> Aztec.nr API reference, v6.0.0 (mainnet and testnet). Index: https://docs.aztec.network/aztec-nr-api/v6.0.0/llms.txt

# Struct StateReference

Module: `noir_aztec::protocol::abis::state_reference`

```rust
pub struct StateReference {
    pub l1_to_l2_message_tree: AppendOnlyTreeSnapshot,
    pub partial: PartialStateReference,
}
```

Deprecated. Use `TreeSnapshots` instead.

## Fields

```rust
l1_to_l2_message_tree: AppendOnlyTreeSnapshot
```

```rust
partial: PartialStateReference
```

## Trait implementations

```rust
impl Deserialize for StateReference
```

```rust
pub fn deserialize(fields: [Field; 8]) -> Self
```

```rust
pub fn stream_deserialize<let K: u32>(reader: &mut Reader<K>) -> Self
```

```rust
impl Empty for StateReference
```

```rust
pub fn empty() -> Self
```

```rust
pub fn is_empty(self: Self) -> bool
where
    Self: Eq
```

```rust
pub fn assert_empty<let S: u32>(self: Self, msg: str<S>)
where
    Self: Eq
```

```rust
impl Eq for StateReference
```

```rust
pub fn eq(_self: Self, _other: Self) -> bool
```

```rust
impl Serialize for StateReference
```

```rust
pub fn serialize(self) -> [Field; 8]
```

```rust
pub fn stream_serialize<let K: u32>(self, writer: &mut Writer<K>)
```