Merge e3a893d into 40ad571

Author: MarekM25

EIPS/eip-7840.md

@@ -1,7 +1,7 @@
 ---
 eip: 7840
 title: Add blob schedule to EL config files
-description: Include a per-fork schedule of max and target blob counts in client configuration files
+description: Include a per-fork blob parameters in client configuration files
 author: lightclient (@lightclient)
 discussions-to: https://ethereum-magicians.org/t/add-blob-schedule-to-execution-client-configuration-files/22182
 status: Review
@@ -19,6 +19,7 @@ target blob count per block and max blob count per block for each fork.
 
 - ensure there is a way to dynamically adjust the target and max blob counts per
   block
+- ensure there is a way to dynamically adjust the blob base fee update fraction
 - avoid complex handshake over engine API
 
 ## Specification
@@ -30,17 +31,19 @@ following shape:
 "blobSchedule": {
   "cancun": {
     "target": 3,
-    "max": 6
+    "max": 6,
+    "baseFeeUpdateFraction": 3338477
   },
   "prague": {
     "target": 6,
-    "max": 9
+    "max": 9,
+    "baseFeeUpdateFraction": 5007716
   }
 }
 ```
-
-When there is no explicit configuration for the current fork, use the last
-specified fork value. If no last value is specified, set both to zero.
+Clients **MUST** explicitly configure blob parameters in the configuration for Ethereum mainnet.
+If there is no explicit configuration for the current fork, the client should use the last specified fork value.
+This EIP does not define the behavior when the configuration is missing; clients are free to choose how to handle this situation.
 
 ## Rationale
 
@@ -50,7 +53,7 @@ for various activities. For example, the `eth_feeHistory` RPC method returns a
 field `blobGasUsedRatio` that does require the max, even though the core
 protocol doesn't specifically need such value. Passing this value over the
 engine API every block seem overkill so we believe a configuration value is a
-good middle ground.
+good middle ground. Additionally, the `baseFeeUpdateFraction` parameter was added to adjust the responsiveness of blob gas pricing per fork.
 
 ## Backwards Compatibility