c08dcfad0c
* keeper: statedb unit tests * evm: balance tests * evm: nonce and code tests * evm: refund test * evm: fix tx encoding * storage and access list tests
602 lines
14 KiB
Go
602 lines
14 KiB
Go
package keeper_test
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import (
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"fmt"
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"math/big"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/cosmos/ethermint/tests"
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"github.com/cosmos/ethermint/x/evm/types"
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"github.com/ethereum/go-ethereum/common"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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)
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func (suite *KeeperTestSuite) TestCreateAccount() {
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testCases := []struct {
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name string
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addr common.Address
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malleate func(common.Address)
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callback func(common.Address)
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}{
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{
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"reset account",
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suite.address,
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func(addr common.Address) {
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suite.app.EvmKeeper.AddBalance(addr, big.NewInt(100))
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suite.Require().NotZero(suite.app.EvmKeeper.GetBalance(addr).Int64())
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},
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func(addr common.Address) {
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suite.Require().Zero(suite.app.EvmKeeper.GetBalance(addr).Int64())
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},
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},
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{
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"create account",
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tests.GenerateAddress(),
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func(addr common.Address) {
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acc := suite.app.AccountKeeper.GetAccount(suite.ctx, addr.Bytes())
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suite.Require().Nil(acc)
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},
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func(addr common.Address) {
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acc := suite.app.AccountKeeper.GetAccount(suite.ctx, addr.Bytes())
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suite.Require().NotNil(acc)
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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tc.malleate(tc.addr)
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suite.app.EvmKeeper.CreateAccount(tc.addr)
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tc.callback(tc.addr)
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})
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}
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}
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func (suite *KeeperTestSuite) TestAddBalance() {
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testCases := []struct {
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name string
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amount *big.Int
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isNoOp bool
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}{
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{
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"positive amount",
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big.NewInt(100),
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false,
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},
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{
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"zero amount",
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big.NewInt(0),
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true,
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},
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{
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"negative amount",
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big.NewInt(-1),
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true,
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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prev := suite.app.EvmKeeper.GetBalance(suite.address)
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suite.app.EvmKeeper.AddBalance(suite.address, tc.amount)
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post := suite.app.EvmKeeper.GetBalance(suite.address)
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if tc.isNoOp {
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suite.Require().Equal(prev.Int64(), post.Int64())
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} else {
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suite.Require().Equal(new(big.Int).Add(prev, tc.amount).Int64(), post.Int64())
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}
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})
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}
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}
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func (suite *KeeperTestSuite) TestSubBalance() {
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testCases := []struct {
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name string
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amount *big.Int
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malleate func()
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isNoOp bool
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}{
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{
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"positive amount, below zero",
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big.NewInt(100),
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func() {},
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true,
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},
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{
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"positive amount, below zero",
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big.NewInt(50),
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func() {
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suite.app.EvmKeeper.AddBalance(suite.address, big.NewInt(100))
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},
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false,
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},
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{
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"zero amount",
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big.NewInt(0),
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func() {},
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true,
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},
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{
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"negative amount",
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big.NewInt(-1),
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func() {},
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true,
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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tc.malleate()
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prev := suite.app.EvmKeeper.GetBalance(suite.address)
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suite.app.EvmKeeper.SubBalance(suite.address, tc.amount)
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post := suite.app.EvmKeeper.GetBalance(suite.address)
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if tc.isNoOp {
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suite.Require().Equal(prev.Int64(), post.Int64())
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} else {
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suite.Require().Equal(new(big.Int).Sub(prev, tc.amount).Int64(), post.Int64())
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}
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})
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}
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}
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func (suite *KeeperTestSuite) TestGetNonce() {
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testCases := []struct {
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name string
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address common.Address
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expectedNonce uint64
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malleate func()
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}{
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{
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"account not found",
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tests.GenerateAddress(),
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0,
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func() {},
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},
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{
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"existing account",
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suite.address,
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1,
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func() {
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suite.app.EvmKeeper.SetNonce(suite.address, 1)
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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tc.malleate()
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nonce := suite.app.EvmKeeper.GetNonce(tc.address)
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suite.Require().Equal(tc.expectedNonce, nonce)
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})
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}
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}
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func (suite *KeeperTestSuite) TestSetNonce() {
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testCases := []struct {
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name string
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address common.Address
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nonce uint64
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malleate func()
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}{
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{
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"new account",
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tests.GenerateAddress(),
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10,
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func() {},
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},
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{
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"existing account",
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suite.address,
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99,
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func() {},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.app.EvmKeeper.SetNonce(tc.address, tc.nonce)
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nonce := suite.app.EvmKeeper.GetNonce(tc.address)
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suite.Require().Equal(tc.nonce, nonce)
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})
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}
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}
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func (suite *KeeperTestSuite) TestGetCodeHash() {
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addr := tests.GenerateAddress()
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baseAcc := &authtypes.BaseAccount{Address: sdk.AccAddress(addr.Bytes()).String()}
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suite.app.AccountKeeper.SetAccount(suite.ctx, baseAcc)
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testCases := []struct {
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name string
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address common.Address
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expHash common.Hash
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malleate func()
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}{
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{
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"account not found",
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tests.GenerateAddress(),
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common.BytesToHash(types.EmptyCodeHash),
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func() {},
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},
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{
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"account not EthAccount type",
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addr,
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common.BytesToHash(types.EmptyCodeHash),
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func() {},
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},
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{
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"existing account",
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suite.address,
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crypto.Keccak256Hash([]byte("codeHash")),
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func() {
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suite.app.EvmKeeper.SetCode(suite.address, []byte("codeHash"))
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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tc.malleate()
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hash := suite.app.EvmKeeper.GetCodeHash(tc.address)
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suite.Require().Equal(tc.expHash, hash)
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})
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}
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}
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func (suite *KeeperTestSuite) TestSetCode() {
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addr := tests.GenerateAddress()
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baseAcc := &authtypes.BaseAccount{Address: sdk.AccAddress(addr.Bytes()).String()}
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suite.app.AccountKeeper.SetAccount(suite.ctx, baseAcc)
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testCases := []struct {
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name string
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address common.Address
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code []byte
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isNoOp bool
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}{
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{
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"account not found",
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tests.GenerateAddress(),
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[]byte("code"),
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false,
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},
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{
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"account not EthAccount type",
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addr,
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nil,
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true,
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},
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{
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"existing account",
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suite.address,
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[]byte("code"),
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false,
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},
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{
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"existing account, code deleted from store",
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suite.address,
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nil,
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false,
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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prev := suite.app.EvmKeeper.GetCode(tc.address)
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suite.app.EvmKeeper.SetCode(tc.address, tc.code)
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post := suite.app.EvmKeeper.GetCode(tc.address)
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if tc.isNoOp {
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suite.Require().Equal(prev, post)
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} else {
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suite.Require().Equal(tc.code, post)
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}
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suite.Require().Equal(len(post), suite.app.EvmKeeper.GetCodeSize(tc.address))
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})
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}
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}
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func (suite *KeeperTestSuite) TestRefund() {
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testCases := []struct {
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name string
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malleate func()
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expRefund uint64
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expPanic bool
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}{
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{
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"success - add and subtract refund",
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func() {
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suite.app.EvmKeeper.AddRefund(11)
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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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"fail - subtract amount > current refund",
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func() {
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},
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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 testCases {
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suite.Run(tc.name, func() {
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tc.malleate()
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if tc.expPanic {
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suite.Require().Panics(func() { suite.app.EvmKeeper.SubRefund(10) })
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} else {
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suite.app.EvmKeeper.SubRefund(10)
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suite.Require().Equal(tc.expRefund, suite.app.EvmKeeper.GetRefund())
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}
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// clear and reset refund from store
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suite.app.EvmKeeper.ResetRefundTransient(suite.ctx)
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suite.Require().Zero(suite.app.EvmKeeper.GetRefund())
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})
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}
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}
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func (suite *KeeperTestSuite) TestState() {
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testCases := []struct {
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name string
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key, value common.Hash
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}{
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{
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"set state - delete from store",
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common.BytesToHash([]byte("key")),
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common.Hash{},
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},
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{
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"set state - update value",
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common.BytesToHash([]byte("key")),
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common.BytesToHash([]byte("value")),
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.app.EvmKeeper.SetState(suite.address, tc.key, tc.value)
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value := suite.app.EvmKeeper.GetState(suite.address, tc.key)
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suite.Require().Equal(tc.value, value)
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})
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}
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}
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func (suite *KeeperTestSuite) TestSuicide() {
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testCases := []struct {
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name string
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suicided bool
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}{
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{"success, first time suicided", true},
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{"success, already suicided", true},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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suite.Require().Equal(tc.suicided, suite.app.EvmKeeper.Suicide(suite.address))
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suite.Require().Equal(tc.suicided, suite.app.EvmKeeper.HasSuicided(suite.address))
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})
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}
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}
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func (suite *KeeperTestSuite) TestExist() {
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testCases := []struct {
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name string
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address common.Address
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malleate func()
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exists bool
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}{
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{"success, account exists", suite.address, func() {}, true},
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{"success, has suicided", suite.address, func() {
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suite.app.EvmKeeper.Suicide(suite.address)
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}, true},
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{"success, account doesn't exist", tests.GenerateAddress(), func() {}, false},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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tc.malleate()
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suite.Require().Equal(tc.exists, suite.app.EvmKeeper.Exist(tc.address))
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})
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}
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}
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func (suite *KeeperTestSuite) TestEmpty() {
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addr := tests.GenerateAddress()
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baseAcc := &authtypes.BaseAccount{Address: sdk.AccAddress(addr.Bytes()).String()}
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suite.app.AccountKeeper.SetAccount(suite.ctx, baseAcc)
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testCases := []struct {
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name string
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address common.Address
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malleate func()
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empty bool
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}{
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{"empty, account exists", suite.address, func() {}, true},
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{"not empty, non ethereum account", addr, func() {}, false},
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{"not empty, positive balance", suite.address, func() {
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suite.app.EvmKeeper.AddBalance(suite.address, big.NewInt(100))
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}, false},
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{"empty, account doesn't exist", tests.GenerateAddress(), func() {}, true},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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tc.malleate()
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suite.Require().Equal(tc.empty, suite.app.EvmKeeper.Empty(tc.address))
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})
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}
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}
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func (suite *KeeperTestSuite) TestSnapshot() {
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revision := suite.app.EvmKeeper.Snapshot()
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suite.Require().Zero(revision)
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suite.app.EvmKeeper.RevertToSnapshot(revision) // no-op
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}
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func (suite *KeeperTestSuite) TestAddLog() {
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addr := tests.GenerateAddress()
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msg := types.NewMsgEthereumTx(big.NewInt(1), 0, &suite.address, big.NewInt(1), 100000, big.NewInt(1), []byte("test"), nil)
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tx := msg.AsTransaction()
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txBz, err := tx.MarshalBinary()
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suite.Require().NoError(err)
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txHash := tx.Hash()
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testCases := []struct {
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name string
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log, expLog *ethtypes.Log // pre and post populating log fields
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malleate func()
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}{
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{
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"block hash not found",
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ðtypes.Log{
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Address: addr,
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},
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ðtypes.Log{
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Address: addr,
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},
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func() {},
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},
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{
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"tx hash from message",
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ðtypes.Log{
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Address: addr,
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},
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ðtypes.Log{
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Address: addr,
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TxHash: txHash,
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},
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func() {
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suite.app.EvmKeeper.WithContext(suite.ctx.WithTxBytes(txBz))
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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tc.malleate()
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prev := suite.app.EvmKeeper.GetTxLogs(tc.expLog.TxHash)
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suite.app.EvmKeeper.AddLog(tc.log)
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post := suite.app.EvmKeeper.GetTxLogs(tc.expLog.TxHash)
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suite.Require().NotZero(len(post), tc.expLog.TxHash.Hex())
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suite.Require().Equal(len(prev)+1, len(post))
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suite.Require().NotNil(post[len(post)-1])
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suite.Require().Equal(tc.log, post[len(post)-1])
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})
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}
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}
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func (suite *KeeperTestSuite) TestAccessList() {
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dest := tests.GenerateAddress()
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precompiles := []common.Address{tests.GenerateAddress(), tests.GenerateAddress()}
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accesses := ethtypes.AccessList{
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{Address: tests.GenerateAddress(), StorageKeys: []common.Hash{common.BytesToHash([]byte("key"))}},
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{Address: tests.GenerateAddress(), StorageKeys: []common.Hash{common.BytesToHash([]byte("key1"))}},
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}
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suite.app.EvmKeeper.PrepareAccessList(suite.address, &dest, precompiles, accesses)
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suite.Require().True(suite.app.EvmKeeper.AddressInAccessList(suite.address))
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suite.Require().True(suite.app.EvmKeeper.AddressInAccessList(dest))
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for _, precompile := range precompiles {
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suite.Require().True(suite.app.EvmKeeper.AddressInAccessList(precompile))
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}
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for _, access := range accesses {
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for _, key := range access.StorageKeys {
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addrOK, slotOK := suite.app.EvmKeeper.SlotInAccessList(access.Address, key)
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suite.Require().True(addrOK)
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suite.Require().True(slotOK)
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}
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}
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}
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func (suite *KeeperTestSuite) TestForEachStorage() {
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var storage types.Storage
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testCase := []struct {
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name string
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malleate func()
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callback func(key, value common.Hash) (stop bool)
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expValues []common.Hash
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}{
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{
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"aggregate state",
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func() {
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for i := 0; i < 5; i++ {
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suite.app.EvmKeeper.SetState(suite.address, common.BytesToHash([]byte(fmt.Sprintf("key%d", i))), common.BytesToHash([]byte(fmt.Sprintf("value%d", i))))
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}
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},
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func(key, value common.Hash) bool {
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storage = append(storage, types.NewState(key, value))
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return false
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},
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[]common.Hash{
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common.BytesToHash([]byte("value0")),
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common.BytesToHash([]byte("value1")),
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common.BytesToHash([]byte("value2")),
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common.BytesToHash([]byte("value3")),
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common.BytesToHash([]byte("value4")),
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},
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},
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{
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"filter state",
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func() {
|
|
suite.app.EvmKeeper.SetState(suite.address, common.BytesToHash([]byte("key")), common.BytesToHash([]byte("value")))
|
|
suite.app.EvmKeeper.SetState(suite.address, common.BytesToHash([]byte("filterkey")), common.BytesToHash([]byte("filtervalue")))
|
|
},
|
|
func(key, value common.Hash) bool {
|
|
if value == common.BytesToHash([]byte("filtervalue")) {
|
|
storage = append(storage, types.NewState(key, value))
|
|
return true
|
|
}
|
|
return false
|
|
},
|
|
[]common.Hash{
|
|
common.BytesToHash([]byte("filtervalue")),
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCase {
|
|
suite.Run(tc.name, func() {
|
|
suite.SetupTest() // reset
|
|
tc.malleate()
|
|
|
|
err := suite.app.EvmKeeper.ForEachStorage(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([]common.Hash, len(storage))
|
|
for i := range storage {
|
|
vals[i] = common.HexToHash(storage[i].Value)
|
|
}
|
|
|
|
// TODO: not sure why Equals fails
|
|
suite.Require().ElementsMatch(tc.expValues, vals)
|
|
})
|
|
storage = types.Storage{}
|
|
}
|
|
}
|