forked from cerc-io/laconicd-deprecated
x/evm: stateDB and keeper tests (#396)
* draft state_transition * working test * keeper test * statedb rewrite * fix tests * add keeper statedb test * minor changes Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com> Co-authored-by: Federico Kunze <federico.kunze94@gmail.com>
This commit is contained in:
Justin Thompson
co-authored by
Federico Kunze
Federico Kunze
Federico Kunze
Federico Kunze
parent
e0d3655eed
commit
d69aad2016
@@ -0,0 +1,435 @@
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package keeper_test
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import (
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"math/big"
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sdk "github.com/cosmos/cosmos-sdk/types"
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ethcmn "github.com/ethereum/go-ethereum/common"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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ethcrypto "github.com/ethereum/go-ethereum/crypto"
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"github.com/cosmos/ethermint/crypto"
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ethermint "github.com/cosmos/ethermint/types"
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)
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func (suite *KeeperTestSuite) TestBloomFilter() {
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// Prepare db for logs
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tHash := ethcmn.BytesToHash([]byte{0x1})
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suite.app.EvmKeeper.Prepare(suite.ctx, tHash, ethcmn.Hash{}, 0)
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contractAddress := ethcmn.BigToAddress(big.NewInt(1))
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log := ethtypes.Log{Address: contractAddress}
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testCase := []struct {
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name string
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malleate func()
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numLogs int
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isBloom bool
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}{
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{
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"no logs",
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func() {},
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0,
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false,
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},
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{
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"add log",
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func() {
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suite.app.EvmKeeper.AddLog(suite.ctx, &log)
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},
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1,
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false,
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},
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{
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"bloom",
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func() {},
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0,
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true,
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},
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}
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for _, tc := range testCase {
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tc.malleate()
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logs, err := suite.app.EvmKeeper.GetLogs(suite.ctx, tHash)
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if !tc.isBloom {
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suite.Require().NoError(err, tc.name)
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suite.Require().Len(logs, tc.numLogs, tc.name)
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if len(logs) != 0 {
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suite.Require().Equal(log, *logs[0], tc.name)
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}
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} else {
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// get logs bloom from the log
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bloomInt := ethtypes.LogsBloom(logs)
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bloomFilter := ethtypes.BytesToBloom(bloomInt.Bytes())
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suite.Require().True(ethtypes.BloomLookup(bloomFilter, contractAddress), tc.name)
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suite.Require().False(ethtypes.BloomLookup(bloomFilter, ethcmn.BigToAddress(big.NewInt(2))), tc.name)
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}
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}
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}
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func (suite *KeeperTestSuite) TestStateDBBalance() {
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testCase := []struct {
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name string
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malleate func()
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balance *big.Int
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}{
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{
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"set balance",
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func() {
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suite.app.EvmKeeper.SetBalance(suite.ctx, suite.address, big.NewInt(100))
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},
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big.NewInt(100),
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},
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{
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"sub balance",
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func() {
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suite.app.EvmKeeper.SubBalance(suite.ctx, suite.address, big.NewInt(100))
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},
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big.NewInt(0),
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},
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{
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"add balance",
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func() {
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suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, big.NewInt(200))
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},
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big.NewInt(200),
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},
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{
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"sub more than balance",
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func() {
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suite.app.EvmKeeper.SubBalance(suite.ctx, suite.address, big.NewInt(300))
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},
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big.NewInt(-100),
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},
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}
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for _, tc := range testCase {
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tc.malleate()
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suite.Require().Equal(tc.balance, suite.app.EvmKeeper.GetBalance(suite.ctx, suite.address), tc.name)
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}
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}
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func (suite *KeeperTestSuite) TestStateDBNonce() {
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nonce := uint64(123)
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suite.app.EvmKeeper.SetNonce(suite.ctx, suite.address, nonce)
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suite.Require().Equal(nonce, suite.app.EvmKeeper.GetNonce(suite.ctx, suite.address))
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}
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func (suite *KeeperTestSuite) TestStateDBState() {
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key := ethcmn.BytesToHash([]byte("foo"))
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val := ethcmn.BytesToHash([]byte("bar"))
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suite.app.EvmKeeper.SetState(suite.ctx, suite.address, key, val)
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suite.Require().Equal(val, suite.app.EvmKeeper.GetState(suite.ctx, suite.address, key))
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}
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func (suite *KeeperTestSuite) TestStateDBCode() {
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code := []byte("foobar")
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suite.app.EvmKeeper.SetCode(suite.ctx, suite.address, code)
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suite.Require().Equal(code, suite.app.EvmKeeper.GetCode(suite.ctx, suite.address))
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codelen := len(code)
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suite.Require().Equal(codelen, suite.app.EvmKeeper.GetCodeSize(suite.ctx, suite.address))
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}
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func (suite *KeeperTestSuite) TestStateDBLogs() {
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testCase := []struct {
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name string
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log ethtypes.Log
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}{
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{
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"state db log",
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ethtypes.Log{
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Address: suite.address,
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Topics: []ethcmn.Hash{ethcmn.BytesToHash([]byte("topic"))},
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Data: []byte("data"),
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BlockNumber: 1,
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TxHash: ethcmn.Hash{},
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TxIndex: 1,
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BlockHash: ethcmn.Hash{},
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Index: 1,
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Removed: false,
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},
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},
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}
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for _, tc := range testCase {
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hash := ethcmn.BytesToHash([]byte("hash"))
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logs := []*ethtypes.Log{&tc.log}
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err := suite.app.EvmKeeper.SetLogs(suite.ctx, hash, logs)
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suite.Require().NoError(err, tc.name)
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dbLogs, err := suite.app.EvmKeeper.GetLogs(suite.ctx, hash)
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suite.Require().NoError(err, tc.name)
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suite.Require().Equal(logs, dbLogs, tc.name)
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suite.Require().Equal(logs, suite.app.EvmKeeper.AllLogs(suite.ctx), tc.name)
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//resets state but checking to see if storekey still persists.
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err = suite.app.EvmKeeper.Reset(suite.ctx, hash)
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suite.Require().NoError(err, tc.name)
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suite.Require().Equal(logs, suite.app.EvmKeeper.AllLogs(suite.ctx), tc.name)
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}
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}
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func (suite *KeeperTestSuite) TestStateDBPreimage() {
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hash := ethcmn.BytesToHash([]byte("hash"))
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preimage := []byte("preimage")
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suite.app.EvmKeeper.AddPreimage(suite.ctx, hash, preimage)
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suite.Require().Equal(preimage, suite.app.EvmKeeper.Preimages(suite.ctx)[hash])
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}
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func (suite *KeeperTestSuite) TestStateDBRefund() {
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testCase := []struct {
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name string
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amount uint64
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}{
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{
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"refund",
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100,
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},
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}
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for _, tc := range testCase {
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suite.app.EvmKeeper.AddRefund(suite.ctx, tc.amount)
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suite.Require().Equal(tc.amount, suite.app.EvmKeeper.GetRefund(suite.ctx), tc.name)
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suite.app.EvmKeeper.SubRefund(suite.ctx, tc.amount)
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suite.Require().Equal(uint64(0), suite.app.EvmKeeper.GetRefund(suite.ctx), tc.name)
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}
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}
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func (suite *KeeperTestSuite) TestStateDBCreateAcct() {
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suite.app.EvmKeeper.CreateAccount(suite.ctx, suite.address)
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suite.Require().True(suite.app.EvmKeeper.Exist(suite.ctx, suite.address))
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value := big.NewInt(100)
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suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, value)
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suite.app.EvmKeeper.CreateAccount(suite.ctx, suite.address)
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suite.Require().Equal(value, suite.app.EvmKeeper.GetBalance(suite.ctx, suite.address))
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}
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func (suite *KeeperTestSuite) TestStateDBClearStateOjb() {
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suite.app.EvmKeeper.CreateAccount(suite.ctx, suite.address)
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suite.Require().True(suite.app.EvmKeeper.Exist(suite.ctx, suite.address))
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suite.app.EvmKeeper.ClearStateObjects(suite.ctx)
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suite.Require().False(suite.app.EvmKeeper.Exist(suite.ctx, suite.address))
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}
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func (suite *KeeperTestSuite) TestStateDBReset() {
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hash := ethcmn.BytesToHash([]byte("hash"))
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suite.app.EvmKeeper.CreateAccount(suite.ctx, suite.address)
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suite.Require().True(suite.app.EvmKeeper.Exist(suite.ctx, suite.address))
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err := suite.app.EvmKeeper.Reset(suite.ctx, hash)
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suite.Require().NoError(err)
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suite.Require().False(suite.app.EvmKeeper.Exist(suite.ctx, suite.address))
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}
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func (suite *KeeperTestSuite) TestStateDBUpdateAcct() {
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}
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func (suite *KeeperTestSuite) TestSuiteDBPrepare() {
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thash := ethcmn.BytesToHash([]byte("thash"))
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bhash := ethcmn.BytesToHash([]byte("bhash"))
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txi := 1
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suite.app.EvmKeeper.Prepare(suite.ctx, thash, bhash, txi)
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suite.Require().Equal(txi, suite.app.EvmKeeper.TxIndex(suite.ctx))
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suite.Require().Equal(bhash, suite.app.EvmKeeper.BlockHash(suite.ctx))
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}
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func (suite *KeeperTestSuite) TestSuiteDBCopyState() {
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copyDB := suite.app.EvmKeeper.Copy(suite.ctx)
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suite.Require().Equal(suite.app.EvmKeeper.Exist(suite.ctx, suite.address), copyDB.Exist(suite.address))
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}
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func (suite *KeeperTestSuite) TestSuiteDBEmpty() {
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suite.Require().True(suite.app.EvmKeeper.Empty(suite.ctx, suite.address))
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suite.app.EvmKeeper.SetBalance(suite.ctx, suite.address, big.NewInt(100))
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suite.Require().False(suite.app.EvmKeeper.Empty(suite.ctx, suite.address))
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}
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func (suite *KeeperTestSuite) TestSuiteDBSuicide() {
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testCase := []struct {
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name string
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amount *big.Int
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expPass bool
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delete bool
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}{
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{
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"suicide zero balance",
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big.NewInt(0),
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false, false,
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},
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{
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"suicide with balance",
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big.NewInt(100),
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true, false,
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},
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{
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"delete",
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big.NewInt(0),
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true, true,
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},
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}
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for _, tc := range testCase {
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if tc.delete {
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_, err := suite.app.EvmKeeper.Commit(suite.ctx, tc.delete)
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suite.Require().NoError(err, tc.name)
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suite.Require().False(suite.app.EvmKeeper.Exist(suite.ctx, suite.address), tc.name)
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continue
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}
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if tc.expPass {
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suite.app.EvmKeeper.SetBalance(suite.ctx, suite.address, tc.amount)
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suicide := suite.app.EvmKeeper.Suicide(suite.ctx, suite.address)
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suite.Require().True(suicide, tc.name)
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suite.Require().True(suite.app.EvmKeeper.HasSuicided(suite.ctx, suite.address), tc.name)
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} else {
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//Suicide only works for an account with non-zero balance/nonce
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priv, err := crypto.GenerateKey()
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suite.Require().NoError(err)
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addr := ethcrypto.PubkeyToAddress(priv.ToECDSA().PublicKey)
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suicide := suite.app.EvmKeeper.Suicide(suite.ctx, addr)
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suite.Require().False(suicide, tc.name)
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suite.Require().False(suite.app.EvmKeeper.HasSuicided(suite.ctx, addr), tc.name)
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}
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}
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}
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func (suite *KeeperTestSuite) TestCommitStateDB_Commit() {
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suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, big.NewInt(100))
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testCase := []struct {
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name string
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malleate func()
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deleteObjs bool
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expPass bool
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}{
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{
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"commit suicided",
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func() {
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ok := suite.app.EvmKeeper.Suicide(suite.ctx, suite.address)
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suite.Require().True(ok)
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},
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true, true,
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},
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{
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"commit with dirty value",
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func() {
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suite.app.EvmKeeper.SetCode(suite.ctx, suite.address, []byte("code"))
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},
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false, true,
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},
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{
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"faled to update state object",
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func() {
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suite.app.EvmKeeper.SubBalance(suite.ctx, suite.address, big.NewInt(10))
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},
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false, false,
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},
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}
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for _, tc := range testCase {
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tc.malleate()
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hash, err := suite.app.EvmKeeper.Commit(suite.ctx, tc.deleteObjs)
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suite.Require().Equal(ethcmn.Hash{}, hash)
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if !tc.expPass {
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suite.Require().Error(err, tc.name)
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continue
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}
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suite.Require().NoError(err, tc.name)
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acc := suite.app.AccountKeeper.GetAccount(suite.ctx, sdk.AccAddress(suite.address.Bytes()))
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if tc.deleteObjs {
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suite.Require().Nil(acc, tc.name)
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continue
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}
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suite.Require().NotNil(acc, tc.name)
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ethAcc, ok := acc.(*ethermint.EthAccount)
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suite.Require().True(ok)
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suite.Require().Equal(ethcrypto.Keccak256([]byte("code")), ethAcc.CodeHash)
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}
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}
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func (suite *KeeperTestSuite) TestCommitStateDB_Finalize() {
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suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, big.NewInt(100))
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testCase := []struct {
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name string
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malleate func()
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deleteObjs bool
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expPass bool
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}{
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{
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"finalize suicided",
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func() {
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ok := suite.app.EvmKeeper.Suicide(suite.ctx, suite.address)
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suite.Require().True(ok)
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},
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true, true,
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},
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{
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"finalize, not suicided",
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func() {
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suite.app.EvmKeeper.AddBalance(suite.ctx, suite.address, big.NewInt(5))
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},
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false, true,
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},
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{
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"finalize, dirty storage",
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func() {
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suite.app.EvmKeeper.SetState(suite.ctx, suite.address, ethcmn.BytesToHash([]byte("key")), ethcmn.BytesToHash([]byte("value")))
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},
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false, true,
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},
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{
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"faled to update state object",
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func() {
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suite.app.EvmKeeper.SubBalance(suite.ctx, suite.address, big.NewInt(10))
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},
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false, false,
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},
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}
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for _, tc := range testCase {
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tc.malleate()
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err := suite.app.EvmKeeper.Finalise(suite.ctx, tc.deleteObjs)
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if !tc.expPass {
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suite.Require().Error(err, tc.name)
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continue
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}
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suite.Require().NoError(err, tc.name)
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acc := suite.app.AccountKeeper.GetAccount(suite.ctx, sdk.AccAddress(suite.address.Bytes()))
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if tc.deleteObjs {
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suite.Require().Nil(acc, tc.name)
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continue
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}
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suite.Require().NotNil(acc, tc.name)
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}
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}
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