laconicd-deprecated/x/evm/keeper/state_transition_test.go
2023-01-04 16:34:38 +05:30

726 lines
17 KiB
Go

package keeper_test
import (
"fmt"
"math"
"math/big"
"github.com/cerc-io/laconicd/tests"
"github.com/cerc-io/laconicd/x/evm/keeper"
"github.com/cerc-io/laconicd/x/evm/statedb"
"github.com/cerc-io/laconicd/x/evm/types"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
"github.com/tendermint/tendermint/crypto/tmhash"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
tmtypes "github.com/tendermint/tendermint/types"
)
func (suite *KeeperTestSuite) TestGetHashFn() {
header := suite.ctx.BlockHeader()
h, _ := tmtypes.HeaderFromProto(&header)
hash := h.Hash()
testCases := []struct {
msg string
height uint64
malleate func()
expHash common.Hash
}{
{
"case 1.1: context hash cached",
uint64(suite.ctx.BlockHeight()),
func() {
suite.ctx = suite.ctx.WithHeaderHash(tmhash.Sum([]byte("header")))
},
common.BytesToHash(tmhash.Sum([]byte("header"))),
},
{
"case 1.2: failed to cast Tendermint header",
uint64(suite.ctx.BlockHeight()),
func() {
header := tmproto.Header{}
header.Height = suite.ctx.BlockHeight()
suite.ctx = suite.ctx.WithBlockHeader(header)
},
common.Hash{},
},
{
"case 1.3: hash calculated from Tendermint header",
uint64(suite.ctx.BlockHeight()),
func() {
suite.ctx = suite.ctx.WithBlockHeader(header)
},
common.BytesToHash(hash),
},
{
"case 2.1: height lower than current one, hist info not found",
1,
func() {
suite.ctx = suite.ctx.WithBlockHeight(10)
},
common.Hash{},
},
{
"case 2.2: height lower than current one, invalid hist info header",
1,
func() {
suite.app.StakingKeeper.SetHistoricalInfo(suite.ctx, 1, &stakingtypes.HistoricalInfo{})
suite.ctx = suite.ctx.WithBlockHeight(10)
},
common.Hash{},
},
{
"case 2.3: height lower than current one, calculated from hist info header",
1,
func() {
histInfo := &stakingtypes.HistoricalInfo{
Header: header,
}
suite.app.StakingKeeper.SetHistoricalInfo(suite.ctx, 1, histInfo)
suite.ctx = suite.ctx.WithBlockHeight(10)
},
common.BytesToHash(hash),
},
{
"case 3: height greater than current one",
200,
func() {},
common.Hash{},
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.msg), func() {
suite.SetupTest() // reset
tc.malleate()
hash := suite.app.EvmKeeper.GetHashFn(suite.ctx)(tc.height)
suite.Require().Equal(tc.expHash, hash)
})
}
}
func (suite *KeeperTestSuite) TestGetCoinbaseAddress() {
valOpAddr := tests.GenerateAddress()
testCases := []struct {
msg string
malleate func()
expPass bool
}{
{
"validator not found",
func() {
header := suite.ctx.BlockHeader()
header.ProposerAddress = []byte{}
suite.ctx = suite.ctx.WithBlockHeader(header)
},
false,
},
{
"success",
func() {
valConsAddr, privkey := tests.NewAddrKey()
pkAny, err := codectypes.NewAnyWithValue(privkey.PubKey())
suite.Require().NoError(err)
validator := stakingtypes.Validator{
OperatorAddress: sdk.ValAddress(valOpAddr.Bytes()).String(),
ConsensusPubkey: pkAny,
}
suite.app.StakingKeeper.SetValidator(suite.ctx, validator)
err = suite.app.StakingKeeper.SetValidatorByConsAddr(suite.ctx, validator)
suite.Require().NoError(err)
header := suite.ctx.BlockHeader()
header.ProposerAddress = valConsAddr.Bytes()
suite.ctx = suite.ctx.WithBlockHeader(header)
_, found := suite.app.StakingKeeper.GetValidatorByConsAddr(suite.ctx, valConsAddr.Bytes())
suite.Require().True(found)
suite.Require().NotEmpty(suite.ctx.BlockHeader().ProposerAddress)
},
true,
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.msg), func() {
suite.SetupTest() // reset
tc.malleate()
proposerAddress := suite.ctx.BlockHeader().ProposerAddress
coinbase, err := suite.app.EvmKeeper.GetCoinbaseAddress(suite.ctx, sdk.ConsAddress(proposerAddress))
if tc.expPass {
suite.Require().NoError(err)
suite.Require().Equal(valOpAddr, coinbase)
} else {
suite.Require().Error(err)
}
})
}
}
func (suite *KeeperTestSuite) TestGetEthIntrinsicGas() {
testCases := []struct {
name string
data []byte
accessList ethtypes.AccessList
height int64
isContractCreation bool
noError bool
expGas uint64
}{
{
"no data, no accesslist, not contract creation, not homestead, not istanbul",
nil,
nil,
1,
false,
true,
params.TxGas,
},
{
"with one zero data, no accesslist, not contract creation, not homestead, not istanbul",
[]byte{0},
nil,
1,
false,
true,
params.TxGas + params.TxDataZeroGas*1,
},
{
"with one non zero data, no accesslist, not contract creation, not homestead, not istanbul",
[]byte{1},
nil,
1,
true,
true,
params.TxGas + params.TxDataNonZeroGasFrontier*1,
},
{
"no data, one accesslist, not contract creation, not homestead, not istanbul",
nil,
[]ethtypes.AccessTuple{
{},
},
1,
false,
true,
params.TxGas + params.TxAccessListAddressGas,
},
{
"no data, one accesslist with one storageKey, not contract creation, not homestead, not istanbul",
nil,
[]ethtypes.AccessTuple{
{StorageKeys: make([]common.Hash, 1)},
},
1,
false,
true,
params.TxGas + params.TxAccessListAddressGas + params.TxAccessListStorageKeyGas*1,
},
{
"no data, no accesslist, is contract creation, is homestead, not istanbul",
nil,
nil,
2,
true,
true,
params.TxGasContractCreation,
},
{
"with one zero data, no accesslist, not contract creation, is homestead, is istanbul",
[]byte{1},
nil,
3,
false,
true,
params.TxGas + params.TxDataNonZeroGasEIP2028*1,
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.name), func() {
suite.SetupTest() // reset
params := suite.app.EvmKeeper.GetParams(suite.ctx)
ethCfg := params.ChainConfig.EthereumConfig(suite.app.EvmKeeper.ChainID())
ethCfg.HomesteadBlock = big.NewInt(2)
ethCfg.IstanbulBlock = big.NewInt(3)
signer := ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID())
suite.ctx = suite.ctx.WithBlockHeight(tc.height)
nonce := suite.app.EvmKeeper.GetNonce(suite.ctx, suite.address)
m, err := newNativeMessage(
nonce,
suite.ctx.BlockHeight(),
suite.address,
ethCfg,
suite.signer,
signer,
ethtypes.AccessListTxType,
tc.data,
tc.accessList,
)
suite.Require().NoError(err)
gas, err := suite.app.EvmKeeper.GetEthIntrinsicGas(suite.ctx, m, ethCfg, tc.isContractCreation)
if tc.noError {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
suite.Require().Equal(tc.expGas, gas)
})
}
}
func (suite *KeeperTestSuite) TestGasToRefund() {
testCases := []struct {
name string
gasconsumed uint64
refundQuotient uint64
expGasRefund uint64
expPanic bool
}{
{
"gas refund 5",
5,
1,
5,
false,
},
{
"gas refund 10",
10,
1,
10,
false,
},
{
"gas refund availableRefund",
11,
1,
10,
false,
},
{
"gas refund quotient 0",
11,
0,
0,
true,
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.name), func() {
suite.mintFeeCollector = true
suite.SetupTest() // reset
vmdb := suite.StateDB()
vmdb.AddRefund(10)
if tc.expPanic {
panicF := func() {
keeper.GasToRefund(vmdb.GetRefund(), tc.gasconsumed, tc.refundQuotient)
}
suite.Require().Panics(panicF)
} else {
gr := keeper.GasToRefund(vmdb.GetRefund(), tc.gasconsumed, tc.refundQuotient)
suite.Require().Equal(tc.expGasRefund, gr)
}
})
}
suite.mintFeeCollector = false
}
func (suite *KeeperTestSuite) TestRefundGas() {
var (
m core.Message
err error
)
testCases := []struct {
name string
leftoverGas uint64
refundQuotient uint64
noError bool
expGasRefund uint64
malleate func()
}{
{
name: "leftoverGas more than tx gas limit",
leftoverGas: params.TxGas + 1,
refundQuotient: params.RefundQuotient,
noError: false,
expGasRefund: params.TxGas + 1,
},
{
name: "leftoverGas equal to tx gas limit, insufficient fee collector account",
leftoverGas: params.TxGas,
refundQuotient: params.RefundQuotient,
noError: true,
expGasRefund: 0,
},
{
name: "leftoverGas less than to tx gas limit",
leftoverGas: params.TxGas - 1,
refundQuotient: params.RefundQuotient,
noError: true,
expGasRefund: 0,
},
{
name: "no leftoverGas, refund half used gas ",
leftoverGas: 0,
refundQuotient: params.RefundQuotient,
noError: true,
expGasRefund: params.TxGas / params.RefundQuotient,
},
{
name: "invalid Gas value in msg",
leftoverGas: 0,
refundQuotient: params.RefundQuotient,
noError: false,
expGasRefund: params.TxGas,
malleate: func() {
keeperParams := suite.app.EvmKeeper.GetParams(suite.ctx)
m, err = suite.createContractGethMsg(
suite.StateDB().GetNonce(suite.address),
ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID()),
keeperParams.ChainConfig.EthereumConfig(suite.app.EvmKeeper.ChainID()),
big.NewInt(-100),
)
suite.Require().NoError(err)
},
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.name), func() {
suite.mintFeeCollector = true
suite.SetupTest() // reset
keeperParams := suite.app.EvmKeeper.GetParams(suite.ctx)
ethCfg := keeperParams.ChainConfig.EthereumConfig(suite.app.EvmKeeper.ChainID())
signer := ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID())
vmdb := suite.StateDB()
m, err = newNativeMessage(
vmdb.GetNonce(suite.address),
suite.ctx.BlockHeight(),
suite.address,
ethCfg,
suite.signer,
signer,
ethtypes.AccessListTxType,
nil,
nil,
)
suite.Require().NoError(err)
vmdb.AddRefund(params.TxGas)
if tc.leftoverGas > m.Gas() {
return
}
if tc.malleate != nil {
tc.malleate()
}
gasUsed := m.Gas() - tc.leftoverGas
refund := keeper.GasToRefund(vmdb.GetRefund(), gasUsed, tc.refundQuotient)
suite.Require().Equal(tc.expGasRefund, refund)
err = suite.app.EvmKeeper.RefundGas(suite.ctx, m, refund, "aphoton")
if tc.noError {
suite.Require().NoError(err)
} else {
suite.Require().Error(err)
}
})
}
suite.mintFeeCollector = false
}
func (suite *KeeperTestSuite) TestResetGasMeterAndConsumeGas() {
testCases := []struct {
name string
gasConsumed uint64
gasUsed uint64
expPanic bool
}{
{
"gas consumed 5, used 5",
5,
5,
false,
},
{
"gas consumed 5, used 10",
5,
10,
false,
},
{
"gas consumed 10, used 10",
10,
10,
false,
},
{
"gas consumed 11, used 10, NegativeGasConsumed panic",
11,
10,
true,
},
{
"gas consumed 1, used 10, overflow panic",
1,
math.MaxUint64,
true,
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.name), func() {
suite.SetupTest() // reset
panicF := func() {
gm := sdk.NewGasMeter(10)
gm.ConsumeGas(tc.gasConsumed, "")
ctx := suite.ctx.WithGasMeter(gm)
suite.app.EvmKeeper.ResetGasMeterAndConsumeGas(ctx, tc.gasUsed)
}
if tc.expPanic {
suite.Require().Panics(panicF)
} else {
suite.Require().NotPanics(panicF)
}
})
}
}
func (suite *KeeperTestSuite) TestEVMConfig() {
proposerAddress := suite.ctx.BlockHeader().ProposerAddress
cfg, err := suite.app.EvmKeeper.EVMConfig(suite.ctx, proposerAddress, big.NewInt(9000))
suite.Require().NoError(err)
suite.Require().Equal(types.DefaultParams(), cfg.Params)
// london hardfork is enabled by default
suite.Require().Equal(big.NewInt(0), cfg.BaseFee)
suite.Require().Equal(suite.address, cfg.CoinBase)
suite.Require().Equal(types.DefaultParams().ChainConfig.EthereumConfig(big.NewInt(9000)), cfg.ChainConfig)
}
func (suite *KeeperTestSuite) TestContractDeployment() {
contractAddress := suite.DeployTestContract(suite.T(), suite.address, big.NewInt(10000000000000))
db := suite.StateDB()
suite.Require().Greater(db.GetCodeSize(contractAddress), 0)
}
func (suite *KeeperTestSuite) TestApplyMessage() {
expectedGasUsed := params.TxGas
var msg core.Message
proposerAddress := suite.ctx.BlockHeader().ProposerAddress
config, err := suite.app.EvmKeeper.EVMConfig(suite.ctx, proposerAddress, big.NewInt(9000))
suite.Require().NoError(err)
keeperParams := suite.app.EvmKeeper.GetParams(suite.ctx)
chainCfg := keeperParams.ChainConfig.EthereumConfig(suite.app.EvmKeeper.ChainID())
signer := ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID())
tracer := suite.app.EvmKeeper.Tracer(suite.ctx, msg, config.ChainConfig)
vmdb := suite.StateDB()
msg, err = newNativeMessage(
vmdb.GetNonce(suite.address),
suite.ctx.BlockHeight(),
suite.address,
chainCfg,
suite.signer,
signer,
ethtypes.AccessListTxType,
nil,
nil,
)
suite.Require().NoError(err)
res, err := suite.app.EvmKeeper.ApplyMessage(suite.ctx, msg, tracer, true)
suite.Require().NoError(err)
suite.Require().Equal(expectedGasUsed, res.GasUsed)
suite.Require().False(res.Failed())
}
func (suite *KeeperTestSuite) TestApplyMessageWithConfig() {
var (
msg core.Message
err error
expectedGasUsed uint64
config *types.EVMConfig
keeperParams types.Params
signer ethtypes.Signer
vmdb *statedb.StateDB
txConfig statedb.TxConfig
chainCfg *params.ChainConfig
)
testCases := []struct {
name string
malleate func()
expErr bool
}{
{
"messsage applied ok",
func() {
msg, err = newNativeMessage(
vmdb.GetNonce(suite.address),
suite.ctx.BlockHeight(),
suite.address,
chainCfg,
suite.signer,
signer,
ethtypes.AccessListTxType,
nil,
nil,
)
suite.Require().NoError(err)
},
false,
},
{
"call contract tx with config param EnableCall = false",
func() {
config.Params.EnableCall = false
msg, err = newNativeMessage(
vmdb.GetNonce(suite.address),
suite.ctx.BlockHeight(),
suite.address,
chainCfg,
suite.signer,
signer,
ethtypes.AccessListTxType,
nil,
nil,
)
suite.Require().NoError(err)
},
true,
},
{
"create contract tx with config param EnableCreate = false",
func() {
msg, err = suite.createContractGethMsg(vmdb.GetNonce(suite.address), signer, chainCfg, big.NewInt(1))
suite.Require().NoError(err)
config.Params.EnableCreate = false
},
true,
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.name), func() {
suite.SetupTest()
expectedGasUsed = params.TxGas
proposerAddress := suite.ctx.BlockHeader().ProposerAddress
config, err = suite.app.EvmKeeper.EVMConfig(suite.ctx, proposerAddress, big.NewInt(9000))
suite.Require().NoError(err)
keeperParams = suite.app.EvmKeeper.GetParams(suite.ctx)
chainCfg = keeperParams.ChainConfig.EthereumConfig(suite.app.EvmKeeper.ChainID())
signer = ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID())
vmdb = suite.StateDB()
txConfig = suite.app.EvmKeeper.TxConfig(suite.ctx, common.Hash{})
tc.malleate()
res, err := suite.app.EvmKeeper.ApplyMessageWithConfig(suite.ctx, msg, nil, true, config, txConfig)
if tc.expErr {
suite.Require().Error(err)
return
}
suite.Require().NoError(err)
suite.Require().False(res.Failed())
suite.Require().Equal(expectedGasUsed, res.GasUsed)
})
}
}
func (suite *KeeperTestSuite) createContractGethMsg(nonce uint64, signer ethtypes.Signer, cfg *params.ChainConfig, gasPrice *big.Int) (core.Message, error) {
ethMsg, err := suite.createContractMsgTx(nonce, signer, cfg, gasPrice)
if err != nil {
return nil, err
}
msgSigner := ethtypes.MakeSigner(cfg, big.NewInt(suite.ctx.BlockHeight()))
return ethMsg.AsMessage(msgSigner, nil)
}
func (suite *KeeperTestSuite) createContractMsgTx(nonce uint64, signer ethtypes.Signer, cfg *params.ChainConfig, gasPrice *big.Int) (*types.MsgEthereumTx, error) {
contractCreateTx := &ethtypes.AccessListTx{
GasPrice: gasPrice,
Gas: params.TxGasContractCreation,
To: nil,
Data: []byte("contract_data"),
Nonce: nonce,
}
ethTx := ethtypes.NewTx(contractCreateTx)
ethMsg := &types.MsgEthereumTx{}
ethMsg.FromEthereumTx(ethTx)
ethMsg.From = suite.address.Hex()
return ethMsg, ethMsg.Sign(signer, suite.signer)
}
func (suite *KeeperTestSuite) TestGetProposerAddress() {
var a sdk.ConsAddress
address := sdk.ConsAddress(suite.address.Bytes())
proposerAddress := sdk.ConsAddress(suite.ctx.BlockHeader().ProposerAddress)
testCases := []struct {
msg string
adr sdk.ConsAddress
expAdr sdk.ConsAddress
}{
{
"proposer address provided",
address,
address,
},
{
"nil proposer address provided",
nil,
proposerAddress,
},
{
"typed nil proposer address provided",
a,
proposerAddress,
},
}
for _, tc := range testCases {
suite.Run(fmt.Sprintf("Case %s", tc.msg), func() {
suite.Require().Equal(tc.expAdr, keeper.GetProposerAddress(suite.ctx, tc.adr))
})
}
}