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chore: document InflationCalculationFn (#11945)

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Facundo Medica 2022-05-12 03:31:20 -03:00 committed by GitHub
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x/mint/spec/03_begin_block.md
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@ -7,7 +7,19 @@ order: 3
Minting parameters are recalculated and inflation
paid at the beginning of each block.
## NextInflationRate
## Inflation rate calculation
Inflation rate is calculated using an "inflation calculation function" that's
passed to the `NewAppModule` function. If no function is passed, then the SDK's
default inflation function will be used (`NextInflationRate`). In case a custom
inflation calculation logic is needed, this can be achieved by defining and
passing a function that matches `InflationCalculationFn`'s signature.
```go
type InflationCalculationFn func(ctx sdk.Context, minter Minter, params Params, bondedRatio sdk.Dec) sdk.Dec
```
### NextInflationRate
The target annual inflation rate is recalculated each block.
The inflation is also subject to a rate change (positive or negative)