diff --git a/Cargo.lock b/Cargo.lock
index fca4f13..8e4a20c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,16 +2,6 @@
 # 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 = "addr2line"
 version = "0.17.0"
@@ -27,18 +17,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
-[[package]]
-name = "aes"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8b47f52ea9bae42228d07ec09eb676433d7c4ed1ebdf0f1d1c29ed446f1ab8"
-dependencies = [
- "cfg-if",
- "cipher",
- "cpufeatures",
- "opaque-debug 0.3.0",
-]
-
 [[package]]
 name = "ahash"
 version = "0.7.6"
@@ -79,7 +57,7 @@ dependencies = [
 [[package]]
 name = "ark-circom"
 version = "0.1.0"
-source = "git+https://github.com/philsippl/ark-circom#eb53e6edb2a96ad41adcf44f2f213e6c0f9ee820"
+source = "git+https://github.com/gakonst/ark-circom#d0478d1538d229302f33cc2a6d753ab3c7d73bf3"
 dependencies = [
  "ark-bn254",
  "ark-ec",
@@ -268,28 +246,6 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
 
-[[package]]
-name = "async-trait"
-version = "0.1.52"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "061a7acccaa286c011ddc30970520b98fa40e00c9d644633fb26b5fc63a265e3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[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 0.4.0",
-]
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -301,18 +257,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "auto_impl"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7862e21c893d65a1650125d157eaeec691439379a1cee17ee49031b79236ada4"
-dependencies = [
- "proc-macro-error",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -340,55 +284,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
 
-[[package]]
-name = "base58"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5024ee8015f02155eee35c711107ddd9a9bf3cb689cf2a9089c97e79b6e1ae83"
-
-[[package]]
-name = "base58check"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ee2fe4c9a0c84515f136aaae2466744a721af6d63339c18689d9e995d74d99b"
-dependencies = [
- "base58",
- "sha2 0.8.2",
-]
-
-[[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 = "base64ct"
 version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "874f8444adcb4952a8bc51305c8be95c8ec8237bb0d2e78d2e039f771f8828a0"
 
-[[package]]
-name = "bech32"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dabbe35f96fb9507f7330793dc490461b2962659ac5d427181e451a623751d1"
-
-[[package]]
-name = "bincode"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "bit-set"
 version = "0.5.2"
@@ -410,16 +311,6 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
-[[package]]
-name = "bitvec"
-version = "0.17.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41262f11d771fd4a61aa3ce019fca363b4b6c282fca9da2a31186d3965a47a5c"
-dependencies = [
- "either",
- "radium 0.3.0",
-]
-
 [[package]]
 name = "bitvec"
 version = "0.20.4"
@@ -427,7 +318,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7774144344a4faa177370406a7ff5f1da24303817368584c6206c8303eb07848"
 dependencies = [
  "funty",
- "radium 0.6.2",
+ "radium",
  "tap",
  "wyz",
 ]
@@ -440,19 +331,7 @@ checksum = "0a4e37d16930f5459780f5621038b6382b9bb37c19016f39fb6b5808d831f174"
 dependencies = [
  "crypto-mac 0.8.0",
  "digest 0.9.0",
- "opaque-debug 0.3.0",
-]
-
-[[package]]
-name = "block-buffer"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
-dependencies = [
- "block-padding 0.1.5",
- "byte-tools",
- "byteorder",
- "generic-array 0.12.4",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -461,8 +340,8 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
 dependencies = [
- "block-padding 0.2.1",
- "generic-array 0.14.5",
+ "block-padding",
+ "generic-array",
 ]
 
 [[package]]
@@ -471,16 +350,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1d36a02058e76b040de25a4464ba1c80935655595b661505c8b39b664828b95"
 dependencies = [
- "generic-array 0.14.5",
-]
-
-[[package]]
-name = "block-padding"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
-dependencies = [
- "byte-tools",
+ "generic-array",
 ]
 
 [[package]]
@@ -489,12 +359,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
 
-[[package]]
-name = "bs58"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "771fe0050b883fcc3ea2359b1a96bcfbc090b7116eae7c3c512c7a083fdf23d3"
-
 [[package]]
 name = "bstr"
 version = "0.2.17"
@@ -519,12 +383,6 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d30c751592b77c499e7bce34d99d67c2c11bdc0574e9a488ddade14150a4698"
 
-[[package]]
-name = "byte-tools"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
-
 [[package]]
 name = "bytecheck"
 version = "0.6.7"
@@ -561,37 +419,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "camino"
-version = "1.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f3132262930b0522068049f5870a856ab8affc80c70d08b6ecb785771a6fc23"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "cargo-platform"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbdb825da8a5df079a43676dbe042702f1707b1109f713a01420fbb4cc71fa27"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "cargo_metadata"
-version = "0.14.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba2ae6de944143141f6155a473a6b02f66c7c3f9f47316f802f80204ebfe6e12"
-dependencies = [
- "camino",
- "cargo-platform",
- "semver 1.0.4",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "cast"
 version = "0.2.7"
@@ -613,15 +440,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "cipher"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
-dependencies = [
- "generic-array 0.14.5",
-]
-
 [[package]]
 name = "clap"
 version = "2.34.0"
@@ -633,62 +451,6 @@ dependencies = [
  "unicode-width",
 ]
 
-[[package]]
-name = "coins-bip32"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01b669993c632e5fec4a297085ec57381f53e4646c123cb77a7ca754e005c921"
-dependencies = [
- "bincode",
- "bs58",
- "coins-core",
- "digest 0.9.0",
- "hmac",
- "k256 0.9.6",
- "lazy_static",
- "serde",
- "sha2 0.9.9",
- "thiserror",
-]
-
-[[package]]
-name = "coins-bip39"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38426029442f91bd49973d6f59f28e3dbb14e633e3019ac4ec6bce402c44f81c"
-dependencies = [
- "bitvec 0.17.4",
- "coins-bip32",
- "getrandom",
- "hex",
- "hmac",
- "pbkdf2",
- "rand 0.8.4",
- "sha2 0.9.9",
- "thiserror",
-]
-
-[[package]]
-name = "coins-core"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d257d975731955ee86fa7f348000c3fea09c262e84c70c11e994a85aa4f467a7"
-dependencies = [
- "base58check",
- "base64 0.12.3",
- "bech32",
- "blake2",
- "digest 0.9.0",
- "generic-array 0.14.5",
- "hex",
- "ripemd160",
- "serde",
- "serde_derive",
- "sha2 0.9.9",
- "sha3",
- "thiserror",
-]
-
 [[package]]
 name = "color-eyre"
 version = "0.5.11"
@@ -716,51 +478,12 @@ dependencies = [
  "tracing-error",
 ]
 
-[[package]]
-name = "colored"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3616f750b84d8f0de8a58bda93e08e2a81ad3f523089b05f1dffecab48c6cbd"
-dependencies = [
- "atty",
- "lazy_static",
- "winapi",
-]
-
-[[package]]
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-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d6f2aa4d0537bcc1c74df8755072bd31c1ef1a3a1b85a68e8404a8c353b7b8b"
-
 [[package]]
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 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e4c78c047431fee22c1a7bb92e00ad095a02a983affe4d8a72e2a2c62c1b94f3"
 
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-name = "convert_case"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
-
-[[package]]
-name = "core-foundation"
-version = "0.9.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6888e10551bb93e424d8df1d07f1a8b4fceb0001a3a4b048bfc47554946f47b3"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
-[[package]]
-name = "core-foundation-sys"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
-
 [[package]]
 name = "cpufeatures"
 version = "0.2.1"
@@ -931,7 +654,7 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f83bd3bb4314701c568e340cd8cf78c975aa0ca79e03d3f6d1677d5b0c9c0c03"
 dependencies = [
- "generic-array 0.14.5",
+ "generic-array",
  "rand_core 0.6.3",
  "subtle",
  "zeroize",
@@ -943,7 +666,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03c6a1d5fa1de37e071642dfa44ec552ca5b299adb128fab16138e24b548fd21"
 dependencies = [
- "generic-array 0.14.5",
+ "generic-array",
  "rand_core 0.6.3",
  "subtle",
  "zeroize",
@@ -955,7 +678,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "683d6b536309245c849479fba3da410962a43ed8e51c26b729208ec0ac2798d0"
 dependencies = [
- "generic-array 0.14.5",
+ "generic-array",
 ]
 
 [[package]]
@@ -964,7 +687,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
 dependencies = [
- "generic-array 0.14.5",
+ "generic-array",
  "subtle",
 ]
 
@@ -974,7 +697,7 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1d1a86f49236c215f271d40892d5fc950490551400b02ef360692c29815c714"
 dependencies = [
- "generic-array 0.14.5",
+ "generic-array",
  "subtle",
 ]
 
@@ -1000,15 +723,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "ctr"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a232f92a03f37dd7d7dd2adc67166c77e9cd88de5b019b9a9eecfaeaf7bfd481"
-dependencies = [
- "cipher",
-]
-
 [[package]]
 name = "darling"
 version = "0.13.1"
@@ -1049,9 +763,6 @@ name = "der"
 version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79b71cca7d95d7681a4b3b9cdf63c8dbc3730d0584c2c74e31416d64a90493f4"
-dependencies = [
- "const-oid 0.6.2",
-]
 
 [[package]]
 name = "der"
@@ -1059,7 +770,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6919815d73839e7ad218de758883aae3a257ba6759ce7a9992501efbb53d705c"
 dependencies = [
- "const-oid 0.7.1",
+ "const-oid",
 ]
 
 [[package]]
@@ -1073,22 +784,13 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "digest"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
-dependencies = [
- "generic-array 0.12.4",
-]
-
 [[package]]
 name = "digest"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
 dependencies = [
- "generic-array 0.14.5",
+ "generic-array",
 ]
 
 [[package]]
@@ -1099,7 +801,7 @@ checksum = "b697d66081d42af4fba142d56918a3cb21dc8eb63372c6b85d14f44fb9c5979b"
 dependencies = [
  "block-buffer 0.10.0",
  "crypto-common",
- "generic-array 0.14.5",
+ "generic-array",
 ]
 
 [[package]]
@@ -1140,9 +842,8 @@ checksum = "beca177dcb8eb540133e7680baff45e7cc4d93bf22002676cec549f82343721b"
 dependencies = [
  "crypto-bigint 0.2.11",
  "ff 0.10.1",
- "generic-array 0.14.5",
+ "generic-array",
  "group 0.10.0",
- "pkcs8 0.7.6",
  "rand_core 0.6.3",
  "subtle",
  "zeroize",
@@ -1158,7 +859,7 @@ dependencies = [
  "crypto-bigint 0.3.2",
  "der 0.5.1",
  "ff 0.11.0",
- "generic-array 0.14.5",
+ "generic-array",
  "group 0.11.0",
  "rand_core 0.6.3",
  "sec1",
@@ -1166,15 +867,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "encoding_rs"
-version = "0.8.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7896dc8abb250ffdda33912550faa54c88ec8b998dec0b2c55ab224921ce11df"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "enumset"
 version = "1.0.8"
@@ -1196,28 +888,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "eth-keystore"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d47d900a7dea08593d398104f8288e37858b0ad714c8d08cd03fdb86563e6402"
-dependencies = [
- "aes",
- "ctr",
- "digest 0.9.0",
- "hex",
- "hmac",
- "pbkdf2",
- "rand 0.8.4",
- "scrypt",
- "serde",
- "serde_json",
- "sha2 0.9.9",
- "sha3",
- "thiserror",
- "uuid",
-]
-
 [[package]]
 name = "ethabi"
 version = "15.0.0"
@@ -1277,77 +947,6 @@ dependencies = [
  "uint",
 ]
 
-[[package]]
-name = "ethers"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59989141d334913ea2784f923e014ff9f7da373455aa12f884ab5f71378eb465"
-dependencies = [
- "ethers-contract",
- "ethers-core 0.6.3",
- "ethers-etherscan",
- "ethers-middleware",
- "ethers-providers",
- "ethers-signers",
- "ethers-solc",
-]
-
-[[package]]
-name = "ethers-contract"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0c49f7c627973e1fcb46404d7846b3bc6c2a7a33616628258f61d26c6e6b89a"
-dependencies = [
- "ethers-contract-abigen",
- "ethers-contract-derive",
- "ethers-core 0.6.3",
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- "thiserror",
-]
-
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- "once_cell",
- "proc-macro2",
- "quote",
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- "serde",
- "serde_json",
- "syn",
- "url",
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-
-[[package]]
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- "serde_json",
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-]
-
 [[package]]
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@@ -1358,7 +957,7 @@ dependencies = [
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  "elliptic-curve 0.11.12",
  "ethabi 16.0.0",
- "generic-array 0.14.5",
+ "generic-array",
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  "k256 0.10.2",
  "once_cell",
@@ -1379,140 +978,22 @@ checksum = "f15e1a2a54bc6bc3f8ea94afafbb374264f8322fcacdae06fefda80a206739ac"
 dependencies = [
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- "cargo_metadata",
- "convert_case",
  "ecdsa 0.12.4",
  "elliptic-curve 0.11.12",
  "ethabi 15.0.0",
- "generic-array 0.14.5",
+ "generic-array",
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  "k256 0.9.6",
  "once_cell",
- "proc-macro2",
- "quote",
  "rand 0.8.4",
  "rlp",
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- "syn",
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-
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-
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-
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- "futures-util",
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- "sha2 0.9.9",
- "thiserror",
-]
-
-[[package]]
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-dependencies = [
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- "semver 1.0.4",
- "serde",
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- "sha2 0.9.9",
- "thiserror",
- "tracing",
- "walkdir",
-]
-
 [[package]]
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@@ -1523,12 +1004,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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@@ -1608,31 +1083,6 @@ version = "1.0.7"
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 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
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-
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-
-[[package]]
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-dependencies = [
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-
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@@ -1645,110 +1095,6 @@ version = "1.1.0"
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 checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
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-
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-
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-
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-dependencies = [
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- "syn",
-]
-
-[[package]]
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-
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-
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-
-[[package]]
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-dependencies = [
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- "futures-io",
- "futures-macro",
- "futures-sink",
- "futures-task",
- "memchr",
- "pin-project-lite",
- "pin-utils",
- "slab",
-]
-
-[[package]]
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-dependencies = [
- "typenum",
-]
-
 [[package]]
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 version = "0.14.5"
@@ -1766,10 +1112,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "418d37c8b1d42553c93648be529cb70f920d3baf8ef469b74b9638df426e0b4c"
 dependencies = [
  "cfg-if",
- "js-sys",
  "libc",
  "wasi",
- "wasm-bindgen",
 ]
 
 [[package]]
@@ -1789,12 +1133,6 @@ version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78cc372d058dcf6d5ecd98510e7fbc9e5aec4d21de70f65fea8fecebcd881bd4"
 
-[[package]]
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-
 [[package]]
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@@ -1817,25 +1155,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "futures-util",
- "http",
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- "slab",
- "tokio",
- "tokio-util",
- "tracing",
-]
-
 [[package]]
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 version = "1.8.2"
@@ -1882,116 +1201,12 @@ dependencies = [
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 ]
 
-[[package]]
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-dependencies = [
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-]
-
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-]
-
-[[package]]
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-dependencies = [
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-
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- "h2",
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-
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-dependencies = [
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-
-[[package]]
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-dependencies = [
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-
 [[package]]
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 checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
-[[package]]
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-dependencies = [
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- "unicode-bidi",
- "unicode-normalization",
-]
-
 [[package]]
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@@ -2054,17 +1269,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
 dependencies = [
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- "wasm-bindgen",
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-
 [[package]]
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@@ -2104,7 +1310,6 @@ dependencies = [
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  "ecdsa 0.12.4",
  "elliptic-curve 0.10.6",
- "sha2 0.9.9",
  "sha3",
 ]
 
@@ -2155,15 +1360,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
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-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88943dd7ef4a2e5a4bfa2753aaab3013e34ce2533d1996fb18ef591e315e2b3b"
-dependencies = [
- "scopeguard",
-]
-
 [[package]]
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@@ -2203,23 +1399,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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- "opaque-debug 0.3.0",
-]
-
 [[package]]
 name = "memchr"
 version = "2.4.1"
@@ -2244,12 +1423,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
 [[package]]
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 version = "0.4.4"
@@ -2260,61 +1433,12 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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 [[package]]
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-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "libc",
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- "openssl-sys",
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@@ -2436,51 +1560,12 @@ version = "11.1.3"
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 [[package]]
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-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c7ae222234c30df141154f159066c5093ff73b63204dcda7121eb082fc56a95"
-dependencies = [
- "bitflags",
- "cfg-if",
- "foreign-types",
- "libc",
- "once_cell",
- "openssl-sys",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
-
-[[package]]
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-dependencies = [
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- "cc",
- "libc",
- "pkg-config",
- "vcpkg",
-]
-
 [[package]]
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@@ -2494,7 +1579,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "373b1a4c1338d9cd3d1fa53b3a11bdab5ab6bd80a20f7f7becd76953ae2be909"
 dependencies = [
  "arrayvec",
- "bitvec 0.20.4",
+ "bitvec",
  "byte-slice-cast",
  "impl-trait-for-tuples",
  "parity-scale-codec-derive",
@@ -2513,67 +1598,12 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
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-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "cfg-if",
- "instant",
- "libc",
- "redox_syscall",
- "smallvec",
- "winapi",
-]
-
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-dependencies = [
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- "rand_core 0.6.3",
- "subtle",
-]
-
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0744126afe1a6dd7f394cb50a716dbe086cb06e255e53d8d0185d82828358fb5"
 
-[[package]]
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-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d95f5254224e617595d2cc3cc73ff0a5eaf2637519e25f03388154e9378b6ffa"
-dependencies = [
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- "crypto-mac 0.11.1",
- "hmac",
- "password-hash",
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-
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-
 [[package]]
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@@ -2583,58 +1613,12 @@ dependencies = [
  "ucd-trie",
 ]
 
-[[package]]
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-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-]
-
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-dependencies = [
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-]
-
-[[package]]
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-dependencies = [
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- "quote",
- "syn",
-]
-
 [[package]]
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 checksum = "e280fbe77cc62c91527259e9442153f4688736748d24660126286329742b4c6c"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
-
-[[package]]
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-dependencies = [
- "der 0.4.5",
- "spki 0.4.1",
-]
-
 [[package]]
 name = "pkcs8"
 version = "0.8.0"
@@ -2642,16 +1626,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7cabda3fb821068a9a4fab19a683eac3af12edf0f34b94a8be53c4972b8149d0"
 dependencies = [
  "der 0.5.1",
- "spki 0.5.4",
+ "spki",
  "zeroize",
 ]
 
-[[package]]
-name = "pkg-config"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58893f751c9b0412871a09abd62ecd2a00298c6c83befa223ef98c52aef40cbe"
-
 [[package]]
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@@ -2814,12 +1792,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
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-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "def50a86306165861203e7f84ecffbbdfdea79f0e51039b33de1e952358c47ac"
-
 [[package]]
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 version = "0.6.2"
@@ -3010,47 +1982,6 @@ dependencies = [
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 ]
 
-[[package]]
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-version = "0.11.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87f242f1488a539a79bac6dbe7c8609ae43b7914b7736210f239a37cccb32525"
-dependencies = [
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- "bytes",
- "encoding_rs",
- "futures-core",
- "futures-util",
- "h2",
- "http",
- "http-body",
- "hyper",
- "hyper-rustls",
- "hyper-tls",
- "ipnet",
- "js-sys",
- "lazy_static",
- "log",
- "mime",
- "native-tls",
- "percent-encoding",
- "pin-project-lite",
- "rustls",
- "rustls-pemfile",
- "serde",
- "serde_json",
- "serde_urlencoded",
- "tokio",
- "tokio-native-tls",
- "tokio-rustls",
- "url",
- "wasm-bindgen",
- "wasm-bindgen-futures",
- "web-sys",
- "webpki-roots",
- "winreg",
-]
-
 [[package]]
 name = "rfc6979"
 version = "0.1.0"
@@ -3062,32 +1993,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
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-version = "0.16.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
-dependencies = [
- "cc",
- "libc",
- "once_cell",
- "spin",
- "untrusted",
- "web-sys",
- "winapi",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "digest 0.9.0",
- "opaque-debug 0.3.0",
-]
-
 [[package]]
 name = "rkyv"
 version = "0.7.31"
@@ -3170,27 +2075,6 @@ dependencies = [
  "semver 1.0.4",
 ]
 
-[[package]]
-name = "rustls"
-version = "0.20.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d37e5e2290f3e040b594b1a9e04377c2c671f1a1cfd9bfdef82106ac1c113f84"
-dependencies = [
- "log",
- "ring",
- "sct",
- "webpki",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "base64 0.13.0",
-]
-
 [[package]]
 name = "rustversion"
 version = "1.0.6"
@@ -3215,15 +2099,6 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
 
-[[package]]
-name = "salsa20"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecbd2eb639fd7cab5804a0837fe373cc2172d15437e804c054a9fb885cb923b0"
-dependencies = [
- "cipher",
-]
-
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -3233,46 +2108,12 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
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-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
-dependencies = [
- "lazy_static",
- "winapi",
-]
-
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
-[[package]]
-name = "scrypt"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "879588d8f90906e73302547e20fffefdd240eb3e0e744e142321f5d49dea0518"
-dependencies = [
- "base64ct",
- "hmac",
- "password-hash",
- "pbkdf2",
- "salsa20",
- "sha2 0.9.9",
-]
-
-[[package]]
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-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
-dependencies = [
- "ring",
- "untrusted",
-]
-
 [[package]]
 name = "seahash"
 version = "4.1.0"
@@ -3286,35 +2127,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08da66b8b0965a5555b6bd6639e68ccba85e1e2506f5fbb089e93f8a04e1a2d1"
 dependencies = [
  "der 0.5.1",
- "generic-array 0.14.5",
- "pkcs8 0.8.0",
+ "generic-array",
+ "pkcs8",
  "subtle",
  "zeroize",
 ]
 
-[[package]]
-name = "security-framework"
-version = "2.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fed7948b6c68acbb6e20c334f55ad635dc0f75506963de4464289fbd3b051ac"
-dependencies = [
- "bitflags",
- "core-foundation",
- "core-foundation-sys",
- "libc",
- "security-framework-sys",
-]
-
-[[package]]
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-version = "2.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a57321bf8bc2362081b2599912d2961fe899c0efadf1b4b2f8d48b3e253bb96c"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "semaphore"
 version = "0.1.0"
@@ -3327,7 +2145,7 @@ dependencies = [
  "ark-relations",
  "ark-std",
  "color-eyre",
- "ethers",
+ "ethers-core 0.6.3",
  "ff_ce",
  "hex",
  "hex-literal",
@@ -3337,7 +2155,9 @@ dependencies = [
  "proptest",
  "rayon",
  "serde",
- "sha2 0.10.1",
+ "serde_json",
+ "sha2",
+ "tiny-keccak",
 ]
 
 [[package]]
@@ -3354,9 +2174,6 @@ name = "semver"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
-dependencies = [
- "serde",
-]
 
 [[package]]
 name = "semver-parser"
@@ -3367,12 +2184,6 @@ dependencies = [
  "pest",
 ]
 
-[[package]]
-name = "send_wrapper"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "930c0acf610d3fdb5e2ab6213019aaa04e227ebe9547b0649ba599b16d788bd7"
-
 [[package]]
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@@ -3382,16 +2193,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "serde_bytes"
 version = "0.11.5"
@@ -3424,53 +2225,15 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.78"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d23c1ba4cf0efd44be32017709280b32d1cea5c3f1275c3b6d9e8bc54f758085"
+checksum = "8e8d9fa5c3b304765ce1fd9c4c8a3de2c8db365a5b91be52f186efc675681d95"
 dependencies = [
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 ]
 
-[[package]]
-name = "serde_urlencoded"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
-dependencies = [
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- "itoa 1.0.1",
- "ryu",
- "serde",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "digest 0.8.1",
- "fake-simd",
- "opaque-debug 0.2.3",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug 0.3.0",
- "sha2-asm",
-]
-
 [[package]]
 name = "sha2"
 version = "0.10.1"
@@ -3482,15 +2245,6 @@ dependencies = [
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 ]
 
-[[package]]
-name = "sha2-asm"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf27176fb5d15398e3a479c652c20459d9dac830dedd1fa55b42a77dbcdbfcea"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "sha3"
 version = "0.9.1"
@@ -3500,7 +2254,7 @@ dependencies = [
  "block-buffer 0.9.0",
  "digest 0.9.0",
  "keccak",
- "opaque-debug 0.3.0",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -3522,43 +2276,12 @@ dependencies = [
  "rand_core 0.6.3",
 ]
 
-[[package]]
-name = "slab"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9def91fd1e018fe007022791f865d0ccc9b3a0d5001e01aabb8b40e46000afb5"
-
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "winapi",
-]
-
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-
-[[package]]
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-dependencies = [
- "der 0.4.5",
-]
-
 [[package]]
 name = "spki"
 version = "0.5.4"
@@ -3699,71 +2422,6 @@ dependencies = [
  "serde_json",
 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
-dependencies = [
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-
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-
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-dependencies = [
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- "memchr",
- "mio",
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- "winapi",
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-
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-dependencies = [
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- "tokio",
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-
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-dependencies = [
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e99e1983e5d376cd8eb4b66604d2e99e79f5bd988c3055891dcd8c9e2604cc0"
-dependencies = [
- "bytes",
- "futures-core",
- "futures-sink",
- "log",
- "pin-project-lite",
- "tokio",
-]
-
 [[package]]
 name = "toml"
 version = "0.5.8"
@@ -3773,12 +2431,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "tower-service"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
-
 [[package]]
 name = "tracing"
 version = "0.1.29"
@@ -3822,16 +2474,6 @@ dependencies = [
  "tracing-subscriber",
 ]
 
-[[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 = "tracing-subscriber"
 version = "0.2.25"
@@ -3843,12 +2485,6 @@ dependencies = [
  "tracing-core",
 ]
 
-[[package]]
-name = "try-lock"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
-
 [[package]]
 name = "typenum"
 version = "1.15.0"
@@ -3873,21 +2509,6 @@ dependencies = [
  "static_assertions",
 ]
 
-[[package]]
-name = "unicode-bidi"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
-
-[[package]]
-name = "unicode-normalization"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d54590932941a9e9266f0832deed84ebe1bf2e4c9e4a3554d393d18f5e854bf9"
-dependencies = [
- "tinyvec",
-]
-
 [[package]]
 name = "unicode-width"
 version = "0.1.9"
@@ -3900,40 +2521,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
-[[package]]
-name = "untrusted"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
-
-[[package]]
-name = "url"
-version = "2.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
-dependencies = [
- "form_urlencoded",
- "idna",
- "matches",
- "percent-encoding",
-]
-
-[[package]]
-name = "uuid"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
-dependencies = [
- "getrandom",
- "serde",
-]
-
-[[package]]
-name = "vcpkg"
-version = "0.2.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
-
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -3960,16 +2547,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[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 = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
@@ -4001,18 +2578,6 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
-[[package]]
-name = "wasm-bindgen-futures"
-version = "0.4.29"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb6ec270a31b1d3c7e266b999739109abce8b6c87e4b31fcfcd788b65267395"
-dependencies = [
- "cfg-if",
- "js-sys",
- "wasm-bindgen",
- "web-sys",
-]
-
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.79"
@@ -4042,21 +2607,6 @@ version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d958d035c4438e28c70e4321a2911302f10135ce78a9c7834c0cab4123d06a2"
 
-[[package]]
-name = "wasm-timer"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be0ecb0db480561e9a7642b5d3e4187c128914e58aa84330b9493e3eb68c5e7f"
-dependencies = [
- "futures",
- "js-sys",
- "parking_lot",
- "pin-utils",
- "wasm-bindgen",
- "wasm-bindgen-futures",
- "web-sys",
-]
-
 [[package]]
 name = "wasmer"
 version = "2.1.1"
@@ -4282,25 +2832,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "webpki"
-version = "0.22.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
-dependencies = [
- "ring",
- "untrusted",
-]
-
-[[package]]
-name = "webpki-roots"
-version = "0.22.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "552ceb903e957524388c4d3475725ff2c8b7960922063af6ce53c9a43da07449"
-dependencies = [
- "webpki",
-]
-
 [[package]]
 name = "which"
 version = "4.2.4"
@@ -4343,33 +2874,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "winreg"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "ws_stream_wasm"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47ca1ab42f5afed7fc332b22b6e932ca5414b209465412c8cdf0ad23bc0de645"
-dependencies = [
- "async_io_stream",
- "futures",
- "js-sys",
- "pharos",
- "rustc_version 0.4.0",
- "send_wrapper",
- "thiserror",
- "wasm-bindgen",
- "wasm-bindgen-futures",
- "web-sys",
-]
-
 [[package]]
 name = "wyz"
 version = "0.2.0"
@@ -4396,3 +2900,8 @@ dependencies = [
  "syn",
  "synstructure",
 ]
+
+[[patch.unused]]
+name = "wasmer"
+version = "2.2.0-rc1"
+source = "git+https://github.com/philsippl/wasmer?rev=e776616#e7766164eb5eef0f7b317f107c8195f9ac5d69b2"
diff --git a/Cargo.toml b/Cargo.toml
index 5e794fc..d989998 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,6 +38,10 @@ hex-literal = "0.3"
 proptest = { version = "1.0", optional = true }
 rayon = "1.5.1"
 
+[dev-dependencies]
+tiny-keccak = "2.0.2"
+serde_json = "1.0.79"
+
 [patch.crates-io]
 wasmer = { git = 'https://github.com/philsippl/wasmer', rev = "e776616"}
 
diff --git a/src/lib.rs b/src/lib.rs
index 14ed9bd..c5ca37f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,7 +9,7 @@ use ark_bn254::Parameters;
 use ark_ec::bn::Bn;
 use ark_groth16::Proof;
 use hex_literal::hex;
-use num_bigint::{BigInt};
+use num_bigint::BigInt;
 use poseidon_tree::PoseidonHash;
 use protocol::SnarkFileConfig;
 use std::{
@@ -243,7 +243,7 @@ pub unsafe extern "C" fn verify_proof(
     protocol::verify_proof(
         &config,
         &root,
-        &nullifier, 
+        &nullifier,
         signal.as_bytes(),
         external_nullifier.as_bytes(),
         proof,
diff --git a/src/main.rs b/src/main.rs
index 6ba53fd..4180d8b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -47,8 +47,15 @@ fn main() {
     };
 
     let proof = generate_proof(&config, &id, &merkle_proof, external_nullifier, signal).unwrap();
-    let success =
-        verify_proof(&config, &root, &nullifier_hash, signal, external_nullifier, &proof).unwrap();
+    let success = verify_proof(
+        &config,
+        &root,
+        &nullifier_hash,
+        signal,
+        external_nullifier,
+        &proof,
+    )
+    .unwrap();
 
     dbg!(success);
 }
diff --git a/src/merkle_tree.rs b/src/merkle_tree.rs
index 44f5962..c7ce248 100644
--- a/src/merkle_tree.rs
+++ b/src/merkle_tree.rs
@@ -221,16 +221,21 @@ where
 #[cfg(test)]
 pub mod test {
     use super::*;
-    use ethers::utils::keccak256;
     use hex_literal::hex;
+    use tiny_keccak::{Hasher as _, Keccak};
 
-    struct Keccak;
+    struct Keccak256;
 
-    impl Hasher for Keccak {
+    impl Hasher for Keccak256 {
         type Hash = [u8; 32];
 
         fn hash_node(left: &Self::Hash, right: &Self::Hash) -> Self::Hash {
-            keccak256([*left, *right].concat())
+            let mut output = [0; 32];
+            let mut hasher = Keccak::v256();
+            hasher.update(left);
+            hasher.update(right);
+            hasher.finalize(&mut output);
+            output
         }
     }
 
@@ -254,7 +259,7 @@ pub mod test {
 
     #[test]
     fn test_root() {
-        let mut tree = MerkleTree::<Keccak>::new(3, [0; 32]);
+        let mut tree = MerkleTree::<Keccak256>::new(3, [0; 32]);
         assert_eq!(
             tree.root(),
             hex!("b4c11951957c6f8f642c4af61cd6b24640fec6dc7fc607ee8206a99e92410d30")
@@ -295,7 +300,7 @@ pub mod test {
 
     #[test]
     fn test_proof() {
-        let mut tree = MerkleTree::<Keccak>::new(3, [0; 32]);
+        let mut tree = MerkleTree::<Keccak256>::new(3, [0; 32]);
         tree.set(
             0,
             hex!("0000000000000000000000000000000000000000000000000000000000000001"),
@@ -327,7 +332,7 @@ pub mod test {
 
     #[test]
     fn test_position() {
-        let mut tree = MerkleTree::<Keccak>::new(3, [0; 32]);
+        let mut tree = MerkleTree::<Keccak256>::new(3, [0; 32]);
         tree.set(
             0,
             hex!("0000000000000000000000000000000000000000000000000000000000000001"),