refactor: rename LedgerTransactionExpanded to LedgerTransactionExpandedV2

Make both API version types explicitly versioned for clarity:
- LedgerTransactionExpandedV2 (APIv2 flat format)
- LedgerTransactionExpandedV1 (APIv1 wrapped format)

Author: slurpyone

packages/xrpl/src/models/ledger/Ledger.ts

@@ -61,7 +61,7 @@ interface BaseLedger {
  * Transactions are returned as flat objects with the transaction fields
  * directly on the object, plus `hash` and `metaData`.
  */
-export type LedgerTransactionExpanded = Transaction & {
+export type LedgerTransactionExpandedV2 = Transaction & {
   hash: string
   metaData?: TransactionMetadata
 }
@@ -96,7 +96,7 @@ export interface Ledger extends BaseLedger {
    * full representations of the transactions as flat objects with the
    * transaction fields directly on the object, plus `hash` and `metaData`.
    */
-  transactions?: Array<string | LedgerTransactionExpanded>
+  transactions?: Array<string | LedgerTransactionExpandedV2>
 }
 
 /**

packages/xrpl/src/models/ledger/index.ts

@@ -20,7 +20,7 @@ import FeeSettings, {
 import {
   Ledger,
   LedgerV1,
-  LedgerTransactionExpanded,
+  LedgerTransactionExpandedV2,
   LedgerTransactionExpandedV1,
 } from './Ledger'
 import { LedgerEntry, LedgerEntryFilter } from './LedgerEntry'
@@ -63,7 +63,7 @@ export {
   FeeSettingsPostAmendmentFields,
   Ledger,
   LedgerV1,
-  LedgerTransactionExpanded,
+  LedgerTransactionExpandedV2,
   LedgerTransactionExpandedV1,
   LedgerEntryFilter,
   LedgerEntry,

packages/xrpl/src/utils/hashes/hashLedger.ts

@@ -12,7 +12,7 @@ import { APIVersion } from '../../models'
 import { LedgerEntry } from '../../models/ledger'
 import {
   LedgerVersionMap,
-  LedgerTransactionExpanded,
+  LedgerTransactionExpandedV2,
   LedgerTransactionExpandedV1,
 } from '../../models/ledger/Ledger'
 import { Transaction } from '../../models/transactions'
@@ -134,7 +134,7 @@ export function hashLedgerHeader(
  * @returns The root hash of the SHAMap.
  * @category Utilities
  */
-export function hashTxTree(transactions: LedgerTransactionExpanded[]): string {
+export function hashTxTree(transactions: LedgerTransactionExpandedV2[]): string {
   const shamap = new SHAMap()
   for (const txJSON of transactions) {
     const txBlobHex = encode(txJSON)
@@ -172,8 +172,8 @@ export function hashStateTree(entries: LedgerEntry[]): string {
  * @returns The normalized v2 transaction.
  */
 function normalizeToV2(
-  tx: LedgerTransactionExpanded | LedgerTransactionExpandedV1,
-): LedgerTransactionExpanded {
+  tx: LedgerTransactionExpandedV2 | LedgerTransactionExpandedV1,
+): LedgerTransactionExpandedV2 {
   if ('tx_json' in tx) {
     // Transaction union type cannot be spread directly (TS2698), so we
     // widen to a plain record first.
@@ -184,7 +184,7 @@ function normalizeToV2(
       ...txJson,
       hash: tx.hash,
       metaData: tx.meta,
-    } as LedgerTransactionExpanded
+    } as LedgerTransactionExpandedV2
   }
   return tx
 }
@@ -206,11 +206,11 @@ function computeTransactionHash(
   // Normalize transactions to the v2 flat format expected by hashTxTree.
   // eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- ledger is a version union
   const txs = ledger.transactions as Array<
-    string | LedgerTransactionExpanded | LedgerTransactionExpandedV1
+    string | LedgerTransactionExpandedV2 | LedgerTransactionExpandedV1
   >
   const normalizedTransactions = txs
     .filter(
-      (tx): tx is LedgerTransactionExpanded | LedgerTransactionExpandedV1 =>
+      (tx): tx is LedgerTransactionExpandedV2 | LedgerTransactionExpandedV1 =>
         typeof tx !== 'string',
     )
     .map(normalizeToV2)

packages/xrpl/test/models/LedgerTransactionExpanded.test.ts

@@ -3,13 +3,13 @@ import { assert } from 'chai'
 import {
   Ledger,
   LedgerV1,
-  LedgerTransactionExpanded,
+  LedgerTransactionExpandedV2,
   LedgerTransactionExpandedV1,
 } from '../../src/models/ledger/Ledger'
 
-describe('LedgerTransactionExpanded types', function () {
+describe('LedgerTransactionExpandedV2 types', function () {
   it('Ledger (v2) transactions use flat format with metaData', function () {
-    const tx: LedgerTransactionExpanded = {
+    const tx: LedgerTransactionExpandedV2 = {
       Account: 'rPrioTXJgZJF8bpdXq2X73PcVPfvYqjVKd',
       Amount: '1000000',
       Destination: 'rsRy14FvipgqudiGmptJBhr1RtpsgfzKMM',