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feat: Add StorageIndex newtype #2428

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feat: Add StorageIndex newtype #2428

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f583e8b
replaced storage_index from u64 to proper type
varun-doshi Dec 2, 2024
c2fc124
fmt
varun-doshi Dec 2, 2024
d127455
fixed comments and lint
varun-doshi Dec 4, 2024
dd4dbf6
fix: fixed lint
varun-doshi Dec 4, 2024
20e82d9
renamed to TrieStorageIndex and moved to Storage crate
varun-doshi Dec 10, 2024
a4152a9
convert u64 index types to TrieStorageIndex
varun-doshi Dec 11, 2024
c20bfac
merge:main
varun-doshi Dec 11, 2024
596af2e
fmt
varun-doshi Dec 11, 2024
d818c5a
updated to pass tests
varun-doshi Dec 13, 2024
5b6d3ae
resolved comments
varun-doshi Dec 22, 2024
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3 changes: 2 additions & 1 deletion crates/merkle-tree/src/contract.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ use pathfinder_common::{
StorageValue,
};
use pathfinder_crypto::Felt;
use pathfinder_storage::connection::storage_index::TrieStorageIndex;
use pathfinder_storage::{Transaction, TrieUpdate};

use crate::merkle_node::InternalNode;
Expand Down Expand Up @@ -173,7 +174,7 @@ impl<'tx> StorageCommitmentTree<'tx> {
block: Some(block),
};

let tree = MerkleTree::new(root);
let tree = MerkleTree::new(TrieStorageIndex::new(root.get()));
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Do we need the TrieStorageIndex conversion here? As far as I've seen tx.storage_root_index() is now returning an Option<TrieStorageIndex> now so this seems to be redundant.


Ok(Self { tree, storage })
}
Expand Down
45 changes: 32 additions & 13 deletions crates/merkle-tree/src/merkle_node.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,14 +12,15 @@ use bitvec::prelude::BitVec;
use bitvec::slice::BitSlice;
use pathfinder_common::hash::FeltHash;
use pathfinder_crypto::Felt;
use pathfinder_storage::connection::storage_index::TrieStorageIndex;

/// A node in a Binary Merkle-Patricia Tree graph.
#[derive(Clone, Debug, PartialEq)]
pub enum InternalNode {
/// A node that has not been fetched from storage yet.
///
/// As such, all we know is its index.
Unresolved(u64),
Unresolved(TrieStorageIndex),
/// A branch node with exactly two children.
Binary(BinaryNode),
/// Describes a path connecting two other nodes.
Expand All @@ -32,7 +33,7 @@ pub enum InternalNode {
#[derive(Clone, Debug, PartialEq)]
pub struct BinaryNode {
/// The storage index of this node (if it was loaded from storage).
pub storage_index: Option<u64>,
pub storage_index: Option<TrieStorageIndex>,
/// The height of this node in the tree.
pub height: usize,
/// [Left](Direction::Left) child.
Expand All @@ -44,7 +45,7 @@ pub struct BinaryNode {
#[derive(Clone, Debug, PartialEq)]
pub struct EdgeNode {
/// The storage index of this node (if it was loaded from storage).
pub storage_index: Option<u64>,
pub storage_index: Option<TrieStorageIndex>,
/// The starting height of this node in the tree.
pub height: usize,
/// The path this edge takes.
Expand Down Expand Up @@ -144,9 +145,11 @@ impl InternalNode {
matches!(self, InternalNode::Leaf)
}

pub fn storage_index(&self) -> Option<u64> {
pub fn storage_index(&self) -> Option<TrieStorageIndex> {
match self {
InternalNode::Unresolved(storage_index) => Some(*storage_index),
InternalNode::Unresolved(storage_index) => {
Some(TrieStorageIndex::new(storage_index.get()))
}
InternalNode::Binary(binary) => binary.storage_index,
InternalNode::Edge(edge) => edge.storage_index,
InternalNode::Leaf => None,
Expand Down Expand Up @@ -231,8 +234,12 @@ mod tests {
let uut = BinaryNode {
storage_index: None,
height: 1,
left: Rc::new(RefCell::new(InternalNode::Unresolved(1))),
right: Rc::new(RefCell::new(InternalNode::Unresolved(2))),
left: Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(1),
))),
right: Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(2),
))),
};

let mut zero_key = bitvec![u8, Msb0; 1; 251];
Expand All @@ -250,8 +257,12 @@ mod tests {

#[test]
fn get_child() {
let left = Rc::new(RefCell::new(InternalNode::Unresolved(1)));
let right = Rc::new(RefCell::new(InternalNode::Unresolved(2)));
let left = Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(1),
)));
let right = Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(2),
)));

let uut = BinaryNode {
storage_index: None,
Expand Down Expand Up @@ -319,7 +330,9 @@ mod tests {
#[test]
fn full() {
let key = felt!("0x123456789abcdef");
let child = Rc::new(RefCell::new(InternalNode::Unresolved(1)));
let child = Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(1),
)));

let uut = EdgeNode {
storage_index: None,
Expand All @@ -334,7 +347,9 @@ mod tests {
#[test]
fn prefix() {
let key = felt!("0x123456789abcdef");
let child = Rc::new(RefCell::new(InternalNode::Unresolved(1)));
let child = Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(1),
)));

let path = key.view_bits()[..45].to_bitvec();

Expand All @@ -351,7 +366,9 @@ mod tests {
#[test]
fn suffix() {
let key = felt!("0x123456789abcdef");
let child = Rc::new(RefCell::new(InternalNode::Unresolved(1)));
let child = Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(1),
)));

let path = key.view_bits()[50..].to_bitvec();

Expand All @@ -368,7 +385,9 @@ mod tests {
#[test]
fn middle_slice() {
let key = felt!("0x123456789abcdef");
let child = Rc::new(RefCell::new(InternalNode::Unresolved(1)));
let child = Rc::new(RefCell::new(InternalNode::Unresolved(
TrieStorageIndex::new(1),
)));

let path = key.view_bits()[230..235].to_bitvec();

Expand Down
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