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ante: remove unused AccessListDecorator (#797)

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yihuang 2021-11-30 16:06:34 +08:00 committed by GitHub
parent 841c93cd65
commit ee72632582
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2 changed files with 0 additions and 117 deletions
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57
app/ante/eth.go
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@ -385,63 +385,6 @@ func (ctd CanTransferDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate
return next(ctx, tx, simulate)
}
// AccessListDecorator prepare an access list for the sender if Yolov3/Berlin/EIPs 2929 and 2930 are
// applicable at the current block number.
type AccessListDecorator struct {
evmKeeper EVMKeeper
}
// NewAccessListDecorator creates a new AccessListDecorator.
func NewAccessListDecorator(evmKeeper EVMKeeper) AccessListDecorator {
return AccessListDecorator{
evmKeeper: evmKeeper,
}
}
// AnteHandle handles the preparatory steps for executing an EVM state transition with
// regards to both EIP-2929 and EIP-2930:
//
// - Add sender to access list (2929)
// - Add destination to access list (2929)
// - Add precompiles to access list (2929)
// - Add the contents of the optional tx access list (2930)
//
// The AnteHandler will only prepare the access list if Yolov3/Berlin/EIPs 2929 and 2930 are applicable at the current number.
func (ald AccessListDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
params := ald.evmKeeper.GetParams(ctx)
ethCfg := params.ChainConfig.EthereumConfig(ald.evmKeeper.ChainID())
rules := ethCfg.Rules(big.NewInt(ctx.BlockHeight()))
// we don't need to prepare the access list if the chain is not currently on the Berlin upgrade
if !rules.IsBerlin {
return next(ctx, tx, simulate)
}
// setup the keeper context before setting the access list
ald.evmKeeper.WithContext(ctx)
for _, msg := range tx.GetMsgs() {
msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
if !ok {
return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type %T, expected %T", tx, (*evmtypes.MsgEthereumTx)(nil))
}
sender := common.BytesToAddress(msgEthTx.GetFrom())
txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
if err != nil {
return ctx, sdkerrors.Wrap(err, "failed to unpack tx data")
}
ald.evmKeeper.PrepareAccessList(sender, txData.GetTo(), vm.ActivePrecompiles(rules), txData.GetAccessList())
}
// set the original gas meter
ald.evmKeeper.WithContext(ctx)
return next(ctx, tx, simulate)
}
// EthIncrementSenderSequenceDecorator increments the sequence of the signers.
type EthIncrementSenderSequenceDecorator struct {
ak evmtypes.AccountKeeper

60
app/ante/eth_test.go
View File

@ -9,7 +9,6 @@ import (
"github.com/tharsis/ethermint/tests"
evmtypes "github.com/tharsis/ethermint/x/evm/types"
"github.com/ethereum/go-ethereum/common"
ethtypes "github.com/ethereum/go-ethereum/core/types"
)
@ -377,65 +376,6 @@ func (suite AnteTestSuite) TestCanTransferDecorator() {
}
}
func (suite AnteTestSuite) TestAccessListDecorator() {
dec := ante.NewAccessListDecorator(suite.app.EvmKeeper)
addr := tests.GenerateAddress()
al := &ethtypes.AccessList{
{Address: addr, StorageKeys: []common.Hash{{}}},
}
tx := evmtypes.NewTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil, nil, nil)
tx2 := evmtypes.NewTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil, nil, al)
tx.From = addr.Hex()
tx2.From = addr.Hex()
testCases := []struct {
name string
tx sdk.Tx
malleate func()
expPass bool
}{
{"invalid transaction type", &invalidTx{}, func() {}, false},
{
"success - no access list",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
suite.app.EvmKeeper.AddBalance(addr, big.NewInt(1000000))
},
true,
},
{
"success - with access list",
tx2,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
suite.app.EvmKeeper.AddBalance(addr, big.NewInt(1000000))
},
true,
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
tc.malleate()
_, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(true), tc.tx, false, nextFn)
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite AnteTestSuite) TestEthIncrementSenderSequenceDecorator() {
dec := ante.NewEthIncrementSenderSequenceDecorator(suite.app.AccountKeeper)
addr, privKey := tests.NewAddrKey()