6",
+ "bytes",
  "futures-core",
- "futures-io",
  "futures-sink",
  "log",
- "pin-project-lite",
- "tokio 0.2.22",
+ "pin-project-lite 0.2.6",
+ "tokio",
 ]
 
+[[package]]
+name = "tower-service"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
+
 [[package]]
 name = "tracing"
 version = "0.1.21"
@@ -2713,8 +1917,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0987850db3733619253fe60e17cb59b82d37c7e6c0236bb81e4d6b87c879f27"
 dependencies = [
  "cfg-if 0.1.10",
- "log",
- "pin-project-lite",
+ "pin-project-lite 0.1.11",
  "tracing-core",
 ]
 
@@ -2727,71 +1930,12 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "tracing-futures"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab7bb6f14721aa00656086e9335d363c5c8747bae02ebe32ea2c7dece5689b4c"
-dependencies = [
- "pin-project 0.4.27",
- "tracing",
-]
-
-[[package]]
-name = "trust-dns-proto"
-version = "0.19.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdd7061ba6f4d4d9721afedffbfd403f20f39a4301fee1b70d6fcd09cca69f28"
-dependencies = [
- "async-trait",
- "backtrace",
- "enum-as-inner",
- "futures 0.3.7",
- "idna 0.2.0",
- "lazy_static",
- "log",
- "rand 0.7.3",
- "smallvec 1.4.2",
- "thiserror",
- "tokio 0.2.22",
- "url 2.1.1",
-]
-
-[[package]]
-name = "trust-dns-resolver"
-version = "0.19.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f23cdfdc3d8300b3c50c9e84302d3bd6d860fb9529af84ace6cf9665f181b77"
-dependencies = [
- "backtrace",
- "cfg-if 0.1.10",
- "futures 0.3.7",
- "ipconfig",
- "lazy_static",
- "log",
- "lru-cache",
- "resolv-conf",
- "smallvec 1.4.2",
- "thiserror",
- "tokio 0.2.22",
- "trust-dns-proto",
-]
-
 [[package]]
 name = "try-lock"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
-[[package]]
-name = "try_from"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "283d3b89e1368717881a9d51dad843cc435380d8109c9e47d38780a324698d8b"
-dependencies = [
- "cfg-if 0.1.10",
-]
-
 [[package]]
 name = "typenum"
 version = "1.12.0"
@@ -2800,25 +1944,16 @@ checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 
 [[package]]
 name = "uint"
-version = "0.8.5"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9db035e67dfaf7edd9aebfe8676afcd63eed53c8a4044fed514c8cccf1835177"
+checksum = "e11fe9a9348741cf134085ad57c249508345fe16411b3d7fb4ff2da2f1d6382e"
 dependencies = [
  "byteorder",
  "crunchy",
- "rustc-hex",
+ "hex",
  "static_assertions",
 ]
 
-[[package]]
-name = "unicase"
-version = "2.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
-dependencies = [
- "version_check",
-]
-
 [[package]]
 name = "unicode-bidi"
 version = "0.3.4"
@@ -2834,7 +1969,7 @@ version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb19cf769fa8c6a80a162df694621ebeb4dafb606470b2b2fce0be40a98a977"
 dependencies = [
- "tinyvec 0.3.4",
+ "tinyvec",
 ]
 
 [[package]]
@@ -2857,33 +1992,14 @@ checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
 name = "url"
-version = "1.7.2"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
+checksum = "9ccd964113622c8e9322cfac19eb1004a07e636c545f325da085d5cdde6f1f8b"
 dependencies = [
- "idna 0.1.5",
+ "form_urlencoded",
+ "idna",
  "matches",
- "percent-encoding 1.0.1",
-]
-
-[[package]]
-name = "url"
-version = "2.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "829d4a8476c35c9bf0bbce5a3b23f4106f79728039b726d292bb93bc106787cb"
-dependencies = [
- "idna 0.2.0",
- "matches",
- "percent-encoding 2.1.0",
-]
-
-[[package]]
-name = "uuid"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90dbc611eb48397705a6b0f6e917da23ae517e4d127123d2cf7674206627d32a"
-dependencies = [
- "rand 0.6.5",
+ "percent-encoding",
 ]
 
 [[package]]
@@ -2906,11 +2022,10 @@ checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
 [[package]]
 name = "want"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6395efa4784b027708f7451087e647ec73cc74f5d9bc2e418404248d679a230"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 dependencies = [
- "futures 0.1.30",
  "log",
  "try-lock",
 ]
@@ -2929,19 +2044,21 @@ checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.68"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ac64ead5ea5f05873d7c12b545865ca2b8d28adfc50a49b84770a3a97265d42"
+checksum = "8fe8f61dba8e5d645a4d8132dc7a0a66861ed5e1045d2c0ed940fab33bac0fbe"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
+ "serde",
+ "serde_json",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.68"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f22b422e2a757c35a73774860af8e112bff612ce6cb604224e8e47641a9e4f68"
+checksum = "046ceba58ff062da072c7cb4ba5b22a37f00a302483f7e2a6cdc18fedbdc1fd3"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -2953,10 +2070,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.68"
+name = "wasm-bindgen-futures"
+version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b13312a745c08c469f0b292dd2fcd6411dba5f7160f593da6ef69b64e407038"
+checksum = "73157efb9af26fb564bb59a009afd1c7c334a44db171d280690d0c3faaec3468"
+dependencies = [
+ "cfg-if 1.0.0",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ef9aa01d36cda046f797c57959ff5f3c615c9cc63997a8d545831ec7976819b"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -2964,9 +2093,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.68"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
+checksum = "96eb45c1b2ee33545a813a92dbb53856418bf7eb54ab34f7f7ff1448a5b3735d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2977,21 +2106,19 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.68"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"
+checksum = "b7148f4696fb4960a346eaa60bbfb42a1ac4ebba21f750f75fc1375b098d5ffa"
 
 [[package]]
-name = "widestring"
-version = "0.4.3"
+name = "web-sys"
+version = "0.3.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c168940144dd21fd8046987c16a46a33d5fc84eec29ef9dcddc2ac9e31526b7c"
-
-[[package]]
-name = "winapi"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+checksum = "59fe19d70f5dacc03f6e46777213facae5ac3801575d56ca6cbd4c93dcd12310"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
 
 [[package]]
 name = "winapi"
@@ -3003,12 +2130,6 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu",
 ]
 
-[[package]]
-name = "winapi-build"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -3021,7 +2142,7 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -3032,19 +2153,15 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "winreg"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
+checksum = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
-name = "ws2_32-sys"
-version = "0.2.1"
+name = "wyz"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 1cdcace..7a236f1 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -6,21 +6,21 @@ edition = "2018"
 license = "GPL-3.0"
 
 [dependencies]
-actix = "0.10.0"
-actix-web = "3.1.0"
-actix-web-actors = "3.0.0"
-actix-http = "2.0.0"
-bytes = "0.5.6"
+actix = "0.11.1"
+actix-web = "4.0.0-beta.4"
+actix-web-actors = "4.0.0-beta.3"
+actix-http = "3.0.0-beta.4"
+bytes = "1.0.1"
 chrono = { version = "0.4", features = ["serde"] }
 fnv = "1.0.7"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0", features = ["raw_value"] }
-primitive-types = { version = "0.7.2", features = ["serde"] }
+primitive-types = { version = "0.9.0", features = ["serde"] }
 log = "0.4"
 simple_logger = "1.11.0"
 num-traits = "0.2"
 parking_lot = "0.11"
-reqwest = "0.9.18"
+reqwest = { version = "0.11.1", features = ["blocking", "json"] }
 rustc-hash = "1.1.0"
 clap = "3.0.0-beta.2"
 lazy_static = "1"
@@ -28,6 +28,3 @@ lazy_static = "1"
 [profile.release]
 lto = true
 panic = "abort"
-
-[patch.crates-io]
-actix-web = { git = "https://github.com/maciejhirsz/actix-web", branch = "no-panic-normalize" }
diff --git a/backend/src/aggregator.rs b/backend/src/aggregator.rs
index 52d0622..10b02a0 100644
--- a/backend/src/aggregator.rs
+++ b/backend/src/aggregator.rs
@@ -15,6 +15,8 @@ pub struct Aggregator {
     chains: DenseMap<ChainEntry>,
     feeds: DenseMap<Addr<FeedConnector>>,
     serializer: FeedMessageSerializer,
+    /// Denylist for networks we do not want to allow connecting.
+    denylist: HashSet<String>
 }
 
 pub struct ChainEntry {
@@ -43,13 +45,14 @@ lazy_static! {
 const THIRD_PARTY_NETWORKS_MAX_NODES: usize = 500;
 
 impl Aggregator {
-    pub fn new() -> Self {
+    pub fn new(denylist: HashSet<String>) -> Self {
         Aggregator {
             labels: HashMap::new(),
             networks: HashMap::new(),
             chains: DenseMap::new(),
             feeds: DenseMap::new(),
             serializer: FeedMessageSerializer::new(),
+            denylist,
         }
     }
 
@@ -192,6 +195,10 @@ impl Handler<AddNode> for Aggregator {
     type Result = ();
 
     fn handle(&mut self, msg: AddNode, ctx: &mut Self::Context) {
+        if self.denylist.contains(&*msg.node.chain) {
+            log::debug!(target: "Aggregator::AddNode", "'{}' is on the denylist.", msg.node.chain);
+            return;
+        }
         let AddNode { node, conn_id, rec } = msg;
         log::trace!(target: "Aggregator::AddNode", "New node connected. Chain '{}'", node.chain);
 
diff --git a/backend/src/chain.rs b/backend/src/chain.rs
index 5c13773..1f4ea4c 100644
--- a/backend/src/chain.rs
+++ b/backend/src/chain.rs
@@ -18,7 +18,7 @@ pub type Label = Arc<str>;
 
 pub struct Chain {
     cid: ChainId,
-    /// Who to inform if we Chain drops itself
+    /// Who to inform if the Chain drops itself
     aggregator: Addr<Aggregator>,
     /// Label of this chain, along with count of nodes that use this label
     label: (Label, usize),
diff --git a/backend/src/main.rs b/backend/src/main.rs
index 3577abe..c5168c9 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -1,4 +1,6 @@
 use std::net::Ipv4Addr;
+use std::collections::HashSet;
+use std::iter::FromIterator;
 
 use actix::prelude::*;
 use actix_http::ws::Codec;
@@ -25,16 +27,23 @@ const AUTHORS: &str = env!("CARGO_PKG_AUTHORS");
 const NAME: &str = "Substrate Telemetry Backend";
 const ABOUT: &str = "This is the Telemetry Backend that injects and provide the data sent by Substrate/Polkadot nodes";
 
-#[derive(Clap)]
+#[derive(Clap, Debug)]
 #[clap(name = NAME, version = VERSION, author = AUTHORS, about = ABOUT)]
 struct Opts {
     #[clap(
         short = 'l',
         long = "listen",
         default_value = "127.0.0.1:8000",
-        about = "This is the socket address Telemetry is listening to. This is restricted localhost (127.0.0.1) by default and should be fine for most use cases. If you are using Telemetry in a container, you likely want to set this to '0.0.0.0:8000'"
+        about = "This is the socket address Telemetry is listening to. This is restricted to localhost (127.0.0.1) by default and should be fine for most use cases. If you are using Telemetry in a container, you likely want to set this to '0.0.0.0:8000'"
     )]
     socket: std::net::SocketAddr,
+    #[clap(
+        required = false,
+        long = "denylist",
+        default_value = "Earth",
+        about = "Space delimited list of chains that are not allowed to connect to telemetry. Case sensitive."
+    )]
+    denylist: Vec<String>,
     #[clap(
         arg_enum,
         required = false,
@@ -67,7 +76,7 @@ impl From<&LogLevel> for log::LevelFilter {
 }
 
 /// Entry point for connecting nodes
-#[get("/submit/")]
+#[get("/submit")]
 async fn node_route(
     req: HttpRequest,
     stream: web::Payload,
@@ -93,7 +102,7 @@ async fn node_route(
 }
 
 /// Entry point for connecting feeds
-#[get("/feed/")]
+#[get("/feed")]
 async fn feed_route(
     req: HttpRequest,
     stream: web::Payload,
@@ -107,7 +116,7 @@ async fn feed_route(
 }
 
 /// Entry point for network state dump
-#[get("/network_state/{chain}/{nid}/")]
+#[get("/network_state/{chain}/{nid}")]
 async fn state_route(
     path: web::Path<(Box<str>, NodeId)>,
     aggregator: web::Data<Addr<Aggregator>>,
@@ -136,7 +145,7 @@ async fn state_route(
 }
 
 /// Entry point for health check monitoring bots
-#[get("/health/")]
+#[get("/health")]
 async fn health(aggregator: web::Data<Addr<Aggregator>>) -> Result<HttpResponse, Error> {
     match aggregator.send(GetHealth).await {
         Ok(count) => {
@@ -160,7 +169,8 @@ async fn main() -> std::io::Result<()> {
     let log_level = &opts.log_level;
     SimpleLogger::new().with_level(log_level.into()).init().expect("Must be able to start a logger");
 
-    let aggregator = Aggregator::new().start();
+    let denylist = HashSet::from_iter(opts.denylist);
+    let aggregator = Aggregator::new(denylist).start();
     let factory = LocatorFactory::new();
     let locator = SyncArbiter::start(4, move || factory.create());
 
@@ -174,7 +184,7 @@ async fn main() -> std::io::Result<()> {
             .service(state_route)
             .service(health)
     })
-    .bind(format!("{}", opts.socket))?
+    .bind(opts.socket)?
     .run()
     .await
 }
diff --git a/backend/src/node/connector.rs b/backend/src/node/connector.rs
index 5b8fa2b..c219acf 100644
--- a/backend/src/node/connector.rs
+++ b/backend/src/node/connector.rs
@@ -196,7 +196,7 @@ impl StreamHandler<Result<ws::Message, ws::ProtocolError>> for NodeConnector {
                 return;
             }
             Ok(ws::Message::Pong(_)) => return,
-            Ok(ws::Message::Text(text)) => text.into(),
+            Ok(ws::Message::Text(text)) => text.into_bytes(),
             Ok(ws::Message::Binary(data)) => data,
             Ok(ws::Message::Close(_)) => {
                 ctx.stop();
diff --git a/backend/src/util/location.rs b/backend/src/util/location.rs
index 7a64fd1..3ce82fa 100644
--- a/backend/src/util/location.rs
+++ b/backend/src/util/location.rs
@@ -11,7 +11,7 @@ use crate::types::{NodeId, NodeLocation};
 
 #[derive(Clone)]
 pub struct Locator {
-    client: reqwest::Client,
+    client: reqwest::blocking::Client,
     cache: Arc<RwLock<FxHashMap<Ipv4Addr, Option<Arc<NodeLocation>>>>>,
 }
 
@@ -36,7 +36,7 @@ impl LocatorFactory {
 
     pub fn create(&self) -> Locator {
         Locator {
-            client: reqwest::Client::new(),
+            client: reqwest::blocking::Client::new(),
             cache: self.cache.clone(),
         }
     }
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 266f6fe..8d48811 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -1594,10 +1594,10 @@ bluebird@^3.4.7, bluebird@^3.5.1:
   resolved "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.9"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
-  integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
 
 bn.js@^5.1.1:
   version "5.1.1"
@@ -1690,7 +1690,7 @@ braces@^3.0.1:
   dependencies:
     fill-range "^7.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
@@ -3046,17 +3046,17 @@ elegant-spinner@^1.0.1:
   integrity sha1-2wQ1IcldfjA/2PNFvtwzSc+wcp4=
 
 elliptic@^6.0.0, elliptic@^6.5.2:
-  version "6.5.3"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
-  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
   dependencies:
-    bn.js "^4.4.0"
-    brorand "^1.0.1"
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
     hash.js "^1.0.0"
-    hmac-drbg "^1.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-    minimalistic-crypto-utils "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
 
 emoji-regex@^8.0.0:
   version "8.0.0"
@@ -4224,7 +4224,7 @@ he@1.2.x:
   resolved "https://registry.npmjs.org/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
@@ -4510,7 +4510,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3, inherits@~2.0.4:
+inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.1, inherits@~2.0.3, inherits@~2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -6278,7 +6278,7 @@ minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
   integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
 
-minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
@@ -9654,9 +9654,9 @@ uri-js@^4.2.2:
     punycode "^2.1.0"
 
 urijs@^1.16.1:
-  version "1.19.5"
-  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.5.tgz#119683ab4b2fb0bd637e5ea6dd9117bcac68d3e4"
-  integrity sha512-48z9VGWwdCV5KfizHsE05DWS5fhK6gFlx5MjO7xu0Krc5FGPWzjlXEVV0nPMrdVuP7xmMHiPZ2HoYZwKOFTZOg==
+  version "1.19.6"
+  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.6.tgz#51f8cb17ca16faefb20b9a31ac60f84aa2b7c870"
+  integrity sha512-eSXsXZ2jLvGWeLYlQA3Gh36BcjF+0amo92+wHPyN1mdR8Nxf75fuEuYTd9c0a+m/vhCjRK0ESlE9YNLW+E1VEw==
 
 urix@^0.1.0:
   version "0.1.0"