fix: make debug_storageRangeAt return all known keys at transaction index (trufflesuite#3470)

Co-authored-by: MicaiahReid <micaiahreid@gmail.com>

Author: davidmurdoch

src/chains/ethereum/ethereum/src/api.ts

@@ -3135,11 +3135,12 @@ export default class EthereumApi implements Api {
    * console.log(transactionTrace);
    * ```
    */
+  @assertArgLength(1, 2)
   async debug_traceTransaction(
     transactionHash: DATA,
-    options?: Ethereum.TraceTransactionOptions
+    options: Ethereum.TraceTransactionOptions = {}
   ): Promise<Ethereum.TraceTransactionResult<"private">> {
-    return this.#blockchain.traceTransaction(transactionHash, options || {});
+    return this.#blockchain.traceTransaction(transactionHash, options);
   }
 
   // TODO: example doesn't return correct value
@@ -3186,14 +3187,22 @@ export default class EthereumApi implements Api {
    * console.log(storage);
    * ```
    */
+  @assertArgLength(5)
   async debug_storageRangeAt(
     blockHash: DATA,
     transactionIndex: number,
     contractAddress: DATA,
     startKey: DATA,
     maxResult: number
   ): Promise<Ethereum.StorageRangeAtResult<"private">> {
-    return this.#blockchain.storageRangeAt(
+    const blockchain = this.#blockchain;
+    if (blockchain.fallback) {
+      throw new Error(
+        "debug_storageRangeAt is not supported on a forked network. See https://github.com/trufflesuite/ganache/issues/3488 for details."
+      );
+    }
+
+    return blockchain.storageRangeAt(
       blockHash,
       Quantity.toNumber(transactionIndex),
       contractAddress,