Struct polkavm::CallerRef

pub struct CallerRef<T> { /* private fields */ }

A handle used to access the execution context, with erased lifetimes for convenience.

Can only be used from within the handler to which the original Caller was passed. Will panic if used incorrectly.

Implementations

impl<T> CallerRef<T>

pub fn data(&self) -> &T

pub fn data_mut(&mut self) -> &mut T

pub fn get_reg(&self, reg: Reg) -> u32

pub fn set_reg(&mut self, reg: Reg, value: u32)

pub fn read_memory_into_slice<'slice, B>( &self, address: u32, buffer: &'slice mut B, ) -> Result<&'slice mut [u8], Trap>

where B: ?Sized + AsUninitSliceMut,

pub fn read_memory_into_vec( &self, address: u32, length: u32, ) -> Result<Vec<u8>, Trap>

pub fn read_u32(&self, address: u32) -> Result<u32, Trap>

pub fn write_memory(&mut self, address: u32, data: &[u8]) -> Result<(), Trap>

pub fn gas_remaining(&self) -> Option<Gas>

pub fn consume_gas(&mut self, gas: u64)