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fix(x/epochs): avoid invalid epoch duration in simulation #20030

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Apr 12, 2024
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fix(x/epochs): avoid invalid epoch duration in simulation #20030

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526f500
fix(x/epochs): avoid invalid epoch duration in simulation
mmsqe Apr 12, 2024
c212974
update doc
mmsqe Apr 12, 2024
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mmsqe Apr 12, 2024
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mmsqe Apr 12, 2024
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fix(x/epochs): avoid invalid epoch duration in simulation 
for more info, https://github.com/cosmos/cosmos-sdk/actions/runs/8663743427/job/23758527794?pr=20028
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mmsqe committed Apr 12, 2024
commit 526f500407fa748cd62056d260d7e1095c371f68
1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -114,6 +114,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
* [#19851](https://github.com/cosmos/cosmos-sdk/pull/19851) Fix some places in which we call Remove inside a Walk (x/staking and x/gov).
* (baseapp) [#19970](https://github.com/cosmos/cosmos-sdk/pull/19970) Fix default config values to use no-op mempool as default.
* (x/bank) [#20028](https://github.com/cosmos/cosmos-sdk/pull/20028) Align query with multi denoms for send-enabled.
* (simulation) [#](https://github.com/cosmos/cosmos-sdk/pull/) Avoid invalid epoch duration in x/epochs simulation.

### API Breaking Changes

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2 changes: 1 addition & 1 deletion x/epochs/simulation/genesis.go
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Expand Up @@ -14,7 +14,7 @@ import (

// GenCommunityTax randomized CommunityTax
func GenDuration(r *rand.Rand) time.Duration {
return time.Hour * time.Duration(r.Intn(168)) // limit 1 week
return time.Hour * time.Duration(r.Intn(167)+1) // between 1 hour to 1 week
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@coderabbitai coderabbitai bot Apr 12, 2024 •
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Ensure the upper bound of the random duration is correctly set. The current implementation (r.Intn(167)+1) generates a number between 1 and 167, which corresponds to 1 hour to 167 hours (not a full week). Consider adjusting this to r.Intn(168)+1 to include the full range up to 168 hours (1 week).

- return time.Hour * time.Duration(r.Intn(167)+1) // between 1 hour to 1 week
+ return time.Hour * time.Duration(r.Intn(168)+1) // between 1 hour to 1 week
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return time.Hour * time.Duration(r.Intn(167)+1) // between 1 hour to 1 week
return time.Hour * time.Duration(r.Intn(168)+1) // between 1 hour to 1 week

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should we follow the original logic which is 167 hours

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@mmsqe, the suggestion to adjust the upper bound to 168 hours was aimed at ensuring the duration could fully cover up to a complete week (168 hours). This adjustment was intended to enhance the accuracy of the simulation's time span.

However, if there's a specific reason or context within the simulation framework that makes 167 hours more appropriate, or if aligning exactly to a week introduces any issues, it would be helpful to understand that context. Could you please share if there's a particular reason for preferring the original logic of 167 hours? This will help in making the most informed decision.

}

func RandomizedEpochs(r *rand.Rand) []types.EpochInfo {
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