// Returns the data size of serialized Tx
func (t *Tx) ByteSize() int {
opLen := 32 /*OutPoint.Hash*/ + 4 /*OutPoint.Index*/
totalLen := 4 // Version
totalLen += klib.VarUint(len(t.TxIns)).ByteSize()
for _, txin := range t.TxIns {
totalLen += opLen
totalLen += klib.VarString(txin.SigScript).ByteSize()
totalLen += 4 // Sequence
}
totalLen += klib.VarUint(len(t.TxOuts)).ByteSize()
for _, txout := range t.TxOuts {
totalLen += 8 // Value
totalLen += klib.VarString(txout.PKScript).ByteSize()
}
totalLen += 4 // LockTime
return totalLen
}
func (d *collisionData) toBytes() []byte {
s := d.toSlice()
var p bytes.Buffer
for _, val := range s {
p.Write(klib.VarString(val).Bytes())
}
return p.Bytes()
}
// Returns the serialized byte of the Tx
func (t *Tx) Bytes() []byte {
p := new(bytes.Buffer)
binary.Write(p, binary.LittleEndian, t.Version)
p.Write(klib.VarUint(len(t.TxIns)).Bytes())
for _, txin := range t.TxIns {
binary.Write(p, binary.LittleEndian, txin.PreviousOutput)
p.Write(klib.VarString(txin.SigScript).Bytes())
binary.Write(p, binary.LittleEndian, txin.Sequence)
}
p.Write(klib.VarUint(len(t.TxOuts)).Bytes())
for _, txout := range t.TxOuts {
binary.Write(p, binary.LittleEndian, txout.Value)
p.Write(klib.VarString(txout.PKScript).Bytes())
}
binary.Write(p, binary.LittleEndian, t.LockTime)
return p.Bytes()
}
func NewLocalVersionMsg(addrRecv *PeerInfo) *Message_version {
addrFrom := NewPeerInfo() // We don't accept incoming connections
return &Message_version{
kaiju.ProtocolVersion,
kaiju.NodeServices,
time.Now().Unix(),
addrRecv,
addrFrom,
kaiju.NounceInVersionMsg,
klib.VarString(kaiju.UserAgent),
1,
0,
}
}