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feat: add blob_gas_used #1704

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Nov 29, 2024
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Merged

feat: add blob_gas_used #1704

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10 changes: 10 additions & 0 deletions crates/consensus/src/transaction/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ pub use eip7702::TxEip7702;
/// [EIP-4844] constants, helpers, and types.
pub mod eip4844;

use alloy_eips::eip4844::DATA_GAS_PER_BLOB;
pub use alloy_eips::eip4844::{
builder::{SidecarBuilder, SidecarCoder, SimpleCoder},
utils as eip4844_utils, Blob, BlobTransactionSidecar, Bytes48,
Expand Down Expand Up @@ -158,6 +159,15 @@ pub trait Transaction: fmt::Debug + any::Any + Send + Sync + 'static {
/// `None`.
fn blob_versioned_hashes(&self) -> Option<&[B256]>;

/// Returns the total gas for all blobs in this transaction.
///
/// Returns `None` for non-eip4844 transactions.
#[inline]
fn blob_gas_used(&self) -> Option<u64> {
// SAFETY: we don't expect u64::MAX / DATA_GAS_PER_BLOB hashes in a single transaction
self.blob_versioned_hashes().map(|blobs| blobs.len() as u64 * DATA_GAS_PER_BLOB)
}

/// Returns the [`SignedAuthorization`] list of the transaction.
///
/// Returns `None` if this transaction is not EIP-7702.
Expand Down