pezkuwichain/pezkuwi-subxt
1
0
Fork 0
mirror of https://github.com/pezkuwichain/pezkuwi-subxt.git synced 2026-06-11 17:41:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

contracts: Charge rent for code storage (#7935)

Browse Source 
* contracts: Implement refcounting for wasm code

* contracts: Charge rent for code storage

* contracts: Fix dispatchables erroneously refunding base costs

* Fixed typos in comments.

Co-authored-by: Andrew Jones <ascjones@gmail.com>

* Remove awkward empty line

* Fix more typos in docs

* Fix typos in docs

Co-authored-by: Andrew Jones <ascjones@gmail.com>

* Split up complicated expression

Co-authored-by: Andrew Jones <ascjones@gmail.com>

* review: Remove unused return value

* Fix typos

Co-authored-by: Andrew Jones <ascjones@gmail.com>

* review: Fix refcount being reset to one on re-instrumentation

* Document evictable_code parameter

* Make Executable::execute consume and store itself

* Added comments about stale values

* Disregard struct size in occupied_storage()

Co-authored-by: Andrew Jones <ascjones@gmail.com>
This commit is contained in:
Alexander Theißen
2021-02-04 12:01:34 +01:00
committed by GitHub
parent 5569313bd6
commit 8e49a8a6a6
17 changed files with 1903 additions and 1529 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/contracts/src/benchmarking/code.rs
+6 -5
View File
@@ -103,7 +103,7 @@ pub struct ImportedFunction {
pub return_type: Option<ValueType>,
}
/// A wasm module ready to be put on chain with `put_code`.
/// A wasm module ready to be put on chain.
#[derive(Clone)]
pub struct WasmModule<T:Config> {
pub code: Vec<u8>,
@@ -245,16 +245,16 @@ where
}
/// Creates a wasm module of `target_bytes` size. Used to benchmark the performance of
/// `put_code` for different sizes of wasm modules. The generated module maximizes
/// `instantiate_with_code` for different sizes of wasm modules. The generated module maximizes
/// instrumentation runtime by nesting blocks as deeply as possible given the byte budget.
pub fn sized(target_bytes: u32) -> Self {
use parity_wasm::elements::Instruction::{If, I32Const, Return, End};
// Base size of a contract is 47 bytes and each expansion adds 6 bytes.
// Base size of a contract is 63 bytes and each expansion adds 6 bytes.
// We do one expansion less to account for the code section and function body
// size fields inside the binary wasm module representation which are leb128 encoded
// and therefore grow in size when the contract grows. We are not allowed to overshoot
// because of the maximum code size that is enforced by `put_code`.
let expansions = (target_bytes.saturating_sub(47) / 6).saturating_sub(1);
// because of the maximum code size that is enforced by `instantiate_with_code`.
let expansions = (target_bytes.saturating_sub(63) / 6).saturating_sub(1);
const EXPANSION: [Instruction; 4] = [
I32Const(0),
If(BlockType::NoResult),
@@ -263,6 +263,7 @@ where
];
ModuleDefinition {
call_body: Some(body::repeated(expansions, &EXPANSION)),
memory: Some(ImportedMemory::max::<T>()),
.. Default::default()
}
.into()