diff --git a/multisig-factory/Cargo.lock b/multisig-factory/Cargo.lock
index ce83938f..2ef3127c 100644
--- a/multisig-factory/Cargo.lock
+++ b/multisig-factory/Cargo.lock
@@ -1,147 +1,135 @@
 # This file is automatically @generated by Cargo.
 # 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"
 
-[[package]]
-name = "autocfg"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
-
 [[package]]
 name = "base64"
-version = "0.11.0"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
-name = "block-buffer"
-version = "0.7.3"
+name = "borsh"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
+checksum = "a6362ed55def622cddc70a4746a68554d7b687713770de539e59a739b249f8ed"
 dependencies = [
- "block-padding",
- "byte-tools",
- "byteorder",
- "generic-array",
+ "borsh-derive",
+ "cfg_aliases",
 ]
 
 [[package]]
-name = "block-padding"
-version = "0.1.5"
+name = "borsh-derive"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
+checksum = "c3ef8005764f53cd4dca619f5bf64cafd4664dada50ece25e4d81de54c80cc0b"
 dependencies = [
- "byte-tools",
+ "once_cell",
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "syn_derive",
 ]
 
 [[package]]
-name = "borsh"
-version = "0.7.1"
+name = "bs58"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30f3fd65922359a7c6e791bc9b2bba1b977ea0c0b96a528ac48007f535fb4184"
+checksum = "bf88ba1141d185c399bee5288d850d63b8369520c1eafc32a0430b5b6c287bf4"
 dependencies = [
- "borsh-derive",
+ "tinyvec",
 ]
 
 [[package]]
-name = "borsh-derive"
-version = "0.7.1"
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
+[[package]]
+name = "cfg_aliases"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2d74755d937d261d5e9bdef87e0addfbc1ace0214f7776f21532d6e97325356"
+checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
+
+[[package]]
+name = "darling"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
 dependencies = [
- "borsh-derive-internal",
- "borsh-schema-derive-internal",
- "syn",
+ "darling_core",
+ "darling_macro",
 ]
 
 [[package]]
-name = "borsh-derive-internal"
-version = "0.7.1"
+name = "darling_core"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c9f966cb7a42c8ed83546ef481bc1d1dec888fe5f84a4737d5c2094a483e41e"
+checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
 dependencies = [
+ "fnv",
+ "ident_case",
  "proc-macro2",
  "quote",
  "syn",
 ]
 
 [[package]]
-name = "borsh-schema-derive-internal"
-version = "0.7.1"
+name = "darling_macro"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5df2543b56ebc2b4493e70d024ebde2cbb48d97bf7b1a16318eff30bd02669b8"
+checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
 dependencies = [
- "proc-macro2",
+ "darling_core",
  "quote",
  "syn",
 ]
 
 [[package]]
-name = "bs58"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "476e9cd489f9e121e02ffa6014a8ef220ecb15c05ed23fc34cca13925dc283fb"
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
-
-[[package]]
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-version = "1.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
-
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
+name = "equivalent"
+version = "1.0.1"
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-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
-name = "digest"
-version = "0.8.1"
+name = "fnv"
+version = "1.0.7"
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-checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
-dependencies = [
- "generic-array",
-]
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
-name = "fake-simd"
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-checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
+checksum = "1e087f84d4f86bf4b218b927129862374b72199ae7d8657835f1e89000eea4fb"
 
 [[package]]
-name = "generic-array"
-version = "0.12.3"
+name = "heck"
+version = "0.5.0"
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-checksum = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
-dependencies = [
- "typenum",
-]
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
-name = "hashbrown"
-version = "0.9.1"
+name = "ident_case"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
 [[package]]
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-version = "1.6.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
+checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
 dependencies = [
- "autocfg",
+ "equivalent",
  "hashbrown",
 ]
 
@@ -151,18 +139,18 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
-[[package]]
-name = "keccak"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67c21572b4949434e4fc1e1978b99c5f77064153c59d998bf13ecd96fb5ecba7"
-
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 name = "libc"
 version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
 
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
 [[package]]
 name = "memory_units"
 version = "0.4.0"
@@ -177,184 +165,140 @@ dependencies = [
 ]
 
 [[package]]
-name = "near-rpc-error-core"
-version = "0.1.0"
+name = "near-account-id"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffa8dbf8437a28ac40fcb85859ab0d0b8385013935b000c7a51ae79631dd74d9"
+checksum = "35cbb989542587b47205e608324ddd391f0cee1c22b4b64ae49f458334b95907"
 dependencies = [
- "proc-macro2",
- "quote",
+ "borsh",
  "serde",
- "serde_json",
- "syn",
 ]
 
 [[package]]
-name = "near-rpc-error-macro"
-version = "0.1.0"
+name = "near-gas"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c6111d713e90c7c551dee937f4a06cb9ea2672243455a4454cc7566387ba2d9"
+checksum = "180edcc7dc2fac41f93570d0c7b759c1b6d492f6ad093d749d644a40b4310a97"
 dependencies = [
- "near-rpc-error-core",
- "proc-macro2",
- "quote",
- "serde",
- "serde_json",
- "syn",
-]
-
-[[package]]
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-checksum = "e8732466a66a346685e00eed22355d10e54741dd66253ca7b89b7ffdcb17202e"
-dependencies = [
- "num-rational",
+ "borsh",
  "serde",
 ]
 
-[[package]]
-name = "near-runtime-utils"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bd4d93a20f7ac0472731fdf00726d1292c25ae96ea784edfa05d61ac77b7448"
-
 [[package]]
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-version = "2.0.0"
+version = "5.5.0"
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-checksum = "963610ae7ce6729de19c8fe0da230f878bf3a04de022aa2045ff7c5fa2b13095"
+checksum = "4e296b02c85539c16659e171242d6c6bbea87eec7c9ef860d8dfd3fb3168a18a"
 dependencies = [
  "base64",
  "borsh",
  "bs58",
- "near-runtime-fees",
+ "near-account-id",
+ "near-gas",
  "near-sdk-macros",
- "near-vm-logic",
+ "near-sys",
+ "near-token",
+ "once_cell",
  "serde",
  "serde_json",
  "wee_alloc",
 ]
 
 [[package]]
-name = "near-sdk-core"
-version = "2.0.0"
+name = "near-sdk-macros"
+version = "5.5.0"
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-checksum = "1552953310b5d7a6caaba67b0d65799c773c90fe5a06443fc55b0ace77e96eb5"
+checksum = "0adc79466aa556f56a995c0db34a933b32597ab92bbb0e526597118899c8bcaf"
 dependencies = [
  "Inflector",
+ "darling",
  "proc-macro2",
  "quote",
+ "serde",
+ "serde_json",
+ "strum",
+ "strum_macros",
  "syn",
 ]
 
 [[package]]
-name = "near-sdk-macros"
-version = "2.0.0"
+name = "near-sys"
+version = "0.2.2"
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-dependencies = [
- "near-sdk-core",
- "proc-macro2",
- "quote",
- "syn",
-]
+checksum = "dbf4ca5c805cb78700e10e43484902d8da05f25788db277999d209568aaf4c8e"
 
 [[package]]
-name = "near-vm-errors"
-version = "2.2.0"
+name = "near-token"
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+checksum = "cd3e60aa26a74dc514b1b6408fdd06cefe2eb0ff029020956c1c6517594048fd"
 dependencies = [
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- "near-rpc-error-macro",
- "serde",
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-
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- "bs58",
- "byteorder",
- "near-runtime-fees",
- "near-runtime-utils",
- "near-vm-errors",
  "serde",
- "sha2",
- "sha3",
 ]
 
 [[package]]
-name = "num-bigint"
-version = "0.2.6"
+name = "once_cell"
+version = "1.20.2"
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-dependencies = [
- "autocfg",
- "num-integer",
- "num-traits",
-]
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
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+name = "proc-macro-crate"
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-checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+checksum = "8ecf48c7ca261d60b74ab1a7b20da18bede46776b2e55535cb958eb595c5fa7b"
 dependencies = [
- "autocfg",
- "num-traits",
+ "toml_edit",
 ]
 
 [[package]]
-name = "num-rational"
-version = "0.2.4"
+name = "proc-macro-error"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
 dependencies = [
- "autocfg",
- "num-bigint",
- "num-integer",
- "num-traits",
- "serde",
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "version_check",
 ]
 
 [[package]]
-name = "num-traits"
-version = "0.2.14"
+name = "proc-macro-error-attr"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
 dependencies = [
- "autocfg",
+ "proc-macro2",
+ "quote",
+ "version_check",
 ]
 
-[[package]]
-name = "opaque-debug"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
-
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.7"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
 dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e819f2bc632f285be6d7cd36e25940d45b2391dd6d9b939e79de557f7014248"
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -363,18 +307,18 @@ checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "serde"
-version = "1.0.118"
+version = "1.0.213"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
+checksum = "3ea7893ff5e2466df8d720bb615088341b295f849602c6956047f8f80f0e9bc1"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.118"
+version = "1.0.213"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
+checksum = "7e85ad2009c50b58e87caa8cd6dac16bdf511bbfb7af6c33df902396aa480fa5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -387,59 +331,96 @@ version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1500e84d27fe482ed1dc791a56eddc2f230046a040fa908c08bda1d9fb615779"
 dependencies = [
- "indexmap",
  "itoa",
  "ryu",
  "serde",
 ]
 
 [[package]]
-name = "sha2"
-version = "0.8.2"
+name = "strum"
+version = "0.26.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
+checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
+
+[[package]]
+name = "strum_macros"
+version = "0.26.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
 dependencies = [
- "block-buffer",
- "digest",
- "fake-simd",
- "opaque-debug",
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
 ]
 
 [[package]]
-name = "sha3"
-version = "0.8.2"
+name = "syn"
+version = "2.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd26bc0e7a2e3a7c959bc494caf58b72ee0c71d67704e9520f736ca7e4853ecf"
+checksum = "83540f837a8afc019423a8edb95b52a8effe46957ee402287f4292fae35be021"
 dependencies = [
- "block-buffer",
- "byte-tools",
- "digest",
- "keccak",
- "opaque-debug",
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
 ]
 
 [[package]]
-name = "syn"
-version = "1.0.54"
+name = "syn_derive"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a2af957a63d6bd42255c359c93d9bfdb97076bd3b820897ce55ffbfbf107f44"
+checksum = "1329189c02ff984e9736652b1631330da25eaa6bc639089ed4915d25446cbe7b"
 dependencies = [
+ "proc-macro-error",
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "syn",
 ]
 
 [[package]]
-name = "typenum"
-version = "1.12.0"
+name = "tinyvec"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
+checksum = "445e881f4f6d382d5f27c034e25eb92edd7c784ceab92a0937db7f2e9471b938"
+dependencies = [
+ "tinyvec_macros",
+]
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.1"
+name = "tinyvec_macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+
+[[package]]
+name = "toml_edit"
+version = "0.22.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
+
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "wee_alloc"
@@ -474,3 +455,12 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "winnow"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
+dependencies = [
+ "memchr",
+]
diff --git a/multisig-factory/Cargo.toml b/multisig-factory/Cargo.toml
index 5a35afe0..7f51dd24 100644
--- a/multisig-factory/Cargo.toml
+++ b/multisig-factory/Cargo.toml
@@ -18,4 +18,4 @@ panic = "abort"
 overflow-checks = true
 
 [dependencies]
-near-sdk = "2.0.0"
+near-sdk = "5.3.0"
diff --git a/multisig-factory/res/multisig_factory.wasm b/multisig-factory/res/multisig_factory.wasm
index 8c95ec9e..0853bffc 100755
Binary files a/multisig-factory/res/multisig_factory.wasm and b/multisig-factory/res/multisig_factory.wasm differ
diff --git a/multisig-factory/src/lib.rs b/multisig-factory/src/lib.rs
index 9fe444fb..9de11680 100644
--- a/multisig-factory/src/lib.rs
+++ b/multisig-factory/src/lib.rs
@@ -1,17 +1,12 @@
-use near_sdk::borsh::{self, BorshDeserialize, BorshSerialize};
+use std::convert::TryFrom;
+
 use near_sdk::json_types::Base58PublicKey;
 use near_sdk::serde::{Deserialize, Serialize};
 use near_sdk::serde_json::json;
-use near_sdk::{env, near_bindgen, AccountId, Promise};
-
-#[global_allocator]
-static ALLOC: near_sdk::wee_alloc::WeeAlloc<'_> = near_sdk::wee_alloc::WeeAlloc::INIT;
+use near_sdk::{env, near, AccountId, Gas, GasWeight, NearToken, Promise};
 
 const CODE: &[u8] = include_bytes!("../../multisig2/res/multisig2.wasm");
 
-/// This gas spent on the call & account creation, the rest goes to the `new` call.
-const CREATE_CALL_GAS: u64 = 50_000_000_000_000;
-
 #[derive(Serialize, Deserialize)]
 #[serde(crate = "near_sdk::serde", untagged)]
 pub enum MultisigMember {
@@ -19,11 +14,11 @@ pub enum MultisigMember {
     Account { account_id: AccountId },
 }
 
-#[near_bindgen]
-#[derive(BorshSerialize, BorshDeserialize, Default)]
+#[derive(Default)]
+#[near(contract_state)]
 pub struct MultisigFactory {}
 
-#[near_bindgen]
+#[near]
 impl MultisigFactory {
     #[payable]
     pub fn create(
@@ -32,19 +27,21 @@ impl MultisigFactory {
         members: Vec<MultisigMember>,
         num_confirmations: u64,
     ) -> Promise {
-        let account_id = format!("{}.{}", name, env::current_account_id());
+        let account_id =
+            AccountId::try_from(format!("{}.{}", name, env::current_account_id())).unwrap();
         Promise::new(account_id)
             .create_account()
             .deploy_contract(CODE.to_vec())
             .transfer(env::attached_deposit())
-            .function_call(
-                b"new".to_vec(),
+            .function_call_weight(
+                "new".to_string(),
                 json!({ "members": members, "num_confirmations": num_confirmations })
                     .to_string()
                     .as_bytes()
                     .to_vec(),
-                0,
-                env::prepaid_gas() - CREATE_CALL_GAS,
+                NearToken::from_yoctonear(0),
+                Gas::from_tgas(15),
+                GasWeight(1),
             )
     }
 }