prysm-pulse/beacon-chain/execution/engine_client_fuzz_test.go
terence 5a66807989
Update to V5 (#13622)
* First take at updating everything to v5

* Patch gRPC gateway to use prysm v5

Fix patch

* Update go ssz

---------

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>
2024-02-15 05:46:47 +00:00

302 lines
11 KiB
Go

//go:build go1.18
// +build go1.18
package execution_test
import (
"encoding/json"
"fmt"
"math"
"math/big"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/beacon/engine"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/pkg/errors"
"github.com/prysmaticlabs/prysm/v5/beacon-chain/execution"
pb "github.com/prysmaticlabs/prysm/v5/proto/engine/v1"
"github.com/prysmaticlabs/prysm/v5/testing/assert"
)
func FuzzForkChoiceResponse(f *testing.F) {
valHash := common.Hash([32]byte{0xFF, 0x01})
payloadID := engine.PayloadID([8]byte{0x01, 0xFF, 0xAA, 0x00, 0xEE, 0xFE, 0x00, 0x00})
valErr := "asjajshjahsaj"
seed := &engine.ForkChoiceResponse{
PayloadStatus: engine.PayloadStatusV1{
Status: "INVALID_TERMINAL_BLOCK",
LatestValidHash: &valHash,
ValidationError: &valErr,
},
PayloadID: &payloadID,
}
output, err := json.Marshal(seed)
assert.NoError(f, err)
f.Add(output)
f.Fuzz(func(t *testing.T, jsonBlob []byte) {
gethResp := &engine.ForkChoiceResponse{}
prysmResp := &execution.ForkchoiceUpdatedResponse{}
gethErr := json.Unmarshal(jsonBlob, gethResp)
prysmErr := json.Unmarshal(jsonBlob, prysmResp)
assert.Equal(t, gethErr != nil, prysmErr != nil, fmt.Sprintf("geth and prysm unmarshaller return inconsistent errors. %v and %v", gethErr, prysmErr))
// Nothing to marshal if we have an error.
if gethErr != nil {
return
}
gethBlob, gethErr := json.Marshal(gethResp)
prysmBlob, prysmErr := json.Marshal(prysmResp)
assert.Equal(t, gethErr != nil, prysmErr != nil, "geth and prysm unmarshaller return inconsistent errors")
newGethResp := &engine.ForkChoiceResponse{}
newGethErr := json.Unmarshal(prysmBlob, newGethResp)
assert.NoError(t, newGethErr)
if newGethResp.PayloadStatus.Status == "UNKNOWN" {
return
}
newGethResp2 := &engine.ForkChoiceResponse{}
newGethErr = json.Unmarshal(gethBlob, newGethResp2)
assert.NoError(t, newGethErr)
assert.DeepEqual(t, newGethResp.PayloadID, newGethResp2.PayloadID)
assert.DeepEqual(t, newGethResp.PayloadStatus.Status, newGethResp2.PayloadStatus.Status)
assert.DeepEqual(t, newGethResp.PayloadStatus.LatestValidHash, newGethResp2.PayloadStatus.LatestValidHash)
isNilOrEmpty := newGethResp.PayloadStatus.ValidationError == nil || (*newGethResp.PayloadStatus.ValidationError == "")
isNilOrEmpty2 := newGethResp2.PayloadStatus.ValidationError == nil || (*newGethResp2.PayloadStatus.ValidationError == "")
assert.DeepEqual(t, isNilOrEmpty, isNilOrEmpty2)
if !isNilOrEmpty {
assert.DeepEqual(t, *newGethResp.PayloadStatus.ValidationError, *newGethResp2.PayloadStatus.ValidationError)
}
})
}
func FuzzExecutionPayload(f *testing.F) {
logsBloom := [256]byte{'j', 'u', 'n', 'k'}
execData := &engine.ExecutionPayloadEnvelope{
ExecutionPayload: &engine.ExecutableData{
ParentHash: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
FeeRecipient: common.Address([20]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF}),
StateRoot: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
ReceiptsRoot: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
LogsBloom: logsBloom[:],
Random: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
Number: math.MaxUint64,
GasLimit: math.MaxUint64,
GasUsed: math.MaxUint64,
Timestamp: 100,
ExtraData: []byte{},
BaseFeePerGas: big.NewInt(math.MaxInt),
BlockHash: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
Transactions: [][]byte{{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}, {0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}, {0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}, {0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}},
Withdrawals: []*types.Withdrawal{},
},
BlockValue: nil,
}
output, err := json.Marshal(execData)
assert.NoError(f, err)
f.Add(output)
f.Fuzz(func(t *testing.T, jsonBlob []byte) {
gethResp := &engine.ExecutionPayloadEnvelope{}
prysmResp := &pb.ExecutionPayloadCapellaWithValue{}
gethErr := json.Unmarshal(jsonBlob, gethResp)
prysmErr := json.Unmarshal(jsonBlob, prysmResp)
assert.Equal(t, gethErr != nil, prysmErr != nil, fmt.Sprintf("geth and prysm unmarshaller return inconsistent errors. %v and %v", gethErr, prysmErr))
// Nothing to marshal if we have an error.
if gethErr != nil {
return
}
gethBlob, gethErr := json.Marshal(gethResp)
prysmBlob, prysmErr := json.Marshal(prysmResp)
assert.Equal(t, gethErr != nil, prysmErr != nil, "geth and prysm unmarshaller return inconsistent errors")
newGethResp := &engine.ExecutionPayloadEnvelope{}
newGethErr := json.Unmarshal(prysmBlob, newGethResp)
assert.NoError(t, newGethErr)
newGethResp2 := &engine.ExecutionPayloadEnvelope{}
newGethErr = json.Unmarshal(gethBlob, newGethResp2)
assert.NoError(t, newGethErr)
assert.DeepEqual(t, newGethResp, newGethResp2)
})
}
func FuzzExecutionBlock(f *testing.F) {
f.Skip("Is skipped until false positive rate can be resolved.")
logsBloom := [256]byte{'j', 'u', 'n', 'k'}
addr := common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87")
innerData := &types.DynamicFeeTx{
ChainID: big.NewInt(math.MaxInt),
Nonce: math.MaxUint64,
GasTipCap: big.NewInt(math.MaxInt),
GasFeeCap: big.NewInt(math.MaxInt),
Gas: math.MaxUint64,
To: &addr,
Value: big.NewInt(math.MaxInt),
Data: []byte{'r', 'a', 'n', 'd', 'o', 'm'},
// Signature values
V: big.NewInt(0),
R: big.NewInt(math.MaxInt),
S: big.NewInt(math.MaxInt),
}
tx := types.NewTx(innerData)
execBlock := &pb.ExecutionBlock{
Header: types.Header{
ParentHash: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
Root: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
ReceiptHash: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
Bloom: types.Bloom(logsBloom),
Number: big.NewInt(math.MaxInt),
GasLimit: math.MaxUint64,
GasUsed: math.MaxUint64,
Time: 100,
Extra: nil,
BaseFee: big.NewInt(math.MaxInt),
Difficulty: big.NewInt(math.MaxInt),
},
Hash: common.Hash([32]byte{0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01, 0xFF, 0x01}),
TotalDifficulty: "999999999999999999999999999999999999999",
Transactions: []*types.Transaction{tx, tx},
}
output, err := json.Marshal(execBlock)
assert.NoError(f, err)
f.Add(output)
f.Fuzz(func(t *testing.T, jsonBlob []byte) {
gethResp := make(map[string]interface{})
prysmResp := &pb.ExecutionBlock{}
gethErr := json.Unmarshal(jsonBlob, &gethResp)
prysmErr := json.Unmarshal(jsonBlob, prysmResp)
// Nothing to marshal if we have an error.
if gethErr != nil || prysmErr != nil {
return
}
// Exit early if fuzzer is inserting bogus hashes in.
if isBogusTransactionHash(prysmResp, gethResp) {
return
}
// Exit early if fuzzer provides bogus fields.
valid, err := jsonFieldsAreValid(prysmResp, gethResp)
assert.NoError(t, err)
if !valid {
return
}
assert.NoError(t, validateBlockConsistency(prysmResp, gethResp))
gethBlob, gethErr := json.Marshal(gethResp)
prysmBlob, prysmErr := json.Marshal(prysmResp)
assert.Equal(t, gethErr != nil, prysmErr != nil, "geth and prysm unmarshaller return inconsistent errors")
newGethResp := make(map[string]interface{})
newGethErr := json.Unmarshal(prysmBlob, &newGethResp)
assert.NoError(t, newGethErr)
newGethResp2 := make(map[string]interface{})
newGethErr = json.Unmarshal(gethBlob, &newGethResp2)
assert.NoError(t, newGethErr)
assert.DeepEqual(t, newGethResp, newGethResp2)
compareHeaders(t, jsonBlob)
})
}
func isBogusTransactionHash(blk *pb.ExecutionBlock, jsonMap map[string]interface{}) bool {
if blk.Transactions == nil {
return false
}
for i, tx := range blk.Transactions {
jsonTx, ok := jsonMap["transactions"].([]interface{})[i].(map[string]interface{})
if !ok {
return true
}
// Fuzzer removed hash field.
if _, ok := jsonTx["hash"]; !ok {
return true
}
if tx.Hash().String() != jsonTx["hash"].(string) {
return true
}
}
return false
}
func compareHeaders(t *testing.T, jsonBlob []byte) {
gethResp := &types.Header{}
prysmResp := &pb.ExecutionBlock{}
gethErr := json.Unmarshal(jsonBlob, gethResp)
prysmErr := json.Unmarshal(jsonBlob, prysmResp)
assert.Equal(t, gethErr != nil, prysmErr != nil, fmt.Sprintf("geth and prysm unmarshaller return inconsistent errors. %v and %v", gethErr, prysmErr))
// Nothing to marshal if we have an error.
if gethErr != nil {
return
}
gethBlob, gethErr := json.Marshal(gethResp)
prysmBlob, prysmErr := json.Marshal(prysmResp.Header)
assert.Equal(t, gethErr != nil, prysmErr != nil, "geth and prysm unmarshaller return inconsistent errors")
newGethResp := &types.Header{}
newGethErr := json.Unmarshal(prysmBlob, newGethResp)
assert.NoError(t, newGethErr)
newGethResp2 := &types.Header{}
newGethErr = json.Unmarshal(gethBlob, newGethResp2)
assert.NoError(t, newGethErr)
assert.DeepEqual(t, newGethResp, newGethResp2)
}
func validateBlockConsistency(execBlock *pb.ExecutionBlock, jsonMap map[string]interface{}) error {
blockVal := reflect.ValueOf(execBlock).Elem()
bType := reflect.TypeOf(execBlock).Elem()
fieldnum := bType.NumField()
for i := 0; i < fieldnum; i++ {
field := bType.Field(i)
fName := field.Tag.Get("json")
if field.Name == "Header" {
continue
}
if fName == "" {
return errors.Errorf("Field %s had no json tag", field.Name)
}
fVal, ok := jsonMap[fName]
if !ok {
return errors.Errorf("%s doesn't exist in json map for field %s", fName, field.Name)
}
jsonVal := fVal
bVal := blockVal.Field(i).Interface()
if field.Name == "Hash" {
jsonVal = common.HexToHash(jsonVal.(string))
}
if field.Name == "Transactions" {
continue
}
if !reflect.DeepEqual(jsonVal, bVal) {
return errors.Errorf("fields don't match, %v and %v are not equal for field %s", jsonVal, bVal, field.Name)
}
}
return nil
}
func jsonFieldsAreValid(execBlock *pb.ExecutionBlock, jsonMap map[string]interface{}) (bool, error) {
bType := reflect.TypeOf(execBlock).Elem()
fieldnum := bType.NumField()
for i := 0; i < fieldnum; i++ {
field := bType.Field(i)
fName := field.Tag.Get("json")
if field.Name == "Header" {
continue
}
if fName == "" {
return false, errors.Errorf("Field %s had no json tag", field.Name)
}
_, ok := jsonMap[fName]
if !ok {
return false, nil
}
}
return true, nil
}