Remove load_trusted_setup_from_bytes (#10719)

Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>

Cargo.lock

@@ -8038,9 +8038,7 @@ dependencies = [
  "secp256k1",
  "serde",
  "serde_json",
- "tempfile",
  "test-fuzz",
- "thiserror",
  "zstd",
 ]
 

bin/reth/src/commands/debug_cmd/build_block.rs

@@ -22,9 +22,9 @@ use reth_node_api::{NodeTypesWithDB, NodeTypesWithEngine, PayloadBuilderAttribut
 use reth_node_ethereum::EthExecutorProvider;
 use reth_payload_builder::database::CachedReads;
 use reth_primitives::{
-    constants::eip4844::LoadKzgSettingsError, revm_primitives::KzgSettings, Address,
-    BlobTransaction, BlobTransactionSidecar, Bytes, PooledTransactionsElement, SealedBlock,
-    SealedBlockWithSenders, Transaction, TransactionSigned, TxEip4844, B256, U256,
+    revm_primitives::KzgSettings, Address, BlobTransaction, BlobTransactionSidecar, Bytes,
+    PooledTransactionsElement, SealedBlock, SealedBlockWithSenders, Transaction, TransactionSigned,
+    TxEip4844, B256, U256,
 };
 use reth_provider::{
     providers::BlockchainProvider, BlockHashReader, BlockReader, BlockWriter, ChainSpecProvider,
@@ -107,7 +107,9 @@ impl<C: ChainSpecParser<ChainSpec = ChainSpec>> Command<C> {
     fn kzg_settings(&self) -> eyre::Result<EnvKzgSettings> {
         if let Some(ref trusted_setup_file) = self.trusted_setup_file {
             let trusted_setup = KzgSettings::load_trusted_setup_file(trusted_setup_file)
-                .map_err(LoadKzgSettingsError::KzgError)?;
+                .wrap_err_with(|| {
+                    format!("Failed to load trusted setup file: {:?}", trusted_setup_file)
+                })?;
             Ok(EnvKzgSettings::Custom(Arc::new(trusted_setup)))
         } else {
             Ok(EnvKzgSettings::Default)

crates/primitives/Cargo.toml

@@ -33,7 +33,9 @@ alloy-eips = { workspace = true, features = ["serde"] }
 
 # optimism
 op-alloy-rpc-types = { workspace = true, optional = true }
-op-alloy-consensus = { workspace = true, features = ["arbitrary"], optional = true }
+op-alloy-consensus = { workspace = true, features = [
+    "arbitrary",
+], optional = true }
 
 # crypto
 secp256k1 = { workspace = true, features = [
@@ -52,8 +54,6 @@ modular-bitfield = { workspace = true, optional = true }
 rayon.workspace = true
 serde.workspace = true
 once_cell.workspace = true
-tempfile = { workspace = true, optional = true }
-thiserror = { workspace = true, optional = true }
 zstd = { workspace = true, features = ["experimental"], optional = true }
 
 # arbitrary utils
@@ -87,7 +87,7 @@ pprof = { workspace = true, features = [
 
 [features]
 default = ["c-kzg", "alloy-compat", "std", "reth-codec", "secp256k1"]
-std = ["thiserror", "reth-primitives-traits/std"]
+std = ["reth-primitives-traits/std"]
 reth-codec = ["dep:reth-codecs", "dep:zstd", "dep:modular-bitfield", "std"]
 asm-keccak = ["alloy-primitives/asm-keccak"]
 arbitrary = [
@@ -101,7 +101,12 @@ arbitrary = [
     "reth-codec",
 ]
 secp256k1 = ["dep:secp256k1"]
-c-kzg = ["dep:c-kzg", "revm-primitives/c-kzg", "dep:tempfile", "alloy-eips/kzg", "alloy-consensus/kzg"]
+c-kzg = [
+    "dep:c-kzg",
+    "revm-primitives/c-kzg",
+    "alloy-eips/kzg",
+    "alloy-consensus/kzg",
+]
 optimism = [
     "reth-chainspec/optimism",
     "reth-ethereum-forks/optimism",
@@ -110,7 +115,12 @@ optimism = [
     "dep:reth-optimism-chainspec",
     "dep:op-alloy-consensus",
 ]
-alloy-compat = ["reth-primitives-traits/alloy-compat", "dep:alloy-rpc-types", "dep:alloy-serde", "dep:op-alloy-rpc-types"]
+alloy-compat = [
+    "reth-primitives-traits/alloy-compat",
+    "dep:alloy-rpc-types",
+    "dep:alloy-serde",
+    "dep:op-alloy-rpc-types",
+]
 test-utils = ["reth-primitives-traits/test-utils"]
 
 [[bench]]

crates/primitives/src/constants/eip4844.rs

@@ -1,45 +1,7 @@
 //! [EIP-4844](https://eips.ethereum.org/EIPS/eip-4844#parameters) protocol constants and utils for shard Blob Transactions.
-#[cfg(all(feature = "c-kzg", feature = "std"))]
-pub use trusted_setup::*;
 
 pub use alloy_eips::eip4844::{
     BLOB_GASPRICE_UPDATE_FRACTION, BLOB_TX_MIN_BLOB_GASPRICE, DATA_GAS_PER_BLOB,
     FIELD_ELEMENTS_PER_BLOB, FIELD_ELEMENT_BYTES, MAX_BLOBS_PER_BLOCK, MAX_DATA_GAS_PER_BLOCK,
     TARGET_BLOBS_PER_BLOCK, TARGET_DATA_GAS_PER_BLOCK, VERSIONED_HASH_VERSION_KZG,
 };
-
-// These 2 to silence unused
-#[cfg(all(feature = "c-kzg", not(feature = "std")))]
-use tempfile as _;
-#[cfg(all(not(feature = "c-kzg"), feature = "std"))]
-use thiserror as _;
-
-#[cfg(all(feature = "c-kzg", feature = "std"))]
-mod trusted_setup {
-    use crate::kzg::KzgSettings;
-    use std::io::Write;
-
-    /// Loads the trusted setup parameters from the given bytes and returns the [`KzgSettings`].
-    ///
-    /// This creates a temp file to store the bytes and then loads the [`KzgSettings`] from the file
-    /// via [`KzgSettings::load_trusted_setup_file`].
-    pub fn load_trusted_setup_from_bytes(
-        bytes: &[u8],
-    ) -> Result<KzgSettings, LoadKzgSettingsError> {
-        let mut file = tempfile::NamedTempFile::new().map_err(LoadKzgSettingsError::TempFileErr)?;
-        file.write_all(bytes).map_err(LoadKzgSettingsError::TempFileErr)?;
-        KzgSettings::load_trusted_setup_file(file.path()).map_err(LoadKzgSettingsError::KzgError)
-    }
-
-    /// Error type for loading the trusted setup.
-    #[derive(Debug, thiserror::Error)]
-    pub enum LoadKzgSettingsError {
-        /// Failed to create temp file to store bytes for loading [`KzgSettings`] via
-        /// [`KzgSettings::load_trusted_setup_file`].
-        #[error("failed to setup temp file: {0}")]
-        TempFileErr(#[from] std::io::Error),
-        /// Kzg error
-        #[error("KZG error: {0:?}")]
-        KzgError(#[from] c_kzg::Error),
-    }
-}