/
abci.go
43 lines (34 loc) · 1.11 KB
/
abci.go
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package keeper
import (
"time"
"github.com/Carina-labs/nova/x/mint/types"
"github.com/cosmos/cosmos-sdk/telemetry"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// BeginBlocker of mint module
func BeginBlocker(ctx sdk.Context, k Keeper) {
defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyBeginBlocker)
// fetch stored minter & params
minter := k.GetMinter(ctx)
params := k.GetParams(ctx)
// recalculate inflation rate
totalStakingSupply := k.StakingTokenSupply(ctx)
bondedRatio := k.BondedRatio(ctx)
minter.Inflation = minter.NextInflationRate(params, bondedRatio)
minter.AnnualProvisions = minter.NextAnnualProvisions(params, totalStakingSupply)
k.SetMinter(ctx, minter)
// mint coins, update supply
mintedCoin := minter.BlockProvision(params)
mintedCoins := sdk.NewCoins(mintedCoin)
err := k.MintCoins(ctx, mintedCoins)
if err != nil {
panic(err)
}
err = k.DistributeMintedCoin(ctx, mintedCoin)
if err != nil {
panic(err)
}
if mintedCoin.Amount.IsInt64() {
defer telemetry.ModuleSetGauge(types.ModuleName, float32(mintedCoin.Amount.Int64()), "minted_tokens")
}
}