diff --git a/Cargo.lock b/Cargo.lock
index 12d0b9d..8b69057 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -185,16 +185,6 @@ dependencies = [
  "rustc-demangle",
 ]
 
-[[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"
@@ -204,39 +194,12 @@ dependencies = [
  "byteorder",
 ]
 
-[[package]]
-name = "base64"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
-
 [[package]]
 name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
-[[package]]
-name = "block-buffer"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
-dependencies = [
- "block-padding",
- "byte-tools",
- "byteorder",
- "generic-array",
-]
-
-[[package]]
-name = "block-padding"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
-dependencies = [
- "byte-tools",
-]
-
 [[package]]
 name = "blocking"
 version = "1.0.2"
@@ -257,18 +220,6 @@ version = "3.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c59e7af012c713f529e7a3ee57ce9b31ddd858d4b512923602f74608b009631"
 
-[[package]]
-name = "byte-tools"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
-
-[[package]]
-name = "bytecount"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72feb31ffc86498dacdbd0fcebb56138e7177a8cc5cea4516031d15ae85a742e"
-
 [[package]]
 name = "byteorder"
 version = "1.4.3"
@@ -304,28 +255,6 @@ version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "631ae5198c9be5e753e5cc215e1bd73c2b466a3565173db433f52bb9d3e66dba"
 
-[[package]]
-name = "cargo-platform"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0226944a63d1bf35a3b5f948dd7c59e263db83695c9e8bffc4037de02e30f1d7"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "cargo_metadata"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7714a157da7991e23d90686b9524b9e12e0407a108647f52e9328f4b3d51ac7f"
-dependencies = [
- "cargo-platform",
- "semver 0.11.0",
- "semver-parser 0.10.2",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "cc"
 version = "1.0.68"
@@ -334,9 +263,9 @@ checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787"
 
 [[package]]
 name = "cfg-if"
-version = "0.1.10"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+checksum = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
 
 [[package]]
 name = "cfg-if"
@@ -447,7 +376,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
 dependencies = [
  "autocfg 1.0.1",
- "cfg-if 0.1.10",
+ "cfg-if 0.1.9",
  "crossbeam-utils 0.7.2",
  "lazy_static",
  "maybe-uninit",
@@ -461,7 +390,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 0.1.9",
  "crossbeam-utils 0.7.2",
  "maybe-uninit",
 ]
@@ -473,7 +402,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 dependencies = [
  "autocfg 1.0.1",
- "cfg-if 0.1.10",
+ "cfg-if 0.1.9",
  "lazy_static",
 ]
 
@@ -497,21 +426,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "data-encoding"
-version = "2.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ee2393c4a91429dffb4bedf19f4d6abf27d8a732c8ce4980305d782e5426d57"
-
-[[package]]
-name = "digest"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
-dependencies = [
- "generic-array",
-]
-
 [[package]]
 name = "doc-comment"
 version = "0.3.3"
@@ -530,31 +444,6 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
-[[package]]
-name = "elefren"
-version = "0.22.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba08a959d3824df696d49c2ec023f45851f663c47b57b2de933aab749104cd18"
-dependencies = [
- "chrono",
- "doc-comment",
- "hyper-old-types",
- "isolang",
- "log 0.4.14",
- "reqwest",
- "serde",
- "serde_derive",
- "serde_json",
- "serde_qs",
- "serde_urlencoded 0.6.1",
- "skeptic",
- "tap-reader",
- "toml",
- "try_from",
- "tungstenite",
- "url 1.7.2",
-]
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.28"
@@ -564,16 +453,6 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
-[[package]]
-name = "error-chain"
-version = "0.12.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d2f06b9cac1506ece98fe3231e3cc9c4410ec3d5b1f24ae1c8946f0742cdefc"
-dependencies = [
- "backtrace",
- "version_check 0.9.3",
-]
-
 [[package]]
 name = "event-listener"
 version = "2.5.1"
@@ -602,12 +481,6 @@ dependencies = [
  "synstructure",
 ]
 
-[[package]]
-name = "fake-simd"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
-
 [[package]]
 name = "fastrand"
 version = "1.4.1"
@@ -813,26 +686,6 @@ 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 = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.3"
@@ -841,7 +694,7 @@ checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "wasi 0.10.2+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -850,12 +703,6 @@ version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e4075386626662786ddb0ec9081e7c7eeb1ba31951f447ca780ef9f5d568189"
 
-[[package]]
-name = "glob"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
-
 [[package]]
 name = "gloo-timers"
 version = "0.2.1"
@@ -968,9 +815,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.4.1"
+version = "1.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3a87b616e37e93c22fb19bcd386f02f3af5ea98a25670ad0fce773de23c5e68"
+checksum = "bc35c995b9d93ec174cf9a27d425c7892722101e14993cd227fdb51d70cf9589"
 
 [[package]]
 name = "httpdate"
@@ -1032,23 +879,6 @@ dependencies = [
  "want 0.3.0",
 ]
 
-[[package]]
-name = "hyper-old-types"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6896be51ecf3966c0fa14ff2da3233dbb9aef57ccea1be1afe55f105f4d4c9c4"
-dependencies = [
- "base64 0.9.3",
- "bytes 0.4.12",
- "httparse",
- "language-tags",
- "log 0.4.14",
- "mime 0.3.16",
- "percent-encoding 1.0.1",
- "time",
- "unicase 2.6.0",
-]
-
 [[package]]
 name = "hyper-tls"
 version = "0.3.2"
@@ -1075,6 +905,25 @@ dependencies = [
  "tokio-tls",
 ]
 
+[[package]]
+name = "hyperx"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad5125567a8328ced412a29a52a3ca0a2520c617d40a8bee62d12d877eec236c"
+dependencies = [
+ "base64",
+ "bytes 0.4.12",
+ "cfg-if 0.1.9",
+ "http 0.1.21",
+ "httparse",
+ "language-tags",
+ "log 0.4.14",
+ "mime 0.3.16",
+ "percent-encoding 1.0.1",
+ "time",
+ "unicase 2.5.1",
+]
+
 [[package]]
 name = "idna"
 version = "0.1.5"
@@ -1107,15 +956,6 @@ dependencies = [
  "hashbrown",
 ]
 
-[[package]]
-name = "input_buffer"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19a8a95243d5a0398cae618ec29477c6e3cb631152be5c19481f80bc71559754"
-dependencies = [
- "bytes 0.5.6",
-]
-
 [[package]]
 name = "instant"
 version = "0.1.9"
@@ -1134,17 +974,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "isolang"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "265ef164908329e47e753c769b14cbb27434abf0c41984dca201484022f09ce5"
-dependencies = [
- "phf",
- "phf_codegen",
- "serde",
-]
-
 [[package]]
 name = "itoa"
 version = "0.4.7"
@@ -1157,14 +986,14 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-std",
- "chrono",
- "elefren",
  "futures 0.3.15",
  "futures-timer",
+ "mammut",
  "rand 0.8.4",
  "serde",
  "serde_json",
  "telegram-bot",
+ "thiserror",
  "tokio 0.2.25",
  "uuid 0.8.2",
 ]
@@ -1243,6 +1072,23 @@ dependencies = [
  "value-bag",
 ]
 
+[[package]]
+name = "mammut"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1771d6ce236f93ec0bc3086945a189c94953e59edc0a6908fae36019d53c8220"
+dependencies = [
+ "chrono",
+ "doc-comment",
+ "hyperx",
+ "log 0.4.14",
+ "reqwest",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "url 1.7.2",
+]
+
 [[package]]
 name = "matches"
 version = "0.1.8"
@@ -1304,7 +1150,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2684d4c2e97d99848d30b324b00c8fcc7e5c897b7cbb5819b09e7c90e8baf212"
 dependencies = [
  "mime 0.3.16",
- "unicase 2.6.0",
+ "unicase 2.5.1",
 ]
 
 [[package]]
@@ -1323,7 +1169,7 @@ version = "0.6.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 0.1.9",
  "fuchsia-zircon",
  "fuchsia-zircon-sys",
  "iovec",
@@ -1417,7 +1263,7 @@ version = "0.2.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 0.1.9",
  "libc",
  "winapi 0.3.9",
 ]
@@ -1466,12 +1312,6 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
-[[package]]
-name = "opaque-debug"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
-
 [[package]]
 name = "openssl"
 version = "0.10.35"
@@ -1537,7 +1377,7 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 0.1.9",
  "cloudabi",
  "libc",
  "redox_syscall 0.1.57",
@@ -1558,15 +1398,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
-[[package]]
-name = "pest"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
-dependencies = [
- "ucd-trie",
-]
-
 [[package]]
 name = "phf"
 version = "0.7.24"
@@ -1700,17 +1531,6 @@ dependencies = [
  "url 2.2.2",
 ]
 
-[[package]]
-name = "pulldown-cmark"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffade02495f22453cd593159ea2f59827aae7f53fa8323f756799b670881dcf8"
-dependencies = [
- "bitflags",
- "memchr",
- "unicase 2.6.0",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.9"
@@ -1739,19 +1559,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "rand"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc 0.2.0",
-]
-
 [[package]]
 name = "rand"
 version = "0.8.4"
@@ -1774,16 +1581,6 @@ dependencies = [
  "rand_core 0.3.1",
 ]
 
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
-]
-
 [[package]]
 name = "rand_chacha"
 version = "0.3.1"
@@ -1809,22 +1606,13 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
 
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-dependencies = [
- "getrandom 0.1.16",
-]
-
 [[package]]
 name = "rand_core"
 version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
- "getrandom 0.2.3",
+ "getrandom",
 ]
 
 [[package]]
@@ -1836,15 +1624,6 @@ dependencies = [
  "rand_core 0.3.1",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core 0.5.1",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.3.1"
@@ -1946,7 +1725,7 @@ version = "0.9.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f88643aea3c1343c804950d7bf983bd2067f5ab59db6d613a08e05572f2714ab"
 dependencies = [
- "base64 0.10.1",
+ "base64",
  "bytes 0.4.12",
  "cookie",
  "cookie_store",
@@ -1962,7 +1741,7 @@ dependencies = [
  "native-tls",
  "serde",
  "serde_json",
- "serde_urlencoded 0.5.5",
+ "serde_urlencoded",
  "time",
  "tokio 0.1.22",
  "tokio-executor",
@@ -1986,7 +1765,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 dependencies = [
- "semver 0.9.0",
+ "semver",
 ]
 
 [[package]]
@@ -1995,21 +1774,6 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
-[[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"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "schannel"
 version = "0.1.19"
@@ -2055,17 +1819,7 @@ 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 0.10.2",
- "serde",
+ "semver-parser",
 ]
 
 [[package]]
@@ -2074,15 +1828,6 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
-[[package]]
-name = "semver-parser"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00b0bef5b7f9e0df16536d3961cfb6e84331c065b4066afb39768d0e319411f7"
-dependencies = [
- "pest",
-]
-
 [[package]]
 name = "serde"
 version = "1.0.126"
@@ -2124,18 +1869,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serde_qs"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35965fa1d2413717053d67c2df1f5c3e1763fbf77200ea7e767523707bd5a0af"
-dependencies = [
- "data-encoding",
- "error-chain",
- "percent-encoding 1.0.1",
- "serde",
-]
-
 [[package]]
 name = "serde_urlencoded"
 version = "0.5.5"
@@ -2148,30 +1881,6 @@ dependencies = [
  "url 1.7.2",
 ]
 
-[[package]]
-name = "serde_urlencoded"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
-dependencies = [
- "dtoa",
- "itoa",
- "serde",
- "url 2.2.2",
-]
-
-[[package]]
-name = "sha-1"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
-dependencies = [
- "block-buffer",
- "digest",
- "fake-simd",
- "opaque-debug",
-]
-
 [[package]]
 name = "signal-hook"
 version = "0.3.9"
@@ -2197,21 +1906,6 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
 
-[[package]]
-name = "skeptic"
-version = "0.13.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "188b810342d98f23f0bb875045299f34187b559370b041eb11520c905370a888"
-dependencies = [
- "bytecount",
- "cargo_metadata",
- "error-chain",
- "glob",
- "pulldown-cmark",
- "tempfile",
- "walkdir",
-]
-
 [[package]]
 name = "slab"
 version = "0.4.3"
@@ -2280,12 +1974,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "tap-reader"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f13fc301d415a8cd4529ba679720c59f07369bcff573618a6e8d5afebefb6f3"
-
 [[package]]
 name = "telegram-bot"
 version = "0.8.0"
@@ -2330,6 +2018,26 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93119e4feac1cbe6c798c34d3a53ea0026b0b1de6a120deef895137c0529bfe2"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "060d69a0afe7796bf42e9e2ff91f5ee691fb15c53d38b4b62a9a53eb23164745"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "time"
 version = "0.1.43"
@@ -2547,15 +2255,6 @@ dependencies = [
  "tokio 0.2.25",
 ]
 
-[[package]]
-name = "toml"
-version = "0.5.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "tower-service"
 version = "0.3.1"
@@ -2617,41 +2316,9 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "283d3b89e1368717881a9d51dad843cc435380d8109c9e47d38780a324698d8b"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 0.1.9",
 ]
 
-[[package]]
-name = "tungstenite"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfea31758bf674f990918962e8e5f07071a3161bd7c4138ed23e416e1ac4264e"
-dependencies = [
- "base64 0.11.0",
- "byteorder",
- "bytes 0.5.6",
- "http 0.2.4",
- "httparse",
- "input_buffer",
- "log 0.4.14",
- "native-tls",
- "rand 0.7.3",
- "sha-1",
- "url 2.2.2",
- "utf-8",
-]
-
-[[package]]
-name = "typenum"
-version = "1.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
-
-[[package]]
-name = "ucd-trie"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
-
 [[package]]
 name = "unicase"
 version = "1.4.2"
@@ -2663,11 +2330,11 @@ dependencies = [
 
 [[package]]
 name = "unicase"
-version = "2.6.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+checksum = "2e2e6bd1e59e56598518beb94fd6db628ded570326f0a98c679a304bd9f00150"
 dependencies = [
- "version_check 0.9.3",
+ "version_check 0.1.5",
 ]
 
 [[package]]
@@ -2717,12 +2384,6 @@ dependencies = [
  "percent-encoding 2.1.0",
 ]
 
-[[package]]
-name = "utf-8"
-version = "0.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
-
 [[package]]
 name = "uuid"
 version = "0.7.4"
@@ -2738,7 +2399,7 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
- "getrandom 0.2.3",
+ "getrandom",
 ]
 
 [[package]]
@@ -2775,17 +2436,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
 
-[[package]]
-name = "walkdir"
-version = "2.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
-dependencies = [
- "same-file",
- "winapi 0.3.9",
- "winapi-util",
-]
-
 [[package]]
 name = "want"
 version = "0.2.0"
@@ -2807,12 +2457,6 @@ dependencies = [
  "try-lock",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
 [[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
@@ -2932,15 +2576,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
diff --git a/Cargo.toml b/Cargo.toml
index 46ef8dd..22b2295 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,8 +6,6 @@ edition = "2018"
 
 [dependencies]
 async-std = { version = "1.9.0", features = ["unstable"] }
-chrono = "0.4.19"
-elefren = { version = "0.22.0", features = ["toml"] }
 futures = "0.3.15"
 futures-timer = "3.0.2"
 rand = "0.8.4"
@@ -17,3 +15,5 @@ tokio = { version = "0.2", features = ["full"] }
 telegram-bot = "0.8.0"
 uuid = { version = "0.8.2", features = ["v4"] }
 anyhow = "1.0.41"
+mammut = "0.13.0"
+thiserror = "1.0.26"
diff --git a/src/config.rs b/src/config.rs
index cfd09f1..4ad369b 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -14,6 +14,8 @@ pub struct Config {
     pub interval_seconds: MinMax,
     pub bot_token: String,
     pub chat_ref: ChatId,
+    pub fediverse_oauth_token: String,
+    pub post_buffer: u32,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
@@ -35,6 +37,8 @@ impl Default for Config {
                 min: 60 * 30,
                 max: 60 * 90,
             },
+            post_buffer: 5,
+            fediverse_oauth_token: "".to_owned(),
             bot_token: "".to_owned(),
             chat_ref: ChatId::new(0),
         }
diff --git a/src/main.rs b/src/main.rs
index 7ce2eff..9cf453c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,14 +1,25 @@
-use std::{convert::Infallible, error::Error, sync::Arc};
+use std::{convert::Infallible, error::Error, sync::Arc, time::Duration};
 
+use async_std::io::stdin;
+use futures_timer::Delay;
+use mammut::{
+    apps::{AppBuilder, Scopes},
+    Registration,
+};
+use rand::Rng;
 use telegram_bot::{Api, ChatRef};
 
-use crate::selection::{telegram::get_chat_ref, SelectorExt, TelegramSelector};
+use crate::{
+    publish::MastodonPublisher,
+    selection::{telegram::get_chat_ref, SelectorExt, TelegramSelector},
+};
 
-use futures::{sink::unfold, StreamExt};
-use model::{EmptyModel, SampleModelExt};
+use futures::{channel::mpsc::channel, sink::unfold, SinkExt, StreamExt, TryStreamExt};
+use model::SampleModelExt;
 
 mod config;
 mod model;
+mod publish;
 mod selection;
 
 const CONFIG_PATH: &str = "bot_config.json";
@@ -27,25 +38,33 @@ async fn main() -> Result<(), Box<dyn Error>> {
         }
     }?;
 
-    // let mut gpt_model = ConsoleSelector.filter(
-    //     model::GPTSampleModel::new(
-    //         cfg.python_path(),
-    //         cfg.gpt_code_path(),
-    //         vec![
-    //             "generate_unconditional_samples.py".to_string(),
-    //             "--model_name".to_string(),
-    //             cfg.model_name(),
-    //             "--temperature".to_string(),
-    //             cfg.temperature(),
-    //             "--top_k".to_string(),
-    //             cfg.top_k(),
-    //             "--nsamples".to_string(),
-    //             "1".to_string(),
-    //         ],
-    //     )
-    //     .into_stream()
-    //     .take(10),
-    // );
+    let app = AppBuilder {
+        client_name: "izzilis",
+        redirect_uris: "urn:ietf:wg:oauth:2.0:oob",
+        scopes: Scopes::Write,
+        website: None,
+    };
+
+    let mut registration = Registration::new(cfg.fediverse_base_url.clone());
+    registration.register(app)?;
+
+    let token = if cfg.fediverse_oauth_token.is_empty() {
+        let url = registration.authorise()?;
+        println!("{}", url);
+
+        let mut buffer = String::new();
+        stdin().read_line(&mut buffer).await?;
+
+        cfg.fediverse_oauth_token = buffer.clone();
+        cfg.save(CONFIG_PATH)?;
+
+        buffer
+    } else {
+        cfg.fediverse_oauth_token.clone()
+    };
+
+    let mastodon = registration.create_access_token(token)?;
+    let publisher = MastodonPublisher::new(mastodon);
 
     let api = Arc::new(Api::new(
         std::env::var("TELEGRAM_BOT_KEY").expect("bot key not present"),
@@ -62,8 +81,11 @@ async fn main() -> Result<(), Box<dyn Error>> {
         cfg.save(CONFIG_PATH)?;
     }
 
+    let (sender, receiver) = channel(cfg.post_buffer as usize);
+
     let cfg_clone = cfg.clone();
-    let mut gpt_model = TelegramSelector::new(
+
+    let mut model = TelegramSelector::new(
         api,
         chat,
         Box::pin(unfold((), move |_, chat_ref| {
@@ -77,12 +99,52 @@ async fn main() -> Result<(), Box<dyn Error>> {
             }
         })),
     )
-    .filter(EmptyModel.into_stream())
-    .take(5);
+    .filter(
+        model::GPTSampleModel::new(
+            cfg.python_path.clone(),
+            cfg.gpt_code_path.clone(),
+            vec![
+                "generate_unconditional_samples.py".to_string(),
+                "--model_name".to_string(),
+                cfg.model_name.clone(),
+                "--temperature".to_string(),
+                cfg.temperature.clone(),
+                "--top_k".to_string(),
+                cfg.top_k.clone(),
+                "--nsamples".to_string(),
+                "1".to_string(),
+            ],
+        )
+        .into_stream(),
+    )
+    .map_err(|e| Box::new(e) as Box<dyn Error>);
 
-    while let Some(Ok(sample)) = gpt_model.next().await {
-        println!("{}", sample);
-    }
+    tokio::spawn(async move {
+        sender
+            .sink_map_err(|e| Box::new(e) as Box<dyn Error>)
+            .send_all(&mut model)
+            .await
+            .expect("Broken buffer");
+    });
+
+    publisher
+        .sink_map_err(|e| Box::new(e) as Box<dyn Error>)
+        .send_all(
+            &mut receiver
+                .then(|item| {
+                    let interval_seconds = cfg.interval_seconds.clone();
+                    Box::pin(async move {
+                        Delay::new(Duration::from_millis(
+                            rand::thread_rng()
+                                .gen_range(interval_seconds.min..interval_seconds.max),
+                        ))
+                        .await;
+                        item
+                    })
+                })
+                .map(Ok),
+        )
+        .await?;
 
     return Ok(());
 }
diff --git a/src/publish/mastodon.rs b/src/publish/mastodon.rs
new file mode 100644
index 0000000..4882e64
--- /dev/null
+++ b/src/publish/mastodon.rs
@@ -0,0 +1,40 @@
+use std::{
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use futures::Sink;
+use mammut::{status_builder::Visibility, Mastodon, StatusBuilder};
+
+pub struct MastodonPublisher {
+    mastodon: Mastodon,
+}
+
+impl MastodonPublisher {
+    pub fn new(mastodon: Mastodon) -> Self {
+        Self { mastodon }
+    }
+}
+
+impl Sink<String> for MastodonPublisher {
+    type Error = mammut::Error;
+
+    fn poll_ready(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+
+    fn start_send(self: Pin<&mut Self>, item: String) -> Result<(), Self::Error> {
+        let mut post = StatusBuilder::new(item);
+        post.visibility = Some(Visibility::Direct);
+        self.mastodon.new_status(post)?;
+        Ok(())
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+
+    fn poll_close(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        Poll::Ready(Ok(()))
+    }
+}
diff --git a/src/publish/mod.rs b/src/publish/mod.rs
new file mode 100644
index 0000000..6462ab6
--- /dev/null
+++ b/src/publish/mod.rs
@@ -0,0 +1,2 @@
+mod mastodon;
+pub use mastodon::MastodonPublisher;
diff --git a/src/selection/mod.rs b/src/selection/mod.rs
index 7890405..ef81e09 100644
--- a/src/selection/mod.rs
+++ b/src/selection/mod.rs
@@ -1,4 +1,6 @@
 use futures::{stream::BoxStream, Future, Stream, TryStreamExt};
+use std::fmt::Debug;
+use thiserror::Error;
 
 mod console;
 pub mod telegram;
@@ -12,24 +14,31 @@ pub trait Selector {
     fn review(&self, data: String) -> Self::Response;
 }
 
-pub trait SelectorExt<E, S: Stream<Item = Result<String, E>>>: Selector {
+pub trait SelectorExt<E: Debug, S: Stream<Item = Result<String, E>>>: Selector
+where
+    Self::Error: Debug,
+{
     type Stream: Stream<Item = Result<String, FilterError<E, Self::Error>>>;
 
     fn filter(self, stream: S) -> Self::Stream;
 }
 
-pub enum FilterError<T, U> {
+#[derive(Debug, Error)]
+pub enum FilterError<T: Debug, U: Debug> {
+    #[error("model sampling failed: {0:?}")]
     Model(T),
+    #[error("filtering failed: {0:?}")]
     Filter(U),
 }
 
 impl<
-        E: 'static,
+        E: Debug + 'static,
         T: Selector + Sync + Send + Clone + 'static,
         S: Send + Stream<Item = Result<String, E>> + 'static,
     > SelectorExt<E, S> for T
 where
     T::Response: Send,
+    T::Error: Debug,
 {
     type Stream = BoxStream<'static, Result<String, FilterError<E, Self::Error>>>;