From b6527b879bbf8c0551fbea9df9a84193646d696a Mon Sep 17 00:00:00 2001
From: rouzwelt <rouzweltt@gmail.com>
Date: Thu, 16 Jan 2025 22:21:39 +0000
Subject: [PATCH] Update gas.ts

---
 src/gas.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/gas.ts b/src/gas.ts
index d0a49853..694c336c 100644
--- a/src/gas.ts
+++ b/src/gas.ts
@@ -6,6 +6,9 @@ import { publicActionsL2, walletActionsL2 } from "viem/op-stack";
 import { BotConfig, BundledOrders, OperationState, RawTx, ViemClient } from "./types";
 import { ArbitrumNodeInterfaceAbi, ArbitrumNodeInterfaceAddress, OrderbookQuoteAbi } from "./abis";
 
+// default gas price for bsc chain, 1 gwei
+export const BSC_DEFAULT_GAS_PRICE = 1_000_000_000n as const;
+
 /**
  * Estimates gas cost of the given tx, also takes into account L1 gas cost if the chain is a special L2.
  */
@@ -83,7 +86,11 @@ export async function getGasPrice(config: BotConfig, state: OperationState) {
     }
     const [gasPriceResult, l1GasPriceResult = undefined] = await Promise.allSettled(promises);
     if (gasPriceResult.status === "fulfilled") {
-        state.gasPrice = (gasPriceResult.value * BigInt(config.gasPriceMultiplier)) / 100n;
+        let gasPrice = gasPriceResult.value;
+        if (config.chain.id === ChainId.BSC && gasPrice < BSC_DEFAULT_GAS_PRICE) {
+            gasPrice = BSC_DEFAULT_GAS_PRICE;
+        }
+        state.gasPrice = (gasPrice * BigInt(config.gasPriceMultiplier)) / 100n;
     }
     if (l1GasPriceResult?.status === "fulfilled") {
         state.l1GasPrice = l1GasPriceResult.value;