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Compare digests item-by-item (#869)

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* compare digest item-by-item

* update comment
This commit is contained in:
Svyatoslav Nikolsky
2018-10-05 15:16:22 +03:00
committed by Gav Wood
parent 4d18c50e67
commit 187c232629
3 changed files with 32 additions and 7 deletions
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substrate/srml/executive/src/lib.rs
+12 -5
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@@ -50,7 +50,7 @@ use rstd::prelude::*;
use rstd::marker::PhantomData;
use rstd::result;
use primitives::traits::{self, Header, Zero, One, Checkable, Applyable, CheckEqual, OnFinalise,
MakePayment, Hash, As};
MakePayment, Hash, As, Digest};
use runtime_support::Dispatchable;
use codec::{Codec, Encode};
use system::extrinsics_root;
@@ -204,10 +204,17 @@ impl<
// remove temporaries.
let new_header = <system::Module<System>>::finalise();
// check digest. uncomment next two lines to figure out next digest hash for tests.
// runtime_io::print(&header.digest().encode()[..]);
// runtime_io::print(&new_header.digest().encode()[..]);
assert!(header.digest() == new_header.digest());
// check digest.
assert_eq!(
header.digest().logs().len(),
new_header.digest().logs().len(),
"Number of digest items must match that calculated."
);
let items_zip = header.digest().logs().iter().zip(new_header.digest().logs().iter());
for (header_item, computed_item) in items_zip {
header_item.check_equal(&computed_item);
assert!(header_item == computed_item, "Digest item must match that calculated.");
}
// check storage root.
let storage_root = System::Hashing::storage_root();