feat(Gnovm/std): GasUsed function for std
#2149
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@thehowl can you take a look on this. I really need your opinion. |
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #2149 +/- ##
==========================================
- Coverage 49.93% 49.93% -0.01%
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Files 576 577 +1
Lines 77828 77841 +13
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+ Hits 38862 38868 +6
- Misses 35840 35849 +9
+ Partials 3126 3124 -2
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thehowl
reviewed
Jun 18, 2024
| @@ -13,6 +13,8 @@ func IsOriginCall() bool // injected | |||
| func GetChainID() string // injected | |||
| func GetHeight() int64 // injected | |||
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| func GasUsed() int64 // injected | |||
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Please place this next to the other injected functions (and align // injected), please!
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| var ( | ||
| gasUsedInvoked = "GasUsedCalled" | ||
| /* | ||
| Consider where to save this config | ||
| defaultGasConfig = store.DefaultGasConfig() | ||
| */ | ||
| // defaultGasConfig = int64(1000) | ||
| defaultInvokeCost = store.DefaultGasConfig().ReadCostFlat | ||
| ) | ||
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| // DefaultCost will be consumed whenever GasUsed is called, now set it ReadCostPerByte | ||
| func GasUsed(m *gno.Machine) int64 { | ||
| m.GasMeter.ConsumeGas(defaultInvokeCost, gasUsedInvoked) | ||
| return m.GasMeter.GasConsumedToLimit() | ||
| } |
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Don't consume gas here; we'll need to benchmark all native functions and add a cost on another occasion.
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Apologies for the late review |
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Fixes #2467 |
9 tasks
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Closed due to #2571 |
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Contributors' checklist...
BREAKING CHANGE: xxxmessage was included in the descriptionAs discussion in #1998, We should have this gasUsed() std function with two potential use cases:
This PR defines a
GasUsed()func and adefaultInvokeCostin gas (?) withinstdpackage, and whenever theGasUsed()is invoked, the GasMeter will consume this amount, returns theGasConsumedToLimit.(?) What is a reasonable number for this amount? I just set it to 1000 (store.DefaultGasConfig().ReadCostFlat).
TODO: Should we move the default cost config into
store.DefaultGasConfig?