Exemplo n.º 1
0
func (l *LibbitcoinClient) UnsubscribeAddress(address btc.Address) {
	l.lock.Lock()
	_, ok := l.subscriptions[address.String()]
	if ok {
		delete(l.subscriptions, address.String())
	}
	l.lock.Unlock()
}
Exemplo n.º 2
0
func (l *LibbitcoinClient) RenewSubscription(address btc.Address, callback func(interface{})) {
	req := []byte{}
	req = append(req, byte(0))
	req = append(req, byte(160))
	req = append(req, address.ScriptAddress()...)
	go l.SendCommand("address.renew", req, nil)
	l.lock.Lock()
	l.subscriptions[address.String()] = subscription{
		expiration: time.Now().Add(24 * time.Hour),
		callback:   callback,
	}
	l.lock.Unlock()
}
Exemplo n.º 3
0
func (l *LibbitcoinClient) Parse(command string, data []byte, callback func(interface{}, error)) {
	switch command {
	case "address.fetch_history2":
		numRows := (len(data) - 4) / 49
		buff := bytes.NewBuffer(data)
		err := ParseError(buff.Next(4))
		rows := []FetchHistory2Resp{}
		for i := 0; i < numRows; i++ {
			r := FetchHistory2Resp{}
			spendByte := int(buff.Next(1)[0])
			var spendBool bool
			if spendByte == 0 {
				spendBool = false
			} else {
				spendBool = true
			}
			r.IsSpend = spendBool
			lehash := buff.Next(32)
			sh, _ := wire.NewShaHash(lehash)
			r.TxHash = sh.String()
			indexBytes := buff.Next(4)
			r.Index = binary.LittleEndian.Uint32(indexBytes)
			heightBytes := buff.Next(4)
			r.Height = binary.LittleEndian.Uint32(heightBytes)
			valueBytes := buff.Next(8)
			r.Value = binary.LittleEndian.Uint64(valueBytes)
			rows = append(rows, r)
		}
		callback(rows, err)
	case "blockchain.fetch_last_height":
		height := binary.LittleEndian.Uint32(data[4:])
		callback(height, ParseError(data[:4]))
	case "blockchain.fetch_transaction":
		txn, _ := btc.NewTxFromBytes(data[4:])
		callback(txn, ParseError(data[:4]))
	case "transaction_pool.fetch_transaction":
		txn, _ := btc.NewTxFromBytes(data[4:])
		callback(txn, ParseError(data[:4]))
	case "address.update":
		buff := bytes.NewBuffer(data)
		addressVersion := buff.Next(1)[0]
		addressHash160 := buff.Next(20)
		height := buff.Next(4)
		block := buff.Next(32)
		tx := buff.Bytes()

		var addr btc.Address
		if addressVersion == byte(111) || addressVersion == byte(0) {
			a, _ := btc.NewAddressPubKeyHash(addressHash160, l.Params)
			addr = a
		} else if addressVersion == byte(5) || addressVersion == byte(196) {
			a, _ := btc.NewAddressScriptHashFromHash(addressHash160, l.Params)
			addr = a
		}
		bl, _ := wire.NewShaHash(block)
		txn, _ := btc.NewTxFromBytes(tx)

		resp := SubscribeResp{
			Address: addr.String(),
			Height:  binary.LittleEndian.Uint32(height),
			Block:   bl.String(),
			Tx:      *txn,
		}
		l.lock.Lock()
		l.subscriptions[addr.String()].callback(resp)
		l.lock.Unlock()
	case "protocol.broadcast_transaction":
		callback(nil, ParseError(data[:4]))
	case "transaction_pool.validate":
		b := data[4:5]
		success, _ := strconv.ParseBool(string(b))
		callback(success, ParseError(data[:4]))
	}
}