From 64e5713458ae4398c433467680542523cf271a80 Mon Sep 17 00:00:00 2001
From: Dmytro Kozhevin <dmytro@stellar.org>
Date: Wed, 9 Oct 2024 18:06:47 -0400
Subject: [PATCH] Update token example for protocol 22 support.

Most of the updates involve using constructors and the new test API. I've also addressed a couple small issues in some examples.
---
 token/Cargo.lock      | 884 +++++++++++++++++++++++-------------------
 token/Cargo.toml      |   6 +-
 token/src/admin.rs    |   5 -
 token/src/contract.rs |  10 +-
 token/src/test.rs     |  39 +-
 5 files changed, 520 insertions(+), 424 deletions(-)

diff --git a/token/Cargo.lock b/token/Cargo.lock
index 37d44283..759bfcf9 100644
--- a/token/Cargo.lock
+++ b/token/Cargo.lock
@@ -3,19 +3,22 @@
 version = 3
 
 [[package]]
-name = "addr2line"
-version = "0.21.0"
+name = "ahash"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
 dependencies = [
- "gimli",
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
 ]
 
 [[package]]
-name = "adler"
-version = "1.0.2"
+name = "android-tzdata"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
 
 [[package]]
 name = "android_system_properties"
@@ -36,37 +39,134 @@ dependencies = [
 ]
 
 [[package]]
-name = "autocfg"
-version = "1.1.0"
+name = "ark-bls12-381"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+checksum = "c775f0d12169cba7aae4caeb547bb6a50781c7449a8aa53793827c9ec4abf488"
+dependencies = [
+ "ark-ec",
+ "ark-ff",
+ "ark-serialize",
+ "ark-std",
+]
 
 [[package]]
-name = "backtrace"
-version = "0.3.69"
+name = "ark-ec"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
+checksum = "defd9a439d56ac24968cca0571f598a61bc8c55f71d50a89cda591cb750670ba"
 dependencies = [
- "addr2line",
- "cc",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
+ "ark-ff",
+ "ark-poly",
+ "ark-serialize",
+ "ark-std",
+ "derivative",
+ "hashbrown 0.13.2",
+ "itertools",
+ "num-traits",
+ "zeroize",
 ]
 
 [[package]]
-name = "base16ct"
-version = "0.2.0"
+name = "ark-ff"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+checksum = "ec847af850f44ad29048935519032c33da8aa03340876d351dfab5660d2966ba"
+dependencies = [
+ "ark-ff-asm",
+ "ark-ff-macros",
+ "ark-serialize",
+ "ark-std",
+ "derivative",
+ "digest",
+ "itertools",
+ "num-bigint",
+ "num-traits",
+ "paste",
+ "rustc_version",
+ "zeroize",
+]
+
+[[package]]
+name = "ark-ff-asm"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ed4aa4fe255d0bc6d79373f7e31d2ea147bcf486cba1be5ba7ea85abdb92348"
+dependencies = [
+ "quote",
+ "syn 1.0.109",
+]
 
 [[package]]
-name = "base32"
+name = "ark-ff-macros"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7abe79b0e4288889c4574159ab790824d0033b9fdcb2a112a3182fac2e514565"
+dependencies = [
+ "num-bigint",
+ "num-traits",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "ark-poly"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d320bfc44ee185d899ccbadfa8bc31aab923ce1558716e1997a1e74057fe86bf"
+dependencies = [
+ "ark-ff",
+ "ark-serialize",
+ "ark-std",
+ "derivative",
+ "hashbrown 0.13.2",
+]
+
+[[package]]
+name = "ark-serialize"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adb7b85a02b83d2f22f89bd5cac66c9c89474240cb6207cb1efc16d098e822a5"
+dependencies = [
+ "ark-serialize-derive",
+ "ark-std",
+ "digest",
+ "num-bigint",
+]
+
+[[package]]
+name = "ark-serialize-derive"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae3281bc6d0fd7e549af32b52511e1302185bd688fd3359fa36423346ff682ea"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "ark-std"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23ce669cd6c8588f79e15cf450314f9638f967fc5770ff1c7c1deb0925ea7cfa"
+checksum = "94893f1e0c6eeab764ade8dc4c0db24caf4fe7cbbaafc0eba0a9030f447b5185"
+dependencies = [
+ "num-traits",
+ "rand",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
+
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
 [[package]]
 name = "base64"
@@ -76,9 +176,9 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.0"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "base64ct"
@@ -97,9 +197,15 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.12.1"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
+[[package]]
+name = "byteorder"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b1ce199063694f33ffb7dd4e0ee620741495c32833cde5aa08f02a0bf96f0c8"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes-lit"
@@ -110,14 +216,17 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "cc"
-version = "1.0.79"
+version = "1.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+checksum = "2e80e3b6a3ab07840e1cae9b0666a63970dc28e8ed5ffbcdacbfc760c281bfc1"
+dependencies = [
+ "shlex",
+]
 
 [[package]]
 name = "cfg-if"
@@ -127,44 +236,34 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.24"
+version = "0.4.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e3c5919066adf22df73762e50cffcde3a758f2a848b113b586d1f86728b673b"
+checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
 dependencies = [
+ "android-tzdata",
  "iana-time-zone",
- "num-integer",
  "num-traits",
  "serde",
- "winapi",
-]
-
-[[package]]
-name = "codespan-reporting"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
-dependencies = [
- "termcolor",
- "unicode-width",
+ "windows-targets",
 ]
 
 [[package]]
 name = "const-oid"
-version = "0.9.5"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28c122c3980598d243d63d9a704629a2d748d101f278052ff068be5a4423ab6f"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
 [[package]]
 name = "core-foundation-sys"
-version = "0.8.4"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.7"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e4c1eaa2012c47becbbad2ab175484c2a84d1185b566fb2cc5b8707343dfe58"
+checksum = "608697df725056feaccfa42cffdaeeec3fccc4ffc38358ecd19b243e716a78e0"
 dependencies = [
  "libc",
 ]
@@ -182,9 +281,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.5.2"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf4c2f4e1afd912bc40bfd6fed5d9dc1f288e0ba01bfcc835cc5bc3eb13efe15"
+checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
  "generic-array",
  "rand_core",
@@ -204,26 +303,25 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.2.2"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1586fa608b1dab41f667475b4a41faec5ba680aee428bfa5de4ea520fdc6e901"
+checksum = "edb49164822f3ee45b17acd4a208cfc1251410cf0cad9a833234c9890774dd9f"
 dependencies = [
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.1.1"
+version = "4.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
+checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
 dependencies = [
  "cfg-if",
  "cpufeatures",
  "curve25519-dalek-derive",
  "digest",
  "fiat-crypto",
- "platforms",
  "rustc_version",
  "subtle",
  "zeroize",
@@ -231,102 +329,85 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek-derive"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
-name = "cxx"
-version = "1.0.94"
+name = "darling"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f61f1b6389c3fe1c316bf8a4dccc90a38208354b330925bce1f74a6c4756eb93"
+checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
 dependencies = [
- "cc",
- "cxxbridge-flags",
- "cxxbridge-macro",
- "link-cplusplus",
+ "darling_core",
+ "darling_macro",
 ]
 
 [[package]]
-name = "cxx-build"
-version = "1.0.94"
+name = "darling_core"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12cee708e8962df2aeb38f594aae5d827c022b6460ac71a7a3e2c3c2aae5a07b"
+checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
 dependencies = [
- "cc",
- "codespan-reporting",
- "once_cell",
+ "fnv",
+ "ident_case",
  "proc-macro2",
  "quote",
- "scratch",
- "syn 2.0.39",
+ "strsim",
+ "syn 2.0.79",
 ]
 
 [[package]]
-name = "cxxbridge-flags"
-version = "1.0.94"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7944172ae7e4068c533afbb984114a56c46e9ccddda550499caa222902c7f7bb"
-
-[[package]]
-name = "cxxbridge-macro"
-version = "1.0.94"
+name = "darling_macro"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
+checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
 dependencies = [
- "proc-macro2",
+ "darling_core",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
-name = "darling"
-version = "0.20.1"
+name = "data-encoding"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0558d22a7b463ed0241e993f76f09f30b126687447751a8638587b864e4b3944"
-dependencies = [
- "darling_core",
- "darling_macro",
-]
+checksum = "e8566979429cf69b49a5c740c60791108e86440e8be149bbea4fe54d2c32d6e2"
 
 [[package]]
-name = "darling_core"
-version = "0.20.1"
+name = "der"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab8bfa2e259f8ee1ce5e97824a3c55ec4404a0d772ca7fa96bf19f0752a046eb"
+checksum = "f55bf8e7b65898637379c1b74eb1551107c8294ed26d855ceb9fd1a09cfc9bc0"
 dependencies = [
- "fnv",
- "ident_case",
- "proc-macro2",
- "quote",
- "strsim",
- "syn 2.0.39",
+ "const-oid",
+ "zeroize",
 ]
 
 [[package]]
-name = "darling_macro"
-version = "0.20.1"
+name = "deranged"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
 dependencies = [
- "darling_core",
- "quote",
- "syn 2.0.39",
+ "powerfmt",
+ "serde",
 ]
 
 [[package]]
-name = "der"
-version = "0.7.6"
+name = "derivative"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56acb310e15652100da43d130af8d97b509e95af61aab1c5a7939ef24337ee17"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
 dependencies = [
- "const-oid",
- "zeroize",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -337,7 +418,7 @@ checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
@@ -354,15 +435,15 @@ dependencies = [
 
 [[package]]
 name = "downcast-rs"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
+checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
 
 [[package]]
 name = "ecdsa"
-version = "0.16.7"
+version = "0.16.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0997c976637b606099b9985693efa3581e84e41f5c11ba5255f88711058ad428"
+checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
 dependencies = [
  "der",
  "digest",
@@ -373,9 +454,9 @@ dependencies = [
 
 [[package]]
 name = "ed25519"
-version = "2.2.2"
+version = "2.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60f6d271ca33075c88028be6f04d502853d63a5ece419d269c15315d4fc1cf1d"
+checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
 dependencies = [
  "pkcs8",
  "signature",
@@ -398,15 +479,15 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.8.1"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
 
 [[package]]
 name = "elliptic-curve"
-version = "0.13.5"
+version = "0.13.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "968405c8fdc9b3bf4df0a6638858cc0b52462836ab6b1c87377785dd09cf1c0b"
+checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
 dependencies = [
  "base16ct",
  "crypto-bigint",
@@ -450,9 +531,9 @@ dependencies = [
 
 [[package]]
 name = "fiat-crypto"
-version = "0.2.5"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
+checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
 
 [[package]]
 name = "fnv"
@@ -473,9 +554,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.11"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -484,12 +565,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.28.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
-
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -509,9 +584,18 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "hashbrown"
-version = "0.14.3"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e087f84d4f86bf4b218b927129862374b72199ae7d8657835f1e89000eea4fb"
 
 [[package]]
 name = "hex"
@@ -539,26 +623,25 @@ dependencies = [
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.56"
+version = "0.1.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0722cd7114b7de04316e7ea5456a0bbb20e4adb46fd27a3697adb812cff0f37c"
+checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
  "iana-time-zone-haiku",
  "js-sys",
  "wasm-bindgen",
- "windows",
+ "windows-core",
 ]
 
 [[package]]
 name = "iana-time-zone-haiku"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0703ae284fc167426161c2e3f1da3ea71d94b21bedbcc9494e92b28e334e3dca"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
 dependencies = [
- "cxx",
- "cxx-build",
+ "cc",
 ]
 
 [[package]]
@@ -580,12 +663,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.1.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
 dependencies = [
  "equivalent",
- "hashbrown 0.14.3",
+ "hashbrown 0.15.0",
  "serde",
 ]
 
@@ -597,33 +680,33 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.11.0"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
 dependencies = [
  "either",
 ]
 
 [[package]]
 name = "itoa"
-version = "1.0.6"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
 [[package]]
 name = "js-sys"
-version = "0.3.61"
+version = "0.3.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "445dde2150c55e483f3d8416706b97ec8e8237c307e5b7b4b8dd15e6af2a0730"
+checksum = "1868808506b929d7b0cfa8f75951347aa71bb21144b7791bae35d9bccfcfe37a"
 dependencies = [
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "k256"
-version = "0.13.1"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cadb76004ed8e97623117f3df85b17aaa6626ab0b0831e6573f104df16cd1bcc"
+checksum = "f6e3919bbaa2945715f0bb6d3934a173d1e9a59ac23767fbaaef277265a7411b"
 dependencies = [
  "cfg-if",
  "ecdsa",
@@ -633,113 +716,87 @@ dependencies = [
 
 [[package]]
 name = "keccak"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f6d5ed8676d904364de097082f4e7d240b571b67989ced0240f08b7f966f940"
+checksum = "ecc2af9a1119c51f12a14607e783cb977bde58bc069ff0c3da1095e635d70654"
 dependencies = [
  "cpufeatures",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.150"
+version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
+checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
 [[package]]
 name = "libm"
-version = "0.2.6"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "348108ab3fba42ec82ff6e9564fc4ca0247bdccdc68dd8af9764bbc79c3c8ffb"
-
-[[package]]
-name = "link-cplusplus"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecd207c9c713c34f95a097a5b029ac2ce6010530c7b49d7fea24d977dede04f5"
-dependencies = [
- "cc",
-]
+checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
 
 [[package]]
 name = "log"
-version = "0.4.17"
+version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
-dependencies = [
- "cfg-if",
-]
+checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
 [[package]]
 name = "memchr"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
-
-[[package]]
-name = "miniz_oxide"
-version = "0.7.1"
+version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
-dependencies = [
- "adler",
-]
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
 [[package]]
 name = "num-bigint"
-version = "0.4.3"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
+checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
 dependencies = [
- "autocfg",
  "num-integer",
  "num-traits",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-derive"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
+checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.45"
+version = "0.1.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
 dependencies = [
- "autocfg",
  "num-traits",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.2.17"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "object"
-version = "0.32.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "once_cell"
-version = "1.17.1"
+version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "p256"
@@ -755,9 +812,9 @@ dependencies = [
 
 [[package]]
 name = "paste"
-version = "1.0.12"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f746c4065a8fa3fe23974dd82f15431cc8d40779821001404d10d2e79ca7d79"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
 [[package]]
 name = "pkcs8"
@@ -770,50 +827,53 @@ dependencies = [
 ]
 
 [[package]]
-name = "platforms"
-version = "3.0.2"
+name = "powerfmt"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.17"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy",
+]
 
 [[package]]
 name = "prettyplease"
-version = "0.2.4"
+version = "0.2.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
+checksum = "479cf940fbbb3426c32c5d5176f62ad57549a0bb84773423ba8be9d089f5faba"
 dependencies = [
  "proc-macro2",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "primeorder"
-version = "0.13.3"
+version = "0.13.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7dbe9ed3b56368bd99483eb32fe9c17fdd3730aebadc906918ce78d54c7eeb4"
+checksum = "353e1ca18966c16d9deb1c69278edbc5f194139612772bd9537af60ac231e1e6"
 dependencies = [
  "elliptic-curve",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.69"
+version = "1.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
+checksum = "b3e4daa0dcf6feba26f985457cdf104d4b4256fc5a09547140f3631bb076b19a"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.33"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
 dependencies = [
  "proc-macro2",
 ]
@@ -858,38 +918,26 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
-
 [[package]]
 name = "rustc_version"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
 dependencies = [
  "semver",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.13"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
-
-[[package]]
-name = "scratch"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1792db035ce95be60c3f8853017b3999209281c24e2ba5bc8e59bf97a0c590c1"
+checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
 [[package]]
 name = "sec1"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0aec48e813d6b90b15f0b8948af3c63483992dee44c03e9930b3eebdabe046e"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
 dependencies = [
  "base16ct",
  "der",
@@ -900,53 +948,55 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.17"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
 
 [[package]]
 name = "serde"
-version = "1.0.192"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
+checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.192"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
+checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.108"
+version = "1.0.128"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
+checksum = "6ff5456707a1de34e7e37f2a6fd3d3f808c318259cbd01ab6377795054b483d8"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
 
 [[package]]
 name = "serde_with"
-version = "3.4.0"
+version = "3.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64cd236ccc1b7a29e7e2739f27c0b2dd199804abc4290e32f59f3b68d6405c23"
+checksum = "8e28bdad6db2b8340e449f7108f020b3b092e8583a9e3fb82713e1d4e71fe817"
 dependencies = [
- "base64 0.21.0",
+ "base64 0.22.1",
  "chrono",
  "hex",
  "indexmap 1.9.3",
- "indexmap 2.1.0",
+ "indexmap 2.6.0",
  "serde",
+ "serde_derive",
  "serde_json",
  "serde_with_macros",
  "time",
@@ -954,14 +1004,14 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.4.0"
+version = "3.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93634eb5f75a2323b16de4748022ac4297f9e76b6dced2be287a099f41b5e788"
+checksum = "9d846214a9854ef724f3da161b426242d8de7c1fc7de2f89bb1efcb154dca79d"
 dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
@@ -985,11 +1035,17 @@ dependencies = [
  "keccak",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "signature"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
  "rand_core",
@@ -997,27 +1053,27 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.10.0"
+version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
 [[package]]
 name = "soroban-builtin-sdk-macros"
-version = "21.2.1"
+version = "22.0.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f57a68ef8777e28e274de0f3a88ad9a5a41d9a2eb461b4dd800b086f0e83b80"
+checksum = "c45d2492cd44f05cc79eeb857985f153f12a4423ce51b4b746b5925024c473b1"
 dependencies = [
  "itertools",
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "soroban-env-common"
-version = "21.2.1"
+version = "22.0.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fd1c89463835fe6da996318156d39f424b4f167c725ec692e5a7a2d4e694b3d"
+checksum = "39b6d2ec8955243394278e1fae88be3b367fcfed9cf74e5044799a90786a8642"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -1034,9 +1090,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "21.2.1"
+version = "22.0.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bfb2536811045d5cd0c656a324cbe9ce4467eb734c7946b74410d90dea5d0ce"
+checksum = "4002fc582cd20cc9b9fbb73959bc5d6b5b15feda11485cbfab0c28e78ecbab3e"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1044,11 +1100,14 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "21.2.1"
+version = "22.0.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b7a32c28f281c423189f1298960194f0e0fc4eeb72378028171e556d8cd6160"
+checksum = "8cb9be0260d39a648db0d33e1c6f8f494ec0c4f5be2b8a0a4e15ed4b7c6a92b0"
 dependencies = [
- "backtrace",
+ "ark-bls12-381",
+ "ark-ec",
+ "ark-ff",
+ "ark-serialize",
  "curve25519-dalek",
  "ecdsa",
  "ed25519-dalek",
@@ -1077,9 +1136,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "21.2.1"
+version = "22.0.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "242926fe5e0d922f12d3796cd7cd02dd824e5ef1caa088f45fce20b618309f64"
+checksum = "a328297a568ae98999fdb06902e3362dfd8a2bfa9abea40beaeb7dc93a402fe7"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1087,14 +1146,20 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
+<<<<<<< HEAD
 version = "21.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "956476365ff3f9bf429ff23fa11ac75798347a2bfc3c9e5e12638dbe3a6b17a8"
+=======
+version = "22.0.0-rc.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d76fe31da93a3a9b234bd5004eaf7033167b9028afa082a3203028236e1457"
+>>>>>>> e7367fa (Update token example for protocol 22 support.)
 dependencies = [
  "serde",
  "serde_json",
@@ -1106,15 +1171,23 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk"
+<<<<<<< HEAD
 version = "21.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7767472f00a4053e86d5c37b3c814a6bc01c9230004713328d73d2a3444e72e"
+=======
+version = "22.0.0-rc.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c12a55fe699c0a98c5974da3a7a35721a222b7aafa18df9a95c47ccec918790"
+>>>>>>> e7367fa (Update token example for protocol 22 support.)
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
+ "derive_arbitrary",
  "ed25519-dalek",
  "rand",
+ "rustc_version",
  "serde",
  "serde_json",
  "soroban-env-guest",
@@ -1126,9 +1199,15 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk-macros"
+<<<<<<< HEAD
 version = "21.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be8cf8fa10f3ad62509ff7b25cd696fb837da692c40264d1abb393e117aad75c"
+=======
+version = "22.0.0-rc.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2af0486014f57d0e65059524cfe1a6ad769c1c7298a6a614fe65a2de9996c7f0"
+>>>>>>> e7367fa (Update token example for protocol 22 support.)
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1141,14 +1220,20 @@ dependencies = [
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "soroban-spec"
+<<<<<<< HEAD
 version = "21.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12d306f61ef5c1247dca1562e04cc74b6e3adf107631c168b2ce0d5f1cf1fa13"
+=======
+version = "22.0.0-rc.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89dda02aa7a350e2e1e532399372d5954ce95e77249d45d9c5be73ba9e62e20f"
+>>>>>>> e7367fa (Update token example for protocol 22 support.)
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1158,9 +1243,15 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
+<<<<<<< HEAD
 version = "21.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bed06e0f622fb878fc439643f2fd86163223ac33a468beeea96e5d33f79b08b3"
+=======
+version = "22.0.0-rc.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c954e78b857b003f8593729eb9cc4e77c7597c4199f1c293b5a9fba3d9e013c7"
+>>>>>>> e7367fa (Update token example for protocol 22 support.)
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1168,7 +1259,7 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.39",
+ "syn 2.0.79",
  "thiserror",
 ]
 
@@ -1182,9 +1273,15 @@ dependencies = [
 
 [[package]]
 name = "soroban-token-sdk"
+<<<<<<< HEAD
 version = "21.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cc6820708e02fae047679562237c6a0220f411d943312537c03c238edabba84e"
+=======
+version = "22.0.0-rc.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f71edefeace8a2cb48fdb63932c7cb5fee38bf84df44e6f405ef443b5f82756d"
+>>>>>>> e7367fa (Update token example for protocol 22 support.)
 dependencies = [
  "soroban-sdk",
 ]
@@ -1210,9 +1307,9 @@ checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
 [[package]]
 name = "spki"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d1e996ef02c474957d681f1b05213dfb0abab947b446a62d37770b23500184a"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
 dependencies = [
  "base64ct",
  "der",
@@ -1226,20 +1323,20 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.8"
+version = "0.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
+checksum = "5e3aa3ed00e70082cb43febc1c2afa5056b9bb3e348bbb43d0cd0aa88a611144"
 dependencies = [
- "base32",
  "crate-git-revision",
+ "data-encoding",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "21.2.0"
+version = "22.0.0-rc.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2675a71212ed39a806e415b0dbf4702879ff288ec7f5ee996dda42a135512b50"
+checksum = "c88dc0e928b9cb65ea43836b52560bb4ead3e32895f5019ca223dc7cd1966cbf"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
@@ -1253,15 +1350,15 @@ dependencies = [
 
 [[package]]
 name = "strsim"
-version = "0.10.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "subtle"
-version = "2.5.0"
+version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
@@ -1276,51 +1373,45 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.39"
+version = "2.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
+checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-ident",
 ]
 
-[[package]]
-name = "termcolor"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "thiserror"
-version = "1.0.40"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "978c9a314bd8dc99be594bc3c175faaa9794be04a5a5e153caba6915336cebac"
+checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.40"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
+checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "time"
-version = "0.3.20"
+version = "0.3.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
 dependencies = [
+ "deranged",
  "itoa",
+ "num-conv",
+ "powerfmt",
  "serde",
  "time-core",
  "time-macros",
@@ -1328,42 +1419,37 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.0"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.8"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd80a657e71da814b8e5d60d3374fc6d35045062245d80224748ae522dd76f36"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
 dependencies = [
+ "num-conv",
  "time-core",
 ]
 
 [[package]]
 name = "typenum"
-version = "1.16.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
-
-[[package]]
-name = "unicode-width"
-version = "0.1.10"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
+checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
 [[package]]
 name = "version_check"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "wasi"
@@ -1373,34 +1459,35 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.84"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31f8dcbc21f30d9b8f2ea926ecb58f6b91192c17e9d33594b3df58b2007ca53b"
+checksum = "a82edfc16a6c469f5f44dc7b571814045d60404b55a0ee849f9bcfa2e63dd9b5"
 dependencies = [
  "cfg-if",
+ "once_cell",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.84"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95ce90fd5bcc06af55a641a86428ee4229e44e07033963a2290a8e241607ccb9"
+checksum = "9de396da306523044d3302746f1208fa71d7532227f15e347e2d93e4145dd77b"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.79",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.84"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c21f77c0bedc37fd5dc21f897894a5ca01e7bb159884559461862ae90c0b4c5"
+checksum = "585c4c91a46b072c92e908d99cb1dcdf95c5218eeb6f3bf1efa991ee7a68cccf"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1408,28 +1495,28 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.84"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
+checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.79",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.84"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
+checksum = "c62a0a307cb4a311d3a07867860911ca130c3494e8c2719593806c08bc5d0484"
 
 [[package]]
 name = "wasmi_arena"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "401c1f35e413fac1846d4843745589d9ec678977ab35a384db8ae7830525d468"
+checksum = "104a7f73be44570cac297b3035d76b169d6599637631cf37a1703326a0727073"
 
 [[package]]
 name = "wasmi_core"
@@ -1449,68 +1536,38 @@ version = "0.116.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a58e28b80dd8340cb07b8242ae654756161f6fc8d0038123d679b7b99964fa50"
 dependencies = [
- "indexmap 2.1.0",
+ "indexmap 2.6.0",
  "semver",
 ]
 
 [[package]]
 name = "wasmparser-nostd"
-version = "0.100.1"
+version = "0.100.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9157cab83003221bfd385833ab587a039f5d6fa7304854042ba358a3b09e0724"
+checksum = "d5a015fe95f3504a94bb1462c717aae75253e39b9dd6c3fb1062c934535c64aa"
 dependencies = [
  "indexmap-nostd",
 ]
 
 [[package]]
-name = "winapi"
-version = "0.3.9"
+name = "windows-core"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-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 = "windows"
-version = "0.48.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
 dependencies = [
  "windows-targets",
 ]
 
 [[package]]
 name = "windows-targets"
-version = "0.48.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
  "windows_i686_gnu",
+ "windows_i686_gnullvm",
  "windows_i686_msvc",
  "windows_x86_64_gnu",
  "windows_x86_64_gnullvm",
@@ -1519,48 +1576,89 @@ dependencies = [
 
 [[package]]
 name = "windows_aarch64_gnullvm"
-version = "0.48.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.48.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.48.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.48.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.48.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
-version = "0.48.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.48.0"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.79",
+]
 
 [[package]]
 name = "zeroize"
-version = "1.6.0"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.79",
+]
diff --git a/token/Cargo.toml b/token/Cargo.toml
index 11e8fa1c..a55daf9c 100644
--- a/token/Cargo.toml
+++ b/token/Cargo.toml
@@ -8,11 +8,11 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [dependencies]
-soroban-sdk = { version = "21.7.4" }
-soroban-token-sdk = { version = "21.7.4" }
+soroban-sdk = { version = "22.0.0-rc.3.1" }
+soroban-token-sdk = { version = "22.0.0-rc.3.1" }
 
 [dev-dependencies]
-soroban-sdk = { version = "21.7.4", features = ["testutils"] }
+soroban-sdk = { version = "22.0.0-rc.3.1", features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/token/src/admin.rs b/token/src/admin.rs
index a820bf04..0bbf0d55 100644
--- a/token/src/admin.rs
+++ b/token/src/admin.rs
@@ -2,11 +2,6 @@ use soroban_sdk::{Address, Env};
 
 use crate::storage_types::DataKey;
 
-pub fn has_administrator(e: &Env) -> bool {
-    let key = DataKey::Admin;
-    e.storage().instance().has(&key)
-}
-
 pub fn read_administrator(e: &Env) -> Address {
     let key = DataKey::Admin;
     e.storage().instance().get(&key).unwrap()
diff --git a/token/src/contract.rs b/token/src/contract.rs
index 70626096..ff48521b 100644
--- a/token/src/contract.rs
+++ b/token/src/contract.rs
@@ -1,6 +1,6 @@
 //! This contract demonstrates a sample implementation of the Soroban token
 //! interface.
-use crate::admin::{has_administrator, read_administrator, write_administrator};
+use crate::admin::{read_administrator, write_administrator};
 use crate::allowance::{read_allowance, spend_allowance, write_allowance};
 use crate::balance::{read_balance, receive_balance, spend_balance};
 use crate::metadata::{read_decimal, read_name, read_symbol, write_metadata};
@@ -23,15 +23,11 @@ pub struct Token;
 
 #[contractimpl]
 impl Token {
-    pub fn initialize(e: Env, admin: Address, decimal: u32, name: String, symbol: String) {
-        if has_administrator(&e) {
-            panic!("already initialized")
-        }
-        write_administrator(&e, &admin);
+    pub fn __constructor(e: Env, admin: Address, decimal: u32, name: String, symbol: String) {
         if decimal > 18 {
             panic!("Decimal must not be greater than 18");
         }
-
+        write_administrator(&e, &admin);
         write_metadata(
             &e,
             TokenMetadata {
diff --git a/token/src/test.rs b/token/src/test.rs
index c3718c0e..1543ce69 100644
--- a/token/src/test.rs
+++ b/token/src/test.rs
@@ -5,13 +5,20 @@ use crate::{contract::Token, TokenClient};
 use soroban_sdk::{
     symbol_short,
     testutils::{Address as _, AuthorizedFunction, AuthorizedInvocation},
-    Address, Env, IntoVal, Symbol,
+    Address, Env, FromVal, IntoVal, String, Symbol,
 };
 
 fn create_token<'a>(e: &Env, admin: &Address) -> TokenClient<'a> {
-    let token = TokenClient::new(e, &e.register_contract(None, Token {}));
-    token.initialize(admin, &7, &"name".into_val(e), &"symbol".into_val(e));
-    token
+    let token_contract = e.register(
+        Token,
+        (
+            admin,
+            7_u32,
+            String::from_val(e, &"name"),
+            String::from_val(e, &"symbol"),
+        ),
+    );
+    TokenClient::new(e, &token_contract)
 }
 
 #[test]
@@ -231,23 +238,23 @@ fn transfer_from_insufficient_allowance() {
     token.transfer_from(&user3, &user1, &user2, &101);
 }
 
-#[test]
-#[should_panic(expected = "already initialized")]
-fn initialize_already_initialized() {
-    let e = Env::default();
-    let admin = Address::generate(&e);
-    let token = create_token(&e, &admin);
-
-    token.initialize(&admin, &10, &"name".into_val(&e), &"symbol".into_val(&e));
-}
-
 #[test]
 #[should_panic(expected = "Decimal must not be greater than 18")]
 fn decimal_is_over_eighteen() {
     let e = Env::default();
     let admin = Address::generate(&e);
-    let token = TokenClient::new(&e, &e.register_contract(None, Token {}));
-    token.initialize(&admin, &19, &"name".into_val(&e), &"symbol".into_val(&e));
+    let _ = TokenClient::new(
+        &e,
+        &e.register(
+            Token,
+            (
+                admin,
+                19_u32,
+                String::from_val(&e, &"name"),
+                String::from_val(&e, &"symbol"),
+            ),
+        ),
+    );
 }
 
 #[test]