ytsync/manager/setup.go
2019-06-25 22:28:43 -04:00

451 lines
12 KiB
Go

package manager
import (
"fmt"
"math"
"net/http"
"os"
"strconv"
"time"
"github.com/lbryio/lbry.go/extras/errors"
"github.com/lbryio/lbry.go/extras/jsonrpc"
"github.com/lbryio/lbry.go/extras/util"
"github.com/lbryio/lbry.go/lbrycrd"
"github.com/lbryio/ytsync/tagsManager"
"github.com/lbryio/ytsync/thumbs"
"github.com/shopspring/decimal"
log "github.com/sirupsen/logrus"
"google.golang.org/api/googleapi/transport"
"google.golang.org/api/youtube/v3"
)
func (s *Sync) enableAddressReuse() error {
accountsResponse, err := s.daemon.AccountList()
if err != nil {
return errors.Err(err)
}
accounts := accountsResponse.LBCMainnet
if os.Getenv("REGTEST") == "true" {
accounts = accountsResponse.LBCRegtest
}
for _, a := range accounts {
_, err = s.daemon.AccountSet(a.ID, jsonrpc.AccountSettings{
ChangeMaxUses: util.PtrToInt(1000),
ReceivingMaxUses: util.PtrToInt(100),
})
if err != nil {
return errors.Err(err)
}
}
return nil
}
func (s *Sync) walletSetup() error {
//prevent unnecessary concurrent execution and publishing while refilling/reallocating UTXOs
s.walletMux.Lock()
defer s.walletMux.Unlock()
err := s.ensureChannelOwnership()
if err != nil {
return err
}
balanceResp, err := s.daemon.AccountBalance(nil)
if err != nil {
return err
} else if balanceResp == nil {
return errors.Err("no response")
}
balance, err := strconv.ParseFloat((string)(*balanceResp), 64)
if err != nil {
return errors.Err(err)
}
log.Debugf("Starting balance is %.4f", balance)
n, err := s.CountVideos()
if err != nil {
return err
}
videosOnYoutube := int(n)
log.Debugf("Source channel has %d videos", videosOnYoutube)
if videosOnYoutube == 0 {
return nil
}
s.syncedVideosMux.RLock()
publishedCount := 0
notUpgradedCount := 0
failedCount := 0
for _, sv := range s.syncedVideos {
if sv.Published {
publishedCount++
if sv.MetadataVersion < 2 {
notUpgradedCount++
}
} else {
failedCount++
}
}
s.syncedVideosMux.RUnlock()
log.Debugf("We already allocated credits for %d published videos and %d failed videos", publishedCount, failedCount)
if videosOnYoutube > s.Manager.videosLimit {
videosOnYoutube = s.Manager.videosLimit
}
unallocatedVideos := videosOnYoutube - (publishedCount + failedCount)
requiredBalance := float64(unallocatedVideos)*(publishAmount+estimatedMaxTxFee) + channelClaimAmount
if s.Manager.upgradeMetadata {
requiredBalance += float64(notUpgradedCount) * 0.001
}
refillAmount := 0.0
if balance < requiredBalance || balance < minimumAccountBalance {
refillAmount = math.Max(requiredBalance-balance, minimumRefillAmount)
}
if s.Refill > 0 {
refillAmount += float64(s.Refill)
}
if refillAmount > 0 {
err := s.addCredits(refillAmount)
if err != nil {
return errors.Err(err)
}
}
claimAddress, err := s.daemon.AddressList(nil)
if err != nil {
return err
} else if claimAddress == nil {
return errors.Err("could not get unused address")
}
s.claimAddress = string((*claimAddress)[0]) //TODO: remove claimAddress completely
if s.claimAddress == "" {
return errors.Err("found blank claim address")
}
err = s.ensureEnoughUTXOs()
if err != nil {
return err
}
return nil
}
func (s *Sync) ensureEnoughUTXOs() error {
accounts, err := s.daemon.AccountList()
if err != nil {
return errors.Err(err)
}
accountsNet := (*accounts).LBCMainnet
if os.Getenv("REGTEST") == "true" {
accountsNet = (*accounts).LBCRegtest
}
defaultAccount := ""
for _, account := range accountsNet {
if account.IsDefault {
defaultAccount = account.ID
break
}
}
if defaultAccount == "" {
return errors.Err("No default account found")
}
utxolist, err := s.daemon.UTXOList(&defaultAccount)
if err != nil {
return err
} else if utxolist == nil {
return errors.Err("no response")
}
target := 40
slack := int(float32(0.1) * float32(target))
count := 0
confirmedCount := 0
for _, utxo := range *utxolist {
amount, _ := strconv.ParseFloat(utxo.Amount, 64)
if utxo.IsMine && utxo.Type == "payment" && amount > 0.001 {
if utxo.Confirmations > 0 {
confirmedCount++
}
count++
}
}
log.Infof("utxo count: %d (%d confirmed)", count, confirmedCount)
UTXOWaitThreshold := 16
if count < target-slack {
balance, err := s.daemon.AccountBalance(&defaultAccount)
if err != nil {
return err
} else if balance == nil {
return errors.Err("no response")
}
balanceAmount, err := strconv.ParseFloat((string)(*balance), 64)
if err != nil {
return errors.Err(err)
}
maxUTXOs := uint64(500)
desiredUTXOCount := uint64(math.Floor((balanceAmount) / 0.1))
if desiredUTXOCount > maxUTXOs {
desiredUTXOCount = maxUTXOs
}
log.Infof("Splitting balance of %s evenly between %d UTXOs", *balance, desiredUTXOCount)
broadcastFee := 0.1
prefillTx, err := s.daemon.AccountFund(defaultAccount, defaultAccount, fmt.Sprintf("%.4f", balanceAmount-broadcastFee), desiredUTXOCount, false)
if err != nil {
return err
} else if prefillTx == nil {
return errors.Err("no response")
}
if confirmedCount < UTXOWaitThreshold {
err = s.waitForNewBlock()
if err != nil {
return err
}
}
} else if confirmedCount < UTXOWaitThreshold {
log.Println("Waiting for previous txns to confirm")
err := s.waitForNewBlock()
if err != nil {
return err
}
}
return nil
}
func (s *Sync) waitForNewBlock() error {
status, err := s.daemon.Status()
if err != nil {
return err
}
for status.Wallet.Blocks == 0 || status.Wallet.BlocksBehind != 0 {
time.Sleep(5 * time.Second)
status, err = s.daemon.Status()
if err != nil {
return err
}
}
currentBlock := status.Wallet.Blocks
for i := 0; status.Wallet.Blocks <= currentBlock; i++ {
if i%3 == 0 {
log.Printf("Waiting for new block (%d)...", currentBlock+1)
}
time.Sleep(10 * time.Second)
status, err = s.daemon.Status()
if err != nil {
return err
}
}
return nil
}
func (s *Sync) ensureChannelOwnership() error {
if s.LbryChannelName == "" {
return errors.Err("no channel name set")
}
//@TODO: get rid of this when imported channels are supported
if s.YoutubeChannelID == "UCW-thz5HxE-goYq8yPds1Gw" {
return nil
}
channels, err := s.daemon.ChannelList(nil, 1, 50)
if err != nil {
return err
} else if channels == nil {
return errors.Err("no channel response")
}
//special case for wallets we don't retain full control anymore
if len((*channels).Items) > 1 {
// This wallet is probably not under our control anymore but we still want to publish to it
// here we shall check if within all the channels there is one that was created by ytsync
SendInfoToSlack("we are dealing with a wallet that has multiple channels. This indicates that the wallet was probably transferred but we still want to sync their content. YoutubeID: %s", s.YoutubeChannelID)
if s.lbryChannelID == "" {
return errors.Err("this channel does not have a recorded claimID in the database. To prevent failures, updates are not supported until an entry is manually added in the database")
}
for _, c := range (*channels).Items {
if c.ClaimID != s.lbryChannelID {
if c.Name != s.LbryChannelName {
return errors.Err("the channel in the wallet is different than the channel in the database")
}
return nil // we have the ytsync channel and both the claimID and the channelName from the database are correct
}
}
}
channelUsesOldMetadata := false
if len((*channels).Items) == 1 {
channel := ((*channels).Items)[0]
if channel.Name == s.LbryChannelName {
channelUsesOldMetadata = channel.Value.GetThumbnail() == nil
//TODO: eventually get rid of this when the whole db is filled
if s.lbryChannelID == "" {
err = s.Manager.apiConfig.SetChannelClaimID(s.YoutubeChannelID, channel.ClaimID)
} else if channel.ClaimID != s.lbryChannelID {
return errors.Err("the channel in the wallet is different than the channel in the database")
}
s.lbryChannelID = channel.ClaimID
if !channelUsesOldMetadata {
return err
}
} else {
return errors.Err("this channel does not belong to this wallet! Expected: %s, found: %s", s.LbryChannelName, channel.Name)
}
}
channelBidAmount := channelClaimAmount
balanceResp, err := s.daemon.AccountBalance(nil)
if err != nil {
return err
} else if balanceResp == nil {
return errors.Err("no response")
}
balance, err := decimal.NewFromString((string)(*balanceResp))
if err != nil {
return errors.Err(err)
}
if balance.LessThan(decimal.NewFromFloat(channelBidAmount)) {
err = s.addCredits(channelBidAmount + 0.1)
if err != nil {
return err
}
}
client := &http.Client{
Transport: &transport.APIKey{Key: s.APIConfig.YoutubeAPIKey},
}
service, err := youtube.New(client)
if err != nil {
return errors.Prefix("error creating YouTube service", err)
}
response, err := service.Channels.List("snippet,brandingSettings").Id(s.YoutubeChannelID).Do()
if err != nil {
return errors.Prefix("error getting channel details", err)
}
if len(response.Items) < 1 {
return errors.Err("youtube channel not found")
}
channelInfo := response.Items[0].Snippet
channelBranding := response.Items[0].BrandingSettings
thumbnail := thumbs.GetBestThumbnail(channelInfo.Thumbnails)
thumbnailURL, err := thumbs.MirrorThumbnail(thumbnail.Url, s.YoutubeChannelID, s.Manager.GetS3AWSConfig())
if err != nil {
return err
}
var bannerURL *string
if channelBranding.Image != nil && channelBranding.Image.BannerImageUrl != "" {
bURL, err := thumbs.MirrorThumbnail(channelBranding.Image.BannerImageUrl, "banner-"+s.YoutubeChannelID, s.Manager.GetS3AWSConfig())
if err != nil {
return err
}
bannerURL = &bURL
}
var languages []string = nil
if channelInfo.DefaultLanguage != "" {
languages = []string{channelInfo.DefaultLanguage}
}
var locations []jsonrpc.Location = nil
if channelInfo.Country != "" {
locations = []jsonrpc.Location{{Country: util.PtrToString(channelInfo.Country)}}
}
var c *jsonrpc.TransactionSummary
claimCreateOptions := jsonrpc.ClaimCreateOptions{
Title: &channelInfo.Title,
Description: &channelInfo.Description,
Tags: tagsManager.GetTagsForChannel(s.YoutubeChannelID),
Languages: languages,
Locations: locations,
ThumbnailURL: &thumbnailURL,
}
if channelUsesOldMetadata {
c, err = s.daemon.ChannelUpdate(s.lbryChannelID, jsonrpc.ChannelUpdateOptions{
ClearTags: util.PtrToBool(true),
ClearLocations: util.PtrToBool(true),
ClearLanguages: util.PtrToBool(true),
ChannelCreateOptions: jsonrpc.ChannelCreateOptions{
ClaimCreateOptions: claimCreateOptions,
CoverURL: bannerURL,
},
})
} else {
c, err = s.daemon.ChannelCreate(s.LbryChannelName, channelBidAmount, jsonrpc.ChannelCreateOptions{
ClaimCreateOptions: claimCreateOptions,
CoverURL: bannerURL,
})
}
if err != nil {
return err
}
s.lbryChannelID = c.Outputs[0].ClaimID
return s.Manager.apiConfig.SetChannelClaimID(s.YoutubeChannelID, s.lbryChannelID)
}
func allUTXOsConfirmed(utxolist *jsonrpc.UTXOListResponse) bool {
if utxolist == nil {
return false
}
if len(*utxolist) < 1 {
return false
}
for _, utxo := range *utxolist {
if utxo.Confirmations <= 0 {
return false
}
}
return true
}
func (s *Sync) addCredits(amountToAdd float64) error {
log.Printf("Adding %f credits", amountToAdd)
var lbrycrdd *lbrycrd.Client
var err error
if s.LbrycrdString == "" {
lbrycrdd, err = lbrycrd.NewWithDefaultURL()
if err != nil {
return err
}
} else {
lbrycrdd, err = lbrycrd.New(s.LbrycrdString)
if err != nil {
return err
}
}
addressResp, err := s.daemon.AddressUnused(nil)
if err != nil {
return err
} else if addressResp == nil {
return errors.Err("no response")
}
address := string(*addressResp)
_, err = lbrycrdd.SimpleSend(address, amountToAdd)
if err != nil {
return err
}
wait := 15 * time.Second
log.Println("Waiting " + wait.String() + " for lbryum to let us know we have the new transaction")
time.Sleep(wait)
return nil
}