526 lines
17 KiB
Go
526 lines
17 KiB
Go
package transfer
|
|
|
|
import (
|
|
"context"
|
|
"encoding/binary"
|
|
"errors"
|
|
"math/big"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
|
|
"github.com/status-im/status-go/rpc/chain"
|
|
w_common "github.com/status-im/status-go/services/wallet/common"
|
|
)
|
|
|
|
func getLogSubTxID(log types.Log) common.Hash {
|
|
// Get unique ID by using TxHash and log index
|
|
index := [4]byte{}
|
|
binary.BigEndian.PutUint32(index[:], uint32(log.Index))
|
|
return crypto.Keccak256Hash(log.TxHash.Bytes(), index[:])
|
|
}
|
|
|
|
var (
|
|
zero = big.NewInt(0)
|
|
one = big.NewInt(1)
|
|
two = big.NewInt(2)
|
|
)
|
|
|
|
// Partial transaction info obtained by ERC20Downloader.
|
|
// A PreloadedTransaction represents a Transaction which contains one or more
|
|
// ERC20/ERC721 transfer events.
|
|
// To be converted into one or many Transfer objects post-indexing.
|
|
type PreloadedTransaction struct {
|
|
NetworkID uint64
|
|
Type w_common.Type `json:"type"`
|
|
ID common.Hash `json:"-"`
|
|
Address common.Address `json:"address"`
|
|
BlockNumber *big.Int `json:"blockNumber"`
|
|
BlockHash common.Hash `json:"blockhash"`
|
|
Loaded bool
|
|
// From is derived from tx signature in order to offload this computation from UI component.
|
|
From common.Address `json:"from"`
|
|
// Log that was used to generate preloaded transaction.
|
|
Log *types.Log `json:"log"`
|
|
BaseGasFees string
|
|
}
|
|
|
|
// Transfer stores information about transfer.
|
|
// A Transfer represents a plain ETH transfer or some token activity inside a Transaction
|
|
type Transfer struct {
|
|
Type w_common.Type `json:"type"`
|
|
ID common.Hash `json:"-"`
|
|
Address common.Address `json:"address"`
|
|
BlockNumber *big.Int `json:"blockNumber"`
|
|
BlockHash common.Hash `json:"blockhash"`
|
|
Timestamp uint64 `json:"timestamp"`
|
|
Transaction *types.Transaction `json:"transaction"`
|
|
Loaded bool
|
|
NetworkID uint64
|
|
// From is derived from tx signature in order to offload this computation from UI component.
|
|
From common.Address `json:"from"`
|
|
Receipt *types.Receipt `json:"receipt"`
|
|
// Log that was used to generate erc20 transfer. Nil for eth transfer.
|
|
Log *types.Log `json:"log"`
|
|
BaseGasFees string
|
|
// Internal field that is used to track multi-transaction transfers.
|
|
MultiTransactionID MultiTransactionIDType `json:"multi_transaction_id"`
|
|
}
|
|
|
|
// ETHDownloader downloads regular eth transfers.
|
|
type ETHDownloader struct {
|
|
chainClient chain.ClientInterface
|
|
accounts []common.Address
|
|
signer types.Signer
|
|
db *Database
|
|
}
|
|
|
|
var errLogsDownloaderStuck = errors.New("logs downloader stuck")
|
|
|
|
func (d *ETHDownloader) GetTransfersByNumber(ctx context.Context, number *big.Int) ([]Transfer, error) {
|
|
blk, err := d.chainClient.BlockByNumber(ctx, number)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rst, err := d.getTransfersInBlock(ctx, blk, d.accounts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return rst, err
|
|
}
|
|
|
|
// Only used by status-mobile
|
|
func getTransferByHash(ctx context.Context, client chain.ClientInterface, signer types.Signer, address common.Address, hash common.Hash) (*Transfer, error) {
|
|
transaction, _, err := client.TransactionByHash(ctx, hash)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
receipt, err := client.TransactionReceipt(ctx, hash)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
eventType, transactionLog := w_common.GetFirstEvent(receipt.Logs)
|
|
transactionType := w_common.EventTypeToSubtransactionType(eventType)
|
|
|
|
from, err := types.Sender(signer, transaction)
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
baseGasFee, err := client.GetBaseFeeFromBlock(big.NewInt(int64(transactionLog.BlockNumber)))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
transfer := &Transfer{
|
|
Type: transactionType,
|
|
ID: hash,
|
|
Address: address,
|
|
BlockNumber: receipt.BlockNumber,
|
|
BlockHash: receipt.BlockHash,
|
|
Timestamp: uint64(time.Now().Unix()),
|
|
Transaction: transaction,
|
|
From: from,
|
|
Receipt: receipt,
|
|
Log: transactionLog,
|
|
BaseGasFees: baseGasFee,
|
|
}
|
|
|
|
return transfer, nil
|
|
}
|
|
|
|
func (d *ETHDownloader) getTransfersInBlock(ctx context.Context, blk *types.Block, accounts []common.Address) (rst []Transfer, err error) {
|
|
startTs := time.Now()
|
|
|
|
for _, address := range accounts {
|
|
// During block discovery, we should have populated the DB with 1 item per Transaction containing
|
|
// erc20/erc721 transfers
|
|
transactionsToLoad, err := d.db.GetTransactionsToLoad(d.chainClient.NetworkID(), address, blk.Number())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
areSubTxsCheckedForTxHash := make(map[common.Hash]bool)
|
|
|
|
for _, t := range transactionsToLoad {
|
|
subtransactions, err := d.subTransactionsFromTransactionHash(ctx, t.Log.TxHash, address)
|
|
if err != nil {
|
|
log.Error("can't fetch subTxs for erc20/erc721 transfer", "error", err)
|
|
return nil, err
|
|
}
|
|
rst = append(rst, subtransactions...)
|
|
areSubTxsCheckedForTxHash[t.Log.TxHash] = true
|
|
}
|
|
|
|
for _, tx := range blk.Transactions() {
|
|
if tx.ChainId().Cmp(big.NewInt(0)) != 0 && tx.ChainId().Cmp(d.chainClient.ToBigInt()) != 0 {
|
|
log.Info("chain id mismatch", "tx hash", tx.Hash(), "tx chain id", tx.ChainId(), "expected chain id", d.chainClient.NetworkID())
|
|
continue
|
|
}
|
|
from, err := types.Sender(d.signer, tx)
|
|
|
|
if err != nil {
|
|
if err == core.ErrTxTypeNotSupported {
|
|
log.Error("Tx Type not supported", "tx chain id", tx.ChainId(), "type", tx.Type(), "error", err)
|
|
continue
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
isPlainTransfer := from == address || (tx.To() != nil && *tx.To() == address)
|
|
mustCheckSubTxs := false
|
|
|
|
if !isPlainTransfer {
|
|
// We might miss some subTransactions of interest for some transaction types. We need to check if we
|
|
// find the address in the transaction data.
|
|
switch tx.Type() {
|
|
case types.DynamicFeeTxType, types.OptimismDepositTxType, types.ArbitrumDepositTxType, types.ArbitrumRetryTxType:
|
|
mustCheckSubTxs = !areSubTxsCheckedForTxHash[tx.Hash()] && w_common.TxDataContainsAddress(tx.Type(), tx.Data(), address)
|
|
}
|
|
}
|
|
|
|
if isPlainTransfer || mustCheckSubTxs {
|
|
receipt, err := d.chainClient.TransactionReceipt(ctx, tx.Hash())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
baseGasFee, err := d.chainClient.GetBaseFeeFromBlock(blk.Number())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Since we've already got the receipt, check for subTxs of
|
|
// interest in case we haven't already.
|
|
if !areSubTxsCheckedForTxHash[tx.Hash()] {
|
|
subtransactions, err := d.subTransactionsFromTransactionData(tx, receipt, blk, baseGasFee, address)
|
|
if err != nil {
|
|
log.Error("can't fetch subTxs for eth transfer", "error", err)
|
|
return nil, err
|
|
}
|
|
rst = append(rst, subtransactions...)
|
|
areSubTxsCheckedForTxHash[tx.Hash()] = true
|
|
}
|
|
|
|
// If it's a plain ETH transfer, add it to the list
|
|
if isPlainTransfer {
|
|
rst = append(rst, Transfer{
|
|
Type: w_common.EthTransfer,
|
|
NetworkID: tx.ChainId().Uint64(),
|
|
ID: tx.Hash(),
|
|
Address: address,
|
|
BlockNumber: blk.Number(),
|
|
BlockHash: receipt.BlockHash,
|
|
Timestamp: blk.Time(),
|
|
Transaction: tx,
|
|
From: from,
|
|
Receipt: receipt,
|
|
Log: nil,
|
|
BaseGasFees: baseGasFee,
|
|
MultiTransactionID: NoMultiTransactionID})
|
|
}
|
|
}
|
|
}
|
|
}
|
|
log.Debug("getTransfersInBlock found", "block", blk.Number(), "len", len(rst), "time", time.Since(startTs))
|
|
// TODO(dshulyak) test that balance difference was covered by transactions
|
|
return rst, nil
|
|
}
|
|
|
|
// NewERC20TransfersDownloader returns new instance.
|
|
func NewERC20TransfersDownloader(client chain.ClientInterface, accounts []common.Address, signer types.Signer, incomingOnly bool) *ERC20TransfersDownloader {
|
|
signature := w_common.GetEventSignatureHash(w_common.Erc20_721TransferEventSignature)
|
|
|
|
return &ERC20TransfersDownloader{
|
|
client: client,
|
|
accounts: accounts,
|
|
signature: signature,
|
|
incomingOnly: incomingOnly,
|
|
signatureErc1155Single: w_common.GetEventSignatureHash(w_common.Erc1155TransferSingleEventSignature),
|
|
signatureErc1155Batch: w_common.GetEventSignatureHash(w_common.Erc1155TransferBatchEventSignature),
|
|
signer: signer,
|
|
}
|
|
}
|
|
|
|
// ERC20TransfersDownloader is a downloader for erc20 and erc721 tokens transfers.
|
|
// Since both transaction types share the same signature, both will be assigned
|
|
// type Erc20Transfer. Until the downloader gets refactored and a migration of the
|
|
// database gets implemented, differentiation between erc20 and erc721 will handled
|
|
// in the controller.
|
|
type ERC20TransfersDownloader struct {
|
|
client chain.ClientInterface
|
|
accounts []common.Address
|
|
incomingOnly bool
|
|
|
|
// hash of the Transfer event signature
|
|
signature common.Hash
|
|
signatureErc1155Single common.Hash
|
|
signatureErc1155Batch common.Hash
|
|
|
|
// signer is used to derive tx sender from tx signature
|
|
signer types.Signer
|
|
}
|
|
|
|
func (d *ERC20TransfersDownloader) paddedAddress(address common.Address) common.Hash {
|
|
rst := common.Hash{}
|
|
copy(rst[12:], address[:])
|
|
return rst
|
|
}
|
|
|
|
func (d *ERC20TransfersDownloader) inboundTopics(address common.Address) [][]common.Hash {
|
|
return [][]common.Hash{{d.signature}, {}, {d.paddedAddress(address)}}
|
|
}
|
|
|
|
func (d *ERC20TransfersDownloader) outboundTopics(address common.Address) [][]common.Hash {
|
|
return [][]common.Hash{{d.signature}, {d.paddedAddress(address)}, {}}
|
|
}
|
|
|
|
func (d *ERC20TransfersDownloader) inboundERC20OutboundERC1155Topics(address common.Address) [][]common.Hash {
|
|
return [][]common.Hash{{d.signature, d.signatureErc1155Single}, {}, {d.paddedAddress(address)}}
|
|
}
|
|
|
|
func (d *ERC20TransfersDownloader) inboundTopicsERC1155Single(address common.Address) [][]common.Hash {
|
|
return [][]common.Hash{{d.signatureErc1155Single}, {}, {}, {d.paddedAddress(address)}}
|
|
}
|
|
|
|
func (d *ETHDownloader) subTransactionsFromTransactionHash(parent context.Context, txHash common.Hash, address common.Address) ([]Transfer, error) {
|
|
ctx, cancel := context.WithTimeout(parent, 3*time.Second)
|
|
tx, _, err := d.chainClient.TransactionByHash(ctx, txHash)
|
|
cancel()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ctx, cancel = context.WithTimeout(parent, 3*time.Second)
|
|
receipt, err := d.chainClient.TransactionReceipt(ctx, txHash)
|
|
cancel()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ctx, cancel = context.WithTimeout(parent, 3*time.Second)
|
|
blk, err := d.chainClient.BlockByHash(ctx, receipt.BlockHash)
|
|
cancel()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
baseGasFee, err := d.chainClient.GetBaseFeeFromBlock(receipt.BlockNumber)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return d.subTransactionsFromTransactionData(tx, receipt, blk, baseGasFee, address)
|
|
}
|
|
|
|
func (d *ETHDownloader) subTransactionsFromTransactionData(tx *types.Transaction, receipt *types.Receipt, blk *types.Block, baseGasFee string, address common.Address) ([]Transfer, error) {
|
|
from, err := types.Sender(d.signer, tx)
|
|
if err != nil {
|
|
if err == core.ErrTxTypeNotSupported {
|
|
return nil, nil
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
rst := make([]Transfer, 0, len(receipt.Logs))
|
|
for _, log := range receipt.Logs {
|
|
eventType := w_common.GetEventType(log)
|
|
// Only add ERC20/ERC721/ERC1155 transfers from/to the given account
|
|
// Other types of events get always added
|
|
mustAppend := false
|
|
switch eventType {
|
|
case w_common.Erc20TransferEventType:
|
|
trFrom, trTo, _ := w_common.ParseErc20TransferLog(log)
|
|
if trFrom == address || trTo == address {
|
|
mustAppend = true
|
|
}
|
|
case w_common.Erc721TransferEventType:
|
|
trFrom, trTo, _ := w_common.ParseErc721TransferLog(log)
|
|
if trFrom == address || trTo == address {
|
|
mustAppend = true
|
|
}
|
|
case w_common.Erc1155TransferSingleEventType:
|
|
_, trFrom, trTo, _, _ := w_common.ParseErc1155TransferSingleLog(log)
|
|
if trFrom == address || trTo == address {
|
|
mustAppend = true
|
|
}
|
|
case w_common.UniswapV2SwapEventType, w_common.UniswapV3SwapEventType:
|
|
mustAppend = true
|
|
case w_common.HopBridgeTransferSentToL2EventType, w_common.HopBridgeTransferFromL1CompletedEventType:
|
|
mustAppend = true
|
|
case w_common.HopBridgeWithdrawalBondedEventType, w_common.HopBridgeTransferSentEventType:
|
|
mustAppend = true
|
|
}
|
|
if mustAppend {
|
|
transfer := Transfer{
|
|
Type: w_common.EventTypeToSubtransactionType(eventType),
|
|
ID: getLogSubTxID(*log),
|
|
Address: address,
|
|
BlockNumber: new(big.Int).SetUint64(log.BlockNumber),
|
|
BlockHash: log.BlockHash,
|
|
Loaded: true,
|
|
NetworkID: d.signer.ChainID().Uint64(),
|
|
From: from,
|
|
Log: log,
|
|
BaseGasFees: baseGasFee,
|
|
Transaction: tx,
|
|
Receipt: receipt,
|
|
Timestamp: blk.Time(),
|
|
MultiTransactionID: NoMultiTransactionID,
|
|
}
|
|
|
|
rst = append(rst, transfer)
|
|
}
|
|
}
|
|
|
|
return rst, nil
|
|
}
|
|
|
|
func (d *ERC20TransfersDownloader) blocksFromLogs(parent context.Context, logs []types.Log, address common.Address) ([]*DBHeader, error) {
|
|
concurrent := NewConcurrentDownloader(parent, NoThreadLimit)
|
|
for i := range logs {
|
|
l := logs[i]
|
|
|
|
if l.Removed {
|
|
continue
|
|
}
|
|
|
|
id := getLogSubTxID(l)
|
|
baseGasFee, err := d.client.GetBaseFeeFromBlock(new(big.Int).SetUint64(l.BlockNumber))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
logType := w_common.EventTypeToSubtransactionType(w_common.GetEventType(&l))
|
|
log.Debug("block from logs", "block", l.BlockNumber, "log", l, "logType", logType, "address", address, "id", id)
|
|
|
|
if logType != w_common.Erc1155SingleTransfer && logType != w_common.Erc1155BatchTransfer {
|
|
logType = w_common.Erc20Transfer
|
|
}
|
|
|
|
header := &DBHeader{
|
|
Number: big.NewInt(int64(l.BlockNumber)),
|
|
Hash: l.BlockHash,
|
|
PreloadedTransactions: []*PreloadedTransaction{{
|
|
Address: address,
|
|
BlockNumber: big.NewInt(int64(l.BlockNumber)),
|
|
BlockHash: l.BlockHash,
|
|
ID: id,
|
|
From: address,
|
|
Loaded: false,
|
|
Type: logType,
|
|
Log: &l,
|
|
BaseGasFees: baseGasFee,
|
|
}},
|
|
Loaded: false,
|
|
}
|
|
|
|
concurrent.Add(func(ctx context.Context) error {
|
|
concurrent.PushHeader(header)
|
|
return nil
|
|
})
|
|
}
|
|
select {
|
|
case <-concurrent.WaitAsync():
|
|
case <-parent.Done():
|
|
return nil, errLogsDownloaderStuck
|
|
}
|
|
return concurrent.GetHeaders(), concurrent.Error()
|
|
}
|
|
|
|
// GetHeadersInRange returns transfers between two blocks.
|
|
// time to get logs for 100000 blocks = 1.144686979s. with 249 events in the result set.
|
|
func (d *ERC20TransfersDownloader) GetHeadersInRange(parent context.Context, from, to *big.Int) ([]*DBHeader, error) {
|
|
start := time.Now()
|
|
log.Debug("get erc20 transfers in range start", "chainID", d.client.NetworkID(), "from", from, "to", to)
|
|
headers := []*DBHeader{}
|
|
ctx := context.Background()
|
|
var err error
|
|
for _, address := range d.accounts {
|
|
outbound := []types.Log{}
|
|
var inboundOrMixed []types.Log // inbound ERC20 or outbound ERC1155 share the same signature for our purposes
|
|
if !d.incomingOnly {
|
|
outbound, err = d.client.FilterLogs(ctx, ethereum.FilterQuery{
|
|
FromBlock: from,
|
|
ToBlock: to,
|
|
Topics: d.outboundTopics(address),
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
inboundOrMixed, err = d.client.FilterLogs(ctx, ethereum.FilterQuery{
|
|
FromBlock: from,
|
|
ToBlock: to,
|
|
Topics: d.inboundERC20OutboundERC1155Topics(address),
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
} else {
|
|
inboundOrMixed, err = d.client.FilterLogs(ctx, ethereum.FilterQuery{
|
|
FromBlock: from,
|
|
ToBlock: to,
|
|
Topics: d.inboundTopics(address),
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
inbound1155, err := d.client.FilterLogs(ctx, ethereum.FilterQuery{
|
|
FromBlock: from,
|
|
ToBlock: to,
|
|
Topics: d.inboundTopicsERC1155Single(address),
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
logs := concatLogs(outbound, inboundOrMixed, inbound1155)
|
|
|
|
if len(logs) == 0 {
|
|
log.Debug("no logs found for account")
|
|
continue
|
|
}
|
|
|
|
rst, err := d.blocksFromLogs(parent, logs, address)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(rst) == 0 {
|
|
log.Warn("no headers found in logs for account", "chainID", d.client.NetworkID(), "address", address, "from", from, "to", to)
|
|
continue
|
|
} else {
|
|
headers = append(headers, rst...)
|
|
log.Debug("found erc20 transfers for account", "chainID", d.client.NetworkID(), "address", address,
|
|
"from", from, "to", to, "headers", len(headers))
|
|
}
|
|
}
|
|
|
|
log.Debug("get erc20 transfers in range end", "chainID", d.client.NetworkID(),
|
|
"from", from, "to", to, "headers", len(headers), "took", time.Since(start))
|
|
return headers, nil
|
|
}
|
|
|
|
func concatLogs(slices ...[]types.Log) []types.Log {
|
|
var totalLen int
|
|
for _, s := range slices {
|
|
totalLen += len(s)
|
|
}
|
|
tmp := make([]types.Log, totalLen)
|
|
var i int
|
|
for _, s := range slices {
|
|
i += copy(tmp[i:], s)
|
|
}
|
|
|
|
return tmp
|
|
}
|