Initial commit

12 files changed, 2118 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..c531d87
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,1277 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "aho-corasick"
+version = "0.7.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+
+[[package]]
+name = "base64"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+
+[[package]]
+name = "base64"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+
+[[package]]
+name = "bitflags"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array",
+]
+
+[[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 = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
+[[package]]
+name = "bytes"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
+
+[[package]]
+name = "bytes"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
+
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "serde",
+ "time",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "cpuid-bool"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
+
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "dtoa"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56899898ce76aaf4a0f24d914c97ea6ed976d42fec6ad33fcbb0a1103e07b2b0"
+
+[[package]]
+name = "env_logger"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aafcde04e90a5226a6443b7aabdb016ba2f8307c847d524724bd9b346dd1a2d3"
+dependencies = [
+ "atty",
+ "humantime",
+ "log",
+ "regex",
+ "termcolor",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "form_urlencoded"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
+dependencies = [
+ "matches",
+ "percent-encoding",
+]
+
+[[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 = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f55667319111d593ba876406af7c409c0ebb44dc4be6132a783ccf163ea14c1"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c2dd2df839b57db9ab69c2c9d8f3e8c81984781937fe2807dc6dcf3b2ad2939"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15496a72fabf0e62bdc3df11a59a3787429221dd0710ba8ef163d6f7a9112c94"
+
+[[package]]
+name = "futures-io"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71c2c65c57704c32f5241c1223167c2c3294fd34ac020c807ddbe6db287ba59"
+
+[[package]]
+name = "futures-sink"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85754d98985841b7d4f5e8e6fbfa4a4ac847916893ec511a2917ccd8525b8bb3"
+
+[[package]]
+name = "futures-task"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa189ef211c15ee602667a6fcfe1c1fd9e07d42250d2156382820fba33c9df80"
+
+[[package]]
+name = "futures-util"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1812c7ab8aedf8d6f2701a43e1243acdbcc2b36ab26e2ad421eb99ac963d96d1"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "futures-task",
+ "pin-project-lite 0.2.6",
+ "pin-utils",
+ "slab",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.14.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[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 = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "gradecoin"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "log",
+ "pretty_env_logger",
+ "serde",
+ "serde_json",
+ "serde_test",
+ "tokio",
+ "warp",
+]
+
+[[package]]
+name = "h2"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e4728fd124914ad25e99e3d15a9361a879f6620f63cb56bbb08f95abb97a535"
+dependencies = [
+ "bytes 0.5.6",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "http",
+ "indexmap",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+ "tracing-futures",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
+
+[[package]]
+name = "headers"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0b7591fb62902706ae8e7aaff416b1b0fa2c0fd0878b46dc13baa3712d8a855"
+dependencies = [
+ "base64 0.13.0",
+ "bitflags",
+ "bytes 1.0.1",
+ "headers-core",
+ "http",
+ "mime",
+ "sha-1",
+ "time",
+]
+
+[[package]]
+name = "headers-core"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7f66481bfee273957b1f20485a4ff3362987f85b2c236580d81b4eb7a326429"
+dependencies = [
+ "http",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "http"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
+dependencies = [
+ "bytes 1.0.1",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
+dependencies = [
+ "bytes 0.5.6",
+ "http",
+]
+
+[[package]]
+name = "httparse"
+version = "1.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "615caabe2c3160b313d52ccc905335f4ed5f10881dd63dc5699d47e90be85691"
+
+[[package]]
+name = "httpdate"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "494b4d60369511e7dea41cf646832512a94e542f68bb9c49e54518e0f468eb47"
+
+[[package]]
+name = "humantime"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
+dependencies = [
+ "quick-error",
+]
+
+[[package]]
+name = "hyper"
+version = "0.13.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a6f157065790a3ed2f88679250419b5cdd96e714a0d65f7797fd337186e96bb"
+dependencies = [
+ "bytes 0.5.6",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project 1.0.6",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "idna"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89829a5d69c23d348314a7ac337fe39173b61149a9864deabd260983aed48c21"
+dependencies = [
+ "matches",
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "824845a0bf897a9042383849b02c1bc219c2383772efcd5c6f9766fa4b81aef3"
+dependencies = [
+ "autocfg",
+ "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 = "iovec"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "itoa"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
+
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9385f66bf6105b241aa65a61cb923ef20efc665cb9f9bb50ac2f0c4b7f378d41"
+
+[[package]]
+name = "log"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+dependencies = [
+ "cfg-if 1.0.0",
+]
+
+[[package]]
+name = "matches"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
+
+[[package]]
+name = "memchr"
+version = "2.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+
+[[package]]
+name = "mime"
+version = "0.3.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
+
+[[package]]
+name = "mime_guess"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2684d4c2e97d99848d30b324b00c8fcc7e5c897b7cbb5819b09e7c90e8baf212"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
+[[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",
+ "miow",
+ "net2",
+ "slab",
+ "winapi 0.2.8",
+]
+
+[[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 = "multipart"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d050aeedc89243f5347c3e237e3e13dc76fbe4ae3742a57b94dc14f69acf76d4"
+dependencies = [
+ "buf_redux",
+ "httparse",
+ "log",
+ "mime",
+ "mime_guess",
+ "quick-error",
+ "rand 0.7.3",
+ "safemem",
+ "tempfile",
+ "twoway",
+]
+
+[[package]]
+name = "net2"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
+[[package]]
+name = "percent-encoding"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+
+[[package]]
+name = "pin-project"
+version = "0.4.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "918192b5c59119d51e0cd221f4d49dde9112824ba717369e903c97d076083d0f"
+dependencies = [
+ "pin-project-internal 0.4.28",
+]
+
+[[package]]
+name = "pin-project"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc174859768806e91ae575187ada95c91a29e96a98dc5d2cd9a1fed039501ba6"
+dependencies = [
+ "pin-project-internal 1.0.6",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "0.4.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3be26700300be6d9d23264c73211d8190e755b6b5ca7a1b28230025511b52a5e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a490329918e856ed1b083f244e3bfe2d8c4f336407e4ea9e1a9f479ff09049e5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "257b64915a082f7811703966789728173279bdebb956b143dbcd23f6f970a777"
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc0e1f259c92177c30a4c9d177246edd0a3568b25756a977d0632cf8fa37e905"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
+
+[[package]]
+name = "pretty_env_logger"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "717ee476b1690853d222af4634056d830b5197ffd747726a9a1eee6da9f49074"
+dependencies = [
+ "chrono",
+ "env_logger",
+ "log",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quick-error"
+version = "1.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
+
+[[package]]
+name = "quote"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
+dependencies = [
+ "proc-macro2",
+]
+
+[[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 = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.0",
+ "rand_core 0.6.2",
+ "rand_hc 0.3.0",
+]
+
+[[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 = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.2",
+]
+
+[[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 = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
+dependencies = [
+ "getrandom 0.2.2",
+]
+
+[[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 = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+dependencies = [
+ "rand_core 0.6.2",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94341e4e44e24f6b591b59e47a8a027df12e008d73fd5672dbea9cc22f4507d9"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "regex"
+version = "1.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "957056ecddbeba1b26965114e191d2e8589ce74db242b6ea25fc4062427a5c19"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5f089152e60f62d28b835fbff2cd2e8dc0baf1ac13343bef92ab7eed84548"
+
+[[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "ryu"
+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 = "scoped-tls"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
+
+[[package]]
+name = "serde"
+version = "1.0.125"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "558dc50e1a5a5fa7112ca2ce4effcb321b0300c0d4ccf0776a9f60cd89031171"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.125"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b093b7a2bb58203b5da3056c05b4ec1fed827dcfdb37347a8841695263b3d06d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "serde_test"
+version = "1.0.125"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4bb5fef7eaf5a97917567183607ac4224c5b451c15023930f23b937cce879fe"
+dependencies = [
+ "serde",
+]
+
+[[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",
+]
+
+[[package]]
+name = "sha-1"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfebf75d25bd900fd1e7d11501efab59bc846dbc76196839663e6637bba9f25f"
+dependencies = [
+ "block-buffer",
+ "cfg-if 1.0.0",
+ "cpuid-bool",
+ "digest",
+ "opaque-debug",
+]
+
+[[package]]
+name = "slab"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
+
+[[package]]
+name = "socket2"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ce15dd3ed8aa2f8eeac4716d6ef5ab58b6b9256db41d7e1a0224c2788e8fd87"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "tempfile"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "rand 0.8.3",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "termcolor"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "time"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "tinyvec"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+
+[[package]]
+name = "tokio"
+version = "0.2.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
+dependencies = [
+ "bytes 0.5.6",
+ "fnv",
+ "futures-core",
+ "iovec",
+ "lazy_static",
+ "memchr",
+ "mio",
+ "pin-project-lite 0.1.12",
+ "slab",
+ "tokio-macros",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e44da00bfc73a25f814cd8d7e57a68a5c31b74b3152a0a1d1f590c97ed06265a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tokio-tungstenite"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d9e878ad426ca286e4dcae09cbd4e1973a7f8987d97570e2469703dd7f5720c"
+dependencies = [
+ "futures-util",
+ "log",
+ "pin-project 0.4.28",
+ "tokio",
+ "tungstenite",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
+dependencies = [
+ "bytes 0.5.6",
+ "futures-core",
+ "futures-sink",
+ "log",
+ "pin-project-lite 0.1.12",
+ "tokio",
+]
+
+[[package]]
+name = "tower-service"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
+
+[[package]]
+name = "tracing"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01ebdc2bb4498ab1ab5f5b73c5803825e60199229ccba0698170e3be0e7f959f"
+dependencies = [
+ "cfg-if 1.0.0",
+ "log",
+ "pin-project-lite 0.2.6",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f50de3927f93d202783f4513cda820ab47ef17f624b03c096e86ef00c67e6b5f"
+dependencies = [
+ "lazy_static",
+]
+
+[[package]]
+name = "tracing-futures"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
+dependencies = [
+ "pin-project 1.0.6",
+ "tracing",
+]
+
+[[package]]
+name = "try-lock"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
+
+[[package]]
+name = "tungstenite"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0308d80d86700c5878b9ef6321f020f29b1bb9d5ff3cab25e75e23f3a492a23"
+dependencies = [
+ "base64 0.12.3",
+ "byteorder",
+ "bytes 0.5.6",
+ "http",
+ "httparse",
+ "input_buffer",
+ "log",
+ "rand 0.7.3",
+ "sha-1",
+ "url",
+ "utf-8",
+]
+
+[[package]]
+name = "twoway"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59b11b2b5241ba34be09c3cc85a36e56e48f9888862e19cedf23336d35316ed1"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "typenum"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
+
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check",
+]
+
+[[package]]
+name = "unicode-bidi"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
+dependencies = [
+ "matches",
+]
+
+[[package]]
+name = "unicode-normalization"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07fbfce1c8a97d547e8b5334978438d9d6ec8c20e38f56d4a4374d181493eaef"
+dependencies = [
+ "tinyvec",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+
+[[package]]
+name = "url"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ccd964113622c8e9322cfac19eb1004a07e636c545f325da085d5cdde6f1f8b"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "matches",
+ "percent-encoding",
+]
+
+[[package]]
+name = "urlencoding"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9232eb53352b4442e40d7900465dfc534e8cb2dc8f18656fcb2ac16112b5593"
+
+[[package]]
+name = "utf-8"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
+
+[[package]]
+name = "version_check"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
+
+[[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
+[[package]]
+name = "warp"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f41be6df54c97904af01aa23e613d4521eed7ab23537cede692d4058f6449407"
+dependencies = [
+ "bytes 0.5.6",
+ "futures",
+ "headers",
+ "http",
+ "hyper",
+ "log",
+ "mime",
+ "mime_guess",
+ "multipart",
+ "pin-project 0.4.28",
+ "scoped-tls",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-tungstenite",
+ "tower-service",
+ "tracing",
+ "tracing-futures",
+ "urlencoding",
+]
+
+[[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 = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[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",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3f9c00d
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,19 @@
+[package]
+name = "gradecoin"
+version = "0.1.0"
+authors = ["Yigit Sever <yigit@ceng.metu.edu.tr>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+warp = "0.2.0"
+tokio = { version = "0.2.9", features = ["macros"] }
+serde = { version = "1.0.104", features = ["derive"] }
+chrono = { version = "0.4.10", features = ["serde"] }
+log = "0.4.8"
+pretty_env_logger = "0.3.1"
+
+[dev-dependencies]
+serde_json = "1.0.44"
+serde_test = "1.0.104"
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..fcfda11
--- /dev/null
+++ b/README.md
@@ -0,0 +1,15 @@
+# Gradecoin
+
+This will sit behind nginx reverse proxy so running at 127.0.0.1:8080 is no problem, or https.
+
+```
+$ cargo run
+
+$ curl --location --request POST 'localhost:8080/transaction' --header 'Content-Type: application/json' --data-raw '{
+  "source": "Myself Truly",
+  "target": "Literally Anybody Else",
+  "amount": 12,
+  "timestamp": "2021-04-07T00:17:00"
+}'
+```
+
diff --git a/TODO.md b/TODO.md
new file mode 100644
index 0000000..76292d2
--- /dev/null
+++ b/TODO.md
@@ -0,0 +1,10 @@
+# TODO
+## Proof-of-work
+- [ ] pick a block proposal scheme (= pick hash function) [list of hash functions](https://en.bitcoinwiki.org/wiki/List_of_hash_functions)
+- [ ] check the nonce for incoming blocks
+
+## Authentication
+- [ ] pick a user authentication scheme
+    - [ ] implement it
+
+- [ ] Switch to RwLock (parking_lot)
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..1a076d8
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1 @@
+edition="2018"
diff --git a/src/custom_filters.rs b/src/custom_filters.rs
new file mode 100644
index 0000000..86a78d4
--- /dev/null
+++ b/src/custom_filters.rs
@@ -0,0 +1,21 @@
+// Common filters ment to be shared between many endpoints
+
+use std::convert::Infallible;
+use warp::{Filter, Rejection};
+
+use crate::schema::{Db, Transaction}; // `Block` coming later
+
+// Database context for routes
+pub fn with_db(db: Db) -> impl Filter<Extract = (Db,), Error = Infallible> + Clone {
+    warp::any().map(move || db.clone())
+}
+
+// Optional query params to allow pagination
+// pub fn list_options() -> impl Filter<Extract = (ListOptions,), Error = Rejection> + Clone {
+//     warp::query::<ListOptions>()
+// }
+
+// Accept only JSON body and reject big payloads
+pub fn json_body() -> impl Filter<Extract = (Transaction,), Error = Rejection> + Clone {
+    warp::body::content_length_limit(1024 * 32).and(warp::body::json())
+}
diff --git a/src/handlers.rs b/src/handlers.rs
new file mode 100644
index 0000000..51c7b63
--- /dev/null
+++ b/src/handlers.rs
@@ -0,0 +1,122 @@
+// API handlers, the ends of each filter chain
+
+use log::debug;
+use std::convert::Infallible;
+use warp::{http::StatusCode, reply};
+
+use crate::schema::{Db, Transaction}; // `Block` coming later
+
+// PROPOSE Transaction
+// POST /transaction
+pub async fn propose_transaction(
+    new_transaction: Transaction,
+    db: Db,
+) -> Result<impl warp::Reply, warp::Rejection> {
+    debug!("new transaction request {:?}", new_transaction);
+
+    let mut transactions = db.lock().await;
+
+    transactions.push(new_transaction);
+
+    Ok(StatusCode::CREATED)
+}
+
+// GET Transaction List
+// GET /transaction
+// Returns JSON array of transactions
+// Cannot fail?
+pub async fn list_transactions(db: Db) -> Result<impl warp::Reply, Infallible> {
+    debug!("list all transactions");
+
+    let transactions = db.lock().await;
+
+    let transactions: Vec<Transaction> = transactions.clone().into_iter().collect();
+
+    Ok(reply::with_status(
+        reply::json(&transactions),
+        StatusCode::OK,
+    ))
+}
+
+// PROPOSE Block
+// POST /block
+
+// `GET /games`
+// Returns JSON array of todos
+// Allows pagination, for example: `GET /games?offset=10&limit=5`
+// pub async fn list_games(options: ListOptions, db: Db) -> Result<impl Reply, Infallible> {
+//     debug!("list all games");
+
+//     let games = db.lock().await;
+//     let games: Vec<Game> = games
+//         .clone()
+//         .into_iter()
+//         .skip(options.offset.unwrap_or(0))
+//         .take(options.limit.unwrap_or(std::usize::MAX))
+//         .collect();
+
+//     Ok(warp::reply::json(&games))
+// }
+
+// `POST /games`
+// Create new game entry with JSON body
+// pub async fn create_game(new_game: Game, db: Db) -> Result<impl Reply, Infallible> {
+//     debug!("create new game: {:?}", new_game);
+
+//     let mut games = db.lock().await;
+
+//     match games.iter().find(|game| game.id == new_game.id) {
+//         Some(game) => {
+//             debug!("game of given id already exists: {}", game.id);
+
+//             Ok(StatusCode::BAD_REQUEST)
+//         }
+//         None => {
+//             games.push(new_game);
+//             Ok(StatusCode::CREATED)
+//         }
+//     }
+// }
+
+// `PUT /games/:id`
+// pub async fn update_game(id: u64, updated_game: Game, db: Db) -> Result<impl Reply, Infallible> {
+//     debug!("update existing game: id={}, game={:?}", id, updated_game);
+
+//     let mut games = db.lock().await;
+
+//     match games.iter_mut().find(|game| game.id == id) {
+//         Some(game) => {
+//             *game = updated_game;
+
+//             Ok(StatusCode::OK)
+//         }
+//         None => {
+//             debug!("game of given id not found");
+
+//             Ok(StatusCode::NOT_FOUND)
+//         }
+//     }
+// }
+
+// `DELETE /games/:id`
+// pub async fn delete_game(id: u64, db: Db) -> Result<impl Reply, Infallible> {
+//     debug!("delete game: id={}", id);
+
+//     let mut games = db.lock().await;
+
+//     let len = games.len();
+
+//     // Removes all games with given id
+//     games.retain(|game| game.id != id);
+
+//     // If games length was smaller that means specyfic game was found and removed
+//     let deleted = games.len() != len;
+
+//     if deleted {
+//         Ok(StatusCode::NO_CONTENT)
+//     } else {
+//         debug!("game of given id not found");
+
+//         Ok(StatusCode::NOT_FOUND)
+//     }
+// }
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..bcd4173
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,26 @@
+use std::env;
+use warp::Filter;
+
+mod custom_filters;
+mod handlers;
+mod routes;
+mod schema;
+// mod validators;
+
+#[tokio::main]
+async fn main() {
+    // Show debug logs by default by setting `RUST_LOG=restful_rust=debug`
+    if env::var_os("RUST_LOG").is_none() {
+        env::set_var("RUST_LOG", "restful_rust=debug");
+    }
+    pretty_env_logger::init();
+
+    let db = schema::ledger(); // 1. we need this to return a _simple_ db
+
+    let api = routes::consensus_routes(db);
+
+    let routes = api.with(warp::log("restful_rust"));
+
+    // Start the server
+    warp::serve(routes).run(([127, 0, 0, 1], 8080)).await;
+}
diff --git a/src/routes.rs b/src/routes.rs
new file mode 100644
index 0000000..fc4426a
--- /dev/null
+++ b/src/routes.rs
@@ -0,0 +1,359 @@
+use warp::{Filter, Rejection, Reply};
+
+use crate::custom_filters;
+use crate::handlers;
+use crate::schema::Db;
+
+// Root, all routes combined
+pub fn consensus_routes(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    transaction_list(db.clone()).or(transaction_propose(db.clone()))
+}
+
+// GET /transaction
+pub fn transaction_list(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    warp::path!("transaction")
+        .and(warp::get())
+        .and(custom_filters::with_db(db))
+        .and_then(handlers::list_transactions)
+}
+
+// POST /transaction
+pub fn transaction_propose(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    warp::path!("transaction")
+        .and(warp::post())
+        .and(custom_filters::json_body())
+        .and(custom_filters::with_db(db))
+        .and_then(handlers::propose_transaction)
+}
+
+///////////////////////////
+//  below are not mine.  //
+///////////////////////////
+
+// Root, all routes combined
+//pub fn games_routes(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+//    games_list(db.clone())
+//        .or(games_create(db.clone()))
+//        .or(games_update(db.clone()))
+//        .or(games_delete(db))
+//}
+
+//// `GET /games?offset=3&limit=5`
+//pub fn games_list(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+//    warp::path!("games")
+//        .and(warp::get())
+//        .and(custom_filters::list_options())
+//        .and(custom_filters::with_db(db))
+//        .and_then(handlers::list_games)
+//}
+
+//// `POST /games`
+//pub fn games_create(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+//    warp::path!("games")
+//        .and(warp::post())
+//        .and(custom_filters::json_body())
+//        .and(custom_filters::with_db(db))
+//        .and_then(handlers::create_game)
+//}
+
+//// `PUT /games/:id`
+//pub fn games_update(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+//    warp::path!("games" / u64)
+//        .and(warp::put())
+//        .and(custom_filters::json_body())
+//        .and(custom_filters::with_db(db))
+//        .and_then(handlers::update_game)
+//}
+
+//// `DELETE /games/:id`
+//pub fn games_delete(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+//    warp::path!("games" / u64)
+//        .and(warp::delete())
+//        .and(custom_filters::with_db(db))
+//        .and_then(handlers::delete_game)
+//}
+
+////////////////////////////////
+////  tests below, it's fine  //
+////////////////////////////////
+
+/////////////////////////////////////
+//  of course I'll write tests...  //
+/////////////////////////////////////
+
+// TODO: write tests <07-04-21, yigit> //
+
+//#[cfg(test)]
+//mod tests {
+//    use super::*;
+
+//    use chrono::prelude::*;
+//    use std::sync::Arc;
+//    use tokio::sync::Mutex;
+//    use warp::http::StatusCode;
+
+//    use crate::schema::{Game, Genre};
+
+//    // Mocked dataset for each test
+
+//    fn mocked_db() -> Db {
+//        Arc::new(Mutex::new(vec![
+//            Game {
+//                id: 1,
+//                title: String::from("Crappy title"),
+//                rating: 35,
+//                genre: Genre::RolePlaying,
+//                description: Some(String::from("Test description...")),
+//                release_date: NaiveDate::from_ymd(2011, 9, 22).and_hms(0, 0, 0),
+//            },
+//            Game {
+//                id: 2,
+//                title: String::from("Decent game"),
+//                rating: 84,
+//                genre: Genre::Strategy,
+//                description: None,
+//                release_date: NaiveDate::from_ymd(2014, 3, 11).and_hms(0, 0, 0),
+//            },
+//        ]))
+//    }
+
+//    fn mocked_game() -> Game {
+//        Game {
+//            id: 3,
+//            title: String::from("Another game"),
+//            rating: 65,
+//            description: None,
+//            genre: Genre::Strategy,
+//            release_date: NaiveDate::from_ymd(2016, 3, 11).and_hms(0, 0, 0),
+//        }
+//    }
+
+//    #[tokio::test]
+//    async fn get_list_of_games_200() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request().method("GET").path("/games").reply(&filter).await;
+
+//        assert_eq!(res.status(), StatusCode::OK);
+
+//        let expected_json_body = r#"[{"id":1,"title":"Crappy title","rating":35,"genre":"ROLE_PLAYING","description":"Test description...","releaseDate":"2011-09-22T00:00:00"},{"id":2,"title":"Decent game","rating":84,"genre":"STRATEGY","description":null,"releaseDate":"2014-03-11T00:00:00"}]"#;
+//        assert_eq!(res.body(), expected_json_body);
+//    }
+
+//    #[tokio::test]
+//    async fn get_list_of_games_with_options_200() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("GET")
+//            .path("/games?offset=1&limit=5")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::OK);
+
+//        let expected_json_body = r#"[{"id":2,"title":"Decent game","rating":84,"genre":"STRATEGY","description":null,"releaseDate":"2014-03-11T00:00:00"}]"#;
+//        assert_eq!(res.body(), expected_json_body);
+//    }
+
+//    #[tokio::test]
+//    async fn get_empty_list_with_offset_overshot_200() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("GET")
+//            .path("/games?offset=5&limit=5")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::OK);
+
+//        let expected_json_body = r#"[]"#;
+//        assert_eq!(res.body(), expected_json_body);
+//    }
+
+//    #[tokio::test]
+//    async fn get_incorrect_options_400() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("GET")
+//            .path("/games?offset=a&limit=b")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::BAD_REQUEST);
+//    }
+
+//    #[tokio::test]
+//    async fn get_wrong_path_405() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("GET")
+//            .path("/games/42")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::METHOD_NOT_ALLOWED);
+//    }
+
+//    #[tokio::test]
+//    async fn post_json_201() {
+//        let db = mocked_db();
+//        let filter = games_routes(db.clone());
+
+//        let res = warp::test::request()
+//            .method("POST")
+//            .json(&mocked_game())
+//            .path("/games")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::CREATED);
+//        assert_eq!(db.lock().await.len(), 3);
+//    }
+
+//    #[tokio::test]
+//    async fn post_too_long_content_413() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("POST")
+//            .header("content-length", 1024 * 36)
+//            .path("/games")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::PAYLOAD_TOO_LARGE);
+//    }
+
+//    #[tokio::test]
+//    async fn post_wrong_payload_400() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("POST")
+//            .body(&r#"{"id":4}"#)
+//            .path("/games")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::BAD_REQUEST);
+//    }
+
+//    #[tokio::test]
+//    async fn post_wrong_path_405() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("POST")
+//            .path("/games/42")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::METHOD_NOT_ALLOWED);
+//    }
+
+//    #[tokio::test]
+//    async fn put_json_200() {
+//        let db = mocked_db();
+//        let filter = games_routes(db.clone());
+
+//        let res = warp::test::request()
+//            .method("PUT")
+//            .json(&mocked_game())
+//            .path("/games/2")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::OK);
+
+//        let db = db.lock().await;
+//        let ref title = db[1].title;
+//        assert_eq!(title, "Another game");
+//    }
+
+//    #[tokio::test]
+//    async fn put_wrong_id_404() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("PUT")
+//            .json(&mocked_game())
+//            .path("/games/42")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::NOT_FOUND);
+//    }
+
+//    #[tokio::test]
+//    async fn put_wrong_payload_400() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("PUT")
+//            .header("content-length", 1024 * 16)
+//            .body(&r#"{"id":2"#)
+//            .path("/games/2")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::BAD_REQUEST);
+//    }
+
+//    #[tokio::test]
+//    async fn put_too_long_content_413() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("PUT")
+//            .header("content-length", 1024 * 36)
+//            .path("/games/2")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::PAYLOAD_TOO_LARGE);
+//    }
+
+//    #[tokio::test]
+//    async fn delete_wrong_id_404() {
+//        let db = mocked_db();
+//        let filter = games_routes(db);
+
+//        let res = warp::test::request()
+//            .method("DELETE")
+//            .path("/games/42")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::NOT_FOUND);
+//    }
+
+//    #[tokio::test]
+//    async fn delete_game_204() {
+//        let db = mocked_db();
+//        let filter = games_routes(db.clone());
+
+//        let res = warp::test::request()
+//            .method("DELETE")
+//            .path("/games/1")
+//            .reply(&filter)
+//            .await;
+
+//        assert_eq!(res.status(), StatusCode::NO_CONTENT);
+//        assert_eq!(db.lock().await.len(), 1);
+//    }
+//}
diff --git a/src/schema.rs b/src/schema.rs
new file mode 100644
index 0000000..ea36a70
--- /dev/null
+++ b/src/schema.rs
@@ -0,0 +1,223 @@
+// Common types used across API
+
+use chrono::{NaiveDate, NaiveDateTime};
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+use tokio::sync::Mutex;
+
+// use crate::validators;
+
+pub fn ledger() -> Db {
+    // TODO: there was something simpler in one of the other tutorials? <07-04-21, yigit> //
+
+    Arc::new(Mutex::new(vec![
+    Transaction {
+        source: String::from("Myself"),
+        target: String::from("Nobody"),
+        amount: 4,
+        timestamp: NaiveDate::from_ymd(2021, 4, 7).and_hms(00, 17, 00),
+    },
+    ]))
+}
+
+
+// For presentation purposes keep mocked data in in-memory structure
+// In real life scenario connection with regular database would be established
+
+pub type Db = Arc<Mutex<Vec<Transaction>>>;
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct Transaction {
+    pub source: String,
+    pub target: String,
+    pub amount: i32,
+    pub timestamp: NaiveDateTime,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct Block {
+    pub transaction_list: Vec<Transaction>, // [Transaction; N]
+    pub nonce: i32,
+    pub timestamp: NaiveDateTime,
+    pub hash: String, // future proof'd baby
+}
+
+// #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+// #[serde(rename_all = "camelCase")]
+// pub struct Game {
+//     pub id: u64,
+//     pub title: String,
+//     #[serde(with = "validators::validate_game_rating")]
+//     pub rating: u8,
+//     pub genre: Genre,
+//     pub description: Option<String>,
+//     pub release_date: NaiveDateTime,
+// }
+
+// #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+// #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+// pub enum Genre {
+//     RolePlaying,
+//     Strategy,
+//     Shooter,
+// }
+
+// #[derive(Deserialize, Debug, PartialEq)]
+// pub struct ListOptions {
+//     pub offset: Option<usize>,
+//     pub limit: Option<usize>,
+// }
+
+// pub fn example_db() -> Db {
+//     Arc::new(Mutex::new(
+//         vec![
+//         Game {
+//             id: 1,
+//             title: String::from("Dark Souls"),
+//             rating: 91,
+//             genre: Genre::RolePlaying,
+//             description: Some(String::from("Takes place in the fictional kingdom of Lordran, where players assume the role of a cursed undead character who begins a pilgrimage to discover the fate of their kind.")),
+//             release_date: NaiveDate::from_ymd(2011, 9, 22).and_hms(0, 0, 0),
+//         },
+//         Game {
+//             id: 2,
+//             title: String::from("Dark Souls 2"),
+//             rating: 87,
+//             genre: Genre::RolePlaying,
+//             description: None,
+//             release_date: NaiveDate::from_ymd(2014, 3, 11).and_hms(0, 0, 0),
+//         },
+//         Game {
+//             id: 3,
+//             title: String::from("Dark Souls 3"),
+//             rating: 89,
+//             genre: Genre::RolePlaying,
+//             description: Some(String::from("The latest chapter in the series with its trademark sword and sorcery combat and rewarding action RPG gameplay.")),
+//             release_date: NaiveDate::from_ymd(2016, 3, 24).and_hms(0, 0, 0),
+//         },
+//     ]
+//     ))
+// }
+
+// #[cfg(test)]
+// mod tests {
+//     use super::*;
+
+//     use serde_json::error::Error;
+//     use serde_test::{assert_tokens, Token};
+
+//     #[test]
+//     fn game_serialize_correctly() {
+//         let game = Game {
+//             id: 1,
+//             title: String::from("Test"),
+//             rating: 90,
+//             genre: Genre::Shooter,
+//             description: None,
+//             release_date: NaiveDate::from_ymd(2019, 11, 12).and_hms(0, 0, 0),
+//         };
+
+//         assert_tokens(
+//             &game,
+//             &[
+//                 Token::Struct {
+//                     name: "Game",
+//                     len: 6,
+//                 },
+//                 Token::String("id"),
+//                 Token::U64(1),
+//                 Token::String("title"),
+//                 Token::String("Test"),
+//                 Token::String("rating"),
+//                 Token::U8(90),
+//                 Token::String("genre"),
+//                 Token::UnitVariant {
+//                     name: "Genre",
+//                     variant: "SHOOTER",
+//                 },
+//                 Token::String("description"),
+//                 Token::None,
+//                 Token::String("releaseDate"),
+//                 Token::String("2019-11-12T00:00:00"),
+//                 Token::StructEnd,
+//             ],
+//         );
+//     }
+
+//     #[test]
+//     fn game_deserialize_correctly() {
+//         let data = r#"{"id":3,"title":"Another game","rating":65,"genre":"STRATEGY","description":null,"releaseDate":"2016-03-11T00:00:00"}"#;
+//         let game: Game = serde_json::from_str(data).unwrap();
+//         let expected_game = Game {
+//             id: 3,
+//             title: String::from("Another game"),
+//             rating: 65,
+//             genre: Genre::Strategy,
+//             description: None,
+//             release_date: NaiveDate::from_ymd(2016, 3, 11).and_hms(0, 0, 0),
+//         };
+
+//         assert_eq!(game, expected_game);
+//     }
+
+//     #[test]
+//     fn game_error_when_wrong_rating_passed() {
+//         let data = r#"{"id":3,"title":"Another game","rating":120,"genre":"STRATEGY","description":null,"releaseDate":"2016-03-11T00:00:00"}"#;
+//         let err: Error = serde_json::from_str::<Game>(data).unwrap_err();
+
+//         assert_eq!(err.is_data(), true);
+//     }
+
+//     #[test]
+//     fn genre_serialize_correctly() {
+//         let genre = Genre::Shooter;
+//         assert_tokens(
+//             &genre,
+//             &[Token::UnitVariant {
+//                 name: "Genre",
+//                 variant: "SHOOTER",
+//             }],
+//         );
+
+//         let genre = Genre::RolePlaying;
+//         assert_tokens(
+//             &genre,
+//             &[Token::UnitVariant {
+//                 name: "Genre",
+//                 variant: "ROLE_PLAYING",
+//             }],
+//         );
+
+//         let genre = Genre::Strategy;
+//         assert_tokens(
+//             &genre,
+//             &[Token::UnitVariant {
+//                 name: "Genre",
+//                 variant: "STRATEGY",
+//             }],
+//         );
+//     }
+
+//     #[test]
+//     fn genre_deserialize_correctly() {
+//         let data = r#""SHOOTER""#;
+//         let genre: Genre = serde_json::from_str(data).unwrap();
+//         let expected_genre = Genre::Shooter;
+
+//         assert_eq!(genre, expected_genre);
+
+//         let data = r#""ROLE_PLAYING""#;
+//         let genre: Genre = serde_json::from_str(data).unwrap();
+//         let expected_genre = Genre::RolePlaying;
+
+//         assert_eq!(genre, expected_genre);
+//     }
+
+//     #[test]
+//     fn genre_error_when_wrong_rating_passed() {
+//         let data = r#""SPORT""#;
+//         let err: Error = serde_json::from_str::<Genre>(data).unwrap_err();
+
+//         assert_eq!(err.is_data(), true);
+//     }
+// }
diff --git a/src/validators.rs b/src/validators.rs
new file mode 100644
index 0000000..dbebee8
--- /dev/null
+++ b/src/validators.rs
@@ -0,0 +1,44 @@
+// Custom validators incoming data
+
+use log::error;
+use serde::de::{Deserializer, Error as DeserializerError, Unexpected};
+use serde::ser::{Error as SerializerError, Serializer};
+use serde::Deserialize;
+
+pub mod validate_game_rating {
+    use super::*;
+
+    const ERROR_MESSAGE: &str = "rating must be a number between 0 and 100";
+
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<u8, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let value = u8::deserialize(deserializer)?;
+
+        if value > 100 {
+            error!("{}", ERROR_MESSAGE);
+
+            return Err(DeserializerError::invalid_value(
+                Unexpected::Unsigned(u64::from(value)),
+                &ERROR_MESSAGE,
+            ));
+        }
+
+        Ok(value)
+    }
+
+    #[allow(clippy::trivially_copy_pass_by_ref)]
+    pub fn serialize<S>(value: &u8, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        if *value > 100 {
+            error!("{}", ERROR_MESSAGE);
+
+            return Err(SerializerError::custom(ERROR_MESSAGE));
+        }
+
+        serializer.serialize_u8(*value)
+    }
+}