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go staking: increase reward amount denominator #3065

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Jun 29, 2020
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go staking: increase reward amount denominator #3065

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9d5068e
go staking: increase reward amount denominator
pro-wh Jun 29, 2020
dbc7868
add changelog
pro-wh Jun 29, 2020
b641b4b
go tendermint staking: scale up reward factors in tests
pro-wh Jun 29, 2020
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17 changes: 17 additions & 0 deletions .changelog/3065.breaking.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
go/staking: Increase reward amount denominator

This allows the genesis block writer to specify finer reward rates.

Associated genesis controls analysis:

```
RewardAmountDenominator
|- AddRewards
| |- RewardFactorEpochElectionAny
| '- RewardFactorEpochSigned
'- AddRewardSingleAttenuated
'- RewardFactorBlockProposed
```

Note to the genesis block writer: scale rewards factors **up** by a
factor of **1,000**.
4 changes: 2 additions & 2 deletions go/staking/api/rewards.go
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Expand Up @@ -17,9 +17,9 @@ type RewardStep struct {
}

func init() {
// Denominated in 1000th of a percent.
// Denominated in one millionth of a percent.
RewardAmountDenominator = quantity.NewQuantity()
err := RewardAmountDenominator.FromBigInt(big.NewInt(100_000))
err := RewardAmountDenominator.FromBigInt(big.NewInt(100_000_000))
if err != nil {
panic(err)
}
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