Ability to debug over a forked network

src/debugAdapter/transaction/transactionProvider.ts

@@ -26,23 +26,34 @@ export class TransactionProvider {
   }
 
   public async getLastTransactionHashes(take: number = TRANSACTION_NUMBER_TO_SHOW): Promise<string[]> {
-    let latestBlockNumber: any;
+    let latestBlockNumber: number;
 
     try {
       latestBlockNumber = await this._web3.eth.getBlockNumber();
     } catch {
       throw new Error(Constants.informationMessage.transactionNotFound);
     }
 
-    const latestBlock = await this._web3.eth.getBlock(latestBlockNumber);
+    const totalBlocks = latestBlockNumber - take > 0 ? take : latestBlockNumber;
+    const startingBlockNumber = latestBlockNumber - take > 0 ? latestBlockNumber - take : 0;
+    const blockNumbers = Array.from({length: totalBlocks}, (_, i) => i + 1 + startingBlockNumber).reverse();
+    const batchRequest = this._web3.createBatchRequest();
+
+    blockNumbers.forEach((block) => {
+      batchRequest.add(this._web3.eth.getBlock, block, true);
+    });
+
+    const blocks: any[] = await batchRequest.execute();
+    const accounts: string[] = await this._web3.eth.getAccounts();
     const txHashes: string[] = [];
-    let block = latestBlock;
-    while (txHashes.length <= take && block.number > 0) {
-      for (let i = 0; i < block.transactions.length && txHashes.length < TRANSACTION_NUMBER_TO_SHOW; i++) {
-        txHashes.push(block.transactions[i]);
-      }
-      block = await this._web3.eth.getBlock(block.number - 1);
-    }
+
+    blocks.forEach((block) => {
+      const txs: any = Object.values(block.transactions)
+        .filter((tx: any) => accounts.includes(tx.from))
+        .map((tx: any) => tx.hash);
+
+      txHashes.push(...txs);
+    });
 
     return txHashes;
   }

src/debugAdapter/types/web3.d.ts

@@ -39,6 +39,7 @@ declare namespace Web3 {
     getTransactionReceipt: any;
     getBlockNumber: any;
     currentProvider: any;
+    getAccounts: any;
   }
 
   const providers: {
@@ -49,6 +50,7 @@ declare namespace Web3 {
 
 // eslint-disable-next-line no-redeclare
 declare class Web3 {
+  static IBatchRequest: any;
   constructor(provider: Web3.IProvider);
 
   eth: Web3.IWeb3Eth;

src/debugAdapter/web3Wrapper.ts

@@ -67,10 +67,10 @@ function PromiseBatch(batch: Web3.IBatchRequest) {
   const _batch = batch;
   const _requests: Array<Promise<any>> = [];
   return {
-    add(method: any, hash: string) {
+    add(method: any, ...args: any[]) {
       const promise = new Promise<any>((accept, reject) => {
         _batch.add(
-          method.request(hash, (error: any, result: any) => {
+          method.request(...args, (error: any, result: any) => {
             if (error) {
               reject(error);
             }