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contracts: Prevent PoV attack vector with minimal viable solution (#11372)

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* Add ContractAccessWeight

* Apply suggestions from code review

Co-authored-by: Michael Müller <michi@parity.io>

Co-authored-by: Michael Müller <michi@parity.io>
This commit is contained in:
Alexander Theißen
2022-05-09 11:25:14 +02:00
committed by GitHub
parent e30c18d61d
commit 4b64c9085a
4 changed files with 63 additions and 10 deletions
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substrate/bin/node/runtime/src/lib.rs
+6 -2
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@@ -1059,8 +1059,11 @@ parameter_types! {
pub const DepositPerByte: Balance = deposit(0, 1);
pub const MaxValueSize: u32 = 16 * 1024;
// The lazy deletion runs inside on_initialize.
pub DeletionWeightLimit: Weight = AVERAGE_ON_INITIALIZE_RATIO *
RuntimeBlockWeights::get().max_block;
pub DeletionWeightLimit: Weight = RuntimeBlockWeights::get()
.per_class
.get(DispatchClass::Normal)
.max_total
.unwrap_or(RuntimeBlockWeights::get().max_block);
// The weight needed for decoding the queue should be less or equal than a fifth
// of the overall weight dedicated to the lazy deletion.
pub DeletionQueueDepth: u32 = ((DeletionWeightLimit::get() / (
@@ -1093,6 +1096,7 @@ impl pallet_contracts::Config for Runtime {
type DeletionWeightLimit = DeletionWeightLimit;
type Schedule = Schedule;
type AddressGenerator = pallet_contracts::DefaultAddressGenerator;
type ContractAccessWeight = pallet_contracts::DefaultContractAccessWeight<RuntimeBlockWeights>;
}
impl pallet_sudo::Config for Runtime {