示例#1
0
文件: channel.go 项目: mkl-/lnd
// Decode...
func (o *OpenChannel) Decode(b io.Reader, addrManager *waddrmgr.Manager) error {
	var scratch [8]byte

	if _, err := b.Read(o.TheirLNID[:]); err != nil {
		return err
	}
	if _, err := b.Read(o.ChanID[:]); err != nil {
		return err
	}

	if _, err := b.Read(scratch[:]); err != nil {
		return err
	}
	o.MinFeePerKb = btcutil.Amount(endian.Uint64(scratch[:]))

	// nonce + serPrivKey + mac
	var encryptedPriv [24 + 32 + 16]byte
	if _, err := b.Read(encryptedPriv[:]); err != nil {
		return err
	}
	decryptedPriv, err := addrManager.Decrypt(waddrmgr.CKTPrivate, encryptedPriv[:])
	if err != nil {
		return err
	}
	o.OurCommitKey, _ = btcec.PrivKeyFromBytes(btcec.S256(), decryptedPriv)

	var serPubKey [33]byte
	if _, err := b.Read(serPubKey[:]); err != nil {
		return err
	}
	o.TheirCommitKey, err = btcec.ParsePubKey(serPubKey[:], btcec.S256())
	if err != nil {
		return err
	}

	if _, err := b.Read(scratch[:]); err != nil {
		return err
	}
	o.Capacity = btcutil.Amount(endian.Uint64(scratch[:]))
	if _, err := b.Read(scratch[:]); err != nil {
		return err
	}
	o.OurBalance = btcutil.Amount(endian.Uint64(scratch[:]))
	if _, err := b.Read(scratch[:]); err != nil {
		return err
	}
	o.TheirBalance = btcutil.Amount(endian.Uint64(scratch[:]))

	o.TheirCommitTx = wire.NewMsgTx()
	if err := o.TheirCommitTx.Deserialize(b); err != nil {
		return err
	}
	o.OurCommitTx = wire.NewMsgTx()
	if err := o.OurCommitTx.Deserialize(b); err != nil {
		return err
	}

	o.FundingTx = wire.NewMsgTx()
	if err := o.FundingTx.Deserialize(b); err != nil {
		return err
	}

	if _, err := b.Read(encryptedPriv[:]); err != nil {
		return err
	}
	decryptedPriv, err = addrManager.Decrypt(waddrmgr.CKTPrivate, encryptedPriv[:])
	if err != nil {
		return err
	}
	o.MultiSigKey, _ = btcec.PrivKeyFromBytes(btcec.S256(), decryptedPriv)

	var redeemScript [71]byte
	if _, err := b.Read(redeemScript[:]); err != nil {
		return err
	}
	o.FundingRedeemScript = redeemScript[:]

	if _, err := b.Read(o.TheirCurrentRevocation[:]); err != nil {
		return err
	}

	var addr [34]byte
	if _, err := b.Read(addr[:]); err != nil {
		return err
	}
	o.OurDeliveryAddress, err = btcutil.DecodeAddress(string(addr[:]), ActiveNetParams)
	if err != nil {
		return err
	}

	if _, err := b.Read(addr[:]); err != nil {
		return err
	}
	o.TheirDeliveryAddress, err = btcutil.DecodeAddress(string(addr[:]), ActiveNetParams)
	if err != nil {
		return err
	}

	if err := binary.Read(b, endian, &o.CsvDelay); err != nil {
		return err
	}
	if err := binary.Read(b, endian, &o.NumUpdates); err != nil {
		return err
	}
	if err := binary.Read(b, endian, &o.TotalSatoshisSent); err != nil {
		return err
	}
	if err := binary.Read(b, endian, &o.TotalSatoshisReceived); err != nil {
		return err
	}

	var unix int64
	if err := binary.Read(b, endian, &unix); err != nil {
		return err
	}
	o.CreationTime = time.Unix(unix, 0)

	return nil
}