chore: support tokenApproval for MPC

Ticket: COIN-4071

Author: kamleshmugdiya

modules/sdk-core/src/bitgo/utils/mpcUtils.ts

@@ -117,7 +117,7 @@ export abstract class MpcUtils {
   populateIntent(baseCoin: IBaseCoin, params: PrebuildTransactionWithIntentOptions): PopulatedIntent {
     const chain = this.baseCoin.getChain();
 
-    if (!['acceleration', 'fillNonce', 'transferToken'].includes(params.intentType)) {
+    if (!['acceleration', 'fillNonce', 'transferToken', 'tokenApproval'].includes(params.intentType)) {
       assert(params.recipients, `'recipients' is a required parameter for ${params.intentType} intent`);
     }
     const intentRecipients = params.recipients?.map((recipient) => {
@@ -177,6 +177,12 @@ export abstract class MpcUtils {
             receiveAddress: params.receiveAddress,
             feeOptions: params.feeOptions,
           };
+        case 'tokenApproval':
+          return {
+            ...baseIntent,
+            tokenName: params.tokenName,
+            feeOptions: params.feeOptions,
+          };
         default:
           throw new Error(`Unsupported intent type ${params.intentType}`);
       }

modules/sdk-core/src/bitgo/utils/tss/baseTypes.ts

@@ -253,6 +253,7 @@ export interface PopulatedIntent extends PopulatedIntentBase {
   receiveAddress?: string;
   custodianTransactionId?: string;
   custodianMessageId?: string;
+  tokenName?: string;
 }
 
 export type TxRequestState =

modules/sdk-core/src/bitgo/wallet/wallet.ts

@@ -3285,6 +3285,17 @@ export class Wallet implements IWallet {
           params.preview
         );
         break;
+      case 'tokenApproval':
+        txRequest = await this.tssUtils!.prebuildTxWithIntent(
+          {
+            reqId,
+            intentType: 'tokenApproval',
+            tokenName: params.tokenName,
+          },
+          apiVersion,
+          params.preview
+        );
+        break;
       default:
         throw new Error(`transaction type not supported: ${params.type}`);
     }