From df3fb7477011a14414e1752599a7d78aa661ff59 Mon Sep 17 00:00:00 2001
From: Park Juhyung <jh@codechain.io>
Date: Tue, 7 Apr 2020 13:44:27 +0900
Subject: [PATCH] Use tokio

---
 Cargo.lock     | 191 +++++++++++++++++++++++++++++++++----------------
 rpc/Cargo.toml |   1 +
 2 files changed, 131 insertions(+), 61 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index cd11eda9d1..3d2e853d33 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -62,7 +62,7 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 dependencies = [
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -77,6 +77,12 @@ dependencies = [
  "xdg",
 ]
 
+[[package]]
+name = "arc-swap"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d663a8e9a99154b5fb793032533f6328da35e23aac63d5c152279aa8ba356825"
+
 [[package]]
 name = "arrayvec"
 version = "0.4.7"
@@ -94,7 +100,7 @@ checksum = "2fc4a1aa4c24c0718a250f0681885c1af91419d242f29eb8f2ab28502d80dbd1"
 dependencies = [
  "libc",
  "termion",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -113,7 +119,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "rustc-demangle",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -228,6 +234,12 @@ dependencies = [
  "iovec",
 ]
 
+[[package]]
+name = "bytes"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "130aac562c0dd69c56b3b1cc8ffd2e17be31d0b6c25b61c96b76231aa23e39e1"
+
 [[package]]
 name = "c2-chacha"
 version = "0.2.2"
@@ -569,6 +581,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "time",
+ "tokio 0.2.16",
 ]
 
 [[package]]
@@ -822,7 +835,7 @@ dependencies = [
  "openssl-sys",
  "pkg-config",
  "vcpkg",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -981,7 +994,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "redox_syscall",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -1074,7 +1087,7 @@ dependencies = [
  "lazy_static 1.2.0",
  "libc",
  "libloading",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -1099,6 +1112,12 @@ version = "0.1.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2037ec1c6c1c4f79557762eab1f7eae1f64f6cb418ace90fae88f0942b60139"
 
+[[package]]
+name = "futures-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f25592f769825e89b92358db00d26f965761e094951ac44d3663ef25b7ac464a"
+
 [[package]]
 name = "futures-cpupool"
 version = "0.1.8"
@@ -1194,7 +1213,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b53def7bb0253af7718036fe9338c15defd209136819464384f3a553e07481b"
 dependencies = [
  "byteorder",
- "bytes",
+ "bytes 0.4.12",
  "fnv",
  "futures",
  "http",
@@ -1211,7 +1230,7 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1679e6ea370dee694f91f1dc469bf94cf8f52051d147aec3e1f9497c6fc22461"
 dependencies = [
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -1245,7 +1264,7 @@ version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eed324f0f0daf6ec10c474f150505af2c143f251722bf9dbd1261bd1f2ee2c1a"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "fnv",
  "itoa",
 ]
@@ -1290,7 +1309,7 @@ version = "0.12.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1ebec079129e43af5e234ef36ee3d7e6085687d145b7ea653b262d16c6b65f1"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "futures-cpupool",
  "h2",
@@ -1301,7 +1320,7 @@ dependencies = [
  "log 0.4.6",
  "net2",
  "time",
- "tokio",
+ "tokio 0.1.17",
  "tokio-executor",
  "tokio-io",
  "tokio-reactor",
@@ -1317,7 +1336,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a800d6aa50af4b5850b2b0f659625ce9504df908e9733b635720483be26174f"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "hyper 0.12.19",
  "native-tls",
@@ -1360,12 +1379,11 @@ checksum = "141340095b15ed7491bd3d4ced9d20cebfb826174b6bb03386381f62b01e3d77"
 
 [[package]]
 name = "iovec"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
+checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
 dependencies = [
  "libc",
- "winapi 0.2.8",
 ]
 
 [[package]]
@@ -1392,7 +1410,7 @@ version = "14.0.3"
 source = "git+https://github.com/paritytech/jsonrpc.git?tag=v14.0.3#2135c25df57715238f1709365e3ea3bedc88e030"
 dependencies = [
  "proc-macro-crate",
- "proc-macro2 1.0.6",
+ "proc-macro2 1.0.10",
  "quote 1.0.2",
  "syn 1.0.7",
 ]
@@ -1440,12 +1458,12 @@ name = "jsonrpc-server-utils"
 version = "14.0.3"
 source = "git+https://github.com/paritytech/jsonrpc.git?tag=v14.0.3#2135c25df57715238f1709365e3ea3bedc88e030"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "globset",
  "jsonrpc-core",
  "lazy_static 1.2.0",
  "log 0.4.6",
- "tokio",
+ "tokio 0.1.17",
  "tokio-codec",
  "unicase 2.1.0",
 ]
@@ -1564,7 +1582,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2b111a074963af1d37a139918ac6d49ad1d0d5e47f72fd55388619691a7d753"
 dependencies = [
  "cc",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -1730,15 +1748,15 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.6.16"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71646331f2619b1026cc302f87a2b8b648d5c6dd6937846a16cc8ce0f347f432"
+checksum = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
 dependencies = [
+ "cfg-if",
  "fuchsia-zircon",
  "fuchsia-zircon-sys",
  "iovec",
  "kernel32-sys",
- "lazycell",
  "libc",
  "log 0.4.6",
  "miow 0.2.1",
@@ -1768,7 +1786,7 @@ dependencies = [
  "log 0.4.6",
  "mio",
  "miow 0.3.3",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -1801,7 +1819,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "396aa0f2003d7df8395cb93e09871561ccc3e785f0acb369170e8cc74ddf9226"
 dependencies = [
  "socket2",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -1839,7 +1857,7 @@ checksum = "9044faf1413a1057267be51b5afba8eb1090bd2231c693664aa1db716fe1eae0"
 dependencies = [
  "cfg-if",
  "libc",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2013,16 +2031,16 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8281bf4f1d6429573f89589bf68d89451c46750977a8264f8ea3edbabeba7947"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "log 0.4.6",
  "mio-named-pipes",
  "miow 0.3.3",
  "rand 0.7.2",
- "tokio",
+ "tokio 0.1.17",
  "tokio-named-pipes",
  "tokio-uds",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2056,7 +2074,7 @@ dependencies = [
  "rand 0.5.5",
  "rustc_version",
  "smallvec 0.6.4",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2071,7 +2089,7 @@ dependencies = [
  "redox_syscall",
  "rustc_version",
  "smallvec 0.6.4",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2135,6 +2153,12 @@ dependencies = [
  "unicase 1.4.2",
 ]
 
+[[package]]
+name = "pin-project-lite"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "237844750cfbb86f67afe27eee600dfbbcb6188d734139b534cbfbf4f96792ae"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.14"
@@ -2193,9 +2217,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.6"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
+checksum = "df246d292ff63439fea9bc8c0a270bed0e390d5ebd4db4ba15aba81111b5abe3"
 dependencies = [
  "unicode-xid 0.2.0",
 ]
@@ -2239,7 +2263,7 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
 dependencies = [
- "proc-macro2 1.0.6",
+ "proc-macro2 1.0.10",
 ]
 
 [[package]]
@@ -2250,7 +2274,7 @@ checksum = "8356f47b32624fef5b3301c1be97e5944ecdd595409cc5da11d05f211db6cfbd"
 dependencies = [
  "fuchsia-zircon",
  "libc",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2263,7 +2287,7 @@ dependencies = [
  "fuchsia-zircon",
  "libc",
  "rand_core 0.2.2",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2282,7 +2306,7 @@ dependencies = [
  "rand_pcg",
  "rand_xorshift",
  "rustc_version",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2427,7 +2451,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
 dependencies = [
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2437,7 +2461,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab52e462d1e15891441aeefadff68bdea005174328ce3da0a314f2ad313ec837"
 dependencies = [
  "base64",
- "bytes",
+ "bytes 0.4.12",
  "encoding_rs",
  "futures",
  "http",
@@ -2451,7 +2475,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "tokio",
+ "tokio 0.1.17",
  "tokio-io",
  "url 1.7.2",
  "uuid",
@@ -2468,7 +2492,7 @@ dependencies = [
  "libc",
  "spin",
  "untrusted",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2579,7 +2603,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2f6abf258d99c3c1c5c2131d99d064e94b7b3dd5f416483057f308fea253339"
 dependencies = [
  "lazy_static 1.2.0",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2752,6 +2776,16 @@ dependencies = [
  "winapi-build",
 ]
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
+dependencies = [
+ "arc-swap",
+ "libc",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.2.3"
@@ -2814,7 +2848,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "redox_syscall",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -2901,7 +2935,7 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e7bedb3320d0f3035594b0b723c8a28d7d336a3eda3881db79e61d676fb644c"
 dependencies = [
- "proc-macro2 1.0.6",
+ "proc-macro2 1.0.10",
  "quote 1.0.2",
  "unicode-xid 0.2.0",
 ]
@@ -2955,7 +2989,7 @@ dependencies = [
  "rand 0.7.2",
  "redox_syscall",
  "remove_dir_all",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3013,7 +3047,7 @@ checksum = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"
 dependencies = [
  "libc",
  "redox_syscall",
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3040,7 +3074,7 @@ version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1021bb1f4150435ab8f222eb7ed37c60b2d57037def63ba43085a79f387512d7"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "mio",
  "num_cpus",
@@ -3059,13 +3093,37 @@ dependencies = [
  "tokio-uds",
 ]
 
+[[package]]
+name = "tokio"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee5a0dd887e37d37390c13ff8ac830f992307fe30a1fff0ab8427af67211ba28"
+dependencies = [
+ "bytes 0.5.4",
+ "fnv",
+ "futures-core",
+ "iovec",
+ "lazy_static 1.2.0",
+ "libc",
+ "memchr",
+ "mio",
+ "mio-named-pipes",
+ "mio-uds",
+ "num_cpus",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "slab 0.4.2",
+ "tokio-macros",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "tokio-codec"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "tokio-io",
 ]
@@ -3076,13 +3134,13 @@ version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aeeffbbb94209023feaef3c196a41cbcdafa06b4a6f893f68779bb5e53796f71"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "iovec",
  "log 0.4.6",
  "mio",
  "scoped-tls",
- "tokio",
+ "tokio 0.1.17",
  "tokio-executor",
  "tokio-io",
  "tokio-reactor",
@@ -3126,22 +3184,33 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7392fe0a70d5ce0c882c4778116c519bd5dbaa8a7c3ae3d04578b3afafdcda21"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "log 0.4.6",
 ]
 
+[[package]]
+name = "tokio-macros"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
+dependencies = [
+ "proc-macro2 1.0.10",
+ "quote 1.0.2",
+ "syn 1.0.7",
+]
+
 [[package]]
 name = "tokio-named-pipes"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d282d483052288b2308ba5ee795f5673b159c9bdf63c385a05609da782a5eae"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "mio",
  "mio-named-pipes",
- "tokio",
+ "tokio 0.1.17",
 ]
 
 [[package]]
@@ -3183,7 +3252,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec9b094851aadd2caf83ba3ad8e8c4ce65a42104f7b94d9e6550023f0407853f"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "iovec",
  "mio",
@@ -3234,7 +3303,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "137bda266504893ac4774e0ec4c2108f7ccdbcb7ac8dced6305fe9e4e0b5041a"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "log 0.4.6",
  "mio",
@@ -3248,7 +3317,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
 dependencies = [
- "bytes",
+ "bytes 0.4.12",
  "futures",
  "iovec",
  "libc",
@@ -3480,9 +3549,9 @@ checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 
 [[package]]
 name = "winapi"
-version = "0.3.6"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
+checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
 dependencies = [
  "winapi-i686-pc-windows-gnu",
  "winapi-x86_64-pc-windows-gnu",
@@ -3506,7 +3575,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "afc5508759c5bf4285e61feb862b6083c8480aec864fa17a81fdec6f69b461ab"
 dependencies = [
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3521,7 +3590,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eeb06499a3a4d44302791052df005d5232b927ed1a9658146d842165c4de7767"
 dependencies = [
- "winapi 0.3.6",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -3530,7 +3599,7 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "561ed901ae465d6185fa7864d63fbd5720d0ef718366c9a4dc83cf6170d7e9ba"
 dependencies = [
- "winapi 0.3.6",
+ "winapi 0.3.8",
  "winapi-util",
 ]
 
@@ -3541,7 +3610,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c51a2c47b5798ccc774ffb93ff536aec7c4275d722fd9c740c83cdd1af1f2d94"
 dependencies = [
  "byteorder",
- "bytes",
+ "bytes 0.4.12",
  "httparse",
  "log 0.4.6",
  "mio",
diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml
index c5c0b717ea..a7d0e95f0b 100644
--- a/rpc/Cargo.toml
+++ b/rpc/Cargo.toml
@@ -20,6 +20,7 @@ codechain-types = { path = "../types" }
 kvdb = "0.1"
 lazy_static = "1.2"
 log = "0.4.6"
+tokio = { version = "0.2.13", features = ["full"] }
 parking_lot = "0.6.0"
 primitives = { git = "https://github.com/CodeChain-io/rust-codechain-primitives.git", version = "0.4" }
 rlp = { git = "https://github.com/CodeChain-io/rlp.git", version = "0.4" }