diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.d.ts b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.d.ts
index 58a5712000..ca7baf384e 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.d.ts
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.d.ts
@@ -113,7 +113,7 @@ export interface Client {
     /**
      * Construct and simulate a u32_fail_on_even transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    u32FailOnEven: ({ u32_ }: {
+    u32_fail_on_even: ({ u32_ }: {
         u32_: u32;
     }, options?: {
         /**
@@ -132,7 +132,7 @@ export interface Client {
     /**
      * Construct and simulate a u32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    u32: ({ u32_ }: {
+    u32_: ({ u32_ }: {
         u32_: u32;
     }, options?: {
         /**
@@ -151,7 +151,7 @@ export interface Client {
     /**
      * Construct and simulate a i32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    i32: ({ i32_ }: {
+    i32_: ({ i32_ }: {
         i32_: i32;
     }, options?: {
         /**
@@ -170,7 +170,7 @@ export interface Client {
     /**
      * Construct and simulate a i64_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    i64: ({ i64_ }: {
+    i64_: ({ i64_ }: {
         i64_: i64;
     }, options?: {
         /**
@@ -190,7 +190,7 @@ export interface Client {
      * Construct and simulate a strukt_hel transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.   *
      * Example contract method which takes a struct
      */
-    struktHel: ({ strukt }: {
+    strukt_hel: ({ strukt }: {
         strukt: Test;
     }, options?: {
         /**
@@ -304,7 +304,7 @@ export interface Client {
     /**
      * Construct and simulate a bytes_n transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    bytesN: ({ bytes_n }: {
+    bytes_n: ({ bytes_n }: {
         bytes_n: Buffer;
     }, options?: {
         /**
@@ -419,7 +419,7 @@ export interface Client {
     /**
      * Construct and simulate a multi_args transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    multiArgs: ({ a, b }: {
+    multi_args: ({ a, b }: {
         a: u32;
         b: boolean;
     }, options?: {
@@ -573,7 +573,7 @@ export interface Client {
     /**
      * Construct and simulate a tuple_strukt transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    tupleStrukt: ({ tuple_strukt }: {
+    tuple_strukt: ({ tuple_strukt }: {
         tuple_strukt: TupleStruct;
     }, options?: {
         /**
@@ -597,23 +597,23 @@ export declare class Client extends ContractClient {
         hello: (json: string) => AssembledTransaction<string>;
         woid: (json: string) => AssembledTransaction<null>;
         val: (json: string) => AssembledTransaction<any>;
-        u32FailOnEven: (json: string) => AssembledTransaction<Result<number, import("@stellar/stellar-sdk/lib/rust_types/result").ErrorMessage>>;
-        u32: (json: string) => AssembledTransaction<number>;
-        i32: (json: string) => AssembledTransaction<number>;
-        i64: (json: string) => AssembledTransaction<bigint>;
-        struktHel: (json: string) => AssembledTransaction<string[]>;
+        u32_fail_on_even: (json: string) => AssembledTransaction<Result<number, import("@stellar/stellar-sdk/lib/rust_types/result").ErrorMessage>>;
+        u32_: (json: string) => AssembledTransaction<number>;
+        i32_: (json: string) => AssembledTransaction<number>;
+        i64_: (json: string) => AssembledTransaction<bigint>;
+        strukt_hel: (json: string) => AssembledTransaction<string[]>;
         strukt: (json: string) => AssembledTransaction<Test>;
         simple: (json: string) => AssembledTransaction<SimpleEnum>;
         complex: (json: string) => AssembledTransaction<ComplexEnum>;
         addresse: (json: string) => AssembledTransaction<string>;
         bytes: (json: string) => AssembledTransaction<Buffer>;
-        bytesN: (json: string) => AssembledTransaction<Buffer>;
+        bytes_n: (json: string) => AssembledTransaction<Buffer>;
         card: (json: string) => AssembledTransaction<RoyalCard>;
         boolean: (json: string) => AssembledTransaction<boolean>;
         not: (json: string) => AssembledTransaction<boolean>;
         i128: (json: string) => AssembledTransaction<bigint>;
         u128: (json: string) => AssembledTransaction<bigint>;
-        multiArgs: (json: string) => AssembledTransaction<number>;
+        multi_args: (json: string) => AssembledTransaction<number>;
         map: (json: string) => AssembledTransaction<Map<number, boolean>>;
         vec: (json: string) => AssembledTransaction<number[]>;
         tuple: (json: string) => AssembledTransaction<readonly [string, number]>;
@@ -621,6 +621,6 @@ export declare class Client extends ContractClient {
         u256: (json: string) => AssembledTransaction<bigint>;
         i256: (json: string) => AssembledTransaction<bigint>;
         string: (json: string) => AssembledTransaction<string>;
-        tupleStrukt: (json: string) => AssembledTransaction<TupleStruct>;
+        tuple_strukt: (json: string) => AssembledTransaction<TupleStruct>;
     };
 }
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.js b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.js
index 18ae74e3f5..3ef56d5536 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.js
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/cjs/index.js
@@ -83,23 +83,23 @@ class Client extends index_js_1.ContractClient {
         hello: (this.txFromJSON),
         woid: (this.txFromJSON),
         val: (this.txFromJSON),
-        u32FailOnEven: (this.txFromJSON),
-        u32: (this.txFromJSON),
-        i32: (this.txFromJSON),
-        i64: (this.txFromJSON),
-        struktHel: (this.txFromJSON),
+        u32_fail_on_even: (this.txFromJSON),
+        u32_: (this.txFromJSON),
+        i32_: (this.txFromJSON),
+        i64_: (this.txFromJSON),
+        strukt_hel: (this.txFromJSON),
         strukt: (this.txFromJSON),
         simple: (this.txFromJSON),
         complex: (this.txFromJSON),
         addresse: (this.txFromJSON),
         bytes: (this.txFromJSON),
-        bytesN: (this.txFromJSON),
+        bytes_n: (this.txFromJSON),
         card: (this.txFromJSON),
         boolean: (this.txFromJSON),
         not: (this.txFromJSON),
         i128: (this.txFromJSON),
         u128: (this.txFromJSON),
-        multiArgs: (this.txFromJSON),
+        multi_args: (this.txFromJSON),
         map: (this.txFromJSON),
         vec: (this.txFromJSON),
         tuple: (this.txFromJSON),
@@ -107,7 +107,7 @@ class Client extends index_js_1.ContractClient {
         u256: (this.txFromJSON),
         i256: (this.txFromJSON),
         string: (this.txFromJSON),
-        tupleStrukt: (this.txFromJSON)
+        tuple_strukt: (this.txFromJSON)
     };
 }
 exports.Client = Client;
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.d.ts b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.d.ts
index 58a5712000..ca7baf384e 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.d.ts
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.d.ts
@@ -113,7 +113,7 @@ export interface Client {
     /**
      * Construct and simulate a u32_fail_on_even transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    u32FailOnEven: ({ u32_ }: {
+    u32_fail_on_even: ({ u32_ }: {
         u32_: u32;
     }, options?: {
         /**
@@ -132,7 +132,7 @@ export interface Client {
     /**
      * Construct and simulate a u32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    u32: ({ u32_ }: {
+    u32_: ({ u32_ }: {
         u32_: u32;
     }, options?: {
         /**
@@ -151,7 +151,7 @@ export interface Client {
     /**
      * Construct and simulate a i32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    i32: ({ i32_ }: {
+    i32_: ({ i32_ }: {
         i32_: i32;
     }, options?: {
         /**
@@ -170,7 +170,7 @@ export interface Client {
     /**
      * Construct and simulate a i64_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    i64: ({ i64_ }: {
+    i64_: ({ i64_ }: {
         i64_: i64;
     }, options?: {
         /**
@@ -190,7 +190,7 @@ export interface Client {
      * Construct and simulate a strukt_hel transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.   *
      * Example contract method which takes a struct
      */
-    struktHel: ({ strukt }: {
+    strukt_hel: ({ strukt }: {
         strukt: Test;
     }, options?: {
         /**
@@ -304,7 +304,7 @@ export interface Client {
     /**
      * Construct and simulate a bytes_n transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    bytesN: ({ bytes_n }: {
+    bytes_n: ({ bytes_n }: {
         bytes_n: Buffer;
     }, options?: {
         /**
@@ -419,7 +419,7 @@ export interface Client {
     /**
      * Construct and simulate a multi_args transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    multiArgs: ({ a, b }: {
+    multi_args: ({ a, b }: {
         a: u32;
         b: boolean;
     }, options?: {
@@ -573,7 +573,7 @@ export interface Client {
     /**
      * Construct and simulate a tuple_strukt transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    tupleStrukt: ({ tuple_strukt }: {
+    tuple_strukt: ({ tuple_strukt }: {
         tuple_strukt: TupleStruct;
     }, options?: {
         /**
@@ -597,23 +597,23 @@ export declare class Client extends ContractClient {
         hello: (json: string) => AssembledTransaction<string>;
         woid: (json: string) => AssembledTransaction<null>;
         val: (json: string) => AssembledTransaction<any>;
-        u32FailOnEven: (json: string) => AssembledTransaction<Result<number, import("@stellar/stellar-sdk/lib/rust_types/result").ErrorMessage>>;
-        u32: (json: string) => AssembledTransaction<number>;
-        i32: (json: string) => AssembledTransaction<number>;
-        i64: (json: string) => AssembledTransaction<bigint>;
-        struktHel: (json: string) => AssembledTransaction<string[]>;
+        u32_fail_on_even: (json: string) => AssembledTransaction<Result<number, import("@stellar/stellar-sdk/lib/rust_types/result").ErrorMessage>>;
+        u32_: (json: string) => AssembledTransaction<number>;
+        i32_: (json: string) => AssembledTransaction<number>;
+        i64_: (json: string) => AssembledTransaction<bigint>;
+        strukt_hel: (json: string) => AssembledTransaction<string[]>;
         strukt: (json: string) => AssembledTransaction<Test>;
         simple: (json: string) => AssembledTransaction<SimpleEnum>;
         complex: (json: string) => AssembledTransaction<ComplexEnum>;
         addresse: (json: string) => AssembledTransaction<string>;
         bytes: (json: string) => AssembledTransaction<Buffer>;
-        bytesN: (json: string) => AssembledTransaction<Buffer>;
+        bytes_n: (json: string) => AssembledTransaction<Buffer>;
         card: (json: string) => AssembledTransaction<RoyalCard>;
         boolean: (json: string) => AssembledTransaction<boolean>;
         not: (json: string) => AssembledTransaction<boolean>;
         i128: (json: string) => AssembledTransaction<bigint>;
         u128: (json: string) => AssembledTransaction<bigint>;
-        multiArgs: (json: string) => AssembledTransaction<number>;
+        multi_args: (json: string) => AssembledTransaction<number>;
         map: (json: string) => AssembledTransaction<Map<number, boolean>>;
         vec: (json: string) => AssembledTransaction<number[]>;
         tuple: (json: string) => AssembledTransaction<readonly [string, number]>;
@@ -621,6 +621,6 @@ export declare class Client extends ContractClient {
         u256: (json: string) => AssembledTransaction<bigint>;
         i256: (json: string) => AssembledTransaction<bigint>;
         string: (json: string) => AssembledTransaction<string>;
-        tupleStrukt: (json: string) => AssembledTransaction<TupleStruct>;
+        tuple_strukt: (json: string) => AssembledTransaction<TupleStruct>;
     };
 }
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.js b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.js
index df40e6ec43..e0de8f7259 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.js
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/esm/index.js
@@ -66,23 +66,23 @@ export class Client extends ContractClient {
         hello: (this.txFromJSON),
         woid: (this.txFromJSON),
         val: (this.txFromJSON),
-        u32FailOnEven: (this.txFromJSON),
-        u32: (this.txFromJSON),
-        i32: (this.txFromJSON),
-        i64: (this.txFromJSON),
-        struktHel: (this.txFromJSON),
+        u32_fail_on_even: (this.txFromJSON),
+        u32_: (this.txFromJSON),
+        i32_: (this.txFromJSON),
+        i64_: (this.txFromJSON),
+        strukt_hel: (this.txFromJSON),
         strukt: (this.txFromJSON),
         simple: (this.txFromJSON),
         complex: (this.txFromJSON),
         addresse: (this.txFromJSON),
         bytes: (this.txFromJSON),
-        bytesN: (this.txFromJSON),
+        bytes_n: (this.txFromJSON),
         card: (this.txFromJSON),
         boolean: (this.txFromJSON),
         not: (this.txFromJSON),
         i128: (this.txFromJSON),
         u128: (this.txFromJSON),
-        multiArgs: (this.txFromJSON),
+        multi_args: (this.txFromJSON),
         map: (this.txFromJSON),
         vec: (this.txFromJSON),
         tuple: (this.txFromJSON),
@@ -90,6 +90,6 @@ export class Client extends ContractClient {
         u256: (this.txFromJSON),
         i256: (this.txFromJSON),
         string: (this.txFromJSON),
-        tupleStrukt: (this.txFromJSON)
+        tuple_strukt: (this.txFromJSON)
     };
 }
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/types/index.d.ts b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/types/index.d.ts
index 58a5712000..ca7baf384e 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/types/index.d.ts
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/dist/types/index.d.ts
@@ -113,7 +113,7 @@ export interface Client {
     /**
      * Construct and simulate a u32_fail_on_even transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    u32FailOnEven: ({ u32_ }: {
+    u32_fail_on_even: ({ u32_ }: {
         u32_: u32;
     }, options?: {
         /**
@@ -132,7 +132,7 @@ export interface Client {
     /**
      * Construct and simulate a u32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    u32: ({ u32_ }: {
+    u32_: ({ u32_ }: {
         u32_: u32;
     }, options?: {
         /**
@@ -151,7 +151,7 @@ export interface Client {
     /**
      * Construct and simulate a i32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    i32: ({ i32_ }: {
+    i32_: ({ i32_ }: {
         i32_: i32;
     }, options?: {
         /**
@@ -170,7 +170,7 @@ export interface Client {
     /**
      * Construct and simulate a i64_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    i64: ({ i64_ }: {
+    i64_: ({ i64_ }: {
         i64_: i64;
     }, options?: {
         /**
@@ -190,7 +190,7 @@ export interface Client {
      * Construct and simulate a strukt_hel transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.   *
      * Example contract method which takes a struct
      */
-    struktHel: ({ strukt }: {
+    strukt_hel: ({ strukt }: {
         strukt: Test;
     }, options?: {
         /**
@@ -304,7 +304,7 @@ export interface Client {
     /**
      * Construct and simulate a bytes_n transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    bytesN: ({ bytes_n }: {
+    bytes_n: ({ bytes_n }: {
         bytes_n: Buffer;
     }, options?: {
         /**
@@ -419,7 +419,7 @@ export interface Client {
     /**
      * Construct and simulate a multi_args transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    multiArgs: ({ a, b }: {
+    multi_args: ({ a, b }: {
         a: u32;
         b: boolean;
     }, options?: {
@@ -573,7 +573,7 @@ export interface Client {
     /**
      * Construct and simulate a tuple_strukt transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
      */
-    tupleStrukt: ({ tuple_strukt }: {
+    tuple_strukt: ({ tuple_strukt }: {
         tuple_strukt: TupleStruct;
     }, options?: {
         /**
@@ -597,23 +597,23 @@ export declare class Client extends ContractClient {
         hello: (json: string) => AssembledTransaction<string>;
         woid: (json: string) => AssembledTransaction<null>;
         val: (json: string) => AssembledTransaction<any>;
-        u32FailOnEven: (json: string) => AssembledTransaction<Result<number, import("@stellar/stellar-sdk/lib/rust_types/result").ErrorMessage>>;
-        u32: (json: string) => AssembledTransaction<number>;
-        i32: (json: string) => AssembledTransaction<number>;
-        i64: (json: string) => AssembledTransaction<bigint>;
-        struktHel: (json: string) => AssembledTransaction<string[]>;
+        u32_fail_on_even: (json: string) => AssembledTransaction<Result<number, import("@stellar/stellar-sdk/lib/rust_types/result").ErrorMessage>>;
+        u32_: (json: string) => AssembledTransaction<number>;
+        i32_: (json: string) => AssembledTransaction<number>;
+        i64_: (json: string) => AssembledTransaction<bigint>;
+        strukt_hel: (json: string) => AssembledTransaction<string[]>;
         strukt: (json: string) => AssembledTransaction<Test>;
         simple: (json: string) => AssembledTransaction<SimpleEnum>;
         complex: (json: string) => AssembledTransaction<ComplexEnum>;
         addresse: (json: string) => AssembledTransaction<string>;
         bytes: (json: string) => AssembledTransaction<Buffer>;
-        bytesN: (json: string) => AssembledTransaction<Buffer>;
+        bytes_n: (json: string) => AssembledTransaction<Buffer>;
         card: (json: string) => AssembledTransaction<RoyalCard>;
         boolean: (json: string) => AssembledTransaction<boolean>;
         not: (json: string) => AssembledTransaction<boolean>;
         i128: (json: string) => AssembledTransaction<bigint>;
         u128: (json: string) => AssembledTransaction<bigint>;
-        multiArgs: (json: string) => AssembledTransaction<number>;
+        multi_args: (json: string) => AssembledTransaction<number>;
         map: (json: string) => AssembledTransaction<Map<number, boolean>>;
         vec: (json: string) => AssembledTransaction<number[]>;
         tuple: (json: string) => AssembledTransaction<readonly [string, number]>;
@@ -621,6 +621,6 @@ export declare class Client extends ContractClient {
         u256: (json: string) => AssembledTransaction<bigint>;
         i256: (json: string) => AssembledTransaction<bigint>;
         string: (json: string) => AssembledTransaction<string>;
-        tupleStrukt: (json: string) => AssembledTransaction<TupleStruct>;
+        tuple_strukt: (json: string) => AssembledTransaction<TupleStruct>;
     };
 }
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json
index 2261fc9671..adf57362af 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package-lock.json
@@ -9,7 +9,7 @@
             "version": "0.0.0",
             "dependencies": {
                 "@stellar/freighter-api": "2.0.0",
-                "@stellar/stellar-sdk": "stellar/js-stellar-sdk#bindings",
+                "@stellar/stellar-sdk": "AhaLabs/js-stellar-sdk#fix/no-jsification",
                 "buffer": "6.0.3"
             },
             "devDependencies": {
@@ -45,7 +45,7 @@
         },
         "node_modules/@stellar/stellar-sdk": {
             "version": "11.2.2",
-            "resolved": "git+ssh://git@github.com/stellar/js-stellar-sdk.git#bdf74951f89bbc9bd48179b4a7a4ad33db570643",
+            "resolved": "git+ssh://git@github.com/AhaLabs/js-stellar-sdk.git#3450acb5c658f90bf05d27820fcf23bddd14b0dc",
             "license": "Apache-2.0",
             "dependencies": {
                 "@stellar/stellar-base": "^11.0.0",
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json
index 042f8c02b9..69ff4abbf6 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/package.json
@@ -4,7 +4,7 @@
     "dependencies": {
         "@stellar/freighter-api": "2.0.0",
         "buffer": "6.0.3",
-        "@stellar/stellar-sdk": "stellar/js-stellar-sdk#bindings"
+        "@stellar/stellar-sdk": "AhaLabs/js-stellar-sdk#fix/no-jsification"
     },
     "scripts": {
         "build": "node ./scripts/build.mjs"
diff --git a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/src/index.ts b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/src/index.ts
index 9fd5e51f94..2ad154c3a4 100644
--- a/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/src/index.ts
+++ b/cmd/crates/soroban-spec-typescript/fixtures/test_custom_types/src/index.ts
@@ -125,7 +125,7 @@ export interface Client {
   /**
    * Construct and simulate a u32_fail_on_even transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
    */
-  u32FailOnEven: ({u32_}: {u32_: u32}, options?: {
+  u32_fail_on_even: ({u32_}: {u32_: u32}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -145,7 +145,7 @@ export interface Client {
   /**
    * Construct and simulate a u32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
    */
-  u32: ({u32_}: {u32_: u32}, options?: {
+  u32_: ({u32_}: {u32_: u32}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -165,7 +165,7 @@ export interface Client {
   /**
    * Construct and simulate a i32_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
    */
-  i32: ({i32_}: {i32_: i32}, options?: {
+  i32_: ({i32_}: {i32_: i32}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -185,7 +185,7 @@ export interface Client {
   /**
    * Construct and simulate a i64_ transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
    */
-  i64: ({i64_}: {i64_: i64}, options?: {
+  i64_: ({i64_}: {i64_: i64}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -206,7 +206,7 @@ export interface Client {
    * Construct and simulate a strukt_hel transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.   *
    * Example contract method which takes a struct
    */
-  struktHel: ({strukt}: {strukt: Test}, options?: {
+  strukt_hel: ({strukt}: {strukt: Test}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -326,7 +326,7 @@ export interface Client {
   /**
    * Construct and simulate a bytes_n transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
    */
-  bytesN: ({bytes_n}: {bytes_n: Buffer}, options?: {
+  bytes_n: ({bytes_n}: {bytes_n: Buffer}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -447,7 +447,7 @@ export interface Client {
   /**
    * Construct and simulate a multi_args transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
    */
-  multiArgs: ({a, b}: {a: u32, b: boolean}, options?: {
+  multi_args: ({a, b}: {a: u32, b: boolean}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -608,7 +608,7 @@ export interface Client {
   /**
    * Construct and simulate a tuple_strukt transaction. Returns an `AssembledTransaction` object which will have a `result` field containing the result of the simulation. If this transaction changes contract state, you will need to call `signAndSend()` on the returned object.
    */
-  tupleStrukt: ({tuple_strukt}: {tuple_strukt: TupleStruct}, options?: {
+  tuple_strukt: ({tuple_strukt}: {tuple_strukt: TupleStruct}, options?: {
     /**
      * The fee to pay for the transaction. Default: BASE_FEE
      */
@@ -670,23 +670,23 @@ export class Client extends ContractClient {
     hello: this.txFromJSON<string>,
         woid: this.txFromJSON<null>,
         val: this.txFromJSON<any>,
-        u32FailOnEven: this.txFromJSON<Result<u32>>,
-        u32: this.txFromJSON<u32>,
-        i32: this.txFromJSON<i32>,
-        i64: this.txFromJSON<i64>,
-        struktHel: this.txFromJSON<Array<string>>,
+        u32_fail_on_even: this.txFromJSON<Result<u32>>,
+        u32_: this.txFromJSON<u32>,
+        i32_: this.txFromJSON<i32>,
+        i64_: this.txFromJSON<i64>,
+        strukt_hel: this.txFromJSON<Array<string>>,
         strukt: this.txFromJSON<Test>,
         simple: this.txFromJSON<SimpleEnum>,
         complex: this.txFromJSON<ComplexEnum>,
         addresse: this.txFromJSON<string>,
         bytes: this.txFromJSON<Buffer>,
-        bytesN: this.txFromJSON<Buffer>,
+        bytes_n: this.txFromJSON<Buffer>,
         card: this.txFromJSON<RoyalCard>,
         boolean: this.txFromJSON<boolean>,
         not: this.txFromJSON<boolean>,
         i128: this.txFromJSON<i128>,
         u128: this.txFromJSON<u128>,
-        multiArgs: this.txFromJSON<u32>,
+        multi_args: this.txFromJSON<u32>,
         map: this.txFromJSON<Map<u32, boolean>>,
         vec: this.txFromJSON<Array<u32>>,
         tuple: this.txFromJSON<readonly [string, u32]>,
@@ -694,6 +694,6 @@ export class Client extends ContractClient {
         u256: this.txFromJSON<u256>,
         i256: this.txFromJSON<i256>,
         string: this.txFromJSON<string>,
-        tupleStrukt: this.txFromJSON<TupleStruct>
+        tuple_strukt: this.txFromJSON<TupleStruct>
   }
 }
\ No newline at end of file
diff --git a/cmd/crates/soroban-spec-typescript/src/lib.rs b/cmd/crates/soroban-spec-typescript/src/lib.rs
index f80aa55e79..709478bca0 100644
--- a/cmd/crates/soroban-spec-typescript/src/lib.rs
+++ b/cmd/crates/soroban-spec-typescript/src/lib.rs
@@ -7,7 +7,6 @@
 use std::{fs, io};
 
 use crate::types::Type;
-use heck::ToLowerCamelCase;
 use itertools::Itertools;
 use sha2::{Digest, Sha256};
 use stellar_xdr::curr::{Limits, ScSpecEntry, WriteXdr};
@@ -152,13 +151,9 @@ const METHOD_OPTIONS: &str = r"{
     simulate?: boolean;
   }";
 
-fn jsify_name(name: &String) -> String {
-    name.to_lower_camel_case()
-}
-
 pub fn entry_to_name_and_return_type(entry: &Entry) -> Option<(String, String)> {
     if let Entry::Function { name, outputs, .. } = entry {
-        Some((jsify_name(name), outputs_to_return_type(outputs)))
+        Some((name.to_owned(), outputs_to_return_type(outputs)))
     } else {
         None
     }
@@ -191,12 +186,11 @@ pub fn entry_to_method_type(entry: &Entry) -> String {
                 })
                 .unwrap_or_default();
             let doc = doc_to_ts_doc(doc, Some(name));
-            let js_name = jsify_name(name);
             let return_type = outputs_to_return_type(outputs);
             format!(
                 r#"
   {doc}
-  {js_name}: ({input}options?: {METHOD_OPTIONS}) => Promise<AssembledTransaction<{return_type}>>
+  {name}: ({input}options?: {METHOD_OPTIONS}) => Promise<AssembledTransaction<{return_type}>>
 "#
             )
         }
diff --git a/cmd/crates/soroban-spec-typescript/src/project_template/package.json b/cmd/crates/soroban-spec-typescript/src/project_template/package.json
index 1fd6a6718e..24fd2e637f 100644
--- a/cmd/crates/soroban-spec-typescript/src/project_template/package.json
+++ b/cmd/crates/soroban-spec-typescript/src/project_template/package.json
@@ -4,7 +4,7 @@
     "dependencies": {
         "@stellar/freighter-api": "2.0.0",
         "buffer": "6.0.3",
-        "@stellar/stellar-sdk": "stellar/js-stellar-sdk#bindings"
+        "@stellar/stellar-sdk": "AhaLabs/js-stellar-sdk#fix/no-jsification"
     },
     "scripts": {
         "build": "node ./scripts/build.mjs"
diff --git a/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json b/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json
index 0147ef4f12..401e4213b3 100644
--- a/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json
+++ b/cmd/crates/soroban-spec-typescript/ts-tests/package-lock.json
@@ -7,7 +7,7 @@
       "hasInstallScript": true,
       "devDependencies": {
         "@ava/typescript": "^4.1.0",
-        "@stellar/stellar-sdk": "stellar/js-stellar-sdk#bindings",
+        "@stellar/stellar-sdk": "AhaLabs/js-stellar-sdk#fix/no-jsification",
         "@types/node": "^20.4.9",
         "@typescript-eslint/eslint-plugin": "^6.10.0",
         "@typescript-eslint/parser": "^6.10.0",
@@ -233,7 +233,7 @@
     },
     "node_modules/@stellar/stellar-sdk": {
       "version": "11.2.2",
-      "resolved": "git+ssh://git@github.com/stellar/js-stellar-sdk.git#bdf74951f89bbc9bd48179b4a7a4ad33db570643",
+      "resolved": "git+ssh://git@github.com/AhaLabs/js-stellar-sdk.git#3450acb5c658f90bf05d27820fcf23bddd14b0dc",
       "dev": true,
       "license": "Apache-2.0",
       "dependencies": {
diff --git a/cmd/crates/soroban-spec-typescript/ts-tests/package.json b/cmd/crates/soroban-spec-typescript/ts-tests/package.json
index 6767934340..cda7e2974a 100644
--- a/cmd/crates/soroban-spec-typescript/ts-tests/package.json
+++ b/cmd/crates/soroban-spec-typescript/ts-tests/package.json
@@ -14,7 +14,7 @@
     "ava": "^5.3.1",
     "dotenv": "^16.3.1",
     "eslint": "^8.53.0",
-    "@stellar/stellar-sdk": "stellar/js-stellar-sdk#bindings",
+    "@stellar/stellar-sdk": "AhaLabs/js-stellar-sdk#fix/no-jsification",
     "typescript": "^5.3.3"
   },
   "ava": {
diff --git a/cmd/crates/soroban-spec-typescript/ts-tests/src/test-custom-types.ts b/cmd/crates/soroban-spec-typescript/ts-tests/src/test-custom-types.ts
index c5643f920f..6fc3388cff 100644
--- a/cmd/crates/soroban-spec-typescript/ts-tests/src/test-custom-types.ts
+++ b/cmd/crates/soroban-spec-typescript/ts-tests/src/test-custom-types.ts
@@ -24,33 +24,30 @@ test('woid', async t => {
 
 test('u32_fail_on_even', async t => {
   t.deepEqual(
-    (await contract.u32FailOnEven({ u32_: 1 })).result,
+    (await contract.u32_fail_on_even({ u32_: 1 })).result,
     new Ok(1)
   )
   t.deepEqual(
-    (await contract.u32FailOnEven({ u32_: 0 })).result,
+    (await contract.u32_fail_on_even({ u32_: 0 })).result,
     new Err({ message: "Please provide an odd number" })
   )
 })
 
 test('u32_', async t => {
-  // @ts-expect-error "heck" crate's `to_lower_camel_case` mismatches our `toLowerCamelCase` in stellar-sdk!
   t.is((await contract.u32_({ u32_: 1 })).result, 1)
 })
 
 test('i32_', async t => {
-  // @ts-expect-error "heck" crate's `to_lower_camel_case` mismatches our `toLowerCamelCase` in stellar-sdk!
   t.is((await contract.i32_({ i32_: 1 })).result, 1)
 })
 
 test('i64_', async t => {
-  // @ts-expect-error "heck" crate's `to_lower_camel_case` mismatches our `toLowerCamelCase` in stellar-sdk!
   t.is((await contract.i64_({ i64_: 1n })).result, 1n)
 })
 
 test("strukt_hel", async (t) => {
   const test = { a: 0, b: true, c: "world" }
-  t.deepEqual((await contract.struktHel({ strukt: test })).result, ["Hello", "world"])
+  t.deepEqual((await contract.strukt_hel({ strukt: test })).result, ["Hello", "world"])
 })
 
 test("strukt", async (t) => {
@@ -117,7 +114,7 @@ test('bytes', async t => {
 
 test('bytes_n', async t => {
   const bytes_n = Buffer.from('123456789') // what's the correct way to construct bytes_n?
-  t.deepEqual((await contract.bytesN({ bytes_n })).result, bytes_n)
+  t.deepEqual((await contract.bytes_n({ bytes_n })).result, bytes_n)
 })
 
 test('card', async t => {
@@ -142,8 +139,8 @@ test('u128', async t => {
 })
 
 test('multi_args', async t => {
-  t.is((await contract.multiArgs({ a: 1, b: true })).result, 1)
-  t.is((await contract.multiArgs({ a: 1, b: false })).result, 0)
+  t.is((await contract.multi_args({ a: 1, b: true })).result, 1)
+  t.is((await contract.multi_args({ a: 1, b: false })).result, 0)
 })
 
 test('map', async t => {
@@ -193,5 +190,5 @@ test('string', async t => {
 test('tuple_strukt', async t => {
   const arg = [{ a: 0, b: true, c: 'hello' }, { tag: 'First', values: undefined }] as const
   const res = [{ a: 0, b: true, c: 'hello' }, { tag: 'First' }]
-  t.deepEqual((await contract.tupleStrukt({ tuple_strukt: arg })).result, res)
+  t.deepEqual((await contract.tuple_strukt({ tuple_strukt: arg })).result, res)
 })
diff --git a/cmd/crates/soroban-spec-typescript/ts-tests/src/test-hello-world.ts b/cmd/crates/soroban-spec-typescript/ts-tests/src/test-hello-world.ts
index 9fe15466a1..7dd9ff4b37 100644
--- a/cmd/crates/soroban-spec-typescript/ts-tests/src/test-hello-world.ts
+++ b/cmd/crates/soroban-spec-typescript/ts-tests/src/test-hello-world.ts
@@ -25,8 +25,8 @@ test("auth", async (t) => {
 });
 
 test("inc", async (t) => {
-  const { result: startingBalance } = await contract.getCount()
+  const { result: startingBalance } = await contract.get_count()
   const inc = await contract.inc()
   t.is((await inc.signAndSend()).result, startingBalance + 1)
-  t.is((await contract.getCount()).result, startingBalance + 1)
+  t.is((await contract.get_count()).result, startingBalance + 1)
 });