From f9da33b1c2a885addf77d324d6087e11ad155886 Mon Sep 17 00:00:00 2001
From: Ravi Hegde <ravihegde348@bitgo.com>
Date: Sun, 26 Oct 2025 14:09:52 +0530
Subject: [PATCH] feat(sdk-coin-canton): added acknowledgement data in
 transaction Ticket: COIN-6182

---
 modules/sdk-coin-canton/src/lib/iface.ts       |  2 ++
 .../src/lib/transaction/transaction.ts         | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/modules/sdk-coin-canton/src/lib/iface.ts b/modules/sdk-coin-canton/src/lib/iface.ts
index 2437696f36..f54dce6a49 100644
--- a/modules/sdk-coin-canton/src/lib/iface.ts
+++ b/modules/sdk-coin-canton/src/lib/iface.ts
@@ -9,6 +9,7 @@ export interface TxData {
   type: TransactionType;
   sender: string;
   receiver: string;
+  acknowledgeData?: TransferAcknowledge;
 }
 
 export interface PreparedTxnParsedInfo {
@@ -87,6 +88,7 @@ export interface PartySignature {
 }
 
 export interface TransactionBroadcastData {
+  acknowledgeData?: TransferAcknowledge;
   prepareCommandResponse?: CantonPrepareCommandResponse;
   txType: string;
   preparedTransaction?: string;
diff --git a/modules/sdk-coin-canton/src/lib/transaction/transaction.ts b/modules/sdk-coin-canton/src/lib/transaction/transaction.ts
index 201356d398..7cccd47324 100644
--- a/modules/sdk-coin-canton/src/lib/transaction/transaction.ts
+++ b/modules/sdk-coin-canton/src/lib/transaction/transaction.ts
@@ -6,6 +6,7 @@ import {
   PartySignature,
   PreparedTxnParsedInfo,
   TransactionBroadcastData,
+  TransferAcknowledge,
   TxData,
 } from '../iface';
 import utils from '../utils';
@@ -14,6 +15,7 @@ import { DUMMY_HASH, HASHING_SCHEME_VERSION, SIGNATURE_ALGORITHM_SPEC, SIGNATURE
 export class Transaction extends BaseTransaction {
   private _prepareCommand: CantonPrepareCommandResponse;
   private _signerFingerprint: string;
+  private _acknowledgeData: TransferAcknowledge;
 
   constructor(coinConfig: Readonly<CoinConfig>) {
     super(coinConfig);
@@ -31,6 +33,10 @@ export class Transaction extends BaseTransaction {
     this._type = transactionType;
   }
 
+  set acknowledgeData(data: TransferAcknowledge) {
+    this._acknowledgeData = data;
+  }
+
   get id(): string {
     if (!this._id) {
       throw new InvalidTransactionError('transaction is is not set');
@@ -59,9 +65,13 @@ export class Transaction extends BaseTransaction {
       throw new InvalidTransactionError('Transaction type is not set');
     }
     if (this._type === TransactionType.TransferAcknowledge) {
+      if (!this._acknowledgeData) {
+        throw new InvalidTransactionError('AcknowledgeData is not set');
+      }
       const minData: TransactionBroadcastData = {
         txType: TransactionType[this._type],
         submissionId: this.id,
+        acknowledgeData: this._acknowledgeData,
       };
       return Buffer.from(JSON.stringify(minData)).toString('base64');
     }
@@ -119,6 +129,10 @@ export class Transaction extends BaseTransaction {
       receiver: '',
     };
     if (this._type === TransactionType.TransferAcknowledge) {
+      if (!this._acknowledgeData) {
+        throw new InvalidTransactionError('AcknowledgeData is not set');
+      }
+      result.acknowledgeData = this._acknowledgeData;
       return result;
     }
     if (!this._prepareCommand || !this._prepareCommand.preparedTransaction) {
@@ -159,6 +173,10 @@ export class Transaction extends BaseTransaction {
           this.signerFingerprint = decoded.partySignatures.signatures[0].party.split('::')[1];
           this.signatures = decoded.partySignatures.signatures[0].signatures[0].signature;
         }
+      } else {
+        if (decoded.acknowledgeData) {
+          this.acknowledgeData = decoded.acknowledgeData;
+        }
       }
     } catch (e) {
       throw new InvalidTransactionError('Unable to parse raw transaction data');