apollo_gateway: add config for min_gas_price_precentage for threshold

Author: ArniStarkware

config/sequencer/default_config.json

@@ -1244,6 +1244,11 @@
     "privacy": "Public",
     "value": "0x1"
   },
+  "gateway_config.stateful_tx_validator_config.min_gas_price_percentage": {
+    "description": "Minimum gas price as percentage of threshold to accept transactions.",
+    "privacy": "Public",
+    "value": 80
+  },
   "gateway_config.stateful_tx_validator_config.reject_future_declare_txs": {
     "description": "If true, rejects declare transactions with future nonces.",
     "privacy": "Public",

crates/apollo_deployments/resources/base_app_config.json

@@ -118,6 +118,7 @@
   "gateway_config.block_declare": false,
   "gateway_config.stateful_tx_validator_config.max_allowed_nonce_gap": 50,
   "gateway_config.stateful_tx_validator_config.max_nonce_for_validation_skip": "0x1",
+  "gateway_config.stateful_tx_validator_config.min_gas_price_percentage": 80,
   "gateway_config.stateful_tx_validator_config.reject_future_declare_txs": true,
   "gateway_config.stateless_tx_validator_config.max_calldata_length": 5000,
   "gateway_config.stateless_tx_validator_config.max_contract_bytecode_size": 81920,

crates/apollo_gateway/src/config.rs

@@ -172,6 +172,8 @@ pub struct StatefulTransactionValidatorConfig {
     pub reject_future_declare_txs: bool,
     pub max_nonce_for_validation_skip: Nonce,
     pub versioned_constants_overrides: VersionedConstantsOverrides,
+    // Minimum gas price as percentage of threshold to accept transactions.
+    pub min_gas_price_percentage: u8, // E.g., 80 to require 80% of threshold.
 }
 
 impl Default for StatefulTransactionValidatorConfig {
@@ -180,6 +182,7 @@ impl Default for StatefulTransactionValidatorConfig {
             max_allowed_nonce_gap: 50,
             reject_future_declare_txs: true,
             max_nonce_for_validation_skip: Nonce(Felt::ONE),
+            min_gas_price_percentage: 80,
             versioned_constants_overrides: VersionedConstantsOverrides::default(),
         }
     }
@@ -206,6 +209,12 @@ impl SerializeConfig for StatefulTransactionValidatorConfig {
                 "If true, rejects declare transactions with future nonces.",
                 ParamPrivacyInput::Public,
             ),
+            ser_param(
+                "min_gas_price_percentage",
+                &self.min_gas_price_percentage,
+                "Minimum gas price as percentage of threshold to accept transactions.",
+                ParamPrivacyInput::Public,
+            ),
         ]);
         dump.append(&mut prepend_sub_config_name(
             self.versioned_constants_overrides.dump(),

crates/apollo_gateway/src/gateway.rs

@@ -49,10 +49,6 @@ use crate::sync_state_reader::SyncStateReaderFactory;
 #[path = "gateway_test.rs"]
 pub mod gateway_test;
 
-// TODO(Arni): Move to a config.
-// Minimum gas price as percentage of threshold to accept transactions.
-const MIN_GAS_PRICE_PRECENTAGE: u8 = 80; // E.g., 80 to require 80% of threshold.
-
 #[derive(Clone)]
 pub struct Gateway {
     pub config: Arc<GatewayConfig>,
@@ -218,6 +214,7 @@ impl ProcessTxBlockingTask {
             validate_tx_l2_gas_price_within_threshold(
                 executable_tx.resource_bounds(),
                 previous_block_l2_gas_price,
+                self.stateful_tx_validator.config.min_gas_price_percentage,
             )?;
         }
 
@@ -244,12 +241,13 @@ impl ProcessTxBlockingTask {
 fn validate_tx_l2_gas_price_within_threshold(
     tx_resource_bounds: ValidResourceBounds,
     previous_block_l2_gas_price: NonzeroGasPrice,
+    min_gas_price_percentage: u8,
 ) -> GatewayResult<()> {
     match tx_resource_bounds {
         ValidResourceBounds::AllResources(tx_resource_bounds) => {
             let tx_l2_gas_price = tx_resource_bounds.l2_gas.max_price_per_unit;
             let gas_price_threshold_multiplier =
-                Ratio::new(MIN_GAS_PRICE_PRECENTAGE.into(), 100_u128);
+                Ratio::new(min_gas_price_percentage.into(), 100_u128);
             let threshold =
                 (gas_price_threshold_multiplier * previous_block_l2_gas_price.get().0).to_integer();
             if tx_l2_gas_price.0 < threshold {