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Introduce better hashing.

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- Blake2 for secure hashing
- XX for fast hashing
This commit is contained in:
Gav
2018-01-19 14:17:56 +01:00
parent 748ee54870
commit c29313c618
24 changed files with 307 additions and 98 deletions
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substrate/wasm-runtime/polkadot/src/runtime/system.rs
+3 -3
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@@ -45,7 +45,7 @@ pub fn execute_block(mut block: Block) {
// store the header hash in storage.
let header_hash_key = header.number.to_keyed_vec(b"sys\0old\0");
header.keccak256().store(&header_hash_key);
header.blake2_256().store(&header_hash_key);
// execute transactions
block.transactions.iter().for_each(execute_transaction);
@@ -97,7 +97,7 @@ mod tests {
use function::Function;
use keyedvec::KeyedVec;
use slicable::Slicable;
use runtime_support::with_externalities;
use runtime_support::{with_externalities, twox_128};
use primitives::{UncheckedTransaction, Transaction};
use statichex::StaticHexInto;
use runtime::{system, staking};
@@ -109,7 +109,7 @@ mod tests {
let two = two();
let mut t = TestExternalities { storage: map![
one.to_keyed_vec(b"sta\0bal\0") => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
twox_128(&one.to_keyed_vec(b"sta\0bal\0")).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0]
], };
let tx = UncheckedTransaction {