status-go/services/wallet/reader.go

624 lines
18 KiB
Go

package wallet
import (
"context"
"math"
"math/big"
"sync"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/log"
"github.com/status-im/status-go/multiaccounts/accounts"
"github.com/status-im/status-go/params"
"github.com/status-im/status-go/rpc"
"github.com/status-im/status-go/services/wallet/async"
"github.com/status-im/status-go/services/wallet/community"
"github.com/status-im/status-go/services/wallet/market"
"github.com/status-im/status-go/services/wallet/thirdparty"
"github.com/status-im/status-go/services/wallet/transfer"
"github.com/status-im/status-go/services/wallet/token"
"github.com/status-im/status-go/services/wallet/walletevent"
)
// WalletTickReload emitted every 15mn to reload the wallet balance and history
const EventWalletTickReload walletevent.EventType = "wallet-tick-reload"
const EventWalletTickCheckConnected walletevent.EventType = "wallet-tick-check-connected"
const (
walletTickReloadPeriod = 10 * time.Minute
activityReloadDelay = 30 // Wait this many seconds after activity is detected before triggering a wallet reload
activityReloadMarginSeconds = 30 // Trigger a wallet reload if activity is detected this many seconds before the last reload
)
func getFixedCurrencies() []string {
return []string{"USD"}
}
func belongsToMandatoryTokens(symbol string) bool {
var mandatoryTokens = []string{"ETH", "DAI", "SNT", "STT"}
for _, t := range mandatoryTokens {
if t == symbol {
return true
}
}
return false
}
func NewReader(rpcClient *rpc.Client, tokenManager *token.Manager, marketManager *market.Manager, communityManager *community.Manager, accountsDB *accounts.Database, persistence *Persistence, walletFeed *event.Feed) *Reader {
return &Reader{
rpcClient: rpcClient,
tokenManager: tokenManager,
marketManager: marketManager,
communityManager: communityManager,
accountsDB: accountsDB,
persistence: persistence,
walletFeed: walletFeed,
lastWalletTokenUpdateTimestamp: atomic.Int64{},
}
}
type Reader struct {
rpcClient *rpc.Client
tokenManager *token.Manager
marketManager *market.Manager
communityManager *community.Manager
accountsDB *accounts.Database
persistence *Persistence
walletFeed *event.Feed
cancel context.CancelFunc
walletEventsWatcher *walletevent.Watcher
lastWalletTokenUpdateTimestamp atomic.Int64
reloadDelayTimer *time.Timer
refreshBalanceCache bool
rw sync.RWMutex
}
type TokenMarketValues struct {
MarketCap float64 `json:"marketCap"`
HighDay float64 `json:"highDay"`
LowDay float64 `json:"lowDay"`
ChangePctHour float64 `json:"changePctHour"`
ChangePctDay float64 `json:"changePctDay"`
ChangePct24hour float64 `json:"changePct24hour"`
Change24hour float64 `json:"change24hour"`
Price float64 `json:"price"`
HasError bool `json:"hasError"`
}
type ChainBalance struct {
RawBalance string `json:"rawBalance"`
Balance *big.Float `json:"balance"`
Address common.Address `json:"address"`
ChainID uint64 `json:"chainId"`
HasError bool `json:"hasError"`
}
type Token struct {
Name string `json:"name"`
Symbol string `json:"symbol"`
Decimals uint `json:"decimals"`
BalancesPerChain map[uint64]ChainBalance `json:"balancesPerChain"`
Description string `json:"description"`
AssetWebsiteURL string `json:"assetWebsiteUrl"`
BuiltOn string `json:"builtOn"`
MarketValuesPerCurrency map[string]TokenMarketValues `json:"marketValuesPerCurrency"`
PegSymbol string `json:"pegSymbol"`
Verified bool `json:"verified"`
Image string `json:"image,omitempty"`
CommunityData *community.Data `json:"community_data,omitempty"`
}
func splitVerifiedTokens(tokens []*token.Token) ([]*token.Token, []*token.Token) {
verified := make([]*token.Token, 0)
unverified := make([]*token.Token, 0)
for _, t := range tokens {
if t.Verified {
verified = append(verified, t)
} else {
unverified = append(unverified, t)
}
}
return verified, unverified
}
func getTokenBySymbols(tokens []*token.Token) map[string][]*token.Token {
res := make(map[string][]*token.Token)
for _, t := range tokens {
if _, ok := res[t.Symbol]; !ok {
res[t.Symbol] = make([]*token.Token, 0)
}
res[t.Symbol] = append(res[t.Symbol], t)
}
return res
}
func getTokenAddresses(tokens []*token.Token) []common.Address {
set := make(map[common.Address]bool)
for _, token := range tokens {
set[token.Address] = true
}
res := make([]common.Address, 0)
for address := range set {
res = append(res, address)
}
return res
}
func (r *Reader) Start() error {
ctx, cancel := context.WithCancel(context.Background())
r.cancel = cancel
r.startWalletEventsWatcher()
go func() {
ticker := time.NewTicker(walletTickReloadPeriod)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return
case <-ticker.C:
r.triggerWalletReload()
}
}
}()
return nil
}
func (r *Reader) Stop() {
if r.cancel != nil {
r.cancel()
}
r.stopWalletEventsWatcher()
r.cancelDelayedWalletReload()
r.lastWalletTokenUpdateTimestamp.Store(0)
}
func (r *Reader) triggerWalletReload() {
r.cancelDelayedWalletReload()
r.walletFeed.Send(walletevent.Event{
Type: EventWalletTickReload,
})
}
func (r *Reader) triggerDelayedWalletReload() {
r.cancelDelayedWalletReload()
r.reloadDelayTimer = time.AfterFunc(time.Duration(activityReloadDelay)*time.Second, r.triggerWalletReload)
}
func (r *Reader) cancelDelayedWalletReload() {
if r.reloadDelayTimer != nil {
r.reloadDelayTimer.Stop()
r.reloadDelayTimer = nil
}
}
func (r *Reader) startWalletEventsWatcher() {
if r.walletEventsWatcher != nil {
return
}
// Respond to ETH/Token transfers
walletEventCb := func(event walletevent.Event) {
if event.Type != transfer.EventInternalETHTransferDetected &&
event.Type != transfer.EventInternalERC20TransferDetected {
return
}
timecheck := r.lastWalletTokenUpdateTimestamp.Load() - activityReloadMarginSeconds
if event.At > timecheck {
r.triggerDelayedWalletReload()
}
if transfer.IsTransferDetectionEvent(event.Type) {
r.invalidateBalanceCache()
}
}
r.walletEventsWatcher = walletevent.NewWatcher(r.walletFeed, walletEventCb)
r.walletEventsWatcher.Start()
}
func (r *Reader) stopWalletEventsWatcher() {
if r.walletEventsWatcher != nil {
r.walletEventsWatcher.Stop()
r.walletEventsWatcher = nil
}
}
func (r *Reader) isBalanceCacheValid() bool {
r.rw.RLock()
defer r.rw.RUnlock()
return !r.refreshBalanceCache
}
func (r *Reader) balanceRefreshed() {
r.rw.Lock()
defer r.rw.Unlock()
r.refreshBalanceCache = false
}
func (r *Reader) invalidateBalanceCache() {
r.rw.Lock()
defer r.rw.Unlock()
r.refreshBalanceCache = true
}
func (r *Reader) FetchOrGetCachedWalletBalances(ctx context.Context, addresses []common.Address) (map[common.Address][]Token, error) {
if !r.isBalanceCacheValid() {
balances, err := r.GetWalletTokenBalances(ctx, addresses)
if err != nil {
return nil, err
}
r.balanceRefreshed()
return balances, nil
}
return r.persistence.GetTokens()
}
func (r *Reader) GetWalletTokenBalances(ctx context.Context, addresses []common.Address) (map[common.Address][]Token, error) {
areTestNetworksEnabled, err := r.accountsDB.GetTestNetworksEnabled()
if err != nil {
return nil, err
}
networks, err := r.rpcClient.NetworkManager.Get(false)
if err != nil {
return nil, err
}
availableNetworks := make([]*params.Network, 0)
for _, network := range networks {
if network.IsTest != areTestNetworksEnabled {
continue
}
availableNetworks = append(availableNetworks, network)
}
cachedTokens, err := r.GetCachedWalletTokensWithoutMarketData()
if err != nil {
return nil, err
}
chainIDs := make([]uint64, 0)
for _, network := range availableNetworks {
chainIDs = append(chainIDs, network.ChainID)
}
allTokens, err := r.tokenManager.GetTokensByChainIDs(chainIDs)
if err != nil {
return nil, err
}
for _, network := range availableNetworks {
allTokens = append(allTokens, r.tokenManager.ToToken(network))
}
tokenAddresses := getTokenAddresses(allTokens)
clients, err := r.rpcClient.EthClients(chainIDs)
if err != nil {
return nil, err
}
balances, err := r.tokenManager.GetBalancesByChain(ctx, clients, addresses, tokenAddresses)
if err != nil {
for _, client := range clients {
client.SetIsConnected(false)
}
log.Info("tokenManager.GetBalancesByChain error", "err", err)
return nil, err
}
verifiedTokens, unverifiedTokens := splitVerifiedTokens(allTokens)
result := make(map[common.Address][]Token)
communities := make(map[string]bool)
for _, address := range addresses {
for _, tokenList := range [][]*token.Token{verifiedTokens, unverifiedTokens} {
for symbol, tokens := range getTokenBySymbols(tokenList) {
balancesPerChain := make(map[uint64]ChainBalance)
decimals := tokens[0].Decimals
isVisible := false
for _, token := range tokens {
hexBalance := balances[token.ChainID][address][token.Address]
balance := big.NewFloat(0.0)
if hexBalance != nil {
balance = new(big.Float).Quo(
new(big.Float).SetInt(hexBalance.ToInt()),
big.NewFloat(math.Pow(10, float64(decimals))),
)
}
hasError := false
if client, ok := clients[token.ChainID]; ok {
hasError = err != nil || !client.GetIsConnected()
}
if !isVisible {
isVisible = balance.Cmp(big.NewFloat(0.0)) > 0 || r.isCachedToken(cachedTokens, address, token.Symbol, token.ChainID)
}
balancesPerChain[token.ChainID] = ChainBalance{
RawBalance: hexBalance.ToInt().String(),
Balance: balance,
Address: token.Address,
ChainID: token.ChainID,
HasError: hasError,
}
}
if !isVisible && !belongsToMandatoryTokens(symbol) {
continue
}
walletToken := Token{
Name: tokens[0].Name,
Symbol: symbol,
BalancesPerChain: balancesPerChain,
Decimals: decimals,
PegSymbol: token.GetTokenPegSymbol(symbol),
Verified: tokens[0].Verified,
CommunityData: tokens[0].CommunityData,
Image: tokens[0].Image,
}
if walletToken.CommunityData != nil {
communities[walletToken.CommunityData.ID] = true
}
result[address] = append(result[address], walletToken)
}
}
}
r.lastWalletTokenUpdateTimestamp.Store(time.Now().Unix())
for communityID := range communities {
r.communityManager.FetchCommunityMetadataAsync(communityID)
}
return result, r.persistence.SaveTokens(result)
}
func (r *Reader) GetWalletToken(ctx context.Context, addresses []common.Address) (map[common.Address][]Token, error) {
areTestNetworksEnabled, err := r.accountsDB.GetTestNetworksEnabled()
if err != nil {
return nil, err
}
networks, err := r.rpcClient.NetworkManager.Get(false)
if err != nil {
return nil, err
}
availableNetworks := make([]*params.Network, 0)
for _, network := range networks {
if network.IsTest != areTestNetworksEnabled {
continue
}
availableNetworks = append(availableNetworks, network)
}
cachedTokens, err := r.GetCachedWalletTokensWithoutMarketData()
if err != nil {
return nil, err
}
chainIDs := make([]uint64, 0)
for _, network := range availableNetworks {
chainIDs = append(chainIDs, network.ChainID)
}
currencies := make([]string, 0)
currency, err := r.accountsDB.GetCurrency()
if err != nil {
return nil, err
}
currencies = append(currencies, currency)
currencies = append(currencies, getFixedCurrencies()...)
allTokens, err := r.tokenManager.GetTokensByChainIDs(chainIDs)
if err != nil {
return nil, err
}
for _, network := range availableNetworks {
allTokens = append(allTokens, r.tokenManager.ToToken(network))
}
tokenAddresses := getTokenAddresses(allTokens)
clients, err := r.rpcClient.EthClients(chainIDs)
if err != nil {
return nil, err
}
balances, err := r.tokenManager.GetBalancesByChain(ctx, clients, addresses, tokenAddresses)
if err != nil {
for _, client := range clients {
client.SetIsConnected(false)
}
log.Info("tokenManager.GetBalancesByChain error", "err", err)
return nil, err
}
verifiedTokens, unverifiedTokens := splitVerifiedTokens(allTokens)
tokenSymbols := make([]string, 0)
result := make(map[common.Address][]Token)
for _, address := range addresses {
for _, tokenList := range [][]*token.Token{verifiedTokens, unverifiedTokens} {
for symbol, tokens := range getTokenBySymbols(tokenList) {
balancesPerChain := make(map[uint64]ChainBalance)
decimals := tokens[0].Decimals
isVisible := false
for _, token := range tokens {
hexBalance := balances[token.ChainID][address][token.Address]
balance := big.NewFloat(0.0)
if hexBalance != nil {
balance = new(big.Float).Quo(
new(big.Float).SetInt(hexBalance.ToInt()),
big.NewFloat(math.Pow(10, float64(decimals))),
)
}
hasError := false
if client, ok := clients[token.ChainID]; ok {
hasError = err != nil || !client.GetIsConnected()
}
if !isVisible {
isVisible = balance.Cmp(big.NewFloat(0.0)) > 0 || r.isCachedToken(cachedTokens, address, token.Symbol, token.ChainID)
}
balancesPerChain[token.ChainID] = ChainBalance{
RawBalance: hexBalance.ToInt().String(),
Balance: balance,
Address: token.Address,
ChainID: token.ChainID,
HasError: hasError,
}
}
if !isVisible && !belongsToMandatoryTokens(symbol) {
continue
}
walletToken := Token{
Name: tokens[0].Name,
Symbol: symbol,
BalancesPerChain: balancesPerChain,
Decimals: decimals,
PegSymbol: token.GetTokenPegSymbol(symbol),
Verified: tokens[0].Verified,
CommunityData: tokens[0].CommunityData,
Image: tokens[0].Image,
}
tokenSymbols = append(tokenSymbols, symbol)
result[address] = append(result[address], walletToken)
}
}
}
var (
group = async.NewAtomicGroup(ctx)
prices = map[string]map[string]float64{}
tokenDetails = map[string]thirdparty.TokenDetails{}
tokenMarketValues = map[string]thirdparty.TokenMarketValues{}
)
group.Add(func(parent context.Context) error {
prices, err = r.marketManager.FetchPrices(tokenSymbols, currencies)
if err != nil {
log.Info("marketManager.FetchPrices err", err)
}
return nil
})
group.Add(func(parent context.Context) error {
tokenDetails, err = r.marketManager.FetchTokenDetails(tokenSymbols)
if err != nil {
log.Info("marketManager.FetchTokenDetails err", err)
}
return nil
})
group.Add(func(parent context.Context) error {
tokenMarketValues, err = r.marketManager.FetchTokenMarketValues(tokenSymbols, currency)
if err != nil {
log.Info("marketManager.FetchTokenMarketValues err", err)
}
return nil
})
select {
case <-group.WaitAsync():
case <-ctx.Done():
return nil, ctx.Err()
}
err = group.Error()
if err != nil {
return nil, err
}
communities := make(map[string]bool)
for address, tokens := range result {
for index, token := range tokens {
marketValuesPerCurrency := make(map[string]TokenMarketValues)
for _, currency := range currencies {
if _, ok := tokenMarketValues[token.Symbol]; !ok {
continue
}
marketValuesPerCurrency[currency] = TokenMarketValues{
MarketCap: tokenMarketValues[token.Symbol].MKTCAP,
HighDay: tokenMarketValues[token.Symbol].HIGHDAY,
LowDay: tokenMarketValues[token.Symbol].LOWDAY,
ChangePctHour: tokenMarketValues[token.Symbol].CHANGEPCTHOUR,
ChangePctDay: tokenMarketValues[token.Symbol].CHANGEPCTDAY,
ChangePct24hour: tokenMarketValues[token.Symbol].CHANGEPCT24HOUR,
Change24hour: tokenMarketValues[token.Symbol].CHANGE24HOUR,
Price: prices[token.Symbol][currency],
HasError: !r.marketManager.IsConnected,
}
}
if token.CommunityData != nil {
communities[token.CommunityData.ID] = true
}
if _, ok := tokenDetails[token.Symbol]; !ok {
continue
}
result[address][index].Description = tokenDetails[token.Symbol].Description
result[address][index].AssetWebsiteURL = tokenDetails[token.Symbol].AssetWebsiteURL
result[address][index].BuiltOn = tokenDetails[token.Symbol].BuiltOn
result[address][index].MarketValuesPerCurrency = marketValuesPerCurrency
}
}
r.lastWalletTokenUpdateTimestamp.Store(time.Now().Unix())
for communityID := range communities {
r.communityManager.FetchCommunityMetadataAsync(communityID)
}
return result, r.persistence.SaveTokens(result)
}
func (r *Reader) isCachedToken(cachedTokens map[common.Address][]Token, address common.Address, symbol string, chainID uint64) bool {
if tokens, ok := cachedTokens[address]; ok {
for _, t := range tokens {
if t.Symbol != symbol {
continue
}
_, ok := t.BalancesPerChain[chainID]
if ok {
return true
}
}
}
return false
}
// GetCachedWalletTokensWithoutMarketData returns the latest fetched balances, minus
// price information
func (r *Reader) GetCachedWalletTokensWithoutMarketData() (map[common.Address][]Token, error) {
return r.persistence.GetTokens()
}