43 lines
1.7 KiB
Go
43 lines
1.7 KiB
Go
// Copyright 2021 Evmos Foundation
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// This file is part of Evmos' Ethermint library.
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//
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// The Ethermint library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The Ethermint library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
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package keeper
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import (
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abci "github.com/tendermint/tendermint/abci/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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)
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// BeginBlock sets the sdk Context and EIP155 chain id to the Keeper.
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func (k *Keeper) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
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k.WithChainID(ctx)
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}
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// EndBlock also retrieves the bloom filter value from the transient store and commits it to the
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// KVStore. The EVM end block logic doesn't update the validator set, thus it returns
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// an empty slice.
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func (k *Keeper) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) []abci.ValidatorUpdate {
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// Gas costs are handled within msg handler so costs should be ignored
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infCtx := ctx.WithGasMeter(sdk.NewInfiniteGasMeter())
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bloom := ethtypes.BytesToBloom(k.GetBlockBloomTransient(infCtx).Bytes())
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k.EmitBlockBloomEvent(infCtx, bloom)
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return []abci.ValidatorUpdate{}
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}
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