git.delta.rocks / unique-network / refs/commits / d89590b11016

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -11,10 +11,79 @@
 ]
 
 [[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 = "adler32"
-version = "1.0.4"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d2e7343e7fc9de883d1b0341e0b13970f764c14101234857d2ddafa1cb1cac2"
+checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
+
+[[package]]
+name = "aead"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc95d1bdb8e6666b2b217308eeeb09f2d6728d104be3e31916cc74d15420331"
+dependencies = [
+ "generic-array 0.14.3",
+]
+
+[[package]]
+name = "aes"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7001367fde4c768a19d1029f0a8be5abd9308e1119846d5bd9ad26297b8faf5"
+dependencies = [
+ "aes-soft",
+ "aesni",
+ "block-cipher",
+]
+
+[[package]]
+name = "aes-gcm"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86f5007801316299f922a6198d1d09a0bae95786815d066d5880d13f7c45ead1"
+dependencies = [
+ "aead",
+ "aes",
+ "block-cipher",
+ "ghash",
+ "subtle 2.2.3",
+]
+
+[[package]]
+name = "aes-soft"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4925647ee64e5056cf231608957ce7c81e12d6d6e316b9ce1404778cc1d35fa7"
+dependencies = [
+ "block-cipher",
+ "byteorder",
+ "opaque-debug 0.2.3",
+]
+
+[[package]]
+name = "aesni"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d050d39b0b7688b3a3254394c3e30a9d66c41dcf9b05b0e2dbdc623f6505d264"
+dependencies = [
+ "block-cipher",
+ "opaque-debug 0.2.3",
+]
 
 [[package]]
 name = "ahash"
@@ -27,9 +96,9 @@
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.10"
+version = "0.7.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8716408b8bc624ed7f65d223ddb9ac2d044c0547b6fa4b0d554f3a9540496ada"
+checksum = "043164d8ba5c4c3035fec9bbee8647c0261d788f3474306f93bb65901cae0e86"
 dependencies = [
  "memchr",
 ]
@@ -42,7 +111,7 @@
 dependencies = [
  "approx",
  "num-complex",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
 ]
 
 [[package]]
@@ -51,7 +120,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 dependencies = [
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -60,26 +129,14 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
 dependencies = [
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
 name = "anyhow"
-version = "1.0.28"
+version = "1.0.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9a60d744a80c30fcb657dfe2c1b22bcb3e814c1a1e3674f32bf5820b570fbff"
-
-[[package]]
-name = "app_dirs"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e73a24bad9bd6a94d6395382a6c69fe071708ae4409f763c5475e14ee896313d"
-dependencies = [
- "ole32-sys",
- "shell32-sys",
- "winapi 0.2.8",
- "xdg",
-]
+checksum = "85bb70cc08ec97ca5450e6eba421deeea5f172c0fc61f78b5357b2a8e8be195f"
 
 [[package]]
 name = "approx"
@@ -87,14 +144,14 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0e60b75072ecd4168020818c0107f2857bb6c4e64252d8d3983f6263b40a5c3"
 dependencies = [
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
 ]
 
 [[package]]
 name = "arc-swap"
-version = "0.4.5"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d663a8e9a99154b5fb793032533f6328da35e23aac63d5c152279aa8ba356825"
+checksum = "4d25d88fd6b8041580a654f9d0c581a047baee2b3efee13275f2fc392fc75034"
 
 [[package]]
 name = "arrayref"
@@ -132,8 +189,8 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d0864d84b8e07b145449be9a8537db86bf9de5ce03b913214694643b4743502"
 dependencies = [
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -175,7 +232,7 @@
 checksum = "0ac2c016b079e771204030951c366db398864f5026f84a44dafb0ff20f02085d"
 dependencies = [
  "libc",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -184,7 +241,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95fd83426b89b034bf4e9ceb9c533c2f2386b813fd3dcae0a425ec6f1837d78a"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "rustls",
  "webpki",
  "webpki-roots 0.19.0",
@@ -198,7 +255,7 @@
 dependencies = [
  "hermit-abi",
  "libc",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -215,24 +272,16 @@
 
 [[package]]
 name = "backtrace"
-version = "0.3.46"
+version = "0.3.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1e692897359247cc6bb902933361652380af0f1b7651ae5c5013407f30e109e"
+checksum = "46254cf2fdcdf1badb5934448c1bcbe046a56537b3987d96c51a7afc5d03f293"
 dependencies = [
- "backtrace-sys",
+ "addr2line",
  "cfg-if",
  "libc",
+ "miniz_oxide",
+ "object",
  "rustc-demangle",
-]
-
-[[package]]
-name = "backtrace-sys"
-version = "0.1.35"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7de8aba10a69c8e8d7622c5710229485ec32e9d55fdad160ea559c086fdcd118"
-dependencies = [
- "cc",
- "libc",
 ]
 
 [[package]]
@@ -249,9 +298,9 @@
 
 [[package]]
 name = "bindgen"
-version = "0.53.2"
+version = "0.53.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bb26d6a69a335b8cb0e7c7e9775cd5666611dc50a37177c3f2cedcfc040e8c8"
+checksum = "c72a978d268b1d70b0e963217e60fdabd9523a941457a6c42a7315d15c7e89e5"
 dependencies = [
  "bitflags",
  "cexpr",
@@ -264,7 +313,7 @@
  "log",
  "peeking_take_while",
  "proc-macro2",
- "quote 1.0.3",
+ "quote 1.0.7",
  "regex",
  "rustc-hash",
  "shlex",
@@ -300,9 +349,22 @@
 checksum = "94cb07b0da6a73955f8fb85d24c466778e70cda767a568229b104f0264089330"
 dependencies = [
  "byte-tools",
- "crypto-mac",
- "digest",
- "opaque-debug",
+ "crypto-mac 0.7.0",
+ "digest 0.8.1",
+ "opaque-debug 0.2.3",
+]
+
+[[package]]
+name = "blake2"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84ce5b6108f8e154604bd4eb76a2f726066c3464d5a552a4229262a18c9bb471"
+dependencies = [
+ "byte-tools",
+ "byteorder",
+ "crypto-mac 0.8.0",
+ "digest 0.9.0",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
@@ -346,10 +408,28 @@
  "block-padding",
  "byte-tools",
  "byteorder",
- "generic-array",
+ "generic-array 0.12.3",
 ]
 
 [[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array 0.14.3",
+]
+
+[[package]]
+name = "block-cipher"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa136449e765dc7faa244561ccae839c394048667929af599b5d931ebe7b7f10"
+dependencies = [
+ "generic-array 0.14.3",
+]
+
+[[package]]
 name = "block-padding"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -374,24 +454,24 @@
 
 [[package]]
 name = "bs58"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b170cd256a3f9fa6b9edae3e44a7dfdfc77e8124dbc3e2612d75f9c3e2396dae"
+checksum = "476e9cd489f9e121e02ffa6014a8ef220ecb15c05ed23fc34cca13925dc283fb"
 
 [[package]]
 name = "bstr"
-version = "0.2.12"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2889e6d50f394968c8bf4240dc3f2a7eb4680844d27308f798229ac9d4725f41"
+checksum = "31accafdb70df7871592c058eca3985b71104e15ac32f64706022c58867da931"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "bumpalo"
-version = "3.2.1"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12ae9db68ad7fac5fe51304d20f016c911539251075a214f8e663babefa35187"
+checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "byte-slice-cast"
@@ -424,9 +504,9 @@
 
 [[package]]
 name = "bytes"
-version = "0.5.4"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "130aac562c0dd69c56b3b1cc8ffd2e17be31d0b6c25b61c96b76231aa23e39e1"
+checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
 [[package]]
 name = "c_linked_list"
@@ -436,9 +516,9 @@
 
 [[package]]
 name = "cc"
-version = "1.0.50"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95e28fa049fda1c330bcf9d723be7663a899c4679724b34c81e9f5a326aab8cd"
+checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
 dependencies = [
  "jobserver",
 ]
@@ -459,30 +539,53 @@
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
-name = "chacha20-poly1305-aead"
-version = "0.1.2"
+name = "chacha20"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77d2058ba29594f69c75e8a9018e0485e3914ca5084e3613cd64529042f5423b"
+checksum = "086c0f07ac275808b7bf9a39f2fd013aae1498be83632814c8c4e0bd53f2dc58"
 dependencies = [
- "constant_time_eq",
+ "stream-cipher",
+ "zeroize",
 ]
 
 [[package]]
+name = "chacha20poly1305"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18b0c90556d8e3fec7cf18d84a2f53d27b21288f2fe481b830fadcf809e48205"
+dependencies = [
+ "aead",
+ "chacha20",
+ "poly1305",
+ "stream-cipher",
+ "zeroize",
+]
+
+[[package]]
 name = "chrono"
-version = "0.4.11"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80094f509cf8b5ae86a4966a39b3ff66cd7e2a3e594accec3743ff3fabeab5b2"
+checksum = "c74d84029116787153e02106bf53e66828452a4b325cc8652b788b5967c0a0b6"
 dependencies = [
  "num-integer",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
  "time",
 ]
 
 [[package]]
 name = "clang-sys"
-version = "0.29.3"
+version = "0.29.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b14a9b9fadc5fabb63ceb60e8c2d833bcc97d19d8eb1e229f452d07fe2001e0"
+dependencies = [
+ "clang-sys-linkage",
+]
+
+[[package]]
+name = "clang-sys-linkage"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe6837df1d5cba2397b835c8530f51723267e16abbf83892e9e5af4f0e5dd10a"
+checksum = "720a18d5e5b09e70856c278d2fcf64917db370987beb78bf569fde9adba4ea63"
 dependencies = [
  "glob",
  "libc",
@@ -491,9 +594,9 @@
 
 [[package]]
 name = "clap"
-version = "2.33.0"
+version = "2.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
+checksum = "bdfa80d47f954d53a35a64987ca1422f495b8d6483c0fe9f7117b36c2a792129"
 dependencies = [
  "ansi_term 0.11.0",
  "atty",
@@ -506,9 +609,9 @@
 
 [[package]]
 name = "clear_on_drop"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97276801e127ffb46b66ce23f35cc96bd454fa311294bced4bbace7baa8b1d17"
+checksum = "c9cc5db465b294c3fa986d5bbb0f3017cd850bff6dd6c52f9ccff8b4d21b7b08"
 dependencies = [
  "cc",
 ]
@@ -565,6 +668,12 @@
 checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
 
 [[package]]
+name = "cpuid-bool"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec6763c20301ab0dc67051d1b6f4cc9132ad9e6eddcb1f10c6c53ea6d6ae2183"
+
+[[package]]
 name = "crc32fast"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -611,12 +720,13 @@
 
 [[package]]
 name = "crossbeam-queue"
-version = "0.2.1"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c695eeca1e7173472a32221542ae469b3e9aac3a4fc81f7696bcad82029493db"
+checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
 dependencies = [
  "cfg-if",
  "crossbeam-utils",
+ "maybe-uninit",
 ]
 
 [[package]]
@@ -642,11 +752,21 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
 dependencies = [
- "generic-array",
+ "generic-array 0.12.3",
  "subtle 1.0.0",
 ]
 
 [[package]]
+name = "crypto-mac"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
+dependencies = [
+ "generic-array 0.14.3",
+ "subtle 2.2.3",
+]
+
+[[package]]
 name = "ct-logs"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -657,32 +777,32 @@
 
 [[package]]
 name = "curve25519-dalek"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26778518a7f6cffa1d25a44b602b62b979bd88adb9e99ffec546998cf3404839"
+checksum = "5d85653f070353a16313d0046f173f70d1aadd5b42600a14de626f0dfb3473a5"
 dependencies = [
  "byteorder",
- "digest",
+ "digest 0.8.1",
  "rand_core 0.5.1",
- "subtle 2.2.2",
+ "subtle 2.2.3",
  "zeroize",
 ]
 
 [[package]]
 name = "data-encoding"
-version = "2.2.0"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11c0346158a19b3627234e15596f5e465c360fcdb97d817bcb255e0510f5a788"
+checksum = "72aa14c04dfae8dd7d8a2b1cb7ca2152618cd01336dbfe704b8dcbf8d41dbd69"
 
 [[package]]
 name = "derive_more"
-version = "0.99.5"
+version = "0.99.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2323f3f47db9a0e77ce7a300605d8d2098597fc451ed1a97bb1f6411bb550a7"
+checksum = "298998b1cf6b5b2c8a7b023dfd45821825ce3ba8a8af55c921a0e734e4653f76"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -691,10 +811,40 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
 dependencies = [
- "generic-array",
+ "generic-array 0.12.3",
 ]
 
 [[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array 0.14.3",
+]
+
+[[package]]
+name = "directories"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "551a778172a450d7fc12e629ca3b0428d00f6afa9a43da1b630d54604e97371c"
+dependencies = [
+ "cfg-if",
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e93d7f5705de3e49895a2b5e0b8855a1c27f080192ae9c32a6432d50741a57a"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi 0.3.9",
+]
+
+[[package]]
 name = "dns-parser"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -719,7 +869,7 @@
  "clear_on_drop",
  "curve25519-dalek",
  "rand 0.7.3",
- "sha2",
+ "sha2 0.8.2",
 ]
 
 [[package]]
@@ -760,38 +910,11 @@
 
 [[package]]
 name = "erased-serde"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d88b6d1705e16a4d62e05ea61cc0496c2bd190f4fa8e5c1f11ce747be6bcf3d1"
+checksum = "6ca8b296792113e1500fd935ae487be6e00ce318952a6880555554824d6ebf38"
 dependencies = [
  "serde",
-]
-
-[[package]]
-name = "ethbloom"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e7abcddbdd5db30aeed4deb586adc4824e6c247e2f7238d1187f752893f096b"
-dependencies = [
- "crunchy",
- "fixed-hash",
- "impl-rlp",
- "impl-serde 0.3.0",
- "tiny-keccak",
-]
-
-[[package]]
-name = "ethereum-types"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "964c23cdee0ca07d5be2a628b46d5c11a2134ce554a8c16d8dbc2db647e4fd4d"
-dependencies = [
- "ethbloom",
- "fixed-hash",
- "impl-rlp",
- "impl-serde 0.3.0",
- "primitive-types",
- "uint",
 ]
 
 [[package]]
@@ -800,14 +923,14 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e43f2f1833d64e33f15592464d6fdd70f349dda7b1a53088eb83cd94014008c5"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
 ]
 
 [[package]]
 name = "failure"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8529c2421efa3066a5cbd8063d2244603824daccb6936b079010bb2aa89464b"
+checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
 dependencies = [
  "backtrace",
  "failure_derive",
@@ -815,13 +938,13 @@
 
 [[package]]
 name = "failure_derive"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "030a733c8287d6213886dd487564ff5c8f6aae10278b3588ed177f9d18f8d231"
+checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
  "synstructure",
 ]
 
@@ -842,23 +965,24 @@
 
 [[package]]
 name = "finality-grandpa"
-version = "0.11.2"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "024517816630be5204eba201e8d1d405042b1255a5e0e3f298b054fc24d59e1d"
+checksum = "8feb87a63249689640ac9c011742c33139204e3c134293d3054022276869133b"
 dependencies = [
- "futures 0.3.4",
+ "either",
+ "futures 0.3.5",
  "futures-timer 2.0.2",
  "log",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
  "parity-scale-codec",
  "parking_lot 0.9.0",
 ]
 
 [[package]]
 name = "fixed-hash"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32529fc42e86ec06e5047092082aab9ad459b070c5d2a76b14f4f5ce70bf2e84"
+checksum = "11498d382790b7a8f2fd211780bec78619bba81cdad3a283997c0c41f836759c"
 dependencies = [
  "byteorder",
  "rand 0.7.3",
@@ -874,9 +998,9 @@
 
 [[package]]
 name = "flate2"
-version = "1.0.14"
+version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cfff41391129e0a856d6d822600b8d71179d46879e310417eb9c762eb178b42"
+checksum = "68c90b0fc46cf89d227cc78b40e494ff81287a92dd07631e5af0d06fe3cf885e"
 dependencies = [
  "cfg-if",
  "crc32fast",
@@ -887,24 +1011,22 @@
 
 [[package]]
 name = "fnv"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "fork-tree"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40a4492b78f0aec7271d261e0f1025297012c7853c263e036d15790f9ca99e72"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
 ]
 
 [[package]]
 name = "frame-benchmarking"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f2fc91a6a976ce87b105722d8d9cdc44d4cb03ad24493d34cbfb64bbaacb7ee"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -920,23 +1042,23 @@
 
 [[package]]
 name = "frame-executive"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2941cd59682f596645d54b0e84c02e98f9be53a346841c720ead60cdbadb3463"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
  "parity-scale-codec",
  "serde",
+ "sp-io",
  "sp-runtime",
  "sp-std",
+ "sp-tracing",
 ]
 
 [[package]]
 name = "frame-metadata"
-version = "11.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e5eaf1cd17755f099188d76995520a3179fedf0cb631264b8759dea0cd2e981"
+version = "11.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -946,9 +1068,8 @@
 
 [[package]]
 name = "frame-support"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4058dce75ae1d45b469a8cbbe0c9dc3083e5546936b60e4647e73584e0f7ba7"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "bitmask",
  "frame-metadata",
@@ -959,6 +1080,7 @@
  "parity-scale-codec",
  "paste",
  "serde",
+ "smallvec 1.4.1",
  "sp-arithmetic",
  "sp-core",
  "sp-inherents",
@@ -966,50 +1088,46 @@
  "sp-runtime",
  "sp-state-machine",
  "sp-std",
- "tracing",
+ "sp-tracing",
 ]
 
 [[package]]
 name = "frame-support-procedural"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eefa7eb42406f732f87f8331aaaa787a65abe0f5f681a59fac1737ba4e81d89e"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support-procedural-tools",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "frame-support-procedural-tools"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d0fce760be3b164dd44ba5826f6a504c485020f6813604d4c73b42b50797d71"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "frame-support-procedural-tools-derive"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c453b69522957f835e3679e8a98a90a3859481423bf5a2c570397c416339dcf5"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "frame-system"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9c97e7168ca4cd7b2358ca30da4c5aba4a2b9b5eef45df67ca85b3dd59069a5"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "impl-trait-for-tuples",
@@ -1031,7 +1149,7 @@
  "lazy_static",
  "libc",
  "libloading",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1064,9 +1182,9 @@
 
 [[package]]
 name = "futures"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c329ae8753502fb44ae4fc2b622fa2a94652c41e795143765ba0927f92ab780"
+checksum = "1e05b85ec287aac0dc34db7d4a569323df697f9c55b99b15d6b4ef8cde49f613"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1079,9 +1197,9 @@
 
 [[package]]
 name = "futures-channel"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0c77d04ce8edd9cb903932b608268b3fffec4163dc053b3b402bf47eac1f1a8"
+checksum = "f366ad74c28cca6ba456d95e6422883cfb4b252a83bed929c83abfdbbf2967d5"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -1098,9 +1216,9 @@
 
 [[package]]
 name = "futures-core"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f25592f769825e89b92358db00d26f965761e094951ac44d3663ef25b7ac464a"
+checksum = "59f5fff90fd5d971f936ad674802482ba441b6f09ba5e15fd8b39145582ca399"
 
 [[package]]
 name = "futures-core-preview"
@@ -1125,7 +1243,7 @@
 checksum = "fdcef58a173af8148b182684c9f2d5250875adbcaff7b5794073894f9d8634a9"
 dependencies = [
  "futures 0.1.29",
- "futures 0.3.4",
+ "futures 0.3.5",
  "lazy_static",
  "log",
  "parking_lot 0.9.0",
@@ -1136,9 +1254,9 @@
 
 [[package]]
 name = "futures-executor"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f674f3e1bcb15b37284a90cedf55afdba482ab061c407a9c0ebbd0f3109741ba"
+checksum = "10d6bb888be1153d3abeb9006b11b02cf5e9b209fda28693c31ae1e4e012e314"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -1148,33 +1266,36 @@
 
 [[package]]
 name = "futures-io"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a638959aa96152c7a4cddf50fcb1e3fede0583b27157c26e67d6f99904090dc6"
+checksum = "de27142b013a8e869c14957e6d2edeef89e97c289e69d042ee3a49acd8b51789"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a5081aa3de1f7542a794a397cde100ed903b0630152d0973479018fd85423a7"
+checksum = "d0b5a30a4328ab5473878237c447333c093297bded83a4983d10f4deea240d39"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3466821b4bc114d95b087b850a724c6f83115e929bc88f1fa98a3304a944c8a6"
+checksum = "3f2032893cb734c7a05d85ce0cc8b8c4075278e93b24b66f9de99d6eb0fa8acc"
 
 [[package]]
 name = "futures-task"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b0a34e53cf6cdcd0178aa573aed466b646eb3db769570841fda0c7ede375a27"
+checksum = "bdb66b5f09e22019b1ab0830f7785bcea8e7a42148683f99214f73f8ec21a626"
+dependencies = [
+ "once_cell",
+]
 
 [[package]]
 name = "futures-timer"
@@ -1190,9 +1311,9 @@
 
 [[package]]
 name = "futures-util"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22766cf25d64306bedf0384da004d05c9974ab104fcc4528f1236181c18004c5"
+checksum = "8764574ff08b701a084482c3c7031349104b07ac897393010494beaa18ce32c6"
 dependencies = [
  "futures 0.1.29",
  "futures-channel",
@@ -1202,6 +1323,7 @@
  "futures-sink",
  "futures-task",
  "memchr",
+ "pin-project",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -1226,13 +1348,25 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0a73299e4718f5452e45980fc1d6957a070abe308d3700b63b8673f47e1c2b3"
 dependencies = [
- "bytes 0.5.4",
- "futures 0.3.4",
+ "bytes 0.5.6",
+ "futures 0.3.5",
  "memchr",
  "pin-project",
 ]
 
 [[package]]
+name = "futures_codec"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce54d63f8b0c75023ed920d46fd71d0cbbb830b0ee012726b5b4f506fb6dea5b"
+dependencies = [
+ "bytes 0.5.6",
+ "futures 0.3.5",
+ "memchr",
+ "pin-project",
+]
+
+[[package]]
 name = "gcc"
 version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1248,6 +1382,16 @@
 ]
 
 [[package]]
+name = "generic-array"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60fb4bb6bba52f78a471264d9a3b7d026cc0af47b22cd2cffbc0b787ca003e63"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
 name = "get_if_addrs"
 version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1281,6 +1425,21 @@
 ]
 
 [[package]]
+name = "ghash"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6e27f0689a6e15944bdce7e45425efb87eaa8ab0c6e87f11d0987a9133e2531"
+dependencies = [
+ "polyval",
+]
+
+[[package]]
+name = "gimli"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
+
+[[package]]
 name = "glob"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1319,21 +1478,21 @@
 
 [[package]]
 name = "h2"
-version = "0.2.4"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "377038bf3c89d18d6ca1431e7a5027194fbd724ca10592b9487ede5e8e144f42"
+checksum = "993f9e0baeed60001cf565546b0d3dbe6a6ad23f2bd31644a133c641eccf6d53"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "futures-sink",
  "futures-util",
  "http 0.2.1",
  "indexmap",
- "log",
  "slab",
- "tokio 0.2.18",
+ "tokio 0.2.21",
  "tokio-util",
+ "tracing",
 ]
 
 [[package]]
@@ -1372,9 +1531,9 @@
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.10"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "725cf19794cf90aa94e65050cb4191ff5d8fa87a498383774c47b332e3af952e"
+checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
 dependencies = [
  "libc",
 ]
@@ -1397,9 +1556,9 @@
 
 [[package]]
 name = "hex-literal-impl"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d4c5c844e2fee0bf673d54c2c177f1713b3d2af2ff6e666b49cb7572e6cf42d"
+checksum = "853f769599eb31de176303197b7ba4973299c38c7a7604a6bc88c3eef05b9b46"
 dependencies = [
  "proc-macro-hack",
 ]
@@ -1410,8 +1569,8 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dcb5e64cda4c23119ab41ba960d1e170a774c8e4b9d9e6a9bc18aabf5e59695"
 dependencies = [
- "crypto-mac",
- "digest",
+ "crypto-mac 0.7.0",
+ "digest 0.8.1",
 ]
 
 [[package]]
@@ -1420,8 +1579,8 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6e570451493f10f6581b48cdd530413b63ea9e780f544bfd3bdcaa0d89d1a7b"
 dependencies = [
- "digest",
- "generic-array",
+ "digest 0.8.1",
+ "generic-array 0.12.3",
  "hmac",
 ]
 
@@ -1442,7 +1601,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28d569972648b2c512421b5f2a405ad6ac9666547189d0c5477a3f200f3e02f9"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "fnv",
  "itoa",
 ]
@@ -1465,7 +1624,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "http 0.2.1",
 ]
 
@@ -1516,25 +1675,25 @@
 
 [[package]]
 name = "hyper"
-version = "0.13.4"
+version = "0.13.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed6081100e960d9d74734659ffc9cc91daf1c0fc7aceb8eaa94ee1a3f5046f2e"
+checksum = "3e68a8dd9716185d9e64ea473ea6ef63529252e3e27623295a0378a19665d5eb"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "futures-channel",
  "futures-core",
  "futures-util",
- "h2 0.2.4",
+ "h2 0.2.6",
  "http 0.2.1",
  "http-body 0.3.1",
  "httparse",
  "itoa",
- "log",
- "net2",
  "pin-project",
+ "socket2",
  "time",
- "tokio 0.2.18",
+ "tokio 0.2.21",
  "tower-service",
+ "tracing",
  "want 0.3.0",
 ]
 
@@ -1544,14 +1703,14 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac965ea399ec3a25ac7d13b8affd4b8f39325cca00858ddf5eb29b79e6b14b08"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "ct-logs",
  "futures-util",
- "hyper 0.13.4",
+ "hyper 0.13.7",
  "log",
  "rustls",
  "rustls-native-certs",
- "tokio 0.2.18",
+ "tokio 0.2.21",
  "tokio-rustls",
  "webpki",
 ]
@@ -1588,15 +1747,6 @@
 ]
 
 [[package]]
-name = "impl-rlp"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f7a72f11830b52333f36e3b09a288333888bf54380fd0ac0790a3c31ab0f3c5"
-dependencies = [
- "rlp",
-]
-
-[[package]]
 name = "impl-serde"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1607,9 +1757,9 @@
 
 [[package]]
 name = "impl-serde"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bbe9ea9b182f0fb1cabbd61f4ff9b7b7b9197955e95a7e4c27de5055eb29ff8"
+checksum = "b47ca4d2b6931707a55fce5cf66aff80e2178c8b63bbb4ecb5695cbc870ddf6f"
 dependencies = [
  "serde",
 ]
@@ -1621,15 +1771,15 @@
 checksum = "7ef5550a42e3740a0e71f909d4c861056a284060af885ae7aa6242820f920d9d"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "indexmap"
-version = "1.3.2"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "076f042c5b7b98f31d205f1249267e12a6518c1481e9dae9764af19b707d2292"
+checksum = "c398b2b113b55809ceb9ee3e753fcbac793f1956663f3c36549c1346015c2afe"
 dependencies = [
  "autocfg 1.0.0",
 ]
@@ -1641,18 +1791,12 @@
 checksum = "f65877bf7d44897a473350b1046277941cee20b263397e90869c50b6e766088b"
 
 [[package]]
-name = "interleaved-ordered"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "141340095b15ed7491bd3d4ced9d20cebfb826174b6bb03386381f62b01e3d77"
-
-[[package]]
 name = "intervalier"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "64fa110ec7b8f493f416eed552740d10e7030ad5f63b2308f82c9608ec2df275"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 2.0.2",
 ]
 
@@ -1666,6 +1810,12 @@
 ]
 
 [[package]]
+name = "ip_network"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ee15951c035f79eddbef745611ec962f63f4558f1dadf98ab723cc603487c6f"
+
+[[package]]
 name = "ipnet"
 version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1682,9 +1832,9 @@
 
 [[package]]
 name = "itoa"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8b7a7c0c47db5545ed3fef7468ee7bb5b74691498139e4b3f6a20685dc6dd8e"
+checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
 name = "jobserver"
@@ -1697,18 +1847,18 @@
 
 [[package]]
 name = "js-sys"
-version = "0.3.37"
+version = "0.3.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a27d435371a2fa5b6d2b028a74bbdb1234f308da363226a2854ca3ff8ba7055"
+checksum = "c4b9172132a62451e56142bff9afc91c8e4a4500aa5b847da36815b63bfda916"
 dependencies = [
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "jsonrpc-client-transports"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2307a7e78cf969759e390a8a2151ea12e783849a45bb00aa871b468ba58ea79e"
+checksum = "ecbdaacc17243168d9d1fa6b2bd7556a27e1e60a621d8a2a6e590ae2b145d158"
 dependencies = [
  "failure",
  "futures 0.1.29",
@@ -1722,9 +1872,9 @@
 
 [[package]]
 name = "jsonrpc-core"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25525f6002338fb4debb5167a89a0b47f727a5a48418417545ad3429758b7fec"
+checksum = "a0747307121ffb9703afd93afbd0fb4f854c38fb873f2c8b90e0e902f27c7b62"
 dependencies = [
  "futures 0.1.29",
  "log",
@@ -1735,30 +1885,30 @@
 
 [[package]]
 name = "jsonrpc-core-client"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87f9382e831a6d630c658df103aac3f971da096deb57c136ea2b760d3b4e3f9f"
+checksum = "34221123bc79b66279a3fde2d3363553835b43092d629b34f2e760c44dc94713"
 dependencies = [
  "jsonrpc-client-transports",
 ]
 
 [[package]]
 name = "jsonrpc-derive"
-version = "14.0.5"
+version = "14.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8609af8f63b626e8e211f52441fcdb6ec54f1a446606b10d5c89ae9bf8a20058"
+checksum = "0fadf6945e227246825a583514534d864554e9f23d80b3c77d034b10983db5ef"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "jsonrpc-http-server"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52860f0549694aa4abb12766856f56952ab46d3fb9f0815131b2db3d9cc2f29"
+checksum = "0da906d682799df05754480dac1b9e70ec92e12c19ebafd2662a5ea1c9fd6522"
 dependencies = [
  "hyper 0.12.35",
  "jsonrpc-core",
@@ -1771,21 +1921,22 @@
 
 [[package]]
 name = "jsonrpc-pubsub"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4ca5e391d6c6a2261d4adca029f427fe63ea546ad6cef2957c654c08495ec16"
+checksum = "2d44f5602a11d657946aac09357956d2841299ed422035edf140c552cb057986"
 dependencies = [
  "jsonrpc-core",
  "log",
  "parking_lot 0.10.2",
+ "rand 0.7.3",
  "serde",
 ]
 
 [[package]]
 name = "jsonrpc-server-utils"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f06add502b48351e05dd95814835327fb115e4e9f834ca42fd522d3b769d4d2"
+checksum = "56cbfb462e7f902e21121d9f0d1c2b77b2c5b642e1a4e8f4ebfa2e15b94402bb"
 dependencies = [
  "bytes 0.4.12",
  "globset",
@@ -1799,9 +1950,9 @@
 
 [[package]]
 name = "jsonrpc-ws-server"
-version = "14.1.0"
+version = "14.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "017a7dd5083d9ed62c5e1dd3e317975c33c3115dac5447f4480fe05a8c354754"
+checksum = "903d3109fe7c4acb932b567e1e607e0f524ed04741b09fb0e61841bc40a022fc"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-server-utils",
@@ -1829,28 +1980,28 @@
 
 [[package]]
 name = "kv-log-macro"
-version = "1.0.4"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c54d9f465d530a752e6ebdc217e081a7a614b48cb200f6f0aee21ba6bc9aabb"
+checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
 dependencies = [
  "log",
 ]
 
 [[package]]
 name = "kvdb"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cad096c6849b2ef027fabe35c4aed356d0e3d3f586d0a8361e5e17f1e50a7ce5"
+checksum = "e763b2a9b500ba47948061d1e8bc3b5f03a8a1f067dbcf822a4d2c84d2b54a3a"
 dependencies = [
  "parity-util-mem",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
 ]
 
 [[package]]
 name = "kvdb-memorydb"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4aa954d12cfac958822dfd77aab34f3eec71f103b918c4ab79ab59a36ee594ea"
+checksum = "73027d5e228de6f503b5b7335d530404fc26230a6ae3e09b33ec6e45408509a4"
 dependencies = [
  "kvdb",
  "parity-util-mem",
@@ -1859,12 +2010,11 @@
 
 [[package]]
 name = "kvdb-rocksdb"
-version = "0.7.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3f14c3a10c8894d26175e57e9e26032e6d6c49c30cbe2468c5bf5f6b64bb0be"
+checksum = "84384eca250c7ff67877eda5336f28a86586aaee24acb945643590671f6bfce1"
 dependencies = [
  "fs-swap",
- "interleaved-ordered",
  "kvdb",
  "log",
  "num_cpus",
@@ -1873,7 +2023,7 @@
  "parking_lot 0.10.2",
  "regex",
  "rocksdb",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
 ]
 
 [[package]]
@@ -1890,30 +2040,36 @@
 
 [[package]]
 name = "libc"
-version = "0.2.69"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99e85c08494b21a9054e7fe1374a732aeadaff3980b6990b94bfd3a70f690005"
+checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
 
 [[package]]
 name = "libflate"
-version = "0.1.27"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9135df43b1f5d0e333385cb6e7897ecd1a43d7d11b91ac003f4d2c2d2401fdd"
+checksum = "e9bac9023e1db29c084f9f8cd9d3852e5e8fddf98fb47c4964a0ea4663d95949"
 dependencies = [
  "adler32",
  "crc32fast",
+ "libflate_lz77",
  "rle-decode-fast",
- "take_mut",
 ]
 
 [[package]]
+name = "libflate_lz77"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3286f09f7d4926fc486334f28d8d2e6ebe4f7f9994494b6dab27ddfad2c9b11b"
+
+[[package]]
 name = "libloading"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2b111a074963af1d37a139918ac6d49ad1d0d5e47f72fd55388619691a7d753"
 dependencies = [
  "cc",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1924,12 +2080,12 @@
 
 [[package]]
 name = "libp2p"
-version = "0.18.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa5aedb713f76577818529be8283e35ec5e8b3ecdccfe0231ba4d860687438ab"
+checksum = "057eba5432d3e740e313c6e13c9153d0cb76b4f71bfc2e5242ae5bdb7d41af67"
 dependencies = [
- "bytes 0.5.4",
- "futures 0.3.4",
+ "bytes 0.5.6",
+ "futures 0.3.5",
  "lazy_static",
  "libp2p-core",
  "libp2p-core-derive",
@@ -1946,32 +2102,32 @@
  "libp2p-websocket",
  "libp2p-yamux",
  "multihash",
- "parity-multiaddr 0.8.0",
+ "parity-multiaddr 0.9.1",
  "parking_lot 0.10.2",
  "pin-project",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
  "wasm-timer",
 ]
 
 [[package]]
 name = "libp2p-core"
-version = "0.18.0"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d2c17158c4dca984a77a5927aac6f0862d7f50c013470a415f93be498b5739"
+checksum = "3a0387b930c3d4c2533dc4893c1e0394185ddcc019846121b1b27491e45a2c08"
 dependencies = [
  "asn1_der",
  "bs58",
  "ed25519-dalek",
  "either",
  "fnv",
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "lazy_static",
  "libsecp256k1",
  "log",
  "multihash",
  "multistream-select",
- "parity-multiaddr 0.8.0",
+ "parity-multiaddr 0.9.1",
  "parking_lot 0.10.2",
  "pin-project",
  "prost",
@@ -1979,63 +2135,63 @@
  "rand 0.7.3",
  "ring",
  "rw-stream-sink",
- "sha2",
- "smallvec 1.3.0",
+ "sha2 0.8.2",
+ "smallvec 1.4.1",
  "thiserror",
- "unsigned-varint 0.3.3",
+ "unsigned-varint 0.4.0",
  "void",
  "zeroize",
 ]
 
 [[package]]
 name = "libp2p-core-derive"
-version = "0.18.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "329127858e4728db5ab60c33d5ae352a999325fdf190ed022ec7d3a4685ae2e6"
+checksum = "f09548626b737ed64080fde595e06ce1117795b8b9fc4d2629fa36561c583171"
 dependencies = [
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "libp2p-dns"
-version = "0.18.0"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0d0993481203d68e5ce2f787d033fb0cac6b850659ed6c784612db678977c71"
+checksum = "3cc186d9a941fd0207cf8f08ef225a735e2d7296258f570155e525f6ee732f87"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "libp2p-core",
  "log",
 ]
 
 [[package]]
 name = "libp2p-identify"
-version = "0.18.0"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a38ca3eb807789e26f41c82ca7cd2b3843c66c5587b8b5f709a2f421f3061414"
+checksum = "62f76075b170d908bae616f550ade410d9d27c013fa69042551dbfc757c7c094"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "libp2p-core",
  "libp2p-swarm",
  "log",
  "prost",
  "prost-build",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
  "wasm-timer",
 ]
 
 [[package]]
 name = "libp2p-kad"
-version = "0.18.0"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a92cda1fb8149ea64d092a2b99d2bd7a2c309eee38ea322d02e4480bd6ee1759"
+checksum = "41d6c1d5100973527ae70d82687465b17049c1b717a7964de38b8e65000878ff"
 dependencies = [
  "arrayvec 0.5.1",
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "either",
  "fnv",
- "futures 0.3.4",
- "futures_codec",
+ "futures 0.3.5",
+ "futures_codec 0.3.4",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -2043,8 +2199,8 @@
  "prost",
  "prost-build",
  "rand 0.7.3",
- "sha2",
- "smallvec 1.3.0",
+ "sha2 0.8.2",
+ "smallvec 1.4.1",
  "uint",
  "unsigned-varint 0.3.3",
  "void",
@@ -2053,57 +2209,57 @@
 
 [[package]]
 name = "libp2p-mdns"
-version = "0.18.0"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41e908d2aaf8ff0ec6ad1f02fe1844fd777fb0b03a68a226423630750ab99471"
+checksum = "7f55b2d4b80986e5bf158270ab23268ec0e7f644ece5436fbaabc5155472f357"
 dependencies = [
  "async-std",
  "data-encoding",
  "dns-parser",
  "either",
- "futures 0.3.4",
+ "futures 0.3.5",
  "lazy_static",
  "libp2p-core",
  "libp2p-swarm",
  "log",
  "net2",
  "rand 0.7.3",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
  "void",
  "wasm-timer",
 ]
 
 [[package]]
 name = "libp2p-mplex"
-version = "0.18.0"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0832882b06619b2e81d74e71447753ea3c068164a0bca67847d272e856a04a02"
+checksum = "be7d913a4cd57de2013257ec73f07d77bfce390b370023e2d59083e5ca079864"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "fnv",
- "futures 0.3.4",
- "futures_codec",
+ "futures 0.3.5",
+ "futures_codec 0.4.1",
  "libp2p-core",
  "log",
  "parking_lot 0.10.2",
- "unsigned-varint 0.3.3",
+ "unsigned-varint 0.4.0",
 ]
 
 [[package]]
 name = "libp2p-noise"
-version = "0.18.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "918e94a649e1139c24ee9f1f8c1f2adaba6d157b9471af787f2d9beac8c29c77"
+checksum = "a03db664653369f46ee03fcec483a378c20195089bb43a26cb9fb0058009ac88"
 dependencies = [
  "curve25519-dalek",
- "futures 0.3.4",
+ "futures 0.3.5",
  "lazy_static",
  "libp2p-core",
  "log",
  "prost",
  "prost-build",
  "rand 0.7.3",
- "sha2",
+ "sha2 0.8.2",
  "snow",
  "static_assertions",
  "x25519-dalek",
@@ -2112,11 +2268,11 @@
 
 [[package]]
 name = "libp2p-ping"
-version = "0.18.0"
+version = "0.19.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9bfbf87eebb492d040f9899c5c81c9738730465ac5e78d9b7a7d086d0f07230"
+checksum = "b8dedd34e35a9728d52d59ef36a218e411359a353f9011b2574b86ee790978f6"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -2127,41 +2283,42 @@
 
 [[package]]
 name = "libp2p-swarm"
-version = "0.18.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "622605817885e67b5572189c2507e514b786beb69ed85a120dbb245a7f15383d"
+checksum = "ce53ff4d127cf8b39adf84dbd381ca32d49bd85788cee08e6669da2495993930"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "libp2p-core",
  "log",
  "rand 0.7.3",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
  "void",
  "wasm-timer",
 ]
 
 [[package]]
 name = "libp2p-tcp"
-version = "0.18.0"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b37ea44823d3ed223e4605da94b50177bc520f05ae2452286700549a32d81669"
+checksum = "9481500c5774c62e8c413e9535b3f33a0e3dbacf2da63b8d3056c686a9df4146"
 dependencies = [
  "async-std",
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "get_if_addrs",
  "ipnet",
  "libp2p-core",
  "log",
+ "socket2",
 ]
 
 [[package]]
 name = "libp2p-wasm-ext"
-version = "0.18.0"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3ac7dbde0f88cad191dcdfd073b8bae28d01823e8ca313f117b6ecb914160c3"
+checksum = "f59fdbb5706f2723ca108c088b1c7a37f735a8c328021f0508007162627e9885"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "js-sys",
  "libp2p-core",
  "parity-send-wrapper",
@@ -2171,14 +2328,14 @@
 
 [[package]]
 name = "libp2p-websocket"
-version = "0.18.0"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6874c9069ce93d899df9dc7b29f129c706b2a0fdc048f11d878935352b580190"
+checksum = "085fbe4c05c4116c2164ab4d5a521eb6e00516c444f61b3ee9f68c7b1e53580b"
 dependencies = [
  "async-tls",
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "either",
- "futures 0.3.4",
+ "futures 0.3.5",
  "libp2p-core",
  "log",
  "quicksink",
@@ -2192,11 +2349,11 @@
 
 [[package]]
 name = "libp2p-yamux"
-version = "0.18.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02f91aea50f6571e0bc6c058dc0e9b270afd41ec28dd94e9e4bf607e78b9ab87"
+checksum = "8da33e7b5f49c75c6a8afb0b8d1e229f5fa48be9f39bd14cdbc21459a02ac6fc"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "libp2p-core",
  "parking_lot 0.10.2",
  "thiserror",
@@ -2205,9 +2362,9 @@
 
 [[package]]
 name = "librocksdb-sys"
-version = "6.6.4"
+version = "6.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e3b727e2dd20ec2fb7ed93f23d9fd5328a0871185485ebdaff007b47d3e27e4"
+checksum = "883213ae3d09bfc3d104aefe94b25ebb183b6f4d3a515b23b14817e1f4854005"
 dependencies = [
  "bindgen",
  "cc",
@@ -2223,11 +2380,11 @@
 dependencies = [
  "arrayref",
  "crunchy",
- "digest",
+ "digest 0.8.1",
  "hmac-drbg",
  "rand 0.7.3",
- "sha2",
- "subtle 2.2.2",
+ "sha2 0.8.2",
+ "subtle 2.2.3",
  "typenum",
 ]
 
@@ -2245,9 +2402,9 @@
 
 [[package]]
 name = "linked-hash-map"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae91b68aebc4ddb91978b11a1b02ddd8602a05ec19002801c5666000e05e0f83"
+checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
 
 [[package]]
 name = "linked_hash_set"
@@ -2324,10 +2481,20 @@
 checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
 [[package]]
+name = "memmap"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6585fd95e7bb50d6cc31e20d4cf9afb4e2ba16c5846fc76793f11218da9c475b"
+dependencies = [
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
 name = "memoffset"
-version = "0.5.4"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4fc2c02a7e374099d4ee95a193111f72d2110197fe200272371758f6c3643d8"
+checksum = "c198b026e1bbf08a937e94c6c60f9ec4a2267f5b0d2eec9c1b21b061ce2be55f"
 dependencies = [
  "autocfg 1.0.0",
 ]
@@ -2364,18 +2531,18 @@
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.6"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa679ff6578b1cddee93d7e82e263b94a575e0bfced07284eb0c037c1d2416a5"
+checksum = "be0f75932c1f6cfae3c04000e40114adf955636e19040f9c0a2c380702aa1c7f"
 dependencies = [
- "adler32",
+ "adler",
 ]
 
 [[package]]
 name = "mio"
-version = "0.6.21"
+version = "0.6.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
+checksum = "fce347092656428bc8eaf6201042cb551b8d67855af7374542a92a0fbfcac430"
 dependencies = [
  "cfg-if",
  "fuchsia-zircon",
@@ -2404,9 +2571,9 @@
 
 [[package]]
 name = "mio-uds"
-version = "0.6.7"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "966257a94e196b11bb43aca423754d87429960a768de9414f3691d6957abf125"
+checksum = "afcb699eb26d4332647cc848492bbc15eafb26f08d0304550d5aa1f612e066f0"
 dependencies = [
  "iovec",
  "libc",
@@ -2427,15 +2594,15 @@
 
 [[package]]
 name = "multihash"
-version = "0.10.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47fbc227f7e2b1cb701f95404579ecb2668abbdd3c7ef7a6cbb3cc0d3b236869"
+checksum = "f75db05d738947aa5389863aadafbcf2e509d7ba099dc2ddcdf4fc66bf7a9e03"
 dependencies = [
  "blake2b_simd",
  "blake2s_simd",
- "digest",
+ "digest 0.8.1",
  "sha-1",
- "sha2",
+ "sha2 0.8.2",
  "sha3",
  "unsigned-varint 0.3.3",
 ]
@@ -2452,11 +2619,11 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c9157e87afbc2ef0d84cc0345423d715f445edde00141c93721c162de35a05e5"
 dependencies = [
- "bytes 0.5.4",
- "futures 0.3.4",
+ "bytes 0.5.6",
+ "futures 0.3.5",
  "log",
  "pin-project",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
  "unsigned-varint 0.4.0",
 ]
 
@@ -2468,11 +2635,11 @@
 dependencies = [
  "alga",
  "approx",
- "generic-array",
+ "generic-array 0.12.3",
  "matrixmultiply",
  "num-complex",
  "num-rational",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
  "rand 0.6.5",
  "typenum",
 ]
@@ -2488,13 +2655,13 @@
 
 [[package]]
 name = "net2"
-version = "0.2.33"
+version = "0.2.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
+checksum = "2ba7c918ac76704fb42afcbbb43891e72731f3dcca3bef2a19786297baf14af7"
 dependencies = [
  "cfg-if",
  "libc",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2507,23 +2674,24 @@
  "byteorder",
  "enum-primitive-derive",
  "libc",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
  "thiserror",
 ]
 
 [[package]]
 name = "nft"
-version = "2.0.0-alpha.6"
+version = "2.0.0-rc3"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "jsonrpc-core",
  "log",
  "nft-runtime",
  "pallet-contracts-rpc",
+ "parking_lot 0.10.2",
  "sc-basic-authorship",
  "sc-cli",
- "sc-client",
  "sc-client-api",
+ "sc-consensus",
  "sc-consensus-aura",
  "sc-executor",
  "sc-finality-grandpa",
@@ -2544,7 +2712,7 @@
 
 [[package]]
 name = "nft-runtime"
-version = "2.0.0-alpha.6"
+version = "2.0.0-rc3"
 dependencies = [
  "frame-executive",
  "frame-support",
@@ -2604,9 +2772,9 @@
 
 [[package]]
 name = "nom"
-version = "5.1.1"
+version = "5.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b471253da97532da4b61552249c521e01e736071f71c1a4f7ebbfbf0a06aad6"
+checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
 dependencies = [
  "memchr",
  "version_check",
@@ -2614,11 +2782,11 @@
 
 [[package]]
 name = "ntapi"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26e041cd983acbc087e30fcba770380cfa352d0e392e175b2344ebaf7ea0602"
+checksum = "7a31937dea023539c72ddae0e3571deadc1414b300483fa7aaec176168cfa9d2"
 dependencies = [
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2629,7 +2797,7 @@
 dependencies = [
  "autocfg 1.0.0",
  "num-integer",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
 ]
 
 [[package]]
@@ -2639,17 +2807,17 @@
 checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
 dependencies = [
  "autocfg 1.0.0",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.42"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
+checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
 dependencies = [
  "autocfg 1.0.0",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
 ]
 
 [[package]]
@@ -2661,7 +2829,7 @@
  "autocfg 1.0.0",
  "num-bigint",
  "num-integer",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
 ]
 
 [[package]]
@@ -2670,14 +2838,14 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
 dependencies = [
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.2.11"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
+checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
 dependencies = [
  "autocfg 1.0.0",
  "libm",
@@ -2685,31 +2853,27 @@
 
 [[package]]
 name = "num_cpus"
-version = "1.12.0"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46203554f085ff89c235cd12f7075f3233af9b11ed7c9e16dfe2560d03313ce6"
+checksum = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
 dependencies = [
  "hermit-abi",
  "libc",
 ]
 
 [[package]]
-name = "ole32-sys"
-version = "0.2.0"
+name = "object"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d2c49021782e5233cd243168edfa8037574afed4eba4bbaf538b3d8d1789d8c"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
+checksum = "1ab52be62400ca80aa00285d25253d7f7c437b7375c4de678f5405d3afe82ca5"
 
 [[package]]
 name = "once_cell"
-version = "1.3.1"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1c601810575c99596d4afc46f78a678c80105117c379eb3650cf99b8a21ce5b"
+checksum = "0b631f7e854af39a1739f401cf34a8a013dfe09eac4fa4dba91e9768bd28168d"
 dependencies = [
- "parking_lot 0.9.0",
+ "parking_lot 0.10.2",
 ]
 
 [[package]]
@@ -2719,6 +2883,12 @@
 checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
 [[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
+[[package]]
 name = "openssl-probe"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2735,9 +2905,8 @@
 
 [[package]]
 name = "pallet-aura"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9757d44df3ff0372ea313703736e69ba361b158a58b7c9677b54be11a777da81"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2747,9 +2916,7 @@
  "serde",
  "sp-application-crypto",
  "sp-consensus-aura",
- "sp-core",
  "sp-inherents",
- "sp-io",
  "sp-runtime",
  "sp-std",
  "sp-timestamp",
@@ -2757,29 +2924,27 @@
 
 [[package]]
 name = "pallet-balances"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9ef08001886d3747220630337f7afbb8f1d7cbfacaa3a8a13317e1cb3e8e366"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
  "frame-system",
  "parity-scale-codec",
  "serde",
- "sp-io",
  "sp-runtime",
  "sp-std",
 ]
 
 [[package]]
 name = "pallet-contracts"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c2bc13b765baa08a15815c0d836fee239fde73252a6c7babc437796eda561f5"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
  "pallet-contracts-primitives",
+ "pallet-transaction-payment",
  "parity-scale-codec",
  "parity-wasm",
  "pwasm-utils",
@@ -2794,9 +2959,8 @@
 
 [[package]]
 name = "pallet-contracts-primitives"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5216edfd33a69a45bdd79f088563479dfdd6ecfb3c477b0f83955b844251c665"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "sp-runtime",
@@ -2805,9 +2969,8 @@
 
 [[package]]
 name = "pallet-contracts-rpc"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c575d839564073fa5757f9dfe5863b48eb07108ecda63521740b8bd8ed6f05c3"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -2825,9 +2988,8 @@
 
 [[package]]
 name = "pallet-contracts-rpc-runtime-api"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "747f66dc20367de627c701675c66af0a53b4309df16c9929c0d23d2e27e436ee"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "pallet-contracts-primitives",
  "parity-scale-codec",
@@ -2838,9 +3000,8 @@
 
 [[package]]
 name = "pallet-finality-tracker"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09d89d58fe723cc05bdfc5f237a51e275bf58dcafb493ad68211c27ecd8f1afd"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2855,9 +3016,8 @@
 
 [[package]]
 name = "pallet-grandpa"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ed9f0fe5149552a1f1f26f4ed8999d692e0e209c54314c4f28a9bd8a1a1161d"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2865,16 +3025,18 @@
  "pallet-session",
  "parity-scale-codec",
  "serde",
+ "sp-application-crypto",
  "sp-core",
  "sp-finality-grandpa",
  "sp-runtime",
+ "sp-session",
  "sp-staking",
  "sp-std",
 ]
 
 [[package]]
 name = "pallet-nft"
-version = "2.0.0-alpha.6"
+version = "2.0.0-rc3"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2882,14 +3044,12 @@
  "sp-core",
  "sp-io",
  "sp-runtime",
- "sp-std",
 ]
 
 [[package]]
 name = "pallet-randomness-collective-flip"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1139a9bf489b947a677574ee8ade27c7b710ce25a07f1630b80c20af8f682f91"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2901,9 +3061,8 @@
 
 [[package]]
 name = "pallet-session"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fdeb41738a79d3247b2a7fd9ce8ae5a7d9e92ca2de198e006f891240c8dcacc"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2911,8 +3070,8 @@
  "pallet-timestamp",
  "parity-scale-codec",
  "serde",
- "sp-io",
  "sp-runtime",
+ "sp-session",
  "sp-staking",
  "sp-std",
  "sp-trie",
@@ -2920,9 +3079,8 @@
 
 [[package]]
 name = "pallet-sudo"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70b15e01796c9d2791cbd9ae2d7c9b59c8eccc3682afbb1189f6ebe7b07f4d71"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2935,9 +3093,8 @@
 
 [[package]]
 name = "pallet-timestamp"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d9de9af5f5ed3377a6108eed436791bfe18bc3e4e2e416854d0074d31b1be00"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -2953,23 +3110,22 @@
 
 [[package]]
 name = "pallet-transaction-payment"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54768f5959e0bef53218b91f289d6807c0786d93fb90a3c7e39ab7ff9f018f23"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "frame-system",
  "pallet-transaction-payment-rpc-runtime-api",
  "parity-scale-codec",
+ "smallvec 1.4.1",
  "sp-runtime",
  "sp-std",
 ]
 
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7323ef565470b51bb79fc65d3c3a1bff0ecb317485acc66a64406309c25f1b77"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "frame-support",
  "parity-scale-codec",
@@ -2980,6 +3136,20 @@
 ]
 
 [[package]]
+name = "parity-db"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00d595e372d119261593297debbe4193811a4dc811d2a1ccbb8caaa6666ad7ab"
+dependencies = [
+ "blake2-rfc",
+ "crc32fast",
+ "libc",
+ "log",
+ "memmap",
+ "parking_lot 0.10.2",
+]
+
+[[package]]
 name = "parity-multiaddr"
 version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2999,9 +3169,9 @@
 
 [[package]]
 name = "parity-multiaddr"
-version = "0.8.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4db35e222f783ef4e6661873f6c165c4eb7b65e0c408349818517d5705c2d7d3"
+checksum = "cc20af3143a62c16e7c9e92ea5c6ae49f7d271d97d4d8fe73afc28f0514a3d0f"
 dependencies = [
  "arrayref",
  "bs58",
@@ -3011,7 +3181,7 @@
  "percent-encoding 2.1.0",
  "serde",
  "static_assertions",
- "unsigned-varint 0.3.3",
+ "unsigned-varint 0.4.0",
  "url 2.1.1",
 ]
 
@@ -3021,20 +3191,20 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a1cd2ba02391b81367bec529fb209019d718684fdc8ad6a712c2b536e46f775"
 dependencies = [
- "blake2",
- "bytes 0.5.4",
+ "blake2 0.8.1",
+ "bytes 0.5.6",
  "rand 0.7.3",
  "sha-1",
- "sha2",
+ "sha2 0.8.2",
  "sha3",
  "unsigned-varint 0.3.3",
 ]
 
 [[package]]
 name = "parity-scale-codec"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "329c8f7f4244ddb5c37c103641027a76c530e65e8e4b8240b29f81ea40508b17"
+checksum = "a74f02beb35d47e0706155c9eac554b50c671e0d868fe8296bcdf44a9a4847bf"
 dependencies = [
  "arrayvec 0.5.1",
  "bitvec",
@@ -3051,8 +3221,8 @@
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -3068,15 +3238,12 @@
 checksum = "2c6e2583649a3ca84894d1d71da249abcfda54d5aca24733d72ca10d0f02361c"
 dependencies = [
  "cfg-if",
- "ethereum-types",
- "hashbrown",
  "impl-trait-for-tuples",
- "lru",
  "parity-util-mem-derive",
  "parking_lot 0.10.2",
  "primitive-types",
- "smallvec 1.3.0",
- "winapi 0.3.8",
+ "smallvec 1.4.1",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3086,7 +3253,7 @@
 checksum = "f557c32c6d268a07c921471619c0295f5efad3a0e76d4f97a05c091a51d110b2"
 dependencies = [
  "proc-macro2",
- "syn 1.0.17",
+ "syn 1.0.34",
  "synstructure",
 ]
 
@@ -3114,7 +3281,7 @@
 checksum = "d3a704eb390aafdc107b0e392f56a82b668e3a71366993b5340f5833fd62505e"
 dependencies = [
  "lock_api",
- "parking_lot_core 0.7.1",
+ "parking_lot_core 0.7.2",
 ]
 
 [[package]]
@@ -3129,28 +3296,28 @@
  "redox_syscall",
  "rustc_version",
  "smallvec 0.6.13",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e136c1904604defe99ce5fd71a28d473fa60a12255d511aa78a9ddf11237aeb"
+checksum = "d58c7c768d4ba344e3e8d72518ac13e259d7c7ade24167003b8488e10b6740a3"
 dependencies = [
  "cfg-if",
  "cloudabi",
  "libc",
  "redox_syscall",
- "smallvec 1.3.0",
- "winapi 0.3.8",
+ "smallvec 1.4.1",
+ "winapi 0.3.9",
 ]
 
 [[package]]
 name = "paste"
-version = "0.1.10"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab4fb1930692d1b6a9cfabdde3d06ea0a7d186518e2f4d67660d8970e2fa647a"
+checksum = "45ca20c77d80be666aef2b45486da86238fabe33e38306bd3118fe4af33fa880"
 dependencies = [
  "paste-impl",
  "proc-macro-hack",
@@ -3158,14 +3325,11 @@
 
 [[package]]
 name = "paste-impl"
-version = "0.1.10"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a62486e111e571b1e93b710b61e8f493c0013be39629b714cb166bdb06aa5a8a"
+checksum = "d95a7db200b97ef370c8e6de0088252f7e0dfff7d047a28528e47456c0fc98b6"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
 ]
 
 [[package]]
@@ -3175,7 +3339,7 @@
 checksum = "006c038a43a45995a9670da19e67600114740e8511d4333bf97a56e66a7542d9"
 dependencies = [
  "byteorder",
- "crypto-mac",
+ "crypto-mac 0.7.0",
 ]
 
 [[package]]
@@ -3198,9 +3362,9 @@
 
 [[package]]
 name = "petgraph"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29c127eea4a29ec6c85d153c59dc1213f33ec74cead30fe4730aecc88cc1fd92"
+checksum = "467d164a6de56270bd7c4d070df81d07beace25012d5103ced4e9ff08d6afdb7"
 dependencies = [
  "fixedbitset",
  "indexmap",
@@ -3222,27 +3386,27 @@
 checksum = "6a0ffd45cf79d88737d7cc85bfd5d2894bee1139b356e616fe85dc389c61aaf7"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "pin-project-lite"
-version = "0.1.4"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "237844750cfbb86f67afe27eee600dfbbcb6188d734139b534cbfbf4f96792ae"
+checksum = "282adbf10f2698a7a77f8e983a74b2d18176c19a7fd32a45446139ae7b02b715"
 
 [[package]]
 name = "pin-utils"
-version = "0.1.0-alpha.4"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
 
 [[package]]
 name = "platforms"
@@ -3251,85 +3415,103 @@
 checksum = "feb3b2b1033b8a60b4da6ee470325f887758c95d5320f52f9ce0df055a55940e"
 
 [[package]]
+name = "poly1305"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b42192ab143ed7619bf888a7f9c6733a9a2153b218e2cd557cfdb52fbf9bb1"
+dependencies = [
+ "universal-hash",
+]
+
+[[package]]
+name = "polyval"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9a50142b55ab3ed0e9f68dfb3709f1d90d29da24e91033f28b96330643107dc"
+dependencies = [
+ "cfg-if",
+ "universal-hash",
+]
+
+[[package]]
 name = "ppv-lite86"
-version = "0.2.6"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
+checksum = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
 
 [[package]]
 name = "primitive-types"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5e4b9943a2da369aec5e96f7c10ebc74fcf434d39590d974b0a3460e6f67fbb"
+checksum = "c55c21c64d0eaa4d7ed885d959ef2d62d9e488c27c0e02d9aa5ce6c877b7d5f8"
 dependencies = [
  "fixed-hash",
  "impl-codec",
- "impl-rlp",
- "impl-serde 0.3.0",
+ "impl-serde 0.3.1",
  "uint",
 ]
 
 [[package]]
 name = "proc-macro-crate"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e10d4b51f154c8a7fb96fd6dad097cb74b863943ec010ac94b9fd1be8861fe1e"
+checksum = "1d6ea3c4595b96363c13943497db34af4460fb474a95c43f4446ad341b8c9785"
 dependencies = [
  "toml",
 ]
 
 [[package]]
 name = "proc-macro-error"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98e9e4b82e0ef281812565ea4751049f1bdcdfccda7d3f459f2e138a40c08678"
+checksum = "fc175e9777c3116627248584e8f8b3e2987405cabe1c0adf7d1dd28f09dc7880"
 dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
  "version_check",
 ]
 
 [[package]]
 name = "proc-macro-error-attr"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f5444ead4e9935abd7f27dc51f7e852a0569ac888096d5ec2499470794e2e53"
+checksum = "3cc9795ca17eb581285ec44936da7fc2335a3f34f2ddd13118b6f4d515435c50"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
  "syn-mid",
  "version_check",
 ]
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.15"
+version = "0.5.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d659fe7c6d27f25e9d80a1a094c223f5246f6a6596453e09d7229bf42750b63"
+checksum = "7e0456befd48169b9f13ef0f0ad46d492cf9d2dbb918bcf38e01eed4ce3ec5e4"
 
 [[package]]
 name = "proc-macro-nested"
-version = "0.1.4"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e946095f9d3ed29ec38de908c22f95d9ac008e424c7bcae54c75a79c527c694"
+checksum = "eba180dafb9038b050a4c280019bbedf9f2467b61e5d892dcad585bb57aadc5a"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.10"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df246d292ff63439fea9bc8c0a270bed0e390d5ebd4db4ba15aba81111b5abe3"
+checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
 dependencies = [
- "unicode-xid 0.2.0",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
 name = "procfs"
-version = "0.7.8"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe50036aa1b71e553a4a0c48ab7baabf8aa8c7a5a61aae06bf38c2eab7430475"
+checksum = "c434e93ef69c216e68e4f417c927b4f31502c3560b72cfdb6827e2321c5c6b3e"
 dependencies = [
  "bitflags",
  "byteorder",
@@ -3360,7 +3542,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce49aefe0a6144a45de32927c77bd2859a5f7677b55f220ae5b744e87389c212"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "prost-derive",
 ]
 
@@ -3370,7 +3552,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "02b10678c913ecbd69350e8535c3aef91a8676c0773fc1d7b95cdd196d7f2f26"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "heck",
  "itertools",
  "log",
@@ -3391,8 +3573,8 @@
  "anyhow",
  "itertools",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -3401,15 +3583,15 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1834f67c0697c001304b75be76f67add9c89742eda3a085ad8ee0bb38c3417aa"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "prost",
 ]
 
 [[package]]
 name = "protobuf"
-version = "2.14.0"
+version = "2.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e86d370532557ae7573551a1ec8235a0f8d6cb276c7c9e6aa490b511c447485"
+checksum = "d883f78645c21b7281d21305181aa1f4dd9e9363e7cf2566c93121552cff003e"
 
 [[package]]
 name = "pwasm-utils"
@@ -3447,9 +3629,9 @@
 
 [[package]]
 name = "quote"
-version = "1.0.3"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
 dependencies = [
  "proc-macro2",
 ]
@@ -3480,7 +3662,7 @@
  "libc",
  "rand_core 0.3.1",
  "rdrand",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3493,7 +3675,7 @@
  "fuchsia-cprng",
  "libc",
  "rand_core 0.3.1",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3510,9 +3692,9 @@
  "rand_isaac",
  "rand_jitter",
  "rand_os",
- "rand_pcg",
+ "rand_pcg 0.1.2",
  "rand_xorshift",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3526,6 +3708,7 @@
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "rand_hc 0.2.0",
+ "rand_pcg 0.2.1",
 ]
 
 [[package]]
@@ -3607,7 +3790,7 @@
 dependencies = [
  "libc",
  "rand_core 0.4.2",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3621,7 +3804,7 @@
  "libc",
  "rand_core 0.4.2",
  "rdrand",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3635,6 +3818,15 @@
 ]
 
 [[package]]
+name = "rand_pcg"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
+dependencies = [
+ "rand_core 0.5.1",
+]
+
+[[package]]
 name = "rand_xorshift"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -3651,10 +3843,11 @@
 
 [[package]]
 name = "rayon"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db6ce3297f9c85e16621bb8cca38a06779ffc31bb8184e1be4bed2be4678a098"
+checksum = "62f02856753d04e03e26929f820d0a0a337ebe71f849801eea335d464b349080"
 dependencies = [
+ "autocfg 1.0.0",
  "crossbeam-deque",
  "either",
  "rayon-core",
@@ -3662,9 +3855,9 @@
 
 [[package]]
 name = "rayon-core"
-version = "1.7.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08a89b46efaf957e52b18062fb2f4660f8b8a4dde1807ca002690868ef2c85a9"
+checksum = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280"
 dependencies = [
  "crossbeam-deque",
  "crossbeam-queue",
@@ -3684,15 +3877,46 @@
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
+
+[[package]]
+name = "redox_users"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09b23093265f8d200fa7b4c2c76297f47e681c655f6f1285a8780d6a022f7431"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "rust-argon2",
+]
+
+[[package]]
+name = "ref-cast"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "745c1787167ddae5569661d5ffb8b25ae5fedbf46717eaa92d652221cec72623"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+checksum = "7d21b475ab879ef0e315ad99067fa25778c3b0377f57f1b00207448dac1a3144"
+dependencies = [
+ "proc-macro2",
+ "quote 1.0.7",
+ "syn 1.0.34",
+]
 
 [[package]]
 name = "regex"
-version = "1.3.6"
+version = "1.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6946991529684867e47d86474e3a6d0c0ab9b82d5821e314b1ede31fa3a4b3"
+checksum = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -3702,32 +3926,32 @@
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.17"
+version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fe5bd57d1d7414c6b5ed48563a2c855d995ff777729dcd91c369ec7fea395ae"
+checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
 
 [[package]]
 name = "remove_dir_all"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
 dependencies = [
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
 name = "ring"
-version = "0.16.12"
+version = "0.16.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ba5a8ec64ee89a76c98c549af81ff14813df09c3e6dc4766c3856da48597a0c"
+checksum = "952cd6b98c85bbc30efa1ba5783b8abf12fec8b3287ffa52605b9432313e34e4"
 dependencies = [
  "cc",
- "lazy_static",
  "libc",
+ "once_cell",
  "spin",
  "untrusted",
  "web-sys",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3737,19 +3961,10 @@
 checksum = "cabe4fa914dec5870285fa7f71f602645da47c486e68486d2b4ceb4a343e90ac"
 
 [[package]]
-name = "rlp"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a7d3f9bed94764eac15b8f14af59fac420c236adaff743b7bcc88e265cb4345"
-dependencies = [
- "rustc-hex",
-]
-
-[[package]]
 name = "rocksdb"
-version = "0.13.0"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12069b106981c6103d3eab7dd1c86751482d0779a520b7c14954c8b586c1e643"
+checksum = "61aa17a99a2413cd71c1106691bf59dad7de0cd5099127f90e9d99c429c40d4a"
 dependencies = [
  "libc",
  "librocksdb-sys",
@@ -3762,10 +3977,22 @@
 checksum = "99371657d3c8e4d816fb6221db98fa408242b0b53bac08f8676a41f8554fe99f"
 dependencies = [
  "libc",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
+name = "rust-argon2"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bc8af4bda8e1ff4932523b94d3dd20ee30a87232323eda55903ffd71d2fb017"
+dependencies = [
+ "base64",
+ "blake2b_simd",
+ "constant_time_eq",
+ "crossbeam-utils",
+]
+
+[[package]]
 name = "rustc-demangle"
 version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -3823,16 +4050,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4da5fcb054c46f5a5dff833b129285a93d3f0179531735e6c866e8cc307d2020"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "pin-project",
  "static_assertions",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.3"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "535622e6be132bccd223f4bb2b8ac8d53cda3c7a6394944d3b2b33fb974f9d76"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "safe-mix"
@@ -3845,16 +4072,16 @@
 
 [[package]]
 name = "sc-basic-authorship"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5eeea19615c22c30accd79ca751b7db8642a3a88572432624a88c6754b6c7d33"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
  "sc-block-builder",
  "sc-client-api",
+ "sc-proposer-metrics",
  "sc-telemetry",
  "sp-api",
  "sp-blockchain",
@@ -3863,14 +4090,14 @@
  "sp-inherents",
  "sp-runtime",
  "sp-transaction-pool",
+ "substrate-prometheus-endpoint",
  "tokio-executor 0.2.0-alpha.6",
 ]
 
 [[package]]
 name = "sc-block-builder"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd7b45adef0526ef295a9b7da4af933322df7119385a78c2e96c99b5d54fcc35"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "sc-client-api",
@@ -3885,9 +4112,8 @@
 
 [[package]]
 name = "sc-chain-spec"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d37957c58cb0cf1fa9fe1187447d16e4708a7a0541ee2c1226b2536f4241742"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-trait-for-tuples",
  "sc-chain-spec-derive",
@@ -3902,31 +4128,28 @@
 
 [[package]]
 name = "sc-chain-spec-derive"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2703f02f31f53601ed0408df76939a2e1911ff64a146e7b15ed1be56193e91ba"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "sc-cli"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46513d8e34913e19ffb8663ff211528f5590712c3c4e69bfa41ca748120a2001"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "ansi_term 0.12.1",
- "app_dirs",
  "atty",
  "chrono",
- "clap",
  "derive_more",
+ "directories",
  "env_logger",
  "fdlimit",
- "futures 0.3.4",
+ "futures 0.3.5",
  "lazy_static",
  "log",
  "names",
@@ -3952,54 +4175,17 @@
  "structopt",
  "substrate-prometheus-endpoint",
  "time",
- "tokio 0.2.18",
-]
-
-[[package]]
-name = "sc-client"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9908c438f8e60d07c97a7f1d4ea8c6d31a498f283373c533f2006c032b9a4971"
-dependencies = [
- "derive_more",
- "fnv",
- "futures 0.3.4",
- "hash-db",
- "hex-literal",
- "kvdb",
- "log",
- "parity-scale-codec",
- "parking_lot 0.10.2",
- "sc-block-builder",
- "sc-client-api",
- "sc-executor",
- "sc-telemetry",
- "sp-api",
- "sp-blockchain",
- "sp-consensus",
- "sp-core",
- "sp-externalities",
- "sp-inherents",
- "sp-keyring",
- "sp-runtime",
- "sp-state-machine",
- "sp-std",
- "sp-trie",
- "sp-utils",
- "sp-version",
- "substrate-prometheus-endpoint",
- "tracing",
+ "tokio 0.2.21",
 ]
 
 [[package]]
 name = "sc-client-api"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0a2271c80a792efffc4abfe9be8b87c9747721cfa4426f3b707283a431bbacd"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "fnv",
- "futures 0.3.4",
+ "futures 0.3.5",
  "hash-db",
  "hex-literal",
  "kvdb",
@@ -4013,6 +4199,7 @@
  "sp-blockchain",
  "sp-consensus",
  "sp-core",
+ "sp-database",
  "sp-externalities",
  "sp-inherents",
  "sp-keyring",
@@ -4024,30 +4211,32 @@
  "sp-trie",
  "sp-utils",
  "sp-version",
+ "substrate-prometheus-endpoint",
 ]
 
 [[package]]
 name = "sc-client-db"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b1ae5b4c8333cb751cd9bbc7ecf0eb1c55d4865fca6651066844febcec71618"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
+ "blake2-rfc",
  "hash-db",
  "kvdb",
  "kvdb-memorydb",
  "kvdb-rocksdb",
  "linked-hash-map",
  "log",
+ "parity-db",
  "parity-scale-codec",
  "parity-util-mem",
  "parking_lot 0.10.2",
- "sc-client",
  "sc-client-api",
  "sc-executor",
  "sc-state-db",
  "sp-blockchain",
  "sp-consensus",
  "sp-core",
+ "sp-database",
  "sp-runtime",
  "sp-state-machine",
  "sp-trie",
@@ -4055,19 +4244,28 @@
 ]
 
 [[package]]
+name = "sc-consensus"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
+dependencies = [
+ "sc-client-api",
+ "sp-blockchain",
+ "sp-consensus",
+ "sp-runtime",
+]
+
+[[package]]
 name = "sc-consensus-aura"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a476e0650893a4e8c086c14f1ea5fde4a3de9f654a75c706f2c362406ee4d588"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
  "parking_lot 0.10.2",
  "sc-block-builder",
- "sc-client",
  "sc-client-api",
  "sc-consensus-slots",
  "sc-keystore",
@@ -4084,15 +4282,15 @@
  "sp-runtime",
  "sp-timestamp",
  "sp-version",
+ "substrate-prometheus-endpoint",
 ]
 
 [[package]]
 name = "sc-consensus-slots"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ec4ede5a5b469f5cc1ac9fd304c7683f1e57638e5d9f8f23df6a98758b9cc24"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
@@ -4100,6 +4298,7 @@
  "sc-client-api",
  "sc-telemetry",
  "sp-api",
+ "sp-application-crypto",
  "sp-blockchain",
  "sp-consensus",
  "sp-core",
@@ -4110,9 +4309,8 @@
 
 [[package]]
 name = "sc-executor"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f238a411de5e1cfe3b104f287aad0a48e4a39d9157171b7761d91d6d4a76610a"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "lazy_static",
@@ -4123,6 +4321,7 @@
  "parking_lot 0.10.2",
  "sc-executor-common",
  "sc-executor-wasmi",
+ "sp-api",
  "sp-core",
  "sp-externalities",
  "sp-io",
@@ -4137,9 +4336,8 @@
 
 [[package]]
 name = "sc-executor-common"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "549d94ce1316c168a72c26abf0bf3390ae76b1645030e2aac9ecf0542b04fa85"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "log",
@@ -4155,9 +4353,8 @@
 
 [[package]]
 name = "sc-executor-wasmi"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c7efc6978b59884e1593ec172fe5b1a909c980b0e495897c904da50616c3a7a"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -4171,14 +4368,14 @@
 
 [[package]]
 name = "sc-finality-grandpa"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8bcf9e6787b6b421c2152e3d876105dec0c4cfa9fdac6bca54bec404d79a8593"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "assert_matches",
+ "derive_more",
  "finality-grandpa",
  "fork-tree",
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
@@ -4186,8 +4383,8 @@
  "pin-project",
  "rand 0.7.3",
  "sc-block-builder",
- "sc-client",
  "sc-client-api",
+ "sc-consensus",
  "sc-keystore",
  "sc-network",
  "sc-network-gossip",
@@ -4208,12 +4405,11 @@
 
 [[package]]
 name = "sc-informant"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a03ec9890c64668809ac230921c504f18dc79bec75addf02da197b437d740dda"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "ansi_term 0.12.1",
- "futures 0.3.4",
+ "futures 0.3.5",
  "log",
  "parity-util-mem",
  "sc-client-api",
@@ -4226,9 +4422,8 @@
 
 [[package]]
 name = "sc-keystore"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fd2f3cb18368d58af4946e277b9e4bea605feb65872116130c1dd0905f341e3"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "hex",
@@ -4237,26 +4432,27 @@
  "serde_json",
  "sp-application-crypto",
  "sp-core",
- "subtle 2.2.2",
+ "subtle 2.2.3",
 ]
 
 [[package]]
 name = "sc-network"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fda92d4930bd77f3d215504ce16a3715585d8fc7c3d7be3c6f6891ee841f5686"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "bitflags",
- "bytes 0.5.4",
+ "bs58",
+ "bytes 0.5.6",
  "derive_more",
  "either",
  "erased-serde",
  "fnv",
  "fork-tree",
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
- "futures_codec",
+ "futures_codec 0.3.4",
  "hex",
+ "ip_network",
  "libp2p",
  "linked-hash-map",
  "linked_hash_set",
@@ -4270,7 +4466,6 @@
  "prost-build",
  "rand 0.7.3",
  "sc-block-builder",
- "sc-client",
  "sc-client-api",
  "sc-peerset",
  "serde",
@@ -4281,7 +4476,6 @@
  "sp-arithmetic",
  "sp-blockchain",
  "sp-consensus",
- "sp-consensus-babe",
  "sp-core",
  "sp-runtime",
  "sp-utils",
@@ -4295,32 +4489,29 @@
 
 [[package]]
 name = "sc-network-gossip"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a61f954d0ce6279fe48df2d3d20d3e5589964d501509f85b323cb0fde37b1b90"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "libp2p",
  "log",
  "lru",
  "sc-network",
  "sp-runtime",
- "sp-utils",
  "wasm-timer",
 ]
 
 [[package]]
 name = "sc-offchain"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3544cf74f21323eac40c965a3ccda06d828875127e7966c0a05db9686460bf34"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "fnv",
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
- "hyper 0.13.4",
+ "hyper 0.13.7",
  "hyper-rustls",
  "log",
  "num_cpus",
@@ -4340,11 +4531,10 @@
 
 [[package]]
 name = "sc-peerset"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17b85bec68c3c1b4495b6eabdf14d1c4140a6d569b61af9c4f721f23eae42ed7"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "libp2p",
  "log",
  "serde_json",
@@ -4353,12 +4543,20 @@
 ]
 
 [[package]]
+name = "sc-proposer-metrics"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
+dependencies = [
+ "log",
+ "substrate-prometheus-endpoint",
+]
+
+[[package]]
 name = "sc-rpc"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86f8136a2d703b2f4aeb970707ec83d55ae584c3c0af7aa10b3bd93b227a6fd0"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "hash-db",
  "jsonrpc-core",
  "jsonrpc-pubsub",
@@ -4366,7 +4564,6 @@
  "parity-scale-codec",
  "parking_lot 0.10.2",
  "sc-block-builder",
- "sc-client",
  "sc-client-api",
  "sc-executor",
  "sc-keystore",
@@ -4388,12 +4585,11 @@
 
 [[package]]
 name = "sc-rpc-api"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c681fed8a6aab250f1fbb0848dee73c199bbcf94dc03f27edb57d2c50f0cff3"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
- "futures 0.3.4",
+ "futures 0.3.5",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -4413,9 +4609,8 @@
 
 [[package]]
 name = "sc-rpc-server"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29d090ab799eaf3e41f36cdd9c79c2f5d1b0eeefc5f3422bc273084badd7ff62"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-http-server",
@@ -4429,16 +4624,16 @@
 
 [[package]]
 name = "sc-service"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b6863666dc415a261bb21dfe599403fb977720feb5bc6ebacf078f5f78c165b"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "exit-future",
  "futures 0.1.29",
- "futures 0.3.4",
- "futures-diagnose",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
+ "hash-db",
+ "jsonrpc-pubsub",
  "lazy_static",
  "log",
  "netstat2",
@@ -4446,9 +4641,11 @@
  "parity-scale-codec",
  "parity-util-mem",
  "parking_lot 0.10.2",
+ "pin-project",
  "procfs",
+ "rand 0.7.3",
+ "sc-block-builder",
  "sc-chain-spec",
- "sc-client",
  "sc-client-api",
  "sc-client-db",
  "sc-executor",
@@ -4465,14 +4662,19 @@
  "slog",
  "sp-api",
  "sp-application-crypto",
+ "sp-block-builder",
  "sp-blockchain",
  "sp-consensus",
  "sp-core",
+ "sp-externalities",
  "sp-io",
  "sp-runtime",
  "sp-session",
+ "sp-state-machine",
  "sp-transaction-pool",
+ "sp-trie",
  "sp-utils",
+ "sp-version",
  "substrate-prometheus-endpoint",
  "sysinfo",
  "tracing",
@@ -4481,9 +4683,8 @@
 
 [[package]]
 name = "sc-state-db"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f31877c85414ed8e19a480940d7ae340832e7616208072cb43982fdcdd176021"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -4496,12 +4697,11 @@
 
 [[package]]
 name = "sc-telemetry"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fdaddc5a9aaeabbe68599ae2bfa4f247fa1617e8a119f4665884757052697035"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "bytes 0.5.4",
- "futures 0.3.4",
+ "bytes 0.5.6",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "libp2p",
  "log",
@@ -4519,9 +4719,8 @@
 
 [[package]]
 name = "sc-tracing"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75a0c0eecadf7c89b09e4e7290b301ffd8c3b30af4d1aa47d147f32f9d9e0b33"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "erased-serde",
  "log",
@@ -4535,12 +4734,11 @@
 
 [[package]]
 name = "sc-transaction-graph"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b7f1ad6be774288fd73818271d3041442956a149a461de22f97f12210fdc776"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
- "futures 0.3.4",
+ "futures 0.3.5",
  "linked-hash-map",
  "log",
  "parity-util-mem",
@@ -4556,12 +4754,11 @@
 
 [[package]]
 name = "sc-transaction-pool"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca9c7db165344a2d45dc1b7d0a52e1028198b25adba8406e05055f4c5e5626b8"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-diagnose",
  "intervalier",
  "log",
@@ -4574,19 +4771,21 @@
  "sp-blockchain",
  "sp-core",
  "sp-runtime",
+ "sp-tracing",
  "sp-transaction-pool",
  "sp-utils",
+ "substrate-prometheus-endpoint",
  "wasm-timer",
 ]
 
 [[package]]
 name = "schannel"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "039c25b130bd8c1321ee2d7de7fde2659fa9c2744e4bb29711cfc852ea53cd19"
+checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
 dependencies = [
  "lazy_static",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -4602,8 +4801,8 @@
  "merlin",
  "rand 0.7.3",
  "rand_core 0.5.1",
- "sha2",
- "subtle 2.2.2",
+ "sha2 0.8.2",
+ "subtle 2.2.3",
  "zeroize",
 ]
 
@@ -4625,9 +4824,9 @@
 
 [[package]]
 name = "security-framework"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "572dfa3a0785509e7a44b5b4bebcf94d41ba34e9ed9eb9df722545c3b3c4144a"
+checksum = "64808902d7d99f78eaddd2b4e2509713babc3dc3c85ad6f4c447680f3c01e535"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -4638,9 +4837,9 @@
 
 [[package]]
 name = "security-framework-sys"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ddb15a5fec93b7021b8a9e96009c5d8d51c15673569f7c0f6b7204e5b7b404f"
+checksum = "17bf11d99252f512695eb468de5516e5cf75455521e69dfe343f3b74e4748405"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -4669,29 +4868,29 @@
 
 [[package]]
 name = "serde"
-version = "1.0.106"
+version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36df6ac6412072f67cf767ebbde4133a5b2e88e76dc6187fa7104cd16f783399"
+checksum = "5317f7588f0a5078ee60ef675ef96735a1442132dc645eb1d12c018620ed8cd3"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.106"
+version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e549e3abf4fb8621bd1609f11dfc9f5e50320802273b12f3811a67e6716ea6c"
+checksum = "2a0be94b04690fbaed37cddffc5c134bf537c8e3329d53e982fe04c374978f8e"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.51"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da07b57ee2623368351e9a0488bb0b261322a15a6e0ae53e243cbdc0f4208da9"
+checksum = "3433e879a558dde8b5e8feb2a04899cf34fdde1fafb894687e52105fc1162ac3"
 dependencies = [
  "itoa",
  "ryu",
@@ -4704,10 +4903,10 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
  "fake-simd",
- "opaque-debug",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
@@ -4718,14 +4917,27 @@
 
 [[package]]
 name = "sha2"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27044adfd2e1f077f649f59deb9490d3941d674002f7d062870a60ebe9bd47a0"
+checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
  "fake-simd",
- "opaque-debug",
+ "opaque-debug 0.2.3",
+]
+
+[[package]]
+name = "sha2"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2933378ddfeda7ea26f48c555bdad8bb446bf8a3d17832dc83e380d444cfb8c1"
+dependencies = [
+ "block-buffer 0.9.0",
+ "cfg-if",
+ "cpuid-bool",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -4734,21 +4946,11 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd26bc0e7a2e3a7c959bc494caf58b72ee0c71d67704e9520f736ca7e4853ecf"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.7.3",
  "byte-tools",
- "digest",
+ "digest 0.8.1",
  "keccak",
- "opaque-debug",
-]
-
-[[package]]
-name = "shell32-sys"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ee04b46101f57121c9da2b151988283b6beb79b34f5bb29a58ee48cb695122c"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
@@ -4813,8 +5015,8 @@
 checksum = "a945ec7f7ce853e89ffa36be1e27dce9a43e82ff9093bf3461c30d5da74ed11b"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -4828,53 +5030,64 @@
 
 [[package]]
 name = "smallvec"
-version = "1.3.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05720e22615919e4734f6a99ceae50d00226c3c5aca406e102ebc33298214e0a"
+checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
 
 [[package]]
 name = "snow"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afb767eee7d257ba202f0b9b08673bc13b22281632ef45267b19f13100accd2f"
+checksum = "32bf8474159a95551661246cda4976e89356999e3cbfef36f493dacc3fae1e8e"
 dependencies = [
- "arrayref",
- "blake2-rfc",
- "chacha20-poly1305-aead",
+ "aes-gcm",
+ "blake2 0.9.0",
+ "chacha20poly1305",
  "rand 0.7.3",
  "rand_core 0.5.1",
  "ring",
  "rustc_version",
- "sha2",
- "subtle 2.2.2",
+ "sha2 0.9.1",
+ "subtle 2.2.3",
  "x25519-dalek",
 ]
 
 [[package]]
+name = "socket2"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "winapi 0.3.9",
+]
+
+[[package]]
 name = "soketto"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c9dab3f95c9ebdf3a88268c19af668f637a3c5039c2c56ff2d40b1b2d64a25b"
 dependencies = [
  "base64",
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "flate2",
- "futures 0.3.4",
+ "futures 0.3.5",
  "http 0.2.1",
  "httparse",
  "log",
  "rand 0.7.3",
  "sha1",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
  "static_assertions",
  "thiserror",
 ]
 
 [[package]]
 name = "sp-allocator"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6532c396c2d6727d9b0d3eee3edbcaf939e78a6ce944fa34c2b98d6a02a2485e"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "log",
@@ -4885,9 +5098,8 @@
 
 [[package]]
 name = "sp-api"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6a4df52a0c56d742fc75f4da486627c1b050be2ac87cc042c2c0246756f22d2"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "hash-db",
  "parity-scale-codec",
@@ -4901,22 +5113,20 @@
 
 [[package]]
 name = "sp-api-proc-macro"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff834a833fd8beda20cd588341cdae52336f02f60aa6f0a34d9fd4d91975b369"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "blake2-rfc",
  "proc-macro-crate",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "sp-application-crypto"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e5dec618ed8ea85fd767358185a412440c02a0adce569c2aa92ee355550d678"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -4927,14 +5137,12 @@
 
 [[package]]
 name = "sp-arithmetic"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b413966b541aadf8725dddc29daeefa950f45b17208f33302890484c56009bd3"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "integer-sqrt",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
  "parity-scale-codec",
- "primitive-types",
  "serde",
  "sp-debug-derive",
  "sp-std",
@@ -4942,9 +5150,8 @@
 
 [[package]]
 name = "sp-block-builder"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70049c389c66c4c9207149e2579ce6d752788dee8c596fbda76059f2ddde968f"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -4955,9 +5162,8 @@
 
 [[package]]
 name = "sp-blockchain"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3db268602314a0f3a028ef6073185a6a5e0b8e7703da306e72e8a1fcbd2a0c05"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "log",
@@ -4972,9 +5178,8 @@
 
 [[package]]
 name = "sp-chain-spec"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0d73d557c214577b64a396e54f337403e251339a6599387747ae3570a19bb27"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "serde",
  "serde_json",
@@ -4982,13 +5187,11 @@
 
 [[package]]
 name = "sp-consensus"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a4eec34198eb14fc2ef129df522e28df5ce6aeea886369ef2eafaaec6bc4fc7"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
- "futures 0.3.4",
- "futures-diagnose",
+ "futures 0.3.5",
  "futures-timer 3.0.2",
  "libp2p",
  "log",
@@ -5002,72 +5205,43 @@
  "sp-std",
  "sp-utils",
  "sp-version",
+ "substrate-prometheus-endpoint",
 ]
 
 [[package]]
 name = "sp-consensus-aura"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a5ffbc4aca29fe7a0f0c419445e34758210dba6418eeb101d60c1e15b27797a"
-dependencies = [
- "parity-scale-codec",
- "sp-api",
- "sp-application-crypto",
- "sp-inherents",
- "sp-runtime",
- "sp-std",
- "sp-timestamp",
-]
-
-[[package]]
-name = "sp-consensus-babe"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac6108fbecddd95ce8151f09e8ecb0941b3eddcfeefb4c996f27a8a8b4827abd"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
  "sp-application-crypto",
- "sp-consensus",
- "sp-consensus-vrf",
  "sp-inherents",
  "sp-runtime",
  "sp-std",
  "sp-timestamp",
-]
-
-[[package]]
-name = "sp-consensus-vrf"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ba3eef8ab960eb88307f1c4eda1c36dfd95dc933bd6a277d2e26a503a6e5a71"
-dependencies = [
- "parity-scale-codec",
- "schnorrkel",
- "sp-core",
- "sp-runtime",
- "sp-std",
 ]
 
 [[package]]
 name = "sp-core"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0589a2e394a3dcd5dfd258c5f5bf22e6d0f28ffbd5e6d3a09ad702a6dc1c0152"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "base58",
  "blake2-rfc",
  "byteorder",
+ "derive_more",
  "ed25519-dalek",
- "futures 0.3.4",
+ "futures 0.3.5",
  "hash-db",
  "hash256-std-hasher",
  "hex",
- "impl-serde 0.3.0",
+ "impl-serde 0.3.1",
  "lazy_static",
  "libsecp256k1",
  "log",
- "num-traits 0.2.11",
+ "merlin",
+ "num-traits 0.2.12",
  "parity-scale-codec",
  "parity-util-mem",
  "parking_lot 0.10.2",
@@ -5076,7 +5250,7 @@
  "regex",
  "schnorrkel",
  "serde",
- "sha2",
+ "sha2 0.8.2",
  "sp-debug-derive",
  "sp-externalities",
  "sp-runtime-interface",
@@ -5091,46 +5265,55 @@
 ]
 
 [[package]]
+name = "sp-database"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
+dependencies = [
+ "kvdb",
+ "parking_lot 0.10.2",
+]
+
+[[package]]
 name = "sp-debug-derive"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df968a922a9d3b3f65d37e91e30904876efce88d017d4448c4babc990a738134"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "sp-externalities"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b06b8ac80a03205205426ae9ef3200133a8ffab4f4f0eeecd3b858034f9e5b02"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "environmental",
+ "parity-scale-codec",
  "sp-std",
  "sp-storage",
 ]
 
 [[package]]
 name = "sp-finality-grandpa"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e7107d11f07fb400a0d71838225865e2bf27f79241751ef9ff1501980dd63b3"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
+ "finality-grandpa",
+ "log",
  "parity-scale-codec",
  "serde",
  "sp-api",
  "sp-application-crypto",
+ "sp-core",
  "sp-runtime",
  "sp-std",
 ]
 
 [[package]]
 name = "sp-finality-tracker"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5f718fb1e75fd137b01b539a200cf5e3cd1e0f1d21dc55a03341d7e25c81624"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "sp-inherents",
@@ -5139,9 +5322,8 @@
 
 [[package]]
 name = "sp-inherents"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a14f699ab5cac6c9e80197774f06a4aa38211cb8acdb8660e328775efa2599e1"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
  "parity-scale-codec",
@@ -5152,14 +5334,15 @@
 
 [[package]]
 name = "sp-io"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20758b1831f75d58c20ca735d34b96dc792ef8264bf4d4a8c476964d90a6aea7"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
+ "futures 0.3.5",
  "hash-db",
  "libsecp256k1",
  "log",
  "parity-scale-codec",
+ "parking_lot 0.10.2",
  "sp-core",
  "sp-externalities",
  "sp-runtime-interface",
@@ -5171,9 +5354,8 @@
 
 [[package]]
 name = "sp-keyring"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f71e65eb13d8a4d320d3785558ac8fc12f8b2bdbfc5268c0e8a5a143d68686e"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -5183,19 +5365,18 @@
 
 [[package]]
 name = "sp-offchain"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6dfc02ea51f7abe7e8999658a8a41693426f14e66cff6cc5af989888289ad0fc"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "sp-api",
+ "sp-core",
  "sp-runtime",
 ]
 
 [[package]]
 name = "sp-panic-handler"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef909e5ea664bce0bca723baf352c75125e4ed017843240e91d718df4720e1e4"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "backtrace",
  "log",
@@ -5203,9 +5384,8 @@
 
 [[package]]
 name = "sp-rpc"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d29a58ef51317f96eec408b40c604ccfe8c7c3b9ecc2636e2a9c84a79fae53a"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "serde",
  "sp-core",
@@ -5213,9 +5393,8 @@
 
 [[package]]
 name = "sp-runtime"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb1f98caf8bb20c7d69ba3097f3283ebc615f4a33e79ae0ca5934364be5776ac"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "hash256-std-hasher",
  "impl-trait-for-tuples",
@@ -5235,37 +5414,35 @@
 
 [[package]]
 name = "sp-runtime-interface"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "289491386162a8d867d219f4f4dd3a7c11181c8ee9957e41b8747b555a9f4433"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "primitive-types",
  "sp-externalities",
  "sp-runtime-interface-proc-macro",
  "sp-std",
+ "sp-tracing",
  "sp-wasm-interface",
  "static_assertions",
 ]
 
 [[package]]
 name = "sp-runtime-interface-proc-macro"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "609529717f6c9cdd5bb6329c4ca9ddb1d36f698bd1f5dd2bdf0e94c064d7cc5b"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "Inflector",
  "proc-macro-crate",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "sp-sandbox"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f2441d2ed3b141b74a6eaca28b469420bcd438c3ac43d25eadfe494d905135f"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "sp-core",
@@ -5277,9 +5454,8 @@
 
 [[package]]
 name = "sp-serializer"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7b306e15eb54af25aef9d752c22778da3fa115945e47bf047545be2847cf814"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "serde",
  "serde_json",
@@ -5287,21 +5463,21 @@
 
 [[package]]
 name = "sp-session"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fca3ff8ddd14c5928536483d4b393bb795d55dcb5b576b1dceb3f5829216c76"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
+ "parity-scale-codec",
  "sp-api",
  "sp-core",
  "sp-runtime",
+ "sp-staking",
  "sp-std",
 ]
 
 [[package]]
 name = "sp-staking"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61d7105e78848b8a8f6af3539a0cf7d9627b78a8776f61f43769da6406937ea9"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "parity-scale-codec",
  "sp-runtime",
@@ -5310,13 +5486,12 @@
 
 [[package]]
 name = "sp-state-machine"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd5de28eb08ce52f45ed32257b324766183dfe4d74a29242b934365ff80911ca"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "hash-db",
  "log",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
  "parity-scale-codec",
  "parking_lot 0.10.2",
  "rand 0.7.3",
@@ -5330,17 +5505,16 @@
 
 [[package]]
 name = "sp-std"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eca806523d5df8082c89da042e31292f0c8f6e6ad9c3cfc312edfffde6a08490"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 
 [[package]]
 name = "sp-storage"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2cb515df8b37fbdbb6769d2e992748b6134d592ec3b795b8e672621d754f94b"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-serde 0.2.3",
+ "ref-cast",
  "serde",
  "sp-debug-derive",
  "sp-std",
@@ -5348,9 +5522,8 @@
 
 [[package]]
 name = "sp-timestamp"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd289fc7dbbae54cfe4db93a204df6371d6f3b5b8d5819fa7287e7d44a83eb86"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -5362,26 +5535,33 @@
 ]
 
 [[package]]
+name = "sp-tracing"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
+dependencies = [
+ "tracing",
+]
+
+[[package]]
 name = "sp-transaction-pool"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f62c89a439db3f248980da189811e45666b758bc3cb8a9eb587d73d2e91b3403"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "derive_more",
- "futures 0.3.4",
+ "futures 0.3.5",
  "log",
  "parity-scale-codec",
  "serde",
  "sp-api",
+ "sp-blockchain",
  "sp-runtime",
  "sp-utils",
 ]
 
 [[package]]
 name = "sp-trie"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4194817027eb92525e9279ec651160d709340d74b707f7648654c8eb2a626be3"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -5394,11 +5574,10 @@
 
 [[package]]
 name = "sp-utils"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae3cd7ac8f6d105dd1d9483f7d2d20e0e77cecdfe0a7fe6d0bd0616cebb80ce3"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "futures-core",
  "lazy_static",
  "prometheus",
@@ -5406,9 +5585,8 @@
 
 [[package]]
 name = "sp-version"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "319c37fa4aa91ee9ee9c20a3fab0d5b6b1bbe1dea997319c303f28a62f49765d"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-serde 0.2.3",
  "parity-scale-codec",
@@ -5419,9 +5597,8 @@
 
 [[package]]
 name = "sp-wasm-interface"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7584168f2785f6676727545a31a3cd97159d7023d968540b4881a98d73991900"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -5437,9 +5614,9 @@
 
 [[package]]
 name = "stable_deref_trait"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
 [[package]]
 name = "static_assertions"
@@ -5457,6 +5634,15 @@
 ]
 
 [[package]]
+name = "stream-cipher"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09f8ed9974042b8c3672ff3030a69fcc03b74c47c3d1ecb7755e8a3626011e88"
+dependencies = [
+ "generic-array 0.14.3",
+]
+
+[[package]]
 name = "string"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -5473,9 +5659,9 @@
 
 [[package]]
 name = "structopt"
-version = "0.3.13"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff6da2e8d107dfd7b74df5ef4d205c6aebee0706c647f6bc6a2d5789905c00fb"
+checksum = "de2f5e239ee807089b62adce73e48c625e0ed80df02c7ab3f068f5db5281065c"
 dependencies = [
  "clap",
  "lazy_static",
@@ -5484,15 +5670,15 @@
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.6"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a489c87c08fbaf12e386665109dd13470dcc9c4583ea3e10dd2b4523e5ebd9ac"
+checksum = "510413f9de616762a4fbeab62509bf15c729603b72d7cd71280fbca431b1c118"
 dependencies = [
  "heck",
  "proc-macro-error",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -5512,8 +5698,8 @@
 dependencies = [
  "heck",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -5525,38 +5711,35 @@
  "hmac",
  "pbkdf2",
  "schnorrkel",
- "sha2",
+ "sha2 0.8.2",
 ]
 
 [[package]]
 name = "substrate-build-script-utils"
-version = "2.0.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0abd8ab46d560d0d5cffd8d016c6b75eb5df91885b1b226b819ab600f02237c"
+version = "2.0.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "platforms",
 ]
 
 [[package]]
 name = "substrate-prometheus-endpoint"
-version = "0.8.0-alpha.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61cad984ef1fec55fe46843630566f98cde0ad3de07efbbf8a4f857b36fedf30"
+version = "0.8.0-rc3"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 dependencies = [
  "async-std",
  "derive_more",
  "futures-util",
- "hyper 0.13.4",
+ "hyper 0.13.7",
  "log",
  "prometheus",
- "tokio 0.2.18",
+ "tokio 0.2.21",
 ]
 
 [[package]]
 name = "substrate-wasm-builder-runner"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e30c70de7e7d5fd404fe26db1e7a4d6b553e2760b1ac490f249c04a960c483b8"
+version = "1.0.6"
+source = "git+https://github.com/paritytech/substrate.git?tag=v2.0.0-rc3#34695a85650b58bcd7d7e2a677cafc2921251d68"
 
 [[package]]
 name = "subtle"
@@ -5566,9 +5749,9 @@
 
 [[package]]
 name = "subtle"
-version = "2.2.2"
+version = "2.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c65d530b10ccaeac294f349038a597e435b18fb456aadd0840a623f83b9e941"
+checksum = "502d53007c02d7605a05df1c1a73ee436952781653da5d0bf57ad608f66932c1"
 
 [[package]]
 name = "syn"
@@ -5583,13 +5766,13 @@
 
 [[package]]
 name = "syn"
-version = "1.0.17"
+version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0df0eb663f387145cab623dea85b09c2c5b4b0aef44e945d928e682fce71bb03"
+checksum = "936cae2873c940d92e697597c5eee105fb570cd5689c695806f672883653349b"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "unicode-xid 0.2.0",
+ "quote 1.0.7",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
@@ -5599,8 +5782,8 @@
 checksum = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -5614,21 +5797,21 @@
 
 [[package]]
 name = "synstructure"
-version = "0.12.3"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
+checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
- "unicode-xid 0.2.0",
+ "quote 1.0.7",
+ "syn 1.0.34",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
 name = "sysinfo"
-version = "0.12.0"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ccb41798287e8e299a701b5560d886d6ca2c3e7115e9ea2cb68c123aec339b7"
+checksum = "1cac193374347e7c263c5f547524f36ff8ec6702d56c8799c8331d26dffe8c1e"
 dependencies = [
  "cfg-if",
  "doc-comment",
@@ -5636,7 +5819,7 @@
  "ntapi",
  "once_cell",
  "rayon",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -5656,7 +5839,7 @@
  "rand 0.7.3",
  "redox_syscall",
  "remove_dir_all",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -5679,22 +5862,22 @@
 
 [[package]]
 name = "thiserror"
-version = "1.0.15"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54b3d3d2ff68104100ab257bb6bb0cb26c901abe4bd4ba15961f3bf867924012"
+checksum = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.15"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca972988113b7715266f91250ddb98070d033c62a011fa0fcc57434a649310dd"
+checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
@@ -5708,22 +5891,21 @@
 
 [[package]]
 name = "threadpool"
-version = "1.7.1"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2f0c90a5f3459330ac8bc0d2f879c693bb7a2f59689c1083fc4ef83834da865"
+checksum = "d050e60b33d41c19108b32cea32164033a9013fe3b46cbd4457559bfbf77afaa"
 dependencies = [
  "num_cpus",
 ]
 
 [[package]]
 name = "time"
-version = "0.1.42"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "redox_syscall",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -5738,7 +5920,7 @@
  "pbkdf2",
  "rand 0.7.3",
  "rustc-hash",
- "sha2",
+ "sha2 0.8.2",
  "unicode-normalization",
 ]
 
@@ -5752,6 +5934,12 @@
 ]
 
 [[package]]
+name = "tinyvec"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53953d2d3a5ad81d9f844a32f14ebb121f50b650cd59d0ee2a07cf13c617efed"
+
+[[package]]
 name = "tokio"
 version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -5777,11 +5965,11 @@
 
 [[package]]
 name = "tokio"
-version = "0.2.18"
+version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34ef16d072d2b6dc8b4a56c70f5c5ced1a37752116f8e7c1e80c659aa7cb6713"
+checksum = "d099fa27b9702bed751524694adbe393e18b36b204da91eb1cbbbbb4a5ee2d58"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "iovec",
@@ -5794,7 +5982,7 @@
  "pin-project-lite",
  "signal-hook-registry",
  "slab",
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -5893,13 +6081,13 @@
 
 [[package]]
 name = "tokio-rustls"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4adb8b3e5f86b707f1b54e7c15b6de52617a823608ccda98a15d3a24222f265a"
+checksum = "15cb62a0d2770787abc96e99c1cd98fcf17f94959f3af63ca85bdfb203f051b4"
 dependencies = [
  "futures-core",
  "rustls",
- "tokio 0.2.18",
+ "tokio 0.2.21",
  "webpki",
 ]
 
@@ -5984,9 +6172,9 @@
 
 [[package]]
 name = "tokio-uds"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5076db410d6fdc6523df7595447629099a1fdc47b3d9f896220780fa48faf798"
+checksum = "ab57a4ac4111c8c9dbcf70779f6fc8bc35ae4b2454809febac840ad19bd7e4e0"
 dependencies = [
  "bytes 0.4.12",
  "futures 0.1.29",
@@ -6006,12 +6194,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "futures-core",
  "futures-sink",
  "log",
  "pin-project-lite",
- "tokio 0.2.18",
+ "tokio 0.2.21",
 ]
 
 [[package]]
@@ -6031,30 +6219,32 @@
 
 [[package]]
 name = "tracing"
-version = "0.1.13"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1721cc8cf7d770cc4257872507180f35a4797272f5962f24c806af9e7faf52ab"
+checksum = "c2e2a2de6b0d5cbb13fc21193a2296888eaab62b6044479aafb3c54c01c29fcd"
 dependencies = [
  "cfg-if",
+ "log",
  "tracing-attributes",
  "tracing-core",
 ]
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.7"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fbad39da2f9af1cae3016339ad7f2c7a9e870f12e8fd04c4fd7ef35b30c0d2b"
+checksum = "f0693bf8d6f2bf22c690fc61a9d21ac69efdbb894a17ed596b9af0f01e64b84b"
 dependencies = [
- "quote 1.0.3",
- "syn 1.0.17",
+ "proc-macro2",
+ "quote 1.0.7",
+ "syn 1.0.34",
 ]
 
 [[package]]
 name = "tracing-core"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0aa83a9a47081cd522c09c81b31aec2c9273424976f922ad61c053b58350b715"
+checksum = "94ae75f0d28ae10786f3b1895c55fe72e79928fd5ccdebb5438c75e93fec178f"
 dependencies = [
  "lazy_static",
 ]
@@ -6069,7 +6259,7 @@
  "hashbrown",
  "log",
  "rustc-hex",
- "smallvec 1.3.0",
+ "smallvec 1.4.1",
 ]
 
 [[package]]
@@ -6083,9 +6273,9 @@
 
 [[package]]
 name = "try-lock"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "twox-hash"
@@ -6104,9 +6294,9 @@
 
 [[package]]
 name = "uint"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e75a4cdd7b87b28840dba13c483b9a88ee6bbf16ba5c951ee1ecfcf723078e0d"
+checksum = "173cd16430c206dc1a430af8a89a0e9c076cf15cb42b4aedb10e8cc8fee73681"
 dependencies = [
  "byteorder",
  "crunchy",
@@ -6134,11 +6324,11 @@
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.12"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5479532badd04e128284890390c1e876ef7a993d0570b3597ae43dfa1d59afa4"
+checksum = "6fb19cf769fa8c6a80a162df694621ebeb4dafb606470b2b2fce0be40a98a977"
 dependencies = [
- "smallvec 1.3.0",
+ "tinyvec",
 ]
 
 [[package]]
@@ -6149,9 +6339,9 @@
 
 [[package]]
 name = "unicode-width"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
+checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
 [[package]]
 name = "unicode-xid"
@@ -6161,9 +6351,19 @@
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.0"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+
+[[package]]
+name = "universal-hash"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
+checksum = "8326b2c654932e3e4f9196e69d08fdf7cfd718e1dc6f66b347e6024a0c961402"
+dependencies = [
+ "generic-array 0.14.3",
+ "subtle 2.2.3",
+]
 
 [[package]]
 name = "unsigned-varint"
@@ -6171,10 +6371,10 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f67332660eb59a6f1eb24ff1220c9e8d01738a8503c6002e30bcfe4bd9f2b4a9"
 dependencies = [
- "bytes 0.5.4",
+ "bytes 0.5.6",
  "futures-io",
  "futures-util",
- "futures_codec",
+ "futures_codec 0.3.4",
 ]
 
 [[package]]
@@ -6182,12 +6382,16 @@
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "669d776983b692a906c881fcd0cfb34271a48e197e4d6cb8df32b05bfc3d3fa5"
+dependencies = [
+ "bytes 0.5.6",
+ "futures_codec 0.4.1",
+]
 
 [[package]]
 name = "untrusted"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60369ef7a31de49bcb3f6ca728d4ba7300d9a1658f94c727d4cab8c8d9f4aece"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
 
 [[package]]
 name = "url"
@@ -6213,21 +6417,21 @@
 
 [[package]]
 name = "vcpkg"
-version = "0.2.8"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fc439f2794e98976c88a2a2dafce96b930fe8010b0a256b3c2199a773933168"
+checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
 
 [[package]]
 name = "vec_map"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "version_check"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
+checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
 [[package]]
 name = "void"
@@ -6264,9 +6468,9 @@
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.60"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cc57ce05287f8376e998cbddfb4c8cb43b84a7ec55cf4551d7c00eef317a47f"
+checksum = "6a634620115e4a229108b71bde263bb4220c483b3f07f5ba514ee8d15064c4c2"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -6274,24 +6478,24 @@
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.60"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d967d37bf6c16cca2973ca3af071d0a2523392e4a594548155d89a678f4237cd"
+checksum = "3e53963b583d18a5aa3aaae4b4c1cb535218246131ba22a71f05b518098571df"
 dependencies = [
  "bumpalo",
  "lazy_static",
  "log",
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.10"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7add542ea1ac7fdaa9dc25e031a6af33b7d63376292bd24140c637d00d1c312a"
+checksum = "dba48d66049d2a6cc8488702e7259ab7afc9043ad0dc5448444f46f2a453b362"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -6301,32 +6505,32 @@
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.60"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8bd151b63e1ea881bb742cd20e1d6127cef28399558f3b5d415289bc41eee3a4"
+checksum = "3fcfd5ef6eec85623b4c6e844293d4516470d8f19cd72d0d12246017eb9060b8"
 dependencies = [
- "quote 1.0.3",
+ "quote 1.0.7",
  "wasm-bindgen-macro-support",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.60"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d68a5b36eef1be7868f668632863292e37739656a80fc4b9acec7b0bd35a4931"
+checksum = "9adff9ee0e94b926ca81b57f57f86d5545cdcb1d259e21ec9bdd95b901754c75"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.60"
+version = "0.2.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "daf76fe7d25ac79748a37538b7daeed1c7a6867c92d3245c12c6222e4a20d639"
+checksum = "7f7b90ea6c632dd06fd765d44542e234d5e63d9bb917ecd64d79778a13bd79ae"
 
 [[package]]
 name = "wasm-timer"
@@ -6334,7 +6538,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "324c5e65a08699c9c4334ba136597ab22b85dccd4b65dd1e36ccf8f723a95b54"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "js-sys",
  "parking_lot 0.9.0",
  "pin-utils",
@@ -6353,7 +6557,7 @@
  "libc",
  "memory_units",
  "num-rational",
- "num-traits 0.2.11",
+ "num-traits 0.2.12",
  "parity-wasm",
  "wasmi-validation",
 ]
@@ -6369,9 +6573,9 @@
 
 [[package]]
 name = "web-sys"
-version = "0.3.37"
+version = "0.3.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d6f51648d8c56c366144378a33290049eafdd784071077f6fe37dae64c1c4cb"
+checksum = "863539788676619aac1a23e2df3655e96b32b0e05eb72ca34ba045ad573c625d"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -6379,9 +6583,9 @@
 
 [[package]]
 name = "webpki"
-version = "0.21.2"
+version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1f50e1972865d6b1adb54167d1c8ed48606004c2c9d0ea5f1eeb34d95e863ef"
+checksum = "ab146130f5f790d45f82aeeb09e55a256573373ec64409fc19a6fb82fb1032ae"
 dependencies = [
  "ring",
  "untrusted",
@@ -6422,9 +6626,9 @@
 
 [[package]]
 name = "winapi"
-version = "0.3.8"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 dependencies = [
  "winapi-i686-pc-windows-gnu",
  "winapi-x86_64-pc-windows-gnu",
@@ -6444,11 +6648,11 @@
 
 [[package]]
 name = "winapi-util"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa515c5163a99cc82bab70fd3bfdd36d827be85de63737b40fcef2ce084a436e"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
- "winapi 0.3.8",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -6497,18 +6701,12 @@
 ]
 
 [[package]]
-name = "xdg"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
-
-[[package]]
 name = "yamux"
-version = "0.4.5"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84300bb493cc878f3638b981c62b4632ec1a5c52daaa3036651e8c106d3b55ea"
+checksum = "cd37e58a1256a0b328ce9c67d8b62ecdd02f4803ba443df478835cb1a41a637c"
 dependencies = [
- "futures 0.3.4",
+ "futures 0.3.5",
  "log",
  "nohash-hasher",
  "parking_lot 0.10.2",
@@ -6532,7 +6730,7 @@
 checksum = "de251eec69fc7c1bc3923403d18ececb929380e016afe103da75f396704f8ca2"
 dependencies = [
  "proc-macro2",
- "quote 1.0.3",
- "syn 1.0.17",
+ "quote 1.0.7",
+ "syn 1.0.34",
  "synstructure",
 ]

--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -1,13 +1,21 @@
+[build-dependencies.substrate-build-script-utils]
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
+
+[[bin]]
+name = 'nft'
+
 [package]
-authors = ['Anonymous']
+authors = ['Substrate DevHub <https://github.com/substrate-developer-hub>']
 build = 'build.rs'
-description = 'Substrate Node nft'
+description = 'Substrate node nft'
 edition = '2018'
-homepage = 'https://substrate.dev'
+homepage = 'https://substrate.io'
 license = 'Unlicense'
 name = 'nft'
-repository = 'https://github.com/paritytech/substrate/'
-version = '2.0.0-alpha.6'
+repository = 'https://github.com/substrate-developer-hub/nft/'
+version = '2.0.0-rc3'
 
 [package.metadata.docs.rs]
 targets = ['x86_64-unknown-linux-gnu']
@@ -15,71 +23,104 @@
 [dependencies]
 futures = '0.3.4'
 log = '0.4.8'
+parking_lot = '0.10.0'
 structopt = '0.3.8'
 jsonrpc-core = '14.0.5'
-
-[dependencies.pallet-contracts-rpc]
-version = '0.8.0-alpha.6'
 
-[dependencies.sc-rpc]
-version = '2.0.0-alpha.6'
-
 [dependencies.nft-runtime]
 path = '../runtime'
-version = '2.0.0-alpha.6'
+version = '2.0.0-rc3'
 
 [dependencies.sc-basic-authorship]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sc-cli]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
+
+[dependencies.sc-client-api]
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
+
+[dependencies.sc-consensus]
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
-[dependencies.sc-client]
-version = '0.8.0-alpha.6'
+[dependencies.pallet-contracts-rpc]
+git = 'https://github.com/paritytech/substrate.git'
+version = '0.8.0-rc3'
+tag = 'v2.0.0-rc3'
 
-[dependencies.sc-client-api]
-version = '2.0.0-alpha.6'
+[dependencies.sc-rpc]
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
 
 [dependencies.sc-consensus-aura]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sc-executor]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sc-finality-grandpa]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sc-network]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sc-service]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sc-transaction-pool]
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-consensus]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sp-consensus-aura]
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sp-core]
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-finality-grandpa]
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-inherents]
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-runtime]
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-transaction-pool]
-version = '2.0.0-alpha.6'
-[build-dependencies.substrate-build-script-utils]
-version = '2.0.0-alpha.6'
-
-[[bin]]
-name = 'nft'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'

--- a/node/build.rs
+++ b/node/build.rs
@@ -1,7 +1,7 @@
 use substrate_build_script_utils::{generate_cargo_keys, rerun_if_git_head_changed};
 
 fn main() {
-	generate_cargo_keys();
+    generate_cargo_keys();
 
-	rerun_if_git_head_changed();
+    rerun_if_git_head_changed();
 }

1use sp_core::{Pair, Public, sr25519};
2use nft_runtime::{1use nft_runtime::{
3	AccountId, AuraConfig, BalancesConfig, GenesisConfig, GrandpaConfig,2    AccountId, AuraConfig, BalancesConfig, GenesisConfig, GrandpaConfig, Signature, SudoConfig,
4	SudoConfig, SystemConfig, WASM_BINARY, Signature3    SystemConfig, WASM_BINARY,
5};4};
5use nft_runtime::{ContractsConfig, ContractsSchedule};
6use sc_service::ChainType;
6use sp_consensus_aura::sr25519::AuthorityId as AuraId;7use sp_consensus_aura::sr25519::AuthorityId as AuraId;
8use sp_core::{sr25519, Pair, Public};
7use sp_finality_grandpa::AuthorityId as GrandpaId;9use sp_finality_grandpa::AuthorityId as GrandpaId;
8use sp_runtime::traits::{Verify, IdentifyAccount};10use sp_runtime::traits::{IdentifyAccount, Verify};
9use sc_service::ChainType;
10use nft_runtime::{ContractsConfig, ContractsSchedule};
1111
12// Note this is the URL for the telemetry server12// Note this is the URL for the telemetry server
13//const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";13//const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
27/// Helper function to generate an account ID from seed27/// Helper function to generate an account ID from seed
28pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId where28pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId
29where
29	AccountPublic: From<<TPublic::Pair as Pair>::Public>30    AccountPublic: From<<TPublic::Pair as Pair>::Public>,
30{31{
31	AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()32    AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
32}33}
3334
34/// Helper function to generate an authority key for Aura35/// Helper function to generate an authority key for Aura
35pub fn authority_keys_from_seed(s: &str) -> (AuraId, GrandpaId) {36pub fn authority_keys_from_seed(s: &str) -> (AuraId, GrandpaId) {
36	(37    (get_from_seed::<AuraId>(s), get_from_seed::<GrandpaId>(s))
37		get_from_seed::<AuraId>(s),
38		get_from_seed::<GrandpaId>(s),
39	)
40}38}
4139
44		"Development",42        "Development",
45		"dev",43        "dev",
46		ChainType::Development,44        ChainType::Development,
47		|| testnet_genesis(45        || {
46            testnet_genesis(
48			vec![47                vec![authority_keys_from_seed("Alice")],
49				authority_keys_from_seed("Alice"),
57			],54                ],
58			true,55                true,
59		),56            )
57        },
60		vec![],58        vec![],
61		None,59        None,
62		None,60        None,
70		"Local Testnet",68        "Local Testnet",
71		"local_testnet",69        "local_testnet",
72		ChainType::Local,70        ChainType::Local,
73		|| testnet_genesis(71        || {
72            testnet_genesis(
74			vec![73                vec![
75				authority_keys_from_seed("Alice"),74                    authority_keys_from_seed("Alice"),
92			],91                ],
93			true,92                true,
94		),93            )
94        },
95		vec![],95        vec![],
96		None,96        None,
97		None,97        None,
128                .collect(),
121		}),129        }),
122		sudo: Some(SudoConfig {130        sudo: Some(SudoConfig { key: root_key }),
123			key: root_key,
124		}),
125		contracts: Some(ContractsConfig {131        contracts: Some(ContractsConfig {
126			gas_price: 1_000,
127            current_schedule: ContractsSchedule {132            current_schedule: ContractsSchedule {
128            		// enable_println,133                // enable_println,
129                    ..Default::default()134                ..Default::default()

--- a/node/src/command.rs
+++ b/node/src/command.rs
@@ -1,24 +1,24 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
 // This file is part of Substrate.
 
-// Substrate is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// Copyright (C) 2017-2020 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
 
-// Substrate is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 use crate::chain_spec;
 use crate::cli::Cli;
 use crate::service;
 use sc_cli::SubstrateCli;
-use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
 
 impl SubstrateCli for Cli {
 	fn impl_name() -> &'static str {
@@ -78,4 +78,4 @@
 			)
 		}
 	}
-}
+}
\ No newline at end of file

--- a/node/src/service.rs
+++ b/node/src/service.rs
@@ -1,22 +1,25 @@
 //! Service and ServiceFactory implementation. Specialized wrapper over substrate service.
 
-use std::sync::Arc;
-use std::time::Duration;
-use sc_client::LongestChain;
-use sc_client_api::ExecutorProvider;
 use nft_runtime::{self, opaque::Block, RuntimeApi};
-use sc_service::{error::{Error as ServiceError}, AbstractService, Configuration, ServiceBuilder};
-use sp_inherents::InherentDataProviders;
+use sc_client_api::ExecutorProvider;
+use sc_consensus::LongestChain;
 use sc_executor::native_executor_instance;
 pub use sc_executor::NativeExecutor;
-use sp_consensus_aura::sr25519::{AuthorityPair as AuraPair};
-use sc_finality_grandpa::{self, FinalityProofProvider as GrandpaFinalityProofProvider, StorageAndProofProvider};
+use sc_finality_grandpa::{
+    FinalityProofProvider as GrandpaFinalityProofProvider, SharedVoterState,
+    StorageAndProofProvider,
+};
+use sc_service::{error::Error as ServiceError, AbstractService, Configuration, ServiceBuilder};
+use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
+use sp_inherents::InherentDataProviders;
+use std::sync::Arc;
+use std::time::Duration;
 
 // Our native executor instance.
 native_executor_instance!(
-	pub Executor,
-	nft_runtime::api::dispatch,
-	nft_runtime::native_version,
+    pub Executor,
+    nft_runtime::api::dispatch,
+    nft_runtime::native_version,
 );
 
 /// Starts a `ServiceBuilder` for a full service.
@@ -24,213 +27,246 @@
 /// Use this macro if you don't actually need the full service, but just the builder in order to
 /// be able to perform chain operations.
 macro_rules! new_full_start {
-	($config:expr) => {{
-		use jsonrpc_core::IoHandler;
-		use std::sync::Arc;
-		let mut import_setup = None;
-		let inherent_data_providers = sp_inherents::InherentDataProviders::new();
+    ($config:expr) => {{
+        use jsonrpc_core::IoHandler;
+        use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
+        use std::sync::Arc;
 
-		let builder = sc_service::ServiceBuilder::new_full::<
-			nft_runtime::opaque::Block, nft_runtime::RuntimeApi, crate::service::Executor
-		>($config)?
-			.with_select_chain(|_config, backend| {
-				Ok(sc_client::LongestChain::new(backend.clone()))
-			})?
-			.with_transaction_pool(|config, client, _fetcher| {
-				let pool_api = sc_transaction_pool::FullChainApi::new(client.clone());
-				Ok(sc_transaction_pool::BasicPool::new(config, std::sync::Arc::new(pool_api)))
-			})?
-			.with_import_queue(|_config, client, mut select_chain, _transaction_pool| {
-				let select_chain = select_chain.take()
-					.ok_or_else(|| sc_service::Error::SelectChainRequired)?;
+        let mut import_setup = None;
+        let inherent_data_providers = sp_inherents::InherentDataProviders::new();
 
-				let (grandpa_block_import, grandpa_link) =
-					sc_finality_grandpa::block_import(client.clone(), &(client.clone() as Arc<_>), select_chain)?;
+        let builder = sc_service::ServiceBuilder::new_full::<
+            nft_runtime::opaque::Block,
+            nft_runtime::RuntimeApi,
+            crate::service::Executor,
+        >($config)?
+        .with_select_chain(|_config, backend| Ok(sc_consensus::LongestChain::new(backend.clone())))?
+        .with_transaction_pool(|builder| {
+            let pool_api = sc_transaction_pool::FullChainApi::new(builder.client().clone());
+            Ok(sc_transaction_pool::BasicPool::new(
+                builder.config().transaction_pool.clone(),
+                std::sync::Arc::new(pool_api),
+                builder.prometheus_registry(),
+            ))
+        })?
+        .with_import_queue(
+            |_config, client, mut select_chain, _transaction_pool, spawn_task_handle, registry| {
+                let select_chain = select_chain
+                    .take()
+                    .ok_or_else(|| sc_service::Error::SelectChainRequired)?;
 
-				let aura_block_import = sc_consensus_aura::AuraBlockImport::<_, _, _, AuraPair>::new(
-					grandpa_block_import.clone(), client.clone(),
-				);
+                let (grandpa_block_import, grandpa_link) = sc_finality_grandpa::block_import(
+                    client.clone(),
+                    &(client.clone() as Arc<_>),
+                    select_chain,
+                )?;
 
-				let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair>(
-					sc_consensus_aura::slot_duration(&*client)?,
-					aura_block_import,
-					Some(Box::new(grandpa_block_import.clone())),
-					None,
-					client,
-					inherent_data_providers.clone(),
-				)?;
+                let aura_block_import =
+                    sc_consensus_aura::AuraBlockImport::<_, _, _, AuraPair>::new(
+                        grandpa_block_import.clone(),
+                        client.clone(),
+                    );
 
-				import_setup = Some((grandpa_block_import, grandpa_link));
+                let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair, _>(
+                    sc_consensus_aura::slot_duration(&*client)?,
+                    aura_block_import,
+                    Some(Box::new(grandpa_block_import.clone())),
+                    None,
+                    client,
+                    inherent_data_providers.clone(),
+                    spawn_task_handle,
+                    registry,
+                )?;
 
-				Ok(import_queue)
-			})?
-			.with_rpc_extensions(|builder| -> Result<IoHandler<sc_rpc::Metadata>, _> {
-                let handler = pallet_contracts_rpc::Contracts::new(builder.client().clone());
-                let delegate = pallet_contracts_rpc::ContractsApi::to_delegate(handler);
+                import_setup = Some((grandpa_block_import, grandpa_link));
 
-                let mut io = IoHandler::default();
-                io.extend_with(delegate);
-                Ok(io)
-            })?;
+                Ok(import_queue)
+            },
+        )?
+        .with_rpc_extensions(|builder| -> Result<IoHandler<sc_rpc::Metadata>, _> {
+            let handler = pallet_contracts_rpc::Contracts::new(builder.client().clone());
+            let delegate = pallet_contracts_rpc::ContractsApi::to_delegate(handler);
+
+            let mut io = IoHandler::default();
+            io.extend_with(delegate);
+            Ok(io)
+        })?;
 
-		(builder, import_setup, inherent_data_providers)
-	}}
+        (builder, import_setup, inherent_data_providers)
+    }};
 }
 
 /// Builds a new service for a full client.
-pub fn new_full(config: Configuration)
-	-> Result<impl AbstractService, ServiceError>
-{
-	let role = config.role.clone();
-	let force_authoring = config.force_authoring;
-	let name = config.network.node_name.clone();
-	let disable_grandpa = config.disable_grandpa;
+pub fn new_full(config: Configuration) -> Result<impl AbstractService, ServiceError> {
+    let role = config.role.clone();
+    let force_authoring = config.force_authoring;
+    let name = config.network.node_name.clone();
+    let disable_grandpa = config.disable_grandpa;
 
-	let (builder, mut import_setup, inherent_data_providers) = new_full_start!(config);
+    let (builder, mut import_setup, inherent_data_providers) = new_full_start!(config);
 
-	let (block_import, grandpa_link) =
-		import_setup.take()
-			.expect("Link Half and Block Import are present for Full Services or setup failed before. qed");
+    let (block_import, grandpa_link) = import_setup.take().expect(
+        "Link Half and Block Import are present for Full Services or setup failed before. qed",
+    );
 
-	let service = builder
-		.with_finality_proof_provider(|client, backend| {
-			// GenesisAuthoritySetProvider is implemented for StorageAndProofProvider
-			let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
-			Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
-		})?
-		.build()?;
+    let service = builder
+        .with_finality_proof_provider(|client, backend| {
+            // GenesisAuthoritySetProvider is implemented for StorageAndProofProvider
+            let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
+            Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
+        })?
+        .build()?;
 
-	if role.is_authority() {
-		let proposer =
-			sc_basic_authorship::ProposerFactory::new(service.client(), service.transaction_pool());
+    if role.is_authority() {
+        let proposer = sc_basic_authorship::ProposerFactory::new(
+            service.client(),
+            service.transaction_pool(),
+            service.prometheus_registry().as_ref(),
+        );
 
-		let client = service.client();
-		let select_chain = service.select_chain()
-			.ok_or(ServiceError::SelectChainRequired)?;
+        let client = service.client();
+        let select_chain = service
+            .select_chain()
+            .ok_or(ServiceError::SelectChainRequired)?;
 
-		let can_author_with =
-			sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone());
+        let can_author_with =
+            sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone());
 
-		let aura = sc_consensus_aura::start_aura::<_, _, _, _, _, AuraPair, _, _, _>(
-			sc_consensus_aura::slot_duration(&*client)?,
-			client,
-			select_chain,
-			block_import,
-			proposer,
-			service.network(),
-			inherent_data_providers.clone(),
-			force_authoring,
-			service.keystore(),
-			can_author_with,
-		)?;
+        let aura = sc_consensus_aura::start_aura::<_, _, _, _, _, AuraPair, _, _, _>(
+            sc_consensus_aura::slot_duration(&*client)?,
+            client,
+            select_chain,
+            block_import,
+            proposer,
+            service.network(),
+            inherent_data_providers.clone(),
+            force_authoring,
+            service.keystore(),
+            can_author_with,
+        )?;
 
-		// the AURA authoring task is considered essential, i.e. if it
-		// fails we take down the service with it.
-		service.spawn_essential_task("aura", aura);
-	}
+        // the AURA authoring task is considered essential, i.e. if it
+        // fails we take down the service with it.
+        service.spawn_essential_task("aura", aura);
+    }
 
-	// if the node isn't actively participating in consensus then it doesn't
-	// need a keystore, regardless of which protocol we use below.
-	let keystore = if role.is_authority() {
-		Some(service.keystore())
-	} else {
-		None
-	};
+    // if the node isn't actively participating in consensus then it doesn't
+    // need a keystore, regardless of which protocol we use below.
+    let keystore = if role.is_authority() {
+        Some(service.keystore())
+    } else {
+        None
+    };
 
-	let grandpa_config = sc_finality_grandpa::Config {
-		// FIXME #1578 make this available through chainspec
-		gossip_duration: Duration::from_millis(333),
-		justification_period: 512,
-		name: Some(name),
-		observer_enabled: false,
-		keystore,
-		is_authority: role.is_network_authority(),
-	};
+    let grandpa_config = sc_finality_grandpa::Config {
+        // FIXME #1578 make this available through chainspec
+        gossip_duration: Duration::from_millis(333),
+        justification_period: 512,
+        name: Some(name),
+        observer_enabled: false,
+        keystore,
+        is_authority: role.is_network_authority(),
+    };
 
-	let enable_grandpa = !disable_grandpa;
-	if enable_grandpa {
-		// start the full GRANDPA voter
-		// NOTE: non-authorities could run the GRANDPA observer protocol, but at
-		// this point the full voter should provide better guarantees of block
-		// and vote data availability than the observer. The observer has not
-		// been tested extensively yet and having most nodes in a network run it
-		// could lead to finality stalls.
-		let grandpa_config = sc_finality_grandpa::GrandpaParams {
-			config: grandpa_config,
-			link: grandpa_link,
-			network: service.network(),
-			inherent_data_providers: inherent_data_providers.clone(),
-			telemetry_on_connect: Some(service.telemetry_on_connect_stream()),
-			voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),
-			prometheus_registry: service.prometheus_registry()
-		};
+    let enable_grandpa = !disable_grandpa;
+    if enable_grandpa {
+        // start the full GRANDPA voter
+        // NOTE: non-authorities could run the GRANDPA observer protocol, but at
+        // this point the full voter should provide better guarantees of block
+        // and vote data availability than the observer. The observer has not
+        // been tested extensively yet and having most nodes in a network run it
+        // could lead to finality stalls.
+        let grandpa_config = sc_finality_grandpa::GrandpaParams {
+            config: grandpa_config,
+            link: grandpa_link,
+            network: service.network(),
+            inherent_data_providers: inherent_data_providers.clone(),
+            telemetry_on_connect: Some(service.telemetry_on_connect_stream()),
+            voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),
+            prometheus_registry: service.prometheus_registry(),
+            shared_voter_state: SharedVoterState::empty(),
+        };
 
-		// the GRANDPA voter task is considered infallible, i.e.
-		// if it fails we take down the service with it.
-		service.spawn_essential_task(
-			"grandpa-voter",
-			sc_finality_grandpa::run_grandpa_voter(grandpa_config)?
-		);
-	} else {
-		sc_finality_grandpa::setup_disabled_grandpa(
-			service.client(),
-			&inherent_data_providers,
-			service.network(),
-		)?;
-	}
+        // the GRANDPA voter task is considered infallible, i.e.
+        // if it fails we take down the service with it.
+        service.spawn_essential_task(
+            "grandpa-voter",
+            sc_finality_grandpa::run_grandpa_voter(grandpa_config)?,
+        );
+    } else {
+        sc_finality_grandpa::setup_disabled_grandpa(
+            service.client(),
+            &inherent_data_providers,
+            service.network(),
+        )?;
+    }
 
-	Ok(service)
+    Ok(service)
 }
 
 /// Builds a new service for a light client.
-pub fn new_light(config: Configuration)
-	-> Result<impl AbstractService, ServiceError>
-{
-	let inherent_data_providers = InherentDataProviders::new();
+pub fn new_light(config: Configuration) -> Result<impl AbstractService, ServiceError> {
+    let inherent_data_providers = InherentDataProviders::new();
 
-	ServiceBuilder::new_light::<Block, RuntimeApi, Executor>(config)?
-		.with_select_chain(|_config, backend| {
-			Ok(LongestChain::new(backend.clone()))
-		})?
-		.with_transaction_pool(|config, client, fetcher| {
-			let fetcher = fetcher
-				.ok_or_else(|| "Trying to start light transaction pool without active fetcher")?;
+    ServiceBuilder::new_light::<Block, RuntimeApi, Executor>(config)?
+        .with_select_chain(|_config, backend| Ok(LongestChain::new(backend.clone())))?
+        .with_transaction_pool(|builder| {
+            let fetcher = builder
+                .fetcher()
+                .ok_or_else(|| "Trying to start light transaction pool without active fetcher")?;
 
-			let pool_api = sc_transaction_pool::LightChainApi::new(client.clone(), fetcher.clone());
-			let pool = sc_transaction_pool::BasicPool::with_revalidation_type(
-				config, Arc::new(pool_api), sc_transaction_pool::RevalidationType::Light,
-			);
-			Ok(pool)
-		})?
-		.with_import_queue_and_fprb(|_config, client, backend, fetcher, _select_chain, _tx_pool| {
-			let fetch_checker = fetcher
-				.map(|fetcher| fetcher.checker().clone())
-				.ok_or_else(|| "Trying to start light import queue without active fetch checker")?;
-			let grandpa_block_import = sc_finality_grandpa::light_block_import(
-				client.clone(),
-				backend,
-				&(client.clone() as Arc<_>),
-				Arc::new(fetch_checker),
-			)?;
-			let finality_proof_import = grandpa_block_import.clone();
-			let finality_proof_request_builder =
-				finality_proof_import.create_finality_proof_request_builder();
+            let pool_api =
+                sc_transaction_pool::LightChainApi::new(builder.client().clone(), fetcher.clone());
+            let pool = sc_transaction_pool::BasicPool::with_revalidation_type(
+                builder.config().transaction_pool.clone(),
+                Arc::new(pool_api),
+                builder.prometheus_registry(),
+                sc_transaction_pool::RevalidationType::Light,
+            );
+            Ok(pool)
+        })?
+        .with_import_queue_and_fprb(
+            |_config,
+             client,
+             backend,
+             fetcher,
+             _select_chain,
+             _tx_pool,
+             spawn_task_handle,
+             prometheus_registry| {
+                let fetch_checker = fetcher
+                    .map(|fetcher| fetcher.checker().clone())
+                    .ok_or_else(|| {
+                        "Trying to start light import queue without active fetch checker"
+                    })?;
+                let grandpa_block_import = sc_finality_grandpa::light_block_import(
+                    client.clone(),
+                    backend,
+                    &(client.clone() as Arc<_>),
+                    Arc::new(fetch_checker),
+                )?;
+                let finality_proof_import = grandpa_block_import.clone();
+                let finality_proof_request_builder =
+                    finality_proof_import.create_finality_proof_request_builder();
 
-			let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair>(
-				sc_consensus_aura::slot_duration(&*client)?,
-				grandpa_block_import,
-				None,
-				Some(Box::new(finality_proof_import)),
-				client,
-				inherent_data_providers.clone(),
-			)?;
+                let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair, _>(
+                    sc_consensus_aura::slot_duration(&*client)?,
+                    grandpa_block_import,
+                    None,
+                    Some(Box::new(finality_proof_import)),
+                    client,
+                    inherent_data_providers.clone(),
+                    spawn_task_handle,
+                    prometheus_registry,
+                )?;
 
-			Ok((import_queue, finality_proof_request_builder))
-		})?
-		.with_finality_proof_provider(|client, backend| {
-			// GenesisAuthoritySetProvider is implemented for StorageAndProofProvider
-			let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
-			Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
-		})?
-		.build()
+                Ok((import_queue, finality_proof_request_builder))
+            },
+        )?
+        .with_finality_proof_provider(|client, backend| {
+            // GenesisAuthoritySetProvider is implemented for StorageAndProofProvider
+            let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
+            Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
+        })?
+        .build()
 }

--- a/pallets/nft/Cargo.toml
+++ b/pallets/nft/Cargo.toml
@@ -1,52 +1,55 @@
-[package]
-authors = ['Anonymous']
-description = 'FRAME pallet nft'
-edition = '2018'
-homepage = 'https://substrate.dev'
-license = 'Unlicense'
-name = 'pallet-nft'
-repository = 'https://github.com/paritytech/substrate/'
-version = '2.0.0-alpha.6'
-
-[package.metadata.docs.rs]
-targets = ['x86_64-unknown-linux-gnu']
-
 [dependencies.codec]
 default-features = false
 features = ['derive']
 package = 'parity-scale-codec'
 version = '1.3.0'
-
-[dependencies.sp-std]
-default-features = false
-version = '2.0.0-alpha.6'
-
-[dependencies.sp-runtime]
-default-features = false
-version = '2.0.0-alpha.6'
 
 [dependencies.frame-support]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.frame-system]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 [dev-dependencies.sp-core]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dev-dependencies.sp-io]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
+[dependencies.sp-runtime]
+default-features = false
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
+
+[package]
+authors = ['Substrate DevHub <https://github.com/substrate-developer-hub>']
+description = 'FRAME pallet nft'
+edition = '2018'
+homepage = 'https://substrate.io'
+license = 'Unlicense'
+name = 'pallet-nft'
+repository = 'https://github.com/substrate-developer-hub/nft/'
+version = '2.0.0-rc3'
+[package.metadata.docs.rs]
+targets = ['x86_64-unknown-linux-gnu']
+
 [features]
 default = ['std']
 std = [
     'codec/std',
     'frame-support/std',
     'frame-system/std',
-    "sp-io/std",
-    "sp-runtime/std",
-    'sp-std/std',
+    'sp-runtime/std',
 ]

--- a/pallets/nft/src/lib.rs
+++ b/pallets/nft/src/lib.rs
@@ -24,7 +24,7 @@
 pub struct CollectionType<AccountId> {
     pub owner: AccountId,
     pub next_item_id: u64,
-    pub name: Vec<u16>, // 64 include null escape char
+    pub name: Vec<u16>,        // 64 include null escape char
     pub description: Vec<u16>, // 256 include null escape char
     pub token_prefix: Vec<u8>, // 16 include null escape char
     pub custom_data_size: u32,
@@ -109,17 +109,17 @@
         //
         // @param customDataSz size of custom data in each collection item
         // returns collection ID
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
-        pub fn create_collection(   origin, 
-                                    collection_name: Vec<u16>, 
-                                    collection_description: Vec<u16>, 
-                                    token_prefix: Vec<u8>, 
+        #[weight = 0]
+        pub fn create_collection(   origin,
+                                    collection_name: Vec<u16>,
+                                    collection_description: Vec<u16>,
+                                    token_prefix: Vec<u8>,
                                     custom_data_sz: u32) -> DispatchResult {
 
             // Anyone can create a collection
             let who = ensure_signed(origin)?;
 
-            // check params 
+            // check params
             let mut name = collection_name.to_vec();
             name.push(0);
             ensure!(name.len() <= 64, "Collection name can not be longer than 63 char");
@@ -158,7 +158,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn destroy_collection(origin, collection_id: u64) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -171,7 +171,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn change_collection_owner(origin, collection_id: u64, new_owner: T::AccountId) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -186,7 +186,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn add_collection_admin(origin, collection_id: u64, new_admin_id: T::AccountId) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -217,7 +217,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn remove_collection_admin(origin, collection_id: u64, account_id: T::AccountId) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -245,7 +245,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn create_item(origin, collection_id: u64, properties: Vec<u8>) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -290,7 +290,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn burn_item(origin, collection_id: u64, item_id: u64) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -327,7 +327,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn transfer(origin, collection_id: u64, item_id: u64, new_owner: T::AccountId) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -374,7 +374,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn approve(origin, approved: T::AccountId, collection_id: u64, item_id: u64) -> DispatchResult {
 
             let sender = ensure_signed(origin)?;
@@ -417,7 +417,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn transfer_from(origin, collection_id: u64, item_id: u64, new_owner: T::AccountId) -> DispatchResult {
 
             let no_perm_mes = "You do not have permissions to modify this collection";
@@ -430,7 +430,7 @@
             Ok(())
         }
 
-        #[weight = frame_support::weights::SimpleDispatchInfo::default()]
+        #[weight = 0]
         pub fn safe_transfer_from(origin, collection_id: u64, item_id: u64, new_owner: T::AccountId) -> DispatchResult {
 
             let no_perm_mes = "You do not have permissions to modify this collection";
@@ -447,13 +447,10 @@
     }
 }
 
-
 impl<T: Trait> Module<T> {
     fn add_token_index(collection_id: u64, item_index: u64, owner: T::AccountId) -> DispatchResult {
-        
         let list_exists = <AddressTokens<T>>::contains_key((collection_id, owner.clone()));
         if list_exists {
-
             let mut list = <AddressTokens<T>>::get((collection_id, owner.clone()));
             let item_contains = list.contains(&item_index.clone());
 
@@ -462,9 +459,7 @@
             }
 
             <AddressTokens<T>>::insert((collection_id, owner.clone()), list);
-
         } else {
-
             let mut itm = Vec::new();
             itm.push(item_index.clone());
             <AddressTokens<T>>::insert((collection_id, owner), itm);
@@ -473,11 +468,13 @@
         Ok(())
     }
 
-    fn remove_token_index(collection_id: u64, item_index: u64, owner: T::AccountId) -> DispatchResult {
-        
+    fn remove_token_index(
+        collection_id: u64,
+        item_index: u64,
+        owner: T::AccountId,
+    ) -> DispatchResult {
         let list_exists = <AddressTokens<T>>::contains_key((collection_id, owner.clone()));
         if list_exists {
-
             let mut list = <AddressTokens<T>>::get((collection_id, owner.clone()));
             let item_contains = list.contains(&item_index.clone());
 
@@ -490,11 +487,15 @@
         Ok(())
     }
 
-    fn move_token_index(collection_id: u64, item_index: u64, old_owner: T::AccountId, new_owner: T::AccountId) -> DispatchResult {
-        
+    fn move_token_index(
+        collection_id: u64,
+        item_index: u64,
+        old_owner: T::AccountId,
+        new_owner: T::AccountId,
+    ) -> DispatchResult {
         Self::remove_token_index(collection_id, item_index, old_owner)?;
         Self::add_token_index(collection_id, item_index, new_owner)?;
-        
+
         Ok(())
     }
-}
\ No newline at end of file
+}

--- a/pallets/nft/src/tests.rs
+++ b/pallets/nft/src/tests.rs
@@ -5,14 +5,19 @@
 #[test]
 fn create_collection_test() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
 
         let size = 1024;
         let origin1 = Origin::signed(1);
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
         assert_eq!(TemplateModule::collection(1).owner, 1);
     });
 }
@@ -20,7 +25,6 @@
 #[test]
 fn change_collection_owner() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -28,7 +32,13 @@
         let size = 1024;
         let origin1 = Origin::signed(1);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
         assert_ok!(TemplateModule::change_collection_owner(
             origin1.clone(),
             1,
@@ -41,7 +51,6 @@
 #[test]
 fn destroy_collection() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -49,7 +58,13 @@
         let size = 1024;
         let origin1 = Origin::signed(1);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
         assert_ok!(TemplateModule::destroy_collection(origin1.clone(), 1));
     });
 }
@@ -57,7 +72,6 @@
 #[test]
 fn create_item() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -66,7 +80,13 @@
         let origin1 = Origin::signed(1);
         let origin2 = Origin::signed(2);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
         assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), 1, 2));
         assert_ok!(TemplateModule::create_item(
             origin2.clone(),
@@ -82,7 +102,6 @@
 #[test]
 fn burn_item() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -91,7 +110,13 @@
         let origin1 = Origin::signed(1);
         let origin2 = Origin::signed(2);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
         assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), 1, 2));
         assert_ok!(TemplateModule::create_item(
             origin2.clone(),
@@ -116,7 +141,6 @@
 #[test]
 fn add_collection_admin() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -126,9 +150,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -146,7 +188,6 @@
 #[test]
 fn remove_collection_admin() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -156,9 +197,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -184,7 +243,6 @@
 #[test]
 fn balance_of() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -194,9 +252,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -221,7 +297,6 @@
 #[test]
 fn transfer() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -231,9 +306,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -259,7 +352,6 @@
 #[test]
 fn approve() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -269,9 +361,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -293,7 +403,6 @@
 #[test]
 fn get_approved() {
     new_test_ext().execute_with(|| {
-        
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -303,9 +412,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -327,7 +454,6 @@
 #[test]
 fn transfer_from() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -337,9 +463,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -361,7 +505,6 @@
 #[test]
 fn index_list() {
     new_test_ext().execute_with(|| {
-
         let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
         let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
         let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
@@ -371,9 +514,27 @@
         let origin2 = Origin::signed(2);
         let origin3 = Origin::signed(3);
 
-        assert_ok!(TemplateModule::create_collection(origin1.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin2.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
-        assert_ok!(TemplateModule::create_collection(origin3.clone(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), size));
+        assert_ok!(TemplateModule::create_collection(
+            origin1.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin2.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
+        assert_ok!(TemplateModule::create_collection(
+            origin3.clone(),
+            col_name1.clone(),
+            col_desc1.clone(),
+            token_prefix1.clone(),
+            size
+        ));
 
         assert_eq!(TemplateModule::collection(1).owner, 1);
         assert_eq!(TemplateModule::collection(2).owner, 2);
@@ -403,4 +564,3 @@
         assert_eq!(TemplateModule::address_tokens((1, 1))[0], 1);
     });
 }
-

--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -1,12 +1,16 @@
 [dependencies.aura]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-aura'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.balances]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-balances'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.codec]
 default-features = false
@@ -15,37 +19,51 @@
 version = '1.3.0'
 
 [dependencies.contracts]
+git = 'https://github.com/paritytech/substrate.git'
 default-features = false
 package = 'pallet-contracts'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.contracts-primitives]
+git = 'https://github.com/paritytech/substrate.git'
 default-features = false
 package = 'pallet-contracts-primitives'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.contracts-rpc-runtime-api]
+git = 'https://github.com/paritytech/substrate.git'
 default-features = false
 package = 'pallet-contracts-rpc-runtime-api'
-version = '0.8.0-alpha.6'
+version = '0.8.0-rc3'
+tag = 'v2.0.0-rc3'
 
 [dependencies.frame-executive]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.frame-support]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.grandpa]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-grandpa'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.randomness-collective-flip]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-randomness-collective-flip'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.serde]
 features = ['derive']
@@ -54,91 +72,123 @@
 
 [dependencies.sp-api]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-block-builder]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-consensus-aura]
 default-features = false
-version = '0.8.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '0.8.0-rc3'
 
 [dependencies.sp-core]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-inherents]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-io]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-offchain]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-runtime]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-session]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-std]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-transaction-pool]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sp-version]
 default-features = false
-version = '2.0.0-alpha.6'
+git = 'https://github.com/paritytech/substrate.git'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.sudo]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-sudo'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.system]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'frame-system'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.nft]
 default-features = false
 package = 'pallet-nft'
 path = '../pallets/nft'
-version = '2.0.0-alpha.6'
+version = '2.0.0-rc3'
 
 [dependencies.timestamp]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-timestamp'
-version = '2.0.0-alpha.6'
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 
 [dependencies.transaction-payment]
 default-features = false
+git = 'https://github.com/paritytech/substrate.git'
 package = 'pallet-transaction-payment'
-version = '2.0.0-alpha.6'
-
+tag = 'v2.0.0-rc3'
+version = '2.0.0-rc3'
 [build-dependencies.wasm-builder-runner]
+git = 'https://github.com/paritytech/substrate.git'
 package = 'substrate-wasm-builder-runner'
+tag = 'v2.0.0-rc3'
 version = '1.0.5'
 
 [package]
-authors = ['Anonymous']
+authors = ['Substrate DevHub <https://github.com/substrate-developer-hub>']
 edition = '2018'
-homepage = 'https://substrate.dev'
+homepage = 'https://substrate.io'
 license = 'Unlicense'
 name = 'nft-runtime'
-repository = 'https://github.com/paritytech/substrate/'
-version = '2.0.0-alpha.6'
-
+repository = 'https://github.com/usetech-llc/nft_parachain/'
+version = '2.0.0-rc3'
 [package.metadata.docs.rs]
 targets = ['x86_64-unknown-linux-gnu']
 
@@ -148,9 +198,9 @@
     'aura/std',
     'balances/std',
     'codec/std',
-	"contracts/std",
-	"contracts-primitives/std",
-	"contracts-rpc-runtime-api/std",
+    'contracts/std',
+    'contracts-primitives/std',
+    'contracts-rpc-runtime-api/std',
     'frame-executive/std',
     'frame-support/std',
     'grandpa/std',