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abci_app.go
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/
abci_app.go
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package mint
import (
sdk "github.com/cosmos/cosmos-sdk/types"
)
// Inflate every block, update inflation parameters once per hour
func BeginBlocker(ctx sdk.Context, k Keeper) {
// fetch stored minter & params
minter := k.GetMinter(ctx)
params := k.GetParams(ctx)
// recalculate inflation rate
totalSupply := k.sk.TotalPower(ctx)
bondedRatio := k.sk.BondedRatio(ctx)
minter.Inflation = minter.NextInflationRate(params, bondedRatio)
minter.AnnualProvisions = minter.NextAnnualProvisions(params, totalSupply)
k.SetMinter(ctx, minter)
// mint coins, add to collected fees, update supply
mintedCoin := minter.BlockProvision(params)
k.fck.AddCollectedFees(ctx, sdk.Coins{mintedCoin})
k.sk.InflateSupply(ctx, sdk.NewDecFromInt(mintedCoin.Amount))
}