diff --git a/Cargo.lock b/Cargo.lock
index 30e6e85..26915f1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,17 +3,20 @@
 version = 4
 
 [[package]]
-name = "ahash"
-version = "0.8.12"
+name = "addr2line"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
- "cfg-if",
- "once_cell",
- "version_check",
- "zerocopy",
+ "gimli",
 ]
 
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -33,145 +36,43 @@ dependencies = [
 ]
 
 [[package]]
-name = "ark-bls12-381"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c775f0d12169cba7aae4caeb547bb6a50781c7449a8aa53793827c9ec4abf488"
-dependencies = [
- "ark-ec",
- "ark-ff",
- "ark-serialize",
- "ark-std",
-]
-
-[[package]]
-name = "ark-bn254"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a22f4561524cd949590d78d7d4c5df8f592430d221f7f3c9497bbafd8972120f"
-dependencies = [
- "ark-ec",
- "ark-ff",
- "ark-std",
-]
-
-[[package]]
-name = "ark-ec"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "defd9a439d56ac24968cca0571f598a61bc8c55f71d50a89cda591cb750670ba"
-dependencies = [
- "ark-ff",
- "ark-poly",
- "ark-serialize",
- "ark-std",
- "derivative",
- "hashbrown 0.13.2",
- "itertools",
- "num-traits",
- "zeroize",
-]
-
-[[package]]
-name = "ark-ff"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-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 = "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"
+name = "autocfg"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d320bfc44ee185d899ccbadfa8bc31aab923ce1558716e1997a1e74057fe86bf"
-dependencies = [
- "ark-ff",
- "ark-serialize",
- "ark-std",
- "derivative",
- "hashbrown 0.13.2",
-]
+checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
 [[package]]
-name = "ark-serialize"
-version = "0.4.2"
+name = "backtrace"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adb7b85a02b83d2f22f89bd5cac66c9c89474240cb6207cb1efc16d098e822a5"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
- "ark-serialize-derive",
- "ark-std",
- "digest",
- "num-bigint",
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
 ]
 
 [[package]]
-name = "ark-serialize-derive"
-version = "0.4.2"
+name = "base16ct"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae3281bc6d0fd7e549af32b52511e1302185bd688fd3359fa36423346ff682ea"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
 [[package]]
-name = "ark-std"
+name = "base32"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94893f1e0c6eeab764ade8dc4c0db24caf4fe7cbbaafc0eba0a9030f447b5185"
-dependencies = [
- "num-traits",
- "rand",
-]
-
-[[package]]
-name = "autocfg"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
+checksum = "23ce669cd6c8588f79e15cf450314f9638f967fc5770ff1c7c1deb0925ea7cfa"
 
 [[package]]
-name = "base16ct"
-version = "0.2.0"
+name = "base64"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
@@ -215,7 +116,7 @@ dependencies = [
  "num-bigint",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -234,17 +135,6 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
-[[package]]
-name = "cfg_eval"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45565fc9416b9896014f5732ac776f810ee53a66730c17e4020c3ec064a8f88f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "chrono"
 version = "0.4.44"
@@ -313,31 +203,26 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.5.0"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67773048316103656a637612c4a62477603b777d91d9c62ff2290f9cde178fdb"
+checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
 dependencies = [
- "ctor-proc-macro",
- "dtor",
+ "quote",
+ "syn",
 ]
 
-[[package]]
-name = "ctor-proc-macro"
-version = "0.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2931af7e13dc045d8e9d26afccc6fa115d64e115c9c84b1166288b46f6782c2"
-
 [[package]]
 name = "curve25519-dalek"
-version = "4.1.3"
+version = "4.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
+checksum = "0a677b8922c94e01bdbb12126b0bc852f00447528dee1782229af9c720c3f348"
 dependencies = [
  "cfg-if",
  "cpufeatures",
  "curve25519-dalek-derive",
  "digest",
  "fiat-crypto",
+ "platforms",
  "rustc_version",
  "subtle",
  "zeroize",
@@ -351,84 +236,44 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "darling"
-version = "0.20.11"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc7f46116c46ff9ab3eb1597a45688b6715c6e628b5c133e288e709a29bcb4ee"
+checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
 dependencies = [
- "darling_core 0.20.11",
- "darling_macro 0.20.11",
-]
-
-[[package]]
-name = "darling"
-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25ae13da2f202d56bd7f91c25fba009e7717a1e4a1cc98a76d844b65ae912e9d"
-dependencies = [
- "darling_core 0.23.0",
- "darling_macro 0.23.0",
+ "darling_core",
+ "darling_macro",
 ]
 
 [[package]]
 name = "darling_core"
-version = "0.20.11"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d00b9596d185e565c2207a0b01f8bd1a135483d02d9b7b0a54b11da8d53412e"
+checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
 dependencies = [
  "fnv",
  "ident_case",
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.117",
-]
-
-[[package]]
-name = "darling_core"
-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9865a50f7c335f53564bb694ef660825eb8610e0a53d3e11bf1b0d3df31e03b0"
-dependencies = [
- "ident_case",
- "proc-macro2",
- "quote",
- "strsim",
- "syn 2.0.117",
-]
-
-[[package]]
-name = "darling_macro"
-version = "0.20.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
-dependencies = [
- "darling_core 0.20.11",
- "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "darling_macro"
-version = "0.23.0"
+version = "0.20.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3984ec7bd6cfa798e62b4a642426a5be0e68f9401cfc2a01e3fa9ea2fcdb8d"
+checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
 dependencies = [
- "darling_core 0.23.0",
+ "darling_core",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
-[[package]]
-name = "data-encoding"
-version = "2.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7a1e2f27636f116493b8b860f5546edb47c8d8f8ea73e1d2a20be88e28d1fea"
-
 [[package]]
 name = "der"
 version = "0.7.10"
@@ -441,23 +286,12 @@ dependencies = [
 
 [[package]]
 name = "deranged"
-version = "0.5.8"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cd812cc2bc1d69d4764bd80df88b4317eaef9e773c75226407d9bc0876b211c"
+checksum = "d630bccd429a5bb5a64b5e94f693bfc48c9f8566418fda4c494cc94f911f87cc"
 dependencies = [
  "powerfmt",
- "serde_core",
-]
-
-[[package]]
-name = "derivative"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
+ "serde",
 ]
 
 [[package]]
@@ -468,7 +302,7 @@ checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -489,27 +323,6 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
 
-[[package]]
-name = "dtor"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "404d02eeb088a82cfd873006cb713fe411306c7d182c344905e101fb1167d301"
-dependencies = [
- "dtor-proc-macro",
-]
-
-[[package]]
-name = "dtor-proc-macro"
-version = "0.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f678cf4a922c215c63e0de95eb1ff08a958a81d47e485cf9da1e27bf6305cfa5"
-
-[[package]]
-name = "dyn-clone"
-version = "1.0.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
-
 [[package]]
 name = "ecdsa"
 version = "0.16.9"
@@ -521,6 +334,7 @@ dependencies = [
  "elliptic-curve",
  "rfc6979",
  "signature",
+ "spki",
 ]
 
 [[package]]
@@ -535,16 +349,15 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "2.2.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
+checksum = "7277392b266383ef8396db7fdeb1e77b6c52fed775f5df15bb24f35b72156980"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
  "rand_core",
  "serde",
  "sha2",
- "subtle",
  "zeroize",
 ]
 
@@ -566,6 +379,7 @@ dependencies = [
  "ff",
  "generic-array",
  "group",
+ "pkcs8",
  "rand_core",
  "sec1",
  "subtle",
@@ -586,9 +400,9 @@ checksum = "2bfcf67fea2815c2fc3b90873fae90957be12ff417335dfadc7f52927feb03b2"
 
 [[package]]
 name = "ethnum"
-version = "1.5.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca81e6b4777c89fd810c25a4be2b1bd93ea034fbe58e6a75216a34c6b82c539b"
+checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "ff"
@@ -631,9 +445,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.17"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -642,6 +456,12 @@ 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"
@@ -653,15 +473,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "hash32"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -670,41 +481,9 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "hashbrown"
-version = "0.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
-dependencies = [
- "ahash",
-]
-
-[[package]]
-name = "hashbrown"
-version = "0.16.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
-
-[[package]]
-name = "heapless"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
-dependencies = [
- "hash32",
- "stable_deref_trait",
-]
-
-[[package]]
-name = "heck"
-version = "0.5.0"
+version = "0.15.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
-
-[[package]]
-name = "hello-world"
-version = "0.0.0"
-dependencies = [
- "soroban-sdk",
-]
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 
 [[package]]
 name = "hex"
@@ -773,14 +552,13 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.13.0"
+version = "2.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
+checksum = "206a8042aec68fa4a62e8d3f7aa4ceb508177d9324faf261e1959e495b7a1921"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.1",
+ "hashbrown 0.15.5",
  "serde",
- "serde_core",
 ]
 
 [[package]]
@@ -791,9 +569,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -816,14 +594,16 @@ dependencies = [
 
 [[package]]
 name = "k256"
-version = "0.13.4"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6e3919bbaa2945715f0bb6d3934a173d1e9a59ac23767fbaaef277265a7411b"
+checksum = "cadb76004ed8e97623117f3df85b17aaa6626ab0b0831e6573f104df16cd1bcc"
 dependencies = [
  "cfg-if",
  "ecdsa",
  "elliptic-curve",
+ "once_cell",
  "sha2",
+ "signature",
 ]
 
 [[package]]
@@ -835,13 +615,6 @@ dependencies = [
  "cpufeatures",
 ]
 
-[[package]]
-name = "ledger-time-helper"
-version = "0.0.0"
-dependencies = [
- "soroban-sdk",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.183"
@@ -860,85 +633,82 @@ version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
-[[package]]
-name = "macro-string"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b27834086c65ec3f9387b096d66e99f221cf081c2b738042aa252bcd41204e3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "memchr"
 version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8a240ddb74feaf34a79a7add65a741f3167852fba007066dcac1ca548d89c08"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "num-bigint"
-version = "0.4.6"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
+checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
 dependencies = [
+ "autocfg",
  "num-integer",
  "num-traits",
 ]
 
 [[package]]
 name = "num-conv"
-version = "0.2.1"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6673768db2d862beb9b39a78fdcb1a69439615d5794a1be50caa9bc92c81967"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
 [[package]]
 name = "num-derive"
-version = "0.4.2"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
+checksum = "cfb77679af88f8b125209d354a202862602672222e7f2313fdd6dc349bad4712"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.46"
+version = "0.1.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
 dependencies = [
+ "autocfg",
  "num-traits",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.2.19"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
-name = "once_cell"
-version = "1.21.4"
+name = "object"
+version = "0.32.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
+checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441"
+dependencies = [
+ "memchr",
+]
 
 [[package]]
-name = "p256"
-version = "0.13.2"
+name = "once_cell"
+version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9863ad85fa8f4460f9c48cb909d38a0d689dba1f6f6988a5e3e0d31071bcd4b"
-dependencies = [
- "ecdsa",
- "elliptic-curve",
- "primeorder",
- "sha2",
-]
+checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
 [[package]]
 name = "paste"
@@ -956,6 +726,12 @@ dependencies = [
  "spki",
 ]
 
+[[package]]
+name = "platforms"
+version = "3.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6001d2ac55b4eb1ca634c65fc06555068b8dd89c9f20fd92064e5341a436e63"
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -964,53 +740,37 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.21"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
 dependencies = [
  "zerocopy",
 ]
 
 [[package]]
 name = "prettyplease"
-version = "0.2.37"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
+checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
 dependencies = [
  "proc-macro2",
- "syn 2.0.117",
-]
-
-[[package]]
-name = "price-oracle"
-version = "0.0.0"
-dependencies = [
- "soroban-sdk",
-]
-
-[[package]]
-name = "primeorder"
-version = "0.13.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "353e1ca18966c16d9deb1c69278edbc5f194139612772bd9537af60ac231e1e6"
-dependencies = [
- "elliptic-curve",
+ "syn",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.106"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.45"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -1045,26 +805,6 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "ref-cast"
-version = "1.0.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f354300ae66f76f1c85c5f84693f0ce81d747e2c3f21a45fef496d89c960bf7d"
-dependencies = [
- "ref-cast-impl",
-]
-
-[[package]]
-name = "ref-cast-impl"
-version = "1.0.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "rfc6979"
 version = "0.4.0"
@@ -1075,6 +815,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b50b8869d9fc858ce7266cce0194bd74df58b9d0e3f6df3a9fc8eb470d95c09d"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.1"
@@ -1091,39 +837,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
 [[package]]
-name = "schemars"
-version = "0.8.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fbf2ae1b8bc8e02df939598064d22402220cd5bbcca1c76f7d6a310974d5615"
-dependencies = [
- "dyn-clone",
- "serde",
- "serde_json",
-]
-
-[[package]]
-name = "schemars"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cd191f9397d57d581cddd31014772520aa448f65ef991055d7f61582c65165f"
-dependencies = [
- "dyn-clone",
- "ref-cast",
- "serde",
- "serde_json",
-]
-
-[[package]]
-name = "schemars"
-version = "1.2.1"
+name = "ryu"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2b42f36aa1cd011945615b92222f6bf73c599a102a300334cd7f8dbeec726cc"
-dependencies = [
- "dyn-clone",
- "ref-cast",
- "serde",
- "serde_json",
-]
+checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
 
 [[package]]
 name = "sec1"
@@ -1134,6 +851,7 @@ dependencies = [
  "base16ct",
  "der",
  "generic-array",
+ "pkcs8",
  "subtle",
  "zeroize",
 ]
@@ -1146,62 +864,48 @@ checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
 
 [[package]]
 name = "serde"
-version = "1.0.228"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
-dependencies = [
- "serde_core",
- "serde_derive",
-]
-
-[[package]]
-name = "serde_core"
-version = "1.0.228"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.228"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.149"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
- "memchr",
+ "ryu",
  "serde",
- "serde_core",
- "zmij",
 ]
 
 [[package]]
 name = "serde_with"
-version = "3.18.0"
+version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd5414fad8e6907dbdd5bc441a50ae8d6e26151a03b1de04d89a5576de61d01f"
+checksum = "d6b6f7f2fcb69f747921f79f3926bd1e203fce4fef62c268dd3abfb6d86029aa"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "chrono",
  "hex",
  "indexmap 1.9.3",
- "indexmap 2.13.0",
- "schemars 0.8.22",
- "schemars 0.9.0",
- "schemars 1.2.1",
- "serde_core",
+ "indexmap 2.11.1",
+ "serde",
+ "serde_derive",
  "serde_json",
  "serde_with_macros",
  "time",
@@ -1209,21 +913,21 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.18.0"
+version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3db8978e608f1fe7357e211969fd9abdcae80bac1ba7a3369bb7eb6b404eb65"
+checksum = "8d00caa5193a3c8362ac2b73be6b9e768aa5a4b2f721d8f4b339600c3cb51f8e"
 dependencies = [
- "darling 0.23.0",
+ "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.10.9"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -1264,21 +968,21 @@ checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
 
 [[package]]
 name = "soroban-builtin-sdk-macros"
-version = "25.0.1"
+version = "20.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7192e3a5551a7aeee90d2110b11b615798e81951fd8c8293c87ea7f88b0168f5"
+checksum = "7cc32c6e817f3ca269764ec0d7d14da6210b74a5bf14d4e745aa3ee860558900"
 dependencies = [
  "itertools",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-env-common"
-version = "25.0.1"
+version = "20.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfc49a80a68fc1005847308e63b9fce39874de731940b1807b721d472de3ff01"
+checksum = "c14e18d879c520ff82612eaae0590acaf6a7f3b977407e1abb1c9e31f94c7814"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -1290,14 +994,13 @@ dependencies = [
  "soroban-wasmi",
  "static_assertions",
  "stellar-xdr",
- "wasmparser",
 ]
 
 [[package]]
 name = "soroban-env-guest"
-version = "25.0.1"
+version = "20.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea2334ba1cfe0a170ab744d96db0b4ca86934de9ff68187ceebc09dc342def55"
+checksum = "5122ca2abd5ebcc1e876a96b9b44f87ce0a0e06df8f7c09772ddb58b159b7454"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1305,20 +1008,13 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "25.0.1"
+version = "20.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43af5d53c57bc2f546e122adc0b1cca6f93942c718977379aa19ddd04f06fcec"
+checksum = "114a0fa0d0cc39d0be16b1ee35b6e5f4ee0592ddcf459bde69391c02b03cf520"
 dependencies = [
- "ark-bls12-381",
- "ark-bn254",
- "ark-ec",
- "ark-ff",
- "ark-serialize",
+ "backtrace",
  "curve25519-dalek",
- "ecdsa",
  "ed25519-dalek",
- "elliptic-curve",
- "generic-array",
  "getrandom",
  "hex-literal",
  "hmac",
@@ -1326,25 +1022,22 @@ dependencies = [
  "num-derive",
  "num-integer",
  "num-traits",
- "p256",
  "rand",
  "rand_chacha",
- "sec1",
  "sha2",
  "sha3",
  "soroban-builtin-sdk-macros",
  "soroban-env-common",
  "soroban-wasmi",
  "static_assertions",
- "stellar-strkey 0.0.13",
- "wasmparser",
+ "stellar-strkey",
 ]
 
 [[package]]
 name = "soroban-env-macros"
-version = "25.0.1"
+version = "20.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a989167512e3592d455b1e204d703cfe578a36672a77ed2f9e6f7e1bbfd9cc5c"
+checksum = "b13e3f8c86f812e0669e78fcb3eae40c385c6a9dd1a4886a1de733230b4fcf27"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1352,14 +1045,14 @@ dependencies = [
  "serde",
  "serde_json",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-ledger-snapshot"
-version = "25.3.0"
+version = "20.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "760124fb65a2acdea7d241b8efdfab9a39287ae8dc5bf8feb6fd9dfb664c1ad5"
+checksum = "61a54708f44890e0546180db6b4f530e2a88d83b05a9b38a131caa21d005e25a"
 dependencies = [
  "serde",
  "serde_json",
@@ -1371,56 +1064,51 @@ dependencies = [
 
 [[package]]
 name = "soroban-sdk"
-version = "25.3.0"
+version = "20.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fb27e93f8d3fc3a815d24c60ec11e893c408a36693ec9c823322f954fa096ae"
+checksum = "84fc8be9068dd4e0212d8b13ad61089ea87e69ac212c262914503a961c8dc3a3"
 dependencies = [
  "arbitrary",
  "bytes-lit",
- "crate-git-revision",
  "ctor",
- "derive_arbitrary",
  "ed25519-dalek",
  "rand",
- "rustc_version",
  "serde",
  "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
  "soroban-sdk-macros",
- "stellar-strkey 0.0.16",
- "visibility",
+ "stellar-strkey",
 ]
 
 [[package]]
 name = "soroban-sdk-macros"
-version = "25.3.0"
+version = "20.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec603a62a90abdef898f8402471a24d8b58a0043b9a998ed6a607a19a5dabe1"
+checksum = "db20def4ead836663633f58d817d0ed8e1af052c9650a04adf730525af85b964"
 dependencies = [
- "darling 0.20.11",
- "heck",
+ "crate-git-revision",
+ "darling",
  "itertools",
- "macro-string",
  "proc-macro2",
  "quote",
+ "rustc_version",
  "sha2",
  "soroban-env-common",
  "soroban-spec",
  "soroban-spec-rust",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "soroban-spec"
-version = "25.3.0"
+version = "20.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24718fac3af127fc6910eb6b1d3ccd8403201b6ef0aca73b5acabe4bc3dd42ed"
+checksum = "3eefeb5d373b43f6828145d00f0c5cc35e96db56a6671ae9614f84beb2711cab"
 dependencies = [
- "base64",
- "sha2",
+ "base64 0.13.1",
  "stellar-xdr",
  "thiserror",
  "wasmparser",
@@ -1428,9 +1116,9 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-rust"
-version = "25.3.0"
+version = "20.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93c558bca7a693ec8ed67d2d8c8f5b300f3772141d619a4a694ad5dd48461256"
+checksum = "3152bca4737ef734ac37fe47b225ee58765c9095970c481a18516a2b287c7a33"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1438,10 +1126,19 @@ dependencies = [
  "sha2",
  "soroban-spec",
  "stellar-xdr",
- "syn 2.0.117",
+ "syn",
  "thiserror",
 ]
 
+[[package]]
+name = "soroban-token-sdk"
+version = "20.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee8ed0ae2e5d5e67b7939200bba3712b4c81dcf87b2ccd68bba049bec64c780f"
+dependencies = [
+ "soroban-sdk",
+]
+
 [[package]]
 name = "soroban-wasmi"
 version = "0.31.1-soroban.20.0.1"
@@ -1471,12 +1168,6 @@ dependencies = [
  "der",
 ]
 
-[[package]]
-name = "stable_deref_trait"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
-
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -1485,42 +1176,37 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee1832fb50c651ad10f734aaf5d31ca5acdfb197a6ecda64d93fcdb8885af913"
-dependencies = [
- "crate-git-revision",
- "data-encoding",
-]
-
-[[package]]
-name = "stellar-strkey"
-version = "0.0.16"
+version = "0.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "084afcb0d458c3d5d5baa2d294b18f881e62cc258ef539d8fdf68be7dbe45520"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
+ "base32",
  "crate-git-revision",
- "data-encoding",
- "heapless",
+ "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "25.0.0"
+version = "20.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10d20dafed80076b227d4b17c0c508a4bbc4d5e4c3d4c1de7cd42242df4b1eaf"
+checksum = "e59cdf3eb4467fb5a4b00b52e7de6dca72f67fac6f9b700f55c95a5d86f09c9d"
 dependencies = [
  "arbitrary",
- "base64",
- "cfg_eval",
+ "base64 0.13.1",
  "crate-git-revision",
  "escape-bytes",
- "ethnum",
  "hex",
  "serde",
  "serde_with",
- "sha2",
- "stellar-strkey 0.0.13",
+ "stellar-strkey",
+]
+
+[[package]]
+name = "stellarflow-contracts"
+version = "0.1.0"
+dependencies = [
+ "soroban-sdk",
+ "soroban-token-sdk",
 ]
 
 [[package]]
@@ -1537,20 +1223,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "syn"
-version = "2.0.117"
+version = "2.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1559,50 +1234,50 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.69"
+version = "1.0.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+checksum = "6e3de26b0965292219b4287ff031fcba86837900fe9cd2b34ea8ad893c0953d2"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.69"
+version = "1.0.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+checksum = "268026685b2be38d7103e9e507c938a1fcb3d7e6eb15e87870b617bf37b6d581"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "time"
-version = "0.3.47"
+version = "0.3.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "743bd48c283afc0388f9b8827b976905fb217ad9e647fae3a379a9283c4def2c"
+checksum = "91e7d9e3bb61134e77bde20dd4825b97c010155709965fedf0f49bb138e52a9d"
 dependencies = [
  "deranged",
  "itoa",
  "num-conv",
  "powerfmt",
- "serde_core",
+ "serde",
  "time-core",
  "time-macros",
 ]
 
 [[package]]
 name = "time-core"
-version = "0.1.8"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7694e1cfe791f8d31026952abf09c69ca6f6fa4e1a1229e18988f06a04a12dca"
+checksum = "40868e7c1d2f0b8d73e4a8c7f0ff63af4f6d19be117e90bd73eb1d62cf831c6b"
 
 [[package]]
 name = "time-macros"
-version = "0.2.27"
+version = "0.2.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e70e4c5a0e0a8a4823ad65dfe1a6930e4f4d756dcd9dd7939022b5e8c501215"
+checksum = "30cfb0125f12d9c277f35663a0a33f8c30190f4e4574868a330595412d34ebf3"
 dependencies = [
  "num-conv",
  "time-core",
@@ -1626,17 +1301,6 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
-[[package]]
-name = "visibility"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d674d135b4a8c1d7e813e2f8d1c9a58308aee4a680323066025e53132218bd91"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
@@ -1675,7 +1339,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
@@ -1708,12 +1372,11 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.116.1"
+version = "0.88.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a58e28b80dd8340cb07b8242ae654756161f6fc8d0038123d679b7b99964fa50"
+checksum = "fb8cf7dd82407fe68161bedcd57fde15596f32ebf6e9b3bdbf3ae1da20e38e5e"
 dependencies = [
- "indexmap 2.13.0",
- "semver",
+ "indexmap 1.9.3",
 ]
 
 [[package]]
@@ -1746,7 +1409,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1757,7 +1420,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1786,22 +1449,23 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.47"
+version = "0.7.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efbb2a062be311f2ba113ce66f697a4dc589f85e78a4aea276200804cea0ed87"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
 dependencies = [
+ "byteorder",
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.47"
+version = "0.7.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e8bc7269b54418e7aeeef514aa68f8690b8c0489a06b0136e5f57c4c5ccab89"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1809,23 +1473,3 @@ name = "zeroize"
 version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
-[[package]]
-name = "zmij"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/contracts/price-oracle/src/auth.rs b/contracts/price-oracle/src/auth.rs
index 375c6f2..cd620e5 100644
--- a/contracts/price-oracle/src/auth.rs
+++ b/contracts/price-oracle/src/auth.rs
@@ -13,6 +13,14 @@ pub enum DataKey {
     ActiveRelayers,
     CommunityCouncil,
     EmergencyFrozen,
+    /// Expiry timestamp (seconds) until which safety checks are bypassed.
+    BypassSafetyChecks,
+    /// Auto-incrementing counter for multi-sig action proposals.
+    ActionIdCounter,
+    /// Stores a proposed multi-sig action by its ID.
+    ProposedAction(u64),
+    /// Stores the list of voters for a proposed multi-sig action.
+    ActionVotes(u64),
 }
 
 // ─────────────────────────────────────────────────────────────────────────────
@@ -229,6 +237,32 @@ pub fn _require_not_frozen(env: &Env) {
     }
 }
 
+// ─────────────────────────────────────────────────────────────────────────────
+// Bypass Safety Checks Helpers
+// ─────────────────────────────────────────────────────────────────────────────
+
+/// Store the expiry timestamp for the safety-checks bypass.
+pub fn _set_bypass_safety_checks(env: &Env, expiry: u64) {
+    env.storage().instance().set(&DataKey::BypassSafetyChecks, &expiry);
+}
+
+/// Remove the safety-checks bypass (disables it immediately).
+pub fn _remove_bypass_safety_checks(env: &Env) {
+    env.storage().instance().remove(&DataKey::BypassSafetyChecks);
+}
+
+/// Return the expiry timestamp of the safety-checks bypass, or None if not set.
+pub fn _get_bypass_expiry(env: &Env) -> Option<u64> {
+    env.storage().instance().get(&DataKey::BypassSafetyChecks)
+}
+
+/// Return true if a bypass is set and has not yet expired.
+pub fn _is_bypass_active(env: &Env) -> bool {
+    _get_bypass_expiry(env)
+        .map(|expiry| env.ledger().timestamp() < expiry)
+        .unwrap_or(false)
+}
+
 // ─────────────────────────────────────────────────────────────────────────────
 // Multi-Sig Action Proposal Helpers
 // ─────────────────────────────────────────────────────────────────────────────
diff --git a/contracts/price-oracle/src/lib.rs b/contracts/price-oracle/src/lib.rs
index bc4b03b..8ac6513 100644
--- a/contracts/price-oracle/src/lib.rs
+++ b/contracts/price-oracle/src/lib.rs
@@ -221,6 +221,20 @@ pub trait StellarFlowTrait {
     ///
     /// Returns true if the contract is frozen, false otherwise.
     fn is_frozen(env: Env) -> bool;
+
+    /// Enable a 1-hour grace period during which the circuit-breaker safety
+    /// checks (flash-crash, price floor, and price bounds) are bypassed.
+    ///
+    /// Only an authorized admin may call this. Returns the absolute expiry
+    /// timestamp (seconds) at which the bypass will automatically lapse.
+    fn enable_bypass_safety_checks(env: Env, admin: Address) -> Result<u64, Error>;
+
+    /// Immediately revoke the safety-checks bypass before it expires naturally.
+    fn disable_bypass_safety_checks(env: Env, admin: Address) -> Result<(), Error>;
+
+    /// Return the expiry timestamp of the safety-checks bypass, or `None` if
+    /// no bypass is currently set (regardless of whether it has expired).
+    fn get_bypass_safety_checks_expiry(env: Env) -> Option<u64>;
 }
 
 #[contractclient(name = "TokenContractClient")]
@@ -299,6 +313,17 @@ pub struct PriceAnomalyEvent {
     pub delta: u128,
 }
 
+#[soroban_sdk::contractevent]
+pub struct BypassEnabledEvent {
+    pub admin: Address,
+    pub expiry: u64,
+}
+
+#[soroban_sdk::contractevent]
+pub struct BypassDisabledEvent {
+    pub admin: Address,
+}
+
 #[soroban_sdk::contractevent]
 pub struct ContractInitialized {
     pub admin: Address,
@@ -1276,8 +1301,10 @@ impl PriceOracle {
             .map(|pd| pd.price)
             .unwrap_or(0);
 
+        let bypass_active = crate::auth::_is_bypass_active(&env);
+
         let max_deviation_bps = Self::get_max_deviation_percentage(env.clone());
-        if old_price > 0 {
+        if old_price > 0 && !bypass_active {
             if let Some(pct_change_bps) = calculate_percentage_difference_bps(old_price, normalized) {
                 if pct_change_bps > max_deviation_bps {
                     return Err(Error::FlashCrashDetected);
@@ -1298,16 +1325,20 @@ impl PriceOracle {
             }
         }
 
-        enforce_price_floor(&env, &asset, normalized)?;
+        if !bypass_active {
+            enforce_price_floor(&env, &asset, normalized)?;
+        }
 
         let storage = env.storage().persistent();
         let bounds_map: soroban_sdk::Map<Symbol, PriceBounds> = storage
             .get(&DataKey::PriceBoundsData)
             .unwrap_or_else(|| soroban_sdk::Map::new(&env));
-        
-        if let Some(bounds) = bounds_map.get(asset.clone()) {
-            if normalized < bounds.min_price || normalized > bounds.max_price {
-                return Err(Error::PriceOutOfBounds);
+
+        if !bypass_active {
+            if let Some(bounds) = bounds_map.get(asset.clone()) {
+                if normalized < bounds.min_price || normalized > bounds.max_price {
+                    return Err(Error::PriceOutOfBounds);
+                }
             }
         }
 
@@ -2219,6 +2250,63 @@ impl PriceOracle {
     pub fn get_price_update_subscribers(env: Env) -> soroban_sdk::Vec<Address> {
         callbacks::get_subscribers(&env)
     }
+
+    /// Enable a 1-hour grace period during which the circuit-breaker safety
+    /// checks (flash-crash, price floor, and price bounds) are bypassed.
+    ///
+    /// Only an authorized admin may call this. The bypass expires automatically
+    /// after 3,600 seconds regardless of contract state. Returns the expiry
+    /// timestamp so callers can log or display when the window closes.
+    pub fn enable_bypass_safety_checks(env: Env, admin: Address) -> Result<u64, Error> {
+        _require_not_destroyed(&env);
+        crate::auth::_require_not_frozen(&env);
+        admin.require_auth();
+        crate::auth::_require_authorized(&env, &admin);
+
+        let expiry = env.ledger().timestamp() + 3_600;
+        crate::auth::_set_bypass_safety_checks(&env, expiry);
+
+        _log_admin_action(
+            &env,
+            &admin,
+            AdminAction::EnableBypassSafetyChecks,
+            Some(format!("expiry: {}", expiry)),
+        );
+
+        env.events().publish_event(&BypassEnabledEvent {
+            admin,
+            expiry,
+        });
+
+        Ok(expiry)
+    }
+
+    /// Immediately revoke the safety-checks bypass before its natural expiry.
+    pub fn disable_bypass_safety_checks(env: Env, admin: Address) -> Result<(), Error> {
+        _require_not_destroyed(&env);
+        admin.require_auth();
+        crate::auth::_require_authorized(&env, &admin);
+
+        crate::auth::_remove_bypass_safety_checks(&env);
+
+        _log_admin_action(
+            &env,
+            &admin,
+            AdminAction::DisableBypassSafetyChecks,
+            None,
+        );
+
+        env.events().publish_event(&BypassDisabledEvent { admin });
+
+        Ok(())
+    }
+
+    /// Return the raw expiry timestamp stored for the bypass, or `None` if never
+    /// set. Note: the bypass may be stored but already expired — callers that
+    /// care about liveness should compare against the current ledger timestamp.
+    pub fn get_bypass_safety_checks_expiry(env: Env) -> Option<u64> {
+        crate::auth::_get_bypass_expiry(&env)
+    }
 }
 
 mod asset_symbol;
diff --git a/contracts/price-oracle/src/test.rs b/contracts/price-oracle/src/test.rs
index 477ec3b..ebf7aa6 100644
--- a/contracts/price-oracle/src/test.rs
+++ b/contracts/price-oracle/src/test.rs
@@ -2464,3 +2464,137 @@ fn test_set_price_with_subscribers() {
     let price = client.get_price(&asset, &true);
     assert_eq!(price.price, 2_000_000_i128);
 }
+
+// ─────────────────────────────────────────────────────────────────────────────
+// bypass_safety_checks tests
+// ─────────────────────────────────────────────────────────────────────────────
+
+#[test]
+fn test_enable_bypass_returns_expiry_one_hour_ahead() {
+    let (env, contract_id, client) = setup();
+    let admin = Address::generate(&env);
+    set_admin(&env, &contract_id, &admin);
+
+    env.ledger().set_timestamp(1_000_000);
+    let expiry = client.enable_bypass_safety_checks(&admin);
+
+    assert_eq!(expiry, 1_000_000 + 3_600);
+}
+
+#[test]
+fn test_get_bypass_expiry_returns_stored_value() {
+    let (env, contract_id, client) = setup();
+    let admin = Address::generate(&env);
+    set_admin(&env, &contract_id, &admin);
+
+    assert!(client.get_bypass_safety_checks_expiry().is_none());
+
+    env.ledger().set_timestamp(2_000_000);
+    client.enable_bypass_safety_checks(&admin);
+
+    assert_eq!(client.get_bypass_safety_checks_expiry(), Some(2_000_000 + 3_600));
+}
+
+#[test]
+fn test_disable_bypass_clears_expiry() {
+    let (env, contract_id, client) = setup();
+    let admin = Address::generate(&env);
+    set_admin(&env, &contract_id, &admin);
+
+    env.ledger().set_timestamp(1_000_000);
+    client.enable_bypass_safety_checks(&admin);
+    assert!(client.get_bypass_safety_checks_expiry().is_some());
+
+    client.disable_bypass_safety_checks(&admin);
+    assert!(client.get_bypass_safety_checks_expiry().is_none());
+}
+
+#[test]
+fn test_bypass_allows_flash_crash_price() {
+    let (env, contract_id, client) = setup();
+    let admin = Address::generate(&env);
+    let provider = Address::generate(&env);
+    let asset = symbol_short!("NGN");
+
+    set_admin(&env, &contract_id, &admin);
+    add_provider(&env, &contract_id, &provider);
+    client.add_asset(&admin, &asset);
+
+    // Seed an initial price, then set a tight deviation limit.
+    client.set_price(&asset, &1_000_i128, &2u32, &3_600u64);
+    client.set_max_deviation_percentage(&admin, &100_i128); // 1%
+
+    // Without bypass, a 20% jump should be rejected.
+    let rejected = client.try_update_price(&provider, &asset, &1_200_i128, &2u32, &100u32, &3_600u64);
+    match rejected {
+        Err(Ok(err)) => assert_eq!(err, Error::FlashCrashDetected),
+        other => panic!("expected FlashCrashDetected, got {:?}", other),
+    }
+
+    // Enable bypass and retry — should succeed.
+    env.ledger().set_timestamp(1_000_000);
+    client.enable_bypass_safety_checks(&admin);
+    assert!(client.try_update_price(&provider, &asset, &1_200_i128, &2u32, &100u32, &3_600u64).is_ok());
+}
+
+#[test]
+fn test_bypass_allows_price_outside_bounds() {
+    let (env, contract_id, client) = setup();
+    let admin = Address::generate(&env);
+    let provider = Address::generate(&env);
+    let asset = symbol_short!("NGN");
+
+    set_admin(&env, &contract_id, &admin);
+    add_provider(&env, &contract_id, &provider);
+    client.add_asset(&admin, &asset);
+    client.set_price_bounds(&admin, &asset, &500_i128, &1_500_i128);
+
+    // Seed a price within bounds so deviation check passes.
+    client.set_price(&asset, &1_000_i128, &2u32, &3_600u64);
+
+    // Enable bypass and submit a price above max_price.
+    env.ledger().set_timestamp(1_000_000);
+    client.enable_bypass_safety_checks(&admin);
+    assert!(client.try_update_price(&provider, &asset, &2_000_i128, &2u32, &100u32, &3_600u64).is_ok());
+}
+
+#[test]
+fn test_bypass_expires_and_circuit_breaker_resumes() {
+    let (env, contract_id, client) = setup();
+    let admin = Address::generate(&env);
+    let provider = Address::generate(&env);
+    let asset = symbol_short!("NGN");
+
+    set_admin(&env, &contract_id, &admin);
+    add_provider(&env, &contract_id, &provider);
+    client.add_asset(&admin, &asset);
+    client.set_price(&asset, &1_000_i128, &2u32, &3_600u64);
+    client.set_max_deviation_percentage(&admin, &100_i128); // 1%
+
+    // Enable bypass at t=1000.
+    env.ledger().set_timestamp(1_000);
+    client.enable_bypass_safety_checks(&admin);
+
+    // Advance clock past the 1-hour expiry.
+    env.ledger().set_timestamp(1_000 + 3_601);
+
+    // Circuit breaker should be active again.
+    let result = client.try_update_price(&provider, &asset, &1_200_i128, &2u32, &100u32, &3_600u64);
+    match result {
+        Err(Ok(err)) => assert_eq!(err, Error::FlashCrashDetected),
+        other => panic!("expected FlashCrashDetected after bypass expiry, got {:?}", other),
+    }
+}
+
+#[test]
+#[should_panic]
+fn test_enable_bypass_requires_admin() {
+    let (env, contract_id, client) = setup();
+    let admin = Address::generate(&env);
+    let non_admin = Address::generate(&env);
+    set_admin(&env, &contract_id, &admin);
+
+    env.ledger().set_timestamp(1_000_000);
+    // non_admin is not in the admin list — should panic.
+    client.enable_bypass_safety_checks(&non_admin);
+}
diff --git a/contracts/price-oracle/src/types.rs b/contracts/price-oracle/src/types.rs
index a9b095d..05d8427 100644
--- a/contracts/price-oracle/src/types.rs
+++ b/contracts/price-oracle/src/types.rs
@@ -200,6 +200,10 @@ pub enum AdminAction {
     VoteForAction,
     /// Multi-sig: Cancel a proposed action
     CancelAction,
+    /// Admin enabled the safety-checks grace-period bypass
+    EnableBypassSafetyChecks,
+    /// Admin disabled the safety-checks grace-period bypass
+    DisableBypassSafetyChecks,
 }
 
 /// Admin log entry for tracking admin actions.