alloy_eip7928/
storage_change.rs

1//! Contains the [`StorageChange`] struct, which represents a single storage write operation within
2//! a transaction.
3
4use crate::BlockAccessIndex;
5use alloy_primitives::U256;
6
7/// Represents a single storage write operation within a transaction.
8#[derive(Debug, Clone, Default, PartialEq, Eq, Hash)]
9#[cfg_attr(feature = "rlp", derive(alloy_rlp::RlpEncodable, alloy_rlp::RlpDecodable))]
10#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
11#[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
12#[cfg_attr(feature = "serde", serde(rename_all = "camelCase"))]
13#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
14pub struct StorageChange {
15    /// Index of the bal that stores the performed write.
16    #[cfg_attr(
17        feature = "serde",
18        serde(rename = "index", alias = "blockAccessIndex", alias = "txIndex")
19    )]
20    pub block_access_index: BlockAccessIndex,
21    /// The new value written to the storage slot.
22    #[cfg_attr(
23        feature = "serde",
24        serde(rename = "value", alias = "newValue", alias = "postValue")
25    )]
26    pub new_value: U256,
27}
28
29impl StorageChange {
30    /// Creates a new `StorageChange`.
31    #[inline]
32    pub const fn new(block_access_index: BlockAccessIndex, new_value: U256) -> Self {
33        Self { block_access_index, new_value }
34    }
35
36    /// Returns true if the new value is zero.
37    #[inline]
38    pub fn is_zero(&self) -> bool {
39        self.new_value.is_zero()
40    }
41
42    /// Returns true if this change is recorded at the given block access index.
43    #[inline]
44    pub fn is_at_index(&self, block_index: BlockAccessIndex) -> bool {
45        self.block_access_index == block_index
46    }
47
48    /// Returns a copy with a different storage value.
49    #[inline]
50    pub const fn with_value(&self, value: U256) -> Self {
51        Self { block_access_index: self.block_access_index, new_value: value }
52    }
53}
alloy_eip7928/storage_change.rs

alloy_eip7928/
storage_change.rs
