// Copyright Tharsis Labs Ltd.(Evmos)
// SPDX-License-Identifier:ENCL-1.0(https://github.com/evmos/evmos/blob/main/LICENSE)
package keeper

import (
	abci "github.com/cometbft/cometbft/abci/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	ethtypes "github.com/ethereum/go-ethereum/core/types"
)

// BeginBlock sets the sdk Context and EIP155 chain id to the Keeper.
func (k *Keeper) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {
	k.WithChainID(ctx)
}

// EndBlock also retrieves the bloom filter value from the transient store and commits it to the
// KVStore. The EVM end block logic doesn't update the validator set, thus it returns
// an empty slice.
func (k *Keeper) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
	// Gas costs are handled within msg handler so costs should be ignored
	infCtx := ctx.WithGasMeter(sdk.NewInfiniteGasMeter())

	bloom := ethtypes.BytesToBloom(k.GetBlockBloomTransient(infCtx).Bytes())
	k.EmitBlockBloomEvent(infCtx, bloom)

	return []abci.ValidatorUpdate{}
}
