diff --git a/sphinx-ffi/Cargo.toml b/sphinx-ffi/Cargo.toml
index fa1918c..9cabc28 100644
--- a/sphinx-ffi/Cargo.toml
+++ b/sphinx-ffi/Cargo.toml
@@ -25,7 +25,7 @@ sphinx-signer = { path = "../signer", default-features = false, features = [
     "no-native",
 ] }
 sphinx-glyph = { path = "../glyph", default-features = false }
-sphinx = { git = "https://github.com/stakwork/sphinx", rev = "768a010bc4e7e5807dd679819faf39c94f7eeab6", features = [
+sphinx = { git = "https://github.com/stakwork/sphinx", rev = "611b0328fadef059abac68652db22fe2d765730e", features = [
     "msg",
     "bindings",
     "macaroon",
diff --git a/sphinx-ffi/src/auto.rs b/sphinx-ffi/src/auto.rs
index 37560c5..eaccb1a 100644
--- a/sphinx-ffi/src/auto.rs
+++ b/sphinx-ffi/src/auto.rs
@@ -639,14 +639,23 @@ pub fn get_mutes(seed: String, unique_time: String, full_state: Vec<u8>) -> Resu
         .into())
 }
 
+pub fn decrypt_child_index(encrypted_child: String, push_key: String) -> Result<u64> {
+    Ok(
+        bindings::decode_encrypted_child_idx(&encrypted_child, &push_key)
+            .map_err(|e| SphinxError::SendFailed { r: e.to_string() })?
+            .into(),
+    )
+}
+
 pub fn set_push_token(
     seed: String,
     unique_time: String,
     full_state: Vec<u8>,
     push_token: String,
+    push_key: String,
 ) -> Result<RunReturn> {
     Ok(
-        bindings::set_push_token(&seed, &unique_time, &full_state, &push_token)
+        bindings::set_push_token(&seed, &unique_time, &full_state, &push_token, &push_key)
             .map_err(|e| SphinxError::SendFailed { r: e.to_string() })?
             .into(),
     )
diff --git a/sphinx-ffi/src/sphinxrs.swift b/sphinx-ffi/src/sphinxrs.swift
index 9258d48..cb577c9 100644
--- a/sphinx-ffi/src/sphinxrs.swift
+++ b/sphinx-ffi/src/sphinxrs.swift
@@ -2455,14 +2455,25 @@ public func `getMutes`(`seed`: String, `uniqueTime`: String, `state`: Data) thro
     )
 }
 
-public func `setPushToken`(`seed`: String, `uniqueTime`: String, `state`: Data, `pushToken`: String) throws -> RunReturn {
+public func `setPushToken`(`seed`: String, `uniqueTime`: String, `state`: Data, `pushToken`: String, `pushKey`: String) throws -> RunReturn {
     return try  FfiConverterTypeRunReturn.lift(
         try rustCallWithError(FfiConverterTypeSphinxError.lift) {
     uniffi_sphinxrs_fn_func_set_push_token(
         FfiConverterString.lower(`seed`),
         FfiConverterString.lower(`uniqueTime`),
         FfiConverterData.lower(`state`),
-        FfiConverterString.lower(`pushToken`),$0)
+        FfiConverterString.lower(`pushToken`),
+        FfiConverterString.lower(`pushKey`),$0)
+}
+    )
+}
+
+public func `decryptChildIndex`(`encryptedChild`: String, `pushKey`: String) throws -> UInt64 {
+    return try  FfiConverterUInt64.lift(
+        try rustCallWithError(FfiConverterTypeSphinxError.lift) {
+    uniffi_sphinxrs_fn_func_decrypt_child_index(
+        FfiConverterString.lower(`encryptedChild`),
+        FfiConverterString.lower(`pushKey`),$0)
 }
     )
 }
@@ -2864,7 +2875,10 @@ private var initializationResult: InitializationResult {
     if (uniffi_sphinxrs_checksum_func_get_mutes() != 4885) {
         return InitializationResult.apiChecksumMismatch
     }
-    if (uniffi_sphinxrs_checksum_func_set_push_token() != 7668) {
+    if (uniffi_sphinxrs_checksum_func_set_push_token() != 52747) {
+        return InitializationResult.apiChecksumMismatch
+    }
+    if (uniffi_sphinxrs_checksum_func_decrypt_child_index() != 2032) {
         return InitializationResult.apiChecksumMismatch
     }
     if (uniffi_sphinxrs_checksum_func_get_msgs_counts() != 29743) {
diff --git a/sphinx-ffi/src/sphinxrs.udl b/sphinx-ffi/src/sphinxrs.udl
index fb16418..38da9b8 100644
--- a/sphinx-ffi/src/sphinxrs.udl
+++ b/sphinx-ffi/src/sphinxrs.udl
@@ -239,7 +239,9 @@ namespace sphinxrs {
   [Throws=SphinxError]
   RunReturn get_mutes(string seed, string unique_time, bytes state);
   [Throws=SphinxError]
-  RunReturn set_push_token(string seed, string unique_time, bytes state, string push_token);
+  RunReturn set_push_token(string seed, string unique_time, bytes state, string push_token, string push_key);
+  [Throws=SphinxError]
+  u64 decrypt_child_index(string encrypted_child, string push_key);
   [Throws=SphinxError]
   RunReturn get_msgs_counts(string seed, string unique_time, bytes state);
   [Throws=SphinxError]
diff --git a/sphinx-ffi/src/sphinxrsFFI.h b/sphinx-ffi/src/sphinxrsFFI.h
index 1c48f37..1d07f0f 100644
--- a/sphinx-ffi/src/sphinxrsFFI.h
+++ b/sphinx-ffi/src/sphinxrsFFI.h
@@ -60,6 +60,7 @@ typedef struct RustCallStatus {
 #endif // def UNIFFI_SHARED_H
 
 // Callbacks for UniFFI Futures
+typedef void (*UniFfiFutureCallbackUInt64)(const void * _Nonnull, uint64_t, RustCallStatus);
 typedef void (*UniFfiFutureCallbackRustBuffer)(const void * _Nonnull, RustBuffer, RustCallStatus);
 
 // Scaffolding functions
@@ -193,7 +194,9 @@ RustBuffer uniffi_sphinxrs_fn_func_mute(RustBuffer seed, RustBuffer unique_time,
 );
 RustBuffer uniffi_sphinxrs_fn_func_get_mutes(RustBuffer seed, RustBuffer unique_time, RustBuffer state, RustCallStatus *_Nonnull out_status
 );
-RustBuffer uniffi_sphinxrs_fn_func_set_push_token(RustBuffer seed, RustBuffer unique_time, RustBuffer state, RustBuffer push_token, RustCallStatus *_Nonnull out_status
+RustBuffer uniffi_sphinxrs_fn_func_set_push_token(RustBuffer seed, RustBuffer unique_time, RustBuffer state, RustBuffer push_token, RustBuffer push_key, RustCallStatus *_Nonnull out_status
+);
+uint64_t uniffi_sphinxrs_fn_func_decrypt_child_index(RustBuffer encrypted_child, RustBuffer push_key, RustCallStatus *_Nonnull out_status
 );
 RustBuffer uniffi_sphinxrs_fn_func_get_msgs_counts(RustBuffer seed, RustBuffer unique_time, RustBuffer state, RustCallStatus *_Nonnull out_status
 );
@@ -430,6 +433,9 @@ uint16_t uniffi_sphinxrs_checksum_func_get_mutes(void
 );
 uint16_t uniffi_sphinxrs_checksum_func_set_push_token(void
     
+);
+uint16_t uniffi_sphinxrs_checksum_func_decrypt_child_index(void
+    
 );
 uint16_t uniffi_sphinxrs_checksum_func_get_msgs_counts(void
     
diff --git a/sphinx-ffi/src/uniffi/sphinxrs/sphinxrs.kt b/sphinx-ffi/src/uniffi/sphinxrs/sphinxrs.kt
index 718d9f8..d3fd18e 100644
--- a/sphinx-ffi/src/uniffi/sphinxrs/sphinxrs.kt
+++ b/sphinx-ffi/src/uniffi/sphinxrs/sphinxrs.kt
@@ -494,8 +494,10 @@ internal interface _UniFFILib : Library {
     ): RustBuffer.ByValue
     fun uniffi_sphinxrs_fn_func_get_mutes(`seed`: RustBuffer.ByValue,`uniqueTime`: RustBuffer.ByValue,`state`: RustBuffer.ByValue,_uniffi_out_err: RustCallStatus, 
     ): RustBuffer.ByValue
-    fun uniffi_sphinxrs_fn_func_set_push_token(`seed`: RustBuffer.ByValue,`uniqueTime`: RustBuffer.ByValue,`state`: RustBuffer.ByValue,`pushToken`: RustBuffer.ByValue,_uniffi_out_err: RustCallStatus, 
+    fun uniffi_sphinxrs_fn_func_set_push_token(`seed`: RustBuffer.ByValue,`uniqueTime`: RustBuffer.ByValue,`state`: RustBuffer.ByValue,`pushToken`: RustBuffer.ByValue,`pushKey`: RustBuffer.ByValue,_uniffi_out_err: RustCallStatus, 
     ): RustBuffer.ByValue
+    fun uniffi_sphinxrs_fn_func_decrypt_child_index(`encryptedChild`: RustBuffer.ByValue,`pushKey`: RustBuffer.ByValue,_uniffi_out_err: RustCallStatus, 
+    ): Long
     fun uniffi_sphinxrs_fn_func_get_msgs_counts(`seed`: RustBuffer.ByValue,`uniqueTime`: RustBuffer.ByValue,`state`: RustBuffer.ByValue,_uniffi_out_err: RustCallStatus, 
     ): RustBuffer.ByValue
     fun uniffi_sphinxrs_fn_func_fetch_msgs_batch(`seed`: RustBuffer.ByValue,`uniqueTime`: RustBuffer.ByValue,`state`: RustBuffer.ByValue,`lastMsgIdx`: Long,`limit`: RustBuffer.ByValue,`reverse`: RustBuffer.ByValue,_uniffi_out_err: RustCallStatus, 
@@ -666,6 +668,8 @@ internal interface _UniFFILib : Library {
     ): Short
     fun uniffi_sphinxrs_checksum_func_set_push_token(
     ): Short
+    fun uniffi_sphinxrs_checksum_func_decrypt_child_index(
+    ): Short
     fun uniffi_sphinxrs_checksum_func_get_msgs_counts(
     ): Short
     fun uniffi_sphinxrs_checksum_func_fetch_msgs_batch(
@@ -908,7 +912,10 @@ private fun uniffiCheckApiChecksums(lib: _UniFFILib) {
     if (lib.uniffi_sphinxrs_checksum_func_get_mutes() != 4885.toShort()) {
         throw RuntimeException("UniFFI API checksum mismatch: try cleaning and rebuilding your project")
     }
-    if (lib.uniffi_sphinxrs_checksum_func_set_push_token() != 7668.toShort()) {
+    if (lib.uniffi_sphinxrs_checksum_func_set_push_token() != 52747.toShort()) {
+        throw RuntimeException("UniFFI API checksum mismatch: try cleaning and rebuilding your project")
+    }
+    if (lib.uniffi_sphinxrs_checksum_func_decrypt_child_index() != 2032.toShort()) {
         throw RuntimeException("UniFFI API checksum mismatch: try cleaning and rebuilding your project")
     }
     if (lib.uniffi_sphinxrs_checksum_func_get_msgs_counts() != 29743.toShort()) {
@@ -2993,10 +3000,19 @@ fun `getMutes`(`seed`: String, `uniqueTime`: String, `state`: ByteArray): RunRet
 
 @Throws(SphinxException::class)
 
-fun `setPushToken`(`seed`: String, `uniqueTime`: String, `state`: ByteArray, `pushToken`: String): RunReturn {
+fun `setPushToken`(`seed`: String, `uniqueTime`: String, `state`: ByteArray, `pushToken`: String, `pushKey`: String): RunReturn {
     return FfiConverterTypeRunReturn.lift(
     rustCallWithError(SphinxException) { _status ->
-    _UniFFILib.INSTANCE.uniffi_sphinxrs_fn_func_set_push_token(FfiConverterString.lower(`seed`),FfiConverterString.lower(`uniqueTime`),FfiConverterByteArray.lower(`state`),FfiConverterString.lower(`pushToken`),_status)
+    _UniFFILib.INSTANCE.uniffi_sphinxrs_fn_func_set_push_token(FfiConverterString.lower(`seed`),FfiConverterString.lower(`uniqueTime`),FfiConverterByteArray.lower(`state`),FfiConverterString.lower(`pushToken`),FfiConverterString.lower(`pushKey`),_status)
+})
+}
+
+@Throws(SphinxException::class)
+
+fun `decryptChildIndex`(`encryptedChild`: String, `pushKey`: String): ULong {
+    return FfiConverterULong.lift(
+    rustCallWithError(SphinxException) { _status ->
+    _UniFFILib.INSTANCE.uniffi_sphinxrs_fn_func_decrypt_child_index(FfiConverterString.lower(`encryptedChild`),FfiConverterString.lower(`pushKey`),_status)
 })
 }