Struct ScriptStack 

pub struct ScriptStack { /* private fields */ }

Minimal stack abstraction used by the interpreter.

Implementations

impl ScriptStack

pub fn new() -> Self

Creates an empty script stack.

pub fn from_items(items: Vec<Vec<u8>>) -> Result<Self, ScriptError>

Builds a stack from raw items after enforcing script-element limits.

pub fn push(&mut self, data: Vec<u8>) -> Result<(), ScriptError>

Pushes a raw stack element after enforcing the script-element limit.

pub fn push_bool(&mut self, value: bool) -> Result<(), ScriptError>

Pushes the canonical boolean stack encoding.

pub fn pop_bytes(&mut self) -> Result<Vec<u8>, TidecoinValidationError>

Pops the top element as raw bytes.

pub fn last(&self) -> Option<&Vec<u8>>

Borrows the top stack element.

pub fn len(&self) -> usize

Returns the number of stack elements.

pub fn is_empty(&self) -> bool

Returns whether the stack is empty.

Trait Implementations

impl Clone for ScriptStack

fn clone(&self) -> ScriptStack

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScriptStack

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

Formats the value using the given formatter.

impl Default for ScriptStack

fn default() -> ScriptStack

Returns the “default value” for a type.