diff --git a/Cargo.lock b/Cargo.lock
index 2565a240d3..bda042408e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,11 +14,11 @@ dependencies = [
  "eth2_testnet_config 0.2.0",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
  "validator_client 0.2.0",
@@ -47,7 +47,7 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -66,21 +66,21 @@ name = "ahash"
 version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "const-random 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "const-random 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.6"
+version = "0.7.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "amcl"
 version = "0.2.0"
-source = "git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10#52fab41dd086951ade699894b690e95ede1efafd"
+source = "git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10#38c6c33925b24c9319a1febfb621ff9bbf6d49f7"
 dependencies = [
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -94,19 +94,14 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "anyhow"
-version = "1.0.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "arc-swap"
-version = "0.4.4"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "arrayref"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -135,8 +130,8 @@ name = "asn1_der_derive"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -144,8 +139,8 @@ name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -161,22 +156,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "backtrace"
-version = "0.3.41"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace-sys 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "backtrace-sys"
-version = "0.1.32"
+version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -184,7 +179,7 @@ name = "base64"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "safemem 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -193,7 +188,7 @@ name = "base64"
 version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -219,7 +214,7 @@ dependencies = [
  "eth2_ssz_types 0.2.0",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "genesis 0.2.0",
- "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "integer-sqrt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lighthouse_metrics 0.2.0",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -230,12 +225,12 @@ dependencies = [
  "proto_array_fork_choice 0.2.0",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "sloggers 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sloggers 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "slot_clock 0.2.0",
  "state_processing 0.2.0",
  "store 0.2.0",
@@ -253,7 +248,7 @@ dependencies = [
  "beacon_chain 0.2.0",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "client 0.2.0",
- "ctrlc 3.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ctrlc 3.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "environment 0.2.0",
@@ -267,14 +262,14 @@ dependencies = [
  "logging 0.2.0",
  "node_test_rig 0.2.0",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "store 0.2.0",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
  "version 0.2.0",
 ]
@@ -284,7 +279,7 @@ name = "bigint"
 version = "4.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -293,8 +288,8 @@ name = "bincode"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -309,8 +304,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bitvec"
-version = "0.15.2"
+version = "0.17.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "radium 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "blake2"
@@ -328,7 +327,7 @@ name = "blake2b_simd"
 version = "0.5.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -340,7 +339,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -368,10 +367,10 @@ dependencies = [
  "eth2_ssz 0.1.2",
  "eth2_ssz_types 0.2.0",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "milagro_bls 1.0.0 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
+ "milagro_bls 1.0.1 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_hex 0.2.0",
  "tree_hash 0.1.1",
 ]
@@ -383,23 +382,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bs58"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bstr"
-version = "0.2.9"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-automata 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-automata 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "bumpalo"
-version = "3.1.2"
+version = "3.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -419,7 +418,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.3.2"
+version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -427,7 +426,7 @@ name = "bytes"
 version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -437,14 +436,6 @@ name = "bytes"
 version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "c2-chacha"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "c_linked_list"
 version = "1.1.1"
@@ -461,7 +452,7 @@ dependencies = [
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickcheck 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickcheck_macros 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
 ]
 
@@ -475,7 +466,7 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.50"
+version = "1.0.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -485,12 +476,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "chrono"
-version = "0.4.10"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -512,7 +503,7 @@ name = "clear_on_drop"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -522,7 +513,7 @@ dependencies = [
  "beacon_chain 0.2.0",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "environment 0.2.0",
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth1 0.2.0",
  "eth2-libp2p 0.2.0",
  "eth2_config 0.2.0",
@@ -536,17 +527,17 @@ dependencies = [
  "prometheus 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "rest_api 0.2.0",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "sloggers 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sloggers 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "slot_clock 0.2.0",
  "store 0.2.0",
  "timer 0.2.0",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
  "types 0.2.0",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -563,7 +554,7 @@ dependencies = [
 
 [[package]]
 name = "colored"
-version = "1.9.2"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -592,25 +583,25 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "const-random"
-version = "0.1.6"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "const-random-macro 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "const-random-macro 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "const-random-macro"
-version = "0.1.6"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -623,7 +614,7 @@ name = "cookie"
 version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -633,29 +624,29 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cookie 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "publicsuffix 1.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "try_from 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "core-foundation"
-version = "0.6.4"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "core-foundation-sys"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -668,35 +659,35 @@ dependencies = [
 
 [[package]]
 name = "criterion"
-version = "0.3.0"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "cast 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "criterion-plot 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "csv 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion-plot 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "csv 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_xoshiro 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "oorandom 11.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "plotters 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "tinytemplate 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tinytemplate 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "criterion-plot"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cast 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -710,49 +701,44 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-queue 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.8.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-queue"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -761,24 +747,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.6.6"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -804,22 +781,22 @@ dependencies = [
 
 [[package]]
 name = "csv"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bstr 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bstr 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "csv-core 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ryu 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "csv-core"
-version = "0.1.6"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -833,10 +810,10 @@ dependencies = [
 
 [[package]]
 name = "ctrlc"
-version = "3.1.3"
+version = "3.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "nix 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nix 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -854,7 +831,7 @@ name = "curve25519-dalek"
 version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -866,7 +843,7 @@ name = "curve25519-dalek"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -875,7 +852,7 @@ dependencies = [
 
 [[package]]
 name = "data-encoding"
-version = "2.1.2"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -890,14 +867,14 @@ dependencies = [
  "eth2_ssz 0.1.2",
  "ethabi 11.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
  "types 0.2.0",
 ]
 
 [[package]]
 name = "derivative"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -913,7 +890,7 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -941,8 +918,8 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_users 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_users 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -951,13 +928,13 @@ name = "dns-parser"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "dtoa"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -983,8 +960,8 @@ dependencies = [
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "state_processing 0.2.0",
@@ -1014,15 +991,15 @@ version = "0.1.0-alpha.3"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
  "base64 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bs58 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ed25519-dalek 1.0.0-pre.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
- "libsecp256k1 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rlp 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha3 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1035,7 +1012,7 @@ dependencies = [
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1047,7 +1024,7 @@ dependencies = [
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1057,7 +1034,7 @@ version = "0.2.0"
 dependencies = [
  "beacon_node 0.2.0",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ctrlc 3.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ctrlc 3.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_config 0.2.0",
  "eth2_testnet_config 0.2.0",
@@ -1065,21 +1042,21 @@ dependencies = [
  "logging 0.2.0",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-json 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "sloggers 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sloggers 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
 ]
 
 [[package]]
 name = "error-chain"
-version = "0.12.1"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.41 (registry+https://github.com/rust-lang/crates.io-index)",
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1098,14 +1075,14 @@ dependencies = [
  "lighthouse_metrics 0.2.0",
  "merkle_proof 0.2.0",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "sloggers 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sloggers 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "state_processing 0.2.0",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
  "types 0.2.0",
  "web3 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1117,7 +1094,7 @@ version = "0.2.0"
 dependencies = [
  "deposit_contract 0.2.0",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
  "web3 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1129,7 +1106,7 @@ version = "0.2.0"
 dependencies = [
  "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_ssz 0.1.2",
  "eth2_ssz_derive 0.1.0",
  "eth2_ssz_types 0.2.0",
@@ -1142,14 +1119,14 @@ dependencies = [
  "lighthouse_metrics 0.2.0",
  "lru 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-stdlog 4.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "snap 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1163,9 +1140,9 @@ dependencies = [
 name = "eth2_config"
 version = "0.2.0"
 dependencies = [
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
 ]
 
@@ -1174,10 +1151,10 @@ name = "eth2_hashing"
 version = "0.1.1"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-test 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-test 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1188,10 +1165,10 @@ dependencies = [
  "eth2_hashing 0.1.1",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "milagro_bls 1.0.0 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
- "num-bigint 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "milagro_bls 1.0.1 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
+ "num-bigint 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1201,7 +1178,7 @@ version = "0.1.2"
 dependencies = [
  "eth2_ssz_derive 0.1.0",
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1217,13 +1194,13 @@ name = "eth2_ssz_types"
 version = "0.2.0"
 dependencies = [
  "eth2_ssz 0.1.2",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_hex 0.2.0",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
  "tree_hash_derive 0.2.0",
- "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1233,7 +1210,7 @@ dependencies = [
  "eth2-libp2p 0.2.0",
  "eth2_ssz 0.1.2",
  "reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
@@ -1244,12 +1221,12 @@ name = "ethabi"
 version = "8.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1260,10 +1237,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "uint 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uint 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1313,7 +1290,7 @@ dependencies = [
  "impl-rlp 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "uint 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uint 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1335,21 +1312,21 @@ dependencies = [
 
 [[package]]
 name = "failure"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.41 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure_derive 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure_derive 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "failure_derive"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1363,7 +1340,7 @@ name = "fixed-hash"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1375,7 +1352,7 @@ name = "fixed-hash"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_assertions 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1383,16 +1360,16 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.13"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1471,7 +1448,7 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1494,10 +1471,10 @@ name = "futures-macro"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1522,10 +1499,10 @@ dependencies = [
  "futures-macro 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-utils 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-nested 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1539,7 +1516,7 @@ name = "generic-array"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1557,8 +1534,8 @@ dependencies = [
  "merkle_proof 0.2.0",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "state_processing 0.2.0",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1573,7 +1550,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "c_linked_list 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "get_if_addrs-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1583,7 +1560,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1592,7 +1569,7 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1601,21 +1578,21 @@ name = "h2"
 version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "h2"
-version = "0.2.1"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1623,12 +1600,12 @@ dependencies = [
  "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1661,20 +1638,12 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "heck"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "hermit-abi"
-version = "0.1.6"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1722,17 +1691,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "http"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1752,7 +1721,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1778,8 +1747,8 @@ dependencies = [
  "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1799,40 +1768,40 @@ dependencies = [
  "http-body 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-buf 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "want 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hyper"
-version = "0.13.2"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-project 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1846,8 +1815,8 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1856,8 +1825,8 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1869,7 +1838,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-normalization 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-normalization 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1879,7 +1848,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-normalization 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-normalization 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1895,7 +1864,7 @@ name = "impl-codec"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "parity-scale-codec 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1903,7 +1872,7 @@ name = "impl-rlp"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rlp 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1911,7 +1880,7 @@ name = "impl-serde"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1919,15 +1888,15 @@ name = "impl-serde"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "indexmap"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1941,7 +1910,7 @@ dependencies = [
 
 [[package]]
 name = "integer-sqrt"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1949,12 +1918,12 @@ name = "iovec"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ipnet"
-version = "2.1.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1965,17 +1934,25 @@ dependencies = [
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "itoa"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "js-sys"
-version = "0.3.35"
+version = "0.3.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1985,9 +1962,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2034,10 +2011,10 @@ dependencies = [
  "genesis 0.2.0",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "simple_logger 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "simple_logger 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "state_processing 0.2.0",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
@@ -2052,7 +2029,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "db-key 0.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "leveldb-sys 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2060,12 +2037,12 @@ name = "leveldb-sys"
 version = "2.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.66"
+version = "0.2.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2112,9 +2089,9 @@ dependencies = [
  "parity-multihash 0.2.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2124,14 +2101,14 @@ version = "0.13.2"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
  "asn1_der 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bs58 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "ed25519-dalek 1.0.0-pre.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libsecp256k1 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "multistream-select 0.6.1 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "parity-multiaddr 0.6.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
@@ -2140,12 +2117,12 @@ dependencies = [
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2158,8 +2135,8 @@ name = "libp2p-core-derive"
 version = "0.13.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2167,10 +2144,10 @@ name = "libp2p-deflate"
 version = "0.5.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2188,18 +2165,18 @@ dependencies = [
  "hkdf 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "libp2p-swarm 0.3.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
- "libsecp256k1 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl 0.10.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.10.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.6.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "parity-multihash 0.2.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rlp 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-udp 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-udp 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "zeroize 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2220,7 +2197,7 @@ name = "libp2p-floodsub"
 version = "0.13.1"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bs58 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "cuckoofilter 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2230,7 +2207,7 @@ dependencies = [
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2240,7 +2217,7 @@ source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da12992
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2251,10 +2228,10 @@ dependencies = [
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2271,8 +2248,8 @@ dependencies = [
  "parity-multiaddr 0.6.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2296,9 +2273,9 @@ dependencies = [
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "uint 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uint 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2309,7 +2286,7 @@ name = "libp2p-mdns"
 version = "0.13.1"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "data-encoding 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "dns-parser 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
@@ -2319,9 +2296,9 @@ dependencies = [
  "parity-multiaddr 0.6.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-udp 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-udp 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2337,8 +2314,8 @@ dependencies = [
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2355,9 +2332,9 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "snow 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "x25519-dalek 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2374,7 +2351,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.6.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2390,7 +2367,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2404,23 +2381,23 @@ dependencies = [
  "ctr 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-send-wrapper 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "twofish 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-bindgen-futures 0.3.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2431,7 +2408,7 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2444,12 +2421,12 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "get_if_addrs 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ipnet 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ipnet 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2460,7 +2437,7 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-uds 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2469,11 +2446,11 @@ version = "0.6.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "parity-send-wrapper 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-bindgen-futures 0.3.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2488,8 +2465,8 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "soketto 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-rustls 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "webpki-roots 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2503,23 +2480,23 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.13.2 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "yamux 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "libsecp256k1"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac-drbg 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2527,8 +2504,8 @@ name = "libz-sys"
 version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2545,9 +2522,9 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "logging 0.2.0",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "sloggers 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sloggers 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
  "validator_client 0.2.0",
@@ -2571,7 +2548,7 @@ name = "lock_api"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "owning_ref 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2580,15 +2557,15 @@ name = "lock_api"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "lock_api"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2614,7 +2591,7 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lighthouse_metrics 0.2.0",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2645,18 +2622,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memchr"
-version = "2.3.0"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "memoffset"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2672,14 +2646,13 @@ dependencies = [
 
 [[package]]
 name = "milagro_bls"
-version = "1.0.0"
-source = "git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10#52fab41dd086951ade699894b690e95ede1efafd"
+version = "1.0.1"
+source = "git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10#38c6c33925b24c9319a1febfb621ff9bbf6d49f7"
 dependencies = [
  "amcl 0.2.0 (git+https://github.com/sigp/milagro_bls?branch=eth2.0-v0.10)",
  "hex 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2698,7 +2671,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "mime_guess"
-version = "2.0.1"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2707,7 +2680,7 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2723,7 +2696,7 @@ dependencies = [
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2759,7 +2732,7 @@ version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2779,7 +2752,7 @@ name = "miow"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "socket2 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2792,24 +2765,24 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "native-tls"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl 0.10.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.10.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)",
- "schannel 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.55 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schannel 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2819,7 +2792,7 @@ version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2828,7 +2801,7 @@ name = "network"
 version = "0.2.0"
 dependencies = [
  "beacon_chain 0.2.0",
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2-libp2p 0.2.0",
  "eth2_ssz 0.1.2",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2839,11 +2812,11 @@ dependencies = [
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rest_types 0.2.0",
- "rlp 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "sloggers 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sloggers 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "slot_clock 0.2.0",
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "store 0.2.0",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2853,13 +2826,13 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.14.1"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2874,7 +2847,7 @@ dependencies = [
  "genesis 0.2.0",
  "remote_beacon_node 0.2.0",
  "reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2888,21 +2861,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "nohash-hasher"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "nom"
-version = "4.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "num-bigint"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2929,13 +2893,18 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.11.1"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "oorandom"
+version = "11.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "opaque-debug"
 version = "0.2.3"
@@ -2943,15 +2912,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl"
-version = "0.10.26"
+version = "0.10.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.55 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2961,12 +2930,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.53"
+version = "0.9.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2980,8 +2949,8 @@ dependencies = [
  "int_to_bytes 0.2.0",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "state_processing 0.2.0",
  "store 0.2.0",
  "types 0.2.0",
@@ -2989,7 +2958,7 @@ dependencies = [
 
 [[package]]
 name = "owning_ref"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3001,7 +2970,7 @@ version = "3.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3009,14 +2978,14 @@ name = "parity-multiaddr"
 version = "0.6.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bs58 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "data-encoding 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.2.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
  "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3037,13 +3006,13 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "1.1.2"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "bitvec 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitvec 0.17.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-slice-cast 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3075,18 +3044,18 @@ name = "parking_lot"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lock_api 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lock_api 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "parking_lot"
-version = "0.10.0"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lock_api 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot_core 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lock_api 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3094,7 +3063,7 @@ name = "parking_lot_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3108,7 +3077,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3123,7 +3092,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3132,14 +3101,14 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3155,20 +3124,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "pin-project"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "pin-project-internal 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-internal 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3178,7 +3147,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "pin-utils"
-version = "0.1.0-alpha.4"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3186,6 +3155,17 @@ name = "pkg-config"
 version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "plotters"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "js-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.6"
@@ -3212,22 +3192,17 @@ dependencies = [
  "impl-codec 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-rlp 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-serde 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "uint 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uint 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.11"
+version = "0.5.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "proc-macro-nested"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3240,7 +3215,7 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.7"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3267,8 +3242,8 @@ dependencies = [
  "eth2_ssz_derive 0.1.0",
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
 ]
@@ -3283,10 +3258,10 @@ name = "publicsuffix"
 version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "idna 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3326,18 +3301,23 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "radium"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "rand"
 version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3347,7 +3327,7 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3360,7 +3340,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3371,7 +3351,7 @@ version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3389,8 +3369,8 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3406,10 +3386,10 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "c2-chacha 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3463,7 +3443,7 @@ name = "rand_jitter"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3475,21 +3455,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_os"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_pcg"
 version = "0.1.2"
@@ -3515,20 +3486,12 @@ dependencies = [
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_xoshiro"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rayon"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon-core 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3538,11 +3501,11 @@ name = "rayon-core"
 version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-queue 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3560,37 +3523,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "redox_users"
-version = "0.3.1"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "rust-argon2 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rust-argon2 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex"
-version = "1.3.3"
+version = "1.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.7.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-automata"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.13"
+version = "0.6.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3599,14 +3561,14 @@ version = "0.2.0"
 dependencies = [
  "eth2_config 0.2.0",
  "eth2_ssz 0.1.2",
- "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "operation_pool 0.1.0",
  "proto_array_fork_choice 0.2.0",
- "reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rest_types 0.2.0",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3629,24 +3591,24 @@ dependencies = [
  "cookie 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cookie_store 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "encoding_rs 0.8.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-tls 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3654,7 +3616,7 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.10.3"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3662,27 +3624,28 @@ dependencies = [
  "encoding_rs 0.8.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-tls 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-futures 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-futures 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3709,12 +3672,12 @@ dependencies = [
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "remote_beacon_node 0.2.0",
  "rest_types 0.2.0",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slot_clock 0.2.0",
  "state_processing 0.2.0",
  "store 0.2.0",
@@ -3734,7 +3697,7 @@ dependencies = [
  "eth2_ssz 0.1.2",
  "eth2_ssz_derive 0.1.0",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "state_processing 0.2.0",
  "tree_hash 0.1.1",
  "types 0.2.0",
@@ -3742,15 +3705,15 @@ dependencies = [
 
 [[package]]
 name = "ring"
-version = "0.16.9"
+version = "0.16.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3761,7 +3724,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rlp"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3769,12 +3732,13 @@ dependencies = [
 
 [[package]]
 name = "rust-argon2"
-version = "0.5.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2b_simd 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3802,9 +3766,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "sct 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3814,12 +3778,12 @@ source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da12992
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.2"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3832,12 +3796,12 @@ name = "same-file"
 version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "schannel"
-version = "0.1.16"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3861,7 +3825,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "scopeguard"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3869,27 +3833,29 @@ name = "sct"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "security-framework"
-version = "0.3.4"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "core-foundation 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "security-framework-sys"
-version = "0.3.3"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3912,20 +3878,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.104"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.104"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3933,17 +3899,17 @@ name = "serde_hex"
 version = "0.2.0"
 dependencies = [
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.44"
+version = "1.0.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ryu 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3951,9 +3917,9 @@ name = "serde_repr"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3961,9 +3927,9 @@ name = "serde_urlencoded"
 version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dtoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3972,9 +3938,9 @@ name = "serde_urlencoded"
 version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dtoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3983,9 +3949,9 @@ name = "serde_yaml"
 version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dtoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4033,18 +3999,18 @@ name = "signal-hook-registry"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arc-swap 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arc-swap 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "simple_logger"
-version = "1.4.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "colored 1.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "colored 1.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4081,12 +4047,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "slog-async"
-version = "2.3.0"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "crossbeam-channel 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4094,9 +4061,9 @@ name = "slog-json"
 version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4105,7 +4072,7 @@ name = "slog-kvfilter"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4114,7 +4081,7 @@ name = "slog-scope"
 version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arc-swap 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arc-swap 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4143,32 +4110,32 @@ dependencies = [
 
 [[package]]
 name = "slog-term"
-version = "2.4.2"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "term 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "sloggers"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "libflate 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-kvfilter 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-scope 4.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-stdlog 3.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "trackable 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4192,7 +4159,7 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.2.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -4205,20 +4172,20 @@ name = "snow"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "socket2"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4230,7 +4197,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4238,15 +4205,10 @@ dependencies = [
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "sourcefile"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -4263,20 +4225,20 @@ version = "0.2.0"
 dependencies = [
  "beacon_chain 0.2.0",
  "bls 0.2.0",
- "criterion 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_hashing 0.1.1",
  "eth2_ssz 0.1.2",
  "eth2_ssz_types 0.2.0",
  "int_to_bytes 0.2.0",
- "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "integer-sqrt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "merkle_proof 0.2.0",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "store 0.2.0",
  "tree_hash 0.1.1",
@@ -4298,7 +4260,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "store"
 version = "0.2.0"
 dependencies = [
- "criterion 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "db-key 0.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_ssz 0.1.2",
  "eth2_ssz_derive 0.1.0",
@@ -4309,10 +4271,10 @@ dependencies = [
  "lru 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "sloggers 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sloggers 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "state_processing 0.2.0",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
@@ -4354,7 +4316,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "swap_or_not_shuffle"
 version = "0.2.0"
 dependencies = [
- "criterion 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_hashing 0.1.1",
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4373,11 +4335,11 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.13"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4386,9 +4348,9 @@ name = "synstructure"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4417,7 +4379,7 @@ version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4438,7 +4400,7 @@ name = "termcolor"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4457,14 +4419,6 @@ dependencies = [
  "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "thread_local"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "thread_local"
 version = "1.0.1"
@@ -4475,11 +4429,10 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.42"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4488,11 +4441,11 @@ name = "timer"
 version = "0.2.0"
 dependencies = [
  "beacon_chain 0.2.0",
- "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slot_clock 0.2.0",
- "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "types 0.2.0",
 ]
 
@@ -4506,11 +4459,11 @@ dependencies = [
 
 [[package]]
 name = "tinytemplate"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4521,19 +4474,19 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-fs 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-sync 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-udp 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-current-thread 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-fs 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-sync 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-udp 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-uds 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4546,12 +4499,12 @@ dependencies = [
  "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-named-pipes 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4571,12 +4524,12 @@ dependencies = [
 
 [[package]]
 name = "tokio-codec"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4591,19 +4544,19 @@ dependencies = [
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "scoped-tls 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-current-thread"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4619,26 +4572,26 @@ dependencies = [
 
 [[package]]
 name = "tokio-executor"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-fs"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-io"
-version = "0.1.12"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4653,8 +4606,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4662,27 +4615,27 @@ name = "tokio-macros"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-reactor"
-version = "0.1.11"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-sync 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-sync 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4694,13 +4647,13 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "webpki 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-sync"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4709,31 +4662,31 @@ dependencies = [
 
 [[package]]
 name = "tokio-tcp"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-threadpool"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4747,13 +4700,13 @@ dependencies = [
 
 [[package]]
 name = "tokio-timer"
-version = "0.2.12"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4762,8 +4715,8 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4771,22 +4724,22 @@ name = "tokio-tls"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-udp"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4797,34 +4750,34 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-uds"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-util"
-version = "0.2.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4837,10 +4790,10 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4853,16 +4806,16 @@ name = "trackable"
 version = "0.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "trackable_derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trackable_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "trackable_derive"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4874,12 +4827,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "tree_hash"
 version = "0.1.1"
 dependencies = [
- "criterion 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_hashing 0.1.1",
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash_derive 0.2.0",
  "types 0.2.0",
 ]
@@ -4911,7 +4864,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4922,7 +4875,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "typenum"
-version = "1.11.2"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -4933,8 +4886,8 @@ dependencies = [
  "cached_tree_hash 0.1.0",
  "compare_fields 0.2.0",
  "compare_fields_derive 0.2.0",
- "criterion 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "derivative 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derivative 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_hashing 0.1.1",
@@ -4950,9 +4903,9 @@ dependencies = [
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xorshift 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "swap_or_not_shuffle 0.2.0",
@@ -4967,7 +4920,7 @@ name = "uint"
 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4975,10 +4928,10 @@ dependencies = [
 
 [[package]]
 name = "uint"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_assertions 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5010,17 +4963,12 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.11"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "unicode-width"
 version = "0.1.7"
@@ -5042,7 +4990,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5088,7 +5036,7 @@ dependencies = [
  "deposit_contract 0.2.0",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "environment 0.2.0",
- "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "error-chain 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "eth2_config 0.2.0",
  "eth2_interop_keypairs 0.2.0",
  "eth2_ssz 0.1.2",
@@ -5096,22 +5044,22 @@ dependencies = [
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
  "logging 0.2.0",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "remote_beacon_node 0.2.0",
  "rest_types 0.2.0",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-term 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slot_clock 0.2.0",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tree_hash 0.1.1",
  "types 0.2.0",
 ]
@@ -5155,7 +5103,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "same-file 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5184,27 +5132,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.58"
+version = "0.2.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-macro 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.58"
+version = "0.2.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bumpalo 3.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bumpalo 3.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-shared 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5214,83 +5162,68 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
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- "weedle 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "wasm-bindgen-webidl 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5333,13 +5263,13 @@ dependencies = [
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  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -5348,10 +5278,10 @@ dependencies = [
 
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@@ -5360,7 +5290,7 @@ name = "webpki-roots"
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+ "webpki 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -5432,7 +5354,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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@@ -5553,8 +5474,8 @@ dependencies = [
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@@ -5563,78 +5484,75 @@ dependencies = [
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diff --git a/beacon_node/client/src/notifier.rs b/beacon_node/client/src/notifier.rs
index 4f57800b14..825c76c7e8 100644
--- a/beacon_node/client/src/notifier.rs
+++ b/beacon_node/client/src/notifier.rs
@@ -2,13 +2,13 @@ use crate::metrics;
 use beacon_chain::{BeaconChain, BeaconChainTypes};
 use environment::RuntimeContext;
 use eth2_libp2p::NetworkGlobals;
-use futures::{Future, Stream};
+use futures::{FutureExt, StreamExt, TryFutureExt};
 use parking_lot::Mutex;
 use slog::{debug, error, info, warn};
 use slot_clock::SlotClock;
 use std::sync::Arc;
-use std::time::{Duration, Instant};
-use tokio::timer::Interval;
+use std::time::Duration;
+use tokio::time::{interval_at, Instant};
 use types::{EthSpec, Slot};
 
 /// Create a warning log whenever the peer count is at or below this value.
@@ -32,9 +32,7 @@ pub fn spawn_notifier<T: BeaconChainTypes>(
     network: Arc<NetworkGlobals<T::EthSpec>>,
     milliseconds_per_slot: u64,
 ) -> Result<tokio::sync::oneshot::Sender<()>, String> {
-    let log_1 = context.log.clone();
-    let log_2 = context.log.clone();
-    let log_3 = context.log.clone();
+    let log = context.log.clone();
 
     let slot_duration = Duration::from_millis(milliseconds_per_slot);
     let duration_to_next_slot = beacon_chain
@@ -50,82 +48,94 @@ pub fn spawn_notifier<T: BeaconChainTypes>(
 
     let speedo = Mutex::new(Speedo::default());
 
-    let interval_future = Interval::new(start_instant, interval_duration)
-        .map_err(
-            move |e| error!(log_1, "Slot notifier timer failed"; "error" => format!("{:?}", e)),
-        )
-        .for_each(move |_| {
-            let log = log_2.clone();
+    // Note: `interval_at` panics when interval_duration is 0
+    // TODO: `Return type of closure passed to `for_each` is restricted to `Future<Output = ()>`
+    // Hence, shifting the .then() error logs into the `for_each` closure.
+    // Can be solved with `TryStreamExt::try_for_each` if `Interval` implemented `TryStream`.
+    // Check if this can be refactored better.
+    let interval_future = interval_at(start_instant, interval_duration).for_each(|_| {
+        let connected_peer_count = network.connected_peers();
 
-            let connected_peer_count = network.connected_peers();
-
-            let head_info = beacon_chain.head_info()
-                .map_err(|e| error!(
-                    log,
-                    "Failed to get beacon chain head info";
-                    "error" => format!("{:?}", e)
-                ))?;
-
-            let head_slot = head_info.slot;
-            let head_epoch = head_slot.epoch(T::EthSpec::slots_per_epoch());
-            let current_slot = beacon_chain.slot().map_err(|e| {
+        let head_info = match beacon_chain.head_info() {
+            Ok(head) => head,
+            Err(e) => {
                 error!(
                     log,
-                    "Unable to read current slot";
+                    "Notifier failed to notify, Failed to get beacon chain head info";
                     "error" => format!("{:?}", e)
-                )
-            })?;
-            let current_epoch = current_slot.epoch(T::EthSpec::slots_per_epoch());
-            let finalized_epoch = head_info.finalized_checkpoint.epoch;
-            let finalized_root = head_info.finalized_checkpoint.root;
-            let head_root = head_info.block_root;
-
-            let mut speedo = speedo.lock();
-            speedo.observe(head_slot, Instant::now());
-
-            metrics::set_gauge(&metrics::SYNC_SLOTS_PER_SECOND, speedo.slots_per_second().unwrap_or_else(|| 0_f64) as i64);
-
-            // The next two lines take advantage of saturating subtraction on `Slot`.
-            let head_distance = current_slot - head_slot;
-
-            if connected_peer_count <= WARN_PEER_COUNT {
-                warn!(log, "Low peer count"; "peer_count" => peer_count_pretty(connected_peer_count));
+                );
+                return futures::future::ready(());
             }
+        };
 
-            debug!(
-                log,
-                "Slot timer";
-                "peers" => peer_count_pretty(connected_peer_count),
-                "finalized_root" => format!("{}", finalized_root),
-                "finalized_epoch" => finalized_epoch,
-                "head_block" => format!("{}", head_root),
-                "head_slot" => head_slot,
-                "current_slot" => current_slot,
+        let head_slot = head_info.slot;
+        let head_epoch = head_slot.epoch(T::EthSpec::slots_per_epoch());
+        let current_slot = match beacon_chain.slot() {
+            Ok(slot) => slot,
+            Err(e) => {
+                error!(
+                    log,
+                    "Notify failed to notify, Unable to read current slot";
+                    "error" => format!("{:?}", e)
+                );
+                return futures::future::ready(());
+            }
+        };
+
+        let current_epoch = current_slot.epoch(T::EthSpec::slots_per_epoch());
+        let finalized_epoch = head_info.finalized_checkpoint.epoch;
+        let finalized_root = head_info.finalized_checkpoint.root;
+        let head_root = head_info.block_root;
+
+        let mut speedo = speedo.lock();
+        speedo.observe(head_slot, Instant::now());
+
+        metrics::set_gauge(
+            &metrics::SYNC_SLOTS_PER_SECOND,
+            speedo.slots_per_second().unwrap_or_else(|| 0_f64) as i64,
+        );
+
+        // The next two lines take advantage of saturating subtraction on `Slot`.
+        let head_distance = current_slot - head_slot;
+
+        if connected_peer_count <= WARN_PEER_COUNT {
+            warn!(log, "Low peer count"; "peer_count" => peer_count_pretty(connected_peer_count));
+        }
+
+        debug!(
+            log,
+            "Slot timer";
+            "peers" => peer_count_pretty(connected_peer_count),
+            "finalized_root" => format!("{}", finalized_root),
+            "finalized_epoch" => finalized_epoch,
+            "head_block" => format!("{}", head_root),
+            "head_slot" => head_slot,
+            "current_slot" => current_slot,
+        );
+
+        if head_epoch + 1 < current_epoch {
+            let distance = format!(
+                "{} slots ({})",
+                head_distance.as_u64(),
+                slot_distance_pretty(head_distance, slot_duration)
             );
 
-            if head_epoch + 1 < current_epoch {
-                let distance = format!(
-                    "{} slots ({})",
-                    head_distance.as_u64(),
-                    slot_distance_pretty(head_distance, slot_duration)
-                );
+            info!(
+                log,
+                "Syncing";
+                "peers" => peer_count_pretty(connected_peer_count),
+                "distance" => distance,
+                "speed" => sync_speed_pretty(speedo.slots_per_second()),
+                "est_time" => estimated_time_pretty(speedo.estimated_time_till_slot(current_slot)),
+            );
 
-                info!(
-                    log,
-                    "Syncing";
-                    "peers" => peer_count_pretty(connected_peer_count),
-                    "distance" => distance,
-                    "speed" => sync_speed_pretty(speedo.slots_per_second()),
-                    "est_time" => estimated_time_pretty(speedo.estimated_time_till_slot(current_slot)),
-                );
+            return futures::future::ready(());
+        };
 
-                return Ok(());
-            };
-
-            macro_rules! not_quite_synced_log {
+        macro_rules! not_quite_synced_log {
                 ($message: expr) => {
                     info!(
-                        log_2,
+                        log,
                         $message;
                         "peers" => peer_count_pretty(connected_peer_count),
                         "finalized_root" => format!("{}", finalized_root),
@@ -136,41 +146,31 @@ pub fn spawn_notifier<T: BeaconChainTypes>(
                 }
             }
 
-            if head_epoch + 1 == current_epoch {
-                not_quite_synced_log!("Synced to previous epoch")
-            } else if head_slot != current_slot {
-                not_quite_synced_log!("Synced to current epoch")
-            } else {
-                info!(
-                    log_2,
-                    "Synced";
-                    "peers" => peer_count_pretty(connected_peer_count),
-                    "finalized_root" => format!("{}", finalized_root),
-                    "finalized_epoch" => finalized_epoch,
-                    "epoch" => current_epoch,
-                    "slot" => current_slot,
-                );
-            };
+        if head_epoch + 1 == current_epoch {
+            not_quite_synced_log!("Synced to previous epoch")
+        } else if head_slot != current_slot {
+            not_quite_synced_log!("Synced to current epoch")
+        } else {
+            info!(
+                log,
+                "Synced";
+                "peers" => peer_count_pretty(connected_peer_count),
+                "finalized_root" => format!("{}", finalized_root),
+                "finalized_epoch" => finalized_epoch,
+                "epoch" => current_epoch,
+                "slot" => current_slot,
+            );
+        };
 
-            Ok(())
-        })
-        .then(move |result| {
-            match result {
-                Ok(()) => Ok(()),
-                Err(e) => {
-                    error!(
-                    log_3,
-                    "Notifier failed to notify";
-                    "error" => format!("{:?}", e)
-                );
-                Ok(())
-            } } });
+        futures::future::ready(())
+    });
 
     let (exit_signal, exit) = tokio::sync::oneshot::channel();
 
-    context
-        .executor
-        .spawn(interval_future.select(exit).map(|_| ()).map_err(|_| ()));
+    let future = futures::future::select(interval_future, exit.map_err(|_| ()).map(|_| ()));
+
+    // TODO: check if the runtime handle should spawn this future.
+    tokio::task::spawn(future);
 
     Ok(exit_signal)
 }
diff --git a/beacon_node/timer/Cargo.toml b/beacon_node/timer/Cargo.toml
index a0c132cbe1..7a2e2ec4a2 100644
--- a/beacon_node/timer/Cargo.toml
+++ b/beacon_node/timer/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 beacon_chain =  { path = "../beacon_chain" }
 types = { path = "../../eth2/types" }
 slot_clock = { path = "../../eth2/utils/slot_clock" }
-tokio = "0.1.22"
+tokio = { version = "0.2", features = ["full"] }
 slog = "2.5.2"
 parking_lot = "0.10.0"
-futures = "0.1.29"
+futures = "0.3"
diff --git a/beacon_node/timer/src/lib.rs b/beacon_node/timer/src/lib.rs
index 20054d8540..eccf06c4dd 100644
--- a/beacon_node/timer/src/lib.rs
+++ b/beacon_node/timer/src/lib.rs
@@ -3,20 +3,22 @@
 //! This service allows task execution on the beacon node for various functionality.
 
 use beacon_chain::{BeaconChain, BeaconChainTypes};
+use futures::stream::StreamExt;
 use futures::{future, prelude::*};
-use slog::error;
 use slot_clock::SlotClock;
 use std::sync::Arc;
-use std::time::{Duration, Instant};
-use tokio::runtime::TaskExecutor;
-use tokio::timer::Interval;
+use std::time::Duration;
+use tokio::runtime::Handle;
+use tokio::time::{interval_at, Instant};
 
 /// Spawns a timer service which periodically executes tasks for the beacon chain
+/// TODO: We might not need a `Handle` to the runtime since this function should be
+/// called from the context of a runtime and we can simply spawn using task::spawn.
+/// Check for issues without the Handle.
 pub fn spawn<T: BeaconChainTypes>(
-    executor: &TaskExecutor,
+    handle: &Handle,
     beacon_chain: Arc<BeaconChain<T>>,
     milliseconds_per_slot: u64,
-    log: slog::Logger,
 ) -> Result<tokio::sync::oneshot::Sender<()>, &'static str> {
     let (exit_signal, exit) = tokio::sync::oneshot::channel();
 
@@ -26,25 +28,15 @@ pub fn spawn<T: BeaconChainTypes>(
             .duration_to_next_slot()
             .ok_or_else(|| "slot_notifier unable to determine time to next slot")?;
 
-    let timer_future = Interval::new(start_instant, Duration::from_millis(milliseconds_per_slot))
-        .map_err(move |e| {
-            error!(
-                log,
-                "Beacon chain timer failed";
-                "error" => format!("{:?}", e)
-            )
-        })
+    // Warning: `interval_at` panics if `milliseconds_per_slot` = 0.
+    let timer_future = interval_at(start_instant, Duration::from_millis(milliseconds_per_slot))
         .for_each(move |_| {
             beacon_chain.per_slot_task();
-            future::ok(())
+            future::ready(())
         });
 
-    executor.spawn(
-        exit.map_err(|_| ())
-            .select(timer_future)
-            .map(|_| ())
-            .map_err(|_| ()),
-    );
+    let future = futures::future::select(timer_future, exit.map_err(|_| ()).map(|_| ()));
+    handle.spawn(future);
 
     Ok(exit_signal)
 }
diff --git a/beacon_node/websocket_server/Cargo.toml b/beacon_node/websocket_server/Cargo.toml
index 0ed8d628cc..e53e0a917f 100644
--- a/beacon_node/websocket_server/Cargo.toml
+++ b/beacon_node/websocket_server/Cargo.toml
@@ -7,11 +7,11 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-futures = "0.1.29"
+futures = "0.3"
 serde = "1.0.102"
 serde_derive = "1.0.102"
 serde_json = "1.0.41"
 slog = "2.5.2"
-tokio = "0.1.22"
+tokio = { version = "0.2", features = ["full"] }
 types = { path = "../../eth2/types" }
 ws = "0.9.1"
diff --git a/beacon_node/websocket_server/src/lib.rs b/beacon_node/websocket_server/src/lib.rs
index 01b48ab18b..d1f1d27ebc 100644
--- a/beacon_node/websocket_server/src/lib.rs
+++ b/beacon_node/websocket_server/src/lib.rs
@@ -1,9 +1,8 @@
-use futures::Future;
+use futures::future::TryFutureExt;
 use slog::{debug, error, info, warn, Logger};
 use std::marker::PhantomData;
 use std::net::SocketAddr;
-use std::thread;
-use tokio::runtime::TaskExecutor;
+use tokio::runtime::Handle;
 use types::EthSpec;
 use ws::{Sender, WebSocket};
 
@@ -38,7 +37,7 @@ impl<T: EthSpec> WebSocketSender<T> {
 
 pub fn start_server<T: EthSpec>(
     config: &Config,
-    executor: &TaskExecutor,
+    handle: &Handle,
     log: &Logger,
 ) -> Result<
     (
@@ -87,19 +86,22 @@ pub fn start_server<T: EthSpec>(
                 } else {
                     info!(log_inner, "Websocket server shutdown");
                 }
-                Ok(())
+                futures::future::ok(())
             })
             .map_err(|_| ());
 
-        // Place a future on the executor that will shutdown the websocket server when the
+        // Place a future on the handle that will shutdown the websocket server when the
         // application exits.
-        executor.spawn(exit_future);
+        // TODO: check if we should spawn using a `Handle` or using `task::spawn`
+        handle.spawn(exit_future);
 
         exit_channel
     };
 
     let log_inner = log.clone();
-    let _handle = thread::spawn(move || match server.run() {
+    // TODO: using tokio `spawn_blocking` instead of `thread::spawn`
+    // Check which is more apt.
+    let _handle = tokio::task::spawn_blocking(move || match server.run() {
         Ok(_) => {
             debug!(
                 log_inner,
diff --git a/eth2/utils/remote_beacon_node/Cargo.toml b/eth2/utils/remote_beacon_node/Cargo.toml
index cb43235786..73d2bb8924 100644
--- a/eth2/utils/remote_beacon_node/Cargo.toml
+++ b/eth2/utils/remote_beacon_node/Cargo.toml
@@ -7,10 +7,10 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-reqwest = "0.9"
+reqwest = { version = "0.10", features = ["json"] }
 url = "1.2"
 serde = "1.0"
-futures = "0.1.25"
+futures = "0.3.4"
 types = { path = "../../../eth2/types" }
 rest_types = { path = "../rest_types" }
 hex = "0.3"
diff --git a/eth2/utils/remote_beacon_node/src/lib.rs b/eth2/utils/remote_beacon_node/src/lib.rs
index 9a5c2a1830..c5e8fd28a7 100644
--- a/eth2/utils/remote_beacon_node/src/lib.rs
+++ b/eth2/utils/remote_beacon_node/src/lib.rs
@@ -4,11 +4,7 @@
 //! Presently, this is only used for testing but it _could_ become a user-facing library.
 
 use eth2_config::Eth2Config;
-use futures::{future, Future, IntoFuture};
-use reqwest::{
-    r#async::{Client, ClientBuilder, Response},
-    StatusCode,
-};
+use reqwest::{Client, ClientBuilder, Response, StatusCode};
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
 use ssz::Encode;
 use std::marker::PhantomData;
@@ -119,33 +115,33 @@ impl<E: EthSpec> HttpClient<E> {
         self.url.join(path).map_err(|e| e.into())
     }
 
-    pub fn json_post<T: Serialize>(
-        &self,
-        url: Url,
-        body: T,
-    ) -> impl Future<Item = Response, Error = Error> {
+    pub async fn json_post<T: Serialize>(&self, url: Url, body: T) -> Result<Response, Error> {
         self.client
             .post(&url.to_string())
             .json(&body)
             .send()
+            .await
             .map_err(Error::from)
     }
 
-    pub fn json_get<T: DeserializeOwned>(
+    pub async fn json_get<T: DeserializeOwned>(
         &self,
         mut url: Url,
         query_pairs: Vec<(String, String)>,
-    ) -> impl Future<Item = T, Error = Error> {
+    ) -> Result<T, Error> {
         query_pairs.into_iter().for_each(|(key, param)| {
             url.query_pairs_mut().append_pair(&key, &param);
         });
 
-        self.client
+        let response = self
+            .client
             .get(&url.to_string())
             .send()
-            .map_err(Error::from)
-            .and_then(|response| error_for_status(response).map_err(Error::from))
-            .and_then(|mut success| success.json::<T>().map_err(Error::from))
+            .await
+            .map_err(Error::from)?;
+
+        let success = error_for_status(response).await.map_err(Error::from)?;
+        success.json::<T>().await.map_err(Error::from)
     }
 }
 
@@ -153,18 +149,17 @@ impl<E: EthSpec> HttpClient<E> {
 ///
 /// Distinct from `Response::error_for_status` because it includes the body of the response as
 /// text. This ensures the error message from the server is not discarded.
-fn error_for_status(
-    mut response: Response,
-) -> Box<dyn Future<Item = Response, Error = Error> + Send> {
+async fn error_for_status(response: Response) -> Result<Response, Error> {
     let status = response.status();
 
     if status.is_success() {
-        Box::new(future::ok(response))
+        return Ok(response);
     } else {
-        Box::new(response.text().then(move |text_result| match text_result {
+        let text_result = response.text().await;
+        match text_result {
             Err(e) => Err(Error::ReqwestError(e)),
             Ok(body) => Err(Error::DidNotSucceed { status, body }),
-        }))
+        }
     }
 }
 
@@ -199,94 +194,86 @@ impl<E: EthSpec> Validator<E> {
     }
 
     /// Produces an unsigned attestation.
-    pub fn produce_attestation(
+    pub async fn produce_attestation(
         &self,
         slot: Slot,
         committee_index: CommitteeIndex,
-    ) -> impl Future<Item = Attestation<E>, Error = Error> {
+    ) -> Result<Attestation<E>, Error> {
         let query_params = vec![
             ("slot".into(), format!("{}", slot)),
             ("committee_index".into(), format!("{}", committee_index)),
         ];
 
         let client = self.0.clone();
-        self.url("attestation")
-            .into_future()
-            .and_then(move |url| client.json_get(url, query_params))
+        let url = self.url("attestation")?;
+        client.json_get(url, query_params).await
     }
 
     /// Produces an aggregate attestation.
-    pub fn produce_aggregate_attestation(
+    pub async fn produce_aggregate_attestation(
         &self,
         attestation_data: &AttestationData,
-    ) -> impl Future<Item = Attestation<E>, Error = Error> {
+    ) -> Result<Attestation<E>, Error> {
         let query_params = vec![(
             "attestation_data".into(),
             as_ssz_hex_string(attestation_data),
         )];
 
         let client = self.0.clone();
-        self.url("aggregate_attestation")
-            .into_future()
-            .and_then(move |url| client.json_get(url, query_params))
+        let url = self.url("aggregate_attestation")?;
+        client.json_get(url, query_params).await
     }
 
     /// Posts a list of attestations to the beacon node, expecting it to verify it and publish it to the network.
-    pub fn publish_attestations(
+    pub async fn publish_attestations(
         &self,
         attestation: Vec<Attestation<E>>,
-    ) -> impl Future<Item = PublishStatus, Error = Error> {
+    ) -> Result<PublishStatus, Error> {
         let client = self.0.clone();
-        self.url("attestations")
-            .into_future()
-            .and_then(move |url| client.json_post::<_>(url, attestation))
-            .and_then(|mut response| {
-                response
-                    .text()
-                    .map(|text| (response, text))
-                    .map_err(Error::from)
-            })
-            .and_then(|(response, text)| match response.status() {
-                StatusCode::OK => Ok(PublishStatus::Valid),
-                StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(text)),
-                _ => response
-                    .error_for_status()
-                    .map_err(Error::from)
-                    .map(|_| PublishStatus::Unknown),
-            })
+        let url = self.url("attestations")?;
+        let response = client.json_post::<_>(url, attestation).await?;
+
+        match response.status() {
+            StatusCode::OK => Ok(PublishStatus::Valid),
+            StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(
+                response.text().await.map_err(Error::from)?,
+            )),
+            _ => response
+                .error_for_status()
+                .map_err(Error::from)
+                .map(|_| PublishStatus::Unknown),
+        }
     }
 
     /// Posts a list of signed aggregates and proofs to the beacon node, expecting it to verify it and publish it to the network.
-    pub fn publish_aggregate_and_proof(
+    pub async fn publish_aggregate_and_proof(
         &self,
         signed_aggregate_and_proofs: Vec<SignedAggregateAndProof<E>>,
-    ) -> impl Future<Item = PublishStatus, Error = Error> {
+    ) -> Result<PublishStatus, Error> {
         let client = self.0.clone();
-        self.url("aggregate_and_proofs")
-            .into_future()
-            .and_then(move |url| client.json_post::<_>(url, signed_aggregate_and_proofs))
-            .and_then(|mut response| {
-                response
-                    .text()
-                    .map(|text| (response, text))
-                    .map_err(Error::from)
-            })
-            .and_then(|(response, text)| match response.status() {
-                StatusCode::OK => Ok(PublishStatus::Valid),
-                StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(text)),
-                _ => response
-                    .error_for_status()
-                    .map_err(Error::from)
-                    .map(|_| PublishStatus::Unknown),
-            })
+        let url = self.url("aggregate_and_proofs")?;
+        let response = client
+            .json_post::<_>(url, signed_aggregate_and_proofs)
+            .await?;
+
+        match response.status() {
+            StatusCode::OK => Ok(PublishStatus::Valid),
+            StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(
+                response.text().await.map_err(Error::from)?,
+            )),
+            _ => response
+                .error_for_status()
+                .map_err(Error::from)
+                .map(|_| PublishStatus::Unknown),
+        }
     }
 
     /// Returns the duties required of the given validator pubkeys in the given epoch.
-    pub fn get_duties(
+    pub async fn get_duties(
         &self,
         epoch: Epoch,
         validator_pubkeys: &[PublicKey],
-    ) -> impl Future<Item = Vec<ValidatorDutyBytes>, Error = Error> {
+    ) -> Result<Vec<ValidatorDutyBytes>, Error> {
         let client = self.0.clone();
 
         let bulk_request = ValidatorDutiesRequest {
@@ -297,79 +284,68 @@ impl<E: EthSpec> Validator<E> {
                 .collect(),
         };
 
-        self.url("duties")
-            .into_future()
-            .and_then(move |url| client.json_post::<_>(url, bulk_request))
-            .and_then(|response| error_for_status(response).map_err(Error::from))
-            .and_then(|mut success| success.json().map_err(Error::from))
+        let url = self.url("duties")?;
+        let response = client.json_post::<_>(url, bulk_request).await?;
+        let success = error_for_status(response).await.map_err(Error::from)?;
+        success.json().await.map_err(Error::from)
     }
 
     /// Posts a block to the beacon node, expecting it to verify it and publish it to the network.
-    pub fn publish_block(
-        &self,
-        block: SignedBeaconBlock<E>,
-    ) -> impl Future<Item = PublishStatus, Error = Error> {
+    pub async fn publish_block(&self, block: SignedBeaconBlock<E>) -> Result<PublishStatus, Error> {
         let client = self.0.clone();
-        self.url("block")
-            .into_future()
-            .and_then(move |url| client.json_post::<_>(url, block))
-            .and_then(|mut response| {
-                response
-                    .text()
-                    .map(|text| (response, text))
-                    .map_err(Error::from)
-            })
-            .and_then(|(response, text)| match response.status() {
-                StatusCode::OK => Ok(PublishStatus::Valid),
-                StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(text)),
-                _ => response
-                    .error_for_status()
-                    .map_err(Error::from)
-                    .map(|_| PublishStatus::Unknown),
-            })
+        let url = self.url("block")?;
+        let response = client.json_post::<_>(url, block).await?;
+
+        match response.status() {
+            StatusCode::OK => Ok(PublishStatus::Valid),
+            StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(
+                response.text().await.map_err(Error::from)?,
+            )),
+            _ => response
+                .error_for_status()
+                .map_err(Error::from)
+                .map(|_| PublishStatus::Unknown),
+        }
     }
 
     /// Requests a new (unsigned) block from the beacon node.
-    pub fn produce_block(
+    pub async fn produce_block(
         &self,
         slot: Slot,
         randao_reveal: Signature,
-    ) -> impl Future<Item = BeaconBlock<E>, Error = Error> {
+    ) -> Result<BeaconBlock<E>, Error> {
         let client = self.0.clone();
-        self.url("block").into_future().and_then(move |url| {
-            client.json_get::<BeaconBlock<E>>(
+        let url = self.url("block")?;
+        client
+            .json_get::<BeaconBlock<E>>(
                 url,
                 vec![
                     ("slot".into(), format!("{}", slot.as_u64())),
                     ("randao_reveal".into(), as_ssz_hex_string(&randao_reveal)),
                 ],
             )
-        })
+            .await
     }
 
     /// Subscribes a list of validators to particular slots for attestation production/publication.
-    pub fn subscribe(
+    pub async fn subscribe(
         &self,
         subscriptions: Vec<ValidatorSubscription>,
-    ) -> impl Future<Item = PublishStatus, Error = Error> {
+    ) -> Result<PublishStatus, Error> {
         let client = self.0.clone();
-        self.url("subscribe")
-            .into_future()
-            .and_then(move |url| client.json_post::<_>(url, subscriptions))
-            .and_then(|mut response| {
-                response
-                    .text()
-                    .map(|text| (response, text))
-                    .map_err(Error::from)
-            })
-            .and_then(|(response, text)| match response.status() {
-                StatusCode::OK => Ok(PublishStatus::Valid),
-                StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(text)),
-                _ => response
-                    .error_for_status()
-                    .map_err(Error::from)
-                    .map(|_| PublishStatus::Unknown),
-            })
+        let url = self.url("subscribe")?;
+        let response = client.json_post::<_>(url, subscriptions).await?;
+
+        match response.status() {
+            StatusCode::OK => Ok(PublishStatus::Valid),
+            StatusCode::ACCEPTED => Ok(PublishStatus::Invalid(
+                response.text().await.map_err(Error::from)?,
+            )),
+            _ => response
+                .error_for_status()
+                .map_err(Error::from)
+                .map(|_| PublishStatus::Unknown),
+        }
     }
 }
 
@@ -386,120 +362,116 @@ impl<E: EthSpec> Beacon<E> {
     }
 
     /// Returns the genesis time.
-    pub fn get_genesis_time(&self) -> impl Future<Item = u64, Error = Error> {
+    pub async fn get_genesis_time(&self) -> Result<u64, Error> {
         let client = self.0.clone();
-        self.url("genesis_time")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("genesis_time")?;
+        client.json_get(url, vec![]).await
     }
 
     /// Returns the genesis validators root.
-    pub fn get_genesis_validators_root(&self) -> impl Future<Item = Hash256, Error = Error> {
+    pub async fn get_genesis_validators_root(&self) -> Result<Hash256, Error> {
         let client = self.0.clone();
-        self.url("genesis_validators_root")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("genesis_validators_root")?;
+        client.json_get(url, vec![]).await
     }
 
     /// Returns the fork at the head of the beacon chain.
-    pub fn get_fork(&self) -> impl Future<Item = Fork, Error = Error> {
+    pub async fn get_fork(&self) -> Result<Fork, Error> {
         let client = self.0.clone();
-        self.url("fork")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("fork")?;
+        client.json_get(url, vec![]).await
     }
 
     /// Returns info about the head of the canonical beacon chain.
-    pub fn get_head(&self) -> impl Future<Item = CanonicalHeadResponse, Error = Error> {
+    pub async fn get_head(&self) -> Result<CanonicalHeadResponse, Error> {
         let client = self.0.clone();
-        self.url("head")
-            .into_future()
-            .and_then(move |url| client.json_get::<CanonicalHeadResponse>(url, vec![]))
+        let url = self.url("head")?;
+        client.json_get::<CanonicalHeadResponse>(url, vec![]).await
     }
 
     /// Returns the set of known beacon chain head blocks. One of these will be the canonical head.
-    pub fn get_heads(&self) -> impl Future<Item = Vec<HeadBeaconBlock>, Error = Error> {
+    pub async fn get_heads(&self) -> Result<Vec<HeadBeaconBlock>, Error> {
         let client = self.0.clone();
-        self.url("heads")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("heads")?;
+        client.json_get(url, vec![]).await
     }
 
     /// Returns the block and block root at the given slot.
-    pub fn get_block_by_slot(
+    pub async fn get_block_by_slot(
         &self,
         slot: Slot,
-    ) -> impl Future<Item = (SignedBeaconBlock<E>, Hash256), Error = Error> {
+    ) -> Result<(SignedBeaconBlock<E>, Hash256), Error> {
         self.get_block("slot".to_string(), format!("{}", slot.as_u64()))
+            .await
     }
 
     /// Returns the block and block root at the given root.
-    pub fn get_block_by_root(
+    pub async fn get_block_by_root(
         &self,
         root: Hash256,
-    ) -> impl Future<Item = (SignedBeaconBlock<E>, Hash256), Error = Error> {
+    ) -> Result<(SignedBeaconBlock<E>, Hash256), Error> {
         self.get_block("root".to_string(), root_as_string(root))
+            .await
     }
 
     /// Returns the block and block root at the given slot.
-    fn get_block(
+    async fn get_block(
         &self,
         query_key: String,
         query_param: String,
-    ) -> impl Future<Item = (SignedBeaconBlock<E>, Hash256), Error = Error> {
+    ) -> Result<(SignedBeaconBlock<E>, Hash256), Error> {
         let client = self.0.clone();
-        self.url("block")
-            .into_future()
-            .and_then(move |url| {
-                client.json_get::<BlockResponse<E>>(url, vec![(query_key, query_param)])
-            })
+        let url = self.url("block")?;
+        client
+            .json_get::<BlockResponse<E>>(url, vec![(query_key, query_param)])
+            .await
             .map(|response| (response.beacon_block, response.root))
     }
 
     /// Returns the state and state root at the given slot.
-    pub fn get_state_by_slot(
-        &self,
-        slot: Slot,
-    ) -> impl Future<Item = (BeaconState<E>, Hash256), Error = Error> {
+    pub async fn get_state_by_slot(&self, slot: Slot) -> Result<(BeaconState<E>, Hash256), Error> {
         self.get_state("slot".to_string(), format!("{}", slot.as_u64()))
+            .await
     }
 
     /// Returns the state and state root at the given root.
-    pub fn get_state_by_root(
+    pub async fn get_state_by_root(
         &self,
         root: Hash256,
-    ) -> impl Future<Item = (BeaconState<E>, Hash256), Error = Error> {
+    ) -> Result<(BeaconState<E>, Hash256), Error> {
         self.get_state("root".to_string(), root_as_string(root))
+            .await
     }
 
     /// Returns the root of the state at the given slot.
-    pub fn get_state_root(&self, slot: Slot) -> impl Future<Item = Hash256, Error = Error> {
+    pub async fn get_state_root(&self, slot: Slot) -> Result<Hash256, Error> {
         let client = self.0.clone();
-        self.url("state_root").into_future().and_then(move |url| {
-            client.json_get(url, vec![("slot".into(), format!("{}", slot.as_u64()))])
-        })
+        let url = self.url("state_root")?;
+        client
+            .json_get(url, vec![("slot".into(), format!("{}", slot.as_u64()))])
+            .await
     }
 
     /// Returns the root of the block at the given slot.
-    pub fn get_block_root(&self, slot: Slot) -> impl Future<Item = Hash256, Error = Error> {
+    pub async fn get_block_root(&self, slot: Slot) -> Result<Hash256, Error> {
         let client = self.0.clone();
-        self.url("block_root").into_future().and_then(move |url| {
-            client.json_get(url, vec![("slot".into(), format!("{}", slot.as_u64()))])
-        })
+        let url = self.url("block_root")?;
+        client
+            .json_get(url, vec![("slot".into(), format!("{}", slot.as_u64()))])
+            .await
     }
 
     /// Returns the state and state root at the given slot.
-    fn get_state(
+    async fn get_state(
         &self,
         query_key: String,
         query_param: String,
-    ) -> impl Future<Item = (BeaconState<E>, Hash256), Error = Error> {
+    ) -> Result<(BeaconState<E>, Hash256), Error> {
         let client = self.0.clone();
-        self.url("state")
-            .into_future()
-            .and_then(move |url| {
-                client.json_get::<StateResponse<E>>(url, vec![(query_key, query_param)])
-            })
+        let url = self.url("state")?;
+        client
+            .json_get::<StateResponse<E>>(url, vec![(query_key, query_param)])
+            .await
             .map(|response| (response.beacon_state, response.root))
     }
 
@@ -507,11 +479,11 @@ impl<E: EthSpec> Beacon<E> {
     ///
     /// If `state_root` is `Some`, the query will use the given state instead of the default
     /// canonical head state.
-    pub fn get_validators(
+    pub async fn get_validators(
         &self,
         validator_pubkeys: Vec<PublicKey>,
         state_root: Option<Hash256>,
-    ) -> impl Future<Item = Vec<ValidatorResponse>, Error = Error> {
+    ) -> Result<Vec<ValidatorResponse>, Error> {
         let client = self.0.clone();
 
         let bulk_request = ValidatorRequest {
@@ -522,21 +494,20 @@ impl<E: EthSpec> Beacon<E> {
                 .collect(),
         };
 
-        self.url("validators")
-            .into_future()
-            .and_then(move |url| client.json_post::<_>(url, bulk_request))
-            .and_then(|response| error_for_status(response).map_err(Error::from))
-            .and_then(|mut success| success.json().map_err(Error::from))
+        let url = self.url("validators")?;
+        let response = client.json_post::<_>(url, bulk_request).await?;
+        let success = error_for_status(response).await.map_err(Error::from)?;
+        success.json().await.map_err(Error::from)
     }
 
     /// Returns all validators.
     ///
     /// If `state_root` is `Some`, the query will use the given state instead of the default
     /// canonical head state.
-    pub fn get_all_validators(
+    pub async fn get_all_validators(
         &self,
         state_root: Option<Hash256>,
-    ) -> impl Future<Item = Vec<ValidatorResponse>, Error = Error> {
+    ) -> Result<Vec<ValidatorResponse>, Error> {
         let client = self.0.clone();
 
         let query_params = if let Some(state_root) = state_root {
@@ -545,19 +516,18 @@ impl<E: EthSpec> Beacon<E> {
             vec![]
         };
 
-        self.url("validators/all")
-            .into_future()
-            .and_then(move |url| client.json_get(url, query_params))
+        let url = self.url("validators/all")?;
+        client.json_get(url, query_params).await
     }
 
     /// Returns the active validators.
     ///
     /// If `state_root` is `Some`, the query will use the given state instead of the default
     /// canonical head state.
-    pub fn get_active_validators(
+    pub async fn get_active_validators(
         &self,
         state_root: Option<Hash256>,
-    ) -> impl Future<Item = Vec<ValidatorResponse>, Error = Error> {
+    ) -> Result<Vec<ValidatorResponse>, Error> {
         let client = self.0.clone();
 
         let query_params = if let Some(state_root) = state_root {
@@ -566,53 +536,42 @@ impl<E: EthSpec> Beacon<E> {
             vec![]
         };
 
-        self.url("validators/active")
-            .into_future()
-            .and_then(move |url| client.json_get(url, query_params))
+        let url = self.url("validators/active")?;
+        client.json_get(url, query_params).await
     }
 
     /// Returns committees at the given epoch.
-    pub fn get_committees(
-        &self,
-        epoch: Epoch,
-    ) -> impl Future<Item = Vec<Committee>, Error = Error> {
+    pub async fn get_committees(&self, epoch: Epoch) -> Result<Vec<Committee>, Error> {
         let client = self.0.clone();
 
-        self.url("committees").into_future().and_then(move |url| {
-            client.json_get(url, vec![("epoch".into(), format!("{}", epoch.as_u64()))])
-        })
+        let url = self.url("committees")?;
+        client
+            .json_get(url, vec![("epoch".into(), format!("{}", epoch.as_u64()))])
+            .await
     }
 
-    pub fn proposer_slashing(
+    pub async fn proposer_slashing(
         &self,
         proposer_slashing: ProposerSlashing,
-    ) -> impl Future<Item = bool, Error = Error> {
+    ) -> Result<bool, Error> {
         let client = self.0.clone();
 
-        self.url("proposer_slashing")
-            .into_future()
-            .and_then(move |url| {
-                client
-                    .json_post::<_>(url, proposer_slashing)
-                    .and_then(|response| error_for_status(response).map_err(Error::from))
-                    .and_then(|mut success| success.json().map_err(Error::from))
-            })
+        let url = self.url("proposer_slashing")?;
+        let response = client.json_post::<_>(url, proposer_slashing).await?;
+        let success = error_for_status(response).await.map_err(Error::from)?;
+        success.json().await.map_err(Error::from)
     }
 
-    pub fn attester_slashing(
+    pub async fn attester_slashing(
         &self,
         attester_slashing: AttesterSlashing<E>,
-    ) -> impl Future<Item = bool, Error = Error> {
+    ) -> Result<bool, Error> {
         let client = self.0.clone();
 
-        self.url("attester_slashing")
-            .into_future()
-            .and_then(move |url| {
-                client
-                    .json_post::<_>(url, attester_slashing)
-                    .and_then(|response| error_for_status(response).map_err(Error::from))
-                    .and_then(|mut success| success.json().map_err(Error::from))
-            })
+        let url = self.url("attester_slashing")?;
+        let response = client.json_post::<_>(url, attester_slashing).await?;
+        let success = error_for_status(response).await.map_err(Error::from)?;
+        success.json().await.map_err(Error::from)
     }
 }
 
@@ -628,11 +587,10 @@ impl<E: EthSpec> Spec<E> {
             .map_err(Into::into)
     }
 
-    pub fn get_eth2_config(&self) -> impl Future<Item = Eth2Config, Error = Error> {
+    pub async fn get_eth2_config(&self) -> Result<Eth2Config, Error> {
         let client = self.0.clone();
-        self.url("eth2_config")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("eth2_config")?;
+        client.json_get(url, vec![]).await
     }
 }
 
@@ -648,11 +606,10 @@ impl<E: EthSpec> Node<E> {
             .map_err(Into::into)
     }
 
-    pub fn get_version(&self) -> impl Future<Item = String, Error = Error> {
+    pub async fn get_version(&self) -> Result<String, Error> {
         let client = self.0.clone();
-        self.url("version")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("version")?;
+        client.json_get(url, vec![]).await
     }
 }
 
@@ -669,21 +626,17 @@ impl<E: EthSpec> Advanced<E> {
     }
 
     /// Gets the core `ProtoArray` struct from the node.
-    pub fn get_fork_choice(&self) -> impl Future<Item = ProtoArray, Error = Error> {
+    pub async fn get_fork_choice(&self) -> Result<ProtoArray, Error> {
         let client = self.0.clone();
-        self.url("fork_choice")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("fork_choice")?;
+        client.json_get(url, vec![]).await
     }
 
     /// Gets the core `PersistedOperationPool` struct from the node.
-    pub fn get_operation_pool(
-        &self,
-    ) -> impl Future<Item = PersistedOperationPool<E>, Error = Error> {
+    pub async fn get_operation_pool(&self) -> Result<PersistedOperationPool<E>, Error> {
         let client = self.0.clone();
-        self.url("operation_pool")
-            .into_future()
-            .and_then(move |url| client.json_get(url, vec![]))
+        let url = self.url("operation_pool")?;
+        client.json_get(url, vec![]).await
     }
 }
 
@@ -700,31 +653,26 @@ impl<E: EthSpec> Consensus<E> {
     }
 
     /// Gets a `IndividualVote` for each of the given `pubkeys`.
-    pub fn get_individual_votes(
+    pub async fn get_individual_votes(
         &self,
         epoch: Epoch,
         pubkeys: Vec<PublicKeyBytes>,
-    ) -> impl Future<Item = IndividualVotesResponse, Error = Error> {
+    ) -> Result<IndividualVotesResponse, Error> {
         let client = self.0.clone();
         let req_body = IndividualVotesRequest { epoch, pubkeys };
 
-        self.url("individual_votes")
-            .into_future()
-            .and_then(move |url| client.json_post::<_>(url, req_body))
-            .and_then(|response| error_for_status(response).map_err(Error::from))
-            .and_then(|mut success| success.json().map_err(Error::from))
+        let url = self.url("individual_votes")?;
+        let response = client.json_post::<_>(url, req_body).await?;
+        let success = error_for_status(response).await.map_err(Error::from)?;
+        success.json().await.map_err(Error::from)
     }
 
     /// Gets a `VoteCount` for the given `epoch`.
-    pub fn get_vote_count(
-        &self,
-        epoch: Epoch,
-    ) -> impl Future<Item = IndividualVotesResponse, Error = Error> {
+    pub async fn get_vote_count(&self, epoch: Epoch) -> Result<IndividualVotesResponse, Error> {
         let client = self.0.clone();
         let query_params = vec![("epoch".into(), format!("{}", epoch.as_u64()))];
-        self.url("vote_count")
-            .into_future()
-            .and_then(move |url| client.json_get(url, query_params))
+        let url = self.url("vote_count")?;
+        client.json_get(url, query_params).await
     }
 }
 
diff --git a/lcli/src/deploy_deposit_contract.rs b/lcli/src/deploy_deposit_contract.rs
index e00f568010..91faaf1ae5 100644
--- a/lcli/src/deploy_deposit_contract.rs
+++ b/lcli/src/deploy_deposit_contract.rs
@@ -1,5 +1,4 @@
 use clap::ArgMatches;
-use environment::Environment;
 use eth1_test_rig::DepositContract;
 use futures::compat::Future01CompatExt;
 use std::fs::File;
@@ -7,7 +6,7 @@ use std::io::Read;
 use types::EthSpec;
 use web3::{transports::Http, Web3};
 
-pub async fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<(), String> {
+pub async fn run<T: EthSpec>(matches: &ArgMatches<'_>) -> Result<(), String> {
     let confirmations = matches
         .value_of("confirmations")
         .ok_or_else(|| "Confirmations not specified")?
diff --git a/lcli/src/main.rs b/lcli/src/main.rs
index 7708bd4a08..ce756dfdfa 100644
--- a/lcli/src/main.rs
+++ b/lcli/src/main.rs
@@ -455,11 +455,9 @@ async fn run<T: EthSpec>(env_builder: EnvironmentBuilder<T>, matches: &ArgMatche
             .unwrap_or_else(|e| error!("Failed to transition blocks: {}", e)),
         ("pretty-hex", Some(matches)) => run_parse_hex::<T>(matches)
             .unwrap_or_else(|e| error!("Failed to pretty print hex: {}", e)),
-        ("deploy-deposit-contract", Some(matches)) => {
-            deploy_deposit_contract::run::<T>(env, matches)
-                .await
-                .unwrap_or_else(|e| error!("Failed to run deploy-deposit-contract command: {}", e))
-        }
+        ("deploy-deposit-contract", Some(matches)) => deploy_deposit_contract::run::<T>(matches)
+            .await
+            .unwrap_or_else(|e| error!("Failed to run deploy-deposit-contract command: {}", e)),
         ("refund-deposit-contract", Some(matches)) => {
             refund_deposit_contract::run::<T>(env, matches)
                 .await