Fix eth_blobBaseFee JSON RPC method (#3934)

kdeme · web-flow · commit d02b0c62195e · 2026-01-27T17:52:43.000+01:00
diff --git a/execution_chain/rpc/server_api.nim b/execution_chain/rpc/server_api.nim
@@ -628,12 +628,10 @@ proc setupServerAPI*(api: ServerAPIRef, server: RpcServer, am: ref AccountsManag
     ## Returns the base fee per blob gas in wei.
     let header = api.headerFromTag(blockId("latest")).valueOr:
       raise newException(ValueError, "Block not found")
-    if header.blobGasUsed.isNone:
-      raise newException(ValueError, "blobGasUsed missing from latest header")
     if header.excessBlobGas.isNone:
       raise newException(ValueError, "excessBlobGas missing from latest header")
     let blobBaseFee =
-      getBlobBaseFee(header.excessBlobGas.get, api.com, api.com.toEVMFork(header)) * header.blobGasUsed.get.u256
+      getBlobBaseFee(header.excessBlobGas.get, api.com, api.com.toEVMFork(header))
     if blobBaseFee > high(uint64).u256:
       raise newException(ValueError, "blobBaseFee is bigger than uint64.max")
     return w3Qty blobBaseFee.truncate(uint64)
