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Release 2.2.4

This commit is contained in:
Juan Pablo Civile 2023-02-20 16:57:43 -03:00
parent ed2c88afac
commit 72f9f69035
8 changed files with 177 additions and 97 deletions
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21
electrum/client.go
View File

@ -36,6 +36,7 @@ type Client struct {
nextRequestID int nextRequestID int
conn net.Conn conn net.Conn
log *utils.Logger log *utils.Logger
requireTls bool
} }
// Request models the structure of all Electrum protocol requests. // Request models the structure of all Electrum protocol requests.
@ -110,9 +111,10 @@ type ServerFeatures struct {
type Param = interface{} type Param = interface{}
// NewClient creates an initialized Client instance. // NewClient creates an initialized Client instance.
func NewClient() *Client { func NewClient(requireTls bool) *Client {
return &Client{ return &Client{
log: utils.NewLogger(defaultLoggerTag), log: utils.NewLogger(defaultLoggerTag),
requireTls: requireTls,
} }
} }
@ -334,6 +336,9 @@ func (c *Client) ListUnspentBatch(indexHashes []string) ([][]UnspentRef, error)
} }
func (c *Client) establishConnection() error { func (c *Client) establishConnection() error {
// We first try to connect over TCP+TLS
// If we fail and requireTls is false, we try over TCP
// TODO: check if insecure is necessary // TODO: check if insecure is necessary
config := &tls.Config{ config := &tls.Config{
InsecureSkipVerify: true, InsecureSkipVerify: true,
@ -343,12 +348,22 @@ func (c *Client) establishConnection() error {
Timeout: connectionTimeout, Timeout: connectionTimeout,
} }
conn, err := tls.DialWithDialer(dialer, "tcp", c.Server, config) tlsConn, err := tls.DialWithDialer(dialer, "tcp", c.Server, config)
if err == nil {
c.conn = tlsConn
return nil
}
if c.requireTls {
return err
}
conn, err := net.DialTimeout("tcp", c.Server, connectionTimeout)
if err != nil { if err != nil {
return err return err
} }
c.conn = conn c.conn = conn
return nil return nil
} }

4
electrum/pool.go
View File

@ -7,11 +7,11 @@ type Pool struct {
} }
// NewPool creates an initialized Pool with a `size` number of clients. // NewPool creates an initialized Pool with a `size` number of clients.
func NewPool(size int) *Pool { func NewPool(size int, requireTls bool) *Pool {
nextClient := make(chan *Client, size) nextClient := make(chan *Client, size)
for i := 0; i < size; i++ { for i := 0; i < size; i++ {
nextClient <- NewClient() nextClient <- NewClient(requireTls)
} }
return &Pool{nextClient} return &Pool{nextClient}

143
electrum/servers.go
View File

@ -5,17 +5,21 @@ import "sync/atomic"
// ServerProvider manages a rotating server list, from which callers can pull server addresses. // ServerProvider manages a rotating server list, from which callers can pull server addresses.
type ServerProvider struct { type ServerProvider struct {
nextIndex int32 nextIndex int32
servers []string
} }
// NewServerProvider returns an initialized ServerProvider. // NewServerProvider returns an initialized ServerProvider.
func NewServerProvider() *ServerProvider { func NewServerProvider(servers []string) *ServerProvider {
return &ServerProvider{-1} return &ServerProvider{
nextIndex: -1,
servers: servers,
}
} }
// NextServer returns an address from the rotating list. It's thread-safe. // NextServer returns an address from the rotating list. It's thread-safe.
func (p *ServerProvider) NextServer() string { func (p *ServerProvider) NextServer() string {
index := int(atomic.AddInt32(&p.nextIndex, 1)) index := int(atomic.AddInt32(&p.nextIndex, 1))
return PublicServers[index%len(PublicServers)] return p.servers[index%len(p.servers)]
} }
// PublicServers list. // PublicServers list.
@ -29,72 +33,73 @@ func (p *ServerProvider) NextServer() string {
// See `cmd/survey/main.go` // See `cmd/survey/main.go`
var PublicServers = []string{ var PublicServers = []string{
// Fast servers with batching // Fast servers with batching
"blackie.c3-soft.com:57002", // impl: Fulcrum 1.6.0, batching: true, ttc: 0.72, speed: 97, from: fortress.qtornado.com:443 "electrum.coinext.com.br:50002", // impl: ElectrumX 1.14.0, batching: true, ttc: 0.15, speed: 113, from:
"fullnode.titanconnect.ca:50002", // impl: Fulcrum 1.6.0, batching: true, ttc: 0.66, speed: 86, from: fortress.qtornado.com:443 "fulcrum.sethforprivacy.com:50002", // impl: Fulcrum 1.9.0, batching: true, ttc: 0.55, speed: 96, from:
"de.poiuty.com:50002", // impl: Fulcrum 1.6.0, batching: true, ttc: 0.76, speed: 78, from: fortress.qtornado.com:443 "mainnet.foundationdevices.com:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.54, speed: 88, from:
"2ex.digitaleveryware.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.68, speed: 68, from: fortress.qtornado.com:443 "btc.lastingcoin.net:50002", // impl: Fulcrum 1.7.0, batching: true, ttc: 0.74, speed: 73, from:
"fortress.qtornado.com:443", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.77, speed: 67, from: "vmd71287.contaboserver.net:50002", // impl: Fulcrum 1.9.0, batching: true, ttc: 0.60, speed: 70, from:
"hodlers.beer:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.74, speed: 64, from: fortress.qtornado.com:443 "de.poiuty.com:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.87, speed: 70, from:
"f.keff.org:50002", // impl: Fulcrum 1.6.0, batching: true, ttc: 0.76, speed: 60, from: fortress.qtornado.com:443 "electrum.jochen-hoenicke.de:50006", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.83, speed: 69, from:
"e2.keff.org:50002", // impl: Fulcrum 1.6.0, batching: true, ttc: 0.75, speed: 58, from: "btc.cr.ypto.tech:50002", // impl: Fulcrum 1.9.0, batching: true, ttc: 0.81, speed: 65, from:
"electrum.stippy.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.75, speed: 56, from: fortress.qtornado.com:443 "e.keff.org:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.82, speed: 65, from:
"electrum.privateservers.network:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.83, speed: 52, from: fortress.qtornado.com:443 "vmd104014.contaboserver.net:50002", // impl: Fulcrum 1.9.0, batching: true, ttc: 0.58, speed: 64, from:
"fulcrum.grey.pw:51002", // impl: Fulcrum 1.6.0, batching: true, ttc: 0.79, speed: 49, from: fortress.qtornado.com:443 "e2.keff.org:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.83, speed: 64, from:
"btc.electroncash.dk:60002", // impl: Fulcrum 1.6.0, batching: true, ttc: 0.79, speed: 49, from: fortress.qtornado.com:443 "fulcrum.grey.pw:51002", // impl: Fulcrum 1.9.0, batching: true, ttc: 0.81, speed: 63, from:
"node.degga.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.59, speed: 46, from: fortress.qtornado.com:443 "fortress.qtornado.com:443", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.84, speed: 62, from:
"e.keff.org:50002", // impl: ElectrumX 1.10.0, batching: true, ttc: 0.76, speed: 45, from: "f.keff.org:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.89, speed: 62, from:
"bitcoin.aranguren.org:50002", // impl: Fulcrum 1.6.0, batching: true, ttc: 1.25, speed: 41, from: "2ex.digitaleveryware.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.71, speed: 61, from:
"electrum.helali.me:50002", // impl: Fulcrum 1.6.0, batching: true, ttc: 1.20, speed: 38, from: fortress.qtornado.com:443 "electrum.petrkr.net:50002", // impl: Fulcrum 1.9.0, batching: true, ttc: 0.84, speed: 58, from:
"node1.btccuracao.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.79, speed: 33, from: fortress.qtornado.com:443 "electrum.stippy.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.80, speed: 57, from:
"ASSUREDLY.not.fyi:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.66, speed: 20, from: electrumx.erbium.eu:50002 "electrum0.snel.it:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.80, speed: 56, from:
"assuredly.not.fyi:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.74, speed: 20, from: fortress.qtornado.com:443 "ru.poiuty.com:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.99, speed: 56, from:
"electrum.privateservers.network:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.85, speed: 49, from:
"btc.electroncash.dk:60002", // impl: Fulcrum 1.9.0, batching: true, ttc: 0.92, speed: 48, from:
"bitcoin.aranguren.org:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 1.19, speed: 48, from:
"electrum.bitcoinserver.nl:50514", // impl: Fulcrum 1.8.1, batching: true, ttc: 0.85, speed: 44, from:
"btc.prompt.cash:61002", // impl: Fulcrum 1.8.1, batching: true, ttc: 1.22, speed: 44, from:
"fulc.bot.nu:50002", // impl: Fulcrum 1.7.0, batching: true, ttc: 1.04, speed: 35, from:
"bolt.schulzemic.net:50002", // impl: Fulcrum 1.8.2, batching: true, ttc: 0.96, speed: 33, from:
"node1.btccuracao.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.90, speed: 25, from:
// Other servers // Other servers
"smmalis37.ddns.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.56, speed: 19, from: fortress.qtornado.com:443 "xtrum.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.91, speed: 19, from: fulcrum.sethforprivacy.com:50002
"electrumx.papabyte.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.95, speed: 19, from: fortress.qtornado.com:443 "electrum.bitaroo.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.04, speed: 19, from:
"electrum.bitaroo.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.98, speed: 19, from: fortress.qtornado.com:443 "btce.iiiiiii.biz:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.07, speed: 19, from: electrum.coinext.com.br:50002
"electrum.exan.tech:443", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.08, speed: 19, from: fortress.qtornado.com:443 "electrum.emzy.de:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.17, speed: 19, from:
"electrum-fulcrum.toggen.net:50002", // impl: Fulcrum 1.6.0, batching: true, ttc: 1.47, speed: 16, from: fortress.qtornado.com:443 "alviss.coinjoined.com:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 1.15, speed: 17, from:
"vmd84592.contaboserver.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.79, speed: 14, from: fortress.qtornado.com:443 "2AZZARITA.hopto.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.81, speed: 16, from: electrum.coinext.com.br:50002
"gd42.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.50, speed: 12, from: fortress.qtornado.com:443 "vmd104012.contaboserver.net:50002", // impl: Fulcrum 1.9.0, batching: true, ttc: 1.25, speed: 16, from:
"vmd63185.contaboserver.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.75, speed: 12, from: fortress.qtornado.com:443 "electrum.bitcoinlizard.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 4.99, speed: 14, from:
"alfa.cryptotrek.online:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.75, speed: 12, from: fortress.qtornado.com:443 "btc.ocf.sh:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.19, speed: 12, from:
"electrumx.ultracloud.tk:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.76, speed: 12, from: fortress.qtornado.com:443 "bitcoins.sk:56002", // impl: ElectrumX 1.14.0, batching: true, ttc: 0.80, speed: 11, from:
"electrum.brainshome.de:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.89, speed: 12, from: fortress.qtornado.com:443 "electrum-btc.leblancnet.us:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.04, speed: 11, from:
"ragtor.duckdns.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.91, speed: 12, from: bitcoin.aranguren.org:50002 "helicarrier.bauerj.eu:50002", // impl: ElectrumX 1.10.0, batching: true, ttc: 0.96, speed: 10, from:
"94.23.247.135:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 6.80, speed: 12, from: fortress.qtornado.com:443 "electrum.neocrypto.io:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.69, speed: 7, from:
"eai.coincited.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.12, speed: 11, from: electrumx.erbium.eu:50002 "caleb.vegas:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.71, speed: 7, from:
"142.93.6.38:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.56, speed: 11, from: fortress.qtornado.com:443 "smmalis37.ddns.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.77, speed: 7, from:
"157.245.172.236:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.62, speed: 11, from: fortress.qtornado.com:443 "2azzarita.hopto.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.78, speed: 7, from: fulcrum.sethforprivacy.com:50002
"electrum.kendigisland.xyz:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.68, speed: 11, from: fortress.qtornado.com:443 "electrum.kendigisland.xyz:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.79, speed: 7, from:
"btc.lastingcoin.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.74, speed: 11, from: fortress.qtornado.com:443 "electrum.hsmiths.com:50002", // impl: ElectrumX 1.10.0, batching: true, ttc: 0.90, speed: 7, from:
"xtrum.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.75, speed: 11, from: electrumx.erbium.eu:50002 "vmd63185.contaboserver.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.92, speed: 7, from:
"blkhub.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.76, speed: 11, from: fortress.qtornado.com:443 "blkhub.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.94, speed: 7, from:
"electrumx.erbium.eu:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.78, speed: 11, from: "electrum.mmitech.info:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.95, speed: 7, from:
"185.64.116.15:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.79, speed: 11, from: bitcoin.aranguren.org:50002 "elx.bitske.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.17, speed: 7, from:
"188.165.206.215:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.81, speed: 11, from: fortress.qtornado.com:443 "bitcoin.lu.ke:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.21, speed: 7, from:
"ex03.axalgo.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.92, speed: 11, from: fortress.qtornado.com:443 "ex05.axalgo.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.21, speed: 7, from:
"electrum.bitcoinlizard.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.98, speed: 11, from: fortress.qtornado.com:443 "walle.dedyn.io:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.23, speed: 7, from:
"btce.iiiiiii.biz:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.02, speed: 11, from: fortress.qtornado.com:443 "eai.coincited.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.34, speed: 6, from:
"btc.ocf.sh:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.15, speed: 11, from: fortress.qtornado.com:443 "2electrumx.hopto.me:56022", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.93, speed: 6, from:
"68.183.188.105:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.36, speed: 11, from: fortress.qtornado.com:443 "hodlers.beer:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.03, speed: 6, from:
"vmd71287.contaboserver.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.60, speed: 10, from: fortress.qtornado.com:443 "kareoke.qoppa.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.13, speed: 6, from:
"2electrumx.hopto.me:56022", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.89, speed: 10, from: fortress.qtornado.com:443 "ASSUREDLY.not.fyi:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.85, speed: 4, from:
"electrum.emzy.de:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.15, speed: 10, from: "electrumx.alexridevski.net:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.87, speed: 4, from:
"electrumx.electricnewyear.net:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.66, speed: 9, from: "assuredly.not.fyi:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.90, speed: 4, from:
"walle.dedyn.io:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.76, speed: 8, from: fortress.qtornado.com:443 "ragtor.duckdns.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.07, speed: 4, from:
"caleb.vegas:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.80, speed: 8, from: fortress.qtornado.com:443 "surely.not.fyi:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.20, speed: 4, from:
"electrum.neocrypto.io:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.69, speed: 7, from: fortress.qtornado.com:443 "btc.electrum.bitbitnet.net:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.71, speed: 3, from:
"guichet.centure.cc:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.71, speed: 7, from: fortress.qtornado.com:443 "gods-of-rock.screaminglemur.net:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.92, speed: 3, from:
"167.172.42.31:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.75, speed: 7, from: fortress.qtornado.com:443 "SURELY.not.fyi:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.35, speed: 3, from:
"2AZZARITA.hopto.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.77, speed: 7, from: fortress.qtornado.com:443 "horsey.cryptocowboys.net:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.61, speed: 2, from:
"jonas.reptiles.se:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.95, speed: 7, from: fortress.qtornado.com:443 "electrumx-btc.cryptonermal.net:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.83, speed: 1, from:
"167.172.226.175:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.61, speed: 6, from: fortress.qtornado.com:443 "electrum.coineuskal.com:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 1.73, speed: 0, from: electrum.coinext.com.br:50002
"electrum-btc.leblancnet.us:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 0.64, speed: 6, from: fortress.qtornado.com:443
"104.248.139.211:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 0.90, speed: 6, from: fortress.qtornado.com:443
"elx.bitske.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.01, speed: 6, from: fortress.qtornado.com:443
"kareoke.qoppa.org:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.18, speed: 6, from: electrumx.erbium.eu:50002
"ex.btcmp.com:50002", // impl: ElectrumX 1.16.0, batching: true, ttc: 1.12, speed: 5, from: fortress.qtornado.com:443
"bitcoins.sk:56002", // impl: ElectrumX 1.14.0, batching: true, ttc: 0.77, speed: 3, from: fortress.qtornado.com:443
"73.92.198.54:50002", // impl: ElectrumX 1.15.0, batching: true, ttc: 5.57, speed: 0, from: fortress.qtornado.com:443
} }

81
main.go
View File

@ -14,19 +14,31 @@ import (
"github.com/muun/libwallet" "github.com/muun/libwallet"
"github.com/muun/libwallet/btcsuitew/btcutilw" "github.com/muun/libwallet/btcsuitew/btcutilw"
"github.com/muun/libwallet/emergencykit" "github.com/muun/libwallet/emergencykit"
"github.com/muun/recovery/electrum"
"github.com/muun/recovery/scanner" "github.com/muun/recovery/scanner"
"github.com/muun/recovery/utils" "github.com/muun/recovery/utils"
) )
const electrumPoolSize = 6
var debugOutputStream = bytes.NewBuffer(nil) var debugOutputStream = bytes.NewBuffer(nil)
type config struct {
generateContacts bool
providedElectrum string
usesProvidedElectrum bool
onlyScan bool
}
func main() { func main() {
utils.SetOutputStream(debugOutputStream) utils.SetOutputStream(debugOutputStream)
var generateContacts bool var config config
// Pick up command-line arguments: // Pick up command-line arguments:
flag.BoolVar(&generateContacts, "generate-contacts", false, "Generate contact addresses") flag.BoolVar(&config.generateContacts, "generate-contacts", false, "Generate contact addresses")
flag.StringVar(&config.providedElectrum, "electrum-server", "", "Connect to this electrum server to find funds")
flag.BoolVar(&config.onlyScan, "only-scan", false, "Only scan for UTXOs without generating a transaction")
flag.Usage = printUsage flag.Usage = printUsage
flag.Parse() flag.Parse()
args := flag.Args() args := flag.Args()
@ -40,6 +52,11 @@ func main() {
// Welcome! // Welcome!
printWelcomeMessage() printWelcomeMessage()
config.usesProvidedElectrum = len(strings.TrimSpace(config.providedElectrum)) > 0
if config.usesProvidedElectrum {
validateProvidedElectrum(config.providedElectrum)
}
// We're going to need a few things to move forward with the recovery process. Let's make a list // We're going to need a few things to move forward with the recovery process. Let's make a list
// so we keep them in mind: // so we keep them in mind:
var recoveryCode string var recoveryCode string
@ -62,25 +79,41 @@ func main() {
decryptedKeys[0].Key.Path = "m/1'/1'" // a little adjustment for legacy users. decryptedKeys[0].Key.Path = "m/1'/1'" // a little adjustment for legacy users.
// Finally, we need the destination address to sweep the funds: if !config.onlyScan {
destinationAddress = readAddress() // Finally, we need the destination address to sweep the funds:
destinationAddress = readAddress()
}
sayBlock(` sayBlock(`
Starting scan of all possible addresses. This will take a few minutes. Starting scan of all possible addresses. This will take a few minutes.
`) `)
doRecovery(decryptedKeys, destinationAddress, generateContacts) doRecovery(decryptedKeys, destinationAddress, config)
sayBlock("We appreciate all kinds of feedback. If you have any, send it to {blue contact@muun.com}\n") sayBlock("We appreciate all kinds of feedback. If you have any, send it to {blue contact@muun.com}\n")
} }
// doRecovery runs the scan & sweep process, and returns the ID of the broadcasted transaction. // doRecovery runs the scan & sweep process, and returns the ID of the broadcasted transaction.
func doRecovery( func doRecovery(
decryptedKeys []*libwallet.DecryptedPrivateKey, destinationAddress btcutil.Address, generateContacts bool, decryptedKeys []*libwallet.DecryptedPrivateKey,
destinationAddress btcutil.Address,
config config,
) { ) {
addrGen := NewAddressGenerator(decryptedKeys[0].Key, decryptedKeys[1].Key, generateContacts) addrGen := NewAddressGenerator(decryptedKeys[0].Key, decryptedKeys[1].Key, config.generateContacts)
utxoScanner := scanner.NewScanner()
var electrumProvider *electrum.ServerProvider
if config.usesProvidedElectrum {
electrumProvider = electrum.NewServerProvider([]string{
config.providedElectrum,
})
} else {
electrumProvider = electrum.NewServerProvider(electrum.PublicServers)
}
connectionPool := electrum.NewPool(electrumPoolSize, !config.usesProvidedElectrum)
utxoScanner := scanner.NewScanner(connectionPool, electrumProvider)
addresses := addrGen.Stream() addresses := addrGen.Stream()
@ -122,6 +155,9 @@ func doRecovery(
} }
say("\n— {white %d} sats total\n", total) say("\n— {white %d} sats total\n", total)
if config.onlyScan {
return
}
txOutputAmount, txWeightInBytes, err := sweeper.GetSweepTxAmountAndWeightInBytes(utxos) txOutputAmount, txWeightInBytes, err := sweeper.GetSweepTxAmountAndWeightInBytes(utxos)
if err != nil { if err != nil {
@ -145,11 +181,36 @@ func doRecovery(
sayBlock(` sayBlock(`
Transaction sent! You can check the status here: https://mempool.space/tx/%v Transaction sent! You can check the status here: https://mempool.space/tx/%v
(it will appear in Blockstream after a short delay) (it will appear in mempool.space after a short delay)
`, sweepTx.TxHash().String()) `, sweepTx.TxHash().String())
} }
func validateProvidedElectrum(providedElectrum string) {
client := electrum.NewClient(false)
err := client.Connect(providedElectrum)
defer func(client *electrum.Client) {
_ = client.Disconnect()
}(client)
if err != nil {
sayBlock(`
{red Error!}
The Recovery Tool couldn't connect to the provided Electrum server %v.
If the problem persists, contact {blue support@muun.com}.
――― {white error report} ―――
%v
――――――――――――――――――――
We're always there to help.
`, providedElectrum, err)
os.Exit(2)
}
}
func exitWithError(err error) { func exitWithError(err error) {
sayBlock(` sayBlock(`
{red Error!} {red Error!}
@ -351,7 +412,7 @@ func readAddress() btcutil.Address {
func readFee(totalBalance, weight int64) int64 { func readFee(totalBalance, weight int64) int64 {
sayBlock(` sayBlock(`
{yellow Enter the fee rate (sats/byte)} {yellow Enter the fee rate (sats/byte)}
Your transaction weighs %v bytes. You can get suggestions in https://bitcoinfees.earn.com/#fees Your transaction weighs %v bytes. You can get suggestions in https://mempool.space/ under "Transaction fees".
`, weight) `, weight)
var userInput string var userInput string

7
scanner/scanner.go
View File

@ -9,7 +9,6 @@ import (
"github.com/muun/recovery/utils" "github.com/muun/recovery/utils"
) )
const electrumPoolSize = 6
const taskTimeout = 15 * time.Minute const taskTimeout = 15 * time.Minute
const batchSize = 100 const batchSize = 100
@ -70,10 +69,10 @@ type scanContext struct {
} }
// NewScanner creates an initialized Scanner. // NewScanner creates an initialized Scanner.
func NewScanner() *Scanner { func NewScanner(connectionPool *electrum.Pool, electrumProvider *electrum.ServerProvider) *Scanner {
return &Scanner{ return &Scanner{
pool: electrum.NewPool(electrumPoolSize), pool: connectionPool,
servers: electrum.NewServerProvider(), servers: electrumProvider,
log: utils.NewLogger("Scanner"), log: utils.NewLogger("Scanner"),
} }
} }

12
survey/survey.go
View File

@ -47,7 +47,7 @@ type surveyTask struct {
} }
// Values to check whether we're in the same chain (in a previous version, SV servers snuck in) // Values to check whether we're in the same chain (in a previous version, SV servers snuck in)
var mainnetSomeTx = "1712426823cc94935287a6834f7982723fbb5c808cbe00ec2cf3f582582be4c5" var mainnetSomeTx = "985eb411473fa1bbd73efa5e3685edc00366c86b8d4d3f5b969ad59c23f4d959"
var mainnetGenesisHash = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f" var mainnetGenesisHash = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
func NewSurvey(config *Config) *Survey { func NewSurvey(config *Config) *Survey {
@ -194,7 +194,7 @@ func (s *Survey) processTask(task *surveyTask) *Result {
// testConnection returns the server implementation, protocol version and time to connect // testConnection returns the server implementation, protocol version and time to connect
func testConnection(task *surveyTask) (string, string, time.Duration, error) { func testConnection(task *surveyTask) (string, string, time.Duration, error) {
client := electrum.NewClient() client := electrum.NewClient(true)
start := time.Now() start := time.Now()
err := client.Connect(task.server) err := client.Connect(task.server)
@ -207,7 +207,7 @@ func testConnection(task *surveyTask) (string, string, time.Duration, error) {
// testsBlockchain returns whether this server is operating on Bitcoin mainnet // testsBlockchain returns whether this server is operating on Bitcoin mainnet
func testBitcoinMainnet(task *surveyTask) (bool, error) { func testBitcoinMainnet(task *surveyTask) (bool, error) {
client := electrum.NewClient() client := electrum.NewClient(true)
err := client.Connect(task.server) err := client.Connect(task.server)
if err != nil { if err != nil {
@ -229,7 +229,7 @@ func testBitcoinMainnet(task *surveyTask) (bool, error) {
// testBatchSupport returns whether the server successfully responded to a batched request // testBatchSupport returns whether the server successfully responded to a batched request
func testBatchSupport(task *surveyTask) (bool, error) { func testBatchSupport(task *surveyTask) (bool, error) {
client := electrum.NewClient() client := electrum.NewClient(true)
err := client.Connect(task.server) err := client.Connect(task.server)
if err != nil { if err != nil {
@ -247,7 +247,7 @@ func testBatchSupport(task *surveyTask) (bool, error) {
// measureSpeed returns the amount of successful ListUnspentBatch calls in SPEED_TEST_DURATION // measureSpeed returns the amount of successful ListUnspentBatch calls in SPEED_TEST_DURATION
// seconds. It assumes batch support was verified beforehand. // seconds. It assumes batch support was verified beforehand.
func (s *Survey) measureSpeed(task *surveyTask) (int, error) { func (s *Survey) measureSpeed(task *surveyTask) (int, error) {
client := electrum.NewClient() client := electrum.NewClient(true)
err := client.Connect(task.server) err := client.Connect(task.server)
if err != nil { if err != nil {
@ -273,7 +273,7 @@ func (s *Survey) measureSpeed(task *surveyTask) (int, error) {
// getPeers returns the list of peers from a server, or empty if it doesn't responds to the request // getPeers returns the list of peers from a server, or empty if it doesn't responds to the request
func getPeers(task *surveyTask) ([]string, error) { func getPeers(task *surveyTask) ([]string, error) {
client := electrum.NewClient() client := electrum.NewClient(true)
err := client.Connect(task.server) err := client.Connect(task.server)
if err != nil { if err != nil {

4
sweeper.go
View File

@ -54,8 +54,8 @@ func (s *Sweeper) BuildSweepTx(utxos []*scanner.Utxo, fee int64) (*wire.MsgTx, e
func (s *Sweeper) BroadcastTx(tx *wire.MsgTx) error { func (s *Sweeper) BroadcastTx(tx *wire.MsgTx) error {
// Connect to an Electurm server using a fresh client and provider pair: // Connect to an Electurm server using a fresh client and provider pair:
sp := electrum.NewServerProvider() // TODO create servers module, for provider and pool sp := electrum.NewServerProvider(electrum.PublicServers) // TODO create servers module, for provider and pool
client := electrum.NewClient() client := electrum.NewClient(true)
for !client.IsConnected() { for !client.IsConnected() {
client.Connect(sp.NextServer()) client.Connect(sp.NextServer())

2
version.go
View File

@ -3,4 +3,4 @@ package main
// The OSS tool depends on this file with this content. If you need to change // The OSS tool depends on this file with this content. If you need to change
// it, change the tool too. // it, change the tool too.
const version = "2.2.3" const version = "2.2.4"