diff --git a/Cargo.lock b/Cargo.lock
index bcd59e4ec9..6e2dbebbb8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
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+ "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
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@@ -2247,34 +2118,34 @@ name = "libp2p-core"
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 ]
 
 [[package]]
@@ -2282,8 +2153,8 @@ name = "libp2p-core-derive"
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+ "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2291,10 +2162,10 @@ name = "libp2p-deflate"
 version = "0.5.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
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 ]
 
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@@ -2302,30 +2173,30 @@ name = "libp2p-discv5"
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+ "zeroize 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2333,10 +2204,10 @@ name = "libp2p-dns"
 version = "0.13.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
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- "libp2p-core",
- "log 0.4.8",
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 ]
 
 [[package]]
@@ -2344,17 +2215,17 @@ name = "libp2p-floodsub"
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 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
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 ]
 
 [[package]]
@@ -2362,24 +2233,24 @@ name = "libp2p-gossipsub"
 version = "0.1.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
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 ]
 
 [[package]]
@@ -2387,18 +2258,18 @@ name = "libp2p-identify"
 version = "0.13.2"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
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 ]
 
 [[package]]
@@ -2406,26 +2277,26 @@ name = "libp2p-kad"
 version = "0.13.2"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
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+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "parity-multihash 0.2.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
+ "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)",
+ "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)",
+ "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)",
 ]
 
 [[package]]
@@ -2433,21 +2304,21 @@ name = "libp2p-mdns"
 version = "0.13.1"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "data-encoding",
- "dns-parser",
- "futures 0.1.29",
- "libp2p-core",
- "libp2p-swarm",
- "log 0.4.8",
- "net2",
- "parity-multiaddr",
- "rand 0.6.5",
- "smallvec 0.6.13",
- "tokio-io",
- "tokio-reactor",
- "tokio-udp",
- "void",
- "wasm-timer",
+ "data-encoding 2.1.2 (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)",
+ "libp2p-swarm 0.3.0 (git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97)",
+ "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)",
+ "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)",
+ "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)",
 ]
 
 [[package]]
@@ -2455,15 +2326,15 @@ name = "libp2p-mplex"
 version = "0.13.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "bytes 0.4.12",
- "fnv",
- "futures 0.1.29",
- "libp2p-core",
- "log 0.4.8",
- "parking_lot 0.9.0",
- "tokio-codec",
- "tokio-io",
- "unsigned-varint",
+ "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)",
+ "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)",
+ "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2471,19 +2342,19 @@ name = "libp2p-noise"
 version = "0.11.1"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "bytes 0.4.12",
- "curve25519-dalek 1.2.3",
- "futures 0.1.29",
- "lazy_static",
- "libp2p-core",
- "log 0.4.8",
- "protobuf",
- "rand 0.7.3",
- "ring",
- "snow",
- "tokio-io",
- "x25519-dalek",
- "zeroize 1.1.0",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.2.3 (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)",
+ "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)",
+ "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)",
+ "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)",
+ "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)",
 ]
 
 [[package]]
@@ -2491,16 +2362,16 @@ name = "libp2p-ping"
 version = "0.13.1"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
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- "futures 0.1.29",
- "libp2p-core",
- "libp2p-swarm",
- "log 0.4.8",
- "parity-multiaddr",
- "rand 0.7.3",
- "tokio-io",
- "void",
- "wasm-timer",
+ "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)",
+ "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)",
+ "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)",
+ "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)",
 ]
 
 [[package]]
@@ -2508,14 +2379,14 @@ name = "libp2p-plaintext"
 version = "0.13.1"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "bytes 0.4.12",
- "futures 0.1.29",
- "libp2p-core",
- "log 0.4.8",
- "protobuf",
- "rw-stream-sink",
- "tokio-io",
- "void",
+ "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)",
+ "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)",
+ "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)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2523,28 +2394,28 @@ name = "libp2p-secio"
 version = "0.13.1"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
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- "bytes 0.4.12",
- "ctr",
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- "hmac",
- "js-sys",
- "lazy_static",
- "libp2p-core",
- "log 0.4.8",
- "parity-send-wrapper",
- "protobuf",
- "rand 0.6.5",
- "ring",
- "rw-stream-sink",
- "sha2",
- "tokio-codec",
- "tokio-io",
- "twofish",
- "untrusted",
- "wasm-bindgen",
- "wasm-bindgen-futures 0.3.27",
- "web-sys",
+ "aes-ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "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)",
+ "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)",
+ "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)",
+ "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-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)",
 ]
 
 [[package]]
@@ -2552,12 +2423,12 @@ name = "libp2p-swarm"
 version = "0.3.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "futures 0.1.29",
- "libp2p-core",
- "smallvec 0.6.13",
- "tokio-io",
- "void",
- "wasm-timer",
+ "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)",
+ "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)",
 ]
 
 [[package]]
@@ -2565,15 +2436,15 @@ name = "libp2p-tcp"
 version = "0.13.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "bytes 0.4.12",
- "futures 0.1.29",
- "get_if_addrs",
- "ipnet",
- "libp2p-core",
- "log 0.4.8",
- "tokio-io",
- "tokio-tcp",
- "tokio-timer 0.2.13",
+ "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)",
+ "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)",
 ]
 
 [[package]]
@@ -2581,10 +2452,10 @@ name = "libp2p-uds"
 version = "0.13.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "futures 0.1.29",
- "libp2p-core",
- "log 0.4.8",
- "tokio-uds 0.2.6",
+ "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)",
 ]
 
 [[package]]
@@ -2592,13 +2463,13 @@ name = "libp2p-wasm-ext"
 version = "0.6.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "futures 0.1.29",
- "js-sys",
- "libp2p-core",
- "parity-send-wrapper",
- "tokio-io",
- "wasm-bindgen",
- "wasm-bindgen-futures 0.3.27",
+ "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)",
+ "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)",
+ "wasm-bindgen-futures 0.3.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2606,17 +2477,17 @@ name = "libp2p-websocket"
 version = "0.13.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "bytes 0.4.12",
- "futures 0.1.29",
- "libp2p-core",
- "log 0.4.8",
- "rw-stream-sink",
- "soketto",
- "tokio-codec",
- "tokio-io",
- "tokio-rustls",
- "url 2.1.1",
- "webpki-roots",
+ "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)",
+ "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)",
+ "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-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)",
 ]
 
 [[package]]
@@ -2624,320 +2495,300 @@ name = "libp2p-yamux"
 version = "0.13.0"
 source = "git+https://github.com/SigP/rust-libp2p?rev=4e3003d5283040fee10da1299252dd060a838d97#4e3003d5283040fee10da1299252dd060a838d97"
 dependencies = [
- "futures 0.1.29",
- "libp2p-core",
- "log 0.4.8",
- "tokio-io",
- "yamux",
+ "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)",
+ "yamux 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "libsecp256k1"
-version = "0.3.5"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fc1e2c808481a63dc6da2074752fdd4336a3c8fcc68b83db6f1fd5224ae7962"
 dependencies = [
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- "digest",
- "hmac-drbg",
- "rand 0.7.3",
- "sha2",
- "subtle 2.2.2",
- "typenum",
+ "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crunchy 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "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)",
 ]
 
 [[package]]
 name = "libz-sys"
 version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
 dependencies = [
- "cc",
- "libc",
- "pkg-config",
- "vcpkg",
+ "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)",
+ "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)",
 ]
 
 [[package]]
 name = "lighthouse"
 version = "0.2.0"
 dependencies = [
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diff --git a/lcli/Cargo.toml b/lcli/Cargo.toml
index 507390f262..43d2743d5a 100644
--- a/lcli/Cargo.toml
+++ b/lcli/Cargo.toml
@@ -19,7 +19,7 @@ state_processing = { path = "../eth2/state_processing" }
 eth2_ssz = "0.1.2"
 regex = "1.3.1"
 eth1_test_rig = { path = "../tests/eth1_test_rig" }
-futures = "0.1.25"
+futures = {version = "0.3", features = ["compat"]}
 environment = { path = "../lighthouse/environment" }
 web3 = "0.8.0"
 eth2_testnet_config = { path = "../eth2/utils/eth2_testnet_config" }
@@ -27,3 +27,4 @@ dirs = "2.0"
 genesis = { path = "../beacon_node/genesis" }
 deposit_contract = { path = "../eth2/utils/deposit_contract" }
 tree_hash = { path = "../eth2/utils/tree_hash" }
+tokio = { version = "0.3", features = ["full"] }
diff --git a/lcli/src/deploy_deposit_contract.rs b/lcli/src/deploy_deposit_contract.rs
index 095da6b66d..e00f568010 100644
--- a/lcli/src/deploy_deposit_contract.rs
+++ b/lcli/src/deploy_deposit_contract.rs
@@ -1,12 +1,13 @@
 use clap::ArgMatches;
 use environment::Environment;
 use eth1_test_rig::DepositContract;
+use futures::compat::Future01CompatExt;
 use std::fs::File;
 use std::io::Read;
 use types::EthSpec;
 use web3::{transports::Http, Web3};
 
-pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<(), String> {
+pub async fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<(), String> {
     let confirmations = matches
         .value_of("confirmations")
         .ok_or_else(|| "Confirmations not specified")?
@@ -32,9 +33,11 @@ pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<
     //
     // We only need the deposit block to put a lower bound on the block number we need to search
     // for deposit logs.
-    let deploy_block = env
-        .runtime()
-        .block_on(web3.eth().block_number())
+    let deploy_block = web3
+        .eth()
+        .block_number()
+        .compat()
+        .await
         .map_err(|e| format!("Failed to get block number: {}", e))?;
 
     info!("Present eth1 block number is {}", deploy_block);
@@ -46,13 +49,8 @@ pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<
         confirmations
     );
 
-    let deposit_contract = env
-        .runtime()
-        .block_on(DepositContract::deploy_testnet(
-            web3,
-            confirmations,
-            password,
-        ))
+    let deposit_contract = DepositContract::deploy_testnet(web3, confirmations, password)
+        .await
         .map_err(|e| format!("Failed to deploy contract: {}", e))?;
 
     info!(
diff --git a/lcli/src/eth1_genesis.rs b/lcli/src/eth1_genesis.rs
index 4b06d2c11b..d34f9e32bb 100644
--- a/lcli/src/eth1_genesis.rs
+++ b/lcli/src/eth1_genesis.rs
@@ -1,7 +1,6 @@
 use clap::ArgMatches;
 use environment::Environment;
 use eth2_testnet_config::Eth2TestnetConfig;
-use futures::Future;
 use genesis::{Eth1Config, Eth1GenesisService};
 use std::path::PathBuf;
 use std::time::Duration;
@@ -10,7 +9,10 @@ use types::EthSpec;
 /// Interval between polling the eth1 node for genesis information.
 pub const ETH1_GENESIS_UPDATE_INTERVAL: Duration = Duration::from_millis(7_000);
 
-pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<(), String> {
+pub async fn run<T: EthSpec>(
+    mut env: Environment<T>,
+    matches: &ArgMatches<'_>,
+) -> Result<(), String> {
     let endpoint = matches
         .value_of("eth1-endpoint")
         .ok_or_else(|| "eth1-endpoint not specified")?;
@@ -49,19 +51,17 @@ pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<
 
     let genesis_service = Eth1GenesisService::new(config, env.core_context().log.clone());
 
-    let future = genesis_service
+    let _ = genesis_service
         .wait_for_genesis_state(ETH1_GENESIS_UPDATE_INTERVAL, spec)
+        .await
         .map(move |genesis_state| {
             eth2_testnet_config.genesis_state = Some(genesis_state);
             eth2_testnet_config.force_write_to_file(testnet_dir)
-        });
+        })
+        .map_err(|e| format!("Failed to find genesis: {}", e))?;
 
     info!("Starting service to produce genesis BeaconState from eth1");
     info!("Connecting to eth1 http endpoint: {}", endpoint);
 
-    env.runtime()
-        .block_on(future)
-        .map_err(|e| format!("Failed to find genesis: {}", e))??;
-
     Ok(())
 }
diff --git a/lcli/src/main.rs b/lcli/src/main.rs
index cc28832591..7708bd4a08 100644
--- a/lcli/src/main.rs
+++ b/lcli/src/main.rs
@@ -22,7 +22,8 @@ use std::time::{SystemTime, UNIX_EPOCH};
 use transition_blocks::run_transition_blocks;
 use types::{test_utils::TestingBeaconStateBuilder, EthSpec, MainnetEthSpec, MinimalEthSpec};
 
-fn main() {
+#[tokio::main]
+async fn main() {
     simple_logger::init_with_level(Level::Info).expect("logger should initialize");
 
     let matches = App::new("Lighthouse CLI Tool")
@@ -393,9 +394,9 @@ fn main() {
     }
 
     match matches.value_of("spec") {
-        Some("minimal") => run_with_spec!(EnvironmentBuilder::minimal()),
-        Some("mainnet") => run_with_spec!(EnvironmentBuilder::mainnet()),
-        Some("interop") => run_with_spec!(EnvironmentBuilder::interop()),
+        Some("minimal") => run_with_spec!(EnvironmentBuilder::minimal()).await,
+        Some("mainnet") => run_with_spec!(EnvironmentBuilder::mainnet()).await,
+        Some("interop") => run_with_spec!(EnvironmentBuilder::interop()).await,
         spec => {
             // This path should be unreachable due to slog having a `default_value`
             unreachable!("Unknown spec configuration: {:?}", spec);
@@ -403,7 +404,7 @@ fn main() {
     }
 }
 
-fn run<T: EthSpec>(env_builder: EnvironmentBuilder<T>, matches: &ArgMatches) {
+async fn run<T: EthSpec>(env_builder: EnvironmentBuilder<T>, matches: &ArgMatches<'_>) {
     let env = env_builder
         .multi_threaded_tokio_runtime()
         .expect("should start tokio runtime")
@@ -456,13 +457,16 @@ fn run<T: EthSpec>(env_builder: EnvironmentBuilder<T>, matches: &ArgMatches) {
             .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))
         }
         ("refund-deposit-contract", Some(matches)) => {
             refund_deposit_contract::run::<T>(env, matches)
+                .await
                 .unwrap_or_else(|e| error!("Failed to run refund-deposit-contract command: {}", e))
         }
         ("eth1-genesis", Some(matches)) => eth1_genesis::run::<T>(env, matches)
+            .await
             .unwrap_or_else(|e| error!("Failed to run eth1-genesis command: {}", e)),
         ("interop-genesis", Some(matches)) => interop_genesis::run::<T>(env, matches)
             .unwrap_or_else(|e| error!("Failed to run interop-genesis command: {}", e)),
diff --git a/lcli/src/refund_deposit_contract.rs b/lcli/src/refund_deposit_contract.rs
index d413b7f5ce..fb085ba707 100644
--- a/lcli/src/refund_deposit_contract.rs
+++ b/lcli/src/refund_deposit_contract.rs
@@ -2,7 +2,7 @@ use crate::deploy_deposit_contract::parse_password;
 use clap::ArgMatches;
 use environment::Environment;
 use eth2_testnet_config::Eth2TestnetConfig;
-use futures::{future, Future};
+use futures::compat::Future01CompatExt;
 use std::path::PathBuf;
 use types::EthSpec;
 use web3::{
@@ -14,7 +14,7 @@ use web3::{
 /// `keccak("steal()")[0..4]`
 pub const STEAL_FN_SIGNATURE: &[u8] = &[0xcf, 0x7a, 0x89, 0x65];
 
-pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<(), String> {
+pub async fn run<T: EthSpec>(_env: Environment<T>, matches: &ArgMatches<'_>) -> Result<(), String> {
     let endpoint = matches
         .value_of("eth1-endpoint")
         .ok_or_else(|| "eth1-endpoint not specified")?;
@@ -46,8 +46,7 @@ pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<
         )
     })?;
 
-    let web3_1 = Web3::new(transport);
-    let web3_2 = web3_1.clone();
+    let web3 = Web3::new(transport);
 
     // Convert from `types::Address` to `web3::types::Address`.
     let deposit_contract = Address::from_slice(
@@ -56,61 +55,56 @@ pub fn run<T: EthSpec>(mut env: Environment<T>, matches: &ArgMatches) -> Result<
             .as_fixed_bytes(),
     );
 
-    let future = web3_1
+    let from_address = web3
         .eth()
         .accounts()
+        .compat()
+        .await
         .map_err(|e| format!("Failed to get accounts: {:?}", e))
-        .and_then(move |accounts| {
+        .and_then(|accounts| {
             accounts
                 .get(account_index)
                 .cloned()
                 .ok_or_else(|| "Insufficient accounts for deposit".to_string())
-        })
-        .and_then(move |from_address| {
-            let future: Box<dyn Future<Item = Address, Error = String> + Send> =
-                if let Some(password) = password_opt {
-                    // Unlock for only a single transaction.
-                    let duration = None;
+        })?;
 
-                    let future = web3_1
-                        .personal()
-                        .unlock_account(from_address, &password, duration)
-                        .then(move |result| match result {
-                            Ok(true) => Ok(from_address),
-                            Ok(false) => Err("Eth1 node refused to unlock account".to_string()),
-                            Err(e) => Err(format!("Eth1 unlock request failed: {:?}", e)),
-                        });
+    let from = if let Some(password) = password_opt {
+        // Unlock for only a single transaction.
+        let duration = None;
 
-                    Box::new(future)
-                } else {
-                    Box::new(future::ok(from_address))
-                };
+        let result = web3
+            .personal()
+            .unlock_account(from_address, &password, duration)
+            .compat()
+            .await;
+        match result {
+            Ok(true) => from_address,
+            Ok(false) => return Err("Eth1 node refused to unlock account".to_string()),
+            Err(e) => return Err(format!("Eth1 unlock request failed: {:?}", e)),
+        }
+    } else {
+        from_address
+    };
 
-            future
-        })
-        .and_then(move |from| {
-            let tx_request = TransactionRequest {
-                from,
-                to: Some(deposit_contract),
-                gas: Some(U256::from(400_000)),
-                gas_price: None,
-                value: Some(U256::zero()),
-                data: Some(STEAL_FN_SIGNATURE.into()),
-                nonce: None,
-                condition: None,
-            };
+    let tx_request = TransactionRequest {
+        from,
+        to: Some(deposit_contract),
+        gas: Some(U256::from(400_000)),
+        gas_price: None,
+        value: Some(U256::zero()),
+        data: Some(STEAL_FN_SIGNATURE.into()),
+        nonce: None,
+        condition: None,
+    };
 
-            web3_2
-                .eth()
-                .send_transaction(tx_request)
-                .map_err(|e| format!("Failed to call deposit fn: {:?}", e))
-        })
-        .map(move |tx| info!("Refund transaction submitted: eth1_tx_hash: {:?}", tx))
-        .map_err(move |e| error!("Unable to submit refund transaction: error: {}", e));
+    let tx = web3
+        .eth()
+        .send_transaction(tx_request)
+        .compat()
+        .await
+        .map_err(|e| format!("Failed to call deposit fn: {:?}", e))?;
 
-    env.runtime()
-        .block_on(future)
-        .map_err(|()| "Failed to send transaction".to_string())?;
+    info!("Refund transaction submitted: eth1_tx_hash: {:?}", tx);
 
     Ok(())
 }