From 00c20237362b673b93f3ec894f20d61da6fece6a Mon Sep 17 00:00:00 2001
From: Garvit Khatri <garvitdelhi@gmail.com>
Date: Sat, 21 Sep 2024 15:19:31 +0100
Subject: [PATCH] Make parallel requests

---
 src/handlers/gasPriceManager.ts |  8 +++-----
 src/utils/validation.ts         | 13 +++++--------
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/src/handlers/gasPriceManager.ts b/src/handlers/gasPriceManager.ts
index 342d566b..d5964ea8 100644
--- a/src/handlers/gasPriceManager.ts
+++ b/src/handlers/gasPriceManager.ts
@@ -5,7 +5,6 @@ import {
     type ChainType
 } from "@alto/types"
 import { maxBigInt, minBigInt, type Logger } from "@alto/utils"
-// biome-ignore lint/style/noNamespaceImport: explicitly make it clear when sentry is used
 import * as sentry from "@sentry/node"
 import { parseGwei, type Chain, type PublicClient } from "viem"
 import {
@@ -86,7 +85,7 @@ export class GasPriceManager {
         }
     }
 
-    public async init() {
+    public init() {
         return Promise.all([
             this.updateGasPrice(),
             this.legacyTransactions === false
@@ -453,7 +452,7 @@ export class GasPriceManager {
         return baseFee
     }
 
-    public async getBaseFee(): Promise<bigint> {
+    public getBaseFee() {
         if (this.legacyTransactions) {
             throw new RpcError(
                 "baseFee is not available for legacy transactions"
@@ -484,8 +483,7 @@ export class GasPriceManager {
         return gasPrice
     }
 
-    // biome-ignore lint/suspicious/useAwait:
-    public async getGasPrice(): Promise<GasPriceParameters> {
+    public getGasPrice() {
         if (this.gasPriceRefreshIntervalInSeconds === 0) {
             return this.updateGasPrice()
         }
diff --git a/src/utils/validation.ts b/src/utils/validation.ts
index b43cef18..1c8c6a76 100644
--- a/src/utils/validation.ts
+++ b/src/utils/validation.ts
@@ -514,8 +514,11 @@ export async function calcOptimismPreVerificationGas(
         }
     })
 
-    const { result: l1Fee } = await opGasPriceOracle.simulate.getL1Fee([
-        serializedTx
+    const [{ result: l1Fee }, baseFeePerGas] = await Promise.all([
+        opGasPriceOracle.simulate.getL1Fee([serializedTx]),
+        verify
+            ? gasPriceManager.getMaxBaseFeePerGas()
+            : gasPriceManager.getBaseFee()
     ])
 
     if (op.maxFeePerGas <= 1n || op.maxPriorityFeePerGas <= 1n) {
@@ -527,12 +530,6 @@ export async function calcOptimismPreVerificationGas(
 
     const l2MaxFee = op.maxFeePerGas
 
-    let baseFeePerGas = 0n
-    if (verify) {
-        baseFeePerGas = await gasPriceManager.getMaxBaseFeePerGas()
-    } else {
-        baseFeePerGas = await gasPriceManager.getBaseFee()
-    }
     const l2PriorityFee = baseFeePerGas + op.maxPriorityFeePerGas
 
     const l2price = minBigInt(l2MaxFee, l2PriorityFee)