revm_context_interface/
local.rs

1use core::{
2    cell::{Ref, RefCell},
3    ops::Range,
4};
5use primitives::{Bytes, B256};
6use std::{rc::Rc, vec::Vec};
7
8/// Local context used for caching initcode from Initcode transactions.
9pub trait LocalContextTr {
10    /// Get the local context
11    fn insert_initcodes(&mut self, initcodes: &[Bytes]);
12    /// Get validated initcode by hash. if initcode is not validated it is assumed
13    /// that validation is going to be performed inside this function.
14    fn get_validated_initcode(&mut self, hash: B256) -> Option<Bytes>;
15    /// Interpreter shared memory buffer. A reused memory buffer for calls.
16    fn shared_memory_buffer(&self) -> &Rc<RefCell<Vec<u8>>>;
17    /// Slice of the shared memory buffer returns None if range is not valid or buffer can't be borrowed.
18    fn shared_memory_buffer_slice(&self, range: Range<usize>) -> Option<Ref<'_, [u8]>> {
19        let buffer = self.shared_memory_buffer();
20        buffer.borrow().get(range.clone())?;
21        Some(Ref::map(buffer.borrow(), |b| {
22            b.get(range).unwrap_or_default()
23        }))
24    }
25    /// Clear the local context.
26    fn clear(&mut self);
27}
revm_context_interface/local.rs

revm_context_interface/
local.rs
