098da6d0cc
* evm: code comments and cleanup * context comment * abci, tx type event and metrics * statedb comments
37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
package keeper
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import (
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"time"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/cosmos/cosmos-sdk/telemetry"
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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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"github.com/tharsis/ethermint/x/evm/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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defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyBeginBlocker)
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k.WithContext(ctx)
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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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defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyEndBlocker)
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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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k.WithContext(infCtx)
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k.SetBlockBloom(infCtx, req.Height, ethtypes.BytesToBloom(k.GetBlockBloomTransient().Bytes()))
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k.WithContext(ctx)
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return []abci.ValidatorUpdate{}
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}
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