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[contracts] Make debug buffer work like a FIFO pipe (#12953)

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* make debug buffer work like a FIFO pipe

* remove unused Error type

* Remove panics

* Update frame/contracts/src/exec.rs

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

Co-authored-by: Alexander Theißen <alex.theissen@me.com>
This commit is contained in:
Sasha Gryaznov
2022-12-27 15:24:49 +02:00
committed by GitHub
parent 67a50ffa54
commit 2691f6de2e
4 changed files with 52 additions and 43 deletions
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substrate/frame/contracts/src/wasm/runtime.rs
+2 -2
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@@ -2380,11 +2380,11 @@ pub mod env {
str_len: u32,
) -> Result<ReturnCode, TrapReason> {
ctx.charge_gas(RuntimeCosts::DebugMessage)?;
if ctx.ext.append_debug_buffer("")? {
if ctx.ext.append_debug_buffer("") {
let data = ctx.read_sandbox_memory(memory, str_ptr, str_len)?;
let msg =
core::str::from_utf8(&data).map_err(|_| <Error<E::T>>::DebugMessageInvalidUTF8)?;
ctx.ext.append_debug_buffer(msg)?;
ctx.ext.append_debug_buffer(msg);
return Ok(ReturnCode::Success)
}
Ok(ReturnCode::LoggingDisabled)