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A subtle bug in the bool predicate for checking against chain extension imports prevents importing the non-prefixed version even if chain extension are enabled are enabled (#14642)

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Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>
This commit is contained in:
Cyrill Leutwiler
2023-07-26 12:25:11 +02:00
committed by GitHub
parent c9b54e10ff
commit 47bb475d6d
2 changed files with 5 additions and 5 deletions
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substrate/frame/contracts/fixtures/chain_extension.wat
+3 -3
View File
@@ -1,7 +1,7 @@
;; Call chain extension by passing through input and output of this contract
(module
(import "seal0" "seal_call_chain_extension"
(func $seal_call_chain_extension (param i32 i32 i32 i32 i32) (result i32))
(import "seal0" "call_chain_extension"
(func $call_chain_extension (param i32 i32 i32 i32 i32) (result i32))
)
(import "seal0" "seal_input" (func $seal_input (param i32 i32)))
(import "seal0" "seal_return" (func $seal_return (param i32 i32 i32)))
@@ -30,7 +30,7 @@
(call $seal_input (i32.const 4) (i32.const 0))
;; the chain extension passes through the input and returns it as output
(call $seal_call_chain_extension
(call $call_chain_extension
(i32.load (i32.const 4)) ;; id
(i32.const 4) ;; input_ptr
(i32.load (i32.const 0)) ;; input_len
substrate/frame/contracts/src/wasm/prepare.rs
+2 -2
View File
@@ -168,8 +168,8 @@ impl LoadedModule {
let _ = import.ty().func().ok_or("expected a function")?;
if !<T as Config>::ChainExtension::enabled() &&
import.name().as_bytes() == b"seal_call_chain_extension" ||
import.name().as_bytes() == b"call_chain_extension"
(import.name().as_bytes() == b"seal_call_chain_extension" ||
import.name().as_bytes() == b"call_chain_extension")
{
return Err("Module uses chain extensions but chain extensions are disabled")
}