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Add fool protection and comment construct_block (#4715)

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* Add fool protection and comment construct_block

* Update bin/node/executor/tests/common.rs

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Sergei Pepyakin
2020-01-22 18:34:41 +01:00
committed by GitHub
parent 5bd6e94e64
commit 9a77b299df
1 changed files with 19 additions and 9 deletions
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substrate/bin/node/executor/tests/common.rs
+19 -9
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@@ -21,7 +21,7 @@ use sp_core::{
Blake2Hasher, NeverNativeValue, NativeOrEncoded,
traits::CodeExecutor,
};
use sp_runtime::traits::Header as HeaderT;
use sp_runtime::{ApplyExtrinsicResult, traits::Header as HeaderT};
use sc_executor::{NativeExecutor, WasmExecutionMethod};
use sc_executor::error::Result;
@@ -92,6 +92,10 @@ pub fn new_test_ext(code: &[u8], support_changes_trie: bool) -> TestExternalitie
ext
}
/// Construct a fake block.
///
/// `extrinsics` must be a list of valid extrinsics, i.e. none of the extrinsics for example
/// can report `ExhaustResources`. Otherwise, this function panics.
pub fn construct_block(
env: &mut TestExternalities<Blake2Hasher>,
number: BlockNumber,
@@ -104,10 +108,10 @@ pub fn construct_block(
let extrinsics = extrinsics.into_iter().map(sign).collect::<Vec<_>>();
// calculate the header fields that we can.
let extrinsics_root = Layout::<Blake2Hasher>::ordered_trie_root(
extrinsics.iter().map(Encode::encode)
).to_fixed_bytes()
.into();
let extrinsics_root =
Layout::<Blake2Hasher>::ordered_trie_root(extrinsics.iter().map(Encode::encode))
.to_fixed_bytes()
.into();
let header = Header {
parent_hash,
@@ -126,14 +130,20 @@ pub fn construct_block(
None,
).0.unwrap();
for i in extrinsics.iter() {
executor_call::<NeverNativeValue, fn() -> _>(
for extrinsic in extrinsics.iter() {
// Try to apply the `extrinsic`. It should be valid, in the sense that it passes
// all pre-inclusion checks.
let r = executor_call::<NeverNativeValue, fn() -> _>(
env,
"BlockBuilder_apply_extrinsic",
&i.encode(),
&extrinsic.encode(),
true,
None,
).0.unwrap();
).0.expect("application of an extrinsic failed").into_encoded();
match ApplyExtrinsicResult::decode(&mut &r[..]).expect("apply result deserialization failed") {
Ok(_) => {},
Err(e) => panic!("Applying extrinsic failed: {:?}", e),
}
}
let header = match executor_call::<NeverNativeValue, fn() -> _>(