feat: limit rollup fee in tx pool

crates/scroll/chainspec/src/constants.rs

@@ -5,6 +5,9 @@ use alloy_primitives::{address, b256, Address, B256};
 /// The transaction fee recipient on the L2.
 pub const SCROLL_FEE_VAULT_ADDRESS: Address = address!("5300000000000000000000000000000000000005");
 
+/// The maximum size in bytes of the payload for a block.
+pub const MAX_TX_PAYLOAD_BYTES_PER_BLOCK: usize = 120 * 1024;
+
 /// The system contract on L2 mainnet.
 pub const SCROLL_MAINNET_L2_SYSTEM_CONFIG_CONTRACT_ADDRESS: Address =
     address!("331A873a2a85219863d80d248F9e2978fE88D0Ea");

crates/scroll/chainspec/src/genesis.rs

@@ -1,9 +1,13 @@
 //! Scroll types for genesis data.
 
 use crate::{
-    constants::{SCROLL_FEE_VAULT_ADDRESS, SCROLL_MAINNET_L1_CONFIG, SCROLL_SEPOLIA_L1_CONFIG},
+    constants::{
+        MAX_TX_PAYLOAD_BYTES_PER_BLOCK, SCROLL_FEE_VAULT_ADDRESS, SCROLL_MAINNET_L1_CONFIG,
+        SCROLL_SEPOLIA_L1_CONFIG,
+    },
     SCROLL_DEV_L1_CONFIG,
 };
+
 use alloy_primitives::Address;
 use alloy_serde::OtherFields;
 use serde::de::Error;
@@ -113,6 +117,8 @@ pub struct ScrollChainConfig {
     /// This is an optional field that, when set, specifies where L2 transaction fees
     /// will be sent or stored.
     pub fee_vault_address: Option<Address>,
+    /// The maximum tx payload size of blocks that we produce.
+    pub max_tx_payload_bytes_per_block: usize,
     /// The L1 configuration.
     /// This field encapsulates specific settings and parameters required for L1
     pub l1_config: L1Config,
@@ -129,6 +135,7 @@ impl ScrollChainConfig {
     pub const fn mainnet() -> Self {
         Self {
             fee_vault_address: Some(SCROLL_FEE_VAULT_ADDRESS),
+            max_tx_payload_bytes_per_block: MAX_TX_PAYLOAD_BYTES_PER_BLOCK,
             l1_config: SCROLL_MAINNET_L1_CONFIG,
         }
     }
@@ -137,13 +144,18 @@ impl ScrollChainConfig {
     pub const fn sepolia() -> Self {
         Self {
             fee_vault_address: Some(SCROLL_FEE_VAULT_ADDRESS),
+            max_tx_payload_bytes_per_block: MAX_TX_PAYLOAD_BYTES_PER_BLOCK,
             l1_config: SCROLL_SEPOLIA_L1_CONFIG,
         }
     }
 
     /// Returns the [`ScrollChainConfig`] for Scroll dev.
     pub const fn dev() -> Self {
-        Self { fee_vault_address: Some(SCROLL_FEE_VAULT_ADDRESS), l1_config: SCROLL_DEV_L1_CONFIG }
+        Self {
+            fee_vault_address: Some(SCROLL_FEE_VAULT_ADDRESS),
+            max_tx_payload_bytes_per_block: MAX_TX_PAYLOAD_BYTES_PER_BLOCK,
+            l1_config: SCROLL_DEV_L1_CONFIG,
+        }
     }
 }
 
@@ -209,6 +221,7 @@ mod tests {
           "feynmanTime": 100,
           "scroll": {
             "feeVaultAddress": "0x5300000000000000000000000000000000000005",
+            "maxTxPayloadBytesPerBlock": 122880,
             "l1Config": {
                 "l1ChainId": 1,
                 "l1MessageQueueAddress": "0x0d7E906BD9cAFa154b048cFa766Cc1E54E39AF9B",
@@ -237,6 +250,7 @@ mod tests {
             }),
             scroll_chain_config: ScrollChainConfig {
                 fee_vault_address: Some(address!("5300000000000000000000000000000000000005")),
+                max_tx_payload_bytes_per_block: MAX_TX_PAYLOAD_BYTES_PER_BLOCK,
                 l1_config: L1Config {
                     l1_chain_id: 1,
                     l1_message_queue_address: address!("0d7E906BD9cAFa154b048cFa766Cc1E54E39AF9B"),

crates/scroll/chainspec/src/lib.rs

@@ -35,10 +35,10 @@ extern crate alloc;
 
 mod constants;
 pub use constants::{
-    SCROLL_BASE_FEE_PARAMS_FEYNMAN, SCROLL_DEV_L1_CONFIG, SCROLL_DEV_L1_MESSAGE_QUEUE_ADDRESS,
-    SCROLL_DEV_L1_MESSAGE_QUEUE_V2_ADDRESS, SCROLL_DEV_L1_PROXY_ADDRESS,
-    SCROLL_DEV_L2_SYSTEM_CONFIG_CONTRACT_ADDRESS, SCROLL_DEV_MAX_L1_MESSAGES,
-    SCROLL_EIP1559_BASE_FEE_MAX_CHANGE_DENOMINATOR_FEYNMAN,
+    MAX_TX_PAYLOAD_BYTES_PER_BLOCK, SCROLL_BASE_FEE_PARAMS_FEYNMAN, SCROLL_DEV_L1_CONFIG,
+    SCROLL_DEV_L1_MESSAGE_QUEUE_ADDRESS, SCROLL_DEV_L1_MESSAGE_QUEUE_V2_ADDRESS,
+    SCROLL_DEV_L1_PROXY_ADDRESS, SCROLL_DEV_L2_SYSTEM_CONFIG_CONTRACT_ADDRESS,
+    SCROLL_DEV_MAX_L1_MESSAGES, SCROLL_EIP1559_BASE_FEE_MAX_CHANGE_DENOMINATOR_FEYNMAN,
     SCROLL_EIP1559_DEFAULT_ELASTICITY_MULTIPLIER_FEYNMAN, SCROLL_FEE_VAULT_ADDRESS,
     SCROLL_MAINNET_GENESIS_HASH, SCROLL_MAINNET_L1_CONFIG, SCROLL_MAINNET_L1_MESSAGE_QUEUE_ADDRESS,
     SCROLL_MAINNET_L1_MESSAGE_QUEUE_V2_ADDRESS, SCROLL_MAINNET_L1_PROXY_ADDRESS,
@@ -653,26 +653,26 @@ mod tests {
     #[test]
     fn parse_scroll_hardforks() {
         let geth_genesis = r#"
-    {
-      "config": {
-        "bernoulliBlock": 10,
-        "curieBlock": 20,
-        "darwinTime": 30,
-        "darwinV2Time": 31,
-        "scroll": {
-            "feeVaultAddress": "0x5300000000000000000000000000000000000005",
-            "l1Config": {
-                "l1ChainId": 1,
-                "l1MessageQueueAddress": "0x0d7E906BD9cAFa154b048cFa766Cc1E54E39AF9B",
-                "l1MessageQueueV2Address": "0x56971da63A3C0205184FEF096E9ddFc7A8C2D18a",
-                "l2SystemConfigAddress": "0x331A873a2a85219863d80d248F9e2978fE88D0Ea",
-                "scrollChainAddress": "0xa13BAF47339d63B743e7Da8741db5456DAc1E556",
-                "numL1MessagesPerBlock": 10
+        {
+            "config": {
+              "bernoulliBlock": 10,
+              "curieBlock": 20,
+              "darwinTime": 30,
+              "darwinV2Time": 31,
+              "scroll": {
+                  "feeVaultAddress": "0x5300000000000000000000000000000000000005",
+                  "maxTxPayloadBytesPerBlock": 122880,
+                  "l1Config": {
+                      "l1ChainId": 1,
+                      "l1MessageQueueAddress": "0x0d7E906BD9cAFa154b048cFa766Cc1E54E39AF9B",
+                      "l1MessageQueueV2Address": "0x56971da63A3C0205184FEF096E9ddFc7A8C2D18a",
+                      "l2SystemConfigAddress": "0x331A873a2a85219863d80d248F9e2978fE88D0Ea",
+                      "scrollChainAddress": "0xa13BAF47339d63B743e7Da8741db5456DAc1E556",
+                      "numL1MessagesPerBlock": 10
+                  }
+              }
             }
-        }
-      }
-    }
-    "#;
+        }"#;
         let genesis: Genesis = serde_json::from_str(geth_genesis).unwrap();
 
         let actual_bernoulli_block = genesis.config.extra_fields.get("bernoulliBlock");
@@ -688,6 +688,7 @@ mod tests {
             scroll_object,
             &serde_json::json!({
                 "feeVaultAddress": "0x5300000000000000000000000000000000000005",
+                "maxTxPayloadBytesPerBlock": 122880,
                 "l1Config": {
                     "l1ChainId": 1,
                     "l1MessageQueueAddress": "0x0d7E906BD9cAFa154b048cFa766Cc1E54E39AF9B",
@@ -741,6 +742,7 @@ mod tests {
                         String::from("scroll"),
                         serde_json::json!({
                             "feeVaultAddress": "0x5300000000000000000000000000000000000005",
+                            "maxTxPayloadBytesPerBlock": 122880,
                             "l1Config": {
                                 "l1ChainId": 1,
                                 "l1MessageQueueAddress": "0x0d7E906BD9cAFa154b048cFa766Cc1E54E39AF9B",

crates/scroll/consensus/src/constants.rs

@@ -0,0 +1,4 @@
+use alloy_primitives::U256;
+
+/// The maximum value Rollup fee.
+pub const MAX_ROLLUP_FEE: U256 = U256::from_limbs([u64::MAX, 0, 0, 0]);

crates/scroll/consensus/src/lib.rs

@@ -2,9 +2,11 @@
 
 extern crate alloc;
 
+mod constants;
+pub use constants::MAX_ROLLUP_FEE;
+
 mod error;
 pub use error::ScrollConsensusError;
 
 mod validation;
-
 pub use validation::ScrollBeaconConsensus;