364 lines
11 KiB
Go
364 lines
11 KiB
Go
package transactions
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"math/big"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/common"
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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/rpcfilters"
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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/bigint"
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"github.com/status-im/status-go/services/wallet/walletevent"
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)
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const (
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// PendingTransactionUpdate is emitted when a pending transaction is updated (added or deleted)
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EventPendingTransactionUpdate walletevent.EventType = "pending-transaction-update"
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)
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type TransactionManager struct {
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db *sql.DB
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pendingTxEvent rpcfilters.ChainEvent
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eventFeed *event.Feed
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quit chan struct{}
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}
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func NewTransactionManager(db *sql.DB, pendingTxEvent rpcfilters.ChainEvent, eventFeed *event.Feed) *TransactionManager {
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return &TransactionManager{
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db: db,
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eventFeed: eventFeed,
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pendingTxEvent: pendingTxEvent,
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}
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}
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func (tm *TransactionManager) Start() error {
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if tm.quit != nil {
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return errors.New("latest transaction sent to upstream event is already started")
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}
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tm.quit = make(chan struct{})
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go func() {
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_, chi := tm.pendingTxEvent.Subscribe()
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ch, ok := chi.(chan *rpcfilters.PendingTxInfo)
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if !ok {
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panic("pendingTxEvent returned wront type of channel")
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}
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for {
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select {
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case tx := <-ch:
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log.Info("Pending transaction event received", tx)
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err := tm.AddPending(&PendingTransaction{
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Hash: tx.Hash,
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Timestamp: uint64(time.Now().Unix()),
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From: tx.From,
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ChainID: tx.ChainID,
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})
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if err != nil {
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log.Error("Failed to add pending transaction", "error", err, "hash", tx.Hash,
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"chainID", tx.ChainID)
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}
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case <-tm.quit:
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return
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}
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}
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}()
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return tm.pendingTxEvent.Start()
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}
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func (tm *TransactionManager) Stop() {
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if tm.quit == nil {
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return
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}
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select {
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case <-tm.quit:
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return
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default:
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close(tm.quit)
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}
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tm.quit = nil
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}
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type PendingTrxType string
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const (
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RegisterENS PendingTrxType = "RegisterENS"
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ReleaseENS PendingTrxType = "ReleaseENS"
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SetPubKey PendingTrxType = "SetPubKey"
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BuyStickerPack PendingTrxType = "BuyStickerPack"
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WalletTransfer PendingTrxType = "WalletTransfer"
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CollectibleDeployment PendingTrxType = "CollectibleDeployment"
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CollectibleAirdrop PendingTrxType = "CollectibleAirdrop"
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CollectibleRemoteSelfDestruct PendingTrxType = "CollectibleRemoteSelfDestruct"
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CollectibleBurn PendingTrxType = "CollectibleBurn"
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)
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type PendingTransaction struct {
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Hash common.Hash `json:"hash"`
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Timestamp uint64 `json:"timestamp"`
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Value bigint.BigInt `json:"value"`
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From common.Address `json:"from"`
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To common.Address `json:"to"`
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Data string `json:"data"`
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Symbol string `json:"symbol"`
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GasPrice bigint.BigInt `json:"gasPrice"`
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GasLimit bigint.BigInt `json:"gasLimit"`
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Type PendingTrxType `json:"type"`
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AdditionalData string `json:"additionalData"`
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ChainID uint64 `json:"network_id"`
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MultiTransactionID int64 `json:"multi_transaction_id"`
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}
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const selectFromPending = `SELECT hash, timestamp, value, from_address, to_address, data,
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symbol, gas_price, gas_limit, type, additional_data,
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network_id, COALESCE(multi_transaction_id, 0)
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FROM pending_transactions
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`
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func rowsToTransactions(rows *sql.Rows) (transactions []*PendingTransaction, err error) {
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for rows.Next() {
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transaction := &PendingTransaction{
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Value: bigint.BigInt{Int: new(big.Int)},
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GasPrice: bigint.BigInt{Int: new(big.Int)},
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GasLimit: bigint.BigInt{Int: new(big.Int)},
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}
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err := rows.Scan(&transaction.Hash,
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&transaction.Timestamp,
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(*bigint.SQLBigIntBytes)(transaction.Value.Int),
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&transaction.From,
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&transaction.To,
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&transaction.Data,
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&transaction.Symbol,
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(*bigint.SQLBigIntBytes)(transaction.GasPrice.Int),
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(*bigint.SQLBigIntBytes)(transaction.GasLimit.Int),
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&transaction.Type,
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&transaction.AdditionalData,
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&transaction.ChainID,
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&transaction.MultiTransactionID,
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)
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if err != nil {
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return nil, err
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}
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transactions = append(transactions, transaction)
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}
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return transactions, nil
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}
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func (tm *TransactionManager) GetAllPending(chainIDs []uint64) ([]*PendingTransaction, error) {
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log.Info("Getting all pending transactions", "chainIDs", chainIDs)
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if len(chainIDs) == 0 {
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return nil, errors.New("at least 1 chainID is required")
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}
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inVector := strings.Repeat("?, ", len(chainIDs)-1) + "?"
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var parameters []interface{}
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for _, c := range chainIDs {
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parameters = append(parameters, c)
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}
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rows, err := tm.db.Query(fmt.Sprintf(selectFromPending+"WHERE network_id in (%s)", inVector), parameters...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return rowsToTransactions(rows)
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}
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func (tm *TransactionManager) GetPendingByAddress(chainIDs []uint64, address common.Address) ([]*PendingTransaction, error) {
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log.Info("Getting pending transaction by address", "chainIDs", chainIDs, "address", address)
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if len(chainIDs) == 0 {
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return nil, errors.New("at least 1 chainID is required")
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}
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inVector := strings.Repeat("?, ", len(chainIDs)-1) + "?"
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var parameters []interface{}
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for _, c := range chainIDs {
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parameters = append(parameters, c)
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}
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parameters = append(parameters, address)
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rows, err := tm.db.Query(fmt.Sprintf(selectFromPending+"WHERE network_id in (%s) AND from_address = ?", inVector), parameters...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return rowsToTransactions(rows)
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}
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// GetPendingEntry returns sql.ErrNoRows if no pending transaction is found for the given identity
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// TODO: consider using address also in case we expect to have also for the receiver
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func (tm *TransactionManager) GetPendingEntry(chainID uint64, hash common.Hash) (*PendingTransaction, error) {
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log.Info("Getting pending transaction", "chainID", chainID, "hash", hash)
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row := tm.db.QueryRow(`SELECT timestamp, value, from_address, to_address, data,
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symbol, gas_price, gas_limit, type, additional_data,
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network_id, COALESCE(multi_transaction_id, 0)
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FROM pending_transactions
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WHERE network_id = ? AND hash = ?`, chainID, hash)
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transaction := &PendingTransaction{
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Hash: hash,
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Value: bigint.BigInt{Int: new(big.Int)},
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GasPrice: bigint.BigInt{Int: new(big.Int)},
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GasLimit: bigint.BigInt{Int: new(big.Int)},
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ChainID: chainID,
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}
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err := row.Scan(
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&transaction.Timestamp,
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(*bigint.SQLBigIntBytes)(transaction.Value.Int),
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&transaction.From,
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&transaction.To,
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&transaction.Data,
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&transaction.Symbol,
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(*bigint.SQLBigIntBytes)(transaction.GasPrice.Int),
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(*bigint.SQLBigIntBytes)(transaction.GasLimit.Int),
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&transaction.Type,
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&transaction.AdditionalData,
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&transaction.ChainID,
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&transaction.MultiTransactionID,
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)
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if err != nil {
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return nil, err
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}
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return transaction, nil
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}
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func (tm *TransactionManager) AddPending(transaction *PendingTransaction) error {
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insert, err := tm.db.Prepare(`INSERT OR REPLACE INTO pending_transactions
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(network_id, hash, timestamp, value, from_address, to_address,
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data, symbol, gas_price, gas_limit, type, additional_data, multi_transaction_id)
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VALUES
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(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`)
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if err != nil {
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return err
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}
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_, err = insert.Exec(
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transaction.ChainID,
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transaction.Hash,
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transaction.Timestamp,
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(*bigint.SQLBigIntBytes)(transaction.Value.Int),
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transaction.From,
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transaction.To,
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transaction.Data,
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transaction.Symbol,
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(*bigint.SQLBigIntBytes)(transaction.GasPrice.Int),
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(*bigint.SQLBigIntBytes)(transaction.GasLimit.Int),
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transaction.Type,
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transaction.AdditionalData,
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transaction.MultiTransactionID,
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)
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// Notify listeners of new pending transaction (used in activity history)
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if err == nil {
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tm.notifyPendingTransactionListeners(transaction.ChainID, []common.Address{transaction.From, transaction.To}, transaction.Timestamp)
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}
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return err
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}
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func (tm *TransactionManager) notifyPendingTransactionListeners(chainID uint64, addresses []common.Address, timestamp uint64) {
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if tm.eventFeed != nil {
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tm.eventFeed.Send(walletevent.Event{
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Type: EventPendingTransactionUpdate,
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ChainID: chainID,
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Accounts: addresses,
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At: int64(timestamp),
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})
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}
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}
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func (tm *TransactionManager) deletePending(chainID uint64, hash common.Hash) error {
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tx, err := tm.db.BeginTx(context.Background(), nil)
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if err != nil {
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return err
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}
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defer func() {
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if err != nil {
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_ = tx.Rollback()
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}
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}()
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row := tx.QueryRow(`SELECT from_address, to_address, timestamp FROM pending_transactions WHERE network_id = ? AND hash = ?`, chainID, hash)
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var from, to common.Address
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var timestamp uint64
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err = row.Scan(&from, &to, ×tamp)
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if err != nil {
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return err
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}
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_, err = tx.Exec(`DELETE FROM pending_transactions WHERE network_id = ? AND hash = ?`, chainID, hash)
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if err != nil {
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return err
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}
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err = tx.Commit()
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if err == nil {
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tm.notifyPendingTransactionListeners(chainID, []common.Address{from, to}, timestamp)
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}
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return err
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}
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func (tm *TransactionManager) Watch(ctx context.Context, transactionHash common.Hash, client *chain.ClientWithFallback) error {
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log.Info("Watching transaction", "chainID", client.ChainID, "hash", transactionHash)
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watchTxCommand := &watchTransactionCommand{
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hash: transactionHash,
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client: client,
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}
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commandContext, cancel := context.WithTimeout(ctx, 10*time.Minute)
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defer cancel()
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err := watchTxCommand.Command()(commandContext)
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if err != nil {
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log.Error("watchTxCommand error", "error", err, "chainID", client.ChainID, "hash", transactionHash)
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return err
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}
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return tm.deletePending(client.ChainID, transactionHash)
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}
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type watchTransactionCommand struct {
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client *chain.ClientWithFallback
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hash common.Hash
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}
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func (c *watchTransactionCommand) Command() async.Command {
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return async.FiniteCommand{
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Interval: 10 * time.Second,
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Runable: c.Run,
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}.Run
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}
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func (c *watchTransactionCommand) Run(ctx context.Context) error {
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requestContext, cancel := context.WithTimeout(ctx, 10*time.Second)
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defer cancel()
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_, isPending, err := c.client.TransactionByHash(requestContext, c.hash)
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if err != nil {
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log.Error("Watching transaction error", "error", err)
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return err
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}
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if isPending {
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return errors.New("transaction is pending")
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}
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return nil
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}
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