507 lines
13 KiB
Go
507 lines
13 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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"github.com/ethereum/go-ethereum/common"
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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/services/wallet/bigint"
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"github.com/status-im/status-go/services/wallet/chain"
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)
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type BlocksRange struct {
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from *big.Int
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to *big.Int
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}
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type LastKnownBlock struct {
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Number *big.Int
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Balance *big.Int
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Nonce *int64
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}
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type LastKnownBlockView struct {
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Address common.Address `json:"address"`
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Number *big.Int `json:"blockNumber"`
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Balance bigint.BigInt `json:"balance"`
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Nonce *int64 `json:"nonce"`
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}
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func blocksToViews(blocks map[common.Address]*LastKnownBlock) []LastKnownBlockView {
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blocksViews := []LastKnownBlockView{}
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for address, block := range blocks {
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view := LastKnownBlockView{
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Address: address,
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Number: block.Number,
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Balance: bigint.BigInt{Int: block.Balance},
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Nonce: block.Nonce,
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}
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blocksViews = append(blocksViews, view)
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}
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return blocksViews
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}
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type Block struct {
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db *sql.DB
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}
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// MergeBlocksRanges merge old blocks ranges if possible
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func (b *Block) mergeBlocksRanges(chainIDs []uint64, accounts []common.Address) error {
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for _, chainID := range chainIDs {
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for _, account := range accounts {
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err := b.mergeRanges(chainID, account)
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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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}
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return nil
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}
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func (b *Block) setInitialBlocksRange(chainClient *chain.Client) error {
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accountsDB, err := accounts.NewDB(b.db)
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if err != nil {
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return err
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}
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watchAddress, err := accountsDB.GetWalletAddress()
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if err != nil {
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return err
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}
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from := big.NewInt(0)
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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header, err := chainClient.HeaderByNumber(ctx, nil)
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if err != nil {
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return err
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}
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err = b.insertRange(chainClient.ChainID, common.Address(watchAddress), from, header.Number, big.NewInt(0), 0)
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if err != nil {
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return err
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}
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return nil
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}
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func (b *Block) mergeRanges(chainID uint64, account common.Address) (err error) {
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var (
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tx *sql.Tx
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)
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ranges, err := b.getOldRanges(chainID, account)
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if err != nil {
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return err
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}
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log.Info("merge old ranges", "account", account, "network", chainID, "ranges", len(ranges))
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if len(ranges) <= 1 {
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return nil
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}
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tx, err = b.db.Begin()
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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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err = tx.Commit()
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return
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}
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_ = tx.Rollback()
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}()
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newRanges, deletedRanges := getNewRanges(ranges)
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for _, rangeToDelete := range deletedRanges {
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err = deleteRange(chainID, tx, account, rangeToDelete.from, rangeToDelete.to)
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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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for _, newRange := range newRanges {
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err = insertRange(chainID, tx, account, newRange.from, newRange.to)
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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 (b *Block) insertRange(chainID uint64, account common.Address, from, to, balance *big.Int, nonce uint64) error {
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log.Debug("insert blocks range", "account", account, "network id", chainID, "from", from, "to", to, "balance", balance, "nonce", nonce)
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insert, err := b.db.Prepare("INSERT INTO blocks_ranges (network_id, address, blk_from, blk_to, balance, nonce) VALUES (?, ?, ?, ?, ?, ?)")
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if err != nil {
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return err
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}
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_, err = insert.Exec(chainID, account, (*bigint.SQLBigInt)(from), (*bigint.SQLBigInt)(to), (*bigint.SQLBigIntBytes)(balance), &nonce)
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return err
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}
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func (b *Block) getOldRanges(chainID uint64, account common.Address) ([]*BlocksRange, error) {
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query := `select blk_from, blk_to from blocks_ranges
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where address = ?
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and network_id = ?
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order by blk_from`
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rows, err := b.db.Query(query, account, chainID)
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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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ranges := []*BlocksRange{}
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for rows.Next() {
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from := &big.Int{}
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to := &big.Int{}
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err = rows.Scan((*bigint.SQLBigInt)(from), (*bigint.SQLBigInt)(to))
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if err != nil {
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return nil, err
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}
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ranges = append(ranges, &BlocksRange{
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from: from,
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to: to,
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})
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}
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return ranges, nil
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}
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// GetBlocksByAddress loads blocks for a given address.
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func (b *Block) GetBlocksByAddress(chainID uint64, address common.Address, limit int) (rst []*big.Int, err error) {
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query := `SELECT blk_number FROM blocks
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WHERE address = ? AND network_id = ? AND loaded = 0
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ORDER BY blk_number DESC
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LIMIT ?`
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rows, err := b.db.Query(query, address, chainID, limit)
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if err != nil {
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return
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}
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defer rows.Close()
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for rows.Next() {
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block := &big.Int{}
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err = rows.Scan((*bigint.SQLBigInt)(block))
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if err != nil {
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return nil, err
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}
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rst = append(rst, block)
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}
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return rst, nil
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}
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func (b *Block) RemoveBlockWithTransfer(chainID uint64, address common.Address, block *big.Int) error {
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query := `DELETE FROM blocks
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WHERE address = ?
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AND blk_number = ?
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AND network_id = ?`
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_, err := b.db.Exec(query, address, (*bigint.SQLBigInt)(block), chainID)
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if err != nil {
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return err
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}
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return nil
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}
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func (b *Block) GetLastBlockByAddress(chainID uint64, address common.Address, limit int) (rst *big.Int, err error) {
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query := `SELECT * FROM
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(SELECT blk_number FROM blocks WHERE address = ? AND network_id = ? ORDER BY blk_number DESC LIMIT ?)
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ORDER BY blk_number LIMIT 1`
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rows, err := b.db.Query(query, address, chainID, limit)
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if err != nil {
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return
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}
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defer rows.Close()
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if rows.Next() {
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block := &big.Int{}
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err = rows.Scan((*bigint.SQLBigInt)(block))
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if err != nil {
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return nil, err
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}
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return block, nil
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}
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return nil, nil
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}
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func (b *Block) GetLastSavedBlock(chainID uint64) (rst *DBHeader, err error) {
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query := `SELECT blk_number, blk_hash
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FROM blocks
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WHERE network_id = ?
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ORDER BY blk_number DESC LIMIT 1`
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rows, err := b.db.Query(query, chainID)
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if err != nil {
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return
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}
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defer rows.Close()
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if rows.Next() {
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header := &DBHeader{Hash: common.Hash{}, Number: new(big.Int)}
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err = rows.Scan((*bigint.SQLBigInt)(header.Number), &header.Hash)
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if err != nil {
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return nil, err
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}
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return header, nil
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}
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return nil, nil
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}
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func (b *Block) GetBlocks(chainID uint64) (rst []*DBHeader, err error) {
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query := `SELECT blk_number, blk_hash, address FROM blocks`
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rows, err := b.db.Query(query, chainID)
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if err != nil {
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return
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}
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defer rows.Close()
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rst = []*DBHeader{}
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for rows.Next() {
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header := &DBHeader{Hash: common.Hash{}, Number: new(big.Int)}
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err = rows.Scan((*bigint.SQLBigInt)(header.Number), &header.Hash, &header.Address)
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if err != nil {
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return nil, err
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}
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rst = append(rst, header)
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}
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return rst, nil
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}
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func (b *Block) GetLastSavedBlockBefore(chainID uint64, block *big.Int) (rst *DBHeader, err error) {
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query := `SELECT blk_number, blk_hash
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FROM blocks
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WHERE network_id = ? AND blk_number < ?
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ORDER BY blk_number DESC LIMIT 1`
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rows, err := b.db.Query(query, chainID, (*bigint.SQLBigInt)(block))
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if err != nil {
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return
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}
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defer rows.Close()
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if rows.Next() {
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header := &DBHeader{Hash: common.Hash{}, Number: new(big.Int)}
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err = rows.Scan((*bigint.SQLBigInt)(header.Number), &header.Hash)
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if err != nil {
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return nil, err
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}
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return header, nil
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}
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return nil, nil
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}
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func (b *Block) GetFirstKnownBlock(chainID uint64, address common.Address) (rst *big.Int, err error) {
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query := `SELECT blk_from FROM blocks_ranges
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WHERE address = ?
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AND network_id = ?
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ORDER BY blk_from
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LIMIT 1`
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rows, err := b.db.Query(query, address, chainID)
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if err != nil {
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return
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}
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defer rows.Close()
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if rows.Next() {
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block := &big.Int{}
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err = rows.Scan((*bigint.SQLBigInt)(block))
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if err != nil {
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return nil, err
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}
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return block, nil
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}
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return nil, nil
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}
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func (b *Block) GetLastKnownBlockByAddress(chainID uint64, address common.Address) (block *LastKnownBlock, err error) {
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query := `SELECT blk_to, balance, nonce FROM blocks_ranges
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WHERE address = ?
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AND network_id = ?
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ORDER BY blk_to DESC
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LIMIT 1`
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rows, err := b.db.Query(query, address, chainID)
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if err != nil {
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return
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}
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defer rows.Close()
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if rows.Next() {
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var nonce sql.NullInt64
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block = &LastKnownBlock{Number: &big.Int{}, Balance: &big.Int{}}
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err = rows.Scan((*bigint.SQLBigInt)(block.Number), (*bigint.SQLBigIntBytes)(block.Balance), &nonce)
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if err != nil {
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return nil, err
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}
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if nonce.Valid {
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block.Nonce = &nonce.Int64
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}
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return block, nil
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}
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return nil, nil
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}
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func (b *Block) getLastKnownBalances(chainID uint64, addresses []common.Address) (map[common.Address]*LastKnownBlock, error) {
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result := map[common.Address]*LastKnownBlock{}
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for _, address := range addresses {
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block, error := b.GetLastKnownBlockByAddress(chainID, address)
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if error != nil {
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return nil, error
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}
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if block != nil {
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result[address] = block
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}
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}
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return result, nil
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}
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func (b *Block) GetLastKnownBlockByAddresses(chainID uint64, addresses []common.Address) (map[common.Address]*LastKnownBlock, []common.Address, error) {
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res := map[common.Address]*LastKnownBlock{}
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accountsWithoutHistory := []common.Address{}
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for _, address := range addresses {
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block, err := b.GetLastKnownBlockByAddress(chainID, address)
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if err != nil {
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log.Info("Can't get last block", "error", err)
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return nil, nil, err
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}
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if block != nil {
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res[address] = block
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} else {
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accountsWithoutHistory = append(accountsWithoutHistory, address)
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}
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}
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return res, accountsWithoutHistory, nil
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}
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func getNewRanges(ranges []*BlocksRange) ([]*BlocksRange, []*BlocksRange) {
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initValue := big.NewInt(-1)
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prevFrom := big.NewInt(-1)
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prevTo := big.NewInt(-1)
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hasMergedRanges := false
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var newRanges []*BlocksRange
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var deletedRanges []*BlocksRange
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for idx, blocksRange := range ranges {
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if prevTo.Cmp(initValue) == 0 {
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prevTo = blocksRange.to
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prevFrom = blocksRange.from
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} else if prevTo.Cmp(blocksRange.from) >= 0 {
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hasMergedRanges = true
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deletedRanges = append(deletedRanges, ranges[idx-1])
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if prevTo.Cmp(blocksRange.to) <= 0 {
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prevTo = blocksRange.to
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}
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} else {
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if hasMergedRanges {
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deletedRanges = append(deletedRanges, ranges[idx-1])
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newRanges = append(newRanges, &BlocksRange{
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from: prevFrom,
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to: prevTo,
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})
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}
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log.Info("blocks ranges gap detected", "from", prevTo, "to", blocksRange.from)
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hasMergedRanges = false
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prevFrom = blocksRange.from
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prevTo = blocksRange.to
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}
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}
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if hasMergedRanges {
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deletedRanges = append(deletedRanges, ranges[len(ranges)-1])
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newRanges = append(newRanges, &BlocksRange{
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from: prevFrom,
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to: prevTo,
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})
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}
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return newRanges, deletedRanges
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}
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func deleteRange(chainID uint64, creator statementCreator, account common.Address, from *big.Int, to *big.Int) error {
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log.Info("delete blocks range", "account", account, "network", chainID, "from", from, "to", to)
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delete, err := creator.Prepare(`DELETE FROM blocks_ranges
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WHERE address = ?
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AND network_id = ?
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AND blk_from = ?
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AND blk_to = ?`)
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if err != nil {
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log.Info("some error", "error", err)
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return err
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}
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_, err = delete.Exec(account, chainID, (*bigint.SQLBigInt)(from), (*bigint.SQLBigInt)(to))
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return err
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}
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func insertRange(chainID uint64, creator statementCreator, account common.Address, from *big.Int, to *big.Int) error {
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log.Info("insert blocks range", "account", account, "network", chainID, "from", from, "to", to)
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insert, err := creator.Prepare("INSERT INTO blocks_ranges (network_id, address, blk_from, blk_to) VALUES (?, ?, ?, ?)")
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if err != nil {
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return err
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}
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_, err = insert.Exec(chainID, account, (*bigint.SQLBigInt)(from), (*bigint.SQLBigInt)(to))
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return err
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}
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func upsertRange(chainID uint64, creator statementCreator, account common.Address, from *big.Int, to *LastKnownBlock) (err error) {
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log.Debug("upsert blocks range", "account", account, "network id", chainID, "from", from, "to", to.Number, "balance", to.Balance)
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update, err := creator.Prepare(`UPDATE blocks_ranges
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SET blk_to = ?, balance = ?, nonce = ?
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WHERE address = ?
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AND network_id = ?
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AND blk_to = ?`)
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if err != nil {
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return err
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}
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res, err := update.Exec((*bigint.SQLBigInt)(to.Number), (*bigint.SQLBigIntBytes)(to.Balance), to.Nonce, account, chainID, (*bigint.SQLBigInt)(from))
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if err != nil {
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return err
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}
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affected, err := res.RowsAffected()
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if err != nil {
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return err
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}
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if affected == 0 {
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insert, err := creator.Prepare("INSERT INTO blocks_ranges (network_id, address, blk_from, blk_to, balance, nonce) VALUES (?, ?, ?, ?, ?, ?)")
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if err != nil {
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return err
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}
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_, err = insert.Exec(chainID, account, (*bigint.SQLBigInt)(from), (*bigint.SQLBigInt)(to.Number), (*bigint.SQLBigIntBytes)(to.Balance), to.Nonce)
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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
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}
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