From 0b93de9bd5449ba5ece47e16741f39fd43c80d3d Mon Sep 17 00:00:00 2001
From: Brennan Gebotys <gebob19.git@gmail.com>
Date: Mon, 25 Apr 2022 09:46:33 -0400
Subject: [PATCH] feat: implement getTransactions (#23633)

implement getTransactions which retrieves multiple transaction responses in a single RPC call

Co-authored-by: obiwan <you@example.com>
---
 web3.js/src/connection.ts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/web3.js/src/connection.ts b/web3.js/src/connection.ts
index 31036f023a4d2f..c21e032ce5d532 100644
--- a/web3.js/src/connection.ts
+++ b/web3.js/src/connection.ts
@@ -3404,6 +3404,34 @@ export class Connection {
     return res;
   }
 
+  /**
+   * Fetch transaction details for a batch of confirmed transactions.
+   * Similar to {@link getParsedTransactions} but returns a {@link TransactionResponse}.
+   */
+  async getTransactions(
+    signatures: TransactionSignature[],
+    commitment?: Finality,
+  ): Promise<(TransactionResponse | null)[]> {
+    const batch = signatures.map(signature => {
+      const args = this._buildArgsAtLeastConfirmed([signature], commitment);
+      return {
+        methodName: 'getTransaction',
+        args,
+      };
+    });
+
+    const unsafeRes = await this._rpcBatchRequest(batch);
+    const res = unsafeRes.map((unsafeRes: any) => {
+      const res = create(unsafeRes, GetTransactionRpcResult);
+      if ('error' in res) {
+        throw new Error('failed to get transactions: ' + res.error.message);
+      }
+      return res.result;
+    });
+
+    return res;
+  }
+
   /**
    * Fetch a list of Transactions and transaction statuses from the cluster
    * for a confirmed block.