From a6e5931f35bd6f2caf792da61adae65793f396f3 Mon Sep 17 00:00:00 2001
From: Dmitry <b4tm4n@mail.ru>
Date: Sat, 5 Aug 2023 23:06:55 +0300
Subject: [PATCH] add sync/async features

---
 Cargo.lock     | 586 +++++++++++++++++++++++++++++++++++++++++++------
 Cargo.toml     |   1 +
 app/Cargo.toml |   2 +-
 lib/Cargo.toml |  19 +-
 4 files changed, 541 insertions(+), 67 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index a8d3d1c..87cf075 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4fa78e18c64fce05e902adecd7a5eed15a5e0a3439f7b0e169f0252214865e3"
+dependencies = [
+ "gimli",
+]
+
 [[package]]
 name = "adler"
 version = "1.0.2"
@@ -10,14 +19,13 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "aes"
-version = "0.7.5"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8b47f52ea9bae42228d07ec09eb676433d7c4ed1ebdf0f1d1c29ed446f1ab8"
+checksum = "ac1f845298e95f983ff1944b728ae08b8cebab80d684f0a832ed0fc74dfa27e2"
 dependencies = [
  "cfg-if",
  "cipher",
  "cpufeatures",
- "opaque-debug",
 ]
 
 [[package]]
@@ -71,7 +79,7 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -81,7 +89,53 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
 dependencies = [
  "anstyle",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "async-compression"
+version = "0.4.1"
+source = "git+https://github.com/Nullus157/async-compression?rev=4fd4c42#4fd4c428ded304c019c0ebcf40149af87b038ab8"
+dependencies = [
+ "futures-core",
+ "memchr",
+ "pin-project-lite",
+ "tokio",
+ "zstd 0.12.4",
+ "zstd-safe 6.0.6",
+]
+
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.26",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc6dde6e4ed435a4c1ee4e73592f5ba9da2151af10076cc04858746af9352d09"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.26",
 ]
 
 [[package]]
@@ -101,6 +155,21 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "backtrace"
+version = "0.3.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4319208da049c43661739c5fade2ba182f09d1dc2299b32298d3a31692b17e12"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "base64ct"
 version = "1.0.1"
@@ -159,6 +228,12 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "bytes"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
+
 [[package]]
 name = "bzip2"
 version = "0.4.4"
@@ -221,14 +296,21 @@ dependencies = [
 name = "chgk_ledb_lib"
 version = "1.1.0"
 dependencies = [
+ "async-compression",
+ "async-stream",
  "bincode",
+ "fmmap",
+ "futures",
+ "futures-core",
+ "futures-util",
  "memmap",
  "serde",
  "serde_derive",
  "serde_json",
  "tempfile",
+ "tokio",
  "zip",
- "zstd",
+ "zstd 0.12.4",
 ]
 
 [[package]]
@@ -260,11 +342,12 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.3.0"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
- "generic-array",
+ "crypto-common",
+ "inout",
 ]
 
 [[package]]
@@ -311,7 +394,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.26",
 ]
 
 [[package]]
@@ -465,6 +548,29 @@ version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
+[[package]]
+name = "enum_dispatch"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f33313078bb8d4d05a2733a94ac4c2d8a0df9a2b84424ebf4f33bfc224a890e"
+dependencies = [
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.26",
+]
+
+[[package]]
+name = "errno"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -473,7 +579,7 @@ checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
 dependencies = [
  "errno-dragonfly",
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -505,6 +611,124 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "fmmap"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5de47572bd3bf7eb669581e4303b922dde85432800a3228f6824f6a04ee455ab"
+dependencies = [
+ "async-trait",
+ "byteorder",
+ "bytes",
+ "enum_dispatch",
+ "fs4",
+ "memmapix",
+ "parse-display",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "fs4"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2eeb4ed9e12f43b7fa0baae3f9cdda28352770132ef2e09a23760c29cae8bd47"
+dependencies = [
+ "async-trait",
+ "rustix 0.38.4",
+ "tokio",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "futures"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23342abe12aba583913b2e62f22225ff9c950774065e4bfb61a19cd9770fec40"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccecee823288125bd88b4d7f565c9e58e41858e47ab72e8ea2d64e93624386e0"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.26",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
+
+[[package]]
+name = "futures-task"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76d3d132be6c0e6aa1534069c705a74a5997a356c0dc2f86a47765e5617c5b65"
+
+[[package]]
+name = "futures-util"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -526,6 +750,12 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.27.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+
 [[package]]
 name = "half"
 version = "1.8.2"
@@ -578,6 +808,15 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -587,6 +826,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "io-lifetimes"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ce5ef949d49ee85593fc4d3f3f95ad61657076395cbbce23e2121fc5542074"
+
 [[package]]
 name = "io-lifetimes"
 version = "1.0.11"
@@ -595,7 +840,7 @@ checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
 dependencies = [
  "hermit-abi 0.3.2",
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -606,7 +851,7 @@ checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
 dependencies = [
  "hermit-abi 0.3.2",
  "rustix 0.38.4",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -654,6 +899,12 @@ version = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.0.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4d2456c373231a208ad294c33dc5bff30051eafd954cd4caae83a712b12854d"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.3.8"
@@ -688,6 +939,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "memmapix"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa20aa603283688ba48d9ee8c225b900aebf0d0a871630ed5239e7bf606e5fd1"
+dependencies = [
+ "rustix 0.35.14",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.9.0"
@@ -725,6 +985,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "object"
+version = "0.31.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bda667d9f2b5051b8833f59f3bf748b28ef54f850f4fcb389a252aa383866d1"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.18.0"
@@ -737,12 +1006,6 @@ version = "11.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
-[[package]]
-name = "opaque-debug"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
-
 [[package]]
 name = "os_str_bytes"
 version = "6.5.1"
@@ -750,10 +1013,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d5d9eb14b174ee9aa2ef96dc2b94637a2d4b6e7cb873c7e171f0c20c6cf3eac"
 
 [[package]]
-name = "password-hash"
-version = "0.3.2"
+name = "parse-display"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d791538a6dcc1e7cb7fe6f6b58aca40e7f79403c45b2bc274008b5e647af1d8"
+checksum = "3b25af4ef94a8528b41fb49a696e361dc6ef975c782417268072d987ac327964"
+dependencies = [
+ "once_cell",
+ "parse-display-derive",
+ "regex",
+]
+
+[[package]]
+name = "parse-display-derive"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73f106cced1f4b645e3fca6125105cdf7407e35d1af710f290aac530f6b826b9"
+dependencies = [
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "regex-syntax 0.6.29",
+ "structmeta",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "password-hash"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7676374caaee8a325c9e7a2ae557f216c5563a171d6997b0ef8a65af35147700"
 dependencies = [
  "base64ct",
  "rand_core",
@@ -762,9 +1051,9 @@ dependencies = [
 
 [[package]]
 name = "pbkdf2"
-version = "0.10.1"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "271779f35b581956db91a3e55737327a03aa051e90b1c47aeb189508533adfd7"
+checksum = "83a0692ec44e4cf1ef28ca317f14f8f07da2d95ec3fa01f86e4467b725e60917"
 dependencies = [
  "digest",
  "hmac",
@@ -772,6 +1061,18 @@ dependencies = [
  "sha2",
 ]
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c40d25201921e5ff0c862a505c6557ea88568a4e3ace775ab55e93f2f4f9d57"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.27"
@@ -900,7 +1201,7 @@ dependencies = [
  "aho-corasick",
  "memchr",
  "regex-automata",
- "regex-syntax",
+ "regex-syntax 0.7.4",
 ]
 
 [[package]]
@@ -911,15 +1212,41 @@ checksum = "39354c10dd07468c2e73926b23bb9c2caca74c5501e38a35da70406f1d923310"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax",
+ "regex-syntax 0.7.4",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.6.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
+
 [[package]]
 name = "regex-syntax"
 version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5ea92a5b6195c6ef2a0295ea818b312502c6fc94dde986c5553242e18fd4ce2"
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
+
+[[package]]
+name = "rustix"
+version = "0.35.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6380889b07a03b5ecf1d44dc9ede6fd2145d84b502a2a9ca0b03c48e0cc3220f"
+dependencies = [
+ "bitflags 1.3.2",
+ "errno 0.2.8",
+ "io-lifetimes 0.7.5",
+ "libc",
+ "linux-raw-sys 0.0.46",
+ "windows-sys 0.42.0",
+]
+
 [[package]]
 name = "rustix"
 version = "0.37.23"
@@ -927,11 +1254,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d69718bf81c6127a49dc64e44a742e8bb9213c0ff8869a22c308f84c1d4ab06"
 dependencies = [
  "bitflags 1.3.2",
- "errno",
- "io-lifetimes",
+ "errno 0.3.1",
+ "io-lifetimes 1.0.11",
  "libc",
  "linux-raw-sys 0.3.8",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -941,10 +1268,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a962918ea88d644592894bc6dc55acc6c0956488adcebbfb6e273506b7fd6e5"
 dependencies = [
  "bitflags 2.3.3",
- "errno",
+ "errno 0.3.1",
  "libc",
  "linux-raw-sys 0.4.3",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -985,7 +1312,7 @@ checksum = "389894603bd18c46fa56231694f8d827779c0951a667087194cf9de94ed24682"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.26",
 ]
 
 [[package]]
@@ -1021,18 +1348,61 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "slab"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6528351c9bc8ab22353f9d776db39a20288e8d6c37ef8cfe3317cf875eecfc2d"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
+[[package]]
+name = "structmeta"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "104842d6278bf64aa9d2f182ba4bde31e8aec7a131d29b7f444bb9b344a09e2a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "structmeta-derive",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "structmeta-derive"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24420be405b590e2d746d83b01f09af673270cf80e9b003a5fa7b651c58c7d93"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "subtle"
 version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.26"
@@ -1055,7 +1425,7 @@ dependencies = [
  "fastrand",
  "redox_syscall",
  "rustix 0.37.23",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1070,10 +1440,8 @@ version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59e399c068f43a5d116fedaf73b203fa4f9c519f17e2b34f63221d3792f81446"
 dependencies = [
- "itoa",
  "serde",
  "time-core",
- "time-macros",
 ]
 
 [[package]]
@@ -1082,15 +1450,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
 
-[[package]]
-name = "time-macros"
-version = "0.2.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96ba15a897f3c86766b757e5ac7221554c6750054d74d5b28844fce5fb36a6c4"
-dependencies = [
- "time-core",
-]
-
 [[package]]
 name = "tinytemplate"
 version = "1.2.1"
@@ -1101,6 +1460,30 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.29.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "532826ff75199d5833b9d2c5fe410f29235e25704ee5f0ef599fb51c21f4a4da"
+dependencies = [
+ "autocfg",
+ "backtrace",
+ "bytes",
+ "pin-project-lite",
+ "tokio-macros",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.26",
+]
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -1168,7 +1551,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.26",
  "wasm-bindgen-shared",
 ]
 
@@ -1190,7 +1573,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.26",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -1242,6 +1625,21 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -1257,51 +1655,93 @@ version = "0.48.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05d4b17490f70499f20b9e791dcf6a299785ce8af4d709018206dc5b4953e95f"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.0",
+ "windows_aarch64_msvc 0.48.0",
+ "windows_i686_gnu 0.48.0",
+ "windows_i686_msvc 0.48.0",
+ "windows_x86_64_gnu 0.48.0",
+ "windows_x86_64_gnullvm 0.48.0",
+ "windows_x86_64_msvc 0.48.0",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.0"
@@ -1310,9 +1750,9 @@ checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
 [[package]]
 name = "zip"
-version = "0.6.2"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf225bcf73bb52cbb496e70475c7bd7a3f769df699c0020f6c7bd9a96dcf0b8d"
+checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261"
 dependencies = [
  "aes",
  "byteorder",
@@ -1325,23 +1765,42 @@ dependencies = [
  "pbkdf2",
  "sha1",
  "time",
- "zstd",
+ "zstd 0.11.2+zstd.1.5.2",
 ]
 
 [[package]]
 name = "zstd"
-version = "0.10.2+zstd.1.5.2"
+version = "0.11.2+zstd.1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f4a6bd64f22b5e3e94b4e238669ff9f10815c27a5180108b849d24174a83847"
+checksum = "20cc960326ece64f010d2d2107537f26dc589a6573a316bd5b1dba685fa5fde4"
 dependencies = [
- "zstd-safe",
+ "zstd-safe 5.0.2+zstd.1.5.2",
+]
+
+[[package]]
+name = "zstd"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a27595e173641171fc74a1232b7b1c7a7cb6e18222c11e9dfb9888fa424c53c"
+dependencies = [
+ "zstd-safe 6.0.6",
 ]
 
 [[package]]
 name = "zstd-safe"
-version = "4.1.6+zstd.1.5.2"
+version = "5.0.2+zstd.1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94b61c51bb270702d6167b8ce67340d2754b088d0c091b06e593aa772c3ee9bb"
+checksum = "1d2a5585e04f9eea4b2a3d1eca508c4dee9592a89ef6f450c11719da0726f4db"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "6.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee98ffd0b48ee95e6c5168188e44a54550b1564d9d530ee21d5f0eaed1069581"
 dependencies = [
  "libc",
  "zstd-sys",
@@ -1349,10 +1808,11 @@ dependencies = [
 
 [[package]]
 name = "zstd-sys"
-version = "1.6.3+zstd.1.5.2"
+version = "2.0.8+zstd.1.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc49afa5c8d634e75761feda8c592051e7eeb4683ba827211eb0d731d3402ea8"
+checksum = "5556e6ee25d32df2586c098bbfa278803692a20d0ab9565e049480d52707ec8c"
 dependencies = [
  "cc",
  "libc",
+ "pkg-config",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 71609d1..49f994d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
   "app",
   "lib"
diff --git a/app/Cargo.toml b/app/Cargo.toml
index a351ade..a1d9a4f 100644
--- a/app/Cargo.toml
+++ b/app/Cargo.toml
@@ -14,7 +14,7 @@ name = "db_bench"
 harness = false
 
 [dependencies]
-chgk_ledb_lib = {path = "../lib"}
+chgk_ledb_lib = {path = "../lib", features = ["sync"]}
 serde_json="1.0"
 zip="0.6"
 rand="0.8"
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 3172a5a..f262c1b 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -9,14 +9,27 @@ description = "Библиотека для доступа к файлу базы
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+default = ["async"]
+sync = ["zstd", "memmap"]
+async = ["futures", "futures-core", "futures-util", "fmmap", "tokio", "async-compression", "async-stream"]
+
 [dependencies]
 serde="1.0"
 serde_derive="1.0"
 serde_json="1.0"
-zip="0.6"
 bincode = "^2.0.0-rc.2"
-zstd = "^0.10"
-memmap = "0.7.0"
+zip="0.6"
+fmmap = { version = "0.3", features = ["tokio-async"] , optional = true}
+tokio = { version = "1", features = ["fs","io-util","rt", "macros"] , optional = true}
+futures-core  = {version = "0.3", optional = true}
+futures = {version = "0.3", optional = true}
+futures-util = {version = "0.3", optional = true}
+async-compression = {git="https://github.com/Nullus157/async-compression", rev="4fd4c42", default-features = false, features = ["zstdmt", "tokio"], optional = true}
+async-stream = {version = "0.3", optional = true}
+zstd = {version = "^0.12", default-features = false, optional = true}
+memmap = {version = "0.7.0", optional = true}
+
 
 [dev-dependencies]
 tempfile = "3.3"