laconicd-deprecated/x/evm/keeper/statedb_test.go
Federico Kunze 614e62fb7e
additions
2021-04-18 17:54:18 +02:00

645 lines
16 KiB
Go

package keeper_test
import (
"fmt"
"math/big"
sdk "github.com/cosmos/cosmos-sdk/types"
ethcmn "github.com/ethereum/go-ethereum/common"
ethtypes "github.com/ethereum/go-ethereum/core/types"
ethcrypto "github.com/ethereum/go-ethereum/crypto"
"github.com/cosmos/ethermint/crypto/ethsecp256k1"
ethermint "github.com/cosmos/ethermint/types"
"github.com/cosmos/ethermint/x/evm/types"
)
func (suite *KeeperTestSuite) TestBloomFilter() {
// Prepare db for logs
tHash := ethcmn.BytesToHash([]byte{0x1})
suite.app.EvmKeeper.Prepare(suite.ctx, tHash, ethcmn.Hash{}, 0)
contractAddress := ethcmn.BigToAddress(big.NewInt(1))
log := ethtypes.Log{Address: contractAddress, Topics: []ethcmn.Hash{}}
testCase := []struct {
name string
malleate func()
numLogs int
isBloom bool
}{
{
"no logs",
func() {},
0,
false,
},
{
"add log",
func() {
suite.app.EvmKeeper.AddLog(suite.ctx, &log)
},
1,
false,
},
{
"bloom",
func() {},
0,
true,
},
}
for _, tc := range testCase {
tc.malleate()
logs, err := suite.app.EvmKeeper.GetLogs(suite.ctx, tHash)
if !tc.isBloom {
suite.Require().NoError(err, tc.name)
suite.Require().Len(logs, tc.numLogs, tc.name)
if len(logs) != 0 {
suite.Require().Equal(log, *logs[0], tc.name)
}
} else {
// get logs bloom from the log
bloomInt := ethtypes.LogsBloom(logs)
bloomFilter := ethtypes.BytesToBloom(bloomInt)
suite.Require().True(ethtypes.BloomLookup(bloomFilter, contractAddress), tc.name)
suite.Require().False(ethtypes.BloomLookup(bloomFilter, ethcmn.BigToAddress(big.NewInt(2))), tc.name)
}
}
}
func (suite *KeeperTestSuite) TestStateDB_Balance() {
testCase := []struct {
name string
malleate func()
balance *big.Int
}{
{
"set balance",
func() {
suite.app.EvmKeeper.SetBalance(suite.ctx, suite.address, big.NewInt(100))
},
big.NewInt(100),
},
{
"sub balance",
func() {
suite.app.EvmKeeper.SubBalance(suite.ctx, suite.address, big.NewInt(100))
},
big.NewInt(0),
},
{
"add balance",
func() {
suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, big.NewInt(200))
},
big.NewInt(200),
},
}
for _, tc := range testCase {
tc.malleate()
suite.Require().Equal(tc.balance, suite.app.EvmKeeper.GetBalance(suite.ctx, suite.address), tc.name)
}
}
func (suite *KeeperTestSuite) TestStateDBNonce() {
nonce := uint64(123)
suite.app.EvmKeeper.SetNonce(suite.ctx, suite.address, nonce)
suite.Require().Equal(nonce, suite.app.EvmKeeper.GetNonce(suite.ctx, suite.address))
}
func (suite *KeeperTestSuite) TestStateDB_Error() {
nonce := suite.app.EvmKeeper.GetNonce(suite.ctx, ethcmn.Address{})
suite.Require().Equal(0, int(nonce))
suite.Require().Error(suite.app.EvmKeeper.Error(suite.ctx))
}
func (suite *KeeperTestSuite) TestStateDB_Database() {
suite.Require().Nil(suite.app.EvmKeeper.Database(suite.ctx))
}
func (suite *KeeperTestSuite) TestStateDB_State() {
key := ethcmn.BytesToHash([]byte("foo"))
val := ethcmn.BytesToHash([]byte("bar"))
suite.app.EvmKeeper.SetState(suite.ctx, suite.address, key, val)
testCase := []struct {
name string
address ethcmn.Address
key ethcmn.Hash
value ethcmn.Hash
}{
{
"found state",
suite.address,
ethcmn.BytesToHash([]byte("foo")),
ethcmn.BytesToHash([]byte("bar")),
},
{
"state not found",
suite.address,
ethcmn.BytesToHash([]byte("key")),
ethcmn.Hash{},
},
{
"object not found",
ethcmn.Address{},
ethcmn.BytesToHash([]byte("foo")),
ethcmn.Hash{},
},
}
for _, tc := range testCase {
value := suite.app.EvmKeeper.GetState(suite.ctx, tc.address, tc.key)
suite.Require().Equal(tc.value, value, tc.name)
}
}
func (suite *KeeperTestSuite) TestStateDB_Code() {
testCase := []struct {
name string
address ethcmn.Address
code []byte
malleate func()
}{
{
"no stored code for state object",
suite.address,
nil,
func() {},
},
{
"existing address",
suite.address,
[]byte("code"),
func() {
suite.app.EvmKeeper.SetCode(suite.ctx, suite.address, []byte("code"))
},
},
{
"state object not found",
ethcmn.Address{},
nil,
func() {},
},
}
for _, tc := range testCase {
tc.malleate()
suite.Require().Equal(tc.code, suite.app.EvmKeeper.GetCode(suite.ctx, tc.address), tc.name)
suite.Require().Equal(len(tc.code), suite.app.EvmKeeper.GetCodeSize(suite.ctx, tc.address), tc.name)
}
}
func (suite *KeeperTestSuite) TestStateDB_Logs() {
testCase := []struct {
name string
log *ethtypes.Log
}{
{
"state db log",
&ethtypes.Log{
Address: suite.address,
Topics: []ethcmn.Hash{ethcmn.BytesToHash([]byte("topic"))},
Data: []byte("data"),
BlockNumber: 1,
TxHash: ethcmn.Hash{},
TxIndex: 1,
BlockHash: ethcmn.Hash{},
Index: 0,
Removed: false,
},
},
}
for _, tc := range testCase {
hash := ethcmn.BytesToHash([]byte("hash"))
logs := []*ethtypes.Log{tc.log}
err := suite.app.EvmKeeper.SetLogs(suite.ctx, hash, logs)
suite.Require().NoError(err, tc.name)
dbLogs, err := suite.app.EvmKeeper.GetLogs(suite.ctx, hash)
suite.Require().NoError(err, tc.name)
suite.Require().Equal(logs, dbLogs, tc.name)
suite.app.EvmKeeper.DeleteLogs(suite.ctx, hash)
dbLogs, err = suite.app.EvmKeeper.GetLogs(suite.ctx, hash)
suite.Require().NoError(err, tc.name)
suite.Require().Empty(dbLogs, tc.name)
suite.app.EvmKeeper.AddLog(suite.ctx, tc.log)
suite.Require().Equal(logs, suite.app.EvmKeeper.AllLogs(suite.ctx), tc.name)
//resets state but checking to see if storekey still persists.
err = suite.app.EvmKeeper.Reset(suite.ctx, hash)
suite.Require().NoError(err, tc.name)
suite.Require().Equal(logs, suite.app.EvmKeeper.AllLogs(suite.ctx), tc.name)
}
}
func (suite *KeeperTestSuite) TestStateDB_Preimage() {
hash := ethcmn.BytesToHash([]byte("hash"))
preimage := []byte("preimage")
suite.app.EvmKeeper.AddPreimage(suite.ctx, hash, preimage)
suite.Require().Equal(preimage, suite.app.EvmKeeper.Preimages(suite.ctx)[hash])
}
func (suite *KeeperTestSuite) TestStateDB_Refund() {
testCase := []struct {
name string
addAmount uint64
subAmount uint64
expRefund uint64
expPanic bool
}{
{
"refund 0",
0, 0, 0,
false,
},
{
"refund positive amount",
100, 0, 100,
false,
},
{
"refund panic",
100, 200, 100,
true,
},
}
for _, tc := range testCase {
suite.Run(tc.name, func() {
suite.SetupTest() // reset
suite.app.EvmKeeper.AddRefund(suite.ctx, tc.addAmount)
suite.Require().Equal(tc.addAmount, suite.app.EvmKeeper.GetRefund(suite.ctx))
if tc.expPanic {
suite.Panics(func() {
suite.app.EvmKeeper.SubRefund(suite.ctx, tc.subAmount)
})
} else {
suite.app.EvmKeeper.SubRefund(suite.ctx, tc.subAmount)
suite.Require().Equal(tc.expRefund, suite.app.EvmKeeper.GetRefund(suite.ctx))
}
})
}
}
func (suite *KeeperTestSuite) TestStateDB_CreateAccount() {
prevBalance := big.NewInt(12)
testCase := []struct {
name string
address ethcmn.Address
malleate func()
}{
{
"existing account",
suite.address,
func() {
suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, prevBalance)
},
},
{
"new account",
ethcmn.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b4c1"),
func() {
prevBalance = big.NewInt(0)
},
},
}
for _, tc := range testCase {
suite.Run(tc.name, func() {
suite.SetupTest() // reset
tc.malleate()
suite.app.EvmKeeper.CreateAccount(suite.ctx, tc.address)
suite.Require().True(suite.app.EvmKeeper.Exist(suite.ctx, tc.address))
suite.Require().Equal(prevBalance, suite.app.EvmKeeper.GetBalance(suite.ctx, tc.address))
})
}
}
func (suite *KeeperTestSuite) TestStateDB_ClearStateObj() {
priv, err := ethsecp256k1.GenerateKey()
suite.Require().NoError(err)
addr := ethcrypto.PubkeyToAddress(priv.ToECDSA().PublicKey)
suite.app.EvmKeeper.CreateAccount(suite.ctx, addr)
suite.Require().True(suite.app.EvmKeeper.Exist(suite.ctx, addr))
suite.app.EvmKeeper.ClearStateObjects(suite.ctx)
suite.Require().False(suite.app.EvmKeeper.Exist(suite.ctx, addr))
}
func (suite *KeeperTestSuite) TestStateDB_Reset() {
priv, err := ethsecp256k1.GenerateKey()
suite.Require().NoError(err)
addr := ethcrypto.PubkeyToAddress(priv.ToECDSA().PublicKey)
suite.app.EvmKeeper.CreateAccount(suite.ctx, addr)
suite.Require().True(suite.app.EvmKeeper.Exist(suite.ctx, addr))
err = suite.app.EvmKeeper.Reset(suite.ctx, ethcmn.BytesToHash(nil))
suite.Require().NoError(err)
suite.Require().False(suite.app.EvmKeeper.Exist(suite.ctx, addr))
}
func (suite *KeeperTestSuite) TestSuiteDB_Prepare() {
thash := ethcmn.BytesToHash([]byte("thash"))
bhash := ethcmn.BytesToHash([]byte("bhash"))
txi := 1
suite.app.EvmKeeper.Prepare(suite.ctx, thash, bhash, txi)
suite.Require().Equal(txi, suite.app.EvmKeeper.TxIndex(suite.ctx))
suite.Require().Equal(bhash, suite.app.EvmKeeper.BlockHash(suite.ctx))
}
func (suite *KeeperTestSuite) TestSuiteDB_CopyState() {
testCase := []struct {
name string
log ethtypes.Log
}{
{
"copy state",
ethtypes.Log{
Address: suite.address,
Topics: []ethcmn.Hash{ethcmn.BytesToHash([]byte("topic"))},
Data: []byte("data"),
BlockNumber: 1,
TxHash: ethcmn.Hash{},
TxIndex: 1,
BlockHash: ethcmn.Hash{},
Index: 0,
Removed: false,
},
},
}
for _, tc := range testCase {
hash := ethcmn.BytesToHash([]byte("hash"))
logs := []*ethtypes.Log{&tc.log}
err := suite.app.EvmKeeper.SetLogs(suite.ctx, hash, logs)
suite.Require().NoError(err, tc.name)
copyDB := suite.app.EvmKeeper.Copy(suite.ctx)
suite.Require().Equal(suite.app.EvmKeeper.Exist(suite.ctx, suite.address), copyDB.Exist(suite.address), tc.name)
}
}
func (suite *KeeperTestSuite) TestSuiteDB_Empty() {
suite.Require().True(suite.app.EvmKeeper.Empty(suite.ctx, suite.address))
suite.app.EvmKeeper.SetBalance(suite.ctx, suite.address, big.NewInt(100))
suite.Require().False(suite.app.EvmKeeper.Empty(suite.ctx, suite.address))
}
func (suite *KeeperTestSuite) TestSuiteDB_Suicide() {
testCase := []struct {
name string
amount *big.Int
expPass bool
delete bool
}{
{
"suicide zero balance",
big.NewInt(0),
false, false,
},
{
"suicide with balance",
big.NewInt(100),
true, false,
},
{
"delete",
big.NewInt(0),
true, true,
},
}
for _, tc := range testCase {
if tc.delete {
_, err := suite.app.EvmKeeper.Commit(suite.ctx, tc.delete)
suite.Require().NoError(err, tc.name)
suite.Require().False(suite.app.EvmKeeper.Exist(suite.ctx, suite.address), tc.name)
continue
}
if tc.expPass {
suite.app.EvmKeeper.SetBalance(suite.ctx, suite.address, tc.amount)
suicide := suite.app.EvmKeeper.Suicide(suite.ctx, suite.address)
suite.Require().True(suicide, tc.name)
suite.Require().True(suite.app.EvmKeeper.HasSuicided(suite.ctx, suite.address), tc.name)
} else {
//Suicide only works for an account with non-zero balance/nonce
priv, err := ethsecp256k1.GenerateKey()
suite.Require().NoError(err)
addr := ethcrypto.PubkeyToAddress(priv.ToECDSA().PublicKey)
suicide := suite.app.EvmKeeper.Suicide(suite.ctx, addr)
suite.Require().False(suicide, tc.name)
suite.Require().False(suite.app.EvmKeeper.HasSuicided(suite.ctx, addr), tc.name)
}
}
}
func (suite *KeeperTestSuite) TestCommitStateDB_Commit() {
testCase := []struct {
name string
malleate func()
deleteObjs bool
expPass bool
}{
{
"commit suicided",
func() {
ok := suite.app.EvmKeeper.Suicide(suite.ctx, suite.address)
suite.Require().True(ok)
},
true, true,
},
{
"commit with dirty value",
func() {
suite.app.EvmKeeper.SetCode(suite.ctx, suite.address, []byte("code"))
},
false, true,
},
}
for _, tc := range testCase {
tc.malleate()
hash, err := suite.app.EvmKeeper.Commit(suite.ctx, tc.deleteObjs)
suite.Require().Equal(ethcmn.Hash{}, hash)
if !tc.expPass {
suite.Require().Error(err, tc.name)
continue
}
suite.Require().NoError(err, tc.name)
acc := suite.app.AccountKeeper.GetAccount(suite.ctx, sdk.AccAddress(suite.address.Bytes()))
if tc.deleteObjs {
suite.Require().Nil(acc, tc.name)
continue
}
suite.Require().NotNil(acc, tc.name)
ethAcc, ok := acc.(*ethermint.EthAccount)
suite.Require().True(ok)
suite.Require().Equal(ethcrypto.Keccak256([]byte("code")), ethAcc.CodeHash)
}
}
func (suite *KeeperTestSuite) TestCommitStateDB_Finalize() {
testCase := []struct {
name string
malleate func()
deleteObjs bool
expPass bool
}{
{
"finalize suicided",
func() {
ok := suite.app.EvmKeeper.Suicide(suite.ctx, suite.address)
suite.Require().True(ok)
},
true, true,
},
{
"finalize, not suicided",
func() {
suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, big.NewInt(5))
},
false, true,
},
{
"finalize, dirty storage",
func() {
suite.app.EvmKeeper.SetState(suite.ctx, suite.address, ethcmn.BytesToHash([]byte("key")), ethcmn.BytesToHash([]byte("value")))
},
false, true,
},
}
for _, tc := range testCase {
tc.malleate()
err := suite.app.EvmKeeper.Finalise(suite.ctx, tc.deleteObjs)
if !tc.expPass {
suite.Require().Error(err, tc.name)
hash := suite.app.EvmKeeper.GetCommittedState(suite.ctx, suite.address, ethcmn.BytesToHash([]byte("key")))
suite.Require().NotEqual(ethcmn.Hash{}, hash, tc.name)
continue
}
suite.Require().NoError(err, tc.name)
acc := suite.app.AccountKeeper.GetAccount(suite.ctx, sdk.AccAddress(suite.address.Bytes()))
if tc.deleteObjs {
suite.Require().Nil(acc, tc.name)
continue
}
suite.Require().NotNil(acc, tc.name)
}
}
func (suite *KeeperTestSuite) TestCommitStateDB_GetCommittedState() {
hash := suite.app.EvmKeeper.GetCommittedState(suite.ctx, ethcmn.Address{}, ethcmn.BytesToHash([]byte("key")))
suite.Require().Equal(ethcmn.Hash{}, hash)
}
func (suite *KeeperTestSuite) TestCommitStateDB_Snapshot() {
id := suite.app.EvmKeeper.Snapshot(suite.ctx)
suite.Require().NotPanics(func() {
suite.app.EvmKeeper.RevertToSnapshot(suite.ctx, id)
})
suite.Require().Panics(func() {
suite.app.EvmKeeper.RevertToSnapshot(suite.ctx, -1)
}, "invalid revision should panic")
}
func (suite *KeeperTestSuite) TestCommitStateDB_ForEachStorage() {
var storage types.Storage
testCase := []struct {
name string
malleate func()
callback func(key, value ethcmn.Hash) (stop bool)
expValues []string
}{
{
"aggregate state",
func() {
for i := 0; i < 5; i++ {
suite.app.EvmKeeper.SetState(suite.ctx, suite.address, ethcmn.BytesToHash([]byte(fmt.Sprintf("key%d", i))), ethcmn.BytesToHash([]byte(fmt.Sprintf("value%d", i))))
}
},
func(key, value ethcmn.Hash) bool {
storage = append(storage, types.NewState(key, value))
return false
},
[]string{
ethcmn.BytesToHash([]byte("value0")).String(),
ethcmn.BytesToHash([]byte("value1")).String(),
ethcmn.BytesToHash([]byte("value2")).String(),
ethcmn.BytesToHash([]byte("value3")).String(),
ethcmn.BytesToHash([]byte("value4")).String(),
},
},
{
"filter state",
func() {
suite.app.EvmKeeper.SetState(suite.ctx, suite.address, ethcmn.BytesToHash([]byte("key")), ethcmn.BytesToHash([]byte("value")))
suite.app.EvmKeeper.SetState(suite.ctx, suite.address, ethcmn.BytesToHash([]byte("filterkey")), ethcmn.BytesToHash([]byte("filtervalue")))
},
func(key, value ethcmn.Hash) bool {
if value == ethcmn.BytesToHash([]byte("filtervalue")) {
storage = append(storage, types.NewState(key, value))
return true
}
return false
},
[]string{
ethcmn.BytesToHash([]byte("filtervalue")).String(),
},
},
}
for _, tc := range testCase {
suite.Run(tc.name, func() {
suite.SetupTest() // reset
tc.malleate()
suite.app.EvmKeeper.Finalise(suite.ctx, false)
err := suite.app.EvmKeeper.ForEachStorage(suite.ctx, suite.address, tc.callback)
suite.Require().NoError(err)
suite.Require().Equal(len(tc.expValues), len(storage), fmt.Sprintf("Expected values:\n%v\nStorage Values\n%v", tc.expValues, storage))
vals := make([]string, len(storage))
for i := range storage {
vals[i] = storage[i].Value
}
suite.Require().ElementsMatch(tc.expValues, vals)
})
storage = types.Storage{}
}
}