fix: add hash field to TransactionStream (#2939)

* Update subscribe.ts

* add history

Author: mvadari

packages/xrpl/HISTORY.md

@@ -5,7 +5,9 @@ Subscribe to [the **xrpl-announce** mailing list](https://groups.google.com/g/xr
 ## Unreleased
 
 ### Fixed
-* Fix `OracleSet` transaction to accept hexadecimal string values for `AssetPrice` field
+* `OracleSet` transaction accepts hexadecimal string values for `AssetPrice` field
+* `TransactionStream` model includes `hash` field in APIv2
+* `TransactionStream` model includes `close_time_iso` field only for APIv2
 
 ## 4.2.0 (2025-2-13)
 

packages/xrpl/src/models/methods/subscribe.ts

@@ -275,13 +275,17 @@ interface TransactionStreamBase<
    * The approximate time this ledger was closed, in date time string format.
    * Always uses the UTC time zone.
    */
-  close_time_iso: string
+  close_time_iso: Version extends typeof RIPPLED_API_V2 ? string : never
   /** String Transaction result code. */
   engine_result: string
   /** Numeric transaction response code, if applicable. */
   engine_result_code: number
   /** Human-readable explanation for the transaction response. */
   engine_result_message: string
+  /**
+   * The unique hash identifier of the transaction.
+   */
+  hash?: Version extends typeof RIPPLED_API_V2 ? string : never
   /**
    * The ledger index of the current in-progress ledger version for which this
    * transaction is currently proposed.