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Merge pull request #470 from cosmos/aditya/ante-test

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- AnteHandler unit tests
- Transaction Amino registration in types
This commit is contained in:
Alexander Bezobchuk 2018-08-31 21:42:38 -04:00 committed by GitHub
commit c06a3f9d8c
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7 changed files with 309 additions and 52 deletions
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28
Gopkg.lock generated
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@ -3,11 +3,11 @@
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[[projects]]
branch = "master"
@ -138,12 +138,12 @@
version = "v0.3.0"
[[projects]]
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[[projects]]
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@ -274,12 +274,12 @@
version = "v1.0.0"
[[projects]]
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[[projects]]
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@ -401,7 +401,7 @@
"ssh/terminal",
]
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@ -424,14 +424,14 @@
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"windows",
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[[projects]]
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@ -470,11 +470,11 @@
[[projects]]
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@ -548,6 +548,7 @@
"github.com/cosmos/cosmos-sdk/x/params",
"github.com/cosmos/cosmos-sdk/x/slashing",
"github.com/cosmos/cosmos-sdk/x/stake",
"github.com/cosmos/cosmos-sdk/x/stake/types",
"github.com/ethereum/go-ethereum/common",
"github.com/ethereum/go-ethereum/common/hexutil",
"github.com/ethereum/go-ethereum/common/math",
@ -568,6 +569,7 @@
"github.com/ethereum/go-ethereum/trie",
"github.com/hashicorp/golang-lru",
"github.com/pkg/errors",
"github.com/stretchr/testify/assert",
"github.com/stretchr/testify/require",
"github.com/stretchr/testify/suite",
"github.com/tendermint/tendermint/abci/types",

27
handlers/ante.go
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@ -21,18 +21,18 @@ const (
// must implementing. Internal ante handlers will be dependant upon the
// transaction type.
type internalAnteHandler func(
sdkCtx sdk.Context, tx sdk.Tx, am auth.AccountMapper,
sdkCtx sdk.Context, tx sdk.Tx, accMapper auth.AccountMapper,
) (newCtx sdk.Context, res sdk.Result, abort bool)
// AnteHandler is responsible for attempting to route an Ethereum or SDK
// transaction to an internal ante handler for performing transaction-level
// processing (e.g. fee payment, signature verification) before being passed
// onto it's respective handler.
func AnteHandler(am auth.AccountMapper, _ auth.FeeCollectionKeeper) sdk.AnteHandler {
func AnteHandler(accMapper auth.AccountMapper, _ auth.FeeCollectionKeeper) sdk.AnteHandler {
return func(sdkCtx sdk.Context, tx sdk.Tx) (newCtx sdk.Context, res sdk.Result, abort bool) {
var (
gasLimit int64
handler internalAnteHandler
gasLimit int64
)
switch tx := tx.(type) {
@ -67,7 +67,7 @@ func AnteHandler(am auth.AccountMapper, _ auth.FeeCollectionKeeper) sdk.AnteHand
}
}()
return handler(newCtx, tx, am)
return handler(newCtx, tx, accMapper)
}
}
@ -76,7 +76,7 @@ func AnteHandler(am auth.AccountMapper, _ auth.FeeCollectionKeeper) sdk.AnteHand
//
// TODO: Do we need to do any further validation or account manipulation
// (e.g. increment nonce)?
func handleEthTx(sdkCtx sdk.Context, tx sdk.Tx, am auth.AccountMapper) (sdk.Context, sdk.Result, bool) {
func handleEthTx(sdkCtx sdk.Context, tx sdk.Tx, accMapper auth.AccountMapper) (sdk.Context, sdk.Result, bool) {
ethTx, ok := tx.(types.Transaction)
if !ok {
return sdkCtx, sdk.ErrInternal(fmt.Sprintf("invalid transaction: %T", tx)).Result(), true
@ -96,7 +96,7 @@ func handleEthTx(sdkCtx sdk.Context, tx sdk.Tx, am auth.AccountMapper) (sdk.Cont
return sdkCtx, sdk.ErrUnauthorized("signature verification failed").Result(), true
}
acc := am.GetAccount(sdkCtx, addr.Bytes())
acc := accMapper.GetAccount(sdkCtx, addr.Bytes())
// validate the account nonce (referred to as sequence in the AccountMapper)
seq := acc.GetSequence()
@ -109,13 +109,13 @@ func handleEthTx(sdkCtx sdk.Context, tx sdk.Tx, am auth.AccountMapper) (sdk.Cont
return sdkCtx, sdk.ErrInternal(err.Error()).Result(), true
}
am.SetAccount(sdkCtx, acc)
accMapper.SetAccount(sdkCtx, acc)
return sdkCtx, sdk.Result{GasWanted: int64(ethTx.Data().GasLimit)}, false
}
// handleEmbeddedTx implements an ante handler for an SDK transaction. It
// validates the signature and if valid returns an OK result.
func handleEmbeddedTx(sdkCtx sdk.Context, tx sdk.Tx, am auth.AccountMapper) (sdk.Context, sdk.Result, bool) {
func handleEmbeddedTx(sdkCtx sdk.Context, tx sdk.Tx, accMapper auth.AccountMapper) (sdk.Context, sdk.Result, bool) {
stdTx, ok := tx.(auth.StdTx)
if !ok {
return sdkCtx, sdk.ErrInternal(fmt.Sprintf("invalid transaction: %T", tx)).Result(), true
@ -132,14 +132,15 @@ func handleEmbeddedTx(sdkCtx sdk.Context, tx sdk.Tx, am auth.AccountMapper) (sdk
for i, sig := range stdTx.Signatures {
signer := ethcmn.BytesToAddress(signerAddrs[i].Bytes())
acc, err := validateSignature(sdkCtx, stdTx, signer, sig, am)
if err.Code() != sdk.CodeOK {
acc, err := validateSignature(sdkCtx, stdTx, signer, sig, accMapper)
// err.Code() != sdk.CodeOK
if err != nil {
return sdkCtx, err.Result(), true
}
// TODO: Fees!
am.SetAccount(sdkCtx, acc)
accMapper.SetAccount(sdkCtx, acc)
signerAccs[i] = acc
}
@ -166,12 +167,12 @@ func validateStdTxBasic(stdTx auth.StdTx) (err sdk.Error) {
func validateSignature(
sdkCtx sdk.Context, stdTx auth.StdTx, signer ethcmn.Address,
sig auth.StdSignature, am auth.AccountMapper,
sig auth.StdSignature, accMapper auth.AccountMapper,
) (acc auth.Account, sdkErr sdk.Error) {
chainID := sdkCtx.ChainID()
acc = am.GetAccount(sdkCtx, signer.Bytes())
acc = accMapper.GetAccount(sdkCtx, signer.Bytes())
if acc == nil {
return nil, sdk.ErrUnknownAddress(fmt.Sprintf("no account with address %s found", signer))
}

256
handlers/ante_test.go Normal file
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@ -0,0 +1,256 @@
package handlers
import (
"crypto/ecdsa"
"fmt"
"math/big"
"testing"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/cosmos/cosmos-sdk/x/stake"
"github.com/cosmos/ethermint/types"
ethcrypto "github.com/ethereum/go-ethereum/crypto"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/libs/log"
)
func TestEthTxBadSig(t *testing.T) {
tx := types.NewTransaction(uint64(0), types.TestAddr1, big.NewInt(10), 1000, big.NewInt(100), []byte{})
// create bad signature
tx.Sign(big.NewInt(100), types.TestPrivKey2)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(types.NewTestCodec(), key, auth.ProtoBaseAccount)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, *tx)
require.True(t, abort, "expected ante handler to abort")
require.Equal(t, sdk.ABCICodeType(0x10004), res.Code, fmt.Sprintf("invalid code returned on bad tx: %s", res.Log))
}
func TestEthTxInsufficientGas(t *testing.T) {
tx := types.NewTransaction(uint64(0), types.TestAddr1, big.NewInt(0), 0, big.NewInt(0), []byte{})
tx.Sign(types.TestChainID, types.TestPrivKey1)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(types.NewTestCodec(), key, auth.ProtoBaseAccount)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, *tx)
require.True(t, abort, "expected ante handler to abort")
require.Equal(t, sdk.ABCICodeType(0x1000c), res.Code, fmt.Sprintf("invalid code returned on bad tx: %s", res.Log))
}
func TestEthTxIncorrectNonce(t *testing.T) {
// create transaction with wrong nonce 12
tx := types.NewTransaction(12, types.TestAddr2, big.NewInt(50), 1000, big.NewInt(1000), []byte("test_bytes"))
tx.Sign(types.TestChainID, types.TestPrivKey1)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, log.NewNopLogger())
accMapper := auth.NewAccountMapper(types.NewTestCodec(), key, auth.ProtoBaseAccount)
// set account in accountMapper
acc := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
accMapper.SetAccount(ctx, acc)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, *tx)
require.True(t, abort, "expected ante handler to abort")
require.Equal(t, sdk.ABCICodeType(0x10003), res.Code, fmt.Sprintf("invalid code returned on bad tx: %s", res.Log))
}
func TestEthTxValidTx(t *testing.T) {
tx := types.NewTransaction(0, types.TestAddr1, big.NewInt(50), 1000, big.NewInt(1000), []byte{})
tx.Sign(types.TestChainID, types.TestPrivKey1)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(types.NewTestCodec(), key, auth.ProtoBaseAccount)
// set account in accountMapper
acc := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
accMapper.SetAccount(ctx, acc)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, *tx)
require.False(t, abort, "expected ante handler to not abort")
require.True(t, res.IsOK(), fmt.Sprintf("result not OK on valid Tx: %s", res.Log))
// ensure account state updated correctly
seq, _ := accMapper.GetSequence(ctx, types.TestAddr1[:])
require.Equal(t, int64(1), seq, "account nonce did not increment correctly")
}
func TestEmbeddedTxBadSig(t *testing.T) {
testCodec := types.NewTestCodec()
testFee := types.NewTestStdFee()
msgs := []sdk.Msg{sdk.NewTestMsg()}
tx := types.NewTestStdTx(
types.TestChainID, msgs, []int64{0}, []int64{0}, []*ecdsa.PrivateKey{types.TestPrivKey1}, testFee,
)
// create bad signature
signBytes := types.GetStdTxSignBytes(big.NewInt(100).String(), 1, 1, testFee, msgs, "")
sig, _ := ethcrypto.Sign(signBytes, types.TestPrivKey1)
(tx.(auth.StdTx)).Signatures[0].Signature = sig
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(testCodec, key, auth.ProtoBaseAccount)
// set account in accountMapper
acc := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
accMapper.SetAccount(ctx, acc)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, tx)
require.True(t, abort, "expected ante handler to abort")
require.Equal(t, sdk.ABCICodeType(0x10004), res.Code, fmt.Sprintf("invalid code returned on bad tx: %s", res.Log))
}
func TestEmbeddedTxInvalidMultiMsg(t *testing.T) {
testCodec := types.NewTestCodec()
testCodec.RegisterConcrete(stake.MsgDelegate{}, "test/MsgDelegate", nil)
msgs := []sdk.Msg{
stake.NewMsgDelegate(types.TestAddr1.Bytes(), types.TestAddr2.Bytes(), sdk.NewCoin("steak", sdk.NewInt(50))),
stake.NewMsgDelegate(types.TestAddr2.Bytes(), types.TestAddr2.Bytes(), sdk.NewCoin("steak", sdk.NewInt(50))),
}
// create transaction with only one signer
tx := types.NewTestStdTx(
types.TestChainID, msgs, []int64{0}, []int64{0}, []*ecdsa.PrivateKey{types.TestPrivKey1}, types.NewTestStdFee(),
)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(testCodec, key, auth.ProtoBaseAccount)
// set accounts in accountMapper
acc1 := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
accMapper.SetAccount(ctx, acc1)
acc2 := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
accMapper.SetAccount(ctx, acc2)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, tx)
require.True(t, abort, "expected ante handler to abort")
require.Equal(t, sdk.ABCICodeType(0x10004), res.Code, fmt.Sprintf("invalid code returned on bad tx: %s", res.Log))
}
func TestEmbeddedTxInvalidAccountNumber(t *testing.T) {
testCodec := types.NewTestCodec()
testCodec.RegisterConcrete(stake.MsgDelegate{}, "test/MsgDelegate", nil)
msgs := []sdk.Msg{
stake.NewMsgDelegate(types.TestAddr1.Bytes(), types.TestAddr2.Bytes(), sdk.NewCoin("steak", sdk.NewInt(50))),
}
// create a transaction with an invalid account number
tx := types.NewTestStdTx(
types.TestChainID, msgs, []int64{3}, []int64{0}, []*ecdsa.PrivateKey{types.TestPrivKey1}, types.NewTestStdFee(),
)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(testCodec, key, auth.ProtoBaseAccount)
// set account in accountMapper
acc := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
acc.SetAccountNumber(4)
accMapper.SetAccount(ctx, acc)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, tx)
require.True(t, abort, "expected ante handler to abort")
require.Equal(t, sdk.ABCICodeType(0x10003), res.Code, fmt.Sprintf("invalid code returned on bad tx: %s", res.Log))
}
func TestEmbeddedTxInvalidSequence(t *testing.T) {
testCodec := types.NewTestCodec()
testCodec.RegisterConcrete(stake.MsgDelegate{}, "test/MsgDelegate", nil)
msgs := []sdk.Msg{
stake.NewMsgDelegate(types.TestAddr1.Bytes(), types.TestAddr2.Bytes(), sdk.NewCoin("steak", sdk.NewInt(50))),
}
// create transaction with an invalid sequence (nonce)
tx := types.NewTestStdTx(
types.TestChainID, msgs, []int64{4}, []int64{2}, []*ecdsa.PrivateKey{types.TestPrivKey1}, types.NewTestStdFee(),
)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(types.NewTestCodec(), key, auth.ProtoBaseAccount)
// set account in accountMapper
acc := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
acc.SetAccountNumber(4)
acc.SetSequence(3)
accMapper.SetAccount(ctx, acc)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, tx)
require.True(t, abort, "expected ante handler to abort")
require.Equal(t, sdk.ABCICodeType(0x10003), res.Code, fmt.Sprintf("invalid code returned on bad tx: %s", res.Log))
}
func TestEmbeddedTxValid(t *testing.T) {
testCodec := types.NewTestCodec()
testCodec.RegisterConcrete(stake.MsgDelegate{}, "test/MsgDelegate", nil)
msgs := []sdk.Msg{
stake.NewMsgDelegate(types.TestAddr1.Bytes(), types.TestAddr2.Bytes(), sdk.NewCoin("steak", sdk.NewInt(50))),
stake.NewMsgDelegate(types.TestAddr2.Bytes(), types.TestAddr2.Bytes(), sdk.NewCoin("steak", sdk.NewInt(50))),
}
// create a valid transaction
tx := types.NewTestStdTx(
types.TestChainID, msgs, []int64{4, 5}, []int64{3, 1},
[]*ecdsa.PrivateKey{types.TestPrivKey1, types.TestPrivKey2}, types.NewTestStdFee(),
)
ms, key := createTestMultiStore()
ctx := sdk.NewContext(ms, abci.Header{ChainID: types.TestChainID.String()}, false, nil)
accMapper := auth.NewAccountMapper(types.NewTestCodec(), key, auth.ProtoBaseAccount)
// set accounts in the accountMapper
acc1 := accMapper.NewAccountWithAddress(ctx, types.TestAddr1.Bytes())
acc1.SetAccountNumber(4)
acc1.SetSequence(3)
accMapper.SetAccount(ctx, acc1)
acc2 := accMapper.NewAccountWithAddress(ctx, types.TestAddr2.Bytes())
acc2.SetAccountNumber(5)
acc2.SetSequence(1)
accMapper.SetAccount(ctx, acc2)
handler := AnteHandler(accMapper, auth.FeeCollectionKeeper{})
_, res, abort := handler(ctx, tx)
require.False(t, abort, "expected ante handler to not abort")
require.True(t, res.IsOK(), fmt.Sprintf("result not OK on valid Tx: %s", res.Log))
// Ensure account state updated correctly
seq1, _ := accMapper.GetSequence(ctx, types.TestAddr1.Bytes())
seq2, _ := accMapper.GetSequence(ctx, types.TestAddr2.Bytes())
require.Equal(t, int64(4), seq1, "account nonce did not increment correctly")
require.Equal(t, int64(2), seq2, "account nonce did not increment correctly")
}

18
handlers/test_common.go Normal file
View File

@ -0,0 +1,18 @@
package handlers
import (
"github.com/cosmos/cosmos-sdk/store"
sdk "github.com/cosmos/cosmos-sdk/types"
dbm "github.com/tendermint/tendermint/libs/db"
)
func createTestMultiStore() (sdk.MultiStore, *sdk.KVStoreKey) {
db := dbm.NewMemDB()
capKey := sdk.NewKVStoreKey("capkey")
ms := store.NewCommitMultiStore(db)
ms.MountStoreWithDB(capKey, sdk.StoreTypeIAVL, db)
ms.LoadLatestVersion()
return ms, capKey
}

21
types/test_common.go
View File

@ -40,7 +40,7 @@ func NewTestStdFee() auth.StdFee {
}
func NewTestStdTx(
chainID *big.Int, msgs []sdk.Msg, accNums []int64, seqs []int64, pKeys []*ecdsa.PrivateKey, fee auth.StdFee,
chainID *big.Int, msgs []sdk.Msg, accNums, seqs []int64, pKeys []*ecdsa.PrivateKey, fee auth.StdFee,
) sdk.Tx {
sigs := make([]auth.StdSignature, len(pKeys))
@ -100,22 +100,3 @@ func NewTestEthTxs(
return txs
}
func NewTestSDKTxs(
codec *wire.Codec, chainID *big.Int, to ethcmn.Address, msgs []sdk.Msg,
accNums []int64, seqs []int64, pKeys []*ecdsa.PrivateKey, fee auth.StdFee,
) []*Transaction {
txs := make([]*Transaction, len(pKeys))
stdTx := NewTestStdTx(chainID, msgs, accNums, seqs, pKeys, fee)
payload := codec.MustMarshalBinary(stdTx)
for i, privKey := range pKeys {
ethTx := NewTransaction(uint64(seqs[i]), to, big.NewInt(10), 1000, big.NewInt(100), payload)
ethTx.Sign(chainID, privKey)
txs[i] = ethTx
}
return txs
}

10
types/tx_test.go
View File

@ -120,16 +120,14 @@ func TestTxDecoder(t *testing.T) {
require.Equal(t, txs[0].data, (decodedTx.(Transaction)).data)
// create a SDK (auth.StdTx) transaction and encode
txs = NewTestSDKTxs(
testCodec, TestChainID, TestSDKAddr, msgs, []int64{0}, []int64{0},
[]*ecdsa.PrivateKey{TestPrivKey1}, NewTestStdFee(),
)
stdTx := NewTestStdTx(TestChainID, msgs, []int64{0}, []int64{0}, []*ecdsa.PrivateKey{TestPrivKey1}, NewTestStdFee())
payload := testCodec.MustMarshalBinary(stdTx)
tx := NewTransaction(0, TestSDKAddr, big.NewInt(10), 1000, big.NewInt(100), payload)
txBytes, err = rlp.EncodeToBytes(txs[0])
txBytes, err = rlp.EncodeToBytes(tx)
require.NoError(t, err)
// require the transaction to properly decode into a Transaction
stdTx := NewTestStdTx(TestChainID, msgs, []int64{0}, []int64{0}, []*ecdsa.PrivateKey{TestPrivKey1}, NewTestStdFee())
decodedTx, err = txDecoder(txBytes)
require.NoError(t, err)
require.IsType(t, auth.StdTx{}, decodedTx)

1
types/wire.go
View File

@ -15,5 +15,6 @@ func init() {
// codec.
func RegisterWire(codec *wire.Codec) {
sdk.RegisterWire(codec)
codec.RegisterConcrete(&Transaction{}, "types/Transaction", nil)
codec.RegisterConcrete(&Account{}, "types/Account", nil)
}