feat: adding gasUsed in block header (#50)

Co-authored-by: Aditya Pandey <[email protected]>

Author: i-m-aditya

crates/primitives/src/lib.rs

@@ -58,6 +58,9 @@ pub trait Block: Debug {
     /// Get gas limit
     fn gas_limit(&self) -> U256;
 
+    /// Get gas used
+    fn gas_used(&self) -> U256;
+
     /// Get base fee per gas
     fn base_fee_per_gas(&self) -> Option<U256>;
 
@@ -292,6 +295,10 @@ impl<T: Block> Block for &T {
         (*self).gas_limit()
     }
 
+    fn gas_used(&self) -> U256 {
+        (*self).gas_used()
+    }
+
     fn base_fee_per_gas(&self) -> Option<U256> {
         (*self).base_fee_per_gas()
     }

crates/primitives/src/types/mod.rs

@@ -22,6 +22,9 @@ struct BlockHeader {
     /// gas limit
     #[serde(rename = "gasLimit")]
     gas_limit: U256,
+    /// gas used
+    #[serde(rename = "gasUsed")]
+    gas_used: U256,
     /// base fee per gas
     #[serde(rename = "baseFeePerGas")]
     base_fee_per_gas: Option<U256>,
@@ -136,6 +139,10 @@ impl Block for BlockTrace {
         self.header.gas_limit
     }
 
+    fn gas_used(&self) -> U256 {
+        self.header.gas_used
+    }
+
     fn base_fee_per_gas(&self) -> Option<U256> {
         self.header.base_fee_per_gas
     }
@@ -207,6 +214,10 @@ impl Block for ArchivedBlockTrace {
         self.header.gas_limit
     }
 
+    fn gas_used(&self) -> U256 {
+        self.header.gas_used
+    }
+
     fn base_fee_per_gas(&self) -> Option<U256> {
         self.header.base_fee_per_gas.as_ref().copied()
     }