add blob base fee (kkrt-labs#807)

matthieuauger · Mar 4, 2024 · c4936df · c4936df
1 parent fa0a2a9
commit c4936df
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diff --git a/src/eth_rpc/api/eth_api.rs b/src/eth_rpc/api/eth_api.rs
@@ -157,6 +157,10 @@ pub trait EthApi {
     #[method(name = "maxPriorityFeePerGas")]
     async fn max_priority_fee_per_gas(&self) -> Result<U128>;
 
+    /// Introduced in EIP-4844, returns the current blob base fee in wei.
+    #[method(name = "blobBaseFee")]
+    async fn blob_base_fee(&self) -> Result<U256>;
+
     /// Returns whether the client is actively mining new blocks.
     #[method(name = "mining")]
     async fn mining(&self) -> Result<bool>;

diff --git a/src/eth_rpc/servers/eth_rpc.rs b/src/eth_rpc/servers/eth_rpc.rs
@@ -192,6 +192,10 @@ where
         Ok(U128::from(*MAX_PRIORITY_FEE_PER_GAS))
     }
 
+    async fn blob_base_fee(&self) -> Result<U256> {
+        Err(EthProviderError::MethodNotSupported("eth_blobBaseFee".to_string()).into())
+    }
+
     async fn mining(&self) -> Result<bool> {
         tracing::warn!("Kakarot chain does not use mining");
         Ok(false)