laconicd/x/feemarket/keeper/abci.go
yihuang 50e463725e
feemarket: update base fee in BeginBlock (#822)
* Update base fee in begin blocker

Closes: #820

* changelog

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
2021-12-15 02:10:52 +00:00

51 lines
1.2 KiB
Go

package keeper
import (
"fmt"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tharsis/ethermint/x/feemarket/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// BeginBlock updates base fee
func (k *Keeper) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
baseFee := k.CalculateBaseFee(ctx)
// return immediately if base fee is nil
if baseFee == nil {
return
}
k.SetBaseFee(ctx, baseFee)
// Store current base fee in event
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeFeeMarket,
sdk.NewAttribute(types.AttributeKeyBaseFee, baseFee.String()),
),
})
}
// EndBlock update block gas used.
// The EVM end block logic doesn't update the validator set, thus it returns
// an empty slice.
func (k *Keeper) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) {
if ctx.BlockGasMeter() == nil {
k.Logger(ctx).Error("block gas meter is nil when setting block gas used")
return
}
gasUsed := ctx.BlockGasMeter().GasConsumedToLimit()
k.SetBlockGasUsed(ctx, gasUsed)
ctx.EventManager().EmitEvent(sdk.NewEvent(
"block_gas",
sdk.NewAttribute("height", fmt.Sprintf("%d", ctx.BlockHeight())),
sdk.NewAttribute("amount", fmt.Sprintf("%d", ctx.BlockGasMeter().GasConsumedToLimit())),
))
}