feat: add EIP-4844 transaction when auto-mining

.changeset/curly-carpets-join.md

@@ -0,0 +1,5 @@
+---
+"@nomicfoundation/edr": minor
+---
+
+Added support for blob transactions (EIP-4844) when auto-mining is enabled and the mempool is empty

book/src/02_development/03_local_release.md

@@ -6,5 +6,5 @@ These are instructions for releasing the [EDR NPM package](../../crates/edr_napi
 2. Go to the [edr_napi](../../crates/edr_napi/) directory.
 3. Run `pnpm build`.
 4. Look for the NAPI binary that was built for your platform. It has the format `edr.<PLATFORM>.node`. For example on Apple Silicon Macs, it's called `edr.darwin-arm64.node`.
-5. Move the NAPI binary to the appropriate platform-specifc package in the [npm](../../crates/edr_napi/npm) directory. For example, on Apple Silicon Macs: `mv edr.darwin-arm64.node npm/darwin-arm64`.
+5. Move the NAPI binary to the appropriate platform-specific package in the [npm](../../crates/edr_napi/npm) directory. For example, on Apple Silicon Macs: `mv edr.darwin-arm64.node npm/darwin-arm64`.
 6. Complete the Verdaccio [publish steps](./02_verdaccio.md#usage) in the [edr_napi](../../crates/edr_napi/) directory. You can ignore the warnings about not finding NAPI binaries for other platforms.

crates/edr_eth/Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.75"
 alloy-rlp = { version = "0.3", default-features = false, features = ["derive"] }
+c-kzg = { version = "1.0.0", default-features = false }
 futures = { version = "0.3.28", default-features = false }
 hash-db = { version = "0.15.2", default-features = false }
 hash256-std-hasher = { version = "0.15.2", default-features = false }
@@ -20,9 +21,10 @@ reqwest = { version = "0.11", features = ["blocking", "json"] }
 reqwest-middleware = { version = "0.2.4", default-features = false }
 reqwest-retry = { version = "0.3.0", default-features = false }
 reqwest-tracing = { version = "0.4.7", default-features = false, optional = true }
-revm-primitives = { git = "https://github.com/NomicFoundation/revm", rev = "aceb093", version = "3.1", default-features = false, features = ["hashbrown"] }
+revm-primitives = { git = "https://github.com/NomicFoundation/revm", rev = "aceb093", version = "3.1", default-features = false, features = ["c-kzg", "hashbrown"] }
 serde = { version = "1.0.147", default-features = false, features = ["derive"], optional = true }
 serde_json = { version = "1.0.89", optional = true }
+sha2 = { version = "0.10.8", default-features = false }
 sha3 = { version = "0.10.8", default-features = false }
 thiserror = { version = "1.0.37", default-features = false }
 tokio = { version = "1.21.2", default-features = false, features = ["fs", "macros", "sync"] }
@@ -48,7 +50,7 @@ walkdir = { version = "2.3.3", default-features = false }
 [features]
 default = ["std"]
 rand = ["revm-primitives/rand"]
-serde = ["dep:serde", "revm-primitives/serde", "serde_json"]
-std = ["futures/std", "hash256-std-hasher/std", "hash-db/std", "hex/std", "itertools/use_std", "k256/std", "k256/precomputed-tables", "revm-primitives/std", "serde?/std", "sha3/std", "triehash/std", "uuid/std"]
+serde = ["dep:serde", "c-kzg/serde", "revm-primitives/serde", "serde_json"]
+std = ["futures/std", "hash256-std-hasher/std", "hash-db/std", "hex/std", "itertools/use_std", "k256/std", "k256/precomputed-tables", "revm-primitives/std", "serde?/std", "sha2/std", "sha3/std", "triehash/std", "uuid/std"]
 tracing = ["dep:tracing", "reqwest-tracing"]
 test-remote = ["serde"]

crates/edr_eth/src/access_list.rs

@@ -1,5 +1,5 @@
 // Part of this code was adapted from ethers-rs and is distributed under their
-// licenss:
+// license:
 // - https://github.com/gakonst/ethers-rs/blob/cba6f071aedafb766e82e4c2f469ed5e4638337d/LICENSE-APACHE
 // - https://github.com/gakonst/ethers-rs/blob/cba6f071aedafb766e82e4c2f469ed5e4638337d/LICENSE-MIT
 // For the original context see: https://github.com/gakonst/ethers-rs/blob/3d9c3290d42b77c510e5b5d0b6f7a2f72913bfff/ethers-core/src/types/transaction/eip2930.rs

crates/edr_eth/src/account.rs

@@ -1,5 +1,5 @@
 // Part of this code was adapted from foundry and is distributed under their
-// licenss:
+// license:
 // - https://github.com/foundry-rs/foundry/blob/01b16238ff87dc7ca8ee3f5f13e389888c2a2ee4/LICENSE-APACHE
 // - https://github.com/foundry-rs/foundry/blob/01b16238ff87dc7ca8ee3f5f13e389888c2a2ee4/LICENSE-MIT
 // For the original context see: https://github.com/foundry-rs/foundry/blob/01b16238ff87dc7ca8ee3f5f13e389888c2a2ee4/anvil/core/src/eth/proof.rs

crates/edr_eth/src/block.rs

@@ -10,7 +10,7 @@ mod reorg;
 mod reward;
 
 use alloy_rlp::{BufMut, Decodable, RlpDecodable, RlpEncodable};
-use revm_primitives::{calc_excess_blob_gas, keccak256};
+use revm_primitives::{calc_blob_gasprice, calc_excess_blob_gas, keccak256};
 
 use self::difficulty::calculate_ethash_canonical_difficulty;
 pub use self::{
@@ -243,7 +243,7 @@ impl PartialHeader {
             base_fee: options.base_fee.or_else(|| {
                 if spec_id >= SpecId::LONDON {
                     Some(if let Some(parent) = &parent {
-                        calculate_next_base_fee(parent)
+                        calculate_next_base_fee_per_gas(parent)
                     } else {
                         // Initial base fee from https://eips.ethereum.org/EIPS/eip-1559
                         U256::from(1_000_000_000)
@@ -338,7 +338,7 @@ impl From<Header> for PartialHeader {
 /// # Panics
 ///
 /// Panics if the parent header does not contain a base fee.
-pub fn calculate_next_base_fee(parent: &Header) -> U256 {
+pub fn calculate_next_base_fee_per_gas(parent: &Header) -> U256 {
     let elasticity = 2;
     let base_fee_max_change_denominator = U256::from(8);
 
@@ -370,6 +370,17 @@ pub fn calculate_next_base_fee(parent: &Header) -> U256 {
     }
 }
 
+/// Calculates the next base fee per blob gas for a post-Cancun block, given the
+/// parent's header.
+pub fn calculate_next_base_fee_per_blob_gas(parent: &Header) -> U256 {
+    parent
+        .blob_gas
+        .as_ref()
+        .map_or(U256::ZERO, |BlobGas { excess_gas, .. }| {
+            U256::from(calc_blob_gasprice(*excess_gas))
+        })
+}
+
 #[cfg(test)]
 mod tests {
     use std::str::FromStr;
@@ -410,7 +421,7 @@ mod tests {
 
             assert_eq!(
                 U256::from(next_base_fee),
-                calculate_next_base_fee(&parent_header)
+                calculate_next_base_fee_per_gas(&parent_header)
             );
         }
     }

crates/edr_eth/src/rlp.rs

@@ -1 +1 @@
-pub use alloy_rlp::{Decodable, Encodable, Error};
+pub use alloy_rlp::{encode, Decodable, Encodable, Error};

crates/edr_eth/src/transaction.rs

@@ -5,15 +5,69 @@
 //! transaction related data
 
 mod fake_signature;
+/// Types for transaction gossip (aka pooled transactions)
+pub mod pooled;
 mod request;
 mod signed;
+mod r#type;
 
 pub use revm_primitives::alloy_primitives::TxKind;
 use revm_primitives::B256;
 
-pub use self::{request::*, signed::*};
+pub use self::{r#type::TransactionType, request::*, signed::*};
 use crate::{access_list::AccessListItem, Address, Bytes, U256};
 
+pub trait Transaction {
+    /// The effective gas price of the transaction, calculated using the
+    /// provided block base fee.
+    fn effective_gas_price(&self, block_base_fee: U256) -> U256;
+
+    /// The maximum amount of gas the transaction can use.
+    fn gas_limit(&self) -> u64;
+
+    /// The gas price the sender is willing to pay.
+    fn gas_price(&self) -> U256;
+
+    /// The maximum fee per gas the sender is willing to pay. Only applicable
+    /// for post-EIP-1559 transactions.
+    fn max_fee_per_gas(&self) -> Option<U256>;
+
+    /// The maximum fee per blob gas the sender is willing to pay. Only
+    /// applicable for EIP-4844 transactions.
+    fn max_fee_per_blob_gas(&self) -> Option<U256>;
+
+    /// The maximum priority fee per gas the sender is willing to pay. Only
+    /// applicable for post-EIP-1559 transactions.
+    fn max_priority_fee_per_gas(&self) -> Option<U256>;
+
+    /// The transaction's nonce.
+    fn nonce(&self) -> u64;
+
+    /// The address that receives the call, if any.
+    fn to(&self) -> Option<Address>;
+
+    /// The total amount of blob gas used by the transaction. Only applicable
+    /// for EIP-4844 transactions.
+    fn total_blob_gas(&self) -> Option<u64>;
+
+    /// The hash of the transaction.
+    fn transaction_hash(&self) -> &B256;
+
+    /// The type of the transaction.
+    fn transaction_type(&self) -> TransactionType;
+
+    /// The value of the transaction.
+    fn value(&self) -> U256;
+}
+
+pub fn max_cost(transaction: &impl Transaction) -> U256 {
+    U256::from(transaction.gas_limit()).saturating_mul(transaction.gas_price())
+}
+
+pub fn upfront_cost(transaction: &impl Transaction) -> U256 {
+    max_cost(transaction).saturating_add(transaction.value())
+}
+
 /// Represents _all_ transaction requests received from RPC
 #[derive(Clone, Debug, PartialEq, Eq, Default)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
@@ -50,8 +104,11 @@ pub struct EthTransactionRequest {
     #[cfg_attr(feature = "serde", serde(default))]
     pub access_list: Option<Vec<AccessListItem>>,
     /// EIP-2718 type
-    #[cfg_attr(feature = "serde", serde(default, rename = "type"))]
-    pub transaction_type: Option<U256>,
+    #[cfg_attr(
+        feature = "serde",
+        serde(default, rename = "type", with = "crate::serde::optional_u64")
+    )]
+    pub transaction_type: Option<u64>,
     /// Blobs (EIP-4844)
     pub blobs: Option<Vec<Bytes>>,
     /// Blob versioned hashes (EIP-4844)