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b77aab43bb
laconicd/app/ante/eth_test.go
Federico Kunze b77aab43bb
evm: refactor state transition (#41) 
* evm: keeper statedb refactor

* keeper: implement stateDB account, balance, nonce and suicide functions

* keeper: implement stateDB code and iterator functions

* keeper: implement stateDB log and preimage functions

* update code to use CommitStateDB

* tests updates

* journal changes (wip)

* cache fields

* journal and logs

* minor cleanup

* evm: state transition refactor

* evm: unpack revert errors

* evm: update state transition (wip)

* evm: remove journal related changes

* evm: delete empty account code and storage state

* update gas limit

* evm: header hash to/from context

* evm: minor params and state transition changes

* ante: state transition changes

* ante: refactor default sig gas consumer

* ante: ignore gas costs from ops other than intrinsic gas

* ante: CanTransferDecorator

* evm: refund gas

* update comments

* state transition comments

* ante: CanTransfer and AccessList decorator tests

* evm: cleanup state transition

* ignore nonce increment during ante handler on contract creation

* fix ante tests

* more test fixes
2021-06-02 04:52:53 -04:00

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package ante_test
import (
"math/big"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/ethermint/app/ante"
"github.com/cosmos/ethermint/tests"
evmtypes "github.com/cosmos/ethermint/x/evm/types"
"github.com/ethereum/go-ethereum/common"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
)
func nextFn(ctx sdk.Context, _ sdk.Tx, _ bool) (sdk.Context, error) {
return ctx, nil
}
func (suite AnteTestSuite) TestEthSigVerificationDecorator() {
dec := ante.NewEthSigVerificationDecorator(suite.app.EvmKeeper)
addr, privKey := newTestAddrKey()
signedTx := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
signedTx.From = addr.Hex()
err := signedTx.Sign(suite.ethSigner, tests.NewSigner(privKey))
suite.Require().NoError(err)
testCases := []struct {
name string
tx sdk.Tx
reCheckTx bool
expPass bool
}{
{"ReCheckTx", nil, true, true},
{"invalid transaction type", &invalidTx{}, false, false},
{
"invalid sender",
evmtypes.NewMsgEthereumTx(suite.app.EvmKeeper.ChainID(), 1, &addr, big.NewInt(10), 1000, big.NewInt(1), nil, nil),
false,
false,
},
{"successful signature verification", signedTx, false, true},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
consumed := suite.ctx.GasMeter().GasConsumed()
ctx, err := dec.AnteHandle(suite.ctx.WithIsReCheckTx(tc.reCheckTx), tc.tx, false, nextFn)
suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed())
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite AnteTestSuite) TestNewEthAccountVerificationDecorator() {
dec := ante.NewEthAccountVerificationDecorator(
suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.EvmKeeper,
)
addr, _ := newTestAddrKey()
tx := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
tx.From = addr.Hex()
testCases := []struct {
name string
tx sdk.Tx
malleate func()
checkTx bool
expPass bool
}{
{"not CheckTx", nil, func() {}, false, true},
{"invalid transaction type", &invalidTx{}, func() {}, true, false},
{
"sender not set to msg",
evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil),
func() {},
true,
false,
},
{
"not enough balance to cover tx cost",
tx,
func() {},
true,
false,
},
{
"success new account",
tx,
func() {
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(1000000)))
suite.Require().NoError(err)
},
true,
true,
},
{
"success existing account",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(1000000)))
suite.Require().NoError(err)
},
true,
true,
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
tc.malleate()
consumed := suite.ctx.GasMeter().GasConsumed()
ctx, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(tc.checkTx), tc.tx, false, nextFn)
suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed())
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite AnteTestSuite) TestEthNonceVerificationDecorator() {
dec := ante.NewEthNonceVerificationDecorator(suite.app.AccountKeeper)
addr, _ := newTestAddrKey()
tx := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
tx.From = addr.Hex()
testCases := []struct {
name string
tx sdk.Tx
malleate func()
reCheckTx bool
expPass bool
}{
{"ReCheckTx", nil, func() {}, true, true},
{"invalid transaction type", &invalidTx{}, func() {}, false, false},
{"sender account not found", tx, func() {}, false, false},
{
"sender nonce missmatch",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
},
false,
false,
},
{
"success",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.Require().NoError(acc.SetSequence(1))
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
},
false,
true,
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
tc.malleate()
consumed := suite.ctx.GasMeter().GasConsumed()
ctx, err := dec.AnteHandle(suite.ctx.WithIsReCheckTx(tc.reCheckTx), tc.tx, false, nextFn)
suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed())
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite AnteTestSuite) TestEthGasConsumeDecorator() {
dec := ante.NewEthGasConsumeDecorator(
suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.EvmKeeper,
)
addr, _ := newTestAddrKey()
tx := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
tx.From = addr.Hex()
tx2 := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000000, big.NewInt(1), nil, &ethtypes.AccessList{{Address: addr, StorageKeys: nil}})
tx2.From = addr.Hex()
testCases := []struct {
name string
tx sdk.Tx
malleate func()
expPass bool
expPanic bool
}{
{"invalid transaction type", &invalidTx{}, func() {}, false, false},
{
"sender not found",
evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil),
func() {},
false, false,
},
{
"gas limit too low",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
},
false, false,
},
{
"not enough balance for fees",
tx2,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
},
false, false,
},
{
"not enough tx gas",
tx2,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(10000000000)))
suite.Require().NoError(err)
},
false, true,
},
{
"not enough block gas",
tx2,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(10000000000)))
suite.Require().NoError(err)
suite.ctx = suite.ctx.WithBlockGasMeter(sdk.NewGasMeter(1))
},
false, true,
},
{
"success",
tx2,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(10000000000)))
suite.Require().NoError(err)
suite.ctx = suite.ctx.WithBlockGasMeter(sdk.NewGasMeter(10000000000000000000))
},
true, false,
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
tc.malleate()
if tc.expPanic {
suite.Require().Panics(func() {
_, _ = dec.AnteHandle(suite.ctx.WithIsCheckTx(true).WithGasMeter(sdk.NewGasMeter(1)), tc.tx, false, nextFn)
})
return
}
consumed := suite.ctx.GasMeter().GasConsumed()
ctx, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(true), tc.tx, false, nextFn)
if tc.expPass {
suite.Require().NoError(err)
suite.Require().Equal(int(params.TxGasContractCreation+params.TxAccessListAddressGas), int(ctx.GasMeter().GasConsumed()-consumed))
} else {
suite.Require().Error(err)
}
})
}
}
func (suite AnteTestSuite) TestCanTransferDecorator() {
dec := ante.NewCanTransferDecorator(suite.app.EvmKeeper)
addr, _ := newTestAddrKey()
tx := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
tx2 := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
tx.From = addr.Hex()
testCases := []struct {
name string
tx sdk.Tx
malleate func()
expPass bool
}{
{"invalid transaction type", &invalidTx{}, func() {}, false},
{"AsMessage failed", tx2, func() {}, false},
{
"evm CanTransfer failed",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
},
false,
},
{
"success",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(10000000000)))
suite.Require().NoError(err)
},
true,
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
tc.malleate()
consumed := suite.ctx.GasMeter().GasConsumed()
ctx, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(true), tc.tx, false, nextFn)
suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed())
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite AnteTestSuite) TestAccessListDecorator() {
dec := ante.NewAccessListDecorator(suite.app.EvmKeeper)
addr, _ := newTestAddrKey()
al := &ethtypes.AccessList{
{Address: addr, StorageKeys: []common.Hash{{}}},
}
tx := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
tx2 := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, al)
tx3 := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
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},
{"AsMessage failed", tx3, func() {}, false},
{
"success - no access list",
tx,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(10000000000)))
suite.Require().NoError(err)
},
true,
},
{
"success - with access list",
tx2,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
err := suite.app.BankKeeper.SetBalance(suite.ctx, addr.Bytes(), sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(10000000000)))
suite.Require().NoError(err)
},
true,
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
tc.malleate()
consumed := suite.ctx.GasMeter().GasConsumed()
ctx, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(true), tc.tx, false, nextFn)
suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed())
if tc.expPass {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite AnteTestSuite) TestEthIncrementSenderSequenceDecorator() {
dec := ante.NewEthIncrementSenderSequenceDecorator(suite.app.AccountKeeper)
addr, privKey := newTestAddrKey()
contract := evmtypes.NewMsgEthereumTxContract(suite.app.EvmKeeper.ChainID(), 0, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
contract.From = addr.Hex()
to := tests.GenerateAddress()
tx := evmtypes.NewMsgEthereumTx(suite.app.EvmKeeper.ChainID(), 0, &to, big.NewInt(10), 1000, big.NewInt(1), nil, nil)
tx.From = addr.Hex()
err := contract.Sign(suite.ethSigner, tests.NewSigner(privKey))
suite.Require().NoError(err)
err = tx.Sign(suite.ethSigner, tests.NewSigner(privKey))
suite.Require().NoError(err)
testCases := []struct {
name string
tx sdk.Tx
malleate func()
expPass bool
expPanic bool
}{
{
"invalid transaction type",
&invalidTx{},
func() {},
false, false,
},
{
"no signers",
evmtypes.NewMsgEthereumTx(suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 1000, big.NewInt(1), nil, nil),
func() {},
false, true,
},
{
"account not set to store",
tx,
func() {},
false, false,
},
{
"success - create contract",
contract,
func() {
acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes())
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
},
true, false,
},
{
"success - call",
tx,
func() {},
true, false,
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
tc.malleate()
consumed := suite.ctx.GasMeter().GasConsumed()
if tc.expPanic {
suite.Require().Panics(func() {
_, _ = dec.AnteHandle(suite.ctx, tc.tx, false, nextFn)
})
return
}
ctx, err := dec.AnteHandle(suite.ctx, tc.tx, false, nextFn)
suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed())
if tc.expPass {
suite.Require().NoError(err)
msg := tc.tx.(*evmtypes.MsgEthereumTx)
nonce := suite.app.EvmKeeper.GetNonce(addr)
if msg.To() == nil {
suite.Require().Equal(msg.Data.Nonce, nonce)
} else {
suite.Require().Equal(msg.Data.Nonce+1, nonce)
}
} else {
suite.Require().Error(err)
}
})
}
}
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