feat: add fraction as a config param (#944)

Author: barnabasbusa

README.md

@@ -577,15 +577,19 @@ network_params:
   # Defaults to 4
   custody_requirement: 4
 
-  # Maximum number of blobs per block for Electra fork
+  # Maximum number of blobs per block for Electra fork (default 9)
   max_blobs_per_block_electra: 9
-  # Target number of blobs per block for Electra fork
+  # Target number of blobs per block for Electra fork (default 6)
   target_blobs_per_block_electra: 6
+  # Base fee update fraction for Electra fork (default 5007716)
+  base_fee_update_fraction_electra: 5007716
 
-  # Maximum number of blobs per block for Fulu fork
+  # Maximum number of blobs per block for Fulu fork (default 12)
   max_blobs_per_block_fulu: 12
-  # Target number of blobs per block for Fulu fork
+  # Target number of blobs per block for Fulu fork (default 9)
   target_blobs_per_block_fulu: 9
+  # Base fee update fraction for Fulu fork (default 5007716)
+  base_fee_update_fraction_fulu: 5007716
 
   # Preset for the network
   # Default: "mainnet"

network_params.yaml

@@ -94,8 +94,10 @@ network_params:
   custody_requirement: 4
   max_blobs_per_block_electra: 9
   target_blobs_per_block_electra: 6
+  base_fee_update_fraction_electra: 5007716
   max_blobs_per_block_fulu: 12
   target_blobs_per_block_fulu: 9
+  base_fee_update_fraction_fulu: 5007716
   additional_preloaded_contracts: {}
   devnet_repo: ethpandaops
   prefunded_accounts: {}

src/package_io/input_parser.star

@@ -348,12 +348,18 @@ def input_parser(plan, input_args):
             target_blobs_per_block_electra=result["network_params"][
                 "target_blobs_per_block_electra"
             ],
+            base_fee_update_fraction_electra=result["network_params"][
+                "base_fee_update_fraction_electra"
+            ],
             max_blobs_per_block_fulu=result["network_params"][
                 "max_blobs_per_block_fulu"
             ],
             target_blobs_per_block_fulu=result["network_params"][
                 "target_blobs_per_block_fulu"
             ],
+            base_fee_update_fraction_fulu=result["network_params"][
+                "base_fee_update_fraction_fulu"
+            ],
             preset=result["network_params"]["preset"],
             additional_preloaded_contracts=result["network_params"][
                 "additional_preloaded_contracts"
@@ -929,8 +935,10 @@ def default_network_params():
         "custody_requirement": 4,
         "max_blobs_per_block_electra": 9,
         "target_blobs_per_block_electra": 6,
+        "base_fee_update_fraction_electra": 5007716,
         "max_blobs_per_block_fulu": 12,
         "target_blobs_per_block_fulu": 9,
+        "base_fee_update_fraction_fulu": 5007716,
         "preset": "mainnet",
         "additional_preloaded_contracts": {},
         "devnet_repo": "ethpandaops",
@@ -971,8 +979,10 @@ def default_minimal_network_params():
         "custody_requirement": 4,
         "max_blobs_per_block_electra": 9,
         "target_blobs_per_block_electra": 6,
+        "base_fee_update_fraction_electra": 5007716,
         "max_blobs_per_block_fulu": 12,
         "target_blobs_per_block_fulu": 9,
+        "base_fee_update_fraction_fulu": 5007716,
         "preset": "minimal",
         "additional_preloaded_contracts": {},
         "devnet_repo": "ethpandaops",

src/package_io/sanity_check.star

@@ -169,6 +169,8 @@ SUBCATEGORY_PARAMS = {
         "target_blobs_per_block_electra",
         "max_blobs_per_block_fulu",
         "target_blobs_per_block_fulu",
+        "base_fee_update_fraction_electra",
+        "base_fee_update_fraction_fulu",
         "preset",
         "additional_preloaded_contracts",
         "devnet_repo",

src/prelaunch_data_generator/el_cl_genesis/el_cl_genesis_generator.star

@@ -147,8 +147,10 @@ def new_env_file_for_el_cl_genesis_data(
         "CustodyRequirement": network_params.custody_requirement,
         "MaxBlobsPerBlockElectra": network_params.max_blobs_per_block_electra,
         "TargetBlobsPerBlockElectra": network_params.target_blobs_per_block_electra,
+        "BaseFeeUpdateFractionElectra": network_params.base_fee_update_fraction_electra,
         "MaxBlobsPerBlockFulu": network_params.max_blobs_per_block_fulu,
         "TargetBlobsPerBlockFulu": network_params.target_blobs_per_block_fulu,
+        "BaseFeeUpdateFractionFulu": network_params.base_fee_update_fraction_fulu,
         "Preset": network_params.preset,
         "AdditionalPreloadedContractsFile": GENESIS_VALUES_PATH
         + "/"

static_files/genesis-generation-config/el-cl/values.env.tmpl

@@ -40,8 +40,10 @@ export SAMPLES_PER_SLOT={{ .SamplesPerSlot }}
 export CUSTODY_REQUIREMENT={{ .CustodyRequirement }}
 export MAX_BLOBS_PER_BLOCK_ELECTRA={{ .MaxBlobsPerBlockElectra }}
 export TARGET_BLOBS_PER_BLOCK_ELECTRA={{ .TargetBlobsPerBlockElectra }}
+export BASEFEE_UPDATE_FRACTION_ELECTRA={{ .BaseFeeUpdateFractionElectra }}
 export MAX_BLOBS_PER_BLOCK_FULU={{ .MaxBlobsPerBlockFulu }}
 export TARGET_BLOBS_PER_BLOCK_FULU={{ .TargetBlobsPerBlockFulu }}
+export BASEFEE_UPDATE_FRACTION_FULU={{ .BaseFeeUpdateFractionFulu }}
 export ADDITIONAL_PRELOADED_CONTRACTS={{ .AdditionalPreloadedContractsFile }}
 export EL_PREMINE_ADDRS={{ .PrefundedAccounts }}
 export MAX_PAYLOAD_SIZE={{ .MaxPayloadSize }}