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[contracts] Remove stack height limiter wasm instrumentation (#12957)

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* Remove stack height limiter from uploaded wasm

* fix benchmarks

* ".git/.scripts/bench-bot.sh" pallet dev pallet_contracts

Co-authored-by: command-bot <>
Co-authored-by: Alexander Theißen <alex.theissen@me.com>
This commit is contained in:
Sasha Gryaznov
2022-12-22 19:22:57 +02:00
committed by GitHub
parent 4083b5358a
commit 29f8f037b7
5 changed files with 12 additions and 69 deletions
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substrate/frame/contracts/src/schedule.rs
+1 -17
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@@ -99,23 +99,9 @@ pub struct Limits {
/// The maximum number of topics supported by an event.
pub event_topics: u32,
/// Maximum allowed stack height in number of elements.
///
/// See <https://wiki.parity.io/WebAssembly-StackHeight> to find out
/// how the stack frame cost is calculated. Each element can be of one of the
/// wasm value types. This means the maximum size per element is 64bit.
///
/// # Note
///
/// It is safe to disable (pass `None`) the `stack_height` when the execution engine
/// is part of the runtime and hence there can be no indeterminism between different
/// client resident execution engines.
pub stack_height: Option<u32>,
/// Maximum number of globals a module is allowed to declare.
///
/// Globals are not limited through the `stack_height` as locals are. Neither does
/// the linear memory limit `memory_pages` applies to them.
/// Globals are not limited through the linear memory limit `memory_pages`.
pub globals: u32,
/// Maximum number of locals a function can have.
@@ -532,8 +518,6 @@ impl Default for Limits {
fn default() -> Self {
Self {
event_topics: 4,
// No stack limit required because we use a runtime resident execution engine.
stack_height: None,
globals: 256,
locals: 1024,
parameters: 128,