Exemple #1
0
func HandleV2CommitEntry(state interfaces.IState, params interface{}) (interface{}, *primitives.JSONError) {
	commitEntryMsg := new(EntryRequest)
	err := MapToObject(params, commitEntryMsg)
	if err != nil {
		return nil, NewInvalidParamsError()
	}

	commit := entryCreditBlock.NewCommitEntry()
	if p, err := hex.DecodeString(commitEntryMsg.Entry); err != nil {
		return nil, NewInvalidCommitEntryError()
	} else {
		_, err := commit.UnmarshalBinaryData(p)
		if err != nil {
			return nil, NewInvalidCommitEntryError()
		}
	}

	msg := new(messages.CommitEntryMsg)
	msg.CommitEntry = commit
	state.APIQueue() <- msg
	state.IncECommits()

	resp := new(CommitEntryResponse)
	resp.Message = "Entry Commit Success"
	resp.TxID = commit.GetSigHash().String()

	return resp, nil
}
Exemple #2
0
func (m *CommitEntryMsg) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("Error unmarshalling Commit entry Message: %v", r)
		}
	}()
	newData = data
	if newData[0] != m.Type() {
		return nil, fmt.Errorf("Invalid Message type")
	}
	newData = newData[1:]

	ce := entryCreditBlock.NewCommitEntry()
	newData, err = ce.UnmarshalBinaryData(newData)
	if err != nil {
		return nil, err
	}
	m.CommitEntry = ce

	if len(newData) > 0 {
		m.Signature = new(primitives.Signature)
		newData, err = m.Signature.UnmarshalBinaryData(newData)
		if err != nil {
			return nil, err
		}
	}

	return newData, nil
}
func newCommitEntry() *CommitEntryMsg {
	cem := new(CommitEntryMsg)

	ce := entryCreditBlock.NewCommitEntry()

	// build a CommitEntry for testing
	ce.Version = 0
	ce.MilliTime = (*primitives.ByteSlice6)(&[6]byte{1, 1, 1, 1, 1, 1})
	p, _ := hex.DecodeString("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
	ce.EntryHash.SetBytes(p)
	ce.Credits = 1

	// make a key and sign the msg
	if pub, privkey, err := ed.GenerateKey(rand.Reader); err != nil {
		panic(err)
	} else {
		ce.ECPubKey = (*primitives.ByteSlice32)(pub)
		ce.Sig = (*primitives.ByteSlice64)(ed.Sign(privkey, ce.CommitMsg()))
	}

	cem.CommitEntry = ce
	//cem.Timestamp = primitives.NewTimestampNow()

	return cem
}
Exemple #4
0
func (m *CommitEntryMsg) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("Error unmarshalling: %v", r)
		}
	}()
	newData = data[1:]
	ce := entryCreditBlock.NewCommitEntry()
	newData, err = ce.UnmarshalBinaryData(newData)
	if err != nil {
		return nil, err
	}
	m.CommitEntry = ce
	return newData, nil
}
Exemple #5
0
func NewCommitEntry(eBlock *entryBlock.EBlock) *entryCreditBlock.CommitEntry {
	commit := entryCreditBlock.NewCommitEntry()

	commit.Version = 1
	err := commit.MilliTime.UnmarshalBinary([]byte{0, 0, 0, 0, 0, byte(eBlock.GetHeader().GetDBHeight())})
	if err != nil {
		panic(err)
	}
	commit.EntryHash = eBlock.Body.EBEntries[0]

	bin, err := commit.MarshalBinary()
	if err != nil {
		panic(err)
	}
	cost, err := util.EntryCost(bin)
	if err != nil {
		panic(err)
	}
	commit.Credits = cost

	SignCommit(0, commit)

	return commit
}
Exemple #6
0
//Construct the entry and submit it to the server
func (a *Anchor) submitEntryToAnchorChain(aRecord *AnchorRecord) error {
	jsonARecord, err := json.Marshal(aRecord)
	//anchorLog.Debug("submitEntryToAnchorChain - jsonARecord: ", string(jsonARecord))
	if err != nil {
		return err
	}
	bufARecord := new(primitives.Buffer)
	bufARecord.Write(jsonARecord)
	aRecordSig := a.serverPrivKey.Sign(jsonARecord)

	//Create a new entry
	entry := entryBlock.NewEntry()
	entry.ChainID = a.anchorChainID
	anchorLog.Debug("anchorChainID: ", a.anchorChainID)
	// instead of append signature at the end of anchor record
	// it can be added as the first entry.ExtIDs[0]
	entry.ExtIDs = append(entry.ExtIDs, primitives.ByteSlice{Bytes: aRecordSig.Bytes()})
	entry.Content = primitives.ByteSlice{Bytes: bufARecord.DeepCopyBytes()}
	//anchorLog.Debug("entry: ", spew.Sdump(entry))

	buf := new(primitives.Buffer)
	// 1 byte version
	buf.Write([]byte{0})
	// 6 byte milliTimestamp (truncated unix time)
	buf.Write(milliTime())
	// 32 byte Entry Hash
	buf.Write(entry.GetHash().Bytes())
	// 1 byte number of entry credits to pay
	binaryEntry, err := entry.MarshalBinary()
	if err != nil {
		return err
	}

	anchorLog.Debug("jsonARecord binary entry: ", hex.EncodeToString(binaryEntry))
	if c, err := util.EntryCost(binaryEntry); err == nil {
		buf.WriteByte(byte(c))
	} else {
		return err
	}

	tmp := buf.DeepCopyBytes()
	sig := a.serverECKey.Sign(tmp).(*primitives.Signature)
	buf = primitives.NewBuffer(tmp)
	buf.Write(a.serverECKey.Pub[:])
	buf.Write(sig.Sig[:])

	commit := entryCreditBlock.NewCommitEntry()
	err = commit.UnmarshalBinary(buf.DeepCopyBytes())
	if err != nil {
		return err
	}

	// create a CommitEntry msg and send it to the local inmsgQ
	cm := messages.NewCommitEntryMsg()
	cm.CommitEntry = commit
	a.state.InMsgQueue() <- cm

	// create a RevealEntry msg and send it to the local inmsgQ
	rm := messages.NewRevealEntryMsg()
	rm.Entry = entry
	a.state.InMsgQueue() <- rm

	return nil
}