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