Struct MmrPeaks
pub struct MmrPeaks { /* private fields */ }Implementations§
§impl MmrPeaks
impl MmrPeaks
pub fn forest(&self) -> Forest
pub fn forest(&self) -> Forest
Returns the underlying forest (a set of mountain range peaks).
pub fn num_leaves(&self) -> usize
pub fn num_leaves(&self) -> usize
Returns a count of leaves in the underlying MMR.
pub fn get_peak(&self, peak_idx: usize) -> Result<&Word, MmrError>
pub fn get_peak(&self, peak_idx: usize) -> Result<&Word, MmrError>
Returns the peak by the provided index.
§Errors
Returns an error if the provided peak index is greater or equal to the current number of peaks in the Mmr.
pub fn into_parts(self) -> (Forest, Vec<Word>)
pub fn into_parts(self) -> (Forest, Vec<Word>)
Converts this MmrPeaks into its components: number of leaves (represented as a [Forest])
and a vector of peaks of the underlying MMR.
pub fn hash_peaks(&self) -> Word
pub fn hash_peaks(&self) -> Word
Hashes the peaks.
The procedure will:
- Flatten and pad the peaks to a vector of Felts.
- Hash the vector of Felts.
pub fn verify(&self, value: Word, opening: MmrProof) -> Result<(), MmrError>
pub fn verify(&self, value: Word, opening: MmrProof) -> Result<(), MmrError>
Verifies the Merkle opening proof.
§Errors
Returns an error if:
- provided opening proof is invalid.
- Mmr root value computed using the provided leaf value differs from the actual one.
pub fn flatten_and_pad_peaks(&self) -> Vec<Felt>
pub fn flatten_and_pad_peaks(&self) -> Vec<Felt>
Flattens and pads the peaks to make hashing inside of the Miden VM easier.
The procedure will:
- Flatten the vector of Words into a vector of Felts.
- Pad the peaks with ZERO to an even number of words, this removes the need to handle Poseidon2 padding.
- Pad the peaks to a minimum length of 16 words, which reduces the constant cost of hashing.
Trait Implementations§
§impl<'de> Deserialize<'de> for MmrPeaks
impl<'de> Deserialize<'de> for MmrPeaks
§fn deserialize<__D>(
__deserializer: __D,
) -> Result<MmrPeaks, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D,
) -> Result<MmrPeaks, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
§impl Serialize for MmrPeaks
impl Serialize for MmrPeaks
§fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
impl Eq for MmrPeaks
impl StructuralPartialEq for MmrPeaks
Auto Trait Implementations§
impl Freeze for MmrPeaks
impl RefUnwindSafe for MmrPeaks
impl Send for MmrPeaks
impl Sync for MmrPeaks
impl Unpin for MmrPeaks
impl UnsafeUnpin for MmrPeaks
impl UnwindSafe for MmrPeaks
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