From 221dce3d73e27fca7d2cd11d8163a11f56cac98b Mon Sep 17 00:00:00 2001
From: Roman Storm <roman@peppersec.com>
Date: Tue, 16 Feb 2021 21:48:44 -0800
Subject: [PATCH] add MAX_GAS_PRICE

---
 src/Transaction.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Transaction.js b/src/Transaction.js
index 3329c4f..0b53515 100644
--- a/src/Transaction.js
+++ b/src/Transaction.js
@@ -129,7 +129,9 @@ class Transaction {
       }
     }
     if (!this.tx.gasPrice) {
-      this.tx.gasPrice = await this._getGasPrice('fast')
+      const fastGasPrice = BigNumber.from(await this._getGasPrice('fast'))
+      const maxGasPrice = parseUnits(this.config.MAX_GAS_PRICE.toString(), 'gwei')
+      this.tx.gasPrice = min(fastGasPrice, maxGasPrice).toHexString()
     }
     if (!this.manager._nonce) {
       this.manager._nonce = await this._getLastNonce()