From 500b0fac135fe07635d871d64467326599e2b27e Mon Sep 17 00:00:00 2001
From: Andrew Ar <118139478+siguint@users.noreply.github.com>
Date: Thu, 10 Aug 2023 21:45:32 +0300
Subject: [PATCH] (feat):add transaction::is_dynamic_fee (#4152)

---
 crates/primitives/src/transaction/mod.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/crates/primitives/src/transaction/mod.rs b/crates/primitives/src/transaction/mod.rs
index 8c7e0394c6..f63c6b9e1e 100644
--- a/crates/primitives/src/transaction/mod.rs
+++ b/crates/primitives/src/transaction/mod.rs
@@ -168,6 +168,14 @@ impl Transaction {
         }
     }
 
+    /// Returns true if the tx supports dynamic fees
+    pub fn is_dynamic_fee(&self) -> bool {
+        match self {
+            Transaction::Legacy(_) | Transaction::Eip2930(_) => false,
+            Transaction::Eip1559(_) | Transaction::Eip4844(_) => true,
+        }
+    }
+
     /// Max fee per gas for eip1559 transaction, for legacy transactions this is gas_price.
     ///
     /// This is also commonly referred to as the "Gas Fee Cap" (`GasFeeCap`).