diff --git a/Cargo.lock b/Cargo.lock
index 2122467..e81682a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,7 +24,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b613b8e1e3cf911a086f53f03bf286f52fd7a7258e4fa606f0ef220d39d8877"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
 ]
 
 [[package]]
@@ -36,7 +36,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "cipher 0.3.0",
  "cpufeatures",
- "opaque-debug",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -62,7 +62,7 @@ checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
 dependencies = [
  "getrandom 0.2.8",
  "once_cell",
- "version_check",
+ "version_check 0.9.4",
 ]
 
 [[package]]
@@ -73,7 +73,7 @@ checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
 dependencies = [
  "cfg-if 1.0.0",
  "once_cell",
- "version_check",
+ "version_check 0.9.4",
 ]
 
 [[package]]
@@ -457,6 +457,17 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b34d609dfbaf33d6889b2b7106d3ca345eacad44200913df5ba02bfd31d2ba9"
 
+[[package]]
+name = "async-channel"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf46fee83e5ccffc220104713af3292ff9bc7c64c7de289f66dae8e38d826833"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
 [[package]]
 name = "async-compression"
 version = "0.3.15"
@@ -464,7 +475,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "942c7cd7ae39e91bde4820d74132e9862e62c2f386c3aa90ccf55949f5bad63a"
 dependencies = [
  "brotli",
- "flate2",
+ "flate2 1.0.25",
  "futures-core",
  "memchr",
  "pin-project-lite",
@@ -523,6 +534,15 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "autocfg"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dde43e75fd43e8a1bf86103336bc699aa8d17ad1be60c76c0bdfd4828e19b78"
+dependencies = [
+ "autocfg 1.1.0",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -547,15 +567,15 @@ dependencies = [
  "async-trait",
  "axum-core",
  "bitflags",
- "bytes",
+ "bytes 1.4.0",
  "futures-util",
  "http",
  "http-body",
- "hyper",
+ "hyper 0.14.24",
  "itoa",
  "matchit",
  "memchr",
- "mime",
+ "mime 0.3.16",
  "percent-encoding 2.2.0",
  "pin-project-lite",
  "rustversion",
@@ -574,11 +594,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1cae3e661676ffbacb30f1a824089a8c9150e71017f7e1e38f2aa32009188d34"
 dependencies = [
  "async-trait",
- "bytes",
+ "bytes 1.4.0",
  "futures-util",
  "http",
  "http-body",
- "mime",
+ "mime 0.3.16",
  "rustversion",
  "tower-layer",
  "tower-service",
@@ -604,6 +624,25 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "base64"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
+dependencies = [
+ "byteorder",
+ "safemem",
+]
+
+[[package]]
+name = "base64"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
+dependencies = [
+ "byteorder",
+]
+
 [[package]]
 name = "base64"
 version = "0.12.3"
@@ -686,14 +725,26 @@ dependencies = [
  "digest 0.10.6",
 ]
 
+[[package]]
+name = "block-buffer"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
+dependencies = [
+ "block-padding 0.1.5",
+ "byte-tools",
+ "byteorder",
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
 dependencies = [
- "block-padding",
- "generic-array",
+ "block-padding 0.2.1",
+ "generic-array 0.14.6",
 ]
 
 [[package]]
@@ -702,7 +753,16 @@ version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
+dependencies = [
+ "byte-tools",
 ]
 
 [[package]]
@@ -844,6 +904,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "buf_redux"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b953a6887648bb07a535631f2bc00fbdb2a2216f135552cb3f534ed136b9c07f"
+dependencies = [
+ "memchr",
+ "safemem",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.12.0"
@@ -860,6 +930,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "byte-tools"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
+
 [[package]]
 name = "bytecheck"
 version = "0.6.9"
@@ -907,6 +983,16 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "bytes"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "206fdffcfa2df7cbe15601ef46c813fce0965eb3286db6b56c583b814b51c81c"
+dependencies = [
+ "byteorder",
+ "iovec",
+]
+
 [[package]]
 name = "bytes"
 version = "1.4.0"
@@ -1005,7 +1091,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
 ]
 
 [[package]]
@@ -1069,6 +1155,15 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -1092,6 +1187,15 @@ dependencies = [
  "unreachable",
 ]
 
+[[package]]
+name = "concurrent-queue"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c278839b831783b70278b14df4d45e1beb1aad306c07bb796637de9a0e323e8e"
+dependencies = [
+ "crossbeam-utils 0.8.14",
+]
+
 [[package]]
 name = "console"
 version = "0.15.5"
@@ -1121,7 +1225,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "501a375961cef1a0d44767200e66e4a559283097e91d0730b1d75dfb2f8a1494"
 dependencies = [
- "log",
+ "log 0.4.17",
  "web-sys",
 ]
 
@@ -1202,7 +1306,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils",
+ "crossbeam-utils 0.8.14",
 ]
 
 [[package]]
@@ -1213,7 +1317,7 @@ checksum = "715e8152b692bba2d374b53d4875445368fdf21a94751410af607a5ac677d1fc"
 dependencies = [
  "cfg-if 1.0.0",
  "crossbeam-epoch",
- "crossbeam-utils",
+ "crossbeam-utils 0.8.14",
 ]
 
 [[package]]
@@ -1222,13 +1326,24 @@ version = "0.9.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "cfg-if 1.0.0",
- "crossbeam-utils",
+ "crossbeam-utils 0.8.14",
  "memoffset 0.7.1",
  "scopeguard",
 ]
 
+[[package]]
+name = "crossbeam-utils"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+dependencies = [
+ "autocfg 1.1.0",
+ "cfg-if 0.1.10",
+ "lazy_static",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.14"
@@ -1250,7 +1365,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
  "typenum",
 ]
 
@@ -1260,7 +1375,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
  "subtle",
 ]
 
@@ -1469,13 +1584,22 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "digest"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
+dependencies = [
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
 ]
 
 [[package]]
@@ -1675,7 +1799,7 @@ checksum = "a12e6657c4c97ebab115a42dcee77225f7f482cdd841cf7088c657a42e9e00e7"
 dependencies = [
  "atty",
  "humantime",
- "log",
+ "log 0.4.17",
  "regex",
  "termcolor",
 ]
@@ -1701,6 +1825,12 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
+[[package]]
+name = "fake-simd"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
+
 [[package]]
 name = "fast-math"
 version = "0.1.1"
@@ -1801,6 +1931,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
+[[package]]
+name = "flate2"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6234dd4468ae5d1e2dbb06fe2b058696fdc50a339c68a393aefbf00bc81e423"
+dependencies = [
+ "libc",
+ "miniz-sys",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.25"
@@ -1853,6 +1993,22 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
+[[package]]
+name = "fuchsia-zircon"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
+dependencies = [
+ "bitflags",
+ "fuchsia-zircon-sys",
+]
+
+[[package]]
+name = "fuchsia-zircon-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
+
 [[package]]
 name = "futures"
 version = "0.1.31"
@@ -1950,6 +2106,15 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffdf9f34f1447443d37393cc6c2b8313aebddcd96906caf34e54c68d8e57d7bd"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.6"
@@ -1958,7 +2123,7 @@ checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
 dependencies = [
  "serde",
  "typenum",
- "version_check",
+ "version_check 0.9.4",
 ]
 
 [[package]]
@@ -2012,7 +2177,7 @@ dependencies = [
  "aho-corasick",
  "bstr",
  "fnv",
- "log",
+ "log 0.4.17",
  "regex",
 ]
 
@@ -2024,7 +2189,7 @@ checksum = "f8af59a261bcf42f45d1b261232847b9b850ba0a1419d6100698246fb66e9240"
 dependencies = [
  "arc-swap",
  "futures 0.3.26",
- "log",
+ "log 0.4.17",
  "reqwest",
  "serde",
  "serde_derive",
@@ -2041,7 +2206,7 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7666983ed0dd8d21a6f6576ee00053ca0926fb281a5522577a4dbd0f1b54143"
 dependencies = [
- "log",
+ "log 0.4.17",
  "plain",
  "scroll",
 ]
@@ -2052,7 +2217,7 @@ version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f9f29bc9dda355256b2916cf526ab02ce0aeaaaf2bad60d65ef3f12f11dd0f4"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "fnv",
  "futures-core",
  "futures-sink",
@@ -2115,11 +2280,11 @@ checksum = "f3e372db8e5c0d213e0cd0b9be18be2aca3d44cf2fe30a9d46a65581cd454584"
 dependencies = [
  "base64 0.13.1",
  "bitflags",
- "bytes",
+ "bytes 1.4.0",
  "headers-core",
  "http",
  "httpdate",
- "mime",
+ "mime 0.3.16",
  "sha1",
 ]
 
@@ -2197,7 +2362,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17ea0a1394df5b6574da6e0c1ade9e78868c9fb0a4e5ef4428e32da4676b85b1"
 dependencies = [
  "digest 0.9.0",
- "generic-array",
+ "generic-array 0.14.6",
  "hmac 0.8.1",
 ]
 
@@ -2207,7 +2372,7 @@ version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "fnv",
  "itoa",
 ]
@@ -2218,7 +2383,7 @@ version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "http",
  "pin-project-lite",
 ]
@@ -2247,13 +2412,32 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
+[[package]]
+name = "hyper"
+version = "0.10.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a0652d9a2609a968c14be1a9ea00bf4b1d64e2e1f53a1b51b6fff3a6e829273"
+dependencies = [
+ "base64 0.9.3",
+ "httparse",
+ "language-tags",
+ "log 0.3.9",
+ "mime 0.2.6",
+ "num_cpus",
+ "time 0.1.45",
+ "traitobject",
+ "typeable",
+ "unicase 1.4.2",
+ "url 1.7.2",
+]
+
 [[package]]
 name = "hyper"
 version = "0.14.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e011372fa0b68db8350aa7a248930ecc7839bf46d8485577d69f117a75f164c"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "futures-channel",
  "futures-core",
  "futures-util",
@@ -2277,11 +2461,11 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca815a891b24fdfb243fa3239c86154392b0953ee584aa1a2a1f66d20cbe75cc"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "futures 0.3.26",
  "headers",
  "http",
- "hyper",
+ "hyper 0.14.24",
  "hyper-tls",
  "native-tls",
  "tokio",
@@ -2296,7 +2480,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1788965e61b367cd03a62950836d5cd41560c3577d90e40e0819373194d1661c"
 dependencies = [
  "http",
- "hyper",
+ "hyper 0.14.24",
  "rustls 0.20.8",
  "tokio",
  "tokio-rustls 0.23.4",
@@ -2308,7 +2492,7 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
 dependencies = [
- "hyper",
+ "hyper 0.14.24",
  "pin-project-lite",
  "tokio",
  "tokio-io-timeout",
@@ -2320,8 +2504,8 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
 dependencies = [
- "bytes",
- "hyper",
+ "bytes 1.4.0",
+ "hyper 0.14.24",
  "native-tls",
  "tokio",
  "tokio-native-tls",
@@ -2397,7 +2581,7 @@ dependencies = [
  "serde",
  "sized-chunks",
  "typenum",
- "version_check",
+ "version_check 0.9.4",
 ]
 
 [[package]]
@@ -2412,7 +2596,7 @@ version = "1.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "hashbrown 0.12.3",
  "rayon",
 ]
@@ -2435,7 +2619,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
 ]
 
 [[package]]
@@ -2447,6 +2631,15 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "iovec"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.7.1"
@@ -2509,17 +2702,19 @@ dependencies = [
 [[package]]
 name = "jsonrpc-client-transports"
 version = "18.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2b99d4207e2a04fb4581746903c2bb7eb376f88de9c699d0f3e10feeac0cd3a"
+source = "git+https://github.com/ckamm/jsonrpc.git?branch=ckamm/http-with-gzip#3e83f454313b218a75be25d3d4cfc2c4e76bb8bd"
 dependencies = [
  "derive_more",
+ "flate2 0.2.20",
  "futures 0.3.26",
- "jsonrpc-core",
- "jsonrpc-pubsub",
- "log",
+ "hyper 0.14.24",
+ "jsonrpc-core 18.0.0 (git+https://github.com/ckamm/jsonrpc.git?branch=ckamm/http-with-gzip)",
+ "jsonrpc-pubsub 18.0.0 (git+https://github.com/ckamm/jsonrpc.git?branch=ckamm/http-with-gzip)",
+ "log 0.4.17",
  "serde",
  "serde_json",
- "url 1.7.2",
+ "tokio",
+ "websocket",
 ]
 
 [[package]]
@@ -2531,7 +2726,21 @@ dependencies = [
  "futures 0.3.26",
  "futures-executor",
  "futures-util",
- "log",
+ "log 0.4.17",
+ "serde",
+ "serde_derive",
+ "serde_json",
+]
+
+[[package]]
+name = "jsonrpc-core"
+version = "18.0.0"
+source = "git+https://github.com/ckamm/jsonrpc.git?branch=ckamm/http-with-gzip#3e83f454313b218a75be25d3d4cfc2c4e76bb8bd"
+dependencies = [
+ "futures 0.3.26",
+ "futures-executor",
+ "futures-util",
+ "log 0.4.17",
  "serde",
  "serde_derive",
  "serde_json",
@@ -2540,8 +2749,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-core-client"
 version = "18.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b51da17abecbdab3e3d4f26b01c5ec075e88d3abe3ab3b05dc9aa69392764ec0"
+source = "git+https://github.com/ckamm/jsonrpc.git?branch=ckamm/http-with-gzip#3e83f454313b218a75be25d3d4cfc2c4e76bb8bd"
 dependencies = [
  "futures 0.3.26",
  "jsonrpc-client-transports",
@@ -2566,13 +2774,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e1dea6e07251d9ce6a552abfb5d7ad6bc290a4596c8dcc3d795fae2bbdc1f3ff"
 dependencies = [
  "futures 0.3.26",
- "hyper",
- "jsonrpc-core",
+ "hyper 0.14.24",
+ "jsonrpc-core 18.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-server-utils",
- "log",
+ "log 0.4.17",
  "net2",
  "parking_lot 0.11.2",
- "unicase",
+ "unicase 2.6.0",
 ]
 
 [[package]]
@@ -2582,9 +2790,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240f87695e6c6f62fb37f05c02c04953cf68d6408b8c1c89de85c7a0125b1011"
 dependencies = [
  "futures 0.3.26",
- "jsonrpc-core",
+ "jsonrpc-core 18.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static",
- "log",
+ "log 0.4.17",
+ "parking_lot 0.11.2",
+ "rand 0.7.3",
+ "serde",
+]
+
+[[package]]
+name = "jsonrpc-pubsub"
+version = "18.0.0"
+source = "git+https://github.com/ckamm/jsonrpc.git?branch=ckamm/http-with-gzip#3e83f454313b218a75be25d3d4cfc2c4e76bb8bd"
+dependencies = [
+ "futures 0.3.26",
+ "jsonrpc-core 18.0.0 (git+https://github.com/ckamm/jsonrpc.git?branch=ckamm/http-with-gzip)",
+ "lazy_static",
+ "log 0.4.17",
  "parking_lot 0.11.2",
  "rand 0.7.3",
  "serde",
@@ -2596,16 +2818,16 @@ version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa4fdea130485b572c39a460d50888beb00afb3e35de23ccd7fad8ff19f0e0d4"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "futures 0.3.26",
  "globset",
- "jsonrpc-core",
+ "jsonrpc-core 18.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "tokio",
  "tokio-stream",
  "tokio-util 0.6.10",
- "unicase",
+ "unicase 2.6.0",
 ]
 
 [[package]]
@@ -2627,6 +2849,12 @@ dependencies = [
  "winapi-build",
 ]
 
+[[package]]
+name = "language-tags"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -2749,16 +2977,34 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
 
+[[package]]
+name = "lock_api"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
+dependencies = [
+ "scopeguard",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "scopeguard",
 ]
 
+[[package]]
+name = "log"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
+dependencies = [
+ "log 0.4.17",
+]
+
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -2896,7 +3142,7 @@ version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -2905,7 +3151,7 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -2914,7 +3160,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -2929,12 +3175,31 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "mime"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
+dependencies = [
+ "log 0.3.9",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
+dependencies = [
+ "mime 0.3.16",
+ "unicase 2.6.0",
+]
+
 [[package]]
 name = "min-max-heap"
 version = "1.3.0"
@@ -2947,6 +3212,16 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniz-sys"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e9e3ae51cea1576ceba0dde3d484d30e6e5b86dee0b2d412fe3a16a15c98202"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.6.2"
@@ -2956,6 +3231,25 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "mio"
+version = "0.6.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
+dependencies = [
+ "cfg-if 0.1.10",
+ "fuchsia-zircon",
+ "fuchsia-zircon-sys",
+ "iovec",
+ "kernel32-sys",
+ "libc",
+ "log 0.4.17",
+ "miow 0.2.2",
+ "net2",
+ "slab",
+ "winapi 0.2.8",
+]
+
 [[package]]
 name = "mio"
 version = "0.7.14"
@@ -2963,12 +3257,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
 dependencies = [
  "libc",
- "log",
- "miow",
+ "log 0.4.17",
+ "miow 0.3.7",
  "ntapi",
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "miow"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
+dependencies = [
+ "kernel32-sys",
+ "net2",
+ "winapi 0.2.8",
+ "ws2_32-sys",
+]
+
 [[package]]
 name = "miow"
 version = "0.3.7"
@@ -3005,6 +3311,24 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
 
+[[package]]
+name = "multipart"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00dec633863867f29cb39df64a397cdf4a6354708ddd7759f70c7fb51c5f9182"
+dependencies = [
+ "buf_redux",
+ "httparse",
+ "log 0.4.17",
+ "mime 0.3.16",
+ "mime_guess",
+ "quick-error",
+ "rand 0.8.5",
+ "safemem",
+ "tempfile",
+ "twoway",
+]
+
 [[package]]
 name = "multiqueue"
 version = "0.3.2"
@@ -3026,7 +3350,7 @@ checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
 dependencies = [
  "lazy_static",
  "libc",
- "log",
+ "log 0.4.17",
  "openssl",
  "openssl-probe",
  "openssl-sys",
@@ -3053,7 +3377,7 @@ version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f346ff70e7dbfd675fe90590b92d59ef2de15a8779ae305ebcbfd3f0caf59be4"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "bitflags",
  "cfg-if 1.0.0",
  "libc",
@@ -3109,7 +3433,7 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "num-integer",
  "num-traits",
 ]
@@ -3120,7 +3444,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "num-integer",
  "num-traits",
 ]
@@ -3131,7 +3455,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "num-traits",
 ]
 
@@ -3152,7 +3476,7 @@ version = "0.1.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "num-traits",
 ]
 
@@ -3162,7 +3486,7 @@ version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d03e6c028c5dc5cac6e2dec0efda81fc887605bb3d884578bb6d6bf7514e252"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "num-integer",
  "num-traits",
 ]
@@ -3173,7 +3497,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "num-bigint 0.2.6",
  "num-integer",
  "num-traits",
@@ -3185,7 +3509,7 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -3240,6 +3564,12 @@ version = "1.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
+[[package]]
+name = "opaque-debug"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
+
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -3293,7 +3623,7 @@ version = "0.9.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23bbbf7854cd45b83958ebe919f0e8e516793727652e27fda10a8384cfc790b7"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "cc",
  "libc",
  "openssl-src",
@@ -3347,6 +3677,17 @@ dependencies = [
  "thread-id",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
+dependencies = [
+ "lock_api 0.3.4",
+ "parking_lot_core 0.6.3",
+ "rustc_version 0.2.3",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -3354,7 +3695,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
 dependencies = [
  "instant",
- "lock_api",
+ "lock_api 0.4.9",
  "parking_lot_core 0.8.6",
 ]
 
@@ -3364,7 +3705,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
- "lock_api",
+ "lock_api 0.4.9",
  "parking_lot_core 0.9.7",
 ]
 
@@ -3380,6 +3721,21 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "parking_lot_core"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bda66b810a62be75176a80873726630147a5ca780cd33921e0b5709033e66b0a"
+dependencies = [
+ "cfg-if 0.1.10",
+ "cloudabi",
+ "libc",
+ "redox_syscall 0.1.57",
+ "rustc_version 0.2.3",
+ "smallvec 0.6.14",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "parking_lot_core"
 version = "0.8.6"
@@ -3584,7 +3940,7 @@ checksum = "8419d2b623c7c0896ff2d5d96e2cb4ede590fed28fcc34934f4c33c036e620a1"
 dependencies = [
  "cfg-if 1.0.0",
  "cpufeatures",
- "opaque-debug",
+ "opaque-debug 0.3.0",
  "universal-hash",
 ]
 
@@ -3639,7 +3995,7 @@ dependencies = [
  "proc-macro2 1.0.51",
  "quote 1.0.23",
  "syn 1.0.107",
- "version_check",
+ "version_check 0.9.4",
 ]
 
 [[package]]
@@ -3650,7 +4006,7 @@ checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
 dependencies = [
  "proc-macro2 1.0.51",
  "quote 1.0.23",
- "version_check",
+ "version_check 0.9.4",
 ]
 
 [[package]]
@@ -3680,7 +4036,7 @@ dependencies = [
  "proc-macro2 1.0.51",
  "quote 1.0.23",
  "syn 1.0.107",
- "version_check",
+ "version_check 0.9.4",
  "yansi",
 ]
 
@@ -3690,7 +4046,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "444879275cb4fd84958b1a1d5420d15e6fcf7c235fe47f053c9c2a80aceb6001"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "prost-derive 0.9.0",
 ]
 
@@ -3700,7 +4056,7 @@ version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "21dc42e00223fc37204bd4aa177e69420c604ca4a183209a8f9de30c6d934698"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "prost-derive 0.11.6",
 ]
 
@@ -3710,11 +4066,11 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "62941722fb675d463659e49c4f3fe1fe792ff24fe5bbaa9c08cd3b98a1c354f5"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "heck 0.3.3",
  "itertools 0.10.5",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "multimap",
  "petgraph",
  "prost 0.9.0",
@@ -3730,11 +4086,11 @@ version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3f8ad728fb08fe212df3c05169e940fbb6d9d16a877ddde14644a983ba2012e"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "heck 0.4.1",
  "itertools 0.10.5",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "multimap",
  "petgraph",
  "prettyplease",
@@ -3778,7 +4134,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "534b7a0e836e3c482d2693070f982e39e7611da9695d4d1f5a4b186b51faef0a"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "prost 0.9.0",
 ]
 
@@ -3788,7 +4144,7 @@ version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5e0526209433e96d83d750dd81a99118edbc55739e7e61a46764fd2ad537788"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "prost 0.11.6",
 ]
 
@@ -3846,6 +4202,12 @@ dependencies = [
  "percent-encoding 2.2.0",
 ]
 
+[[package]]
+name = "quick-error"
+version = "1.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
+
 [[package]]
 name = "quick-protobuf"
 version = "0.8.0"
@@ -3861,7 +4223,7 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "445cbfe2382fa023c4f2f3c7e1c95c03dcc1df2bf23cebcb2b13e1402c4394d1"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "pin-project-lite",
  "quinn-proto",
  "quinn-udp",
@@ -3879,7 +4241,7 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72ef4ced82a24bb281af338b9e8f94429b6eca01b4e66d899f40031f074e74c9"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "rand 0.8.5",
  "ring",
  "rustc-hash",
@@ -3936,6 +4298,25 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "rand"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
+dependencies = [
+ "autocfg 0.1.8",
+ "libc",
+ "rand_chacha 0.1.1",
+ "rand_core 0.4.2",
+ "rand_hc 0.1.0",
+ "rand_isaac",
+ "rand_jitter",
+ "rand_os",
+ "rand_pcg",
+ "rand_xorshift",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -3946,7 +4327,7 @@ dependencies = [
  "libc",
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
- "rand_hc",
+ "rand_hc 0.2.0",
 ]
 
 [[package]]
@@ -3960,6 +4341,16 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
+dependencies = [
+ "autocfg 0.1.8",
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.2.2"
@@ -4013,6 +4404,15 @@ dependencies = [
  "getrandom 0.2.8",
 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -4022,6 +4422,59 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
+[[package]]
+name = "rand_isaac"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
+[[package]]
+name = "rand_jitter"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
+dependencies = [
+ "libc",
+ "rand_core 0.4.2",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "rand_os"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
+dependencies = [
+ "cloudabi",
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.4.2",
+ "rdrand",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "rand_pcg"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
+dependencies = [
+ "autocfg 0.1.8",
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_xorshift"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "rand_xoshiro"
 version = "0.6.0"
@@ -4049,7 +4502,7 @@ checksum = "356a0625f1954f730c0201cdab48611198dc6ce21f4acff55089b5a78e6e835b"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
- "crossbeam-utils",
+ "crossbeam-utils 0.8.14",
  "num_cpus",
 ]
 
@@ -4158,26 +4611,26 @@ checksum = "21eed90ec8570952d53b772ecf8f206aa1ec9a3d76b2521c56c42973f2d91ee9"
 dependencies = [
  "async-compression",
  "base64 0.21.0",
- "bytes",
+ "bytes 1.4.0",
  "encoding_rs",
  "futures-core",
  "futures-util",
  "h2",
  "http",
  "http-body",
- "hyper",
+ "hyper 0.14.24",
  "hyper-rustls",
  "hyper-tls",
  "ipnet",
  "js-sys",
- "log",
- "mime",
+ "log 0.4.17",
+ "mime 0.3.16",
  "native-tls",
  "once_cell",
  "percent-encoding 2.2.0",
  "pin-project-lite",
  "rustls 0.20.8",
- "rustls-pemfile",
+ "rustls-pemfile 1.0.2",
  "serde",
  "serde_json",
  "serde_urlencoded",
@@ -4284,7 +4737,7 @@ dependencies = [
  "borsh 0.10.2",
  "bytecheck",
  "byteorder",
- "bytes",
+ "bytes 1.4.0",
  "num-traits",
  "rand 0.8.5",
  "rkyv",
@@ -4314,6 +4767,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver 0.9.0",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.3.3"
@@ -4348,7 +4810,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35edb675feee39aec9c99fa5ff985081995a06d594114ae14cbe797ad7b7a6d7"
 dependencies = [
  "base64 0.13.1",
- "log",
+ "log 0.4.17",
  "ring",
  "sct 0.6.1",
  "webpki 0.21.4",
@@ -4360,7 +4822,7 @@ version = "0.20.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fff78fc74d175294f4e83b28343315ffcfb114b156f0185e9741cb5570f50e2f"
 dependencies = [
- "log",
+ "log 0.4.17",
  "ring",
  "sct 0.7.0",
  "webpki 0.22.0",
@@ -4373,11 +4835,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0167bac7a9f490495f3c33013e7722b53cb087ecbe082fb0c6387c96f634ea50"
 dependencies = [
  "openssl-probe",
- "rustls-pemfile",
+ "rustls-pemfile 1.0.2",
  "schannel",
  "security-framework",
 ]
 
+[[package]]
+name = "rustls-pemfile"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5eebeaeb360c87bfb72e84abdb3447159c0eaececf1bef2aecd65a8be949d1c9"
+dependencies = [
+ "base64 0.13.1",
+]
+
 [[package]]
 name = "rustls-pemfile"
 version = "1.0.2"
@@ -4405,6 +4876,12 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "98a01dab6acf992653be49205bdd549f32f17cb2803e8eacf1560bf97259aae8"
 
+[[package]]
+name = "safemem"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -4423,6 +4900,12 @@ dependencies = [
  "windows-sys 0.42.0",
 ]
 
+[[package]]
+name = "scoped-tls"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -4504,13 +4987,22 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser 0.7.0",
+]
+
 [[package]]
 name = "semver"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f301af10236f6df4160f7c3f04eec6dbc70ace82d23326abad5edee88801c6b6"
 dependencies = [
- "semver-parser",
+ "semver-parser 0.10.2",
 ]
 
 [[package]]
@@ -4519,6 +5011,12 @@ version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "58bc9567378fc7690d6b2addae4e60ac2eeea07becb2c64b9f218b53865cba2a"
 
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "semver-parser"
 version = "0.10.2"
@@ -4650,6 +5148,18 @@ dependencies = [
  "without-alloc",
 ]
 
+[[package]]
+name = "sha-1"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
+dependencies = [
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
+ "fake-simd",
+ "opaque-debug 0.2.3",
+]
+
 [[package]]
 name = "sha-1"
 version = "0.9.8"
@@ -4660,7 +5170,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "cpufeatures",
  "digest 0.9.0",
- "opaque-debug",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -4695,7 +5205,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "cpufeatures",
  "digest 0.9.0",
- "opaque-debug",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -4718,7 +5228,7 @@ dependencies = [
  "block-buffer 0.9.0",
  "digest 0.9.0",
  "keccak",
- "opaque-debug",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -4780,7 +5290,7 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -4811,7 +5321,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95b6ff8c21c74ce7744643a7cddbb02579a44f1f77e4316bff1ddb741aca8ac9"
 dependencies = [
  "base64 0.13.1",
- "log",
+ "log 0.4.17",
  "openssl",
  "serde",
  "serde_derive",
@@ -4837,10 +5347,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41d1c5305e39e09653383c2c7244f2f78b3bcae37cf50c64cb4789c9f5096ec2"
 dependencies = [
  "base64 0.13.1",
- "bytes",
+ "bytes 1.4.0",
  "futures 0.3.26",
  "httparse",
- "log",
+ "log 0.4.17",
  "rand 0.8.5",
  "sha-1 0.9.8",
 ]
@@ -4875,7 +5385,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "bincode",
  "bytemuck",
- "log",
+ "log 0.4.17",
  "num-derive",
  "num-traits",
  "rustc_version 0.4.0",
@@ -4892,23 +5402,33 @@ dependencies = [
 name = "solana-bench-mango"
 version = "1.10.26"
 dependencies = [
+ "anyhow",
+ "arrayref",
+ "async-channel",
+ "async-trait",
  "borsh 0.9.3",
+ "bytemuck",
  "chrono",
  "clap 2.34.0",
  "crossbeam-channel",
  "csv",
  "fixed",
  "fixed-macro",
- "log",
+ "futures 0.3.26",
+ "jsonrpc-core 18.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core-client",
+ "log 0.4.17",
  "mango",
  "mango-common",
  "multiqueue",
+ "prost 0.9.0",
  "rand 0.8.5",
  "rayon",
  "serde",
  "serde_derive",
  "serde_json",
  "serde_yaml 0.8.26",
+ "solana-account-decoder",
  "solana-clap-utils",
  "solana-cli-config",
  "solana-client",
@@ -4924,6 +5444,10 @@ dependencies = [
  "solana-transaction-status",
  "solana-version",
  "thiserror",
+ "tokio",
+ "tonic 0.6.2",
+ "tonic-build 0.6.2",
+ "warp",
 ]
 
 [[package]]
@@ -4933,7 +5457,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "bv",
  "fnv",
- "log",
+ "log 0.4.17",
  "rand 0.7.3",
  "rayon",
  "rustc_version 0.4.0",
@@ -4952,7 +5476,7 @@ dependencies = [
  "bincode",
  "byteorder",
  "libsecp256k1",
- "log",
+ "log 0.4.17",
  "rand 0.7.3",
  "solana-measure",
  "solana-program-runtime",
@@ -4967,7 +5491,7 @@ name = "solana-bucket-map"
 version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
- "log",
+ "log 0.4.17",
  "memmap2",
  "modular-bitfield",
  "rand 0.7.3",
@@ -5020,7 +5544,7 @@ dependencies = [
  "futures-util",
  "indexmap",
  "indicatif",
- "log",
+ "log 0.4.17",
  "quinn",
  "rand 0.7.3",
  "rayon",
@@ -5073,7 +5597,7 @@ dependencies = [
  "bincode",
  "futures-util",
  "indexmap",
- "log",
+ "log 0.4.17",
  "rand 0.7.3",
  "rayon",
  "solana-measure",
@@ -5102,7 +5626,7 @@ dependencies = [
  "histogram",
  "itertools 0.10.5",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "lru",
  "min-max-heap",
  "num_enum",
@@ -5157,7 +5681,7 @@ dependencies = [
  "dlopen",
  "dlopen_derive",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "rand 0.7.3",
  "rayon",
  "serde",
@@ -5178,7 +5702,7 @@ dependencies = [
  "byteorder",
  "clap 2.34.0",
  "crossbeam-channel",
- "log",
+ "log 0.4.17",
  "serde",
  "serde_derive",
  "solana-clap-utils",
@@ -5206,12 +5730,12 @@ dependencies = [
  "byteorder",
  "cc",
  "either",
- "generic-array",
+ "generic-array 0.14.6",
  "getrandom 0.1.16",
  "hashbrown 0.12.3",
  "im",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "memmap2",
  "once_cell",
  "rand_core 0.6.4",
@@ -5239,12 +5763,12 @@ dependencies = [
  "byteorder",
  "cc",
  "either",
- "generic-array",
+ "generic-array 0.14.6",
  "getrandom 0.1.16",
  "hashbrown 0.12.3",
  "im",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "memmap2",
  "once_cell",
  "rand_core 0.6.4",
@@ -5287,7 +5811,7 @@ name = "solana-geyser-plugin-interface"
 version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
- "log",
+ "log 0.4.17",
  "solana-sdk 1.15.3",
  "solana-transaction-status",
  "thiserror",
@@ -5302,7 +5826,7 @@ dependencies = [
  "crossbeam-channel",
  "json5",
  "libloading",
- "log",
+ "log 0.4.17",
  "serde_json",
  "solana-geyser-plugin-interface",
  "solana-measure",
@@ -5323,10 +5847,10 @@ dependencies = [
  "bv",
  "clap 2.34.0",
  "crossbeam-channel",
- "flate2",
+ "flate2 1.0.25",
  "indexmap",
  "itertools 0.10.5",
- "log",
+ "log 0.4.17",
  "lru",
  "matches",
  "num-traits",
@@ -5379,7 +5903,7 @@ dependencies = [
  "itertools 0.10.5",
  "lazy_static",
  "libc",
- "log",
+ "log 0.4.17",
  "lru",
  "num_cpus",
  "num_enum",
@@ -5428,7 +5952,7 @@ checksum = "170714ca3612e4df75f57c2c14c8ab74654b3b66f668986aeed456cedcf24446"
 dependencies = [
  "env_logger",
  "lazy_static",
- "log",
+ "log 0.4.17",
 ]
 
 [[package]]
@@ -5438,7 +5962,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "env_logger",
  "lazy_static",
- "log",
+ "log 0.4.17",
 ]
 
 [[package]]
@@ -5446,7 +5970,7 @@ name = "solana-measure"
 version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
- "log",
+ "log 0.4.17",
  "solana-sdk 1.15.3",
 ]
 
@@ -5468,7 +5992,7 @@ dependencies = [
  "crossbeam-channel",
  "gethostname",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "reqwest",
  "solana-sdk 1.15.3",
 ]
@@ -5481,7 +6005,7 @@ dependencies = [
  "bincode",
  "clap 3.2.23",
  "crossbeam-channel",
- "log",
+ "log 0.4.17",
  "nix",
  "rand 0.7.3",
  "serde",
@@ -5509,7 +6033,7 @@ dependencies = [
  "fnv",
  "lazy_static",
  "libc",
- "log",
+ "log 0.4.17",
  "nix",
  "rand 0.7.3",
  "rayon",
@@ -5527,7 +6051,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "core_affinity",
  "crossbeam-channel",
- "log",
+ "log 0.4.17",
  "solana-entry",
  "solana-ledger",
  "solana-measure",
@@ -5567,7 +6091,7 @@ dependencies = [
  "lazy_static",
  "libc",
  "libsecp256k1",
- "log",
+ "log 0.4.17",
  "memoffset 0.8.0",
  "num-bigint 0.4.3",
  "num-derive",
@@ -5620,7 +6144,7 @@ dependencies = [
  "lazy_static",
  "libc",
  "libsecp256k1",
- "log",
+ "log 0.4.17",
  "memoffset 0.8.0",
  "num-bigint 0.4.3",
  "num-derive",
@@ -5657,7 +6181,7 @@ dependencies = [
  "itertools 0.10.5",
  "libc",
  "libloading",
- "log",
+ "log 0.4.17",
  "num-derive",
  "num-traits",
  "rand 0.7.3",
@@ -5679,7 +6203,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "crossbeam-channel",
  "futures-util",
- "log",
+ "log 0.4.17",
  "reqwest",
  "semver 1.0.16",
  "serde",
@@ -5706,7 +6230,7 @@ dependencies = [
  "futures 0.3.26",
  "itertools 0.10.5",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "quinn",
  "quinn-proto",
  "quinn-udp",
@@ -5739,7 +6263,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "console",
  "dialoguer",
- "log",
+ "log 0.4.17",
  "num-derive",
  "num-traits",
  "parking_lot 0.12.1",
@@ -5761,13 +6285,13 @@ dependencies = [
  "crossbeam-channel",
  "dashmap",
  "itertools 0.10.5",
- "jsonrpc-core",
+ "jsonrpc-core 18.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client",
  "jsonrpc-derive",
  "jsonrpc-http-server",
- "jsonrpc-pubsub",
+ "jsonrpc-pubsub 18.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc",
- "log",
+ "log 0.4.17",
  "rayon",
  "regex",
  "serde",
@@ -5814,7 +6338,7 @@ dependencies = [
  "bincode",
  "bs58 0.4.0",
  "indicatif",
- "log",
+ "log 0.4.17",
  "reqwest",
  "semver 1.0.16",
  "serde",
@@ -5836,7 +6360,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "base64 0.13.1",
  "bs58 0.4.0",
- "jsonrpc-core",
+ "jsonrpc-core 18.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest",
  "semver 1.0.16",
  "serde",
@@ -5877,13 +6401,13 @@ dependencies = [
  "crossbeam-channel",
  "dashmap",
  "dir-diff",
- "flate2",
+ "flate2 1.0.25",
  "fnv",
  "im",
  "index_list",
  "itertools 0.10.5",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "lru",
  "lz4",
  "memmap2",
@@ -5943,13 +6467,13 @@ dependencies = [
  "digest 0.10.6",
  "ed25519-dalek",
  "ed25519-dalek-bip32",
- "generic-array",
+ "generic-array 0.14.6",
  "hmac 0.12.1",
  "itertools 0.10.5",
  "js-sys",
  "lazy_static",
  "libsecp256k1",
- "log",
+ "log 0.4.17",
  "memmap2",
  "num-derive",
  "num-traits",
@@ -5995,13 +6519,13 @@ dependencies = [
  "digest 0.10.6",
  "ed25519-dalek",
  "ed25519-dalek-bip32",
- "generic-array",
+ "generic-array 0.14.6",
  "hmac 0.12.1",
  "itertools 0.10.5",
  "js-sys",
  "lazy_static",
  "libsecp256k1",
- "log",
+ "log 0.4.17",
  "memmap2",
  "num-derive",
  "num-traits",
@@ -6060,7 +6584,7 @@ version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
  "crossbeam-channel",
- "log",
+ "log 0.4.17",
  "solana-client",
  "solana-measure",
  "solana-metrics",
@@ -6075,7 +6599,7 @@ version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
  "bincode",
- "log",
+ "log 0.4.17",
  "rustc_version 0.4.0",
  "solana-config-program",
  "solana-program-runtime",
@@ -6090,16 +6614,16 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "backoff",
  "bincode",
- "bytes",
+ "bytes 1.4.0",
  "bzip2",
  "enum-iterator",
- "flate2",
+ "flate2 1.0.25",
  "futures 0.3.26",
  "goauth",
  "http",
- "hyper",
+ "hyper 0.14.24",
  "hyper-proxy",
- "log",
+ "log 0.4.17",
  "openssl",
  "prost 0.11.6",
  "prost-types 0.11.6",
@@ -6143,7 +6667,7 @@ dependencies = [
  "indexmap",
  "itertools 0.10.5",
  "libc",
- "log",
+ "log 0.4.17",
  "nix",
  "pem",
  "percentage",
@@ -6169,7 +6693,7 @@ source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6
 dependencies = [
  "clap 2.34.0",
  "libc",
- "log",
+ "log 0.4.17",
  "nix",
  "solana-logger 1.15.3",
  "solana-version",
@@ -6184,7 +6708,7 @@ version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
  "bincode",
- "log",
+ "log 0.4.17",
  "rayon",
  "solana-connection-cache",
  "solana-rpc-client",
@@ -6203,7 +6727,7 @@ dependencies = [
  "futures-util",
  "indexmap",
  "indicatif",
- "log",
+ "log 0.4.17",
  "rand 0.7.3",
  "rayon",
  "solana-connection-cache",
@@ -6229,7 +6753,7 @@ dependencies = [
  "borsh 0.9.3",
  "bs58 0.4.0",
  "lazy_static",
- "log",
+ "log 0.4.17",
  "serde",
  "serde_derive",
  "serde_json",
@@ -6263,7 +6787,7 @@ name = "solana-version"
 version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
- "log",
+ "log 0.4.17",
  "rustc_version 0.4.0",
  "semver 1.0.16",
  "serde",
@@ -6279,7 +6803,7 @@ version = "1.15.3"
 source = "git+https://github.com/solana-labs/solana.git?branch=v1.15#b1bdeb1e8b6b29b24fbd4ce811469bb60dc4b11f"
 dependencies = [
  "bincode",
- "log",
+ "log 0.4.17",
  "num-derive",
  "num-traits",
  "rustc_version 0.4.0",
@@ -6380,7 +6904,7 @@ dependencies = [
  "goblin",
  "hash32",
  "libc",
- "log",
+ "log 0.4.17",
  "rand 0.8.5",
  "rustc-demangle",
  "scroll",
@@ -6797,11 +7321,11 @@ version = "1.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9d0183f6f6001549ab68f8c7585093bb732beefbcf6d23a10b9b95c73a1dd49"
 dependencies = [
- "autocfg",
- "bytes",
+ "autocfg 1.1.0",
+ "bytes 1.4.0",
  "libc",
  "memchr",
- "mio",
+ "mio 0.7.14",
  "num_cpus",
  "once_cell",
  "parking_lot 0.11.2",
@@ -6811,6 +7335,38 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "tokio-codec"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25b2998660ba0e70d18684de5d06b70b70a3a747469af9dea7618cc59e75976b"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "tokio-io",
+]
+
+[[package]]
+name = "tokio-executor"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
+dependencies = [
+ "crossbeam-utils 0.7.2",
+ "futures 0.1.31",
+]
+
+[[package]]
+name = "tokio-io"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "log 0.4.17",
+]
+
 [[package]]
 name = "tokio-io-timeout"
 version = "1.2.0"
@@ -6842,6 +7398,25 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-reactor"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
+dependencies = [
+ "crossbeam-utils 0.7.2",
+ "futures 0.1.31",
+ "lazy_static",
+ "log 0.4.17",
+ "mio 0.6.23",
+ "num_cpus",
+ "parking_lot 0.9.0",
+ "slab",
+ "tokio-executor",
+ "tokio-io",
+ "tokio-sync",
+]
+
 [[package]]
 name = "tokio-rustls"
 version = "0.22.0"
@@ -6875,6 +7450,41 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-sync"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edfe50152bc8164fcc456dab7891fa9bf8beaf01c5ee7e1dd43a397c3cf87dee"
+dependencies = [
+ "fnv",
+ "futures 0.1.31",
+]
+
+[[package]]
+name = "tokio-tcp"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98df18ed66e3b72e742f185882a9e201892407957e45fbff8da17ae7a7c51f72"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "iovec",
+ "mio 0.6.23",
+ "tokio-io",
+ "tokio-reactor",
+]
+
+[[package]]
+name = "tokio-tls"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "354b8cd83825b3c20217a9dc174d6a0c67441a2fae5c41bcb1ea6679f6ae0f7c"
+dependencies = [
+ "futures 0.1.31",
+ "native-tls",
+ "tokio-io",
+]
+
 [[package]]
 name = "tokio-tungstenite"
 version = "0.17.2"
@@ -6882,7 +7492,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f714dd15bead90401d77e04243611caec13726c2408afd5b31901dfcdcb3b181"
 dependencies = [
  "futures-util",
- "log",
+ "log 0.4.17",
  "rustls 0.20.8",
  "tokio",
  "tokio-rustls 0.23.4",
@@ -6897,11 +7507,11 @@ version = "0.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "36943ee01a6d67977dd3f84a5a1d2efeb4ada3a1ae771cadfaa535d9d9fc6507"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "futures-core",
  "futures-io",
  "futures-sink",
- "log",
+ "log 0.4.17",
  "pin-project-lite",
  "tokio",
 ]
@@ -6912,7 +7522,7 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f988a1a1adc2fb21f9c12aa96441da33a1728193ae0b95d2be22dbd17fcb4e5c"
 dependencies = [
- "bytes",
+ "bytes 1.4.0",
  "futures-core",
  "futures-sink",
  "pin-project-lite",
@@ -6955,13 +7565,14 @@ dependencies = [
  "async-stream",
  "async-trait",
  "base64 0.13.1",
- "bytes",
+ "bytes 1.4.0",
+ "flate2 1.0.25",
  "futures-core",
  "futures-util",
  "h2",
  "http",
  "http-body",
- "hyper",
+ "hyper 0.14.24",
  "hyper-timeout",
  "percent-encoding 2.2.0",
  "pin-project",
@@ -6988,19 +7599,19 @@ dependencies = [
  "async-trait",
  "axum",
  "base64 0.13.1",
- "bytes",
+ "bytes 1.4.0",
  "futures-core",
  "futures-util",
  "h2",
  "http",
  "http-body",
- "hyper",
+ "hyper 0.14.24",
  "hyper-timeout",
  "percent-encoding 2.2.0",
  "pin-project",
  "prost 0.11.6",
  "prost-derive 0.11.6",
- "rustls-pemfile",
+ "rustls-pemfile 1.0.2",
  "tokio",
  "tokio-rustls 0.23.4",
  "tokio-stream",
@@ -7064,7 +7675,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f873044bf02dd1e8239e9c1293ea39dad76dc594ec16185d0a1bf31d8dc8d858"
 dependencies = [
  "bitflags",
- "bytes",
+ "bytes 1.4.0",
  "futures-core",
  "futures-util",
  "http",
@@ -7095,7 +7706,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
 dependencies = [
  "cfg-if 1.0.0",
- "log",
+ "log 0.4.17",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -7131,6 +7742,12 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "traitobject"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
+
 [[package]]
 name = "trees"
 version = "0.4.2"
@@ -7151,10 +7768,10 @@ checksum = "e27992fd6a8c29ee7eef28fc78349aa244134e10ad447ce3b9f0ac0ed0fa4ce0"
 dependencies = [
  "base64 0.13.1",
  "byteorder",
- "bytes",
+ "bytes 1.4.0",
  "http",
  "httparse",
- "log",
+ "log 0.4.17",
  "rand 0.8.5",
  "rustls 0.20.8",
  "sha-1 0.10.1",
@@ -7165,6 +7782,21 @@ dependencies = [
  "webpki-roots",
 ]
 
+[[package]]
+name = "twoway"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59b11b2b5241ba34be09c3cc85a36e56e48f9888862e19cedf23336d35316ed1"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "typeable"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1410f6f91f21d1612654e7cc69193b0334f909dcf2c790c4826254fbb86f8887"
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -7177,13 +7809,22 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e79c4d996edb816c91e4308506774452e55e95c3c9de07b6729e17e15a5ef81"
 
+[[package]]
+name = "unicase"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
+dependencies = [
+ "version_check 0.1.5",
+]
+
 [[package]]
 name = "unicase"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
 dependencies = [
- "version_check",
+ "version_check 0.9.4",
 ]
 
 [[package]]
@@ -7237,7 +7878,7 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f214e8f697e925001e66ec2c6e37a4ef93f0f78c2eed7814394e10c62025b05"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.6",
  "subtle",
 ]
 
@@ -7271,7 +7912,7 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fa7a7a734c1a5664a662ddcea0b6c9472a21da8888c957c7f1eaa09dba7a939"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -7319,7 +7960,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4227e95324a443c9fcb06e03d4d85e91aabe9a5a02aa818688b6918b6af486"
 dependencies = [
  "libc",
- "log",
+ "log 0.4.17",
 ]
 
 [[package]]
@@ -7340,6 +7981,12 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
+[[package]]
+name = "version_check"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -7369,10 +8016,41 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 dependencies = [
- "log",
+ "log 0.4.17",
  "try-lock",
 ]
 
+[[package]]
+name = "warp"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed7b8be92646fc3d18b06147664ebc5f48d222686cb11a8755e561a735aacc6d"
+dependencies = [
+ "bytes 1.4.0",
+ "futures-channel",
+ "futures-util",
+ "headers",
+ "http",
+ "hyper 0.14.24",
+ "log 0.4.17",
+ "mime 0.3.16",
+ "mime_guess",
+ "multipart",
+ "percent-encoding 2.2.0",
+ "pin-project",
+ "rustls-pemfile 0.2.1",
+ "scoped-tls",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-stream",
+ "tokio-tungstenite",
+ "tokio-util 0.7.2",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "wasi"
 version = "0.9.0+wasi-snapshot-preview1"
@@ -7408,7 +8086,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95ce90fd5bcc06af55a641a86428ee4229e44e07033963a2290a8e241607ccb9"
 dependencies = [
  "bumpalo",
- "log",
+ "log 0.4.17",
  "once_cell",
  "proc-macro2 1.0.51",
  "quote 1.0.23",
@@ -7496,6 +8174,47 @@ dependencies = [
  "webpki 0.22.0",
 ]
 
+[[package]]
+name = "websocket"
+version = "0.26.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92aacab060eea423e4036820ddd28f3f9003b2c4d8048cbda985e5a14e18038d"
+dependencies = [
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "hyper 0.10.16",
+ "native-tls",
+ "rand 0.6.5",
+ "tokio-codec",
+ "tokio-io",
+ "tokio-reactor",
+ "tokio-tcp",
+ "tokio-tls",
+ "unicase 1.4.2",
+ "url 1.7.2",
+ "websocket-base",
+]
+
+[[package]]
+name = "websocket-base"
+version = "0.26.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49aec794b07318993d1db16156d5a9c750120597a5ee40c6b928d416186cb138"
+dependencies = [
+ "base64 0.10.1",
+ "bitflags",
+ "byteorder",
+ "bytes 0.4.12",
+ "futures 0.1.31",
+ "native-tls",
+ "rand 0.6.5",
+ "sha-1 0.8.2",
+ "tokio-codec",
+ "tokio-io",
+ "tokio-tcp",
+ "tokio-tls",
+]
+
 [[package]]
 name = "which"
 version = "4.4.0"
@@ -7650,6 +8369,16 @@ dependencies = [
  "unsize",
 ]
 
+[[package]]
+name = "ws2_32-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
+
 [[package]]
 name = "x509-parser"
 version = "0.14.0"
diff --git a/Cargo.toml b/Cargo.toml
index 6101b85..f1e1d6b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,10 +40,27 @@ solana-version = { git = "https://github.com/solana-labs/solana.git", branch="v1
 solana-logger = { git = "https://github.com/solana-labs/solana.git", branch="v1.15" }
 solana-transaction-status = { git = "https://github.com/solana-labs/solana.git", branch="v1.15" }
 solana-quic-client = { git = "https://github.com/solana-labs/solana.git", branch="v1.15" }
+solana-account-decoder = { git = "https://github.com/solana-labs/solana.git", branch="v1.15" }
+
 
 thiserror = "1.0"
 solana-program = ">=1.9.0"
 csv = "1.0.0"
+tonic = { version = "0.6", features = ["tls", "compression"] }
+tokio = { version = "1", features = ["full"] }
+anyhow = "1.0"
+async-channel = "1.6"
+async-trait = "0.1"
+prost = "0.9"
+warp = "0.3"
+futures = "0.3.17"
+jsonrpc-core = "18.0.0"
+jsonrpc-core-client = { version = "18.0.0",  features = ["ws", "http"] }
+arrayref = "*"
+bytemuck = "1.7.2"
+
+[build-dependencies]
+tonic-build = { version = "0.6", features = ["compression"] }
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
@@ -51,4 +68,8 @@ targets = ["x86_64-unknown-linux-gnu"]
 exclude = [
     "deps/solana",
     "deps/mango-v3",
-]
\ No newline at end of file
+]
+
+[patch.crates-io]
+# for gzip encoded responses
+jsonrpc-core-client = { git = "https://github.com/ckamm/jsonrpc.git", branch = "ckamm/http-with-gzip" }
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..e335e39
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,4 @@
+fn main() {
+  tonic_build::compile_protos("./proto/geyser.proto")
+      .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+}
diff --git a/proto/geyser.proto b/proto/geyser.proto
new file mode 100644
index 0000000..5b27388
--- /dev/null
+++ b/proto/geyser.proto
@@ -0,0 +1,92 @@
+syntax = "proto3";
+
+import public "solana-storage-v1.10.40.proto";
+
+package geyser;
+
+service Geyser {
+  rpc Subscribe(stream SubscribeRequest) returns (stream SubscribeUpdate) {}
+}
+
+message SubscribeRequest {
+  map<string, SubscribeRequestFilterAccounts> accounts = 1;
+  map<string, SubscribeRequestFilterSlots> slots = 2;
+  map<string, SubscribeRequestFilterTransactions> transactions = 3;
+  map<string, SubscribeRequestFilterBlocks> blocks = 4;
+}
+
+message SubscribeRequestFilterAccounts {
+  repeated string account = 2;
+  repeated string owner = 3;
+}
+
+message SubscribeRequestFilterSlots {}
+
+message SubscribeRequestFilterTransactions {
+  optional bool vote = 1;
+  optional bool failed = 2;
+  repeated string account_include = 3;
+  repeated string account_exclude = 4;
+}
+
+message SubscribeRequestFilterBlocks {}
+
+message SubscribeUpdate {
+  repeated string filters = 1;
+  oneof update_oneof {
+    SubscribeUpdateAccount account = 2;
+    SubscribeUpdateSlot slot = 3;
+    SubscribeUpdateTransaction transaction = 4;
+    SubscribeUpdateBlock block = 5;
+  }
+}
+
+message SubscribeUpdateAccount {
+  SubscribeUpdateAccountInfo account = 1;
+  uint64 slot = 2;
+  bool is_startup = 3;
+}
+
+message SubscribeUpdateAccountInfo {
+  bytes pubkey = 1;
+  uint64 lamports = 2;
+  bytes owner = 3;
+  bool executable = 4;
+  uint64 rent_epoch = 5;
+  bytes data = 6;
+  uint64 write_version = 7;
+  // bytes txn_signature = 8;
+}
+
+message SubscribeUpdateSlot {
+  uint64 slot = 1;
+  optional uint64 parent = 2;
+  SubscribeUpdateSlotStatus status = 3;
+}
+
+enum SubscribeUpdateSlotStatus {
+  PROCESSED = 0;
+  CONFIRMED = 1;
+  FINALIZED = 2;
+}
+
+message SubscribeUpdateTransaction {
+  SubscribeUpdateTransactionInfo transaction = 1;
+  uint64 slot = 2;
+}
+
+message SubscribeUpdateTransactionInfo {
+  bytes signature = 1;
+  bool is_vote = 2;
+  solana.storage.ConfirmedBlock.Transaction transaction = 3;
+  solana.storage.ConfirmedBlock.TransactionStatusMeta meta = 4;
+  // uint64 index = 5;
+}
+
+message SubscribeUpdateBlock {
+  uint64 slot = 1;
+  string blockhash = 2;
+  solana.storage.ConfirmedBlock.Rewards rewards = 3;
+  solana.storage.ConfirmedBlock.UnixTimestamp block_time = 4;
+  solana.storage.ConfirmedBlock.BlockHeight block_height = 5;
+}
diff --git a/proto/solana-storage-v1.10.40.proto b/proto/solana-storage-v1.10.40.proto
new file mode 100644
index 0000000..6ae8da5
--- /dev/null
+++ b/proto/solana-storage-v1.10.40.proto
@@ -0,0 +1,118 @@
+syntax = "proto3";
+
+package solana.storage.ConfirmedBlock;
+
+message ConfirmedBlock {
+    string previous_blockhash = 1;
+    string blockhash = 2;
+    uint64 parent_slot = 3;
+    repeated ConfirmedTransaction transactions = 4;
+    repeated Reward rewards = 5;
+    UnixTimestamp block_time = 6;
+    BlockHeight block_height = 7;
+}
+
+message ConfirmedTransaction {
+    Transaction transaction = 1;
+    TransactionStatusMeta meta = 2;
+}
+
+message Transaction {
+    repeated bytes signatures = 1;
+    Message message = 2;
+}
+
+message Message {
+    MessageHeader header = 1;
+    repeated bytes account_keys = 2;
+    bytes recent_blockhash = 3;
+    repeated CompiledInstruction instructions = 4;
+    bool versioned = 5;
+    repeated MessageAddressTableLookup address_table_lookups = 6;
+}
+
+message MessageHeader {
+    uint32 num_required_signatures = 1;
+    uint32 num_readonly_signed_accounts = 2;
+    uint32 num_readonly_unsigned_accounts = 3;
+}
+
+message MessageAddressTableLookup {
+    bytes account_key = 1;
+    bytes writable_indexes = 2;
+    bytes readonly_indexes = 3;
+}
+
+message TransactionStatusMeta {
+    TransactionError err = 1;
+    uint64 fee = 2;
+    repeated uint64 pre_balances = 3;
+    repeated uint64 post_balances = 4;
+    repeated InnerInstructions inner_instructions = 5;
+    bool inner_instructions_none = 10;
+    repeated string log_messages = 6;
+    bool log_messages_none = 11;
+    repeated TokenBalance pre_token_balances = 7;
+    repeated TokenBalance post_token_balances = 8;
+    repeated Reward rewards = 9;
+    repeated bytes loaded_writable_addresses = 12;
+    repeated bytes loaded_readonly_addresses = 13;
+}
+
+message TransactionError {
+    bytes err = 1;
+}
+
+message InnerInstructions {
+    uint32 index = 1;
+    repeated CompiledInstruction instructions = 2;
+}
+
+message CompiledInstruction {
+    uint32 program_id_index = 1;
+    bytes accounts = 2;
+    bytes data = 3;
+}
+
+message TokenBalance {
+    uint32 account_index = 1;
+    string mint = 2;
+    UiTokenAmount ui_token_amount = 3;
+    string owner = 4;
+    string program_id = 5;
+}
+
+message UiTokenAmount {
+    double ui_amount = 1;
+    uint32 decimals = 2;
+    string amount = 3;
+    string ui_amount_string = 4;
+}
+
+enum RewardType {
+    Unspecified = 0;
+    Fee = 1;
+    Rent = 2;
+    Staking = 3;
+    Voting = 4;
+}
+
+message Reward {
+    string pubkey = 1;
+    int64 lamports = 2;
+    uint64 post_balance = 3;
+    RewardType reward_type = 4;
+    string commission = 5;
+}
+
+message Rewards {
+  repeated Reward rewards = 1;
+}
+
+message UnixTimestamp {
+    int64 timestamp = 1;
+}
+
+message BlockHeight {
+    uint64 block_height = 1;
+}
diff --git a/src/account_write_filter.rs b/src/account_write_filter.rs
new file mode 100644
index 0000000..801d54e
--- /dev/null
+++ b/src/account_write_filter.rs
@@ -0,0 +1,134 @@
+use crate::{
+  chain_data::{AccountData, AccountWrite, SlotUpdate, ChainData, SlotData},
+  metrics::Metrics,
+};
+
+use async_trait::async_trait;
+use solana_sdk::{account::WritableAccount, stake_history::Epoch, pubkey::Pubkey};
+use std::{
+  collections::{BTreeSet, HashMap},
+  sync::Arc,
+  time::{Duration, Instant},
+};
+
+#[async_trait]
+pub trait AccountWriteSink {
+  async fn process(&self, pubkey: &Pubkey, account: &AccountData) -> Result<(), String>;
+}
+
+#[derive(Clone)]
+pub struct AccountWriteRoute {
+  pub matched_pubkeys: Vec<Pubkey>,
+  pub sink: Arc<dyn AccountWriteSink + Send + Sync>,
+  pub timeout_interval: Duration,
+}
+
+#[derive(Clone, Debug)]
+struct AcountWriteRecord {
+  slot: u64,
+  write_version: u64,
+  timestamp: Instant,
+}
+
+pub fn init(
+  routes: Vec<AccountWriteRoute>,
+  metrics_sender: Metrics,
+) -> anyhow::Result<(
+  async_channel::Sender<AccountWrite>,
+  async_channel::Sender<SlotUpdate>,
+)> {
+  // The actual message may want to also contain a retry count, if it self-reinserts on failure?
+  let (account_write_queue_sender, account_write_queue_receiver) =
+      async_channel::unbounded::<AccountWrite>();
+
+  // Slot updates flowing from the outside into the single processing thread. From
+  // there they'll flow into the postgres sending thread.
+  let (slot_queue_sender, slot_queue_receiver) = async_channel::unbounded::<SlotUpdate>();
+
+  let mut chain_data = ChainData::new(metrics_sender);
+  let mut last_updated = HashMap::<String, AcountWriteRecord>::new();
+
+  let all_queue_pks: BTreeSet<Pubkey> = routes
+      .iter()
+      .flat_map(|r| r.matched_pubkeys.iter())
+      .map(|pk| pk.clone())
+      .collect();
+
+  // update handling thread, reads both sloths and account updates
+  tokio::spawn(async move {
+      loop {
+          tokio::select! {
+              Ok(account_write) = account_write_queue_receiver.recv() => {
+                  if all_queue_pks.contains(&account_write.pubkey) {
+                      continue;
+                  }
+
+                  chain_data.update_account(
+                      account_write.pubkey,
+                      AccountData {
+                          slot: account_write.slot,
+                          write_version: account_write.write_version,
+                          account: WritableAccount::create(
+                              account_write.lamports,
+                              account_write.data.clone(),
+                              account_write.owner,
+                              account_write.executable,
+                              account_write.rent_epoch as Epoch,
+                          ),
+                      },
+                  );
+              }
+              Ok(slot_update) = slot_queue_receiver.recv() => {
+                chain_data.update_slot(SlotData {
+                      slot: slot_update.slot,
+                      parent: slot_update.parent,
+                      status: slot_update.status,
+                      chain: 0,
+                  });
+
+              }
+          }
+
+          for route in routes.iter() {
+              for pk in route.matched_pubkeys.iter() {
+                  match chain_data.account(&pk) {
+                      Ok(account_info) => {
+                          let pk_b58 = pk.to_string();
+                          if let Some(record) = last_updated.get(&pk_b58) {
+                              let is_unchanged = account_info.slot == record.slot
+                                  && account_info.write_version == record.write_version;
+                              let is_throttled =
+                                  record.timestamp.elapsed() < route.timeout_interval;
+                              if is_unchanged || is_throttled {
+                                  continue;
+                              }
+                          };
+
+                          match route.sink.process(pk, account_info).await {
+                              Ok(()) => {
+                                  // todo: metrics
+                                  last_updated.insert(
+                                      pk_b58.clone(),
+                                      AcountWriteRecord {
+                                          slot: account_info.slot,
+                                          write_version: account_info.write_version,
+                                          timestamp: Instant::now(),
+                                      },
+                                  );
+                              }
+                              Err(_skip_reason) => {
+                                  // todo: metrics
+                              }
+                          }
+                      }
+                      Err(_) => {
+                          // todo: metrics
+                      }
+                  }
+              }
+          }
+      }
+  });
+
+  Ok((account_write_queue_sender, slot_queue_sender))
+}
diff --git a/src/blockhash_poller.rs b/src/blockhash_poller.rs
new file mode 100644
index 0000000..b9c6f9b
--- /dev/null
+++ b/src/blockhash_poller.rs
@@ -0,0 +1,45 @@
+use log::*;
+use solana_client::nonblocking::rpc_client::RpcClient;
+use solana_sdk::{clock::DEFAULT_MS_PER_SLOT, commitment_config::CommitmentConfig, hash::Hash};
+use std::{
+    sync::{Arc, RwLock},
+    time::Duration,
+};
+use tokio::{spawn, time::sleep};
+
+const RETRY_INTERVAL: Duration = Duration::from_millis(5 * DEFAULT_MS_PER_SLOT);
+
+pub async fn poll_loop(blockhash: Arc<RwLock<Hash>>, client: Arc<RpcClient>) {
+    let cfg = CommitmentConfig::processed();
+    loop {
+        let old_blockhash = *blockhash.read().unwrap();
+        if let Ok((new_blockhash, _)) = client.get_latest_blockhash_with_commitment(cfg).await {
+            if new_blockhash != old_blockhash {
+                debug!("new blockhash ({:?})", blockhash);
+                *blockhash.write().unwrap() = new_blockhash;
+            }
+        }
+
+        // Retry every few slots
+        sleep(RETRY_INTERVAL).await;
+    }
+}
+
+pub async fn init(client: Arc<RpcClient>) -> Arc<RwLock<Hash>> {
+    // get the first blockhash
+    let blockhash = Arc::new(RwLock::new(
+        client
+            .get_latest_blockhash()
+            .await
+            .expect("fetch initial blockhash"),
+    ));
+
+    // launch task
+    let _join_hdl = {
+        // create a thread-local reference to blockhash
+        let blockhash_c = blockhash.clone();
+        spawn(async move { poll_loop(blockhash_c, client).await })
+    };
+
+    return blockhash;
+}
diff --git a/src/chain_data.rs b/src/chain_data.rs
new file mode 100644
index 0000000..25dd811
--- /dev/null
+++ b/src/chain_data.rs
@@ -0,0 +1,268 @@
+use crate::metrics::{MetricType, MetricU64, Metrics};
+
+use {
+    solana_sdk::account::{Account, AccountSharedData, ReadableAccount},
+    solana_sdk::pubkey::Pubkey,
+    std::collections::HashMap,
+};
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub enum SlotStatus {
+    Rooted,
+    Confirmed,
+    Processed,
+}
+
+#[derive(Clone, Debug)]
+pub struct SlotData {
+    pub slot: u64,
+    pub parent: Option<u64>,
+    pub status: SlotStatus,
+    pub chain: u64, // the top slot that this is in a chain with. uncles will have values < tip
+}
+
+#[derive(Clone, Debug)]
+pub struct AccountData {
+    pub slot: u64,
+    pub write_version: u64,
+    pub account: AccountSharedData,
+}
+
+
+#[derive(Clone, PartialEq, Debug)]
+pub struct AccountWrite {
+    pub pubkey: Pubkey,
+    pub slot: u64,
+    pub write_version: u64,
+    pub lamports: u64,
+    pub owner: Pubkey,
+    pub executable: bool,
+    pub rent_epoch: u64,
+    pub data: Vec<u8>,
+    pub is_selected: bool,
+}
+
+impl AccountWrite {
+    pub fn from(pubkey: Pubkey, slot: u64, write_version: u64, account: Account) -> AccountWrite {
+        AccountWrite {
+            pubkey,
+            slot: slot,
+            write_version,
+            lamports: account.lamports,
+            owner: account.owner,
+            executable: account.executable,
+            rent_epoch: account.rent_epoch,
+            data: account.data,
+            is_selected: true,
+        }
+    }
+}
+
+#[derive(Clone, Debug)]
+pub struct SlotUpdate {
+    pub slot: u64,
+    pub parent: Option<u64>,
+    pub status: SlotStatus,
+}
+
+
+/// Track slots and account writes
+///
+/// - use account() to retrieve the current best data for an account.
+/// - update_from_snapshot() and update_from_websocket() update the state for new messages
+pub struct ChainData {
+    /// only slots >= newest_rooted_slot are retained
+    slots: HashMap<u64, SlotData>,
+    /// writes to accounts, only the latest rooted write an newer are retained
+    accounts: HashMap<Pubkey, Vec<AccountData>>,
+    newest_rooted_slot: u64,
+    newest_processed_slot: u64,
+    account_versions_stored: usize,
+    account_bytes_stored: usize,
+    metric_accounts_stored: MetricU64,
+    metric_account_versions_stored: MetricU64,
+    metric_account_bytes_stored: MetricU64,
+}
+
+impl ChainData {
+    pub fn new(metrics_sender: Metrics) -> Self {
+        Self {
+            slots: HashMap::new(),
+            accounts: HashMap::new(),
+            newest_rooted_slot: 0,
+            newest_processed_slot: 0,
+            account_versions_stored: 0,
+            account_bytes_stored: 0,
+            metric_accounts_stored: metrics_sender
+                .register_u64("chaindata_accounts_stored".into(), MetricType::Gauge),
+            metric_account_versions_stored: metrics_sender.register_u64(
+                "chaindata_account_versions_stored".into(),
+                MetricType::Gauge,
+            ),
+            metric_account_bytes_stored: metrics_sender
+                .register_u64("chaindata_account_bytes_stored".into(), MetricType::Gauge),
+        }
+    }
+
+    pub fn update_slot(&mut self, new_slot: SlotData) {
+        let new_processed_head = new_slot.slot > self.newest_processed_slot;
+        if new_processed_head {
+            self.newest_processed_slot = new_slot.slot;
+        }
+
+        let new_rooted_head =
+            new_slot.slot > self.newest_rooted_slot && new_slot.status == SlotStatus::Rooted;
+        if new_rooted_head {
+            self.newest_rooted_slot = new_slot.slot;
+        }
+
+        let mut parent_update = false;
+
+        use std::collections::hash_map::Entry;
+        match self.slots.entry(new_slot.slot) {
+            Entry::Vacant(v) => {
+                v.insert(new_slot);
+            }
+            Entry::Occupied(o) => {
+                let v = o.into_mut();
+                parent_update = v.parent != new_slot.parent && new_slot.parent.is_some();
+                v.parent = v.parent.or(new_slot.parent);
+                v.status = new_slot.status;
+            }
+        };
+
+        if new_processed_head || parent_update {
+            // update the "chain" field down to the first rooted slot
+            let mut slot = self.newest_processed_slot;
+            loop {
+                if let Some(data) = self.slots.get_mut(&slot) {
+                    data.chain = self.newest_processed_slot;
+                    if data.status == SlotStatus::Rooted {
+                        break;
+                    }
+                    if let Some(parent) = data.parent {
+                        slot = parent;
+                        continue;
+                    }
+                }
+                break;
+            }
+        }
+
+        if new_rooted_head {
+            // for each account, preserve only writes > newest_rooted_slot, or the newest
+            // rooted write
+            self.account_versions_stored = 0;
+            self.account_bytes_stored = 0;
+
+            for (_, writes) in self.accounts.iter_mut() {
+                let newest_rooted_write = writes
+                    .iter()
+                    .rev()
+                    .find(|w| {
+                        w.slot <= self.newest_rooted_slot
+                            && self
+                                .slots
+                                .get(&w.slot)
+                                .map(|s| {
+                                    // sometimes we seem not to get notifications about slots
+                                    // getting rooted, hence assume non-uncle slots < newest_rooted_slot
+                                    // are rooted too
+                                    s.status == SlotStatus::Rooted
+                                        || s.chain == self.newest_processed_slot
+                                })
+                                // preserved account writes for deleted slots <= newest_rooted_slot
+                                // are expected to be rooted
+                                .unwrap_or(true)
+                    })
+                    .map(|w| w.slot)
+                    // no rooted write found: produce no effect, since writes > newest_rooted_slot are retained anyway
+                    .unwrap_or(self.newest_rooted_slot + 1);
+                writes
+                    .retain(|w| w.slot == newest_rooted_write || w.slot > self.newest_rooted_slot);
+                self.account_versions_stored += writes.len();
+                self.account_bytes_stored += writes
+                    .iter()
+                    .map(|w| w.account.data().len())
+                    .fold(0, |acc, l| acc + l)
+            }
+
+            // now it's fine to drop any slots before the new rooted head
+            // as account writes for non-rooted slots before it have been dropped
+            self.slots.retain(|s, _| *s >= self.newest_rooted_slot);
+
+            self.metric_accounts_stored.set(self.accounts.len() as u64);
+            self.metric_account_versions_stored
+                .set(self.account_versions_stored as u64);
+            self.metric_account_bytes_stored
+                .set(self.account_bytes_stored as u64);
+        }
+    }
+
+    pub fn update_account(&mut self, pubkey: Pubkey, account: AccountData) {
+        use std::collections::hash_map::Entry;
+        match self.accounts.entry(pubkey) {
+            Entry::Vacant(v) => {
+                self.account_versions_stored += 1;
+                self.account_bytes_stored += account.account.data().len();
+                v.insert(vec![account]);
+            }
+            Entry::Occupied(o) => {
+                let v = o.into_mut();
+                // v is ordered by slot ascending. find the right position
+                // overwrite if an entry for the slot already exists, otherwise insert
+                let rev_pos = v
+                    .iter()
+                    .rev()
+                    .position(|d| d.slot <= account.slot)
+                    .unwrap_or(v.len());
+                let pos = v.len() - rev_pos;
+                if pos < v.len() && v[pos].slot == account.slot {
+                    if v[pos].write_version < account.write_version {
+                        v[pos] = account;
+                    }
+                } else {
+                    self.account_versions_stored += 1;
+                    self.account_bytes_stored += account.account.data().len();
+                    v.insert(pos, account);
+                }
+            }
+        };
+    }
+
+    fn is_account_write_live(&self, write: &AccountData) -> bool {
+        self.slots
+            .get(&write.slot)
+            // either the slot is rooted or in the current chain
+            .map(|s| s.status == SlotStatus::Rooted || s.chain == self.newest_processed_slot)
+            // if the slot can't be found but preceeds newest rooted, use it too (old rooted slots are removed)
+            .unwrap_or(
+                write.slot <= self.newest_rooted_slot || write.slot > self.newest_processed_slot,
+            )
+    }
+
+    /// Cloned snapshot of all the most recent live writes per pubkey
+    pub fn accounts_snapshot(&self) -> HashMap<Pubkey, AccountData> {
+        self.accounts
+            .iter()
+            .filter_map(|(pubkey, writes)| {
+                let latest_good_write = writes
+                    .iter()
+                    .rev()
+                    .find(|w| self.is_account_write_live(w))?;
+                Some((pubkey.clone(), latest_good_write.clone()))
+            })
+            .collect()
+    }
+
+    /// Ref to the most recent live write of the pubkey
+    pub fn account<'a>(&'a self, pubkey: &Pubkey) -> anyhow::Result<&'a AccountData> {
+        self.accounts
+            .get(pubkey)
+            .ok_or(anyhow::anyhow!("account {} not found", pubkey))?
+            .iter()
+            .rev()
+            .find(|w| self.is_account_write_live(w))
+            .ok_or(anyhow::anyhow!("account {} has no live data", pubkey))
+    }
+}
diff --git a/src/crank.rs b/src/crank.rs
new file mode 100644
index 0000000..57afe43
--- /dev/null
+++ b/src/crank.rs
@@ -0,0 +1,73 @@
+use std::{thread::{JoinHandle, Builder}, sync::{Arc, RwLock}, str::FromStr, time::Duration};
+
+// use solana_client::rpc_client::RpcClient;
+use solana_sdk::{pubkey::Pubkey, signature::Keypair, instruction::Instruction};
+
+use crate::{mango::GroupConfig, account_write_filter::AccountWriteRoute, mango_v3_perp_crank_sink::MangoV3PerpCrankSink};
+
+
+
+
+// pub async fn send_tx_loop(
+//   ixs_rx: async_channel::Receiver<Vec<Instruction>>,
+//   blockhash: Arc<RwLock<Hash>>,
+//   client: Arc<RpcClient>,
+//   keypair: Keypair,
+// ) {
+//   info!("signing with keypair pk={:?}", keypair.pubkey());
+//   let cfg = RpcSendTransactionConfig {
+//       skip_preflight: true,
+//       ..RpcSendTransactionConfig::default()
+//   };
+//   loop {
+//       if let Ok(ixs) = ixs_rx.recv().await {
+//         // TODO add priority fee
+//           let tx = Transaction::new_signed_with_payer(
+//               &ixs,
+//               Some(&keypair.pubkey()),
+//               &[&keypair],
+//               *blockhash.read().unwrap(),
+//           );
+//           // TODO: collect metrics
+//           info!("send tx={:?} ok={:?}", tx.signatures[0], client.send_transaction_with_config(&tx, cfg).await);
+//       }
+//   }
+// }
+
+
+fn start_crank_thread(
+  identity: Keypair,
+  group: GroupConfig
+) -> JoinHandle<()> {
+
+  let perp_queue_pks: Vec<_> = group.perp_markets.iter().map(|m| (Pubkey::from_str(&m.public_key).unwrap(), Pubkey::from_str(&m.events_key).unwrap())).collect();
+  let group_pk = Pubkey::from_str(&group.public_key).unwrap();
+
+  return Builder::new()
+  .name("crank".to_string())
+  .spawn(move || {
+
+
+
+       // Event queue updates can be consumed by client connections
+       let (instruction_sender, instruction_receiver) = async_channel::unbounded::<Vec<Instruction>>();
+
+
+        
+        let routes = vec![
+       AccountWriteRoute {
+        matched_pubkeys: perp_queue_pks
+            .iter()
+            .map(|(_, evq_pk)| evq_pk.clone())
+            .collect(),
+        sink: Arc::new(MangoV3PerpCrankSink::new(
+            perp_queue_pks,
+            group_pk,
+            instruction_sender.clone(),
+        )),
+        timeout_interval: Duration::default(),
+    }];
+
+  }).expect("launch crank thread")
+
+} 
diff --git a/src/grpc_plugin_source.rs b/src/grpc_plugin_source.rs
new file mode 100644
index 0000000..790f4b4
--- /dev/null
+++ b/src/grpc_plugin_source.rs
@@ -0,0 +1,609 @@
+use futures::stream::once;
+use geyser::geyser_client::GeyserClient;
+use jsonrpc_core::futures::StreamExt;
+use jsonrpc_core_client::transports::http;
+
+use serde::Deserialize;
+use solana_account_decoder::{UiAccount, UiAccountEncoding};
+use solana_client::rpc_config::{RpcAccountInfoConfig, RpcProgramAccountsConfig};
+use solana_client::rpc_response::{OptionalContext, RpcKeyedAccount};
+use solana_rpc::rpc::rpc_accounts::AccountsDataClient;
+use solana_rpc::rpc::rpc_accounts_scan::AccountsScanClient;
+use solana_sdk::{account::Account, commitment_config::CommitmentConfig, pubkey::Pubkey};
+
+use futures::{future, future::FutureExt};
+use tonic::{
+    metadata::MetadataValue,
+    transport::{Certificate, Channel, ClientTlsConfig, Identity},
+    Request,
+};
+
+use log::*;
+use std::{collections::HashMap, env, str::FromStr, time::Duration};
+
+pub mod geyser {
+    tonic::include_proto!("geyser");
+}
+
+pub mod solana {
+    pub mod storage {
+        pub mod confirmed_block {
+            tonic::include_proto!("solana.storage.confirmed_block");
+        }
+    }
+}
+
+pub use geyser::*;
+pub use solana::storage::confirmed_block::*;
+
+use crate::{
+    chain_data::{AccountWrite, SlotStatus, SlotUpdate},
+    metrics::{MetricType, Metrics},
+    AnyhowWrap,
+};
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct SourceConfig {
+    pub dedup_queue_size: usize,
+    pub grpc_sources: Vec<GrpcSourceConfig>,
+    pub snapshot: SnapshotSourceConfig,
+    pub rpc_ws_url: String,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct GrpcSourceConfig {
+    pub name: String,
+    pub connection_string: String,
+    pub retry_connection_sleep_secs: u64,
+    pub tls: Option<TlsConfig>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct TlsConfig {
+    pub ca_cert_path: String,
+    pub client_cert_path: String,
+    pub client_key_path: String,
+    pub domain_name: String,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct FilterConfig {
+    pub program_ids: Vec<String>,
+    pub account_ids: Vec<String>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct SnapshotSourceConfig {
+    pub rpc_http_url: String,
+    pub program_id: String,
+}
+
+//use solana_geyser_connector_plugin_grpc::compression::zstd_decompress;
+
+struct SnapshotData {
+    slot: u64,
+    accounts: Vec<(String, Option<UiAccount>)>,
+}
+enum Message {
+    GrpcUpdate(geyser::SubscribeUpdate),
+    Snapshot(SnapshotData),
+}
+
+async fn get_snapshot_gpa(
+    rpc_http_url: String,
+    program_id: String,
+) -> anyhow::Result<OptionalContext<Vec<RpcKeyedAccount>>> {
+    let rpc_client = http::connect_with_options::<AccountsScanClient>(&rpc_http_url, true)
+        .await
+        .map_err_anyhow()?;
+
+    let account_info_config = RpcAccountInfoConfig {
+        encoding: Some(UiAccountEncoding::Base64),
+        commitment: Some(CommitmentConfig::finalized()),
+        data_slice: None,
+        min_context_slot: None,
+    };
+    let program_accounts_config = RpcProgramAccountsConfig {
+        filters: None,
+        with_context: Some(true),
+        account_config: account_info_config.clone(),
+    };
+
+    info!("requesting snapshot {}", program_id);
+    let account_snapshot = rpc_client
+        .get_program_accounts(program_id.clone(), Some(program_accounts_config.clone()))
+        .await
+        .map_err_anyhow()?;
+    info!("snapshot received {}", program_id);
+    Ok(account_snapshot)
+}
+
+async fn get_snapshot_gma(
+    rpc_http_url: String,
+    ids: Vec<String>,
+) -> anyhow::Result<solana_client::rpc_response::Response<Vec<Option<UiAccount>>>> {
+    let rpc_client = http::connect_with_options::<AccountsDataClient>(&rpc_http_url, true)
+        .await
+        .map_err_anyhow()?;
+
+    let account_info_config = RpcAccountInfoConfig {
+        encoding: Some(UiAccountEncoding::Base64),
+        commitment: Some(CommitmentConfig::finalized()),
+        data_slice: None,
+        min_context_slot: None,
+    };
+
+    info!("requesting snapshot {:?}", ids);
+    let account_snapshot = rpc_client
+        .get_multiple_accounts(ids.clone(), Some(account_info_config))
+        .await
+        .map_err_anyhow()?;
+    info!("snapshot received {:?}", ids);
+    Ok(account_snapshot)
+}
+
+async fn feed_data_geyser(
+    grpc_config: &GrpcSourceConfig,
+    tls_config: Option<ClientTlsConfig>,
+    snapshot_config: &SnapshotSourceConfig,
+    filter_config: &FilterConfig,
+    sender: async_channel::Sender<Message>,
+) -> anyhow::Result<()> {
+    let connection_string = match &grpc_config.connection_string.chars().next().unwrap() {
+        '$' => env::var(&grpc_config.connection_string[1..])
+            .expect("reading connection string from env"),
+        _ => grpc_config.connection_string.clone(),
+    };
+    let rpc_http_url = match &snapshot_config.rpc_http_url.chars().next().unwrap() {
+        '$' => env::var(&snapshot_config.rpc_http_url[1..])
+            .expect("reading connection string from env"),
+        _ => snapshot_config.rpc_http_url.clone(),
+    };
+    info!("connecting {}", connection_string);
+    let endpoint = Channel::from_shared(connection_string)?;
+    let channel = if let Some(tls) = tls_config {
+        endpoint.tls_config(tls)?
+    } else {
+        endpoint
+    }
+    .connect()
+    .await?;
+    let token: MetadataValue<_> = "eed31807f710e4bb098779fb9f67".parse()?;
+    let mut client = GeyserClient::with_interceptor(channel, move |mut req: Request<()>| {
+        req.metadata_mut().insert("x-token", token.clone());
+        Ok(req)
+    });
+
+    // If account_ids are provided, snapshot will be gMA. If only program_ids, then only the first id will be snapshot
+    // TODO: handle this better
+    if filter_config.program_ids.len() > 1 {
+        warn!("only one program id is supported for gPA snapshots")
+    }
+    let mut accounts = HashMap::new();
+    accounts.insert(
+        "client".to_owned(),
+        SubscribeRequestFilterAccounts {
+            account: filter_config.account_ids.clone(),
+            owner: filter_config.program_ids.clone(),
+        },
+    );
+    let mut slots = HashMap::new();
+    slots.insert("client".to_owned(), SubscribeRequestFilterSlots {});
+    let blocks = HashMap::new();
+    let transactions = HashMap::new();
+
+    let request = SubscribeRequest {
+        accounts,
+        blocks,
+        slots,
+        transactions,
+    };
+    info!("Going to send request: {:?}", request);
+
+    let response = client.subscribe(once(async move { request })).await?;
+    let mut update_stream = response.into_inner();
+
+    // We can't get a snapshot immediately since the finalized snapshot would be for a
+    // slot in the past and we'd be missing intermediate updates.
+    //
+    // Delay the request until the first slot we received all writes for becomes rooted
+    // to avoid that problem - partially. The rooted slot will still be larger than the
+    // finalized slot, so add a number of slots as a buffer.
+    //
+    // If that buffer isn't sufficient, there'll be a retry.
+
+    // The first slot that we will receive _all_ account writes for
+    let mut first_full_slot: u64 = u64::MAX;
+
+    // If a snapshot should be performed when ready.
+    let mut snapshot_needed = true;
+
+    // The highest "rooted" slot that has been seen.
+    let mut max_rooted_slot = 0;
+
+    // Data for slots will arrive out of order. This value defines how many
+    // slots after a slot was marked "rooted" we assume it'll not receive
+    // any more account write information.
+    //
+    // This is important for the write_version mapping (to know when slots can
+    // be dropped).
+    let max_out_of_order_slots = 40;
+
+    // Number of slots that we expect "finalized" commitment to lag
+    // behind "rooted". This matters for getProgramAccounts based snapshots,
+    // which will have "finalized" commitment.
+    let mut rooted_to_finalized_slots = 30;
+
+    let mut snapshot_gma = future::Fuse::terminated();
+    let mut snapshot_gpa = future::Fuse::terminated();
+
+    // The plugin sends a ping every 5s or so
+    let fatal_idle_timeout = Duration::from_secs(60);
+
+    // Highest slot that an account write came in for.
+    let mut newest_write_slot: u64 = 0;
+
+    struct WriteVersion {
+        // Write version seen on-chain
+        global: u64,
+        // The per-pubkey per-slot write version
+        slot: u32,
+    }
+
+    // map slot -> (pubkey -> WriteVersion)
+    //
+    // Since the write_version is a private indentifier per node it can't be used
+    // to deduplicate events from multiple nodes. Here we rewrite it such that each
+    // pubkey and each slot has a consecutive numbering of writes starting at 1.
+    //
+    // That number will be consistent for each node.
+    let mut slot_pubkey_writes = HashMap::<u64, HashMap<[u8; 32], WriteVersion>>::new();
+
+    loop {
+        tokio::select! {
+            update = update_stream.next() => {
+                use geyser::{subscribe_update::UpdateOneof};
+                let mut update = update.ok_or(anyhow::anyhow!("geyser plugin has closed the stream"))??;
+                match update.update_oneof.as_mut().expect("invalid grpc") {
+                    UpdateOneof::Slot(slot_update) => {
+                        let status = slot_update.status;
+                        if status == SubscribeUpdateSlotStatus::Finalized as i32 {
+                            if first_full_slot == u64::MAX {
+                                // TODO: is this equivalent to before? what was highesy_write_slot?
+                                first_full_slot = slot_update.slot + 1;
+                            }
+                            if slot_update.slot > max_rooted_slot {
+                                max_rooted_slot = slot_update.slot;
+
+                                // drop data for slots that are well beyond rooted
+                                slot_pubkey_writes.retain(|&k, _| k >= max_rooted_slot - max_out_of_order_slots);
+                            }
+
+                            if snapshot_needed && max_rooted_slot - rooted_to_finalized_slots > first_full_slot {
+                                snapshot_needed = false;
+                                if filter_config.account_ids.len() > 0 {
+                                    snapshot_gma = tokio::spawn(get_snapshot_gma(rpc_http_url.clone(), filter_config.account_ids.clone())).fuse();
+                                } else if filter_config.program_ids.len() > 0 {
+                                    snapshot_gpa = tokio::spawn(get_snapshot_gpa(rpc_http_url.clone(), filter_config.program_ids[0].clone())).fuse();
+                                }
+                            }
+                        }
+                    },
+                    UpdateOneof::Account(info) => {
+                        if info.slot < first_full_slot {
+                            // Don't try to process data for slots where we may have missed writes:
+                            // We could not map the write_version correctly for them.
+                            continue;
+                        }
+
+                        if info.slot > newest_write_slot {
+                            newest_write_slot = info.slot;
+                        } else if max_rooted_slot > 0 && info.slot < max_rooted_slot - max_out_of_order_slots {
+                            anyhow::bail!("received write {} slots back from max rooted slot {}", max_rooted_slot - info.slot, max_rooted_slot);
+                        }
+
+                        let pubkey_writes = slot_pubkey_writes.entry(info.slot).or_default();
+                        let mut write = match info.account.clone() {
+                            Some(x) => x,
+                            None => {
+                                // TODO: handle error
+                                continue;
+                            },
+                        };
+
+                        let pubkey_bytes = Pubkey::new(&write.pubkey).to_bytes();
+                        let write_version_mapping = pubkey_writes.entry(pubkey_bytes).or_insert(WriteVersion {
+                            global: write.write_version,
+                            slot: 1, // write version 0 is reserved for snapshots
+                        });
+
+                        // We assume we will receive write versions for each pubkey in sequence.
+                        // If this is not the case, logic here does not work correctly because
+                        // a later write could arrive first.
+                        if write.write_version < write_version_mapping.global {
+                            anyhow::bail!("unexpected write version: got {}, expected >= {}", write.write_version, write_version_mapping.global);
+                        }
+
+                        // Rewrite the update to use the local write version and bump it
+                        write.write_version = write_version_mapping.slot as u64;
+                        write_version_mapping.slot += 1;
+                    },
+                    UpdateOneof::Block(_) => {},
+                    UpdateOneof::Transaction(_) => {},
+                }
+                sender.send(Message::GrpcUpdate(update)).await.expect("send success");
+            },
+            snapshot = &mut snapshot_gma => {
+                let snapshot = snapshot??;
+                info!("snapshot is for slot {}, first full slot was {}", snapshot.context.slot, first_full_slot);
+                if snapshot.context.slot >= first_full_slot {
+                    let accounts: Vec<(String, Option<UiAccount>)> = filter_config.account_ids.iter().zip(snapshot.value).map(|x| (x.0.clone(), x.1)).collect();
+                    sender
+                    .send(Message::Snapshot(SnapshotData {
+                        accounts,
+                        slot: snapshot.context.slot,
+                    }))
+                    .await
+                    .expect("send success");
+                } else {
+                    info!(
+                        "snapshot is too old: has slot {}, expected {} minimum",
+                        snapshot.context.slot,
+                        first_full_slot
+                    );
+                    // try again in another 10 slots
+                    snapshot_needed = true;
+                    rooted_to_finalized_slots += 10;
+                }
+            },
+            snapshot = &mut snapshot_gpa => {
+                let snapshot = snapshot??;
+                if let OptionalContext::Context(snapshot_data) = snapshot {
+                    info!("snapshot is for slot {}, first full slot was {}", snapshot_data.context.slot, first_full_slot);
+                    if snapshot_data.context.slot >= first_full_slot {
+                        let accounts: Vec<(String, Option<UiAccount>)> = snapshot_data.value.iter().map(|x| {
+                            let deref = x.clone();
+                            (deref.pubkey, Some(deref.account))
+                        }).collect();
+                        sender
+                        .send(Message::Snapshot(SnapshotData {
+                            accounts,
+                            slot: snapshot_data.context.slot,
+                        }))
+                        .await
+                        .expect("send success");
+                    } else {
+                        info!(
+                            "snapshot is too old: has slot {}, expected {} minimum",
+                            snapshot_data.context.slot,
+                            first_full_slot
+                        );
+                        // try again in another 10 slots
+                        snapshot_needed = true;
+                        rooted_to_finalized_slots += 10;
+                    }
+                } else {
+                    anyhow::bail!("bad snapshot format");
+                }
+            },
+            _ = tokio::time::sleep(fatal_idle_timeout) => {
+                anyhow::bail!("geyser plugin hasn't sent a message in too long");
+            }
+        }
+    }
+}
+
+fn make_tls_config(config: &TlsConfig) -> ClientTlsConfig {
+    let server_root_ca_cert = match &config.ca_cert_path.chars().next().unwrap() {
+        '$' => env::var(&config.ca_cert_path[1..])
+            .expect("reading server root ca cert from env")
+            .into_bytes(),
+        _ => std::fs::read(&config.ca_cert_path).expect("reading server root ca cert from file"),
+    };
+    let server_root_ca_cert = Certificate::from_pem(server_root_ca_cert);
+    let client_cert = match &config.client_cert_path.chars().next().unwrap() {
+        '$' => env::var(&config.client_cert_path[1..])
+            .expect("reading client cert from env")
+            .into_bytes(),
+        _ => std::fs::read(&config.client_cert_path).expect("reading client cert from file"),
+    };
+    let client_key = match &config.client_key_path.chars().next().unwrap() {
+        '$' => env::var(&config.client_key_path[1..])
+            .expect("reading client key from env")
+            .into_bytes(),
+        _ => std::fs::read(&config.client_key_path).expect("reading client key from file"),
+    };
+    let client_identity = Identity::from_pem(client_cert, client_key);
+    let domain_name = match &config.domain_name.chars().next().unwrap() {
+        '$' => env::var(&config.domain_name[1..]).expect("reading domain name from env"),
+        _ => config.domain_name.clone(),
+    };
+    ClientTlsConfig::new()
+        .ca_certificate(server_root_ca_cert)
+        .identity(client_identity)
+        .domain_name(domain_name)
+}
+
+pub async fn process_events(
+    config: &SourceConfig,
+    filter_config: &FilterConfig,
+    account_write_queue_sender: async_channel::Sender<AccountWrite>,
+    slot_queue_sender: async_channel::Sender<SlotUpdate>,
+    metrics_sender: Metrics,
+) {
+    // Subscribe to geyser
+    let (msg_sender, msg_receiver) = async_channel::bounded::<Message>(config.dedup_queue_size);
+    for grpc_source in config.grpc_sources.clone() {
+        let msg_sender = msg_sender.clone();
+        let snapshot_source = config.snapshot.clone();
+        let metrics_sender = metrics_sender.clone();
+        let f = filter_config.clone();
+
+        // Make TLS config if configured
+        let tls_config = grpc_source.tls.as_ref().map(make_tls_config);
+
+        tokio::spawn(async move {
+            let mut metric_retries = metrics_sender.register_u64(
+                format!("grpc_source_{}_connection_retries", grpc_source.name,),
+                MetricType::Counter,
+            );
+            let metric_connected =
+                metrics_sender.register_bool(format!("grpc_source_{}_status", grpc_source.name));
+
+            // Continuously reconnect on failure
+            loop {
+                metric_connected.set(true);
+                let out = feed_data_geyser(
+                    &grpc_source,
+                    tls_config.clone(),
+                    &snapshot_source,
+                    &f,
+                    msg_sender.clone(),
+                );
+                let result = out.await;
+                assert!(result.is_err());
+                if let Err(err) = result {
+                    warn!(
+                        "error during communication with the geyser plugin. retrying. {:?}",
+                        err
+                    );
+                }
+
+                metric_connected.set(false);
+                metric_retries.increment();
+
+                tokio::time::sleep(std::time::Duration::from_secs(
+                    grpc_source.retry_connection_sleep_secs,
+                ))
+                .await;
+            }
+        });
+    }
+
+    // slot -> (pubkey -> write_version)
+    //
+    // To avoid unnecessarily sending requests to SQL, we track the latest write_version
+    // for each (slot, pubkey). If an already-seen write_version comes in, it can be safely
+    // discarded.
+    let mut latest_write = HashMap::<u64, HashMap<[u8; 32], u64>>::new();
+
+    // Number of slots to retain in latest_write
+    let latest_write_retention = 50;
+
+    let mut metric_account_writes =
+        metrics_sender.register_u64("grpc_account_writes".into(), MetricType::Counter);
+    let mut metric_account_queue =
+        metrics_sender.register_u64("grpc_account_write_queue".into(), MetricType::Gauge);
+    let mut metric_dedup_queue =
+        metrics_sender.register_u64("grpc_dedup_queue".into(), MetricType::Gauge);
+    let mut metric_slot_queue =
+        metrics_sender.register_u64("grpc_slot_update_queue".into(), MetricType::Gauge);
+    let mut metric_slot_updates =
+        metrics_sender.register_u64("grpc_slot_updates".into(), MetricType::Counter);
+    let mut metric_snapshots =
+        metrics_sender.register_u64("grpc_snapshots".into(), MetricType::Counter);
+    let mut metric_snapshot_account_writes =
+        metrics_sender.register_u64("grpc_snapshot_account_writes".into(), MetricType::Counter);
+
+    loop {
+        metric_dedup_queue.set(msg_receiver.len() as u64);
+        let msg = msg_receiver.recv().await.expect("sender must not close");
+        use geyser::subscribe_update::UpdateOneof;
+        match msg {
+            Message::GrpcUpdate(update) => {
+                match update.update_oneof.expect("invalid grpc") {
+                    UpdateOneof::Account(info) => {
+                        let update = match info.account.clone() {
+                            Some(x) => x,
+                            None => {
+                                // TODO: handle error
+                                continue;
+                            }
+                        };
+                        assert!(update.pubkey.len() == 32);
+                        assert!(update.owner.len() == 32);
+
+                        metric_account_writes.increment();
+                        metric_account_queue.set(account_write_queue_sender.len() as u64);
+
+                        // Skip writes that a different server has already sent
+                        let pubkey_writes = latest_write.entry(info.slot).or_default();
+                        let pubkey_bytes = Pubkey::new(&update.pubkey).to_bytes();
+                        let writes = pubkey_writes.entry(pubkey_bytes).or_insert(0);
+                        if update.write_version <= *writes {
+                            continue;
+                        }
+                        *writes = update.write_version;
+                        latest_write.retain(|&k, _| k >= info.slot - latest_write_retention);
+                        // let mut uncompressed: Vec<u8> = Vec::new();
+                        // zstd_decompress(&update.data, &mut uncompressed).unwrap();
+                        account_write_queue_sender
+                            .send(AccountWrite {
+                                pubkey: Pubkey::new(&update.pubkey),
+                                slot: info.slot,
+                                write_version: update.write_version,
+                                lamports: update.lamports,
+                                owner: Pubkey::new(&update.owner),
+                                executable: update.executable,
+                                rent_epoch: update.rent_epoch,
+                                data: update.data,
+                                // TODO: what should this be? related to account deletes?
+                                is_selected: true,
+                            })
+                            .await
+                            .expect("send success");
+                    }
+                    UpdateOneof::Slot(update) => {
+                        metric_slot_updates.increment();
+                        metric_slot_queue.set(slot_queue_sender.len() as u64);
+
+                        let status =
+                            SubscribeUpdateSlotStatus::from_i32(update.status).map(|v| match v {
+                                SubscribeUpdateSlotStatus::Processed => SlotStatus::Processed,
+                                SubscribeUpdateSlotStatus::Confirmed => SlotStatus::Confirmed,
+                                SubscribeUpdateSlotStatus::Finalized => SlotStatus::Rooted,
+                            });
+                        if status.is_none() {
+                            error!("unexpected slot status: {}", update.status);
+                            continue;
+                        }
+                        let slot_update = SlotUpdate {
+                            slot: update.slot,
+                            parent: update.parent,
+                            status: status.expect("qed"),
+                        };
+
+                        slot_queue_sender
+                            .send(slot_update)
+                            .await
+                            .expect("send success");
+                    }
+                    UpdateOneof::Block(_) => {}
+                    UpdateOneof::Transaction(_) => {}
+                }
+            }
+            Message::Snapshot(update) => {
+                metric_snapshots.increment();
+                info!("processing snapshot...");
+                for account in update.accounts.iter() {
+                    metric_snapshot_account_writes.increment();
+                    metric_account_queue.set(account_write_queue_sender.len() as u64);
+
+                    match account {
+                        (key, Some(ui_account)) => {
+                            // TODO: Resnapshot on invalid data?
+                            let pubkey = Pubkey::from_str(key).unwrap();
+                            let account: Account = ui_account.decode().unwrap();
+                            account_write_queue_sender
+                                .send(AccountWrite::from(pubkey, update.slot, 0, account))
+                                .await
+                                .expect("send success");
+                        }
+                        (key, None) => warn!("account not found {}", key),
+                    }
+                }
+                info!("processing snapshot done");
+            }
+        }
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index bc83105..8bbe3b2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,26 @@
+pub mod account_write_filter;
+pub mod blockhash_poller;
 pub mod cli;
+pub mod chain_data;
 pub mod confirmation_strategies;
+pub mod crank;
+pub mod grpc_plugin_source;
 pub mod helpers;
 pub mod mango;
+pub mod mango_v3_perp_crank_sink;
 pub mod market_markers;
+pub mod metrics;
 pub mod rotating_queue;
 pub mod states;
+
+trait AnyhowWrap {
+  type Value;
+  fn map_err_anyhow(self) -> anyhow::Result<Self::Value>;
+}
+
+impl<T, E: std::fmt::Debug> AnyhowWrap for Result<T, E> {
+  type Value = T;
+  fn map_err_anyhow(self) -> anyhow::Result<Self::Value> {
+      self.map_err(|err| anyhow::anyhow!("{:?}", err))
+  }
+}
\ No newline at end of file
diff --git a/src/mango.rs b/src/mango.rs
index 2717b91..167df81 100644
--- a/src/mango.rs
+++ b/src/mango.rs
@@ -64,3 +64,4 @@ pub struct MarketConfig {
     pub asks_key: String,
     pub events_key: String,
 }
+
diff --git a/src/mango_v3_perp_crank_sink.rs b/src/mango_v3_perp_crank_sink.rs
new file mode 100644
index 0000000..4f6255b
--- /dev/null
+++ b/src/mango_v3_perp_crank_sink.rs
@@ -0,0 +1,136 @@
+use std::{
+  cell::RefCell,
+  collections::{BTreeMap},
+  convert::TryFrom,
+  mem::size_of,
+};
+
+use arrayref::array_ref;
+use async_channel::Sender;
+use async_trait::async_trait;
+use mango::{
+  instruction::consume_events,
+  queue::{AnyEvent, EventQueueHeader, EventType, FillEvent, OutEvent, Queue},
+};
+use solana_sdk::{
+  account::ReadableAccount,
+  instruction::{Instruction},
+  pubkey::Pubkey,
+};
+
+use bytemuck::cast_ref;
+
+use crate::{account_write_filter::AccountWriteSink, chain_data::AccountData};
+
+const MAX_BACKLOG: usize = 2;
+const MAX_EVENTS_PER_TX: usize = 10;
+
+pub struct MangoV3PerpCrankSink {
+  pks: BTreeMap<Pubkey, Pubkey>,
+  group_pk: Pubkey,
+  cache_pk: Pubkey,
+  mango_v3_program: Pubkey,
+  instruction_sender: Sender<Vec<Instruction>>,
+}
+
+impl MangoV3PerpCrankSink {
+  pub fn new(
+      pks: Vec<(Pubkey, Pubkey)>,
+      group_pk: Pubkey,
+      cache_pk: Pubkey,
+      mango_v3_program: Pubkey,
+      instruction_sender: Sender<Vec<Instruction>>,
+  ) -> Self {
+      Self {
+          pks: pks.iter().map(|e| e.clone()).collect(),
+          group_pk,
+          cache_pk,
+          mango_v3_program,
+          instruction_sender,
+      }
+  }
+}
+
+// couldn't compile the correct struct size / math on m1, fixed sizes resolve this issue
+const EVENT_SIZE: usize = 200; //size_of::<AnyEvent>();
+const QUEUE_LEN: usize = 256;
+type EventQueueEvents = [AnyEvent; QUEUE_LEN];
+
+#[async_trait]
+impl AccountWriteSink for MangoV3PerpCrankSink {
+  async fn process(&self, pk: &Pubkey, account: &AccountData) -> Result<(), String> {
+      let account = &account.account;
+
+      let ix: Result<Instruction, String> = {
+          const HEADER_SIZE: usize = size_of::<EventQueueHeader>();
+          let header_data = array_ref![account.data(), 0, HEADER_SIZE];
+          let header = RefCell::<EventQueueHeader>::new(*bytemuck::from_bytes(header_data));
+          // trace!("evq {} seq_num {}", mkt.name, header.seq_num);
+
+          const QUEUE_SIZE: usize = EVENT_SIZE * QUEUE_LEN;
+          let events_data = array_ref![account.data(), HEADER_SIZE, QUEUE_SIZE];
+          let events = RefCell::<EventQueueEvents>::new(*bytemuck::from_bytes(events_data));
+          let event_queue = Queue {
+              header: header.borrow_mut(),
+              buf: events.borrow_mut(),
+          };
+
+          // only crank if at least 1 fill or a sufficient events of other categories are buffered
+          let contains_fill_events = event_queue
+              .iter()
+              .find(|e| e.event_type == EventType::Fill as u8)
+              .is_some();
+          let has_backlog = event_queue.iter().count() > MAX_BACKLOG;
+          if !contains_fill_events && !has_backlog {
+              return Err("throttled".into());
+          }
+
+          let mut mango_accounts: Vec<_> = event_queue
+              .iter()
+              .take(MAX_EVENTS_PER_TX)
+              .flat_map(
+                  |e| match EventType::try_from(e.event_type).expect("mango v4 event") {
+                      EventType::Fill => {
+                          let fill: &FillEvent = cast_ref(e);
+                          vec![fill.maker, fill.taker]
+                      }
+                      EventType::Out => {
+                          let out: &OutEvent = cast_ref(e);
+                          vec![out.owner]
+                      }
+                      EventType::Liquidate => vec![],
+                  },
+              )
+              .collect();
+
+          let mkt_pk = self
+              .pks
+              .get(pk)
+              .expect(&format!("{pk:?} is a known public key"));
+
+          let ix = consume_events(
+              &self.mango_v3_program,
+              &self.group_pk,
+              &self.cache_pk,
+              mkt_pk,
+              pk,
+              &mut mango_accounts,
+              MAX_EVENTS_PER_TX,
+          )
+          .unwrap();
+
+          Ok(ix)
+      };
+
+      // info!(
+      //     "evq={pk:?} count={} limit=10",
+      //     event_queue.iter().count()
+      // );
+
+      if let Err(e) = self.instruction_sender.send(vec![ix?]).await {
+          return Err(e.to_string());
+      }
+
+      Ok(())
+  }
+}
\ No newline at end of file
diff --git a/src/metrics.rs b/src/metrics.rs
new file mode 100644
index 0000000..5c67e94
--- /dev/null
+++ b/src/metrics.rs
@@ -0,0 +1,338 @@
+use serde::Deserialize;
+
+use {
+  log::*,
+  std::collections::HashMap,
+  std::fmt,
+  std::sync::{atomic, Arc, Mutex, RwLock},
+  tokio::time,
+  warp::{Filter, Rejection, Reply},
+};
+
+#[derive(Debug)]
+enum Value {
+  U64 {
+      value: Arc<atomic::AtomicU64>,
+      metric_type: MetricType,
+  },
+  I64 {
+      value: Arc<atomic::AtomicI64>,
+      metric_type: MetricType,
+  },
+  Bool {
+      value: Arc<Mutex<bool>>,
+      metric_type: MetricType,
+  },
+}
+
+#[derive(Debug, Clone)]
+pub enum MetricType {
+  Counter,
+  Gauge,
+}
+
+impl fmt::Display for MetricType {
+  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+      match self {
+          MetricType::Counter => {
+              write!(f, "counter")
+          }
+          MetricType::Gauge => {
+              write!(f, "gauge")
+          }
+      }
+  }
+}
+
+#[derive(Debug)]
+enum PrevValue {
+  U64(u64),
+  I64(i64),
+  Bool(bool),
+}
+
+#[derive(Clone)]
+pub struct MetricU64 {
+  value: Arc<atomic::AtomicU64>,
+}
+impl MetricU64 {
+  pub fn value(&self) -> u64 {
+      self.value.load(atomic::Ordering::Acquire)
+  }
+
+  pub fn set(&mut self, value: u64) {
+      self.value.store(value, atomic::Ordering::Release);
+  }
+
+  pub fn set_max(&mut self, value: u64) {
+      self.value.fetch_max(value, atomic::Ordering::AcqRel);
+  }
+
+  pub fn add(&mut self, value: u64) {
+      self.value.fetch_add(value, atomic::Ordering::AcqRel);
+  }
+
+  pub fn increment(&mut self) {
+      self.value.fetch_add(1, atomic::Ordering::AcqRel);
+  }
+
+  pub fn decrement(&mut self) {
+      self.value.fetch_sub(1, atomic::Ordering::AcqRel);
+  }
+}
+
+#[derive(Clone)]
+pub struct MetricI64 {
+  value: Arc<atomic::AtomicI64>,
+}
+impl MetricI64 {
+  pub fn set(&mut self, value: i64) {
+      self.value.store(value, atomic::Ordering::Release);
+  }
+
+  pub fn increment(&mut self) {
+      self.value.fetch_add(1, atomic::Ordering::AcqRel);
+  }
+
+  pub fn decrement(&mut self) {
+      self.value.fetch_sub(1, atomic::Ordering::AcqRel);
+  }
+}
+
+#[derive(Clone)]
+pub struct MetricBool {
+  value: Arc<Mutex<bool>>,
+}
+
+impl MetricBool {
+  pub fn set(&self, value: bool) {
+      *self.value.lock().unwrap() = value;
+  }
+}
+
+#[derive(Clone)]
+pub struct Metrics {
+  registry: Arc<RwLock<HashMap<String, Value>>>,
+  labels: HashMap<String, String>,
+}
+
+impl Metrics {
+  pub fn register_u64(&self, name: String, metric_type: MetricType) -> MetricU64 {
+      let mut registry = self.registry.write().unwrap();
+      let value = registry.entry(name).or_insert(Value::U64 {
+          value: Arc::new(atomic::AtomicU64::new(0)),
+          metric_type: metric_type,
+      });
+      MetricU64 {
+          value: match value {
+              Value::U64 {
+                  value: v,
+                  metric_type: _,
+              } => v.clone(),
+              _ => panic!("bad metric type"),
+          },
+      }
+  }
+
+  pub fn register_i64(&self, name: String, metric_type: MetricType) -> MetricI64 {
+      let mut registry = self.registry.write().unwrap();
+      let value = registry.entry(name).or_insert(Value::I64 {
+          value: Arc::new(atomic::AtomicI64::new(0)),
+          metric_type: metric_type,
+      });
+      MetricI64 {
+          value: match value {
+              Value::I64 {
+                  value: v,
+                  metric_type: _,
+              } => v.clone(),
+              _ => panic!("bad metric type"),
+          },
+      }
+  }
+
+  pub fn register_bool(&self, name: String) -> MetricBool {
+      let mut registry = self.registry.write().unwrap();
+      let value = registry.entry(name).or_insert(Value::Bool {
+          value: Arc::new(Mutex::new(false)),
+          metric_type: MetricType::Gauge,
+      });
+      MetricBool {
+          value: match value {
+              Value::Bool {
+                  value: v,
+                  metric_type: _,
+              } => v.clone(),
+              _ => panic!("bad metric type"),
+          },
+      }
+  }
+
+  pub fn get_registry_vec(&self) -> Vec<(String, String, String)> {
+      let mut vec: Vec<(String, String, String)> = Vec::new();
+      let metrics = self.registry.read().unwrap();
+      for (name, value) in metrics.iter() {
+          let (value_str, type_str) = match value {
+              Value::U64 {
+                  value: v,
+                  metric_type: t,
+              } => (
+                  format!("{}", v.load(atomic::Ordering::Acquire)),
+                  t.to_string(),
+              ),
+              Value::I64 {
+                  value: v,
+                  metric_type: t,
+              } => (
+                  format!("{}", v.load(atomic::Ordering::Acquire)),
+                  t.to_string(),
+              ),
+              Value::Bool {
+                  value: v,
+                  metric_type: t,
+              } => {
+                  let bool_to_int = if *v.lock().unwrap() { 1 } else { 0 };
+                  (format!("{}", bool_to_int), t.to_string())
+              }
+          };
+          vec.push((name.clone(), value_str, type_str));
+      }
+      vec
+  }
+}
+
+async fn handle_prometheus_poll(metrics: Metrics) -> Result<impl Reply, Rejection> {
+  debug!("handle_prometheus_poll");
+  let label_strings_vec: Vec<String> = metrics
+      .labels
+      .iter()
+      .map(|(name, value)| format!("{}=\"{}\"", name, value))
+      .collect();
+  let lines: Vec<String> = metrics
+      .get_registry_vec()
+      .iter()
+      .map(|(name, value, type_name)| {
+          let sanitized_name = str::replace(name, "-", "_");
+          format!(
+              "# HELP {} \n# TYPE {} {}\n{}{{{}}} {}",
+              sanitized_name,
+              sanitized_name,
+              type_name,
+              sanitized_name,
+              label_strings_vec.join(","),
+              value
+          )
+      })
+      .collect();
+  Ok(format!("{}\n", lines.join("\n")))
+}
+
+pub fn with_metrics(
+  metrics: Metrics,
+) -> impl Filter<Extract = (Metrics,), Error = std::convert::Infallible> + Clone {
+  warp::any().map(move || metrics.clone())
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct MetricsConfig {
+    pub output_stdout: bool,
+    pub output_http: bool,
+    // TODO: add configurable port and endpoint url
+    // TODO: add configurable write interval
+}
+
+
+pub fn start(config: MetricsConfig, process_name: String) -> Metrics {
+  let mut write_interval = time::interval(time::Duration::from_secs(60));
+
+  let registry = Arc::new(RwLock::new(HashMap::<String, Value>::new()));
+  let registry_c = Arc::clone(&registry);
+  let labels = HashMap::from([(String::from("process"), process_name)]);
+  let metrics_tx = Metrics { registry, labels };
+  let metrics_route = warp::path!("metrics")
+      .and(with_metrics(metrics_tx.clone()))
+      .and_then(handle_prometheus_poll);
+
+  if config.output_http {
+      // serve prometheus metrics endpoint
+      tokio::spawn(async move {
+          warp::serve(metrics_route).run(([0, 0, 0, 0], 9091)).await;
+      });
+  }
+
+  if config.output_stdout {
+      // periodically log to stdout
+      tokio::spawn(async move {
+          let mut previous_values = HashMap::<String, PrevValue>::new();
+          loop {
+              write_interval.tick().await;
+
+              // Nested locking! Safe because the only other user locks registry for writing and doesn't
+              // acquire any interior locks.
+              let metrics = registry_c.read().unwrap();
+              for (name, value) in metrics.iter() {
+                  let previous_value = previous_values.get_mut(name);
+                  match value {
+                      Value::U64 {
+                          value: v,
+                          metric_type: _,
+                      } => {
+                          let new_value = v.load(atomic::Ordering::Acquire);
+                          let previous_value = if let Some(PrevValue::U64(v)) = previous_value {
+                              let prev = *v;
+                              *v = new_value;
+                              prev
+                          } else {
+                              previous_values.insert(name.clone(), PrevValue::U64(new_value));
+                              0
+                          };
+                          let diff = new_value.wrapping_sub(previous_value) as i64;
+                          info!("metric: {}: {} ({:+})", name, new_value, diff);
+                      }
+                      Value::I64 {
+                          value: v,
+                          metric_type: _,
+                      } => {
+                          let new_value = v.load(atomic::Ordering::Acquire);
+                          let previous_value = if let Some(PrevValue::I64(v)) = previous_value {
+                              let prev = *v;
+                              *v = new_value;
+                              prev
+                          } else {
+                              previous_values.insert(name.clone(), PrevValue::I64(new_value));
+                              0
+                          };
+                          let diff = new_value - previous_value;
+                          info!("metric: {}: {} ({:+})", name, new_value, diff);
+                      }
+                      Value::Bool {
+                          value: v,
+                          metric_type: _,
+                      } => {
+                          let new_value = v.lock().unwrap();
+                          let previous_value = if let Some(PrevValue::Bool(v)) = previous_value {
+                              let mut prev = new_value.clone();
+                              std::mem::swap(&mut prev, v);
+                              prev
+                          } else {
+                              previous_values
+                                  .insert(name.clone(), PrevValue::Bool(new_value.clone()));
+                              false
+                          };
+                          if *new_value == previous_value {
+                              info!("metric: {}: {} (unchanged)", name, &*new_value);
+                          } else {
+                              info!(
+                                  "metric: {}: {} (before: {})",
+                                  name, &*new_value, previous_value
+                              );
+                          }
+                      }
+                  }
+              }
+          }
+      });
+  }
+
+  metrics_tx
+}