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server.go+peer: enable v2 functionality in peer code
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This adds the v2 software flag to the list of services btcd supports
and adds functionality to optionally use v2 transport if the peer
supports it.
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@Crypt-iQ
Crypt-iQ committed Oct 2, 2024
1 parent 2238900 commit 8097c4e
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Showing 4 changed files with 108 additions and 60 deletions.
11 changes: 8 additions & 3 deletions go.mod
View file
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ require (
github.com/btcsuite/btcd/btcec/v2 v2.3.4
github.com/btcsuite/btcd/btcutil v1.1.5
github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0
github.com/btcsuite/btcd/v2transport v1.0.0
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd
github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792
Expand All @@ -16,8 +17,8 @@ require (
github.com/jrick/logrotate v1.0.0
github.com/stretchr/testify v1.8.4
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7
golang.org/x/crypto v0.22.0
golang.org/x/sys v0.19.0
golang.org/x/crypto v0.25.0
golang.org/x/sys v0.22.0
)

require (
Expand All @@ -31,6 +32,10 @@ require (
gopkg.in/yaml.v3 v3.0.1 // indirect
)

replace github.com/btcsuite/btcd/btcec/v2 => ./btcec

replace github.com/btcsuite/btcd/v2transport => ./v2transport

// The retract statements below fixes an accidental push of the tags of a btcd
// fork.
retract (
Expand Down Expand Up @@ -63,4 +68,4 @@ retract (
v0.13.0-beta
)

go 1.17
go 1.23
51 changes: 6 additions & 45 deletions go.sum
View file
Original file line number Diff line number Diff line change
Expand Up @@ -3,15 +3,10 @@ github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBA
github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M=
github.com/btcsuite/btcd v0.23.5-0.20231215221805-96c9fd8078fd/go.mod h1:nm3Bko6zh6bWP60UxwoT5LzdGJsQJaPo6HjduXq9p6A=
github.com/btcsuite/btcd/btcec/v2 v2.1.0/go.mod h1:2VzYrv4Gm4apmbVVsSq5bqf1Ec8v56E48Vt0Y/umPgA=
github.com/btcsuite/btcd/btcec/v2 v2.1.3/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
github.com/btcsuite/btcd/btcec/v2 v2.3.4 h1:3EJjcN70HCu/mwqlUsGK8GcNVyLVxFDlWurTXGPFfiQ=
github.com/btcsuite/btcd/btcec/v2 v2.3.4/go.mod h1:zYzJ8etWJQIv1Ogk7OzpWjowwOdXY1W/17j2MW85J04=
github.com/btcsuite/btcd/btcutil v1.0.0/go.mod h1:Uoxwv0pqYWhD//tfTiipkxNfdhG9UrLwaeswfjfdF0A=
github.com/btcsuite/btcd/btcutil v1.1.0/go.mod h1:5OapHB7A2hBBWLm48mmw4MOHNJCcUBTwmWH/0Jn8VHE=
github.com/btcsuite/btcd/btcutil v1.1.5 h1:+wER79R5670vs/ZusMTF1yTcRYE5GUsFbdjdisflzM8=
github.com/btcsuite/btcd/btcutil v1.1.5/go.mod h1:PSZZ4UitpLBWzxGd5VGOrLnmOjtPP/a6HaFo12zMs00=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 h1:59Kx4K6lzOW5w6nFlA0v5+lk/6sjybR934QNHSJZPTQ=
github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
Expand Down Expand Up @@ -88,33 +83,19 @@ github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcU
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 h1:epCh84lMvA70Z7CTTCmYQn2CKbY8j86K7/FAIr141uY=
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
Expand All @@ -124,34 +105,14 @@ golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200814200057-3d37ad5750ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
Expand Down
103 changes: 92 additions & 11 deletions peer/peer.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (
"github.com/btcsuite/btcd/blockchain"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/btcsuite/btcd/v2transport"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/go-socks/socks"
"github.com/davecgh/go-spew/spew"
Expand Down Expand Up @@ -289,6 +290,10 @@ type Config struct {
// scenarios where the stall behavior isn't important to the system
// under test.
DisableStallHandler bool

// UsingV2Conn is defined if and only if we accept and attempt to make
// v2 connections.
UsingV2Conn bool
}

// minUint32 is a helper function to return the minimum of two uint32s.
Expand Down Expand Up @@ -463,6 +468,8 @@ type Peer struct {
witnessEnabled bool
sendAddrV2 bool

V2Transport *v2transport.Peer

wireEncoding wire.MessageEncoding

knownInventory lru.Cache
Expand Down Expand Up @@ -1067,8 +1074,32 @@ func (p *Peer) handlePongMsg(msg *wire.MsgPong) {

// readMessage reads the next bitcoin message from the peer with logging.
func (p *Peer) readMessage(encoding wire.MessageEncoding) (wire.Message, []byte, error) {
n, msg, buf, err := wire.ReadMessageWithEncodingN(p.conn,
p.ProtocolVersion(), p.cfg.ChainParams.Net, encoding)
var (
n int
msg wire.Message
buf []byte
plaintext []byte
err error
)

if p.cfg.UsingV2Conn {
plaintext, err = p.V2Transport.V2ReceivePacket(nil)
if err != nil {
fmt.Printf("failed to read packet: %v\n", err)
return nil, nil, err
}

msg, buf, err = wire.ReadV2MessageN(
plaintext, p.ProtocolVersion(), encoding,
)
n = len(plaintext)
atomic.AddUint64(&p.bytesReceived, uint64(n))
} else {
n, msg, buf, err = wire.ReadMessageWithEncodingN(
p.conn, p.ProtocolVersion(), p.cfg.ChainParams.Net, encoding,
)
}

atomic.AddUint64(&p.bytesReceived, uint64(n))
if p.cfg.Listeners.OnRead != nil {
p.cfg.Listeners.OnRead(p, n, msg, err)
Expand Down Expand Up @@ -1105,6 +1136,25 @@ func (p *Peer) writeMessage(msg wire.Message, enc wire.MessageEncoding) error {
return nil
}

var (
buf bytes.Buffer
n int
err error
)

if p.cfg.UsingV2Conn {
_, err = wire.WriteV2MessageN(&buf, msg, p.ProtocolVersion(), enc)
if err != nil {
return err
}

_, n, err = p.V2Transport.V2EncPacket(buf.Bytes(), nil, false)
} else {
n, err = wire.WriteMessageWithEncodingN(
p.conn, msg, p.ProtocolVersion(), p.cfg.ChainParams.Net, enc,
)
}

// Use closures to log expensive operations so they are only run when
// the logging level requires it.
log.Debugf("%v", newLogClosure(func() string {
Expand All @@ -1120,18 +1170,9 @@ func (p *Peer) writeMessage(msg wire.Message, enc wire.MessageEncoding) error {
return spew.Sdump(msg)
}))
log.Tracef("%v", newLogClosure(func() string {
var buf bytes.Buffer
_, err := wire.WriteMessageWithEncodingN(&buf, msg, p.ProtocolVersion(),
p.cfg.ChainParams.Net, enc)
if err != nil {
return err.Error()
}
return spew.Sdump(buf.Bytes())
}))

// Write the message to the peer.
n, err := wire.WriteMessageWithEncodingN(p.conn, msg,
p.ProtocolVersion(), p.cfg.ChainParams.Net, enc)
atomic.AddUint64(&p.bytesSent, uint64(n))
if p.cfg.Listeners.OnWrite != nil {
p.cfg.Listeners.OnWrite(p, n, msg, err)
Expand Down Expand Up @@ -2215,6 +2256,21 @@ func (p *Peer) waitToFinishNegotiation(pver uint32) error {
// that btcd does not implement but bitcoind does.
// 6. If remote peer sent sendaddrv2 above, wait until receipt of verack.
func (p *Peer) negotiateInboundProtocol() error {
if p.cfg.UsingV2Conn {
// TODO: Change garbageLen to be random.
err := p.V2Transport.RespondV2Handshake(1, p.cfg.ChainParams.Net)
if err != v2transport.ErrUseV1Protocol {
// This is potentially a v2 connection. V1 connections can use the
// legacy negotiation code below immediately.
err = p.V2Transport.CompleteHandshake(
false, nil, p.cfg.ChainParams.Net,
)
if err != nil {
return err
}
}
}

if err := p.readRemoteVersionMsg(); err != nil {
return err
}
Expand Down Expand Up @@ -2253,6 +2309,19 @@ func (p *Peer) negotiateInboundProtocol() error {
// in the inbound case.
// 6. If sendaddrv2 was received, wait for receipt of verack.
func (p *Peer) negotiateOutboundProtocol() error {
if p.cfg.UsingV2Conn {
// TODO: random value for garbage len?
if err := p.V2Transport.InitiateV2Handshake(1); err != nil {
return err
}

if err := p.V2Transport.CompleteHandshake(
true, nil, p.cfg.ChainParams.Net,
); err != nil {
return err
}
}

if err := p.writeLocalVersionMsg(); err != nil {
return err
}
Expand Down Expand Up @@ -2327,6 +2396,10 @@ func (p *Peer) AssociateConnection(conn net.Conn) {
p.conn = conn
p.timeConnected = time.Now()

if p.cfg.UsingV2Conn {
p.V2Transport.UseReadWriter(conn)
}

if p.inbound {
p.addr = p.conn.RemoteAddr().String()

Expand Down Expand Up @@ -2401,6 +2474,14 @@ func newPeerBase(origCfg *Config, inbound bool) *Peer {
services: cfg.Services,
protocolVersion: cfg.ProtocolVersion,
}

if p.cfg.UsingV2Conn && p.Services()&wire.SFNodeP2PV2 == wire.SFNodeP2PV2 {
p.V2Transport = v2transport.NewPeer()
} else {
// TODO: Hack, change.
p.cfg.UsingV2Conn = false
}

return &p
}

Expand Down
3 changes: 2 additions & 1 deletion server.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ const (
// defaultServices describes the default services that are supported by
// the server.
defaultServices = wire.SFNodeNetwork | wire.SFNodeNetworkLimited |
wire.SFNodeBloom | wire.SFNodeWitness | wire.SFNodeCF
wire.SFNodeBloom | wire.SFNodeWitness | wire.SFNodeCF | wire.SFNodeP2PV2

// defaultRequiredServices describes the default services that are
// required to be supported by outbound peers.
Expand Down Expand Up @@ -2164,6 +2164,7 @@ func newPeerConfig(sp *serverPeer) *peer.Config {
ProtocolVersion: peer.MaxProtocolVersion,
TrickleInterval: cfg.TrickleInterval,
DisableStallHandler: cfg.DisableStallHandler,
UsingV2Conn: true,
}
}

Expand Down

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