656 lines
22 KiB
Go
656 lines
22 KiB
Go
package transfer
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import (
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"context"
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"database/sql"
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"math/big"
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"time"
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"golang.org/x/exp/maps"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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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/rpc/chain"
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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/balance"
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w_common "github.com/status-im/status-go/services/wallet/common"
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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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"github.com/status-im/status-go/transactions"
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)
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const (
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// EventNewTransfers emitted when new block was added to the same canonical chan.
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EventNewTransfers walletevent.EventType = "new-transfers"
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// EventFetchingRecentHistory emitted when fetching of lastest tx history is started
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EventFetchingRecentHistory walletevent.EventType = "recent-history-fetching"
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// EventRecentHistoryReady emitted when fetching of lastest tx history is started
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EventRecentHistoryReady walletevent.EventType = "recent-history-ready"
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// EventFetchingHistoryError emitted when fetching of tx history failed
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EventFetchingHistoryError walletevent.EventType = "fetching-history-error"
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// EventNonArchivalNodeDetected emitted when a connection to a non archival node is detected
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EventNonArchivalNodeDetected walletevent.EventType = "non-archival-node-detected"
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// Internal events emitted when different kinds of transfers are detected
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EventInternalETHTransferDetected walletevent.EventType = walletevent.InternalEventTypePrefix + "eth-transfer-detected"
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EventInternalERC20TransferDetected walletevent.EventType = walletevent.InternalEventTypePrefix + "erc20-transfer-detected"
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EventInternalERC721TransferDetected walletevent.EventType = walletevent.InternalEventTypePrefix + "erc721-transfer-detected"
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EventInternalERC1155TransferDetected walletevent.EventType = walletevent.InternalEventTypePrefix + "erc1155-transfer-detected"
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numberOfBlocksCheckedPerIteration = 40
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noBlockLimit = 0
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)
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var (
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// This will work only for binance testnet as mainnet doesn't support
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// archival request.
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binanceChainErc20BatchSize = big.NewInt(5000)
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goerliErc20BatchSize = big.NewInt(100000)
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goerliErc20ArbitrumBatchSize = big.NewInt(10000)
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goerliErc20OptimismBatchSize = big.NewInt(10000)
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erc20BatchSize = big.NewInt(500000)
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binancChainID = uint64(56)
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goerliChainID = uint64(5)
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goerliArbitrumChainID = uint64(421613)
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goerliOptimismChainID = uint64(420)
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binanceTestChainID = uint64(97)
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transfersRetryInterval = 5 * time.Second
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)
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type ethHistoricalCommand struct {
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address common.Address
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chainClient chain.ClientInterface
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balanceCacher balance.Cacher
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feed *event.Feed
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foundHeaders []*DBHeader
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error error
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noLimit bool
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from *Block
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to, resultingFrom, startBlock *big.Int
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threadLimit uint32
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}
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type Transaction []*Transfer
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func (c *ethHistoricalCommand) Command() async.Command {
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return async.FiniteCommand{
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Interval: 5 * time.Second,
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Runable: c.Run,
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}.Run
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}
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func (c *ethHistoricalCommand) Run(ctx context.Context) (err error) {
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log.Debug("eth historical downloader start", "chainID", c.chainClient.NetworkID(), "address", c.address,
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"from", c.from.Number, "to", c.to, "noLimit", c.noLimit)
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start := time.Now()
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if c.from.Number != nil && c.from.Balance != nil {
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c.balanceCacher.Cache().AddBalance(c.address, c.chainClient.NetworkID(), c.from.Number, c.from.Balance)
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}
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if c.from.Number != nil && c.from.Nonce != nil {
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c.balanceCacher.Cache().AddNonce(c.address, c.chainClient.NetworkID(), c.from.Number, c.from.Nonce)
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}
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from, headers, startBlock, err := findBlocksWithEthTransfers(ctx, c.chainClient,
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c.balanceCacher, c.address, c.from.Number, c.to, c.noLimit, c.threadLimit)
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if err != nil {
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c.error = err
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log.Error("failed to find blocks with transfers", "error", err, "chainID", c.chainClient.NetworkID(),
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"address", c.address, "from", c.from.Number, "to", c.to)
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return nil
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}
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c.foundHeaders = headers
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c.resultingFrom = from
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c.startBlock = startBlock
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log.Debug("eth historical downloader finished successfully", "chain", c.chainClient.NetworkID(),
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"address", c.address, "from", from, "to", c.to, "total blocks", len(headers), "time", time.Since(start))
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return nil
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}
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type erc20HistoricalCommand struct {
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erc20 BatchDownloader
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chainClient chain.ClientInterface
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feed *event.Feed
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iterator *IterativeDownloader
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to *big.Int
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from *big.Int
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foundHeaders []*DBHeader
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}
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func (c *erc20HistoricalCommand) Command() async.Command {
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return async.FiniteCommand{
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Interval: 5 * time.Second,
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Runable: c.Run,
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}.Run
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}
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func getErc20BatchSize(chainID uint64) *big.Int {
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if isBinanceChain(chainID) {
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return binanceChainErc20BatchSize
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}
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if chainID == goerliChainID {
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return goerliErc20BatchSize
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}
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if chainID == goerliOptimismChainID {
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return goerliErc20OptimismBatchSize
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}
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if chainID == goerliArbitrumChainID {
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return goerliErc20ArbitrumBatchSize
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}
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return erc20BatchSize
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}
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func (c *erc20HistoricalCommand) Run(ctx context.Context) (err error) {
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log.Debug("wallet historical downloader for erc20 transfers start", "chainID", c.chainClient.NetworkID(),
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"from", c.from, "to", c.to)
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start := time.Now()
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if c.iterator == nil {
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c.iterator, err = SetupIterativeDownloader(
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c.chainClient,
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c.erc20, getErc20BatchSize(c.chainClient.NetworkID()), c.to, c.from)
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if err != nil {
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log.Error("failed to setup historical downloader for erc20")
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return err
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}
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}
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for !c.iterator.Finished() {
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headers, _, _, err := c.iterator.Next(ctx)
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if err != nil {
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log.Error("failed to get next batch", "error", err, "chainID", c.chainClient.NetworkID()) // TODO: stop inifinite command in case of an error that we can't fix like missing trie node
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return err
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}
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c.foundHeaders = append(c.foundHeaders, headers...)
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}
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log.Debug("wallet historical downloader for erc20 transfers finished", "chainID", c.chainClient.NetworkID(),
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"from", c.from, "to", c.to, "time", time.Since(start), "headers", len(c.foundHeaders))
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return nil
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}
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type transfersCommand struct {
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db *Database
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blockDAO *BlockDAO
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eth *ETHDownloader
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blockNums []*big.Int
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address common.Address
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chainClient chain.ClientInterface
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blocksLimit int
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transactionManager *TransactionManager
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pendingTxManager *transactions.PendingTxTracker
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tokenManager *token.Manager
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feed *event.Feed
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// result
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fetchedTransfers []Transfer
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}
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func (c *transfersCommand) Runner(interval ...time.Duration) async.Runner {
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intvl := transfersRetryInterval
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if len(interval) > 0 {
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intvl = interval[0]
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}
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return async.FiniteCommandWithErrorCounter{
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FiniteCommand: async.FiniteCommand{
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Interval: intvl,
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Runable: c.Run,
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},
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ErrorCounter: async.NewErrorCounter(5, "transfersCommand"),
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}
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}
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func (c *transfersCommand) Command(interval ...time.Duration) async.Command {
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return c.Runner(interval...).Run
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}
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func (c *transfersCommand) Run(ctx context.Context) (err error) {
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// Take blocks from cache if available and disrespect the limit
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// If no blocks are available in cache, take blocks from DB respecting the limit
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// If no limit is set, take all blocks from DB
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log.Debug("start transfersCommand", "chain", c.chainClient.NetworkID(), "address", c.address, "blockNums", c.blockNums)
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startTs := time.Now()
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for {
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blocks := c.blockNums
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if blocks == nil {
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blocks, _ = c.blockDAO.GetBlocksToLoadByAddress(c.chainClient.NetworkID(), c.address, numberOfBlocksCheckedPerIteration)
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}
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for _, blockNum := range blocks {
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log.Debug("transfersCommand block start", "chain", c.chainClient.NetworkID(), "address", c.address, "block", blockNum)
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allTransfers, err := c.eth.GetTransfersByNumber(ctx, blockNum)
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if err != nil {
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log.Error("getTransfersByBlocks error", "error", err)
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return err
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}
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c.processUnknownErc20CommunityTransactions(ctx, allTransfers)
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err = c.processMultiTransactions(ctx, allTransfers)
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if err != nil {
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log.Error("processMultiTransactions error", "error", err)
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return err
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}
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if len(allTransfers) > 0 {
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err := c.saveAndConfirmPending(allTransfers, blockNum)
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if err != nil {
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log.Error("saveAndConfirmPending error", "error", err)
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return err
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}
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} else {
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// If no transfers found, that is suspecting, because downloader returned this block as containing transfers
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log.Error("no transfers found in block", "chain", c.chainClient.NetworkID(), "address", c.address, "block", blockNum)
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err = markBlocksAsLoaded(c.chainClient.NetworkID(), c.db.client, c.address, []*big.Int{blockNum})
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if err != nil {
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log.Error("Mark blocks loaded error", "error", err)
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return err
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}
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}
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c.fetchedTransfers = append(c.fetchedTransfers, allTransfers...)
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c.notifyOfNewTransfers(blockNum, allTransfers)
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c.notifyOfLatestTransfers(allTransfers, w_common.EthTransfer)
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c.notifyOfLatestTransfers(allTransfers, w_common.Erc20Transfer)
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c.notifyOfLatestTransfers(allTransfers, w_common.Erc721Transfer)
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c.notifyOfLatestTransfers(allTransfers, w_common.Erc1155Transfer)
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log.Debug("transfersCommand block end", "chain", c.chainClient.NetworkID(), "address", c.address,
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"block", blockNum, "tranfers.len", len(allTransfers), "fetchedTransfers.len", len(c.fetchedTransfers))
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}
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if c.blockNums != nil || len(blocks) == 0 ||
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(c.blocksLimit > noBlockLimit && len(blocks) >= c.blocksLimit) {
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log.Debug("loadTransfers breaking loop on block limits reached or 0 blocks", "chain", c.chainClient.NetworkID(),
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"address", c.address, "limit", c.blocksLimit, "blocks", len(blocks))
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break
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}
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}
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log.Debug("end transfersCommand", "chain", c.chainClient.NetworkID(), "address", c.address,
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"blocks.len", len(c.blockNums), "transfers.len", len(c.fetchedTransfers), "in", time.Since(startTs))
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return nil
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}
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// saveAndConfirmPending ensures only the transaction that has owner (Address) as a sender is matched to the
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// corresponding multi-transaction (by multi-transaction ID). This way we ensure that if receiver is in the list
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// of accounts filter will discard the proper one
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func (c *transfersCommand) saveAndConfirmPending(allTransfers []Transfer, blockNum *big.Int) error {
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tx, resErr := c.db.client.Begin()
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if resErr != nil {
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return resErr
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}
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notifyFunctions := c.confirmPendingTransactions(tx, allTransfers)
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defer func() {
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if resErr == nil {
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commitErr := tx.Commit()
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if commitErr != nil {
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log.Error("failed to commit", "error", commitErr)
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}
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for _, notify := range notifyFunctions {
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notify()
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}
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} else {
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rollbackErr := tx.Rollback()
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if rollbackErr != nil {
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log.Error("failed to rollback", "error", rollbackErr)
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}
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}
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}()
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resErr = saveTransfersMarkBlocksLoaded(tx, c.chainClient.NetworkID(), c.address, allTransfers, []*big.Int{blockNum})
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if resErr != nil {
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log.Error("SaveTransfers error", "error", resErr)
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}
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return resErr
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}
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func (c *transfersCommand) confirmPendingTransactions(tx *sql.Tx, allTransfers []Transfer) (notifyFunctions []func()) {
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notifyFunctions = make([]func(), 0)
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// Confirm all pending transactions that are included in this block
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for i, tr := range allTransfers {
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chainID := w_common.ChainID(tr.NetworkID)
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txHash := tr.Receipt.TxHash
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txType, mTID, err := transactions.GetOwnedPendingStatus(tx, chainID, txHash, tr.Address)
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if err == sql.ErrNoRows {
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if tr.MultiTransactionID > 0 {
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continue
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} else {
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// Outside transaction, already confirmed by another duplicate or not yet downloaded
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existingMTID, err := GetOwnedMultiTransactionID(tx, chainID, tr.ID, tr.Address)
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if err == sql.ErrNoRows || existingMTID == 0 {
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// Outside transaction, ignore it
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continue
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} else if err != nil {
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log.Warn("GetOwnedMultiTransactionID", "error", err)
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continue
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}
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mTID = w_common.NewAndSet(existingMTID)
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}
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} else if err != nil {
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log.Warn("GetOwnedPendingStatus", "error", err)
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continue
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}
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if mTID != nil {
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allTransfers[i].MultiTransactionID = MultiTransactionIDType(*mTID)
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}
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if txType != nil && *txType == transactions.WalletTransfer {
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notify, err := c.pendingTxManager.DeleteBySQLTx(tx, chainID, txHash)
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if err != nil && err != transactions.ErrStillPending {
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log.Error("DeleteBySqlTx error", "error", err)
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}
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notifyFunctions = append(notifyFunctions, notify)
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}
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}
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return notifyFunctions
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}
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// Mark all subTxs of a given Tx with the same multiTxID
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func setMultiTxID(tx Transaction, multiTxID MultiTransactionIDType) {
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for _, subTx := range tx {
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subTx.MultiTransactionID = multiTxID
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}
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}
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func (c *transfersCommand) markMultiTxTokensAsPreviouslyOwned(ctx context.Context, multiTransaction *MultiTransaction, ownerAddress common.Address) {
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if multiTransaction == nil {
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return
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}
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if len(multiTransaction.ToAsset) > 0 && multiTransaction.ToNetworkID > 0 {
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token := c.tokenManager.GetToken(multiTransaction.ToNetworkID, multiTransaction.ToAsset)
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_, _ = c.tokenManager.MarkAsPreviouslyOwnedToken(token, ownerAddress)
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}
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if len(multiTransaction.FromAsset) > 0 && multiTransaction.FromNetworkID > 0 {
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token := c.tokenManager.GetToken(multiTransaction.FromNetworkID, multiTransaction.FromAsset)
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_, _ = c.tokenManager.MarkAsPreviouslyOwnedToken(token, ownerAddress)
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}
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}
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func (c *transfersCommand) checkAndProcessSwapMultiTx(ctx context.Context, tx Transaction) (bool, error) {
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for _, subTx := range tx {
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switch subTx.Type {
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// If the Tx contains any uniswapV2Swap/uniswapV3Swap subTx, generate a Swap multiTx
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case w_common.UniswapV2Swap, w_common.UniswapV3Swap:
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multiTransaction, err := buildUniswapSwapMultitransaction(ctx, c.chainClient, c.tokenManager, subTx)
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if err != nil {
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return false, err
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}
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if multiTransaction != nil {
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id, err := c.transactionManager.InsertMultiTransaction(multiTransaction)
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if err != nil {
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return false, err
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}
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setMultiTxID(tx, id)
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c.markMultiTxTokensAsPreviouslyOwned(ctx, multiTransaction, subTx.Address)
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return true, nil
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}
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}
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}
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return false, nil
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}
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func (c *transfersCommand) checkAndProcessBridgeMultiTx(ctx context.Context, tx Transaction) (bool, error) {
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for _, subTx := range tx {
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switch subTx.Type {
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// If the Tx contains any hopBridge subTx, create/update Bridge multiTx
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case w_common.HopBridgeFrom, w_common.HopBridgeTo:
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multiTransaction, err := buildHopBridgeMultitransaction(ctx, c.chainClient, c.transactionManager, c.tokenManager, subTx)
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if err != nil {
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return false, err
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}
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if multiTransaction != nil {
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setMultiTxID(tx, MultiTransactionIDType(multiTransaction.ID))
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c.markMultiTxTokensAsPreviouslyOwned(ctx, multiTransaction, subTx.Address)
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return true, nil
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}
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}
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}
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return false, nil
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}
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func (c *transfersCommand) processUnknownErc20CommunityTransactions(ctx context.Context, allTransfers []Transfer) {
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for _, tx := range allTransfers {
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// To can be nil in case of erc20 contract creation
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if tx.Type == w_common.Erc20Transfer && tx.Transaction.To() != nil {
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// Find token in db or if this is a community token, find its metadata
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token := c.tokenManager.FindOrCreateTokenByAddress(ctx, tx.NetworkID, *tx.Transaction.To())
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if token != nil {
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isFirst := false
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if token.Verified || token.CommunityData != nil {
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isFirst, _ = c.tokenManager.MarkAsPreviouslyOwnedToken(token, tx.Address)
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}
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if token.CommunityData != nil {
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go c.tokenManager.SignalCommunityTokenReceived(tx.Address, tx.ID, tx.TokenValue, token, isFirst)
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}
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}
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}
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}
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}
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func (c *transfersCommand) processMultiTransactions(ctx context.Context, allTransfers []Transfer) error {
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txByTxHash := subTransactionListToTransactionsByTxHash(allTransfers)
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// Detect / Generate multitransactions
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// Iterate over all detected transactions
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for _, tx := range txByTxHash {
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// Then check for a Swap transaction
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txProcessed, err := c.checkAndProcessSwapMultiTx(ctx, tx)
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if err != nil {
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return err
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}
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if txProcessed {
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continue
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}
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// Then check for a Bridge transaction
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_, err = c.checkAndProcessBridgeMultiTx(ctx, tx)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (c *transfersCommand) notifyOfNewTransfers(blockNum *big.Int, transfers []Transfer) {
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if c.feed != nil {
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|
if len(transfers) > 0 {
|
|
c.feed.Send(walletevent.Event{
|
|
Type: EventNewTransfers,
|
|
Accounts: []common.Address{c.address},
|
|
ChainID: c.chainClient.NetworkID(),
|
|
BlockNumber: blockNum,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
func transferTypeToEventType(transferType w_common.Type) walletevent.EventType {
|
|
switch transferType {
|
|
case w_common.EthTransfer:
|
|
return EventInternalETHTransferDetected
|
|
case w_common.Erc20Transfer:
|
|
return EventInternalERC20TransferDetected
|
|
case w_common.Erc721Transfer:
|
|
return EventInternalERC721TransferDetected
|
|
case w_common.Erc1155Transfer:
|
|
return EventInternalERC1155TransferDetected
|
|
default:
|
|
return ""
|
|
}
|
|
}
|
|
|
|
func (c *transfersCommand) notifyOfLatestTransfers(transfers []Transfer, transferType w_common.Type) {
|
|
if c.feed != nil {
|
|
eventTransfers := make([]Transfer, 0, len(transfers))
|
|
latestTransferTimestamp := uint64(0)
|
|
for _, transfer := range transfers {
|
|
if transfer.Type == transferType {
|
|
eventTransfers = append(eventTransfers, transfer)
|
|
if transfer.Timestamp > latestTransferTimestamp {
|
|
latestTransferTimestamp = transfer.Timestamp
|
|
}
|
|
}
|
|
}
|
|
if len(eventTransfers) > 0 {
|
|
c.feed.Send(walletevent.Event{
|
|
Type: transferTypeToEventType(transferType),
|
|
Accounts: []common.Address{c.address},
|
|
ChainID: c.chainClient.NetworkID(),
|
|
At: int64(latestTransferTimestamp),
|
|
EventParams: eventTransfers,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
type loadTransfersCommand struct {
|
|
accounts []common.Address
|
|
db *Database
|
|
blockDAO *BlockDAO
|
|
chainClient chain.ClientInterface
|
|
blocksByAddress map[common.Address][]*big.Int
|
|
transactionManager *TransactionManager
|
|
pendingTxManager *transactions.PendingTxTracker
|
|
blocksLimit int
|
|
tokenManager *token.Manager
|
|
feed *event.Feed
|
|
}
|
|
|
|
func (c *loadTransfersCommand) Command() async.Command {
|
|
return async.FiniteCommand{
|
|
Interval: 5 * time.Second,
|
|
Runable: c.Run,
|
|
}.Run
|
|
}
|
|
|
|
// This command always returns nil, even if there is an error in one of the commands.
|
|
// `transferCommand`s retry until maxError, but this command doesn't retry.
|
|
// In case some transfer is not loaded after max retries, it will be retried only after restart of the app.
|
|
// Currently there is no implementation to keep retrying until success. I think this should be implemented
|
|
// in `transferCommand` with exponential backoff instead of `loadTransfersCommand` (issue #4608).
|
|
func (c *loadTransfersCommand) Run(parent context.Context) (err error) {
|
|
return loadTransfers(parent, c.blockDAO, c.db, c.chainClient, c.blocksLimit, c.blocksByAddress,
|
|
c.transactionManager, c.pendingTxManager, c.tokenManager, c.feed)
|
|
}
|
|
|
|
func loadTransfers(ctx context.Context, blockDAO *BlockDAO, db *Database,
|
|
chainClient chain.ClientInterface, blocksLimitPerAccount int, blocksByAddress map[common.Address][]*big.Int,
|
|
transactionManager *TransactionManager, pendingTxManager *transactions.PendingTxTracker,
|
|
tokenManager *token.Manager, feed *event.Feed) error {
|
|
|
|
log.Debug("loadTransfers start", "chain", chainClient.NetworkID(), "limit", blocksLimitPerAccount)
|
|
|
|
start := time.Now()
|
|
group := async.NewGroup(ctx)
|
|
|
|
accounts := maps.Keys(blocksByAddress)
|
|
for _, address := range accounts {
|
|
transfers := &transfersCommand{
|
|
db: db,
|
|
blockDAO: blockDAO,
|
|
chainClient: chainClient,
|
|
address: address,
|
|
eth: ÐDownloader{
|
|
chainClient: chainClient,
|
|
accounts: []common.Address{address},
|
|
signer: types.LatestSignerForChainID(chainClient.ToBigInt()),
|
|
db: db,
|
|
},
|
|
blockNums: blocksByAddress[address],
|
|
transactionManager: transactionManager,
|
|
pendingTxManager: pendingTxManager,
|
|
tokenManager: tokenManager,
|
|
feed: feed,
|
|
}
|
|
group.Add(transfers.Command())
|
|
}
|
|
|
|
select {
|
|
case <-ctx.Done():
|
|
log.Debug("loadTransfers cancelled", "chain", chainClient.NetworkID(), "error", ctx.Err())
|
|
case <-group.WaitAsync():
|
|
log.Debug("loadTransfers finished for account", "in", time.Since(start), "chain", chainClient.NetworkID())
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func isBinanceChain(chainID uint64) bool {
|
|
return chainID == binancChainID || chainID == binanceTestChainID
|
|
}
|
|
|
|
// Ensure 1 DBHeader per Block Hash
|
|
func uniqueHeaderPerBlockHash(allHeaders []*DBHeader) []*DBHeader {
|
|
uniqHeadersByHash := map[common.Hash]*DBHeader{}
|
|
for _, header := range allHeaders {
|
|
uniqHeader, ok := uniqHeadersByHash[header.Hash]
|
|
if ok {
|
|
if len(header.PreloadedTransactions) > 0 {
|
|
uniqHeader.PreloadedTransactions = append(uniqHeader.PreloadedTransactions, header.PreloadedTransactions...)
|
|
}
|
|
uniqHeadersByHash[header.Hash] = uniqHeader
|
|
} else {
|
|
uniqHeadersByHash[header.Hash] = header
|
|
}
|
|
}
|
|
|
|
uniqHeaders := []*DBHeader{}
|
|
for _, header := range uniqHeadersByHash {
|
|
uniqHeaders = append(uniqHeaders, header)
|
|
}
|
|
|
|
return uniqHeaders
|
|
}
|
|
|
|
// Organize subTransactions by Transaction Hash
|
|
func subTransactionListToTransactionsByTxHash(subTransactions []Transfer) map[common.Hash]Transaction {
|
|
rst := map[common.Hash]Transaction{}
|
|
|
|
for index := range subTransactions {
|
|
subTx := &subTransactions[index]
|
|
txHash := subTx.Transaction.Hash()
|
|
|
|
if _, ok := rst[txHash]; !ok {
|
|
rst[txHash] = make([]*Transfer, 0)
|
|
}
|
|
rst[txHash] = append(rst[txHash], subTx)
|
|
}
|
|
|
|
return rst
|
|
}
|
|
|
|
func IsTransferDetectionEvent(ev walletevent.EventType) bool {
|
|
if ev == EventInternalETHTransferDetected ||
|
|
ev == EventInternalERC20TransferDetected ||
|
|
ev == EventInternalERC721TransferDetected ||
|
|
ev == EventInternalERC1155TransferDetected {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|