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Make contract storage cheaper #945

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merged 3 commits into from
Feb 27, 2023
Merged

Make contract storage cheaper #945

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cb64780
Make contract storage cheaper.
DamianStraszak Feb 24, 2023
aacbb6c
Merge branch 'main' into contract-storage-fee
DamianStraszak Feb 24, 2023
3b3fbb4
Merge branch 'main' into contract-storage-fee
Marcin-Radecki Feb 27, 2023
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21 changes: 12 additions & 9 deletions bin/runtime/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -140,8 +140,11 @@ pub const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
pub const MAX_BLOCK_WEIGHT: Weight =
Weight::from_ref_time(WEIGHT_REF_TIME_PER_MILLIS.saturating_mul(400));

// The storage deposit is roughly 1 TOKEN per 1kB
pub const DEPOSIT_PER_BYTE: Balance = MILLI_AZERO;
// The storage deposit is roughly 1 TOKEN per 1kB -- this is the legacy value, used for pallet Identity and Multisig.
pub const LEGACY_DEPOSIT_PER_BYTE: Balance = MILLI_AZERO;

// The storage per one byte of contract storage: 4*10^{-5} AZERO per byte.
pub const CONTRACT_DEPOSIT_PER_BYTE: Balance = 4 * (TOKEN / 100_000);

parameter_types! {
pub const Version: RuntimeVersion = VERSION;
Expand Down Expand Up @@ -580,9 +583,9 @@ impl pallet_vesting::Config for Runtime {

parameter_types! {
// One storage item; key size is 32+32; value is size 4+4+16+32 bytes = 56 bytes.
pub const DepositBase: Balance = 120 * DEPOSIT_PER_BYTE;
pub const DepositBase: Balance = 120 * LEGACY_DEPOSIT_PER_BYTE;
// Additional storage item size of 32 bytes.
pub const DepositFactor: Balance = 32 * DEPOSIT_PER_BYTE;
pub const DepositFactor: Balance = 32 * LEGACY_DEPOSIT_PER_BYTE;
pub const MaxSignatories: u16 = 100;
}

Expand Down Expand Up @@ -659,9 +662,9 @@ const CONTRACTS_DEBUG_OUTPUT: bool = true;

parameter_types! {
// Refundable deposit per storage item
pub const DepositPerItem: Balance = 32 * DEPOSIT_PER_BYTE;
pub const DepositPerItem: Balance = 32 * CONTRACT_DEPOSIT_PER_BYTE;
// Refundable deposit per byte of storage
pub const DepositPerByte: Balance = DEPOSIT_PER_BYTE;
pub const DepositPerByte: Balance = CONTRACT_DEPOSIT_PER_BYTE;
// How much weight of each block can be spent on the lazy deletion queue of terminated contracts
pub DeletionWeightLimit: Weight = Perbill::from_percent(10) * BlockWeights::get().max_block; // 40ms
// Maximum size of the lazy deletion queue of terminated contracts.
Expand Down Expand Up @@ -696,9 +699,9 @@ impl pallet_contracts::Config for Runtime {
parameter_types! {
// bytes count taken from:
// https://github.com/paritytech/polkadot/blob/016dc7297101710db0483ab6ef199e244dff711d/runtime/kusama/src/lib.rs#L995
pub const BasicDeposit: Balance = 258 * DEPOSIT_PER_BYTE;
pub const FieldDeposit: Balance = 66 * DEPOSIT_PER_BYTE;
pub const SubAccountDeposit: Balance = 53 * DEPOSIT_PER_BYTE;
pub const BasicDeposit: Balance = 258 * LEGACY_DEPOSIT_PER_BYTE;
pub const FieldDeposit: Balance = 66 * LEGACY_DEPOSIT_PER_BYTE;
pub const SubAccountDeposit: Balance = 53 * LEGACY_DEPOSIT_PER_BYTE;
pub const MaxSubAccounts: u32 = 100;
pub const MaxAdditionalFields: u32 = 100;
pub const MaxRegistrars: u32 = 20;
Expand Down