func (b *IncreaseBalance) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
buf := bytes.NewBuffer(data)
hash := make([]byte, 32)
_, err = buf.Read(hash)
if err != nil {
return
}
b.ECPubKey = new(primitives.ByteSlice32)
copy(b.ECPubKey[:], hash)
_, err = buf.Read(hash)
if err != nil {
return
}
if b.TXID == nil {
b.TXID = primitives.NewZeroHash()
}
b.TXID.SetBytes(hash)
tmp := make([]byte, 0)
b.Index, tmp = primitives.DecodeVarInt(buf.Bytes())
b.NumEC, tmp = primitives.DecodeVarInt(tmp)
newData = tmp
return
}
func (b *IncreaseBalance) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("Error unmarshalling IncreaseBalance: %v", r)
}
}()
buf := primitives.NewBuffer(data)
hash := make([]byte, 32)
_, err = buf.Read(hash)
if err != nil {
return
}
b.ECPubKey = new(primitives.ByteSlice32)
copy(b.ECPubKey[:], hash)
_, err = buf.Read(hash)
if err != nil {
return
}
if b.TXID == nil {
b.TXID = primitives.NewZeroHash()
}
b.TXID.SetBytes(hash)
tmp := make([]byte, 0)
b.Index, tmp = primitives.DecodeVarInt(buf.DeepCopyBytes())
b.NumEC, tmp = primitives.DecodeVarInt(tmp)
newData = tmp
return
}
func (b *ABlockHeader) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("Error unmarshalling Admin Block Header: %v", r)
}
}()
newData = data
newData, err = b.GetAdminChainID().UnmarshalBinaryData(newData)
if err != nil {
return
}
b.PrevBackRefHash = new(primitives.Hash)
newData, err = b.PrevBackRefHash.UnmarshalBinaryData(newData)
if err != nil {
return
}
b.DBHeight, newData = binary.BigEndian.Uint32(newData[0:4]), newData[4:]
b.HeaderExpansionSize, newData = primitives.DecodeVarInt(newData)
b.HeaderExpansionArea, newData = newData[:b.HeaderExpansionSize], newData[b.HeaderExpansionSize:]
b.MessageCount, newData = binary.BigEndian.Uint32(newData[0:4]), newData[4:]
b.BodySize, newData = binary.BigEndian.Uint32(newData[0:4]), newData[4:]
return
}
func (e *ECBlockHeader) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("Error unmarshalling: %v", r)
}
}()
buf := primitives.NewBuffer(data)
hash := make([]byte, 32)
if _, err = buf.Read(hash); err != nil {
return
} else {
if fmt.Sprintf("%x", hash) != "000000000000000000000000000000000000000000000000000000000000000c" {
err = fmt.Errorf("Invalid ChainID - %x", hash)
return
}
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.BodyHash.SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.PrevHeaderHash.SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.PrevFullHash.SetBytes(hash)
}
if err = binary.Read(buf, binary.BigEndian, &e.DBHeight); err != nil {
return
}
// read the Header Expansion Area
hesize, tmp := primitives.DecodeVarInt(buf.DeepCopyBytes())
buf = primitives.NewBuffer(tmp)
e.HeaderExpansionArea = make([]byte, hesize)
if _, err = buf.Read(e.HeaderExpansionArea); err != nil {
return
}
if err = binary.Read(buf, binary.BigEndian, &e.ObjectCount); err != nil {
return
}
if err = binary.Read(buf, binary.BigEndian, &e.BodySize); err != nil {
return
}
newData = buf.DeepCopyBytes()
return
}
func (e *ECBlock) unmarshalHeaderBinaryData(data []byte) (newData []byte, err error) {
buf := primitives.NewBuffer(data)
hash := make([]byte, 32)
if _, err = buf.Read(hash); err != nil {
return
} else {
e.Header.GetECChainID().SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.Header.GetBodyHash().SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.Header.GetPrevHeaderHash().SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.Header.GetPrevFullHash().SetBytes(hash)
}
h := e.Header.GetDBHeight()
if err = binary.Read(buf, binary.BigEndian, &h); err != nil {
return
}
// read the Header Expansion Area
hesize, tmp := primitives.DecodeVarInt(buf.DeepCopyBytes())
buf = primitives.NewBuffer(tmp)
e.Header.SetHeaderExpansionArea(make([]byte, hesize))
if _, err = buf.Read(e.Header.GetHeaderExpansionArea()); err != nil {
return
}
oc := e.Header.GetObjectCount()
if err = binary.Read(buf, binary.BigEndian, &oc); err != nil {
return
}
sz := e.Header.GetBodySize()
if err = binary.Read(buf, binary.BigEndian, &sz); err != nil {
return
}
newData = buf.DeepCopyBytes()
return
}
func (t *TransAddress) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
if len(data) < 36 {
return nil, fmt.Errorf("Data source too short to UnmarshalBinary() an address: %d", len(data))
}
t.Amount, data = primitives.DecodeVarInt(data)
t.Address = new(Address)
data, err = t.Address.UnmarshalBinaryData(data)
return data, err
}
func (e *ECBlockHeader) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
buf := bytes.NewBuffer(data)
hash := make([]byte, 32)
if _, err = buf.Read(hash); err != nil {
return
} else {
e.ECChainID.SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.BodyHash.SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.PrevHeaderHash.SetBytes(hash)
}
if _, err = buf.Read(hash); err != nil {
return
} else {
e.PrevLedgerKeyMR.SetBytes(hash)
}
if err = binary.Read(buf, binary.BigEndian, &e.DBHeight); err != nil {
return
}
// read the Header Expansion Area
hesize, tmp := primitives.DecodeVarInt(buf.Bytes())
buf = bytes.NewBuffer(tmp)
e.HeaderExpansionArea = make([]byte, hesize)
if _, err = buf.Read(e.HeaderExpansionArea); err != nil {
return
}
if err = binary.Read(buf, binary.BigEndian, &e.ObjectCount); err != nil {
return
}
if err = binary.Read(buf, binary.BigEndian, &e.BodySize); err != nil {
return
}
newData = buf.Bytes()
return
}
// UnmarshalBinary assumes that the Binary is all good. We do error
// out if there isn't enough data, or the transaction is too large.
func (t *Transaction) UnmarshalBinaryData(data []byte) (newData []byte, err error) {
// To catch memory errors, I capture the panic and turn it into
// a reported error.
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("Error unmarshalling transaction: %v", r)
}
}()
v, data := primitives.DecodeVarInt(data)
if v != t.GetVersion() {
return nil, fmt.Errorf("Wrong Transaction Version encountered. Expected %v and found %v", t.GetVersion(), v)
}
hd, data := binary.BigEndian.Uint32(data[:]), data[4:]
ld, data := binary.BigEndian.Uint16(data[:]), data[2:]
t.MilliTimestamp = (uint64(hd) << 16) + uint64(ld)
numInputs := int(data[0])
data = data[1:]
numOutputs := int(data[0])
data = data[1:]
numOutECs := int(data[0])
data = data[1:]
t.Inputs = make([]interfaces.IInAddress, numInputs, numInputs)
t.Outputs = make([]interfaces.IOutAddress, numOutputs, numOutputs)
t.OutECs = make([]interfaces.IOutECAddress, numOutECs, numOutECs)
for i, _ := range t.Inputs {
t.Inputs[i] = new(InAddress)
data, err = t.Inputs[i].UnmarshalBinaryData(data)
if err != nil || t.Inputs[i] == nil {
return nil, err
}
}
for i, _ := range t.Outputs {
t.Outputs[i] = new(OutAddress)
data, err = t.Outputs[i].UnmarshalBinaryData(data)
if err != nil {
return nil, err
}
}
for i, _ := range t.OutECs {
t.OutECs[i] = new(OutECAddress)
data, err = t.OutECs[i].UnmarshalBinaryData(data)
if err != nil {
return nil, err
}
}
t.RCDs = make([]interfaces.IRCD, len(t.Inputs))
t.SigBlocks = make([]interfaces.ISignatureBlock, len(t.Inputs))
for i := 0; i < len(t.Inputs); i++ {
t.RCDs[i] = CreateRCD(data)
data, err = t.RCDs[i].UnmarshalBinaryData(data)
if err != nil {
return nil, err
}
t.SigBlocks[i] = new(SignatureBlock)
data, err = t.SigBlocks[i].UnmarshalBinaryData(data)
if err != nil {
return nil, err
}
}
return data, nil
}
// UnmarshalBinary assumes that the Binary is all good. We do error
// out if there isn't enough data, or the transaction is too large.
func (b *FBlock) UnmarshalBinaryData(data []byte) (newdata []byte, err error) {
// To catch memory errors, we capture the panic and turn it into
// a reported error.
defer func() {
return
if r := recover(); r != nil {
err = fmt.Errorf("Error unmarshalling transaction: %v", r)
}
}()
if bytes.Compare(data[:constants.ADDRESS_LENGTH], constants.FACTOID_CHAINID[:]) != 0 {
panic(fmt.Sprintf("error in: %x %x", data[:35], constants.FACTOID_CHAINID[:]))
return nil, fmt.Errorf("Block does not begin with the Factoid ChainID")
}
newdata = data[32:]
b.BodyMR = new(primitives.Hash)
newdata, err = b.BodyMR.UnmarshalBinaryData(newdata)
if err != nil {
return nil, err
}
b.PrevKeyMR = new(primitives.Hash)
newdata, err = b.PrevKeyMR.UnmarshalBinaryData(newdata)
if err != nil {
return nil, err
}
b.PrevLedgerKeyMR = new(primitives.Hash)
newdata, err = b.PrevLedgerKeyMR.UnmarshalBinaryData(newdata)
if err != nil {
return nil, err
}
b.ExchRate, newdata = binary.BigEndian.Uint64(newdata[0:8]), newdata[8:]
b.DBHeight, newdata = binary.BigEndian.Uint32(newdata[0:4]), newdata[4:]
skip, newdata := primitives.DecodeVarInt(newdata) // Skip the Expansion Header, if any, since
newdata = newdata[skip:] // we don't know what to do with it.
cnt, newdata := binary.BigEndian.Uint32(newdata[0:4]), newdata[4:]
newdata = newdata[4:] // Just skip the size... We don't really need it.
b.Transactions = make([]interfaces.ITransaction, cnt, cnt)
for i, _ := range b.endOfPeriod {
b.endOfPeriod[i] = 0
}
var periodMark = 0
for i := uint32(0); i < cnt; i++ {
for newdata[0] == constants.MARKER {
b.endOfPeriod[periodMark] = int(i)
newdata = newdata[1:]
periodMark++
}
trans := new(Transaction)
newdata, err = trans.UnmarshalBinaryData(newdata)
if err != nil {
return nil, fmt.Errorf("Failed to unmarshal a transaction in block.\n" + err.Error())
}
b.Transactions[i] = trans
}
for periodMark < len(b.endOfPeriod) {
newdata = newdata[1:]
b.endOfPeriod[periodMark] = int(cnt)
periodMark++
}
return newdata, nil
}
