From 4e441fbd885eb91b1e2a2ddc1ee286a6bdea8f97 Mon Sep 17 00:00:00 2001
From: Will Qiu <zsluedem06@gmail.com>
Date: Mon, 19 Dec 2022 13:45:46 +0800
Subject: [PATCH] integration test

---
 Cargo.lock                | 269 +++++++++++++++++++-------------------
 Cargo.toml                |   7 +-
 Makefile                  |  11 +-
 bin/compile_contracts.rs  |   6 +
 src/contracts/mod.rs      |  17 +++
 tests/common/gen.rs       |  10 ++
 tests/common/mod.rs       |  90 +++++++++++++
 tests/integration_test.rs | 153 ++++++++++++++++++++++
 8 files changed, 427 insertions(+), 136 deletions(-)
 create mode 100644 bin/compile_contracts.rs
 create mode 100644 tests/common/gen.rs
 create mode 100644 tests/common/mod.rs
 create mode 100644 tests/integration_test.rs

diff --git a/Cargo.lock b/Cargo.lock
index 42c682bb..01f75fe6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,6 +24,7 @@ dependencies = [
  "ethereum-interfaces",
  "ethers",
  "expanded-pathbuf",
+ "eyre",
  "hex",
  "jsonrpsee",
  "parking_lot 0.12.1",
@@ -62,9 +63,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.66"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "216261ddc8289130e551ddcd5ce8a064710c0d064a4d2895c67151c92b5443f6"
+checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
 
 [[package]]
 name = "arrayref"
@@ -110,9 +111,9 @@ dependencies = [
 
 [[package]]
 name = "async-trait"
-version = "0.1.58"
+version = "0.1.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e805d94e6b5001b651426cf4cd446b1ab5f319d27bab5c644f61de0a804360c"
+checksum = "677d1d8ab452a3936018a687b20e6f7cf5363d713b732b8884001317b0e48aa3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -182,9 +183,9 @@ dependencies = [
 
 [[package]]
 name = "axum"
-version = "0.5.17"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acee9fd5073ab6b045a275b3e709c163dd36c90685219cb21804a147b58dba43"
+checksum = "08b108ad2665fa3f6e6a517c3d80ec3e77d224c47d605167aefaa5d7ef97fa48"
 dependencies = [
  "async-trait",
  "axum-core",
@@ -200,9 +201,9 @@ dependencies = [
  "mime",
  "percent-encoding",
  "pin-project-lite",
+ "rustversion",
  "serde",
  "sync_wrapper",
- "tokio",
  "tower",
  "tower-http",
  "tower-layer",
@@ -211,9 +212,9 @@ dependencies = [
 
 [[package]]
 name = "axum-core"
-version = "0.2.9"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37e5939e02c56fecd5c017c37df4238c0a839fa76b7f97acdd7efb804fd181cc"
+checksum = "79b8558f5a0581152dc94dcd289132a1d377494bdeafcd41869b3258e3e2ad92"
 dependencies = [
  "async-trait",
  "bytes",
@@ -221,6 +222,7 @@ dependencies = [
  "http",
  "http-body",
  "mime",
+ "rustversion",
  "tower-layer",
  "tower-service",
 ]
@@ -334,9 +336,9 @@ dependencies = [
 
 [[package]]
 name = "blake2"
-version = "0.10.5"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b12e5fd123190ce1c2e559308a94c9bacad77907d4c6005d9e58fe1a0689e55e"
+checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
 dependencies = [
  "digest 0.10.6",
 ]
@@ -462,9 +464,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.77"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9f73505338f7d905b19d18738976aae232eb46b8efc15554ffc56deb5d9ebe4"
+checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
 
 [[package]]
 name = "cfg-if"
@@ -494,9 +496,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.0.27"
+version = "4.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0acbd8d28a0a60d7108d7ae850af6ba34cf2d1257fc646980e5f97ce14275966"
+checksum = "4d63b9e9c07271b9957ad22c173bae2a4d9a81127680962039296abcd2f8251d"
 dependencies = [
  "bitflags",
  "clap_derive",
@@ -698,9 +700,9 @@ dependencies = [
 
 [[package]]
 name = "der"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13dd2ae565c0a381dde7fade45fce95984c568bdcb4700a4fdbe3175e0380b2f"
+checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
 dependencies = [
  "const-oid",
  "zeroize",
@@ -961,7 +963,7 @@ dependencies = [
 [[package]]
 name = "ethereum-interfaces"
 version = "0.1.0"
-source = "git+https://github.com/ledgerwatch/interfaces#87d4311d40beec2e93cfff4102e775d559ba1ed6"
+source = "git+https://github.com/ledgerwatch/interfaces#09084da85bb57e4a8b422b705562fc8d79ea8a35"
 dependencies = [
  "arrayref",
  "ethereum-types",
@@ -975,9 +977,9 @@ dependencies = [
 
 [[package]]
 name = "ethereum-types"
-version = "0.14.0"
+version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81224dc661606574f5a0f28c9947d0ee1d93ff11c5f1c4e7272f52e8c0b5483c"
+checksum = "02d215cbf040552efcbe99a38372fe80ab9d00268e20012b79fcd0f073edd8ee"
 dependencies = [
  "ethbloom",
  "fixed-hash",
@@ -991,9 +993,9 @@ dependencies = [
 
 [[package]]
 name = "ethers"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d338f456cf5158d8cb630d39202cca4416ad2248193eadf9562bfb563d123176"
+checksum = "11f26f9d8d80da18ca72aca51804c65eb2153093af3bec74fd5ce32aa0c1f665"
 dependencies = [
  "ethers-addressbook",
  "ethers-contract",
@@ -1007,9 +1009,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-addressbook"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3fb042cc02501fd7c1338d229ff2f10562efa430136ac8c467190c5cfe46eba"
+checksum = "fe4be54dd2260945d784e06ccdeb5ad573e8f1541838cee13a1ab885485eaa0b"
 dependencies = [
  "ethers-core",
  "once_cell",
@@ -1019,9 +1021,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-contract"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40ce616689f073bdfbe317314abbe018f1baedf1209d32f1b01220a68ff120cf"
+checksum = "e9c3c3e119a89f0a9a1e539e7faecea815f74ddcf7c90d0b00d1f524db2fdc9c"
 dependencies = [
  "ethers-contract-abigen",
  "ethers-contract-derive",
@@ -1038,9 +1040,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-contract-abigen"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c4c4cef2795a98b861ef4729556b3b4d72e6ef3f1d8c426cd78d9cf7d087e54"
+checksum = "3d4e5ad46aede34901f71afdb7bb555710ed9613d88d644245c657dc371aa228"
 dependencies = [
  "Inflector",
  "cfg-if",
@@ -1063,9 +1065,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-contract-derive"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcc9816ce5d707cff3a75d6cd2c96ae60e157eb83f6754438064e30873f2196e"
+checksum = "f192e8e4cf2b038318aae01e94e7644e0659a76219e94bcd3203df744341d61f"
 dependencies = [
  "ethers-contract-abigen",
  "ethers-core",
@@ -1078,9 +1080,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-core"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6e97a2dcf550b681966f9392f4e1389ffe54ebb1667e64583104ee4e01c058c"
+checksum = "ade3e9c97727343984e1ceada4fdab11142d2ee3472d2c67027d56b1251d4f15"
 dependencies = [
  "arrayvec",
  "bytes",
@@ -1109,9 +1111,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-etherscan"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb8547a8b696795f027350be348c9a2faff94ad4e08103e7916360dd15da5919"
+checksum = "a9713f525348e5dde025d09b0a4217429f8074e8ff22c886263cc191e87d8216"
 dependencies = [
  "ethers-core",
  "getrandom",
@@ -1126,9 +1128,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-middleware"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21af40f8e3808e165cb624704786656670d37dce73fec5eb8d3346d981f68e70"
+checksum = "e71df7391b0a9a51208ffb5c7f2d068900e99d6b3128d3a4849d138f194778b7"
 dependencies = [
  "async-trait",
  "auto_impl 0.5.0",
@@ -1152,9 +1154,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-providers"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7405eaf127aec599f839799111315b8c2e7bfe767e2536412dbb16e284f2d8c"
+checksum = "a1a9e0597aa6b2fdc810ff58bc95e4eeaa2c219b3e615ed025106ecb027407d8"
 dependencies = [
  "async-trait",
  "auto_impl 1.0.1",
@@ -1187,9 +1189,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-signers"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "341b582c30f5949b63bd76b2a08b6b997d8fe08fbe8026bd6ae042f5f9190eb4"
+checksum = "3f41ced186867f64773db2e55ffdd92959e094072a1d09a5e5e831d443204f98"
 dependencies = [
  "async-trait",
  "coins-bip32",
@@ -1205,9 +1207,9 @@ dependencies = [
 
 [[package]]
 name = "ethers-solc"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2671a3c0a1801e0d8c066940d26e263534515cb6e97bdfa5dbf396b8d54a3a4c"
+checksum = "cbe9c0a6d296c57191e5f8a613a3b5e816812c28f4a28d6178a17c21db903d77"
 dependencies = [
  "cfg-if",
  "dunce",
@@ -1375,9 +1377,9 @@ checksum = "00f5fb52a06bdcadeb54e8d3671f8888a39697dcb0b81b23b55174030427f4eb"
 
 [[package]]
 name = "futures-locks"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3eb42d4fb72227be5778429f9ef5240a38a358925a49f05b5cf702ce7c7e558a"
+checksum = "45ec6fe3675af967e67c5536c0b9d44e34e6c52f86bedc4ea49c5317b8e94d06"
 dependencies = [
  "futures-channel",
  "futures-task",
@@ -1649,9 +1651,9 @@ dependencies = [
 
 [[package]]
 name = "hyper-rustls"
-version = "0.23.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59df7c4e19c950e6e0e868dcc0a300b09a9b88e9ec55bd879ca819087a77355d"
+checksum = "1788965e61b367cd03a62950836d5cd41560c3577d90e40e0819373194d1661c"
 dependencies = [
  "http",
  "hyper",
@@ -1759,9 +1761,9 @@ dependencies = [
 
 [[package]]
 name = "io-lifetimes"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e394faa0efb47f9f227f1cd89978f854542b318a6f64fa695489c9c993056656"
+checksum = "46112a93252b123d31a119a8d1a1ac19deac4fac6e0e8b0df58f0d4e5870e63c"
 dependencies = [
  "libc",
  "windows-sys",
@@ -1769,15 +1771,15 @@ dependencies = [
 
 [[package]]
 name = "ipnet"
-version = "2.5.1"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f88c5561171189e69df9d98bcf18fd5f9558300f7ea7b801eb8a0fd748bd8745"
+checksum = "11b0d96e660696543b251e58030cf9787df56da39dab19ad60eae7353040917e"
 
 [[package]]
 name = "is-terminal"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aae5bc6e2eb41c9def29a3e0f1306382807764b9b53112030eff57435667352d"
+checksum = "927609f78c2913a6f6ac3c27a4fe87f43e2a35367c0c4b0f8265e8f49a104330"
 dependencies = [
  "hermit-abi 0.2.6",
  "io-lifetimes",
@@ -1796,9 +1798,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
+checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440"
 
 [[package]]
 name = "js-sys"
@@ -1811,9 +1813,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee"
-version = "0.16.1"
+version = "0.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5af9646e616e37c61093ef85e25bd883ae0c22e2fa1e6eedfe590048247116e3"
+checksum = "7d291e3a5818a2384645fd9756362e6d89cf0541b0b916fa7702ea4a9833608e"
 dependencies = [
  "jsonrpsee-core",
  "jsonrpsee-proc-macros",
@@ -1824,9 +1826,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-core"
-version = "0.16.1"
+version = "0.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "673d68136e2f0f67323bab95b3a7177df26ac21ddbf395fc32d60f30fe5a1364"
+checksum = "a4e70b4439a751a5de7dd5ed55eacff78ebf4ffe0fc009cb1ebb11417f5b536b"
 dependencies = [
  "anyhow",
  "arrayvec",
@@ -1850,9 +1852,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-proc-macros"
-version = "0.16.1"
+version = "0.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ed8b96f9d2d6a984fd75784ac8bfed994ee40980626b85791782dcd13ffb7ac"
+checksum = "baa6da1e4199c10d7b1d0a6e5e8bd8e55f351163b6f4b3cbb044672a69bd4c1c"
 dependencies = [
  "heck",
  "proc-macro-crate",
@@ -1863,9 +1865,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-server"
-version = "0.16.1"
+version = "0.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a78f34520019321bd466d00620606db2f40827362d0185b3b95040328eb502f6"
+checksum = "1fb69dad85df79527c019659a992498d03f8495390496da2f07e6c24c2b356fc"
 dependencies = [
  "futures-channel",
  "futures-util",
@@ -1885,9 +1887,9 @@ dependencies = [
 
 [[package]]
 name = "jsonrpsee-types"
-version = "0.16.1"
+version = "0.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7985a27ee315c7c8c5c5033ac133e9472aec881edfd947780f5a9970efb7cbbf"
+checksum = "5bd522fe1ce3702fd94812965d7bb7a3364b1c9aba743944c5a00529aae80f8c"
 dependencies = [
  "anyhow",
  "beef",
@@ -1959,15 +1961,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.137"
+version = "0.2.138"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
+checksum = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f9f08d8963a6c613f4b1a78f4f4a4dbfadf8e6545b2d72861731e4858b8b47f"
+checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
 
 [[package]]
 name = "lock_api"
@@ -1990,9 +1992,9 @@ dependencies = [
 
 [[package]]
 name = "matchit"
-version = "0.5.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73cbba799671b762df5a175adf59ce145165747bb891505c43d09aefbbf38beb"
+checksum = "b87248edafb776e59e6ee64a79086f65890d3510f2c656c000bf2a7e8a0aea40"
 
 [[package]]
 name = "md-5"
@@ -2187,7 +2189,7 @@ checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
 dependencies = [
  "instant",
  "lock_api",
- "parking_lot_core 0.8.5",
+ "parking_lot_core 0.8.6",
 ]
 
 [[package]]
@@ -2197,14 +2199,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
 dependencies = [
  "lock_api",
- "parking_lot_core 0.9.4",
+ "parking_lot_core 0.9.5",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
+checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
 dependencies = [
  "cfg-if",
  "instant",
@@ -2216,9 +2218,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dc9e0dc2adc1c69d09143aff38d3d30c5c3f0df0dad82e6d25547af174ebec0"
+checksum = "7ff9f3fef3968a3ec5945535ed654cb38ff72d7495a25619e2247fb15a2ed9ba"
 dependencies = [
  "cfg-if",
  "libc",
@@ -2388,9 +2390,9 @@ checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
 [[package]]
 name = "prettyplease"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c142c0e46b57171fe0c528bee8c5b7569e80f0c17e377cd0e30ea57dbc11bb51"
+checksum = "2c8992a85d8e93a28bdf76137db888d3874e3b230dee5ed8bebac4c9f7617773"
 dependencies = [
  "proc-macro2",
  "syn",
@@ -2453,18 +2455,18 @@ checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.47"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
+checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "prost"
-version = "0.11.2"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0841812012b2d4a6145fae9a6af1534873c32aa67fff26bd09f8fa42c83f95a"
+checksum = "c0b18e655c21ff5ac2084a5ad0611e827b3f92badf79f4910b5a5c58f4d87ff0"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -2472,9 +2474,9 @@ dependencies = [
 
 [[package]]
 name = "prost-build"
-version = "0.11.2"
+version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d8b442418ea0822409d9e7d047cbf1e7e9e1760b172bf9982cf29d517c93511"
+checksum = "276470f7f281b0ed53d2ae42dd52b4a8d08853a3c70e7fe95882acbb98a6ae94"
 dependencies = [
  "bytes",
  "heck",
@@ -2526,9 +2528,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.21"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
 dependencies = [
  "proc-macro2",
 ]
@@ -2577,11 +2579,10 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e060280438193c554f654141c9ea9417886713b7acd75974c85b18a69a88e0b"
+checksum = "6db3a213adf02b3bcfd2d3846bb41cb22857d131789e01df434fb7e7bc0759b7"
 dependencies = [
- "crossbeam-deque",
  "either",
  "rayon-core",
 ]
@@ -2773,9 +2774,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.36.3"
+version = "0.36.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b1fbb4dfc4eb1d390c02df47760bb19a84bb80b301ecc947ab5406394d8223e"
+checksum = "a3807b5d10909833d3e9acd1eb5fb988f79376ff10fce42937de71a449c4c588"
 dependencies = [
  "bitflags",
  "errno",
@@ -2808,15 +2809,15 @@ dependencies = [
 
 [[package]]
 name = "rustversion"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97477e48b4cf8603ad5f7aaf897467cf42ab4218a38ef76fb14c2d6773a6d6a8"
+checksum = "5583e89e108996506031660fe09baa5011b9dd0341b89029313006d1fb508d70"
 
 [[package]]
 name = "ryu"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
 
 [[package]]
 name = "salsa20"
@@ -2838,9 +2839,9 @@ dependencies = [
 
 [[package]]
 name = "scale-info"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88d8a765117b237ef233705cc2cc4c6a27fccd46eea6ef0c8c6dae5f3ef407f8"
+checksum = "001cf62ece89779fd16105b5f515ad0e5cedcd5440d3dd806bb067978e7c3608"
 dependencies = [
  "cfg-if",
  "derive_more",
@@ -2850,9 +2851,9 @@ dependencies = [
 
 [[package]]
 name = "scale-info-derive"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdcd47b380d8c4541044e341dcd9475f55ba37ddc50c908d945fc036a8642496"
+checksum = "303959cf613a6f6efd19ed4b4ad5bf79966a13352716299ad532cfb115f4205c"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -2904,9 +2905,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.14"
+version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e25dfac463d778e353db5be2449d1cce89bd6fd23c9f1ea21310ce6e5a1b29c4"
+checksum = "58bc9567378fc7690d6b2addae4e60ac2eeea07becb2c64b9f218b53865cba2a"
 dependencies = [
  "serde",
 ]
@@ -2919,9 +2920,9 @@ checksum = "930c0acf610d3fdb5e2ab6213019aaa04e227ebe9547b0649ba599b16d788bd7"
 
 [[package]]
 name = "serde"
-version = "1.0.147"
+version = "1.0.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965"
+checksum = "97fed41fc1a24994d044e6db6935e69511a1153b52c15eb42493b26fa87feba0"
 dependencies = [
  "serde_derive",
 ]
@@ -2938,9 +2939,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.147"
+version = "1.0.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f1d362ca8fc9c3e3a7484440752472d68a6caa98f1ab81d99b5dfe517cec852"
+checksum = "255abe9a125a985c05190d687b320c12f9b1f0b99445e608c21ba0782c719ad8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2949,9 +2950,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.89"
+version = "1.0.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "020ff22c755c2ed3f8cf162dbb41a7268d934702f3ed3631656ea597e08fc3db"
+checksum = "877c235533714907a8c2464236f5c4b2a17262ef1bd71f38f35ea592c8da6883"
 dependencies = [
  "itoa",
  "ryu",
@@ -3184,9 +3185,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.103"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a864042229133ada95abf3b54fdc62ef5ccabe9515b64717bcb9a1919e59445d"
+checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3241,18 +3242,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
+checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "982d17546b47146b28f7c22e3d08465f6b8903d0ea13c1660d9d84a6e7adcdbb"
+checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3294,9 +3295,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.22.0"
+version = "1.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d76ce4a75fb488c605c54bf610f221cea8b0dafb53333c1a67e8ee199dcd2ae3"
+checksum = "eab6d665857cc6ca78d6e80303a02cea7a7851e85dfbd77cbdc09bd129f1ef46"
 dependencies = [
  "autocfg",
  "bytes",
@@ -3309,7 +3310,7 @@ dependencies = [
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
@@ -3324,9 +3325,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "1.8.0"
+version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
+checksum = "d266c00fde287f55d3f1c3e96c500c362a2b8c695076ec180f27918820bc6df8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3372,18 +3373,18 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.9"
+version = "0.5.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+checksum = "1333c76748e868a4d9d1017b5ab53171dfd095f70c712fdb4653a406547f598f"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "tonic"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55b9af819e54b8f33d453655bef9b9acc171568fb49523078d0cc4e7484200ec"
+checksum = "8f219fad3b929bef19b1f86fbc0358d35daed8f2cac972037ac0dc10bbb8d5fb"
 dependencies = [
  "async-stream",
  "async-trait",
@@ -3413,9 +3414,9 @@ dependencies = [
 
 [[package]]
 name = "tonic-build"
-version = "0.8.2"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c6fd7c2581e36d63388a9e04c350c21beb7a8b059580b2e93993c526899ddc"
+checksum = "5bf5e9b9c0f7e0a7c027dcfaba7b2c60816c7049171f679d99ee2ff65d0de8c4"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -3446,9 +3447,9 @@ dependencies = [
 
 [[package]]
 name = "tower-http"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c530c8675c1dbf98facee631536fa116b5fb6382d7dd6dc1b118d970eafe3ba"
+checksum = "f873044bf02dd1e8239e9c1293ea39dad76dc594ec16185d0a1bf31d8dc8d858"
 dependencies = [
  "bitflags",
  "bytes",
@@ -3552,15 +3553,15 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "typenum"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
 [[package]]
 name = "uint"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a45526d29728d135c2900b0d30573fe3ee79fceb12ef534c7bb30e810a91b601"
+checksum = "76f64bba2c53b04fcab63c01a7d7427eadc821e3bc48c34dc9ba29c501164b52"
 dependencies = [
  "byteorder",
  "crunchy",
@@ -3576,9 +3577,9 @@ checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
+checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
 
 [[package]]
 name = "unicode-normalization"
@@ -3770,9 +3771,9 @@ dependencies = [
 
 [[package]]
 name = "webpki-roots"
-version = "0.22.5"
+version = "0.22.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "368bfe657969fb01238bb756d351dcade285e0f6fcbd36dcb23359a5169975be"
+checksum = "b6c71e40d7d2c34a5106301fb632274ca37242cd0c9d3e64dbece371a40a2d87"
 dependencies = [
  "webpki",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index b6adc91c..b054f1ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ clap = { version = "4", features = ["derive"] }
 dirs = "4.0"
 educe = { version = "0.4", features = ["Debug", "Default"] }
 ethereum-interfaces = { git = "https://github.com/ledgerwatch/interfaces" }
-ethers = "1.0.0"
+ethers = {version = "1.0.0", features = ["ethers-solc"]}
 expanded-pathbuf = "0.1"
 hex = { version = "0.4.3", default-features = false, features = ["std"] }
 jsonrpsee = { version = "0.16", features = ["server", "macros"] }
@@ -30,6 +30,7 @@ tonic = { version = "0.8", default-features = false, features = [
 tracing = "0.1"
 tracing-subscriber = "0.3"
 regex = "1"
+eyre = "0.6.8"
 
 [build-dependencies]
 anyhow = "1"
@@ -53,3 +54,7 @@ name = "bundler-rpc"
 [[bin]]
 path = "bin/create-wallet.rs"
 name = "create-wallet"
+
+[[bin]]
+path = "bin/compile_contracts.rs"
+name = "compile-contracts"
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 32621f4a..9fb3d85c 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,16 @@ cargo-fmt:
 	cargo fmt --all
 
 cargo-test:
+	make fetch-thirdparty
+	make compile-thirdparty
 	cargo test 
 
 fetch-thirdparty:
-	git submodule update --init
\ No newline at end of file
+	git submodule update --init && cd thirdparty/account-abstraction && yarn install && cd ../..
+
+compile-thirdparty:
+	cargo run --bin compile-contracts
+
+clean:
+	cd thirdparty/account-abstraction && yarn clean && cd ../..
+	cargo clean
diff --git a/bin/compile_contracts.rs b/bin/compile_contracts.rs
new file mode 100644
index 00000000..d20c9641
--- /dev/null
+++ b/bin/compile_contracts.rs
@@ -0,0 +1,6 @@
+use aa_bundler::contracts::compile_account_abstraction;
+
+fn main() -> anyhow::Result<()> {
+    compile_account_abstraction()?;
+    Ok(())
+}
diff --git a/src/contracts/mod.rs b/src/contracts/mod.rs
index 76713363..6fdad983 100644
--- a/src/contracts/mod.rs
+++ b/src/contracts/mod.rs
@@ -1,4 +1,21 @@
 mod entrypoint;
 mod gen;
 
+use std::path::PathBuf;
+
 pub use entrypoint::*;
+use ethers::solc::{Project, ProjectCompileOutput, ProjectPathsConfig};
+
+// It would skip compiling if cached arctifacts are found
+pub fn compile_account_abstraction() -> anyhow::Result<ProjectCompileOutput> {
+    let root = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("thirdparty/account-abstraction");
+    let build_path_config = ProjectPathsConfig::hardhat(root)?;
+    let project = Project::builder().paths(build_path_config).build()?;
+    let compiled = project.compile()?;
+    assert!(
+        !compiled.has_compiler_errors(),
+        "Compile with errore:\n{:?}",
+        compiled.output().errors
+    );
+    Ok(compiled)
+}
diff --git a/tests/common/gen.rs b/tests/common/gen.rs
new file mode 100644
index 00000000..d8cb7d08
--- /dev/null
+++ b/tests/common/gen.rs
@@ -0,0 +1,10 @@
+use ethers::prelude::abigen;
+
+abigen!(SimpleAccountFactory, "$CARGO_MANIFEST_DIR/thirdparty/account-abstraction/artifacts/SimpleAccountFactory.sol/SimpleAccountFactory.json");
+
+abigen!(SimpleAccount, "$CARGO_MANIFEST_DIR/thirdparty/account-abstraction/artifacts/SimpleAccount.sol/SimpleAccount.json");
+
+abigen!(
+    EntryPointContract,
+    "$CARGO_MANIFEST_DIR/thirdparty/account-abstraction/artifacts/EntryPoint.sol/EntryPoint.json"
+);
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
new file mode 100644
index 00000000..33b7b665
--- /dev/null
+++ b/tests/common/mod.rs
@@ -0,0 +1,90 @@
+use std::{path::PathBuf, sync::Arc};
+
+use aa_bundler::contracts::compile_account_abstraction;
+use ethers::{
+    abi::Abi,
+    prelude::ContractFactory,
+    providers::Middleware,
+    solc::{Artifact, Project, ProjectCompileOutput, ProjectPathsConfig},
+    types::{Address, Bytes},
+};
+pub mod gen;
+
+pub const ANVIL_TEST_KEY_PHRASE: &'static str =
+    "test test test test test test test test test test test junk";
+
+pub struct CompiledContract {
+    abi: Abi,
+    bytecode: Bytes,
+    runtime_bytecode: Bytes,
+}
+
+pub struct AACompiledContracts {
+    entry_point: CompiledContract,
+    simple_account_factory: CompiledContract,
+}
+impl AACompiledContracts {
+    pub async fn deploy<M>(self, client: Arc<M>) -> anyhow::Result<(Address, Address)>
+    where
+        M: Middleware + 'static,
+    {
+        let AACompiledContracts {
+            entry_point,
+            simple_account_factory,
+        } = self;
+        let entry_point_contract =
+            ContractFactory::new(entry_point.abi, entry_point.bytecode, client.clone())
+                .deploy(())?
+                .send()
+                .await?;
+
+        let simple_account_factory = ContractFactory::new(
+            simple_account_factory.abi,
+            simple_account_factory.bytecode,
+            client,
+        )
+        .deploy(entry_point_contract.address())?
+        .send()
+        .await?;
+        Ok((
+            entry_point_contract.address(),
+            simple_account_factory.address(),
+        ))
+    }
+}
+
+pub fn compile_project() -> anyhow::Result<AACompiledContracts> {
+    let compiled = compile_account_abstraction()?;
+
+    let entry_point = compiled
+        .find_first("EntryPoint")
+        .expect("could not find contract");
+    let (abi, bytecode, runtime_bytecode) = entry_point
+        .clone()
+        .into_compact_contract()
+        .into_parts_or_default();
+
+    let entry_point_contract = CompiledContract {
+        abi,
+        bytecode,
+        runtime_bytecode,
+    };
+
+    let simple_account_factory = compiled
+        .find_first("SimpleAccountFactory")
+        .expect("could not find contract");
+    let (abi, bytecode, runtime_bytecode) = simple_account_factory
+        .clone()
+        .into_compact_contract()
+        .into_parts_or_default();
+    let simple_account_factory = CompiledContract {
+        abi,
+        bytecode,
+        runtime_bytecode,
+    };
+
+    Ok(AACompiledContracts {
+        entry_point: entry_point_contract,
+        simple_account_factory: simple_account_factory,
+    })
+}
diff --git a/tests/integration_test.rs b/tests/integration_test.rs
new file mode 100644
index 00000000..b27a621c
--- /dev/null
+++ b/tests/integration_test.rs
@@ -0,0 +1,153 @@
+pub mod common;
+
+use aa_bundler::contracts::EntryPoint;
+use aa_bundler::types::user_operation::UserOperation;
+use anyhow::Ok;
+use ethers::prelude::k256::ecdsa::SigningKey;
+use ethers::providers::Middleware;
+use ethers::signers::Wallet;
+use ethers::types::TransactionRequest;
+use ethers::utils::WEI_IN_ETHER;
+use ethers::{
+    abi::Address,
+    core::utils::Anvil,
+    prelude::SignerMiddleware,
+    providers::{Http, Provider},
+    signers::{coins_bip39::English, LocalWallet, MnemonicBuilder, Signer},
+    types::{Bytes, U256},
+};
+use std::{convert::TryFrom, sync::Arc, time::Duration};
+
+use crate::common::gen::SimpleAccountFactory;
+use crate::common::{compile_project, ANVIL_TEST_KEY_PHRASE};
+
+struct TestContest {
+    pub entry_point_address: Address,
+    pub simple_account_factory_address: Address,
+    pub owner_wallet: LocalWallet,
+    pub simple_account_address: Address,
+}
+
+pub async fn sign(
+    user_op: &mut UserOperation,
+    entry_point_address: Address,
+    chain_id: U256,
+    key: Wallet<SigningKey>,
+) -> anyhow::Result<()> {
+    let user_op_hash = user_op.hash(entry_point_address, chain_id);
+    let signature = key.sign_message(user_op_hash.as_bytes()).await?;
+    user_op.signature = Bytes::from(signature.to_vec());
+    Ok(())
+}
+
+async fn deploy_initial_contracts(
+    endpoint: String,
+    owner_wallet: LocalWallet,
+) -> anyhow::Result<TestContest> {
+    let provider =
+        Arc::new(Provider::<Http>::try_from(endpoint)?.interval(Duration::from_millis(10u64)));
+    let chain_id = provider.clone().get_chainid().await?;
+    let client = SignerMiddleware::new(
+        provider,
+        owner_wallet.clone().with_chain_id(chain_id.as_u64()),
+    );
+    let client = Arc::new(client);
+    let cimpiled_contracts = compile_project()?;
+
+    // 1. deploy the entrypoint contract and the simple account factory contract
+    let (entry_point_address, simple_account_factory_address) =
+        cimpiled_contracts.deploy(client.clone()).await?;
+
+    let simple_account_factory =
+        SimpleAccountFactory::new(simple_account_factory_address, client.clone());
+
+    // 2. create a simple account based on the simple account factory contract
+    let tx = simple_account_factory.create_account(owner_wallet.address(), U256::from(1));
+    let simple_account_address = tx.clone().await?;
+    let res = tx.send().await?;
+
+    // 3. send some initial money to the simple account address and make sure it could prepay
+    let tx = TransactionRequest::new()
+        .to(simple_account_address)
+        .value(U256::from(10) * WEI_IN_ETHER)
+        .from(owner_wallet.address());
+    client.clone().send_transaction(tx, None).await?.await?;
+    let receipt = client
+        .clone()
+        .get_transaction_receipt(res.tx_hash())
+        .await?;
+    println!(
+        "result: {:?}\n {:?}\n{:?}",
+        receipt, simple_account_factory_address, entry_point_address
+    );
+    Ok(TestContest {
+        entry_point_address,
+        simple_account_factory_address,
+        owner_wallet,
+        simple_account_address,
+    })
+}
+
+#[tokio::test]
+async fn interact_local() -> anyhow::Result<()> {
+    let wallet2: LocalWallet = MnemonicBuilder::<English>::default()
+        .phrase(ANVIL_TEST_KEY_PHRASE)
+        .build()
+        .unwrap()
+        .into();
+    deploy_initial_contracts("http://127.0.0.1:8545".to_string(), wallet2).await?;
+    Ok(())
+}
+
+#[tokio::test]
+async fn interact_with_local() -> anyhow::Result<()> {
+    use aa_bundler::types::user_operation::UserOperation;
+    use std::convert::From;
+    let anvil = Anvil::new().spawn();
+
+    let context =
+        deploy_initial_contracts(anvil.endpoint(), anvil.keys()[0].clone().into()).await?;
+    let provider = Provider::try_from(anvil.endpoint())?.interval(Duration::from_millis(10u64));
+    let wallet: LocalWallet = anvil.keys()[0].clone().into();
+    let wallet2: LocalWallet = MnemonicBuilder::<English>::default()
+        .phrase(ANVIL_TEST_KEY_PHRASE)
+        .build()
+        .unwrap()
+        .into();
+    println!("signer : {:?}", wallet.address());
+    println!("pk: {:?}", wallet2.address());
+    let chain_id = provider.get_chainid().await?;
+
+    let client = SignerMiddleware::new(provider, wallet.clone().with_chain_id(chain_id.as_u64()));
+    let client = Arc::new(client);
+    let chain_id = client.clone().get_chainid().await?;
+    println!(
+        "Currently working on chain id: {}, {:?}\n Entrypoint: {:?}",
+        chain_id,
+        wallet.address(),
+        context.entry_point_address
+    );
+    let entry_point_contract = EntryPoint::new(client.clone(), context.entry_point_address.clone());
+    let mut user_op = UserOperation {
+        sender: context.simple_account_address,
+        nonce: U256::zero(),
+        init_code: Bytes::default(),
+        call_data: Bytes::default(),
+        call_gas_limit: U256::from(200000),
+        verification_gas_limit: U256::from(100000),
+        pre_verification_gas: U256::from(21000),
+        max_fee_per_gas: U256::from(3000000000u64),
+        max_priority_fee_per_gas: U256::from(1000000000),
+        paymaster_and_data: Bytes::default(),
+        signature: Bytes::default(),
+    };
+
+    user_op.pack_for_signature();
+    sign(&mut user_op, context.entry_point_address, chain_id, wallet).await?;
+    let hash = entry_point_contract
+        .simulate_validation(user_op)
+        .await
+        .expect("error");
+    println!("{:?}", hash);
+    Ok(())
+}