reduce gas costs by 10x for transient store operations (#8790)
* reduce gas costs by 10x for transient store operations * fix TestTransientGasConfig for ReadCostFlat * added changelog entry * fix changelog * fix changelog Co-authored-by: Alessio Treglia <alessio@tendermint.com>
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@ -68,6 +68,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
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* (x/gov) [\#7733](https://github.com/cosmos/cosmos-sdk/pull/7733) ADR 037 Implementation: Governance Split Votes
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* (x/bank) [\#8656](https://github.com/cosmos/cosmos-sdk/pull/8656) balance and supply are now correctly tracked via `coin_spent`, `coin_received`, `coinbase` and `burn` events.
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* (x/bank) [\#8517](https://github.com/cosmos/cosmos-sdk/pull/8517) Supply is now stored and tracked as `sdk.Coins`
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* (store) [\#8790](https://github.com/cosmos/cosmos-sdk/pull/8790) Reduce gas costs by 10x for transient store operations.
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### Improvements
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@ -176,6 +176,13 @@ func KVGasConfig() GasConfig {
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// TransientGasConfig returns a default gas config for TransientStores.
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func TransientGasConfig() GasConfig {
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// TODO: define gasconfig for transient stores
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return KVGasConfig()
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return GasConfig{
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HasCost: 100,
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DeleteCost: 100,
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ReadCostFlat: 100,
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ReadCostPerByte: 0,
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WriteCostFlat: 200,
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WriteCostPerByte: 3,
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IterNextCostFlat: 3,
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}
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}
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@ -93,12 +93,12 @@ func TestTransientGasConfig(t *testing.T) {
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t.Parallel()
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config := TransientGasConfig()
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require.Equal(t, config, GasConfig{
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HasCost: 1000,
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DeleteCost: 1000,
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ReadCostFlat: 1000,
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ReadCostPerByte: 3,
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WriteCostFlat: 2000,
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WriteCostPerByte: 30,
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IterNextCostFlat: 30,
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HasCost: 100,
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DeleteCost: 100,
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ReadCostFlat: 100,
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ReadCostPerByte: 0,
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WriteCostFlat: 200,
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WriteCostPerByte: 3,
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IterNextCostFlat: 3,
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})
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}
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