laconicd/x/evm/keeper/keeper_test.go

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package keeper_test
import (
_ "embed"
"encoding/json"
"math/big"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/tharsis/ethermint/app"
"github.com/tharsis/ethermint/crypto/ethsecp256k1"
"github.com/tharsis/ethermint/encoding"
"github.com/tharsis/ethermint/server/config"
"github.com/tharsis/ethermint/tests"
ethermint "github.com/tharsis/ethermint/types"
"github.com/tharsis/ethermint/x/evm/types"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto/tmhash"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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tmversion "github.com/tendermint/tendermint/proto/tendermint/version"
"github.com/tendermint/tendermint/version"
)
var (
//go:embed ERC20Contract.json
compiledContractJSON []byte
ContractBin []byte
ContractABI abi.ABI
)
func init() {
var tmp struct {
Abi string
Bin string
}
err := json.Unmarshal(compiledContractJSON, &tmp)
if err != nil {
panic(err)
}
ContractBin = common.FromHex(tmp.Bin)
err = json.Unmarshal([]byte(tmp.Abi), &ContractABI)
if err != nil {
panic(err)
}
}
var testTokens = sdk.NewIntWithDecimal(1000, 18)
type KeeperTestSuite struct {
suite.Suite
ctx sdk.Context
app *app.EthermintApp
queryClient types.QueryClient
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address common.Address
consAddress sdk.ConsAddress
// for generate test tx
clientCtx client.Context
ethSigner ethtypes.Signer
appCodec codec.Codec
signer keyring.Signer
}
/// DoSetupTest setup test environment, it uses`require.TestingT` to support both `testing.T` and `testing.B`.
func (suite *KeeperTestSuite) DoSetupTest(t require.TestingT) {
checkTx := false
// account key
priv, err := ethsecp256k1.GenerateKey()
require.NoError(t, err)
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suite.address = common.BytesToAddress(priv.PubKey().Address().Bytes())
suite.signer = tests.NewSigner(priv)
// consensus key
priv, err = ethsecp256k1.GenerateKey()
require.NoError(t, err)
suite.consAddress = sdk.ConsAddress(priv.PubKey().Address())
suite.app = app.Setup(checkTx)
suite.ctx = suite.app.BaseApp.NewContext(checkTx, tmproto.Header{
Height: 1,
ChainID: "ethermint_9000-1",
Time: time.Now().UTC(),
ProposerAddress: suite.consAddress.Bytes(),
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Version: tmversion.Consensus{
Block: version.BlockProtocol,
},
LastBlockId: tmproto.BlockID{
Hash: tmhash.Sum([]byte("block_id")),
PartSetHeader: tmproto.PartSetHeader{
Total: 11,
Hash: tmhash.Sum([]byte("partset_header")),
},
},
AppHash: tmhash.Sum([]byte("app")),
DataHash: tmhash.Sum([]byte("data")),
EvidenceHash: tmhash.Sum([]byte("evidence")),
ValidatorsHash: tmhash.Sum([]byte("validators")),
NextValidatorsHash: tmhash.Sum([]byte("next_validators")),
ConsensusHash: tmhash.Sum([]byte("consensus")),
LastResultsHash: tmhash.Sum([]byte("last_result")),
})
suite.app.EvmKeeper.WithContext(suite.ctx)
queryHelper := baseapp.NewQueryServerTestHelper(suite.ctx, suite.app.InterfaceRegistry())
types.RegisterQueryServer(queryHelper, suite.app.EvmKeeper)
suite.queryClient = types.NewQueryClient(queryHelper)
acc := &ethermint.EthAccount{
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BaseAccount: authtypes.NewBaseAccount(sdk.AccAddress(suite.address.Bytes()), nil, 0, 0),
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CodeHash: common.BytesToHash(crypto.Keccak256(nil)).String(),
}
suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
valAddr := sdk.ValAddress(suite.address.Bytes())
validator, err := stakingtypes.NewValidator(valAddr, priv.PubKey(), stakingtypes.Description{})
err = suite.app.StakingKeeper.SetValidatorByConsAddr(suite.ctx, validator)
require.NoError(t, err)
err = suite.app.StakingKeeper.SetValidatorByConsAddr(suite.ctx, validator)
require.NoError(t, err)
suite.app.StakingKeeper.SetValidator(suite.ctx, validator)
encodingConfig := encoding.MakeConfig(app.ModuleBasics)
suite.clientCtx = client.Context{}.WithTxConfig(encodingConfig.TxConfig)
suite.ethSigner = ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID())
suite.appCodec = encodingConfig.Marshaler
}
func (suite *KeeperTestSuite) SetupTest() {
suite.DoSetupTest(suite.T())
}
func (suite *KeeperTestSuite) EvmDenom() string {
ctx := sdk.WrapSDKContext(suite.ctx)
rsp, _ := suite.queryClient.Params(ctx, &types.QueryParamsRequest{})
return rsp.Params.EvmDenom
}
// Commit and begin new block
func (suite *KeeperTestSuite) Commit() {
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_ = suite.app.Commit()
header := suite.ctx.BlockHeader()
header.Height += 1
suite.app.BeginBlock(abci.RequestBeginBlock{
Header: header,
})
// update ctx
suite.ctx = suite.app.BaseApp.NewContext(false, header)
suite.app.EvmKeeper.WithContext(suite.ctx)
queryHelper := baseapp.NewQueryServerTestHelper(suite.ctx, suite.app.InterfaceRegistry())
types.RegisterQueryServer(queryHelper, suite.app.EvmKeeper)
suite.queryClient = types.NewQueryClient(queryHelper)
}
// DeployTestContract deploy a test erc20 contract and returns the contract address
func (suite *KeeperTestSuite) DeployTestContract(t require.TestingT, owner common.Address, supply *big.Int) common.Address {
ctx := sdk.WrapSDKContext(suite.ctx)
chainID := suite.app.EvmKeeper.ChainID()
ctorArgs, err := ContractABI.Pack("", owner, supply)
require.NoError(t, err)
data := append(ContractBin, ctorArgs...)
args, err := json.Marshal(&types.TransactionArgs{
From: &suite.address,
Data: (*hexutil.Bytes)(&data),
})
require.NoError(t, err)
res, err := suite.queryClient.EstimateGas(ctx, &types.EthCallRequest{
Args: args,
GasCap: uint64(config.DefaultGasCap),
})
require.NoError(t, err)
nonce := suite.app.EvmKeeper.GetNonce(suite.address)
erc20DeployTx := types.NewTxContract(
chainID,
nonce,
nil, // amount
res.Gas, // gasLimit
nil, // gasPrice
nil, nil,
data, // input
nil, // accesses
)
erc20DeployTx.From = suite.address.Hex()
err = erc20DeployTx.Sign(ethtypes.LatestSignerForChainID(chainID), suite.signer)
require.NoError(t, err)
rsp, err := suite.app.EvmKeeper.EthereumTx(ctx, erc20DeployTx)
require.NoError(t, err)
require.Empty(t, rsp.VmError)
return crypto.CreateAddress(suite.address, nonce)
}
func (suite *KeeperTestSuite) TransferERC20Token(t require.TestingT, contractAddr, from, to common.Address, amount *big.Int) *types.MsgEthereumTx {
ctx := sdk.WrapSDKContext(suite.ctx)
chainID := suite.app.EvmKeeper.ChainID()
transferData, err := ContractABI.Pack("transfer", to, amount)
require.NoError(t, err)
args, err := json.Marshal(&types.TransactionArgs{To: &contractAddr, From: &from, Data: (*hexutil.Bytes)(&transferData)})
require.NoError(t, err)
res, err := suite.queryClient.EstimateGas(ctx, &types.EthCallRequest{
Args: args,
GasCap: 25_000_000,
})
require.NoError(t, err)
nonce := suite.app.EvmKeeper.GetNonce(suite.address)
ercTransferTx := types.NewTx(
chainID,
nonce,
&contractAddr,
nil,
res.Gas,
nil,
nil, nil,
transferData,
nil,
)
ercTransferTx.From = suite.address.Hex()
err = ercTransferTx.Sign(ethtypes.LatestSignerForChainID(chainID), suite.signer)
require.NoError(t, err)
rsp, err := suite.app.EvmKeeper.EthereumTx(ctx, ercTransferTx)
require.NoError(t, err)
require.Empty(t, rsp.VmError)
return ercTransferTx
}
func TestKeeperTestSuite(t *testing.T) {
suite.Run(t, new(KeeperTestSuite))
}