Enum V1

pub enum V1 {}

Version 1 of the Zcash chain history tree.

This version was used for the Heartwood and Canopy epochs.

Trait Implementations

impl Version for V1

type NodeData = NodeData

The node data for this tree version.

fn consensus_branch_id(data: &Self::NodeData) -> u32

Returns the consensus branch ID for the given node data.

fn start_height(data: &Self::NodeData) -> u64

Returns the start height for the given node data.

fn end_height(data: &Self::NodeData) -> u64

Returns the end height for the given node data.

fn combine_inner( subtree_commitment: [u8; 32], left: &Self::NodeData, right: &Self::NodeData, ) -> Self::NodeData

Combines two nodes metadata.

fn read<R: Read>(consensus_branch_id: u32, r: &mut R) -> Result<Self::NodeData>

Parses node data from the given reader.

fn write<W: Write>(data: &Self::NodeData, w: &mut W) -> Result<()>

Writes the byte representation of the given node data to the given writer.

fn combine(left: &Self::NodeData, right: &Self::NodeData) -> Self::NodeData

Combines two nodes’ metadata.

fn to_bytes(data: &Self::NodeData) -> Vec<u8>

Converts to byte representation.

fn from_bytes<T: AsRef<[u8]>>( consensus_branch_id: u32, buf: T, ) -> Result<Self::NodeData>

Convert from byte representation.

fn hash(data: &Self::NodeData) -> [u8; 32]

Hash node metadata