diff --git a/ironfish-rust-nodejs/index.d.ts b/ironfish-rust-nodejs/index.d.ts
index 05b62ceb3d..acb5fc40e8 100644
--- a/ironfish-rust-nodejs/index.d.ts
+++ b/ironfish-rust-nodejs/index.d.ts
@@ -3,6 +3,13 @@
 
 /* auto-generated by NAPI-RS */
 
+export interface RoundOneSigningData {
+  nonceHiding: string
+  nonceBinding: string
+  commitmentHiding: string
+  commitmentBinding: string
+}
+export function roundOne(keyPackage: string, seed: number): RoundOneSigningData
 export function contribute(inputPath: string, outputPath: string, seed?: string | undefined | null): Promise<string>
 export function verifyTransform(paramsPath: string, newParamsPath: string): Promise<string>
 export const KEY_LENGTH: number
@@ -75,6 +82,7 @@ export interface Key {
   incomingViewKey: string
   outgoingViewKey: string
   publicAddress: string
+  proofGenerationKey: string
 }
 export function generateKey(): Key
 export function spendingKeyToWords(privateKey: string, languageCode: LanguageCode): string
@@ -215,6 +223,7 @@ export class Transaction {
    * aka: self.value_balance - intended_transaction_fee - change = 0
    */
   post(spenderHexKey: string, changeGoesTo: string | undefined | null, intendedTransactionFee: bigint): Buffer
+  build(proofGenerationKeyStr: string, viewKeyStr: string, outgoingViewKeyStr: string, publicAddressStr: string, intendedTransactionFee: bigint): Buffer
   setExpiration(sequence: number): void
 }
 export class FoundBlockResult {
diff --git a/ironfish-rust-nodejs/index.js b/ironfish-rust-nodejs/index.js
index 5b2524eb0b..df7b6811f1 100644
--- a/ironfish-rust-nodejs/index.js
+++ b/ironfish-rust-nodejs/index.js
@@ -252,9 +252,10 @@ if (!nativeBinding) {
   throw new Error(`Failed to load native binding`)
 }
 
-const { FishHashContext, contribute, verifyTransform, KEY_LENGTH, NONCE_LENGTH, BoxKeyPair, randomBytes, boxMessage, unboxMessage, RollingFilter, initSignalHandler, triggerSegfault, ASSET_ID_LENGTH, ASSET_METADATA_LENGTH, ASSET_NAME_LENGTH, ASSET_LENGTH, Asset, NOTE_ENCRYPTION_KEY_LENGTH, MAC_LENGTH, ENCRYPTED_NOTE_PLAINTEXT_LENGTH, ENCRYPTED_NOTE_LENGTH, NoteEncrypted, PUBLIC_ADDRESS_LENGTH, RANDOMNESS_LENGTH, MEMO_LENGTH, AMOUNT_VALUE_LENGTH, DECRYPTED_NOTE_LENGTH, Note, PROOF_LENGTH, TRANSACTION_SIGNATURE_LENGTH, TRANSACTION_PUBLIC_KEY_RANDOMNESS_LENGTH, TRANSACTION_EXPIRATION_LENGTH, TRANSACTION_FEE_LENGTH, LATEST_TRANSACTION_VERSION, TransactionPosted, Transaction, verifyTransactions, LanguageCode, generateKey, spendingKeyToWords, wordsToSpendingKey, generateKeyFromPrivateKey, initializeSapling, FoundBlockResult, ThreadPoolHandler, isValidPublicAddress } = nativeBinding
+const { FishHashContext, roundOne, contribute, verifyTransform, KEY_LENGTH, NONCE_LENGTH, BoxKeyPair, randomBytes, boxMessage, unboxMessage, RollingFilter, initSignalHandler, triggerSegfault, ASSET_ID_LENGTH, ASSET_METADATA_LENGTH, ASSET_NAME_LENGTH, ASSET_LENGTH, Asset, NOTE_ENCRYPTION_KEY_LENGTH, MAC_LENGTH, ENCRYPTED_NOTE_PLAINTEXT_LENGTH, ENCRYPTED_NOTE_LENGTH, NoteEncrypted, PUBLIC_ADDRESS_LENGTH, RANDOMNESS_LENGTH, MEMO_LENGTH, AMOUNT_VALUE_LENGTH, DECRYPTED_NOTE_LENGTH, Note, PROOF_LENGTH, TRANSACTION_SIGNATURE_LENGTH, TRANSACTION_PUBLIC_KEY_RANDOMNESS_LENGTH, TRANSACTION_EXPIRATION_LENGTH, TRANSACTION_FEE_LENGTH, LATEST_TRANSACTION_VERSION, TransactionPosted, Transaction, verifyTransactions, LanguageCode, generateKey, spendingKeyToWords, wordsToSpendingKey, generateKeyFromPrivateKey, initializeSapling, FoundBlockResult, ThreadPoolHandler, isValidPublicAddress } = nativeBinding
 
 module.exports.FishHashContext = FishHashContext
+module.exports.roundOne = roundOne
 module.exports.contribute = contribute
 module.exports.verifyTransform = verifyTransform
 module.exports.KEY_LENGTH = KEY_LENGTH
diff --git a/ironfish-rust-nodejs/src/lib.rs b/ironfish-rust-nodejs/src/lib.rs
index 57e481069b..6109d5c1ad 100644
--- a/ironfish-rust-nodejs/src/lib.rs
+++ b/ironfish-rust-nodejs/src/lib.rs
@@ -5,8 +5,10 @@
 use std::fmt::Display;
 
 use ironfish::keys::Language;
+use ironfish::keys::ProofGenerationKeySerializable;
 use ironfish::PublicAddress;
 use ironfish::SaplingKey;
+
 use napi::bindgen_prelude::*;
 use napi_derive::napi;
 
@@ -63,6 +65,7 @@ pub struct Key {
     pub incoming_view_key: String,
     pub outgoing_view_key: String,
     pub public_address: String,
+    pub proof_generation_key: String,
 }
 
 #[napi]
@@ -75,6 +78,7 @@ pub fn generate_key() -> Key {
         incoming_view_key: sapling_key.incoming_view_key().hex_key(),
         outgoing_view_key: sapling_key.outgoing_view_key().hex_key(),
         public_address: sapling_key.public_address().hex_public_address(),
+        proof_generation_key: sapling_key.sapling_proof_generation_key().hex_key(),
     }
 }
 
@@ -101,6 +105,7 @@ pub fn generate_key_from_private_key(private_key: String) -> Result<Key> {
         incoming_view_key: sapling_key.incoming_view_key().hex_key(),
         outgoing_view_key: sapling_key.outgoing_view_key().hex_key(),
         public_address: sapling_key.public_address().hex_public_address(),
+        proof_generation_key: sapling_key.sapling_proof_generation_key().hex_key(),
     })
 }
 
diff --git a/ironfish-rust/src/keys/mod.rs b/ironfish-rust/src/keys/mod.rs
index e5b7a9a5ea..97cbf98535 100644
--- a/ironfish-rust/src/keys/mod.rs
+++ b/ironfish-rust/src/keys/mod.rs
@@ -208,7 +208,7 @@ impl SaplingKey {
 
     /// Adapter to convert this key to a proof generation key for use in
     /// sapling functions
-    pub(crate) fn sapling_proof_generation_key(&self) -> ProofGenerationKey {
+    pub fn sapling_proof_generation_key(&self) -> ProofGenerationKey {
         ProofGenerationKey {
             ak: self.view_key.authorizing_key,
             nsk: self.proof_authorizing_key,