Struct OrderedTransactionHeaders

pub struct OrderedTransactionHeaders(/* private fields */);

The ordered set of transaction headers in a ProvenBatch or ProvenBlock.

This is a newtype wrapper representing either:

• the set of transactions in a batch,
• or the flattened sets of transactions of each proven batch in a block.

This type cannot be constructed directly, but can be retrieved through:

• ProposedBatch::transaction_headers,
• OrderedBatches::into_transactions.

The rationale for this requirement is that it allows a client to cheaply validate the correctness of the transactions in a proven block returned by a remote prover.

Implementations

impl OrderedTransactionHeaders

pub fn new_unchecked(transactions: Vec<TransactionHeader>) -> Self

Creates a new set of ordered transaction headers from the provided vector.

Warning

See the type-level documentation for the requirements of the passed transactions.

pub fn commitment(&self) -> Digest

Computes a commitment to the list of transactions.

This is a sequential hash over each transaction’s ID and its account ID.

pub fn as_slice(&self) -> &[TransactionHeader]

Returns a reference to the underlying transaction headers.

pub fn into_vec(self) -> Vec<TransactionHeader>

Consumes self and returns the underlying vector of transaction headers.

pub fn compute_commitment( transactions: impl Iterator<Item = (TransactionId, AccountId)>, ) -> Digest

Computes a commitment to the provided list of transactions.

Each transaction is represented by a transaction ID and an account ID which it was executed against. The commitment is a sequential hash over (transaction_id, account_id) tuples.

Trait Implementations

impl Clone for OrderedTransactionHeaders

fn clone(&self) -> OrderedTransactionHeaders

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for OrderedTransactionHeaders

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Deserializable for OrderedTransactionHeaders

fn read_from<R: ByteReader>( source: &mut R, ) -> Result<Self, DeserializationError>

Reads a sequence of bytes from the provided source, attempts to deserialize these bytes into Self, and returns the result.

fn read_from_bytes(bytes: &[u8]) -> Result<Self, DeserializationError>

Attempts to deserialize the provided bytes into Self and returns the result.

impl PartialEq for OrderedTransactionHeaders

fn eq(&self, other: &OrderedTransactionHeaders) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serializable for OrderedTransactionHeaders

fn write_into<W: ByteWriter>(&self, target: &mut W)

Serializes self into bytes and writes these bytes into the target.

fn to_bytes(&self) -> Vec<u8>

Serializes self into a vector of bytes.

fn get_size_hint(&self) -> usize

Returns an estimate of how many bytes are needed to represent self.

impl Eq for OrderedTransactionHeaders

impl StructuralPartialEq for OrderedTransactionHeaders