diff --git a/Cargo.lock b/Cargo.lock
index 67ea09e..63c4927 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -40,7 +40,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e01ed3140b2f8d422c68afa1ed2e85d996ea619c988ac834d255db32138655cb"
 dependencies = [
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -61,7 +61,16 @@ checksum = "7c7db3d5a9718568e4cf4a537cfd7070e6e6ff7481510d0237fb529ac850f6d3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
+]
+
+[[package]]
+name = "addr2line"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
+dependencies = [
+ "gimli 0.28.1",
 ]
 
 [[package]]
@@ -92,18 +101,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "ahash"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91429305e9f0a25f6205c5b8e0d2db09e0708a7a6df0f42212bb56c32c8ac97a"
-dependencies = [
- "cfg-if 1.0.0",
- "once_cell",
- "version_check",
- "zerocopy",
-]
-
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -234,18 +231,18 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
 name = "async-trait"
-version = "0.1.74"
+version = "0.1.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
+checksum = "c980ee35e870bd1a4d2c8294d4c04d0499e67bca1e4b5cefcc693c2fa00caea9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -265,6 +262,21 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "backtrace"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if 1.0.0",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "base64"
 version = "0.11.0"
@@ -382,16 +394,6 @@ dependencies = [
  "hashbrown 0.11.2",
 ]
 
-[[package]]
-name = "borsh"
-version = "0.10.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4114279215a005bc675e386011e594e1d9b800918cea18fcadadcce864a2046b"
-dependencies = [
- "borsh-derive 0.10.3",
- "hashbrown 0.13.2",
-]
-
 [[package]]
 name = "borsh"
 version = "1.3.1"
@@ -408,21 +410,8 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6441c552f230375d18e3cc377677914d2ca2b0d36e52129fe15450a2dce46775"
 dependencies = [
- "borsh-derive-internal 0.9.3",
- "borsh-schema-derive-internal 0.9.3",
- "proc-macro-crate 0.1.5",
- "proc-macro2",
- "syn 1.0.109",
-]
-
-[[package]]
-name = "borsh-derive"
-version = "0.10.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0754613691538d51f329cce9af41d7b7ca150bc973056f1156611489475f54f7"
-dependencies = [
- "borsh-derive-internal 0.10.3",
- "borsh-schema-derive-internal 0.10.3",
+ "borsh-derive-internal",
+ "borsh-schema-derive-internal",
  "proc-macro-crate 0.1.5",
  "proc-macro2",
  "syn 1.0.109",
@@ -438,7 +427,7 @@ dependencies = [
  "proc-macro-crate 3.1.0",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
  "syn_derive",
 ]
 
@@ -453,17 +442,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "borsh-derive-internal"
-version = "0.10.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afb438156919598d2c7bad7e1c0adf3d26ed3840dbc010db1a882a65583ca2fb"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "borsh-schema-derive-internal"
 version = "0.9.3"
@@ -475,17 +453,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "borsh-schema-derive-internal"
-version = "0.10.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "634205cc43f74a1b9046ef87c4540ebda95696ec0f315024860cad7c5b0f5ccd"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "brownstone"
 version = "1.1.0"
@@ -753,7 +720,7 @@ dependencies = [
  "heck 0.4.1",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -918,7 +885,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -942,7 +909,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -953,7 +920,7 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -983,7 +950,7 @@ checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -1157,7 +1124,7 @@ checksum = "04d0b288e3bb1d861c4403c1774a6f7a798781dfc519b3647df2a3dd4ae95f25"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -1193,7 +1160,7 @@ dependencies = [
 name = "exploit-stub"
 version = "0.1.0"
 dependencies = [
- "near-sdk",
+ "near-sdk 4.1.1",
 ]
 
 [[package]]
@@ -1372,7 +1339,7 @@ checksum = "53b153fd91e4b0147f4aced87be237c98248656bb01050b96bf3ee89220a8ddb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -1447,6 +1414,12 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
+
 [[package]]
 name = "goblin"
 version = "0.5.4"
@@ -1483,7 +1456,7 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 dependencies = [
- "ahash 0.7.7",
+ "ahash",
 ]
 
 [[package]]
@@ -1492,15 +1465,6 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
-[[package]]
-name = "hashbrown"
-version = "0.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
-dependencies = [
- "ahash 0.8.6",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.14.2"
@@ -1621,7 +1585,7 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2",
+ "socket2 0.4.10",
  "tokio",
  "tower-service",
  "tracing",
@@ -1755,13 +1719,12 @@ version = "1.0.0"
 dependencies = [
  "anyhow",
  "async-trait",
- "borsh 0.10.3",
- "integration-utils",
  "maplit",
  "near-contract-standards",
- "near-sdk",
+ "near-sdk 4.1.1",
  "near-units",
  "near-workspaces",
+ "nitka",
  "pkg-config",
  "sweat-model",
  "tokio",
@@ -1769,32 +1732,6 @@ dependencies = [
  "tracing-subscriber",
 ]
 
-[[package]]
-name = "integration-trait"
-version = "0.1.0"
-source = "git+https://github.com/sweatco/integration-utils.git?rev=e54dc392ef42837123dd2c0ad19b6d6b815192d7#e54dc392ef42837123dd2c0ad19b6d6b815192d7"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.38",
-]
-
-[[package]]
-name = "integration-utils"
-version = "0.1.0"
-source = "git+https://github.com/sweatco/integration-utils.git?rev=e54dc392ef42837123dd2c0ad19b6d6b815192d7#e54dc392ef42837123dd2c0ad19b6d6b815192d7"
-dependencies = [
- "anyhow",
- "async-trait",
- "dotenv",
- "fake",
- "futures",
- "near-sdk",
- "near-units",
- "near-workspaces",
- "tokio",
-]
-
 [[package]]
 name = "ipnet"
 version = "2.9.0"
@@ -2113,7 +2050,7 @@ name = "near-contract-standards"
 version = "4.1.1"
 source = "git+https://github.com/sweatco/near-sdk-rs?rev=8c48b26cc48d969c1e5f3162141fe9c824fccecd#8c48b26cc48d969c1e5f3162141fe9c824fccecd"
 dependencies = [
- "near-sdk",
+ "near-sdk 4.1.1",
  "schemars",
  "serde",
  "serde_json",
@@ -2246,7 +2183,7 @@ dependencies = [
  "prometheus",
  "serde",
  "serde_json",
- "strum",
+ "strum 0.24.1",
  "thiserror",
  "tokio",
  "tracing",
@@ -2270,7 +2207,7 @@ dependencies = [
  "serde",
  "serde_repr",
  "serde_yaml",
- "strum",
+ "strum 0.24.1",
  "thiserror",
 ]
 
@@ -2299,7 +2236,7 @@ dependencies = [
  "serde",
  "serde_json",
  "smart-default",
- "strum",
+ "strum 0.24.1",
  "thiserror",
 ]
 
@@ -2339,7 +2276,7 @@ dependencies = [
  "serde_yaml",
  "sha3",
  "smart-default",
- "strum",
+ "strum 0.24.1",
  "thiserror",
  "time",
  "tracing",
@@ -2359,7 +2296,7 @@ dependencies = [
  "num-rational",
  "serde",
  "sha2 0.10.8",
- "strum",
+ "strum 0.24.1",
 ]
 
 [[package]]
@@ -2380,7 +2317,7 @@ dependencies = [
  "serde_repr",
  "serde_with",
  "sha2 0.10.8",
- "strum",
+ "strum 0.24.1",
  "thiserror",
 ]
 
@@ -2403,7 +2340,7 @@ checksum = "80fca203c51edd9595ec14db1d13359fb9ede32314990bf296b6c5c4502f6ab7"
 dependencies = [
  "quote",
  "serde",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -2426,7 +2363,7 @@ dependencies = [
  "fs2",
  "near-rpc-error-core 0.20.1",
  "serde",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -2455,8 +2392,8 @@ dependencies = [
  "near-crypto 0.14.0",
  "near-primitives 0.14.0",
  "near-primitives-core 0.14.0",
- "near-sdk-macros",
- "near-sys",
+ "near-sdk-macros 4.1.1",
+ "near-sys 0.2.0",
  "near-vm-logic",
  "once_cell",
  "schemars",
@@ -2465,6 +2402,26 @@ dependencies = [
  "wee_alloc",
 ]
 
+[[package]]
+name = "near-sdk"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5c2e7c9524308b1b301cca05d875de13b3b20dc8b92e71f3890b380372e4c88"
+dependencies = [
+ "base64 0.21.5",
+ "borsh 1.3.1",
+ "bs58 0.5.0",
+ "near-account-id 1.0.0",
+ "near-gas",
+ "near-sdk-macros 5.0.0",
+ "near-sys 0.2.1",
+ "near-token",
+ "once_cell",
+ "serde",
+ "serde_json",
+ "wee_alloc",
+]
+
 [[package]]
 name = "near-sdk-macros"
 version = "4.1.1"
@@ -2476,6 +2433,23 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "near-sdk-macros"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1e9b23d9d7757ade258921c9cbc7923542e64d9d3b52a6cd91f746c77cb0a0f"
+dependencies = [
+ "Inflector",
+ "darling",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "strum 0.26.2",
+ "strum_macros 0.26.2",
+ "syn 2.0.52",
+]
+
 [[package]]
 name = "near-stdx"
 version = "0.20.1"
@@ -2487,12 +2461,19 @@ name = "near-sys"
 version = "0.2.0"
 source = "git+https://github.com/sweatco/near-sdk-rs?rev=8c48b26cc48d969c1e5f3162141fe9c824fccecd#8c48b26cc48d969c1e5f3162141fe9c824fccecd"
 
+[[package]]
+name = "near-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397688591acf8d3ebf2c2485ba32d4b24fc10aad5334e3ad8ec0b7179bfdf06b"
+
 [[package]]
 name = "near-token"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b68f3f8a2409f72b43efdbeff8e820b81e70824c49fee8572979d789d1683fb"
 dependencies = [
+ "borsh 1.3.1",
  "serde",
 ]
 
@@ -2586,7 +2567,7 @@ dependencies = [
  "serde_with",
  "sha2 0.10.8",
  "sha3",
- "strum",
+ "strum 0.24.1",
  "thiserror",
  "tracing",
  "zeropool-bn",
@@ -2633,6 +2614,33 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
 
+[[package]]
+name = "nitka"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85eaa205f149de38d17bc5d9a648cd56040de40b0ecda4fd50c454ef8007d4cc"
+dependencies = [
+ "anyhow",
+ "dotenv",
+ "fake",
+ "futures",
+ "near-sdk 5.0.0",
+ "near-units",
+ "near-workspaces",
+ "tokio",
+]
+
+[[package]]
+name = "nitka-proc"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58f943784b90b720e6596109e45e3400c2c2826dc13123aa8b831fe10fdf152c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.52",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -2729,6 +2737,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "object"
+version = "0.32.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.18.0"
@@ -2764,7 +2781,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -2982,7 +2999,7 @@ checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -3104,9 +3121,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.69"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
+checksum = "e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e"
 dependencies = [
  "unicode-ident",
 ]
@@ -3187,9 +3204,9 @@ checksum = "106dd99e98437432fed6519dedecfade6a06a73bb7b2a1e019fdd2bee5778d94"
 
 [[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",
 ]
@@ -3429,6 +3446,12 @@ dependencies = [
  "digest 0.10.7",
 ]
 
+[[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"
@@ -3553,7 +3576,7 @@ checksum = "1db149f81d46d2deba7cd3c50772474707729550221e69588478ebf9ada425ae"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -3634,7 +3657,7 @@ checksum = "67c5609f394e5c2bd7fc51efda478004ea80ef42fee983d5c67a65e34f32c0e3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -3667,7 +3690,7 @@ checksum = "3081f5ffbb02284dda55132aa26daecedd7372a42417bbbab6f14ab7d6bb9145"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -3708,7 +3731,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -3841,6 +3864,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b5fac59a5cb5dd637972e5fca70daf0523c9067fcdc4842f053dae04a18f8e9"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"
@@ -3891,9 +3924,15 @@ version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "063e6045c0e62079840579a7e47a355ae92f60eb74daaf156fb1e84ba164e63f"
 dependencies = [
- "strum_macros",
+ "strum_macros 0.24.3",
 ]
 
+[[package]]
+name = "strum"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d8cec3501a5194c432b2b7976db6b7d10ec95c253208b45f83f7136aa985e29"
+
 [[package]]
 name = "strum_macros"
 version = "0.24.3"
@@ -3907,6 +3946,19 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "strum_macros"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6cf59daf282c0a494ba14fd21610a0325f9f90ec9d1231dea26bcb1d696c946"
+dependencies = [
+ "heck 0.4.1",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn 2.0.52",
+]
+
 [[package]]
 name = "subtle"
 version = "2.5.0"
@@ -3918,7 +3970,7 @@ name = "sweat"
 version = "1.2.1"
 dependencies = [
  "near-contract-standards",
- "near-sdk",
+ "near-sdk 4.1.1",
  "static_assertions",
  "sweat-model",
 ]
@@ -3929,11 +3981,11 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-trait",
- "integration-trait",
- "integration-utils",
  "near-contract-standards",
- "near-sdk",
+ "near-sdk 4.1.1",
  "near-workspaces",
+ "nitka",
+ "nitka-proc",
 ]
 
 [[package]]
@@ -3959,7 +4011,7 @@ dependencies = [
  "elementtree",
  "fallible-iterator",
  "flate2",
- "gimli",
+ "gimli 0.26.2",
  "goblin",
  "lazy_static",
  "lazycell",
@@ -3991,9 +4043,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.38"
+version = "2.0.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
+checksum = "b699d15b36d1f02c3e7c69f8ffef53de37aefae075d8488d4ba1a7788d574a07"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4009,7 +4061,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -4095,7 +4147,7 @@ checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -4154,11 +4206,11 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.28.2"
+version = "1.36.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94d7b1cfd2aa4011f2de74c2c4c63665e27a71006b0a192dcd2710272e73dfa2"
+checksum = "61285f6515fa018fb2d1e46eb21223fff441ee8db5d0f1435e8ab4f5cdb80931"
 dependencies = [
- "autocfg",
+ "backtrace",
  "bytes",
  "libc",
  "mio",
@@ -4166,7 +4218,7 @@ dependencies = [
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2",
+ "socket2 0.5.5",
  "tokio-macros",
  "windows-sys",
 ]
@@ -4183,13 +4235,13 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
+checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -4395,7 +4447,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
@@ -4429,6 +4481,17 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-log"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
+dependencies = [
+ "log",
+ "once_cell",
+ "tracing-core",
+]
+
 [[package]]
 name = "tracing-opentelemetry"
 version = "0.17.4"
@@ -4439,15 +4502,15 @@ dependencies = [
  "opentelemetry",
  "tracing",
  "tracing-core",
- "tracing-log",
+ "tracing-log 0.1.4",
  "tracing-subscriber",
 ]
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
+checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
 dependencies = [
  "matchers",
  "nu-ansi-term",
@@ -4458,7 +4521,7 @@ dependencies = [
  "thread_local",
  "tracing",
  "tracing-core",
- "tracing-log",
+ "tracing-log 0.2.0",
 ]
 
 [[package]]
@@ -4633,7 +4696,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
  "wasm-bindgen-shared",
 ]
 
@@ -4667,7 +4730,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -4879,26 +4942,6 @@ version = "0.8.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fcb9cbac069e033553e8bb871be2fbdffcab578eb25bd0f7c508cedc6dcd75a"
 
-[[package]]
-name = "zerocopy"
-version = "0.7.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd66a62464e3ffd4e37bd09950c2b9dd6c4f8767380fabba0d523f9a775bc85a"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.7.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "255c4596d41e6916ced49cfafea18727b24d67878fa180ddfd69b9df34fd1726"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.38",
-]
-
 [[package]]
 name = "zeroize"
 version = "1.3.0"
@@ -4916,7 +4959,7 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.38",
+ "syn 2.0.52",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index f7c4544..8ad381c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ near-workspaces = "0.10.0"
 near-sdk = { git = "https://github.com/sweatco/near-sdk-rs", rev = "8c48b26cc48d969c1e5f3162141fe9c824fccecd" }
 near-contract-standards = { git = "https://github.com/sweatco/near-sdk-rs", rev = "8c48b26cc48d969c1e5f3162141fe9c824fccecd" }
 
-integration-trait = { git = "https://github.com/sweatco/integration-utils.git", rev = "e54dc392ef42837123dd2c0ad19b6d6b815192d7" }
-integration-utils = { git = "https://github.com/sweatco/integration-utils.git", rev = "e54dc392ef42837123dd2c0ad19b6d6b815192d7" }
+nitka = "0.1.1"
+nitka-proc = "0.1.1"
 
 sweat-model = { path = "model" }
diff --git a/integration-tests/Cargo.toml b/integration-tests/Cargo.toml
index eb0b457..292b1da 100644
--- a/integration-tests/Cargo.toml
+++ b/integration-tests/Cargo.toml
@@ -15,14 +15,13 @@ anyhow = { workspace = true }
 tokio = { workspace = true }
 
 near-units = { workspace = true }
-borsh = "0.10.3"
 maplit = "1.0"
-tracing = "0.1.37"
-tracing-subscriber = { version = "0.3.11", features = ["env-filter"] }
-pkg-config = "0.3.1"
+tracing = "0.1.40"
+tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
+pkg-config = "0.3.27"
 
 [dependencies]
-async-trait = "0.1.73"
+async-trait = "0.1.77"
 
-sweat-model = { workspace = true, features = ["integration-test"] }
-integration-utils = { workspace = true }
+sweat-model = { workspace = true, features = ["integration-api"] }
+nitka = { workspace = true }
diff --git a/integration-tests/src/callback_attack.rs b/integration-tests/src/callback_attack.rs
index 2ad734d..8017d21 100644
--- a/integration-tests/src/callback_attack.rs
+++ b/integration-tests/src/callback_attack.rs
@@ -1,7 +1,7 @@
 #![cfg(test)]
 
-use integration_utils::misc::ToNear;
 use near_sdk::{json_types::U128, serde_json::json};
+use nitka::misc::ToNear;
 use sweat_model::FungibleTokenCoreIntegration;
 
 use crate::{
diff --git a/integration-tests/src/defer.rs b/integration-tests/src/defer.rs
index 5a8df3f..75e15a0 100644
--- a/integration-tests/src/defer.rs
+++ b/integration-tests/src/defer.rs
@@ -1,6 +1,6 @@
 #![cfg(test)]
 
-use integration_utils::misc::ToNear;
+use nitka::misc::ToNear;
 use sweat_model::{FungibleTokenCoreIntegration, IntegrationTestMethodsIntegration, SweatDeferIntegration};
 
 use crate::prepare::{prepare_contract, IntegrationContext};
diff --git a/integration-tests/src/lib.rs b/integration-tests/src/lib.rs
index e6d078b..120b520 100644
--- a/integration-tests/src/lib.rs
+++ b/integration-tests/src/lib.rs
@@ -1,6 +1,6 @@
 #![cfg(test)]
 
-use integration_utils::misc::ToNear;
+use nitka::misc::ToNear;
 use sweat_model::{FungibleTokenCoreIntegration, SweatApiIntegration, SweatDeferIntegration};
 
 use crate::prepare::{prepare_contract, IntegrationContext};
diff --git a/integration-tests/src/measure/record_batch.rs b/integration-tests/src/measure/record_batch.rs
index 0f081f7..8afaf21 100644
--- a/integration-tests/src/measure/record_batch.rs
+++ b/integration-tests/src/measure/record_batch.rs
@@ -3,8 +3,8 @@
 use std::future::IntoFuture;
 
 use anyhow::Result;
-use integration_utils::measure::outcome_storage::OutcomeStorage;
 use near_workspaces::types::Gas;
+use nitka::measure::outcome_storage::OutcomeStorage;
 use sweat_model::SweatApiIntegration;
 
 use crate::{prepare::IntegrationContext, prepare_contract};
diff --git a/integration-tests/src/mint.rs b/integration-tests/src/mint.rs
index 512a6d2..1d86e79 100644
--- a/integration-tests/src/mint.rs
+++ b/integration-tests/src/mint.rs
@@ -1,5 +1,5 @@
-use integration_utils::misc::ToNear;
 use near_sdk::json_types::{U128, U64};
+use nitka::misc::ToNear;
 use sweat_model::{FungibleTokenCoreIntegration, Payout, SweatApiIntegration};
 
 use crate::prepare::{prepare_contract, IntegrationContext};
diff --git a/integration-tests/src/prepare.rs b/integration-tests/src/prepare.rs
index 430dccc..565287c 100644
--- a/integration-tests/src/prepare.rs
+++ b/integration-tests/src/prepare.rs
@@ -1,15 +1,15 @@
 use anyhow::Result;
 use async_trait::async_trait;
-use integration_utils::misc::ToNear;
 use near_sdk::serde_json::json;
 use near_workspaces::{Account, Contract};
+use nitka::misc::ToNear;
 use sweat_model::{StorageManagementIntegration, SweatApiIntegration, SweatContract};
 
 const CLAIM_CONTRACT: &str = "sweat_claim";
 const HOLDING_STUB_CONTRACT: &str = "exploit_stub";
 const FT_CONTRACT: &str = "sweat";
 
-pub type Context = integration_utils::context::Context<near_workspaces::network::Sandbox>;
+pub type Context = nitka::context::Context<near_workspaces::network::Sandbox>;
 
 #[async_trait]
 pub trait IntegrationContext {
diff --git a/integration-tests/src/transfer.rs b/integration-tests/src/transfer.rs
index 87e9e78..4402760 100644
--- a/integration-tests/src/transfer.rs
+++ b/integration-tests/src/transfer.rs
@@ -1,5 +1,5 @@
-use integration_utils::misc::ToNear;
 use near_sdk::json_types::U128;
+use nitka::misc::ToNear;
 use sweat_model::{FungibleTokenCoreIntegration, StorageManagementIntegration, SweatApiIntegration};
 
 use crate::prepare::{prepare_contract, IntegrationContext};
diff --git a/model/Cargo.toml b/model/Cargo.toml
index 8435611..b177bd5 100644
--- a/model/Cargo.toml
+++ b/model/Cargo.toml
@@ -5,15 +5,17 @@ edition = "2021"
 
 [features]
 default = []
-integration-test = ["dep:integration-utils", "dep:near-workspaces"]
+integration-test = ["dep:nitka", "dep:near-workspaces"]
+integration-api = ["dep:nitka", "dep:near-workspaces"]
+release-api = []
 
 [dependencies]
 anyhow = { workspace = true }
 async-trait = { workspace = true }
-integration-trait = { workspace = true }
+nitka-proc = { workspace = true }
 
 near-sdk = { workspace = true }
 near-contract-standards = { workspace = true }
 
-integration-utils = { workspace = true, optional = true }
+nitka = { workspace = true, optional = true }
 near-workspaces = { workspace = true, optional = true }
diff --git a/model/src/lib.rs b/model/src/lib.rs
index 24e2617..76520ce 100644
--- a/model/src/lib.rs
+++ b/model/src/lib.rs
@@ -1,13 +1,17 @@
 #![allow(clippy::new_ret_no_self, clippy::wrong_self_convention)]
 
-use integration_trait::make_integration_version;
 use near_contract_standards::storage_management::{StorageBalance, StorageBalanceBounds};
+#[cfg(feature = "release-api")]
+use near_sdk::AccountId;
 use near_sdk::{
     json_types::{U128, U64},
-    AccountId, PromiseOrValue,
+    PromiseOrValue,
 };
+#[cfg(feature = "integration-api")]
+use nitka::AccountId;
+use nitka_proc::make_integration_version;
 
-#[cfg(feature = "integration-test")]
+#[cfg(feature = "integration-api")]
 pub struct SweatContract<'a> {
     pub contract: &'a near_workspaces::Contract,
 }
diff --git a/res/sweat.wasm b/res/sweat.wasm
index 81f4804..81d84a1 100755
Binary files a/res/sweat.wasm and b/res/sweat.wasm differ
diff --git a/scripts/lint.sh b/scripts/lint.sh
index d6e3e78..1691bdb 100755
--- a/scripts/lint.sh
+++ b/scripts/lint.sh
@@ -3,7 +3,7 @@ set -eox pipefail
 
 rustup component add clippy
 
-cargo clippy --all \
+cargo clippy -p sweat \
   -- \
   \
   -W clippy::all \
diff --git a/sweat/Cargo.toml b/sweat/Cargo.toml
index 4adafd3..4a49781 100644
--- a/sweat/Cargo.toml
+++ b/sweat/Cargo.toml
@@ -9,8 +9,10 @@ publish = false
 crate-type = ["cdylib"]
 
 [features]
-default = []
-integration-test = []
+default = ["release"]
+release = ["sweat-model/release-api"]
+integration-test = ["sweat-model/release-api"]
+integration-api = ["sweat-model/integration-api"]
 
 [dependencies]
 sweat-model = { workspace = true }