laconicd/x/evm/keeper/state_transition_test.go

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package keeper_test
import (
"fmt"
"math"
"math/big"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"github.com/ethereum/go-ethereum/common"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
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"github.com/tendermint/tendermint/crypto/tmhash"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
tmtypes "github.com/tendermint/tendermint/types"
"github.com/tharsis/ethermint/tests"
"github.com/tharsis/ethermint/x/evm/types"
)
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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")))
suite.app.EvmKeeper.WithContext(suite.ctx)
},
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)
suite.app.EvmKeeper.WithContext(suite.ctx)
},
common.Hash{},
},
{
"case 1.3: hash calculated from Tendermint header",
uint64(suite.ctx.BlockHeight()),
func() {
suite.ctx = suite.ctx.WithBlockHeader(header)
suite.app.EvmKeeper.WithContext(suite.ctx)
},
common.BytesToHash(hash),
},
{
"case 2.1: height lower than current one, hist info not found",
1,
func() {
suite.ctx = suite.ctx.WithBlockHeight(10)
suite.app.EvmKeeper.WithContext(suite.ctx)
},
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)
suite.app.EvmKeeper.WithContext(suite.ctx)
},
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)
suite.app.EvmKeeper.WithContext(suite.ctx)
},
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()(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)
suite.app.EvmKeeper.WithContext(suite.ctx)
},
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.app.EvmKeeper.WithContext(suite.ctx)
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()
coinbase, err := suite.app.EvmKeeper.GetCoinbaseAddress(suite.ctx)
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,
},
// we are not able to test the ErrGasUintOverflow due to RAM limitation
// {
// "with big data size overflow",
// make([]byte, 271300000000000000),
// nil,
// 1,
// false,
// false,
// 0,
// },
{
"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)
suite.app.EvmKeeper.WithContext(suite.ctx)
m, err := newNativeMessage(
suite.app.EvmKeeper.GetNonce(suite.address),
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(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
suite.app.EvmKeeper.AddRefund(10)
if tc.expPanic {
panicF := func() {
suite.app.EvmKeeper.GasToRefund(tc.gasconsumed, tc.refundQuotient)
}
suite.Require().Panics(panicF)
} else {
gr := suite.app.EvmKeeper.GasToRefund(tc.gasconsumed, tc.refundQuotient)
suite.Require().Equal(tc.expGasRefund, gr)
}
})
}
suite.mintFeeCollector = false
}
func (suite *KeeperTestSuite) TestRefundGas() {
testCases := []struct {
name string
leftoverGas uint64
refundQuotient uint64
noError bool
expGasRefund uint64
}{
{
"leftoverGas more than tx gas limit",
params.TxGas + 1,
params.RefundQuotient,
false,
params.TxGas + 1,
},
{
"leftoverGas equal to tx gas limit, insufficient fee collector account",
params.TxGas,
params.RefundQuotient,
true,
0,
},
{
"leftoverGas less than to tx gas limit",
params.TxGas - 1,
params.RefundQuotient,
true,
0,
},
{
"no leftoverGas, refund half used gas ",
0,
params.RefundQuotient,
true,
params.TxGas / params.RefundQuotient,
},
}
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())
m, err := newNativeMessage(
suite.app.EvmKeeper.GetNonce(suite.address),
suite.ctx.BlockHeight(),
suite.address,
ethCfg,
suite.signer,
signer,
ethtypes.AccessListTxType,
nil,
nil,
)
suite.Require().NoError(err)
suite.app.EvmKeeper.AddRefund(params.TxGas)
if tc.leftoverGas > m.Gas() {
return
}
gasUsed := m.Gas() - tc.leftoverGas
refund := suite.app.EvmKeeper.GasToRefund(gasUsed, tc.refundQuotient)
suite.Require().Equal(tc.expGasRefund, refund)
err = suite.app.EvmKeeper.RefundGas(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, "")
suite.ctx = suite.ctx.WithGasMeter(gm)
suite.app.EvmKeeper.WithContext(suite.ctx)
suite.app.EvmKeeper.ResetGasMeterAndConsumeGas(tc.gasUsed)
}
if tc.expPanic {
suite.Require().Panics(panicF)
} else {
suite.Require().NotPanics(panicF)
}
})
}
}
func (suite *KeeperTestSuite) TestEVMConfig() {
suite.SetupTest()
cfg, err := suite.app.EvmKeeper.EVMConfig(suite.ctx)
suite.Require().NoError(err)
suite.Require().Equal(types.DefaultParams(), cfg.Params)
suite.Require().Equal((*big.Int)(nil), cfg.BaseFee)
suite.Require().Equal(suite.address, cfg.CoinBase)
suite.Require().Equal(types.DefaultParams().ChainConfig.EthereumConfig(big.NewInt(9000)), cfg.ChainConfig)
}