laconicd-deprecated/x/evm/abci.go
noot 1f63ddfe96
evm: update msgs to accept zero gas price (#299)
* update keeper to accept gas price=0; default pending to latest

* cleanup

* more cleanup

* more cleanup

* more cleanup

* more cleanup

* ante: copy IncrementSequenceDecorator from SDK's AnteHandler

* improve bloom test

* lint

* update msg error

Co-authored-by: Federico Kunze <federico.kunze94@gmail.com>
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
2020-05-14 22:08:13 -04:00

47 lines
1.4 KiB
Go

package evm
import (
"math/big"
abci "github.com/tendermint/tendermint/abci/types"
sdk "github.com/cosmos/cosmos-sdk/types"
ethtypes "github.com/ethereum/go-ethereum/core/types"
)
// BeginBlock sets the Bloom and Hash mappings and resets the Bloom filter and
// the transaction count to 0.
func BeginBlock(k Keeper, ctx sdk.Context, req abci.RequestBeginBlock) {
if req.Header.LastBlockId.GetHash() == nil || req.Header.GetHeight() < 1 {
return
}
// Consider removing this when using evm as module without web3 API
bloom := ethtypes.BytesToBloom(k.Bloom.Bytes())
k.SetBlockBloomMapping(ctx, bloom, req.Header.GetHeight())
k.SetBlockHashMapping(ctx, req.Header.LastBlockId.GetHash(), req.Header.GetHeight())
k.Bloom = big.NewInt(0)
k.TxCount = 0
}
// EndBlock updates the accounts and commits states objects to the KV Store
func EndBlock(k Keeper, ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
// Gas costs are handled within msg handler so costs should be ignored
ctx = ctx.WithBlockGasMeter(sdk.NewInfiniteGasMeter())
// Update account balances before committing other parts of state
k.CommitStateDB.UpdateAccounts()
// Commit state objects to KV store
_, err := k.CommitStateDB.WithContext(ctx).Commit(true)
if err != nil {
panic(err)
}
// Clear accounts cache after account data has been committed
k.CommitStateDB.ClearStateObjects()
return []abci.ValidatorUpdate{}
}