func (sc *systemChain) authorize(configEnvelope *cb.ConfigurationEnvelope) cb.Status {
creationConfigItem := &cb.ConfigurationItem{}
err := proto.Unmarshal(configEnvelope.Items[0].ConfigurationItem, creationConfigItem)
if err != nil {
logger.Debugf("Failing to validate chain creation because of unmarshaling error: %s", err)
return cb.Status_BAD_REQUEST
}
if creationConfigItem.Key != utils.CreationPolicyKey {
logger.Debugf("Failing to validate chain creation because first configuration item was not the CreationPolicy")
return cb.Status_BAD_REQUEST
}
creationPolicy := &ab.CreationPolicy{}
err = proto.Unmarshal(creationConfigItem.Value, creationPolicy)
if err != nil {
logger.Debugf("Failing to validate chain creation because first configuration item could not unmarshal to a CreationPolicy: %s", err)
return cb.Status_BAD_REQUEST
}
ok := false
for _, chainCreatorPolicy := range sc.support.SharedConfig().ChainCreators() {
if chainCreatorPolicy == creationPolicy.Policy {
ok = true
break
}
}
if !ok {
logger.Debugf("Failed to validate chain creation because chain creation policy is not authorized for chain creation")
return cb.Status_FORBIDDEN
}
policy, ok := sc.support.PolicyManager().GetPolicy(creationPolicy.Policy)
if !ok {
logger.Debugf("Failed to get policy for chain creation despite it being listed as an authorized policy")
return cb.Status_INTERNAL_SERVER_ERROR
}
// XXX actually do policy signature validation
_ = policy
var remainingBytes []byte
for i, item := range configEnvelope.Items {
if i == 0 {
// Do not include the creation policy
continue
}
remainingBytes = append(remainingBytes, item.ConfigurationItem...)
}
configHash := util.ComputeCryptoHash(remainingBytes)
if !bytes.Equal(configHash, creationPolicy.Digest) {
logger.Debugf("Validly signed chain creation did not contain correct digest for remaining configuration %x vs. %x", configHash, creationPolicy.Digest)
return cb.Status_BAD_REQUEST
}
return cb.Status_SUCCESS
}
// TestHashContentChange changes a random byte in a content and checks for hash change
func TestHashContentChange(t *testing.T) {
b := []byte("firstcontent")
hash := util.ComputeCryptoHash(b)
b2 := []byte("To be, or not to be- that is the question: Whether 'tis nobler in the mind to suffer The slings and arrows of outrageous fortune Or to take arms against a sea of troubles, And by opposing end them. To die- to sleep- No more; and by a sleep to say we end The heartache, and the thousand natural shocks That flesh is heir to. 'Tis a consummation Devoutly to be wish'd.")
h1 := computeHash(b2, hash)
r := rand.New(rand.NewSource(time.Now().UnixNano()))
randIndex := (int(r.Uint32())) % len(b2)
randByte := byte((int(r.Uint32())) % 128)
//make sure the two bytes are different
for {
if randByte != b2[randIndex] {
break
}
randByte = byte((int(r.Uint32())) % 128)
}
//change a random byte
b2[randIndex] = randByte
//this is the core hash func under test
h2 := computeHash(b2, hash)
//the two hashes should be different
if bytes.Compare(h1, h2) == 0 {
t.Fail()
t.Logf("Hash expected to be different but is same")
}
}
func (trieNode *trieNode) computeCryptoHash() []byte {
stateTrieLogger.Debug("Enter computeCryptoHash() for trieNode [%s]", trieNode)
var cryptoHashContent []byte
if trieNode.containsValue() {
stateTrieLogger.Debug("Adding value to hash computation for trieNode [%s]", trieNode)
key := trieNode.trieKey.getEncodedBytes()
cryptoHashContent = append(cryptoHashContent, proto.EncodeVarint(uint64(len(key)))...)
cryptoHashContent = append(cryptoHashContent, key...)
cryptoHashContent = append(cryptoHashContent, trieNode.value...)
}
sortedChildrenIndexes := trieNode.getSortedChildrenIndex()
for _, index := range sortedChildrenIndexes {
childCryptoHash := trieNode.childrenCryptoHashes[index]
stateTrieLogger.Debug("Adding hash [%#v] for child number [%d] to hash computation for trieNode [%s]", childCryptoHash, index, trieNode)
cryptoHashContent = append(cryptoHashContent, childCryptoHash...)
}
if cryptoHashContent == nil {
// node has no associated value and no associated children.
stateTrieLogger.Debug("Returning nil as hash for trieNode = [%s]. Also, marking this key for deletion.", trieNode)
trieNode.markedForDeletion = true
return nil
}
if !trieNode.containsValue() && trieNode.getNumChildren() == 1 {
// node has no associated value and has a single child. Propagate the child hash up
stateTrieLogger.Debug("Returning hash as of a single child for trieKey = [%s]", trieNode.trieKey)
return cryptoHashContent
}
stateTrieLogger.Debug("Recomputing hash for trieKey = [%s]", trieNode)
return util.ComputeCryptoHash(cryptoHashContent)
}
func TestGoodProposal(t *testing.T) {
newChainID := "NewChainID"
mcc := newMockChainCreator()
mcc.ms.msc.chainCreators = []string{provisional.AcceptAllPolicyKey}
mcc.ms.mpm.mp = &mockPolicy{}
chainCreateTx := &cb.ConfigurationItem{
Header: &cb.ChainHeader{
ChainID: newChainID,
Type: int32(cb.HeaderType_CONFIGURATION_ITEM),
},
Key: utils.CreationPolicyKey,
Type: cb.ConfigurationItem_Orderer,
Value: utils.MarshalOrPanic(&ab.CreationPolicy{
Policy: provisional.AcceptAllPolicyKey,
Digest: coreutil.ComputeCryptoHash([]byte{}),
}),
}
ingressTx := makeConfigTxWithItems(newChainID, chainCreateTx)
status := mcc.sysChain.proposeChain(ingressTx)
if status != cb.Status_SUCCESS {
t.Fatalf("Should have successfully proposed chain")
}
expected := 1
if len(mcc.ms.queue) != expected {
t.Fatalf("Expected %d creation txs in the chain, but found %d", expected, len(mcc.ms.queue))
}
wrapped := mcc.ms.queue[0]
payload := utils.UnmarshalPayloadOrPanic(wrapped.Payload)
if payload.Header.ChainHeader.Type != int32(cb.HeaderType_ORDERER_TRANSACTION) {
t.Fatalf("Wrapped transaction should be of type ORDERER_TRANSACTION")
}
envelope := utils.UnmarshalEnvelopeOrPanic(payload.Data)
if !reflect.DeepEqual(envelope, ingressTx) {
t.Fatalf("Received different configtx than ingressed into the system")
}
sysFilter := newSystemChainFilter(mcc)
action, committer := sysFilter.Apply(wrapped)
if action != filter.Accept {
t.Fatalf("Should have accepted the transaction, as it was already validated")
}
if !committer.Isolated() {
t.Fatalf("Chain creation transactions should be isolated on commit")
}
committer.Commit()
if len(mcc.newChains) != 1 {
t.Fatalf("Proposal should only have created 1 new chain")
}
if !reflect.DeepEqual(mcc.newChains[0], ingressTx) {
t.Fatalf("New chain should have been created with ingressTx")
}
}
func TestHashSameRemoteRepo(t *testing.T) {
b := []byte("firstcontent")
hash := util.ComputeCryptoHash(b)
srcPath1, err := getCodeFromHTTP("https://github.com/xspeedcruiser/javachaincodemvn")
srcPath2, err := getCodeFromHTTP("https://github.com/xspeedcruiser/javachaincodemvn")
if err != nil {
t.Logf("Error getting code from remote repo %s", err)
t.Fail()
}
defer func() {
os.RemoveAll(srcPath1)
}()
defer func() {
os.RemoveAll(srcPath2)
}()
hash1, err := hashFilesInDir(srcPath1, srcPath1, hash, nil)
if err != nil {
t.Logf("Error getting code %s", err)
t.Fail()
}
hash2, err := hashFilesInDir(srcPath2, srcPath2, hash, nil)
if err != nil {
t.Logf("Error getting code %s", err)
t.Fail()
}
if bytes.Compare(hash1, hash2) != 0 {
t.Logf("Hash should be same across multiple downloads")
t.Fail()
}
}
func (b *BlockData) Hash() []byte {
data, err := proto.Marshal(b) // XXX this is wrong, protobuf is not the right mechanism to serialize for a hash, AND, it is not a MerkleTree hash
if err != nil {
panic("This should never fail and is generally irrecoverable")
}
return util.ComputeCryptoHash(data)
}
func (c *bucketHashCalculator) computeCryptoHash() []byte {
if c.currentChaincodeID != "" {
c.appendCurrentChaincodeData()
c.currentChaincodeID = ""
c.dataNodes = nil
}
logger.Debug("Hashable content for bucket [%s]: length=%d, contentInStringForm=[%s]", c.bucketKey, len(c.hashingData), string(c.hashingData))
if util.IsNil(c.hashingData) {
return nil
}
return openchainUtil.ComputeCryptoHash(c.hashingData)
}
func expectedCryptoHashForTest(key *trieKey, value []byte, childrenHashes ...[]byte) []byte {
expectedHash := []byte{}
if key != nil {
keyBytes := key.getEncodedBytes()
expectedHash = append(expectedHash, proto.EncodeVarint(uint64(len(keyBytes)))...)
expectedHash = append(expectedHash, keyBytes...)
expectedHash = append(expectedHash, value...)
}
for _, b := range childrenHashes {
expectedHash = append(expectedHash, b...)
}
return util.ComputeCryptoHash(expectedHash)
}
//GetName returns canonical chaincode name based on chain name
func (ccid *CCID) GetName() string {
if ccid.ChaincodeSpec == nil {
panic("nil chaincode spec")
}
//this better be chainless system chaincode!
if ccid.ChainID != "" {
hash := util.ComputeCryptoHash([]byte(ccid.ChainID))
hexstr := hex.EncodeToString(hash[:])
return ccid.ChaincodeSpec.ChaincodeID.Name + "-" + hexstr
}
return ccid.ChaincodeSpec.ChaincodeID.Name
}
func hash(msg interface{}) string {
var raw []byte
switch converted := msg.(type) {
case *Request:
raw, _ = proto.Marshal(converted)
case *RequestBatch:
raw, _ = proto.Marshal(converted)
default:
logger.Error("Asked to hash non-supported message type, ignoring")
return ""
}
return base64.StdEncoding.EncodeToString(util.ComputeCryptoHash(raw))
}
//core hash computation factored out for testing
func computeHash(contents []byte, hash []byte) []byte {
newSlice := make([]byte, len(hash)+len(contents))
//copy the contents
copy(newSlice[0:len(contents)], contents[:])
//add the previous hash
copy(newSlice[len(contents):], hash[:])
//compute new hash
hash = util.ComputeCryptoHash(newSlice)
return hash
}
// TestHashOrderChange changes a order of hash computation over a list of lines and checks for hash change
func TestHashOrderChange(t *testing.T) {
b := []byte("firstcontent")
hash := util.ComputeCryptoHash(b)
b2 := [][]byte{[]byte("To be, or not to be- that is the question:"),
[]byte("Whether 'tis nobler in the mind to suffer"),
[]byte("The slings and arrows of outrageous fortune"),
[]byte("Or to take arms against a sea of troubles,"),
[]byte("And by opposing end them."),
[]byte("To die- to sleep- No more; and by a sleep to say we end"),
[]byte("The heartache, and the thousand natural shocks"),
[]byte("That flesh is heir to."),
[]byte("'Tis a consummation Devoutly to be wish'd.")}
h1 := hash
for _, l := range b2 {
h1 = computeHash(l, h1)
}
r := rand.New(rand.NewSource(time.Now().UnixNano()))
randIndex1 := (int(r.Uint32())) % len(b2)
randIndex2 := (int(r.Uint32())) % len(b2)
//make sure the two indeces are different
for {
if randIndex2 != randIndex1 {
break
}
randIndex2 = (int(r.Uint32())) % len(b2)
}
//switch two arbitrary lines
tmp := b2[randIndex2]
b2[randIndex2] = b2[randIndex1]
b2[randIndex1] = tmp
h2 := hash
for _, l := range b2 {
h2 = computeHash(l, hash)
}
//hash should be different
if bytes.Compare(h1, h2) == 0 {
t.Fail()
t.Logf("Hash expected to be different but is same")
}
}
func BenchmarkCryptoHash(b *testing.B) {
flags := flag.NewFlagSet("testParams", flag.ExitOnError)
numBytesPointer := flags.Int("NumBytes", -1, "Number of Bytes")
flags.Parse(testParams)
numBytes := *numBytesPointer
if numBytes == -1 {
b.Fatal("Missing value for parameter NumBytes")
}
randomBytes := testutil.ConstructRandomBytes(b, numBytes)
//b.Logf("byte size=%d, b.N=%d", len(randomBytes), b.N)
b.ResetTimer()
for i := 0; i < b.N; i++ {
util.ComputeCryptoHash(randomBytes)
}
}
func TestHashOverLocalDir(t *testing.T) {
b := []byte("firstcontent")
hash := util.ComputeCryptoHash(b)
hash, err := hashFilesInDir(".", "../golang/hashtestfiles", hash, nil)
if err != nil {
t.Fail()
t.Logf("error : %s", err)
}
expectedHash := "7b3b2193bed2bd7c19300aa5d6d7f6bb4d61602e4978a78bc08028379cb5cf0ed877bd9db3e990230e8bf6c974edd765f3027f061fd8657d30fc858a676a6f4a"
computedHash := hex.EncodeToString(hash[:])
if expectedHash != computedHash {
t.Fail()
t.Logf("Hash expected to be unchanged")
}
}
// GetHash returns the hash of this block.
func (block *Block) GetHash() ([]byte, error) {
// copy the block and remove the non-hash data
blockBytes, err := block.Bytes()
if err != nil {
return nil, fmt.Errorf("Could not calculate hash of block: %s", err)
}
blockCopy, err := UnmarshallBlock(blockBytes)
if err != nil {
return nil, fmt.Errorf("Could not calculate hash of block: %s", err)
}
blockCopy.NonHashData = nil
// Hash the block
data, err := proto.Marshal(blockCopy)
if err != nil {
return nil, fmt.Errorf("Could not calculate hash of block: %s", err)
}
hash := util.ComputeCryptoHash(data)
return hash, nil
}
// TestHashOverFiles computes hash over a directory and ensures it matches precomputed, hardcoded, hash
func TestHashOverFiles(t *testing.T) {
b := []byte("firstcontent")
hash := util.ComputeCryptoHash(b)
hash, err := hashFilesInDir(".", "hashtestfiles", hash, nil)
if err != nil {
t.Fail()
t.Logf("error : %s", err)
}
//as long as no files under "hashtestfiles" are changed, hash should always compute to the following
expectedHash := "a4fe18bebf3d7e1c030c042903bdda9019b33829d03d9b95ab1edc8957be70dee6d786ab27b207210d29b5d9f88456ff753b8da5c244458cdcca6eb3c28a17ce"
computedHash := hex.EncodeToString(hash[:])
if expectedHash != computedHash {
t.Fail()
t.Logf("Hash expected to be unchanged")
}
}
//generateHashcode gets hashcode of the code under path. If path is a HTTP(s) url
//it downloads the code first to compute the hash.
//NOTE: for dev mode, user builds and runs chaincode manually. The name provided
//by the user is equivalent to the path. This method will treat the name
//as codebytes and compute the hash from it. ie, user cannot run the chaincode
//with the same (name, ctor, args)
func generateHashcode(spec *pb.ChaincodeSpec, path string) (string, error) {
ctor := spec.CtorMsg
if ctor == nil || ctor.Function == "" {
return "", fmt.Errorf("Cannot generate hashcode from empty ctor")
}
hash := util.GenerateHashFromSignature(spec.ChaincodeID.Path, ctor.Function, ctor.Args)
buf, err := ioutil.ReadFile(path)
if err != nil {
return "", fmt.Errorf("Error reading file: %s", err)
}
newSlice := make([]byte, len(hash)+len(buf))
copy(newSlice[len(buf):], hash[:])
//hash = md5.Sum(newSlice)
hash = util.ComputeCryptoHash(newSlice)
return hex.EncodeToString(hash[:]), nil
}
// TestHashLenChange changes a random length of a content and checks for hash change
func TestHashLenChange(t *testing.T) {
b := []byte("firstcontent")
hash := util.ComputeCryptoHash(b)
b2 := []byte("To be, or not to be-")
h1 := computeHash(b2, hash)
r := rand.New(rand.NewSource(time.Now().UnixNano()))
randIndex := (int(r.Uint32())) % len(b2)
b2 = b2[0:randIndex]
h2 := computeHash(b2, hash)
//hash should be different
if bytes.Compare(h1, h2) == 0 {
t.Fail()
t.Logf("Hash expected to be different but is same")
}
}
func (bucketNode *bucketNode) computeCryptoHash() []byte {
cryptoHashContent := []byte{}
numChildren := 0
for i, childCryptoHash := range bucketNode.childrenCryptoHash {
if childCryptoHash != nil {
numChildren++
logger.Debugf("Appending crypto-hash for child bucket = [%s]", bucketNode.bucketKey.getChildKey(i))
cryptoHashContent = append(cryptoHashContent, childCryptoHash...)
}
}
if numChildren == 0 {
logger.Debugf("Returning <nil> crypto-hash of bucket = [%s] - because, it has not children", bucketNode.bucketKey)
bucketNode.markedForDeletion = true
return nil
}
if numChildren == 1 {
logger.Debugf("Propagating crypto-hash of single child node for bucket = [%s]", bucketNode.bucketKey)
return cryptoHashContent
}
logger.Debugf("Computing crypto-hash for bucket [%s] by merging [%d] children", bucketNode.bucketKey, numChildren)
return openchainUtil.ComputeCryptoHash(cryptoHashContent)
}
//hashFilesInDir computes h=hash(h,file bytes) for each file in a directory
//Directory entries are traversed recursively. In the end a single
//hash value is returned for the entire directory structure
func hashFilesInDir(rootDir string, dir string, hash []byte, tw *tar.Writer) ([]byte, error) {
currentDir := filepath.Join(rootDir, dir)
logger.Debug("hashFiles %s", currentDir)
//ReadDir returns sorted list of files in dir
fis, err := ioutil.ReadDir(currentDir)
if err != nil {
return hash, fmt.Errorf("ReadDir failed %s\n", err)
}
for _, fi := range fis {
name := filepath.Join(dir, fi.Name())
if fi.IsDir() {
var err error
hash, err = hashFilesInDir(rootDir, name, hash, tw)
if err != nil {
return hash, err
}
continue
}
fqp := filepath.Join(rootDir, name)
buf, err := ioutil.ReadFile(fqp)
if err != nil {
fmt.Printf("Error reading %s\n", err)
return hash, err
}
newSlice := make([]byte, len(hash)+len(buf))
copy(newSlice[len(buf):], hash[:])
//hash = md5.Sum(newSlice)
hash = util.ComputeCryptoHash(newSlice)
if tw != nil {
is := bytes.NewReader(buf)
if err = cutil.WriteStreamToPackage(is, fqp, filepath.Join("src", name), tw); err != nil {
return hash, fmt.Errorf("Error adding file to tar %s", err)
}
}
}
return hash, nil
}
func TestProposalWithMissingPolicy(t *testing.T) {
newChainID := "NewChainID"
mcc := newMockChainCreator()
mcc.ms.msc.chainCreators = []string{provisional.AcceptAllPolicyKey}
chainCreateTx := &cb.ConfigurationItem{
Key: utils.CreationPolicyKey,
Type: cb.ConfigurationItem_Orderer,
Value: utils.MarshalOrPanic(&ab.CreationPolicy{
Policy: provisional.AcceptAllPolicyKey,
Digest: coreutil.ComputeCryptoHash([]byte{}),
}),
}
ingressTx := makeConfigTxWithItems(newChainID, chainCreateTx)
status := mcc.sysChain.proposeChain(ingressTx)
if status == cb.Status_SUCCESS {
t.Fatalf("Should not have validated the transaction with missing policy")
}
}
// ComputeCryptoHash computes crypto-hash for the data held
// returns nil if no data is present
func (stateDelta *StateDelta) ComputeCryptoHash() []byte {
if stateDelta.IsEmpty() {
return nil
}
var buffer bytes.Buffer
sortedChaincodeIds := stateDelta.GetUpdatedChaincodeIds(true)
for _, chaincodeID := range sortedChaincodeIds {
buffer.WriteString(chaincodeID)
chaincodeStateDelta := stateDelta.ChaincodeStateDeltas[chaincodeID]
sortedKeys := chaincodeStateDelta.getSortedKeys()
for _, key := range sortedKeys {
buffer.WriteString(key)
updatedValue := chaincodeStateDelta.get(key)
if !updatedValue.IsDeleted() {
buffer.Write(updatedValue.Value)
}
}
}
hashingContent := buffer.Bytes()
logger.Debugf("computing hash on %#v", hashingContent)
return util.ComputeCryptoHash(hashingContent)
}
//hashFilesInDir computes h=hash(h,file bytes) for each file in a directory
//Directory entries are traversed recursively. In the end a single
//hash value is returned for the entire directory structure
func hashFilesInDir(cutoff string, dir string, hash []byte, tw *tar.Writer) ([]byte, error) {
//ReadDir returns sorted list of files in dir
fis, err := ioutil.ReadDir(dir)
if err != nil {
return hash, fmt.Errorf("ReadDir failed %s\n", err)
}
for _, fi := range fis {
name := fmt.Sprintf("%s/%s", dir, fi.Name())
if fi.IsDir() {
var err error
hash, err = hashFilesInDir(cutoff, name, hash, tw)
if err != nil {
return hash, err
}
continue
}
buf, err := ioutil.ReadFile(name)
if err != nil {
fmt.Printf("Error reading %s\n", err)
return hash, err
}
newSlice := make([]byte, len(hash)+len(buf))
copy(newSlice[len(buf):], hash[:])
//hash = md5.Sum(newSlice)
hash = util.ComputeCryptoHash(newSlice)
if tw != nil {
is := bytes.NewReader(buf)
if err = cutil.WriteStreamToPackage(is, name, name[len(cutoff):], tw); err != nil {
return hash, fmt.Errorf("Error adding file to tar %s", err)
}
}
}
return hash, nil
}
func TestHashDiffRemoteRepo(t *testing.T) {
b := []byte("firstcontent")
hash := util.ComputeCryptoHash(b)
// TODO Change reference to an official test repo once established
// Same repo being used in behave tests
srcPath1, err := getCodeFromHTTP("https://github.com/xspeedcruiser/javachaincodemvn")
srcPath2, err := getCodeFromHTTP("https://github.com/xspeedcruiser/javachaincode")
if err != nil {
t.Logf("Error getting code from remote repo %s", err)
t.Fail()
}
defer func() {
os.RemoveAll(srcPath1)
}()
defer func() {
os.RemoveAll(srcPath2)
}()
hash1, err := hashFilesInDir(srcPath1, srcPath1, hash, nil)
if err != nil {
t.Logf("Error getting code %s", err)
t.Fail()
}
hash2, err := hashFilesInDir(srcPath2, srcPath2, hash, nil)
if err != nil {
t.Logf("Error getting code %s", err)
t.Fail()
}
if bytes.Compare(hash1, hash2) == 0 {
t.Logf("Hash should be different for 2 different remote repos")
t.Fail()
}
}
// ChainCreationConfiguration creates a new chain creation configuration envelope from
// the supplied creationPolicy, new chainID, and a template configuration envelope
// The template configuration envelope will have the correct chainID set on all items,
// and the first item will be a CreationPolicy which is ready for the signatures as
// required by the policy
func ChainCreationConfiguration(creationPolicy, newChainID string, template *cb.ConfigurationEnvelope) *cb.ConfigurationEnvelope {
newConfigItems := make([]*cb.SignedConfigurationItem, len(template.Items))
var hashBytes []byte
for i, item := range template.Items {
configItem := UnmarshalConfigurationItemOrPanic(item.ConfigurationItem)
configItem.Header.ChainID = newChainID
newConfigItems[i] = &cb.SignedConfigurationItem{
ConfigurationItem: MarshalOrPanic(configItem),
}
hashBytes = append(hashBytes, newConfigItems[i].ConfigurationItem...)
}
digest := cu.ComputeCryptoHash(hashBytes)
authorizeItem := &cb.SignedConfigurationItem{
ConfigurationItem: MarshalOrPanic(&cb.ConfigurationItem{
Header: &cb.ChainHeader{
ChainID: newChainID,
Type: int32(cb.HeaderType_CONFIGURATION_ITEM),
},
Type: cb.ConfigurationItem_Orderer,
Key: CreationPolicyKey,
Value: MarshalOrPanic(&ab.CreationPolicy{
Policy: creationPolicy,
Digest: digest,
}),
}),
}
authorizedConfig := append([]*cb.SignedConfigurationItem{authorizeItem}, newConfigItems...)
return &cb.ConfigurationEnvelope{
Items: authorizedConfig,
}
}
func hashReq(req *Request) string {
raw, _ := proto.Marshal(req)
return base64.StdEncoding.EncodeToString(util.ComputeCryptoHash(raw))
}
Expect(ledgerPtr.SetState("chaincode2", "key2", []byte("value2"))).To(BeNil())
ledgerPtr.TxFinished("txUuid2", true)
})
It("creates, but does not populate and finishes a transaction", func() {
ledgerPtr.TxBegin("txUuid3")
ledgerPtr.TxFinished("txUuid3", true)
})
It("creates, populates and finishes a transaction", func() {
ledgerPtr.TxBegin("txUuid4")
Expect(ledgerPtr.SetState("chaincode4", "key4", []byte("value4"))).To(BeNil())
ledgerPtr.TxFinished("txUuid4", false)
})
It("should retrieve the delta state hash array containing expected values", func() {
_, txDeltaHashes, err := ledgerPtr.GetTempStateHashWithTxDeltaStateHashes()
Expect(err).To(BeNil())
Expect(util.ComputeCryptoHash(appendAll([]byte("chaincode1key1value1")))).To(Equal(txDeltaHashes["txUuid1"]))
Expect(util.ComputeCryptoHash(appendAll([]byte("chaincode2key2value2")))).To(Equal(txDeltaHashes["txUuid2"]))
Expect(txDeltaHashes["txUuid3"]).To(BeNil())
_, ok := txDeltaHashes["txUuid4"]
Expect(ok).To(Equal(false))
})
It("should commit the batch", func() {
Expect(ledgerPtr.CommitTxBatch(1, []*protos.Transaction{}, nil, []byte("proof"))).To(BeNil())
})
It("creates, populates and finishes a transaction", func() {
Expect(ledgerPtr.BeginTxBatch(2)).To(BeNil())
ledgerPtr.TxBegin("txUuid1")
Expect(ledgerPtr.SetState("chaincode1", "key1", []byte("value1"))).To(BeNil())
ledgerPtr.TxFinished("txUuid1", true)
})
It("should retrieve a delta state hash array of length 1", func() {
func ComputeCryptoHash(content ...[]byte) []byte {
return util.ComputeCryptoHash(AppendAll(content...))
}
func (op *obcSieve) processExecute() {
if op.currentReq != "" {
return
}
primary := op.pbft.primary(op.epoch)
exec := op.queuedExec[primary]
delete(op.queuedExec, primary)
if exec == nil {
return
}
if !(exec.View == op.epoch && op.pbft.primary(op.epoch) == exec.ReplicaId && op.pbft.activeView) {
logger.Debug("Invalid execute from %d", exec.ReplicaId)
return
}
if exec.BlockNumber != op.blockNumber+1 {
logger.Debug("Block block number in execute wrong: expected %d, got %d",
op.blockNumber, exec.BlockNumber)
return
}
op.currentReq = base64.StdEncoding.EncodeToString(util.ComputeCryptoHash(exec.Request))
logger.Debug("Sieve replica %d received exec from %d, epoch=%d, blockNo=%d from request=%s",
op.id, exec.ReplicaId, exec.View, exec.BlockNumber, op.currentReq)
// With the execution decoupled from the ordering, this sanity check is challenging and introduces a race
/*
blockchainSize, _ := op.stack.GetBlockchainSize()
blockchainSize--
if op.blockNumber != blockchainSize {
logger.Critical("Sieve replica %d block number and ledger blockchain size diverged: blockNo=%d, blockchainSize=%d", op.id, op.blockNumber, blockchainSize)
return
}
*/
op.blockNumber = exec.BlockNumber
tx := &pb.Transaction{}
proto.Unmarshal(exec.Request, tx)
op.stack.BeginTxBatch(op.currentReq)
results, err := op.stack.ExecTxs(op.currentReq, []*pb.Transaction{tx})
_ = results // XXX what to do?
_ = err // XXX what to do?
logger.Debug("Sieve replica %d results=%x err=%v using lastPbftExec of %d", op.id, results, err, op.lastExecPbftSeqNo)
meta, _ := proto.Marshal(&Metadata{op.lastExecPbftSeqNo})
op.currentResult, err = op.stack.PreviewCommitTxBatch(op.currentReq, meta)
if err != nil {
logger.Error("could not preview next block: %s", err)
op.rollback()
return
}
logger.Debug("Sieve replica %d executed blockNo=%d, request=%s", op.id, op.blockNumber, op.currentReq)
verify := &Verify{
View: op.epoch,
BlockNumber: op.blockNumber,
RequestDigest: op.currentReq,
ResultDigest: op.currentResult,
ReplicaId: op.id,
}
op.pbft.sign(verify)
logger.Debug("Sieve replica %d sending verify blockNo=%d with result %x",
op.id, verify.BlockNumber, op.currentResult)
op.recvVerify(verify)
op.broadcastMsg(&SieveMessage{&SieveMessage_Verify{verify}})
// To prevent races, have the main pbft thread start this timer, as it will need to stop it
op.pbft.inject(func() { op.pbft.startTimer(op.pbft.requestTimeout, fmt.Sprintf("new request %s", op.currentReq)) })
}