280 lines
9.6 KiB
Go
280 lines
9.6 KiB
Go
package transfer
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import (
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"database/sql"
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"math/big"
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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/services/wallet/bigint"
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)
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type BlockRangeDAOer interface {
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getBlockRange(chainID uint64, address common.Address) (blockRange *ethTokensBlockRanges, exists bool, err error)
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getBlockRanges(chainID uint64, addresses []common.Address) (blockRanges map[common.Address]*ethTokensBlockRanges, err error)
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upsertRange(chainID uint64, account common.Address, newBlockRange *ethTokensBlockRanges) (err error)
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updateTokenRange(chainID uint64, account common.Address, newBlockRange *BlockRange) (err error)
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upsertEthRange(chainID uint64, account common.Address, newBlockRange *BlockRange) (err error)
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}
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type BlockRangeSequentialDAO struct {
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db *sql.DB
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}
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type BlockRange struct {
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Start *big.Int // Block of first transfer
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FirstKnown *big.Int // Oldest scanned block
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LastKnown *big.Int // Last scanned block
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}
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func NewBlockRange() *BlockRange {
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return &BlockRange{Start: nil, FirstKnown: nil, LastKnown: nil}
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}
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type ethTokensBlockRanges struct {
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eth *BlockRange
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tokens *BlockRange
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balanceCheckHash string
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}
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func newEthTokensBlockRanges() *ethTokensBlockRanges {
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return ðTokensBlockRanges{eth: NewBlockRange(), tokens: NewBlockRange()}
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}
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func scanRanges(rows *sql.Rows) (map[common.Address]*ethTokensBlockRanges, error) {
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blockRanges := make(map[common.Address]*ethTokensBlockRanges)
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for rows.Next() {
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efk := &bigint.NilableSQLBigInt{}
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elk := &bigint.NilableSQLBigInt{}
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es := &bigint.NilableSQLBigInt{}
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tfk := &bigint.NilableSQLBigInt{}
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tlk := &bigint.NilableSQLBigInt{}
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ts := &bigint.NilableSQLBigInt{}
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addressB := []byte{}
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blockRange := newEthTokensBlockRanges()
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err := rows.Scan(&addressB, es, efk, elk, ts, tfk, tlk, &blockRange.balanceCheckHash)
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if err != nil {
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return nil, err
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}
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address := common.BytesToAddress(addressB)
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blockRanges[address] = blockRange
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if !es.IsNil() {
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blockRanges[address].eth.Start = big.NewInt(es.Int64())
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}
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if !efk.IsNil() {
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blockRanges[address].eth.FirstKnown = big.NewInt(efk.Int64())
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}
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if !elk.IsNil() {
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blockRanges[address].eth.LastKnown = big.NewInt(elk.Int64())
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}
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if !ts.IsNil() {
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blockRanges[address].tokens.Start = big.NewInt(ts.Int64())
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}
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if !tfk.IsNil() {
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blockRanges[address].tokens.FirstKnown = big.NewInt(tfk.Int64())
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}
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if !tlk.IsNil() {
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blockRanges[address].tokens.LastKnown = big.NewInt(tlk.Int64())
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}
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}
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return blockRanges, nil
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}
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func (b *BlockRangeSequentialDAO) getBlockRange(chainID uint64, address common.Address) (blockRange *ethTokensBlockRanges, exists bool, err error) {
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query := `SELECT address, blk_start, blk_first, blk_last, token_blk_start, token_blk_first, token_blk_last, balance_check_hash FROM blocks_ranges_sequential
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WHERE address = ?
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AND network_id = ?`
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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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ranges, err := scanRanges(rows)
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if err != nil {
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return nil, false, err
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}
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blockRange, exists = ranges[address]
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if !exists {
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blockRange = newEthTokensBlockRanges()
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}
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return blockRange, exists, nil
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}
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func (b *BlockRangeSequentialDAO) getBlockRanges(chainID uint64, addresses []common.Address) (blockRanges map[common.Address]*ethTokensBlockRanges, err error) {
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blockRanges = make(map[common.Address]*ethTokensBlockRanges)
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addressesPlaceholder := ""
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for i := 0; i < len(addresses); i++ {
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addressesPlaceholder += "?"
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if i < len(addresses)-1 {
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addressesPlaceholder += ","
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}
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}
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query := "SELECT address, blk_start, blk_first, blk_last, token_blk_start, token_blk_first, token_blk_last, balance_check_hash FROM blocks_ranges_sequential WHERE address IN (" +
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addressesPlaceholder + ") AND network_id = ?"
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params := []interface{}{}
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for _, address := range addresses {
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params = append(params, address)
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}
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params = append(params, chainID)
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rows, err := b.db.Query(query, params...)
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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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return scanRanges(rows)
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}
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func (b *BlockRangeSequentialDAO) deleteRange(account common.Address) error {
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log.Debug("delete blocks range", "account", account)
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delete, err := b.db.Prepare(`DELETE FROM blocks_ranges_sequential WHERE address = ?`)
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if err != nil {
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log.Error("Failed to prepare deletion of sequential block range", "error", err)
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return err
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}
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_, err = delete.Exec(account)
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return err
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}
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func (b *BlockRangeSequentialDAO) upsertRange(chainID uint64, account common.Address, newBlockRange *ethTokensBlockRanges) (err error) {
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ethTokensBlockRange, exists, err := b.getBlockRange(chainID, account)
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if err != nil {
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return err
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}
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ethBlockRange := prepareUpdatedBlockRange(ethTokensBlockRange.eth, newBlockRange.eth)
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tokensBlockRange := prepareUpdatedBlockRange(ethTokensBlockRange.tokens, newBlockRange.tokens)
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log.Debug("upsert eth and tokens blocks range",
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"account", account, "chainID", chainID,
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"eth.start", ethBlockRange.Start,
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"eth.first", ethBlockRange.FirstKnown,
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"eth.last", ethBlockRange.LastKnown,
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"tokens.first", tokensBlockRange.FirstKnown,
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"tokens.last", tokensBlockRange.LastKnown,
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"hash", newBlockRange.balanceCheckHash)
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var query *sql.Stmt
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if exists {
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query, err = b.db.Prepare(`UPDATE blocks_ranges_sequential SET
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blk_start = ?,
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blk_first = ?,
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blk_last = ?,
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token_blk_start = ?,
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token_blk_first = ?,
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token_blk_last = ?,
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balance_check_hash = ?
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WHERE network_id = ? AND address = ?`)
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} else {
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query, err = b.db.Prepare(`INSERT INTO blocks_ranges_sequential
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(blk_start, blk_first, blk_last, token_blk_start, token_blk_first, token_blk_last, balance_check_hash, network_id, address) 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 = query.Exec((*bigint.SQLBigInt)(ethBlockRange.Start), (*bigint.SQLBigInt)(ethBlockRange.FirstKnown), (*bigint.SQLBigInt)(ethBlockRange.LastKnown),
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(*bigint.SQLBigInt)(tokensBlockRange.Start), (*bigint.SQLBigInt)(tokensBlockRange.FirstKnown), (*bigint.SQLBigInt)(tokensBlockRange.LastKnown), newBlockRange.balanceCheckHash, chainID, account)
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return err
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}
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func (b *BlockRangeSequentialDAO) upsertEthRange(chainID uint64, account common.Address,
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newBlockRange *BlockRange) (err error) {
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ethTokensBlockRange, exists, err := b.getBlockRange(chainID, account)
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if err != nil {
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return err
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}
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blockRange := prepareUpdatedBlockRange(ethTokensBlockRange.eth, newBlockRange)
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log.Debug("upsert eth blocks range", "account", account, "chainID", chainID,
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"start", blockRange.Start,
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"first", blockRange.FirstKnown,
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"last", blockRange.LastKnown,
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"old hash", ethTokensBlockRange.balanceCheckHash)
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var query *sql.Stmt
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if exists {
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query, err = b.db.Prepare(`UPDATE blocks_ranges_sequential SET
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blk_start = ?,
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blk_first = ?,
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blk_last = ?
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WHERE network_id = ? AND address = ?`)
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} else {
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query, err = b.db.Prepare(`INSERT INTO blocks_ranges_sequential
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(blk_start, blk_first, blk_last, network_id, address) 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 = query.Exec((*bigint.SQLBigInt)(blockRange.Start), (*bigint.SQLBigInt)(blockRange.FirstKnown), (*bigint.SQLBigInt)(blockRange.LastKnown), chainID, account)
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return err
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}
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func (b *BlockRangeSequentialDAO) updateTokenRange(chainID uint64, account common.Address,
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newBlockRange *BlockRange) (err error) {
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ethTokensBlockRange, _, err := b.getBlockRange(chainID, account)
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if err != nil {
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return err
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}
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blockRange := prepareUpdatedBlockRange(ethTokensBlockRange.tokens, newBlockRange)
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log.Debug("update tokens blocks range",
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"first", blockRange.FirstKnown,
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"last", blockRange.LastKnown)
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update, err := b.db.Prepare(`UPDATE blocks_ranges_sequential SET token_blk_start = ?, token_blk_first = ?, token_blk_last = ? WHERE network_id = ? AND address = ?`)
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if err != nil {
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return err
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}
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_, err = update.Exec((*bigint.SQLBigInt)(blockRange.Start), (*bigint.SQLBigInt)(blockRange.FirstKnown),
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(*bigint.SQLBigInt)(blockRange.LastKnown), chainID, account)
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return err
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}
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func prepareUpdatedBlockRange(blockRange, newBlockRange *BlockRange) *BlockRange {
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if newBlockRange != nil {
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// Ovewrite start block if there was not any or if new one is older, because it can be precised only
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// to a greater value, because no history can be before some block that is considered
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// as a start of history, but due to concurrent block range checks, a newer greater block
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// can be found that matches criteria of a start block (nonce is zero, balances are equal)
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if newBlockRange.Start != nil && (blockRange.Start == nil || blockRange.Start.Cmp(newBlockRange.Start) < 0) {
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blockRange.Start = newBlockRange.Start
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}
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// Overwrite first known block if there was not any or if new one is older
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if (blockRange.FirstKnown == nil && newBlockRange.FirstKnown != nil) ||
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(blockRange.FirstKnown != nil && newBlockRange.FirstKnown != nil && blockRange.FirstKnown.Cmp(newBlockRange.FirstKnown) > 0) {
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blockRange.FirstKnown = newBlockRange.FirstKnown
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}
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// Overwrite last known block if there was not any or if new one is newer
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if (blockRange.LastKnown == nil && newBlockRange.LastKnown != nil) ||
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(blockRange.LastKnown != nil && newBlockRange.LastKnown != nil && blockRange.LastKnown.Cmp(newBlockRange.LastKnown) < 0) {
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blockRange.LastKnown = newBlockRange.LastKnown
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}
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}
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return blockRange
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}
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