diff --git a/Cargo.lock b/Cargo.lock
index 77bc384..6c0bd61 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,16 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "Inflector"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
+dependencies = [
+ "lazy_static",
+ "regex",
+]
+
 [[package]]
 name = "actix-codec"
 version = "0.5.1"
@@ -21,16 +31,16 @@ dependencies = [
 
 [[package]]
 name = "actix-http"
-version = "3.4.0"
+version = "3.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a92ef85799cba03f76e4f7c10f533e66d87c9a7e7055f3391f09000ad8351bc9"
+checksum = "129d4c88e98860e1758c5de288d1632b07970a16d59bdf7b8d66053d582bb71f"
 dependencies = [
  "actix-codec",
  "actix-rt",
  "actix-service",
  "actix-utils",
  "ahash",
- "base64",
+ "base64 0.21.4",
  "bitflags 2.4.1",
  "brotli",
  "bytes",
@@ -55,7 +65,7 @@ dependencies = [
  "tokio",
  "tokio-util",
  "tracing",
- "zstd",
+ "zstd 0.13.0",
 ]
 
 [[package]]
@@ -65,7 +75,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e01ed3140b2f8d422c68afa1ed2e85d996ea619c988ac834d255db32138655cb"
 dependencies = [
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -131,9 +141,9 @@ dependencies = [
 
 [[package]]
 name = "actix-web"
-version = "4.4.0"
+version = "4.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e4a5b5e29603ca8c94a77c65cf874718ceb60292c5a5c3e5f4ace041af462b9"
+checksum = "e43428f3bf11dee6d166b00ec2df4e3aa8cc1606aaa0b7433c146852e2f4e03b"
 dependencies = [
  "actix-codec",
  "actix-http",
@@ -178,7 +188,7 @@ dependencies = [
  "actix-router",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -196,6 +206,17 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aes"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac1f845298e95f983ff1944b728ae08b8cebab80d684f0a832ed0fc74dfa27e2"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
 [[package]]
 name = "ahash"
 version = "0.8.3"
@@ -267,7 +288,7 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -277,7 +298,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0699d10d2f4d628a98ee7b57b289abbc98ff3bad977cb3152709d4bf2330628"
 dependencies = [
  "anstyle",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -286,6 +307,55 @@ version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+
+[[package]]
+name = "ascii-canvas"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8824ecca2e851cec16968d54a01dd372ef8f95b244fb84b84e70128be347c3c6"
+dependencies = [
+ "term",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.77"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c980ee35e870bd1a4d2c8294d4c04d0499e67bca1e4b5cefcc693c2fa00caea9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "async_io_stream"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6d7b9decdf35d8908a7e3ef02f64c5e9b1695e230154c0e8de3969142d9b94c"
+dependencies = [
+ "futures",
+ "pharos",
+ "rustc_version",
+]
+
+[[package]]
+name = "auto_impl"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fee3da8ef1276b0bee5dd1c7258010d8fffd31801447323115a25560e1327b89"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -313,6 +383,12 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "base64"
 version = "0.21.4"
@@ -325,6 +401,27 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
+[[package]]
+name = "bech32"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d86b93f97252c47b41663388e6d155714a9d0c398b99f1005cbc5f978b29f445"
+
+[[package]]
+name = "bit-set"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1"
+dependencies = [
+ "bit-vec",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -337,6 +434,18 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
 
+[[package]]
+name = "bitvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc2832c24239b0141d5674bb9174f9d68a8b5b3f2753311927c172ca46f7e9c"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -367,17 +476,42 @@ dependencies = [
  "alloc-stdlib",
 ]
 
+[[package]]
+name = "bs58"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5353f36341f7451062466f0b755b96ac3a9547e4d7f6b70d603fc721a7d7896"
+dependencies = [
+ "sha2",
+ "tinyvec",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
 
+[[package]]
+name = "byte-slice-cast"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3ac9f8b63eca6fd385229b3675f6cc0dc5c8a5c8a54a59d4f52ffd670d87b0c"
+
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "bytestring"
@@ -388,6 +522,59 @@ dependencies = [
  "bytes",
 ]
 
+[[package]]
+name = "bzip2"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bdb116a6ef3f6c3698828873ad02c3014b3c85cadb88496095628e3ef1e347f8"
+dependencies = [
+ "bzip2-sys",
+ "libc",
+]
+
+[[package]]
+name = "bzip2-sys"
+version = "0.1.11+1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "736a955f3fa7875102d57c82b8cac37ec45224a07fd32d58f9f7a186b6cd4cdc"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
+[[package]]
+name = "camino"
+version = "1.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c59e92b5a388f549b863a7bea62612c09f24c8393560709a54558a9abdfb3b9c"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "cargo-platform"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ceed8ef69d8518a5dda55c07425450b58a4e1946f4951eab6d7191ee86c2443d"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "cargo_metadata"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d886547e41f740c616ae73108f6eb70afe6d940c7bc697cb30f13daec073037"
+dependencies = [
+ "camino",
+ "cargo-platform",
+ "semver",
+ "serde",
+ "serde_json",
+ "thiserror",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.83"
@@ -404,6 +591,25 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.8"
@@ -435,7 +641,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -444,18 +650,89 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
 
+[[package]]
+name = "coins-bip32"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b6be4a5df2098cd811f3194f64ddb96c267606bffd9689ac7b0160097b01ad3"
+dependencies = [
+ "bs58",
+ "coins-core",
+ "digest",
+ "hmac",
+ "k256",
+ "serde",
+ "sha2",
+ "thiserror",
+]
+
+[[package]]
+name = "coins-bip39"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3db8fba409ce3dc04f7d804074039eb68b960b0829161f8e06c95fea3f122528"
+dependencies = [
+ "bitvec",
+ "coins-bip32",
+ "hmac",
+ "once_cell",
+ "pbkdf2 0.12.2",
+ "rand",
+ "sha2",
+ "thiserror",
+]
+
+[[package]]
+name = "coins-core"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5286a0843c21f8367f7be734f89df9b822e0321d8bcce8d6e735aadff7d74979"
+dependencies = [
+ "base64 0.21.4",
+ "bech32",
+ "bs58",
+ "digest",
+ "generic-array",
+ "hex",
+ "ripemd",
+ "serde",
+ "serde_derive",
+ "sha2",
+ "sha3",
+ "thiserror",
+]
+
 [[package]]
 name = "colorchoice"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
+[[package]]
+name = "const-hex"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5104de16b218eddf8e34ffe2f86f74bfa4e61e95a1b89732fccf6325efd0557"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "hex",
+ "proptest",
+ "serde",
+]
+
 [[package]]
 name = "const-oid"
 version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "constant_time_eq"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -507,6 +784,31 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
+
 [[package]]
 name = "crunchy"
 version = "0.2.2"
@@ -535,6 +837,15 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "ctr"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0369ee1ad671834580515889b80f2ea915f23b8be8d0daa4bbaf2ac5c7590835"
+dependencies = [
+ "cipher",
+]
+
 [[package]]
 name = "data-encoding"
 version = "2.5.0"
@@ -573,6 +884,12 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -585,6 +902,54 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "dirs"
+version = "5.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44c45a9d03d6676652bcb5e724c7e988de1acad23a711b5217ab9cbecbec2225"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "520f05a5cbd335fae5a99ff7a6ab8627577660ee5cfd6a94a6a929b52ff0321c"
+dependencies = [
+ "libc",
+ "option-ext",
+ "redox_users",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
+[[package]]
+name = "dunce"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56ce8c6da7551ec6c462cbaf3bfbc75131ebbfa1c944aeaa9dab51ca1c5f0c3b"
+
 [[package]]
 name = "ecdsa"
 version = "0.16.9"
@@ -599,6 +964,12 @@ dependencies = [
  "spki",
 ]
 
+[[package]]
+name = "either"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+
 [[package]]
 name = "elliptic-curve"
 version = "0.13.8"
@@ -618,6 +989,15 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "ena"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c533630cf40e9caa44bd91aadc88a75d75a4c3a12b4cfde353cbed41daa1e1f1"
+dependencies = [
+ "log",
+]
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.33"
@@ -627,6 +1007,30 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "enr"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe81b5c06ecfdbc71dd845216f225f53b62a10cb8a16c946836a3467f701d05b"
+dependencies = [
+ "base64 0.21.4",
+ "bytes",
+ "hex",
+ "k256",
+ "log",
+ "rand",
+ "rlp",
+ "serde",
+ "sha3",
+ "zeroize",
+]
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.5"
@@ -634,11 +1038,339 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3e13f66a2f95e32a39eaa81f6b95d42878ca0e1db0c7543723dfe12557e860"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
-name = "fastrand"
+name = "eth-keystore"
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+ "base64 0.21.4",
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+ "futures-core",
+ "futures-timer",
+ "futures-util",
+ "hashers",
+ "http",
+ "instant",
+ "jsonwebtoken",
+ "once_cell",
+ "pin-project",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "thiserror",
+ "tokio",
+ "tokio-tungstenite",
+ "tracing",
+ "tracing-futures",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "ws_stream_wasm",
+]
+
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+ "coins-bip32",
+ "coins-bip39",
+ "const-hex",
+ "elliptic-curve",
+ "eth-keystore",
+ "ethers-core",
+ "rand",
+ "sha2",
+ "thiserror",
+ "tracing",
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+
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+dependencies = [
+ "cfg-if",
+ "const-hex",
+ "dirs",
+ "dunce",
+ "ethers-core",
+ "glob",
+ "home",
+ "md-5",
+ "num_cpus",
+ "once_cell",
+ "path-slash",
+ "rayon",
+ "regex",
+ "semver",
+ "serde",
+ "serde_json",
+ "solang-parser",
+ "svm-rs",
+ "thiserror",
+ "tiny-keccak",
+ "tokio",
+ "tracing",
+ "walkdir",
+ "yansi",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6267a1fa6f59179ea4afc8e50fd8612a3cc60bc858f786ff877a4a8cb042799"
+dependencies = [
+ "indenter",
+ "once_cell",
+]
+
+[[package]]
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@@ -653,6 +1385,24 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "fixed-hash"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "835c052cb0c08c1acf6ffd71c022172e18723949c8282f2b9f27efbc51e64534"
+dependencies = [
+ "byteorder",
+ "rand",
+ "rustc-hex",
+ "static_assertions",
+]
+
+[[package]]
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+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "flate2"
 version = "1.0.28"
@@ -693,6 +1443,37 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fs2"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "funty"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
+
+[[package]]
+name = "futures"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23342abe12aba583913b2e62f22225ff9c950774065e4bfb61a19cd9770fec40"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.28"
@@ -700,6 +1481,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -708,6 +1490,44 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
 
+[[package]]
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+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccecee823288125bd88b4d7f565c9e58e41858e47ab72e8ea2d64e93624386e0"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
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+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
+
+[[package]]
+name = "futures-locks"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45ec6fe3675af967e67c5536c0b9d44e34e6c52f86bedc4ea49c5317b8e94d06"
+dependencies = [
+ "futures-channel",
+ "futures-task",
+]
+
+[[package]]
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+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.28"
@@ -720,16 +1540,41 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76d3d132be6c0e6aa1534069c705a74a5997a356c0dc2f86a47765e5617c5b65"
 
+[[package]]
+name = "futures-timer"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
+dependencies = [
+ "gloo-timers",
+ "send_wrapper 0.4.0",
+]
+
 [[package]]
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 version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
 dependencies = [
+ "futures-channel",
  "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
  "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
+ "slab",
+]
+
+[[package]]
+name = "fxhash"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
+dependencies = [
+ "byteorder",
 ]
 
 [[package]]
@@ -760,6 +1605,24 @@ version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
+[[package]]
+name = "gloo-timers"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b995a66bb87bebce9a0f4a95aed01daca4872c050bfcb21653361c03bc35e5c"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -783,7 +1646,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.3",
  "slab",
  "tokio",
  "tokio-util",
@@ -796,6 +1659,21 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
+[[package]]
+name = "hashers"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2bca93b15ea5a746f220e56587f71e73c6165eab783df9e26590069953e3c30"
+dependencies = [
+ "fxhash",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -823,6 +1701,15 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "home"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "http"
 version = "0.2.9"
@@ -882,42 +1769,128 @@ dependencies = [
 ]
 
 [[package]]
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-version = "0.5.0"
+name = "hyper-rustls"
+version = "0.24.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec3efd23720e2049821a693cbc7e65ea87c72f1c58ff2f9522ff332b1491e590"
+dependencies = [
+ "futures-util",
+ "http",
+ "hyper",
+ "rustls",
+ "tokio",
+ "tokio-rustls",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+]
+
+[[package]]
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+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c"
+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
+[[package]]
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+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb56e1aa765b4b4f3aadfab769793b7087bb03a4ea4920644a6d238e2df5b9ed"
+
+[[package]]
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+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba6a270039626615617f3f36d15fc827041df3b78c439da2cadfa47455a77f2f"
+dependencies = [
+ "parity-scale-codec",
+]
+
+[[package]]
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+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f28220f89297a075ddc7245cd538076ee98b01f2a9c23a53a4f1105d5a322808"
+dependencies = [
+ "rlp",
+]
+
+[[package]]
+name = "impl-serde"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc88fc67028ae3db0c853baa36269d398d5f45b6982f95549ff5def78c935cd"
+dependencies = [
+ "serde",
+]
+
+[[package]]
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+checksum = "11d7a9f6330b71fea57921c9b61c47ee6e84f72d394754eff6163ae67e7395eb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
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+checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
+
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 dependencies = [
- "bytes",
- "hyper",
- "native-tls",
- "tokio",
- "tokio-native-tls",
+ "autocfg",
+ "hashbrown 0.12.3",
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 [[package]]
-name = "idna"
-version = "0.4.0"
+name = "indexmap"
+version = "2.1.0"
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-checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
 dependencies = [
- "unicode-bidi",
- "unicode-normalization",
+ "equivalent",
+ "hashbrown 0.14.3",
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 [[package]]
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-checksum = "cb56e1aa765b4b4f3aadfab769793b7087bb03a4ea4920644a6d238e2df5b9ed"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
 
 [[package]]
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-version = "1.9.3"
+name = "instant"
+version = "0.1.12"
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-checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
 dependencies = [
- "autocfg",
- "hashbrown",
+ "cfg-if",
 ]
 
 [[package]]
@@ -926,6 +1899,35 @@ version = "2.9.0"
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 checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bad00257d07be169d870ab665980b06cdb366d792ad690bf2e76876dc503455"
+dependencies = [
+ "hermit-abi",
+ "rustix",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
+[[package]]
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+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -950,6 +1952,20 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
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+version = "8.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6971da4d9c3aa03c3d8f3ff0f4155b534aad021292003895a469716b2a230378"
+dependencies = [
+ "base64 0.21.4",
+ "pem",
+ "ring 0.16.20",
+ "serde",
+ "serde_json",
+ "simple_asn1",
+]
+
 [[package]]
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@@ -964,6 +1980,43 @@ dependencies = [
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc2af9a1119c51f12a14607e783cb977bde58bc069ff0c3da1095e635d70654"
+dependencies = [
+ "cpufeatures",
+]
+
+[[package]]
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+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da4081d44f4611b66c6dd725e6de3169f9f63905421e8626fcb86b6a898998b8"
+dependencies = [
+ "ascii-canvas",
+ "bit-set",
+ "diff",
+ "ena",
+ "is-terminal",
+ "itertools 0.10.5",
+ "lalrpop-util",
+ "petgraph",
+ "regex",
+ "regex-syntax 0.7.5",
+ "string_cache",
+ "term",
+ "tiny-keccak",
+ "unicode-xid",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f35c735096c0293d313e8f2a641627472b83d01b937177fe76e5e2708d31e0d"
+
 [[package]]
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@@ -982,6 +2035,23 @@ version = "0.2.149"
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 checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
 
+[[package]]
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+checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
+
+[[package]]
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+checksum = "85c833ca1e66078851dba29046874e38f08b2c883700aa29a03ddd3b23814ee8"
+dependencies = [
+ "bitflags 2.4.1",
+ "libc",
+ "redox_syscall 0.4.1",
+]
+
 [[package]]
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@@ -1021,6 +2091,16 @@ version = "0.4.20"
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 checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
+[[package]]
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+checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+dependencies = [
+ "cfg-if",
+ "digest",
+]
+
 [[package]]
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@@ -1051,7 +2131,7 @@ dependencies = [
  "libc",
  "log",
  "wasi",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1072,6 +2152,43 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "new_debug_unreachable"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
+
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+checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+dependencies = [
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+ "num-traits",
+]
+
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+dependencies = [
+ "autocfg",
+ "libm",
+]
+
 [[package]]
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 version = "1.16.0"
@@ -1082,6 +2199,27 @@ dependencies = [
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 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02339744ee7253741199f897151b38e72257d13802d4ee837285cc2990a90845"
+dependencies = [
+ "num_enum_derive",
+]
+
+[[package]]
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+checksum = "681030a937600a36906c185595136d26abfebb4aa9c65701cefcaf8578bb982b"
+dependencies = [
+ "proc-macro-crate 3.0.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
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@@ -1097,11 +2235,36 @@ version = "1.18.0"
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 checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
+[[package]]
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+checksum = "786393f80485445794f6043fd3138854dd109cc6c4bd1a6383db304c9ce9b9ce"
+dependencies = [
+ "arrayvec",
+ "auto_impl",
+ "bytes",
+ "ethereum-types",
+ "open-fastrlp-derive",
+]
+
+[[package]]
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+checksum = "003b2be5c6c53c1cfeb0a238b8a1c3915cd410feb684457a36c10038f764bb1c"
+dependencies = [
+ "bytes",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
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+version = "0.10.63"
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-checksum = "bac25ee399abb46215765b1cb35bc0212377e58a061560d8b29b024fd0430e7c"
+checksum = "15c9d69dd87a29568d4d017cfe8ec518706046a05184e5aea92d0af890b803c8"
 dependencies = [
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@@ -1120,7 +2283,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -1140,9 +2303,9 @@ dependencies = [
 
 [[package]]
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-version = "0.9.93"
+version = "0.9.99"
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-checksum = "db4d56a4c0478783083cfafcc42493dd4a981d41669da64b4572a2a089b51b1d"
+checksum = "22e1bf214306098e4832460f797824c05d25aacdf896f64a985fb0fd992454ae"
 dependencies = [
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  "libc",
@@ -1151,6 +2314,12 @@ dependencies = [
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 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
+
 [[package]]
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 version = "0.1.0"
@@ -1159,6 +2328,7 @@ dependencies = [
  "anyhow",
  "clap",
  "data-encoding",
+ "ethers",
  "hex",
  "k256",
  "openssl",
@@ -1172,6 +2342,32 @@ dependencies = [
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 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "881331e34fa842a2fb61cc2db9643a8fedc615e47cfcc52597d1af0db9a7e8fe"
+dependencies = [
+ "arrayvec",
+ "bitvec",
+ "byte-slice-cast",
+ "impl-trait-for-tuples",
+ "parity-scale-codec-derive",
+ "serde",
+]
+
+[[package]]
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+dependencies = [
+ "proc-macro-crate 2.0.0",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
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@@ -1186,26 +2382,165 @@ dependencies = [
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-checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
+checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall 0.4.1",
+ "smallvec",
+ "windows-targets 0.48.5",
+]
+
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+dependencies = [
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+ "rand_core",
+ "subtle",
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+
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+
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+
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+dependencies = [
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+ "phf_shared 0.11.2",
+ "proc-macro2",
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 dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall 0.4.1",
- "smallvec",
- "windows-targets",
+ "siphasher",
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 [[package]]
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+name = "pin-project"
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-checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
+checksum = "fda4ed1c6c173e3fc7a83629421152e01d7b1f9b7f65fb301e490e8cfc656422"
+dependencies = [
+ "pin-project-internal",
+]
 
 [[package]]
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+checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
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 [[package]]
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+[[package]]
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+
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+dependencies = [
+ "proc-macro2",
+ "syn 2.0.48",
+]
+
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+dependencies = [
+ "fixed-hash",
+ "impl-codec",
+ "impl-rlp",
+ "impl-serde",
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+ "uint",
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+
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+dependencies = [
+ "once_cell",
+ "toml_edit 0.19.15",
+]
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e8366a6159044a37876a2b9817124296703c586a5c92e2c53751fa06d8d43e8"
+dependencies = [
+ "toml_edit 0.20.7",
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+dependencies = [
+ "toml_edit 0.21.0",
+]
+
 [[package]]
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@@ -1273,22 +2666,44 @@ dependencies = [
 
 [[package]]
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 dependencies = [
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 ]
 
+[[package]]
+name = "proptest"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31b476131c3c86cb68032fdc5cb6d5a1045e3e42d96b69fa599fd77701e1f5bf"
+dependencies = [
+ "bitflags 2.4.1",
+ "lazy_static",
+ "num-traits",
+ "rand",
+ "rand_chacha",
+ "rand_xorshift",
+ "regex-syntax 0.8.2",
+ "unarray",
+]
+
 [[package]]
 name = "quote"
-version = "1.0.33"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
 dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -1319,6 +2734,35 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rand_xorshift"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d25bf25ec5ae4a3f1b92f929810509a2f53d7dca2f50b794ff57e3face536c8f"
+dependencies = [
+ "rand_core",
+]
+
+[[package]]
+name = "rayon"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.3.5"
@@ -1337,6 +2781,17 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a18479200779601e498ada4e8c1e1f50e3ee19deb0259c25825a98b5603b2cb4"
+dependencies = [
+ "getrandom",
+ "libredox",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.10.2"
@@ -1346,7 +2801,7 @@ dependencies = [
  "aho-corasick",
  "memchr",
  "regex-automata",
- "regex-syntax",
+ "regex-syntax 0.8.2",
 ]
 
 [[package]]
@@ -1357,9 +2812,15 @@ checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax",
+ "regex-syntax 0.8.2",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
+
 [[package]]
 name = "regex-syntax"
 version = "0.8.2"
@@ -1368,11 +2829,11 @@ checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
 name = "reqwest"
-version = "0.11.22"
+version = "0.11.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "046cd98826c46c2ac8ddecae268eb5c2e58628688a5fc7a2643704a73faba95b"
+checksum = "37b1ae8d9ac08420c66222fb9096fc5de435c3c48542bc5336c51892cffafb41"
 dependencies = [
- "base64",
+ "base64 0.21.4",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -1381,6 +2842,7 @@ dependencies = [
  "http",
  "http-body",
  "hyper",
+ "hyper-rustls",
  "hyper-tls",
  "ipnet",
  "js-sys",
@@ -1390,17 +2852,21 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "pin-project-lite",
+ "rustls",
+ "rustls-pemfile",
  "serde",
  "serde_json",
  "serde_urlencoded",
  "system-configuration",
  "tokio",
  "tokio-native-tls",
+ "tokio-rustls",
  "tower-service",
  "url",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
+ "webpki-roots",
  "winreg",
 ]
 
@@ -1414,12 +2880,78 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "ring"
+version = "0.16.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
+dependencies = [
+ "cc",
+ "libc",
+ "once_cell",
+ "spin 0.5.2",
+ "untrusted 0.7.1",
+ "web-sys",
+ "winapi",
+]
+
+[[package]]
+name = "ring"
+version = "0.17.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "688c63d65483050968b2a8937f7995f443e27041a0f7700aa59b0822aedebb74"
+dependencies = [
+ "cc",
+ "getrandom",
+ "libc",
+ "spin 0.9.8",
+ "untrusted 0.9.0",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "ripemd"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd124222d17ad93a644ed9d011a40f4fb64aa54275c08cc216524a9ea82fb09f"
+dependencies = [
+ "digest",
+]
+
+[[package]]
+name = "rlp"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb919243f34364b6bd2fc10ef797edbfa75f33c252e7998527479c6d6b47e1ec"
+dependencies = [
+ "bytes",
+ "rlp-derive",
+ "rustc-hex",
+]
+
+[[package]]
+name = "rlp-derive"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e33d7b2abe0c340d8797fe2907d3f20d3b5ea5908683618bfe80df7f621f672a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
+[[package]]
+name = "rustc-hex"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e75f6a532d0fd9f7f13144f392b6ad56a32696bfcd9c78f797f16bbb6f072d6"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -1439,22 +2971,101 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "rustls"
+version = "0.21.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9d5a6813c0759e4609cd494e8e725babae6a2ca7b62a5536a13daaec6fcb7ba"
+dependencies = [
+ "log",
+ "ring 0.17.7",
+ "rustls-webpki",
+ "sct",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
+dependencies = [
+ "base64 0.21.4",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.101.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b6275d1ee7a1cd780b64aca7726599a1dbc893b1e64144529e55c3c2f745765"
+dependencies = [
+ "ring 0.17.7",
+ "untrusted 0.9.0",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "ryu"
 version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
+[[package]]
+name = "salsa20"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97a22f5af31f73a954c10289c93e8a50cc23d971e80ee446f1f6f7137a088213"
+dependencies = [
+ "cipher",
+]
+
+[[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 = "scale-info"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f7d66a1128282b7ef025a8ead62a4a9fcf017382ec53b8ffbf4d7bf77bd3c60"
+dependencies = [
+ "cfg-if",
+ "derive_more",
+ "parity-scale-codec",
+ "scale-info-derive",
+]
+
+[[package]]
+name = "scale-info-derive"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abf2c68b89cafb3b8d918dd07b42be0da66ff202cf1155c5739a4e0c1ea0dc19"
+dependencies = [
+ "proc-macro-crate 1.3.1",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "schannel"
 version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c3733bf4cf7ea0880754e19cb5a462007c4a8c1914bff372ccc95b464f1df88"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1463,6 +3074,28 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "scrypt"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f9e24d2b632954ded8ab2ef9fea0a0c769ea56ea98bddbafbad22caeeadf45d"
+dependencies = [
+ "hmac",
+ "pbkdf2 0.11.0",
+ "salsa20",
+ "sha2",
+]
+
+[[package]]
+name = "sct"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
+dependencies = [
+ "ring 0.17.7",
+ "untrusted 0.9.0",
+]
+
 [[package]]
 name = "sec1"
 version = "0.7.3"
@@ -1505,25 +3138,40 @@ name = "semver"
 version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "send_wrapper"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f638d531eccd6e23b980caf34876660d38e265409d8e99b397ab71eb3612fad0"
+
+[[package]]
+name = "send_wrapper"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd0b0ec5f1c1ca621c432a25813d8d60c88abe6d3e08a3eb9cf37d97a0fe3d73"
 
 [[package]]
 name = "serde"
-version = "1.0.189"
+version = "1.0.195"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e422a44e74ad4001bdc8eede9a4570ab52f71190e9c076d14369f38b9200537"
+checksum = "63261df402c67811e9ac6def069e4786148c4563f4b50fd4bf30aa370d626b02"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.189"
+version = "1.0.195"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
+checksum = "46fe8f8603d81ba86327b23a2e9cdf49e1255fb94a4c5f297f6ee0547178ea2c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -1537,6 +3185,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -1571,6 +3228,16 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha3"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75872d278a8f37ef87fa0ddbda7802605cb18344497949862c0d4dcb291eba60"
+dependencies = [
+ "digest",
+ "keccak",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -1590,6 +3257,24 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "simple_asn1"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adc4e5204eb1910f40f9cfa375f6f05b68c3abac4b6fd879c8ff5e7ae8a0a085"
+dependencies = [
+ "num-bigint",
+ "num-traits",
+ "thiserror",
+ "time",
+]
+
+[[package]]
+name = "siphasher"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -1622,17 +3307,62 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b5fac59a5cb5dd637972e5fca70daf0523c9067fcdc4842f053dae04a18f8e9"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "solang-parser"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c425ce1c59f4b154717592f0bdf4715c3a1d55058883622d3157e1f0908a5b26"
+dependencies = [
+ "itertools 0.11.0",
+ "lalrpop",
+ "lalrpop-util",
+ "phf",
+ "thiserror",
+ "unicode-xid",
+]
+
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
 ]
 
 [[package]]
-name = "spki"
-version = "0.7.3"
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
+name = "string_cache"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+checksum = "f91138e76242f575eb1d3b38b4f1362f10d3a43f47d182a5b359af488a02293b"
 dependencies = [
- "base64ct",
- "der",
+ "new_debug_unreachable",
+ "once_cell",
+ "parking_lot",
+ "phf_shared 0.10.0",
+ "precomputed-hash",
 ]
 
 [[package]]
@@ -1641,12 +3371,54 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
+[[package]]
+name = "strum"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290d54ea6f91c969195bdbcd7442c8c2a2ba87da8bf60a7ee86a235d4bc1e125"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.25.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23dc1fa9ac9c169a78ba62f0b841814b7abae11bdd047b9c58f893439e309ea0"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "subtle"
 version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
+[[package]]
+name = "svm-rs"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20689c7d03b6461b502d0b95d6c24874c7d24dea2688af80486a130a06af3b07"
+dependencies = [
+ "dirs",
+ "fs2",
+ "hex",
+ "once_cell",
+ "reqwest",
+ "semver",
+ "serde",
+ "serde_json",
+ "sha2",
+ "thiserror",
+ "url",
+ "zip",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -1660,9 +3432,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.38"
+version = "2.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
+checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1690,6 +3462,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "tap"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
+
 [[package]]
 name = "tempfile"
 version = "3.8.0"
@@ -1700,7 +3478,18 @@ dependencies = [
  "fastrand",
  "redox_syscall 0.3.5",
  "rustix",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "term"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
+dependencies = [
+ "dirs-next",
+ "rustversion",
+ "winapi",
 ]
 
 [[package]]
@@ -1720,7 +3509,7 @@ checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -1792,7 +3581,7 @@ dependencies = [
  "signal-hook-registry",
  "socket2 0.5.5",
  "tokio-macros",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1803,7 +3592,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -1816,6 +3605,31 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-tungstenite"
+version = "0.20.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "212d5dcb2a1ce06d81107c3d0ffa3121fe974b73f068c8282cb1c32328113b6c"
+dependencies = [
+ "futures-util",
+ "log",
+ "rustls",
+ "tokio",
+ "tokio-rustls",
+ "tungstenite",
+ "webpki-roots",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.9"
@@ -1830,6 +3644,62 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "toml"
+version = "0.8.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1a195ec8c9da26928f773888e0742ca3ca1040c6cd859c919c9f59c1954ab35"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit 0.21.0",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.19.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+dependencies = [
+ "indexmap 2.1.0",
+ "toml_datetime",
+ "winnow",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.20.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70f427fce4d84c72b5b732388bf4a9f4531b53f74e2887e3ecb2481f68f66d81"
+dependencies = [
+ "indexmap 2.1.0",
+ "toml_datetime",
+ "winnow",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34d383cd00a163b4a5b85053df514d45bc330f6de7737edfe0a93311d1eaa03"
+dependencies = [
+ "indexmap 2.1.0",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.2"
@@ -1844,9 +3714,21 @@ checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
  "log",
  "pin-project-lite",
+ "tracing-attributes",
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-attributes"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "tracing-core"
 version = "0.1.32"
@@ -1856,18 +3738,66 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "tracing-futures"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
+dependencies = [
+ "pin-project",
+ "tracing",
+]
+
 [[package]]
 name = "try-lock"
 version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
 
+[[package]]
+name = "tungstenite"
+version = "0.20.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e3dac10fd62eaf6617d3a904ae222845979aec67c615d1c842b4002c7666fb9"
+dependencies = [
+ "byteorder",
+ "bytes",
+ "data-encoding",
+ "http",
+ "httparse",
+ "log",
+ "rand",
+ "rustls",
+ "sha1",
+ "thiserror",
+ "url",
+ "utf-8",
+]
+
 [[package]]
 name = "typenum"
 version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
+[[package]]
+name = "uint"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76f64bba2c53b04fcab63c01a7d7427eadc821e3bc48c34dc9ba29c501164b52"
+dependencies = [
+ "byteorder",
+ "crunchy",
+ "hex",
+ "static_assertions",
+]
+
+[[package]]
+name = "unarray"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94"
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.13"
@@ -1889,6 +3819,24 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
+
+[[package]]
+name = "untrusted"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
+
+[[package]]
+name = "untrusted"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
+
 [[package]]
 name = "url"
 version = "2.4.1"
@@ -1900,12 +3848,28 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "utf-8"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
+[[package]]
+name = "uuid"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
+dependencies = [
+ "getrandom",
+ "serde",
+]
+
 [[package]]
 name = "validator"
 version = "0.16.1"
@@ -1960,6 +3924,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"
@@ -1996,7 +3970,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
  "wasm-bindgen-shared",
 ]
 
@@ -2030,7 +4004,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.48",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2051,6 +4025,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webpki-roots"
+version = "0.25.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1778a42e8b3b90bff8d0f5032bf22250792889a5cdc752aa0020c84abe3aaf10"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2067,6 +4047,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -2079,7 +4068,16 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.0",
 ]
 
 [[package]]
@@ -2088,13 +4086,28 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.0",
+ "windows_aarch64_msvc 0.52.0",
+ "windows_i686_gnu 0.52.0",
+ "windows_i686_msvc 0.52.0",
+ "windows_x86_64_gnu 0.52.0",
+ "windows_x86_64_gnullvm 0.52.0",
+ "windows_x86_64_msvc 0.52.0",
 ]
 
 [[package]]
@@ -2103,42 +4116,93 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "winnow"
+version = "0.5.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7cf47b659b318dccbd69cc4797a39ae128f533dce7902a1096044d1967b9c16"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "winreg"
 version = "0.50.0"
@@ -2146,34 +4210,106 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "524e57b2c537c0f9b1e69f1965311ec12182b4122e45035b1508cd24d2adadb1"
 dependencies = [
  "cfg-if",
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "ws_stream_wasm"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7999f5f4217fe3818726b66257a4475f71e74ffd190776ad053fa159e50737f5"
+dependencies = [
+ "async_io_stream",
+ "futures",
+ "js-sys",
+ "log",
+ "pharos",
+ "rustc_version",
+ "send_wrapper 0.6.0",
+ "thiserror",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
 ]
 
+[[package]]
+name = "yansi"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
+
 [[package]]
 name = "zeroize"
 version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
 
+[[package]]
+name = "zip"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261"
+dependencies = [
+ "aes",
+ "byteorder",
+ "bzip2",
+ "constant_time_eq",
+ "crc32fast",
+ "crossbeam-utils",
+ "flate2",
+ "hmac",
+ "pbkdf2 0.11.0",
+ "sha1",
+ "time",
+ "zstd 0.11.2+zstd.1.5.2",
+]
+
+[[package]]
+name = "zstd"
+version = "0.11.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20cc960326ece64f010d2d2107537f26dc589a6573a316bd5b1dba685fa5fde4"
+dependencies = [
+ "zstd-safe 5.0.2+zstd.1.5.2",
+]
+
 [[package]]
 name = "zstd"
-version = "0.12.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a27595e173641171fc74a1232b7b1c7a7cb6e18222c11e9dfb9888fa424c53c"
+checksum = "bffb3309596d527cfcba7dfc6ed6052f1d39dfbd7c867aa2e865e4a449c10110"
 dependencies = [
- "zstd-safe",
+ "zstd-safe 7.0.0",
 ]
 
 [[package]]
 name = "zstd-safe"
-version = "6.0.6"
+version = "5.0.2+zstd.1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee98ffd0b48ee95e6c5168188e44a54550b1564d9d530ee21d5f0eaed1069581"
+checksum = "1d2a5585e04f9eea4b2a3d1eca508c4dee9592a89ef6f450c11719da0726f4db"
 dependencies = [
  "libc",
  "zstd-sys",
 ]
 
+[[package]]
+name = "zstd-safe"
+version = "7.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43747c7422e2924c11144d5229878b98180ef8b06cca4ab5af37afc8a8d8ea3e"
+dependencies = [
+ "zstd-sys",
+]
+
 [[package]]
 name = "zstd-sys"
 version = "2.0.9+zstd.1.5.5"
diff --git a/Cargo.toml b/Cargo.toml
index 14714b1..e8b9a18 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,9 +20,10 @@ actix-web = "4"
 anyhow = "1.0.75"
 clap = { version = "4.4.7", features = ["derive"] }
 data-encoding = "2.5.0"
+ethers = "2.0.11"
 hex = "0.4.3"
 k256 = { version = "0.13.2", features = ["ecdsa", "ecdsa-core"] }
-openssl = { version = "0.10", features = ["vendored"] }
+openssl = { version = "0.10.60", features = ["vendored"] }
 rand = "0.8.5"
 reqwest = { version = "0.11.9", features = ["json"] }
 serde = { version = "1.0", features = ["derive"] }
diff --git a/src/billing_handler.rs b/src/billing_handler.rs
new file mode 100644
index 0000000..b00298f
--- /dev/null
+++ b/src/billing_handler.rs
@@ -0,0 +1,134 @@
+use std::ops::DerefMut;
+
+use crate::model::AppState;
+
+use actix_web::web::{Data, Json};
+use actix_web::{get, post, HttpResponse, Responder};
+use k256::ecdsa::SigningKey;
+use k256::elliptic_curve::generic_array::sequence::Lengthen;
+use serde_json::json;
+use tiny_keccak::{Hasher, Keccak};
+
+#[derive(Debug, serde::Deserialize)]
+pub struct SigningData {
+    nonce: String,
+    tx_hashes: Vec<String>,
+}
+
+#[get("/billing/inspect")]
+pub async fn inspect_bill(appstate: Data<AppState>) -> impl Responder {
+    // Can replace with 'appstate.execution_costs.lock().unwrap().clone()' if turns out cloning is faster then Json creation!!
+    HttpResponse::Ok().json(json!({
+        "bill": *appstate.execution_costs.lock().unwrap(),
+    }))
+}
+
+#[get("/billing/latest")]
+pub async fn get_last_bill_claim(appstate: Data<AppState>) -> impl Responder {
+    let mut last_bill_claim_guard = appstate.last_bill_claim.lock().unwrap();
+    let last_bill_claim = last_bill_claim_guard.deref_mut();
+
+    let Some(bill_data_hex) = &last_bill_claim.0 else {
+        return HttpResponse::BadRequest().body("No bill claimed yet!");
+    };
+
+    if let Some(signature) = &last_bill_claim.1 {
+        return HttpResponse::Ok().json(json!({
+            "bill_claim_data": bill_data_hex,
+            "signature": signature,
+        }));
+    }
+
+    let bill_claim_data = hex::decode(bill_data_hex);
+    let Ok(bill_claim_data) = bill_claim_data else {
+        return HttpResponse::InternalServerError().body(format!(
+            "Failed to decode claimed bill data: {}",
+            bill_claim_data.unwrap_err()
+        ));
+    };
+
+    let signature = sign_data(bill_claim_data.as_slice(), &appstate.signer);
+    let Ok(signature) = signature else {
+        return HttpResponse::InternalServerError().body(format!(
+            "Failed to sign billing data: {}",
+            signature.unwrap_err()
+        ));
+    };
+
+    let response = HttpResponse::Ok().json(json!({
+        "bill_claim_data": bill_data_hex,
+        "signature": signature,
+    }));
+
+    last_bill_claim.1 = Some(signature);
+    return response;
+}
+
+#[post("/billing/export")]
+pub async fn export_bill(appstate: Data<AppState>, data: Json<SigningData>) -> impl Responder {
+    let signing_data = data.into_inner();
+    if signing_data.nonce.is_empty() {
+        return HttpResponse::BadRequest().body("Nonce must not be empty!");
+    }
+
+    if signing_data.tx_hashes.is_empty() {
+        return HttpResponse::BadRequest().body("List of transaction hashes must not be empty!");
+    }
+
+    let mut bytes32_nonce = [0u8; 32];
+    if let Err(err) = hex::decode_to_slice(&signing_data.nonce, &mut bytes32_nonce) {
+        return HttpResponse::BadRequest()
+            .body(format!("Failed to decode nonce into 32 bytes: {}", err));
+    }
+
+    let mut bill_claim_data = bytes32_nonce.to_vec();
+    for tx_hash in signing_data.tx_hashes {
+        if let Some(cost) = appstate.execution_costs.lock().unwrap().remove(&tx_hash) {
+            let mut bytes32_tx_hash = [0u8; 32];
+            if let Err(_) = hex::decode_to_slice(&tx_hash[2..], &mut bytes32_tx_hash) {
+                continue;
+            }
+
+            bill_claim_data.append(&mut bytes32_tx_hash.to_vec());
+            bill_claim_data.append(&mut cost.to_be_bytes().to_vec());
+        }
+    }
+
+    if bill_claim_data.len() == 32 {
+        return HttpResponse::BadRequest()
+            .body("Given transaction hashes are not present in billing data");
+    }
+
+    let signature = sign_data(bill_claim_data.as_slice(), &appstate.signer);
+    let bill_claim_data = hex::encode(bill_claim_data.as_slice());
+
+    let Ok(signature) = signature else {
+        *appstate.last_bill_claim.lock().unwrap() = (Some(bill_claim_data), None);
+
+        return HttpResponse::InternalServerError().body(format!(
+            "Failed to sign billing data: {}",
+            signature.unwrap_err()
+        ));
+    };
+
+    let response = HttpResponse::Ok().json(json!({
+        "bill_claim_data": bill_claim_data,
+        "signature": signature,
+    }));
+
+    *appstate.last_bill_claim.lock().unwrap() = (Some(bill_claim_data), Some(signature));
+    return response;
+}
+
+fn sign_data(data: &[u8], signer: &SigningKey) -> Result<String, anyhow::Error> {
+    let mut hasher = Keccak::v256();
+    hasher.update(data);
+
+    let mut hash = [0u8; 32];
+    hasher.finalize(&mut hash);
+
+    let (rs, v) = signer.sign_prehash_recoverable(&hash)?;
+    let signature = hex::encode(rs.to_bytes().append(27 + v.to_byte()).as_slice());
+
+    return Ok(signature);
+}
diff --git a/src/contracts/billing_contract_abi.json b/src/contracts/billing_contract_abi.json
new file mode 100644
index 0000000..b467f1d
--- /dev/null
+++ b/src/contracts/billing_contract_abi.json
@@ -0,0 +1,21 @@
+[
+	{
+		"inputs": [
+			{
+				"internalType": "bytes32",
+				"name": "_txhash",
+				"type": "bytes32"
+			}
+		],
+		"name": "balanceOf",
+		"outputs": [
+			{
+				"internalType": "uint256",
+				"name": "",
+				"type": "uint256"
+			}
+		],
+		"stateMutability": "view",
+		"type": "function"
+	}
+]
\ No newline at end of file
diff --git a/src/handler.rs b/src/handler.rs
index 24b7c2e..eb237e0 100644
--- a/src/handler.rs
+++ b/src/handler.rs
@@ -1,12 +1,13 @@
-use crate::{cgroups, model::AppState, workerd};
+use std::io::{BufRead, BufReader};
+use std::sync::atomic::Ordering;
+use std::time::{Duration, Instant};
+
+use crate::model::AppState;
+use crate::{cgroups, workerd};
 
 use actix_web::http::{header, StatusCode};
 use actix_web::{web, HttpRequest, HttpResponse, Responder};
 use anyhow::{anyhow, Context};
-use std::io::{BufRead, BufReader};
-use std::sync::atomic::Ordering;
-use std::time::Duration;
-// use std::time::Instant;
 use tokio::time::timeout;
 
 pub async fn serverless(
@@ -66,12 +67,14 @@ pub async fn serverless(
         workerd_runtime_path,
         &appstate.rpc,
         &appstate.contract,
+        &appstate.billing_contract,
     )
     .await
     {
         use workerd::ServerlessError::*;
         return match err {
             CalldataRetrieve(_)
+            | TxDepositNotEnough
             | TxNotFound
             | InvalidTxToType
             | InvalidTxToValue(_, _)
@@ -91,7 +94,7 @@ pub async fn serverless(
         };
     }
 
-    // let execution_timer_start = Instant::now();
+    let execution_timer_start = Instant::now();
 
     // reserve cgroup
     let cgroup = appstate.cgroups.lock().unwrap().reserve();
@@ -153,22 +156,13 @@ pub async fn serverless(
 
         use workerd::ServerlessError::*;
         return match err {
-            CalldataRetrieve(_)
-            | TxNotFound
-            | InvalidTxToType
-            | InvalidTxToValue(_, _)
-            | InvalidTxCalldataType
-            | BadCalldata(_) => HttpResponse::BadRequest().body(format!(
+            ConfigFileCreate(_) => HttpResponse::InternalServerError().body(format!(
                 "{:?}",
-                anyhow!(err).context("failed to create code file")
-            )),
-            CodeFileCreate(_) => HttpResponse::InternalServerError().body(format!(
-                "{:?}",
-                anyhow!(err).context("failed to create code file")
+                anyhow!(err).context("failed to create config file")
             )),
             _ => HttpResponse::InternalServerError().body(format!(
                 "{:?}",
-                anyhow!(err).context("unexpected error while trying to create code file")
+                anyhow!(err).context("unexpected error while trying to create config file")
             )),
         };
     }
@@ -250,6 +244,22 @@ pub async fn serverless(
         .context("CRITICAL: failed to clean up code file")
         .unwrap_or_else(|err| println!("{err:?}"));
 
+    let execution_timer_end = Instant::now();
+    let execution_time = execution_timer_end
+        .duration_since(execution_timer_start)
+        .as_millis();
+
+    // TODO: FIX THE VALUE OF FIXED COST AND CONVERSION RATE
+    let execution_cost = 1 + 2 * execution_time;
+
+    appstate
+        .execution_costs
+        .lock()
+        .unwrap()
+        .entry(tx_hash.to_owned())
+        .and_modify(|cost| *cost += execution_cost)
+        .or_insert(execution_cost);
+
     if let Err(err) = response {
         return HttpResponse::RequestTimeout()
             .body(format!("{:?}", anyhow!(err).context("worker timed out")));
@@ -264,12 +274,5 @@ pub async fn serverless(
     }
     let response = response.unwrap();
 
-    // let execution_timer_end = Instant::now();
-    // let execution_time = execution_timer_end
-    //     .duration_since(execution_timer_start)
-    //     .as_millis()
-    //     .to_string();
-    // println!("Execution time: {}ms", execution_time);
-
     return response;
 }
diff --git a/src/lib.rs b/src/lib.rs
index 7f54573..d75b849 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,17 @@
+pub mod billing_handler;
 pub mod cgroups;
 pub mod handler;
 pub mod model;
 mod tests;
 pub mod workerd;
+
+use ethers::contract::abigen;
+use ethers::providers::{Http, Provider};
+
+abigen!(
+    BillingContract,
+    "src/contracts/billing_contract_abi.json",
+    derives(serde::Serialize, serde::Deserialize)
+);
+
+type BillContract = BillingContract<Provider<Http>>;
diff --git a/src/main.rs b/src/main.rs
index 275d133..bbb9626 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,10 +1,16 @@
-use actix_web::{web, App, HttpServer};
-use anyhow::{anyhow, Context};
-use clap::Parser;
-use tokio::fs;
+use std::collections::HashMap;
+use std::sync::Arc;
 
 use serverless::cgroups::Cgroups;
 use serverless::model::AppState;
+use serverless::BillingContract;
+
+use actix_web::{web, App, HttpResponse, HttpServer};
+use anyhow::{anyhow, Context};
+use clap::Parser;
+use ethers::providers::{Http, Provider, ProviderExt};
+use ethers::types::Address;
+use tokio::fs;
 
 /// Simple program to greet a person
 #[derive(Parser, Debug)]
@@ -13,6 +19,9 @@ struct Args {
     #[clap(long, value_parser, default_value = "6001")]
     port: u16,
 
+    #[clap(long, value_parser)]
+    billing_port: u16, // TODO: ADD THE DEFAULT PORT
+
     #[clap(long, value_parser, default_value = "./runtime/")]
     runtime_path: String,
 
@@ -33,6 +42,9 @@ struct Args {
     )]
     contract: String,
 
+    #[clap(long, value_parser)]
+    billing_contract: String, // TODO: ADD A DEFAULT ADDRESS
+
     #[clap(long, value_parser)]
     signer: String,
 }
@@ -52,6 +64,7 @@ async fn main() -> anyhow::Result<()> {
     // println!("{:?}", response);
 
     let port: u16 = cli.port;
+    let billing_port: u16 = cli.billing_port;
 
     let cgroups = Cgroups::new().context("failed to construct cgroups")?;
     if cgroups.free.is_empty() {
@@ -66,14 +79,28 @@ async fn main() -> anyhow::Result<()> {
     )
     .context("invalid signer key")?;
 
+    let rpc_provider = Provider::<Http>::try_connect(&cli.rpc)
+        .await
+        .context("Failed to connect to the rpc")?;
+    let billing_contract = BillingContract::new(
+        cli.billing_contract
+            .parse::<Address>()
+            .context("Failed to parse billing contract address")?,
+        Arc::new(rpc_provider),
+    );
+
     let app_data = web::Data::new(AppState {
         cgroups: cgroups.into(),
         running: std::sync::atomic::AtomicBool::new(true),
         runtime_path: cli.runtime_path,
         rpc: cli.rpc,
         contract: cli.contract,
-        signer,
+        signer: signer,
+        billing_contract: billing_contract,
+        execution_costs: HashMap::new().into(),
+        last_bill_claim: (None, None).into(),
     });
+    let app_data_clone = app_data.clone();
 
     let server = HttpServer::new(move || {
         App::new()
@@ -86,7 +113,21 @@ async fn main() -> anyhow::Result<()> {
 
     println!("Server started on port {}", port);
 
-    server.await?;
+    let billing_server = HttpServer::new(move || {
+        App::new()
+            .app_data(app_data_clone.clone())
+            .service(serverless::billing_handler::inspect_bill)
+            .service(serverless::billing_handler::get_last_bill_claim)
+            .service(serverless::billing_handler::export_bill)
+            .default_service(web::to(HttpResponse::NotFound))
+    })
+    .bind(("0.0.0.0", billing_port))
+    .context(format!("could not bind to port {billing_port}"))?
+    .run();
+
+    println!("Billing Server started on port {}", billing_port);
+
+    tokio::try_join!(server, billing_server)?;
 
     Ok(())
 }
diff --git a/src/model.rs b/src/model.rs
index d1ee9bc..5520149 100644
--- a/src/model.rs
+++ b/src/model.rs
@@ -1,5 +1,9 @@
+use std::collections::HashMap;
+use std::sync::atomic::AtomicBool;
+use std::sync::Mutex;
+
 use crate::cgroups::Cgroups;
-use std::sync::{atomic::AtomicBool, Mutex};
+use crate::BillContract;
 
 pub struct AppState {
     pub cgroups: Mutex<Cgroups>,
@@ -11,4 +15,7 @@ pub struct AppState {
     pub rpc: String,
     pub contract: String,
     pub signer: k256::ecdsa::SigningKey,
+    pub billing_contract: BillContract,
+    pub execution_costs: Mutex<HashMap<String, u128>>,
+    pub last_bill_claim: Mutex<(Option<String>, Option<String>)>,
 }
diff --git a/src/tests.rs b/src/tests.rs
index e92f9fa..09a4639 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -8,14 +8,20 @@ pub mod serverlesstest {
     use crate::cgroups::Cgroups;
     use crate::handler;
     use crate::model::AppState;
+    use crate::BillingContract;
     use actix_web::{
         body::MessageBody,
         dev::{ServiceFactory, ServiceRequest, ServiceResponse},
         error::Error,
         http, test, web, App,
     };
+    use ethers::providers::{Http, Provider};
+    use ethers::types::Address;
     use serde_json::json;
+    use std::collections::HashMap;
     use std::sync::atomic::AtomicBool;
+    use std::sync::Arc;
+    use std::time::Duration;
 
     fn new_app() -> App<
         impl ServiceFactory<
@@ -26,14 +32,28 @@ pub mod serverlesstest {
             Error = Error,
         >,
     > {
+        let rpc = String::from("https://sepolia-rollup.arbitrum.io/rpc");
+        let billing_contract_add = String::new(); // TODO: ADD BILLING CONTRACT FOR TESTS
+
+        let rpc_provider = Provider::<Http>::try_from(&rpc)
+            .unwrap()
+            .interval(Duration::from_millis(1000));
+        let billing_contract = BillingContract::new(
+            billing_contract_add.parse::<Address>().unwrap(),
+            Arc::new(rpc_provider),
+        );
+
         App::new()
             .app_data(web::Data::new(AppState {
                 cgroups: Cgroups::new().unwrap().into(),
                 running: AtomicBool::new(true),
                 runtime_path: "./runtime/".to_owned(),
-                rpc: "https://sepolia-rollup.arbitrum.io/rpc".to_owned(),
+                rpc: rpc,
                 contract: "0x44fe06d2940b8782a0a9a9ffd09c65852c0156b1".to_owned(),
                 signer: k256::ecdsa::SigningKey::random(&mut rand::rngs::OsRng),
+                billing_contract: billing_contract,
+                execution_costs: HashMap::new().into(),
+                last_bill_claim: (None, None).into(),
             }))
             .default_service(web::to(handler::serverless))
     }
diff --git a/src/workerd.rs b/src/workerd.rs
index 110189f..5540814 100644
--- a/src/workerd.rs
+++ b/src/workerd.rs
@@ -1,24 +1,30 @@
 use std::process::Child;
 use std::time::{Duration, Instant};
 
-use thiserror::Error;
+use crate::cgroups::{Cgroups, CgroupsError};
+use crate::BillContract;
 
 use actix_web::{HttpRequest, HttpResponse};
+use anyhow::Error;
+use ethers::prelude::*;
 use k256::elliptic_curve::generic_array::sequence::Lengthen;
 use reqwest::Client;
 use serde_json::{json, Value};
+use thiserror::Error;
 use tiny_keccak::{Hasher, Keccak};
 use tokio::fs::File;
 use tokio::io::AsyncWriteExt;
 use tokio::net::TcpStream;
 use tokio::time::sleep;
 
-use crate::cgroups::{Cgroups, CgroupsError};
-
 #[derive(Error, Debug)]
 pub enum ServerlessError {
     #[error("failed to retrieve calldata")]
     CalldataRetrieve(#[from] reqwest::Error),
+    #[error("failed to retrieve tx deposit")]
+    TxDepositNotFound,
+    #[error("tx deposit not enough")]
+    TxDepositNotEnough,
     #[error("tx not found")]
     TxNotFound,
     #[error("to field of transaction is not an address")]
@@ -45,6 +51,18 @@ pub enum ServerlessError {
     BadPort(#[source] std::num::ParseIntError),
 }
 
+async fn get_current_deposit(
+    tx_hash: &str,
+    billing_contract: &BillContract,
+) -> Result<U256, Error> {
+    let mut bytes32_tx_hash = [0u8; 32];
+    hex::decode_to_slice(&tx_hash[2..], &mut bytes32_tx_hash)?;
+
+    let deposit = billing_contract.balance_of(bytes32_tx_hash).call().await?;
+
+    Ok(deposit)
+}
+
 async fn get_transaction_data(tx_hash: &str, rpc: &str) -> Result<Value, reqwest::Error> {
     let client = Client::new();
     let method = "eth_getTransactionByHash";
@@ -70,6 +88,7 @@ pub async fn create_code_file(
     workerd_runtime_path: &str,
     rpc: &str,
     contract: &str,
+    billing_contract: &BillContract,
 ) -> Result<(), ServerlessError> {
     // get tx data
     let mut tx_data = match get_transaction_data(tx_hash, rpc).await?["result"].take() {
@@ -97,6 +116,15 @@ pub async fn create_code_file(
         _ => Err(ServerlessError::InvalidTxCalldataType),
     }?;
 
+    // get tx deposit
+    let tx_deposit = get_current_deposit(tx_hash, billing_contract)
+        .await
+        .map_err(|_| ServerlessError::TxDepositNotFound)?;
+    // TODO: FIX THE FIXED MINIMUM VALUE
+    if tx_deposit <= U256::from(200) {
+        return Err(ServerlessError::TxDepositNotEnough);
+    }
+
     // hex decode calldata by skipping to the code bytes
     let mut calldata = hex::decode(&calldata[138..])?;