13035292482

Committed 29 Jan 2025 03:59PM UTC coverage: 49.3% (-9.5%) from 58.777%

Build # 13035292482

Build Type

Pull #9456

github

Committed by

mohamedawnallah

Commit Message

docs: update release-notes-0.19.0.md

In this commit, we warn users about the removal
of RPCs `SendToRoute`, `SendToRouteSync`, `SendPayment`,
and `SendPaymentSync` in the next release 0.20.

Pull Request Pull Request #9456: lnrpc+docs: deprecate warning `SendToRoute`, `SendToRouteSync`, `SendPayment`, and `SendPaymentSync` in Release 0.19

Run Details

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0.0

/channeldb/migration29/codec.go

package migration29

import (
        "encoding/binary"
        "encoding/hex"
        "io"

        "github.com/btcsuite/btcd/wire"
)

var (
        byteOrder = binary.BigEndian
)

// ChannelID is a series of 32-bytes that uniquely identifies all channels
// within the network. The ChannelID is computed using the outpoint of the
// funding transaction (the txid, and output index). Given a funding output the
// ChannelID can be calculated by XOR'ing the big-endian serialization of the
// txid and the big-endian serialization of the output index, truncated to
// 2 bytes.
type ChannelID [32]byte

// String returns the string representation of the ChannelID. This is just the
// hex string encoding of the ChannelID itself.
func (c ChannelID) String() string {
        return hex.EncodeToString(c[:])
}

// NewChanIDFromOutPoint converts a target OutPoint into a ChannelID that is
// usable within the network. In order to convert the OutPoint into a ChannelID,
// we XOR the lower 2-bytes of the txid within the OutPoint with the big-endian
// serialization of the Index of the OutPoint, truncated to 2-bytes.
func NewChanIDFromOutPoint(op *wire.OutPoint) ChannelID {
        // First we'll copy the txid of the outpoint into our channel ID slice.
        var cid ChannelID
        copy(cid[:], op.Hash[:])

        // With the txid copied over, we'll now XOR the lower 2-bytes of the
        // partial channelID with big-endian serialization of output index.
        xorTxid(&cid, uint16(op.Index))

        return cid
}

// xorTxid performs the transformation needed to transform an OutPoint into a
// ChannelID. To do this, we expect the cid parameter to contain the txid
// unaltered and the outputIndex to be the output index
func xorTxid(cid *ChannelID, outputIndex uint16) {
        var buf [2]byte
        binary.BigEndian.PutUint16(buf[:], outputIndex)

        cid[30] ^= buf[0]
        cid[31] ^= buf[1]
}

// readOutpoint reads an outpoint from the passed reader.
func readOutpoint(r io.Reader, o *wire.OutPoint) error {
        if _, err := io.ReadFull(r, o.Hash[:]); err != nil {
                return err
        }
        if err := binary.Read(r, byteOrder, &o.Index); err != nil {
                return err
        }

        return nil
}

1	package migration29
2
3	import (
4	"encoding/binary"
5	"encoding/hex"
6	"io"
7
8	"github.com/btcsuite/btcd/wire"
9	)
10
11	var (
12	byteOrder = binary.BigEndian
13	)
14
15	// ChannelID is a series of 32-bytes that uniquely identifies all channels
16	// within the network. The ChannelID is computed using the outpoint of the
17	// funding transaction (the txid, and output index). Given a funding output the
18	// ChannelID can be calculated by XOR'ing the big-endian serialization of the
19	// txid and the big-endian serialization of the output index, truncated to
20	// 2 bytes.
21	type ChannelID [32]byte
22
23	// String returns the string representation of the ChannelID. This is just the
24	// hex string encoding of the ChannelID itself.
25	func (c ChannelID) String() string {	×
26	return hex.EncodeToString(c[:])	×
27	}	×
28
29	// NewChanIDFromOutPoint converts a target OutPoint into a ChannelID that is
30	// usable within the network. In order to convert the OutPoint into a ChannelID,
31	// we XOR the lower 2-bytes of the txid within the OutPoint with the big-endian
32	// serialization of the Index of the OutPoint, truncated to 2-bytes.
33	func NewChanIDFromOutPoint(op *wire.OutPoint) ChannelID {	×
34	// First we'll copy the txid of the outpoint into our channel ID slice.	×
35	var cid ChannelID	×
36	copy(cid[:], op.Hash[:])	×
37		×
38	// With the txid copied over, we'll now XOR the lower 2-bytes of the	×
39	// partial channelID with big-endian serialization of output index.	×
40	xorTxid(&cid, uint16(op.Index))	×
41		×
42	return cid	×
43	}	×
44
45	// xorTxid performs the transformation needed to transform an OutPoint into a
46	// ChannelID. To do this, we expect the cid parameter to contain the txid
47	// unaltered and the outputIndex to be the output index
48	func xorTxid(cid *ChannelID, outputIndex uint16) {	×
49	var buf [2]byte	×
50	binary.BigEndian.PutUint16(buf[:], outputIndex)	×
51		×
52	cid[30] ^= buf[0]	×
53	cid[31] ^= buf[1]	×
54	}	×
55
56	// readOutpoint reads an outpoint from the passed reader.
57	func readOutpoint(r io.Reader, o *wire.OutPoint) error {	×
58	if _, err := io.ReadFull(r, o.Hash[:]); err != nil {	×
59	return err	×
60	}	×
61	if err := binary.Read(r, byteOrder, &o.Index); err != nil {	×
62	return err	×
63	}	×
64
65	return nil	×
66	}

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