250 lines
9.1 KiB
Go
250 lines
9.1 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package file
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import (
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"fmt"
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"io"
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blockstore "github.com/ipfs/go-ipfs-blockstore"
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dshelp "github.com/ipfs/go-ipfs-ds-help"
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node "github.com/ipfs/go-ipld-format"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/statediff/indexer/ipld"
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"github.com/ethereum/go-ethereum/statediff/indexer/models"
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nodeinfo "github.com/ethereum/go-ethereum/statediff/indexer/node"
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)
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var (
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nullHash = common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000")
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pipeSize = 65336 // min(linuxPipeSize, macOSPipeSize)
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collatedStmtSize = pipeSize * 16
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)
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// SQLWriter writes sql statements to a file
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type SQLWriter struct {
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wc io.WriteCloser
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stmts chan []byte
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collatedStmt []byte
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collationIndex int
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flushChan chan struct{}
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flushFinished chan struct{}
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quitChan chan struct{}
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doneChan chan struct{}
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}
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// NewSQLWriter creates a new pointer to a Writer
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func NewSQLWriter(wc io.WriteCloser) *SQLWriter {
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return &SQLWriter{
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wc: wc,
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stmts: make(chan []byte),
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collatedStmt: make([]byte, collatedStmtSize),
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flushChan: make(chan struct{}),
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flushFinished: make(chan struct{}),
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quitChan: make(chan struct{}),
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doneChan: make(chan struct{}),
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}
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}
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// Loop enables concurrent writes to the underlying os.File
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// since os.File does not buffer, it utilizes an internal buffer that is the size of a unix pipe
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// by using copy() and tracking the index/size of the buffer, we require only the initial memory allocation
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func (sqw *SQLWriter) Loop() {
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sqw.collationIndex = 0
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go func() {
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defer close(sqw.doneChan)
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var l int
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for {
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select {
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case stmt := <-sqw.stmts:
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l = len(stmt)
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if l+sqw.collationIndex+1 > collatedStmtSize {
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if err := sqw.flush(); err != nil {
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panic(fmt.Sprintf("error writing sql stmts buffer to file: %v", err))
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}
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}
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copy(sqw.collatedStmt[sqw.collationIndex:sqw.collationIndex+l], stmt)
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sqw.collationIndex += l
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case <-sqw.quitChan:
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if err := sqw.flush(); err != nil {
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panic(fmt.Sprintf("error writing sql stmts buffer to file: %v", err))
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}
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return
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case <-sqw.flushChan:
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if err := sqw.flush(); err != nil {
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panic(fmt.Sprintf("error writing sql stmts buffer to file: %v", err))
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}
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sqw.flushFinished <- struct{}{}
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}
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}
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}()
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}
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// Close satisfies io.Closer
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func (sqw *SQLWriter) Close() error {
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close(sqw.quitChan)
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<-sqw.doneChan
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return sqw.wc.Close()
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}
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// Flush sends a flush signal to the looping process
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func (sqw *SQLWriter) Flush() {
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sqw.flushChan <- struct{}{}
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<-sqw.flushFinished
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}
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func (sqw *SQLWriter) flush() error {
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if _, err := sqw.wc.Write(sqw.collatedStmt[0:sqw.collationIndex]); err != nil {
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return err
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}
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sqw.collationIndex = 0
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return nil
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}
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const (
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nodeInsert = "INSERT INTO nodes (genesis_block, network_id, node_id, client_name, chain_id) VALUES " +
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"('%s', '%s', '%s', '%s', %d);\n"
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ipldInsert = "INSERT INTO public.blocks (key, data) VALUES ('%s', '\\x%x');\n"
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headerInsert = "INSERT INTO eth.header_cids (block_number, block_hash, parent_hash, cid, td, node_id, reward, " +
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"state_root, tx_root, receipt_root, uncle_root, bloom, timestamp, mh_key, times_validated, coinbase) VALUES " +
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"('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '\\x%x', %d, '%s', %d, '%s');\n"
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uncleInsert = "INSERT INTO eth.uncle_cids (block_hash, header_id, parent_hash, cid, reward, mh_key) VALUES " +
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"('%s', '%s', '%s', '%s', '%s', '%s');\n"
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txInsert = "INSERT INTO eth.transaction_cids (header_id, tx_hash, cid, dst, src, index, mh_key, tx_data, tx_type, " +
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"value) VALUES ('%s', '%s', '%s', '%s', '%s', %d, '%s', '\\x%x', %d, '%s');\n"
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alInsert = "INSERT INTO eth.access_list_elements (tx_id, index, address, storage_keys) VALUES ('%s', %d, '%s', '%s');\n"
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rctInsert = "INSERT INTO eth.receipt_cids (tx_id, leaf_cid, contract, contract_hash, leaf_mh_key, post_state, " +
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"post_status, log_root) VALUES ('%s', '%s', '%s', '%s', '%s', '%s', %d, '%s');\n"
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logInsert = "INSERT INTO eth.log_cids (leaf_cid, leaf_mh_key, rct_id, address, index, topic0, topic1, topic2, " +
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"topic3, log_data) VALUES ('%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '\\x%x');\n"
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stateInsert = "INSERT INTO eth.state_cids (header_id, state_leaf_key, cid, state_path, node_type, diff, mh_key) " +
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"VALUES ('%s', '%s', '%s', '\\x%x', %d, %t, '%s');\n"
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accountInsert = "INSERT INTO eth.state_accounts (header_id, state_path, balance, nonce, code_hash, storage_root) " +
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"VALUES ('%s', '\\x%x', '%s', %d, '\\x%x', '%s');\n"
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storageInsert = "INSERT INTO eth.storage_cids (header_id, state_path, storage_leaf_key, cid, storage_path, " +
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"node_type, diff, mh_key) VALUES ('%s', '\\x%x', '%s', '%s', '\\x%x', %d, %t, '%s');\n"
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)
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func (sqw *SQLWriter) upsertNode(node nodeinfo.Info) {
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sqw.stmts <- []byte(fmt.Sprintf(nodeInsert, node.GenesisBlock, node.NetworkID, node.ID, node.ClientName, node.ChainID))
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}
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func (sqw *SQLWriter) upsertIPLD(ipld models.IPLDModel) {
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sqw.stmts <- []byte(fmt.Sprintf(ipldInsert, ipld.Key, ipld.Data))
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}
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func (sqw *SQLWriter) upsertIPLDDirect(key string, value []byte) {
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sqw.upsertIPLD(models.IPLDModel{
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Key: key,
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Data: value,
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})
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}
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func (sqw *SQLWriter) upsertIPLDNode(i node.Node) {
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sqw.upsertIPLD(models.IPLDModel{
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Key: blockstore.BlockPrefix.String() + dshelp.MultihashToDsKey(i.Cid().Hash()).String(),
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Data: i.RawData(),
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})
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}
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func (sqw *SQLWriter) upsertIPLDRaw(codec, mh uint64, raw []byte) (string, string, error) {
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c, err := ipld.RawdataToCid(codec, raw, mh)
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if err != nil {
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return "", "", err
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}
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prefixedKey := blockstore.BlockPrefix.String() + dshelp.MultihashToDsKey(c.Hash()).String()
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sqw.upsertIPLD(models.IPLDModel{
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Key: prefixedKey,
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Data: raw,
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})
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return c.String(), prefixedKey, err
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}
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func (sqw *SQLWriter) upsertHeaderCID(header models.HeaderModel) {
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stmt := fmt.Sprintf(headerInsert, header.BlockNumber, header.BlockHash, header.ParentHash, header.CID,
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header.TotalDifficulty, header.NodeID, header.Reward, header.StateRoot, header.TxRoot,
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header.RctRoot, header.UncleRoot, header.Bloom, header.Timestamp, header.MhKey, 1, header.Coinbase)
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sqw.stmts <- []byte(stmt)
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indexerMetrics.blocks.Inc(1)
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}
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func (sqw *SQLWriter) upsertUncleCID(uncle models.UncleModel) {
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sqw.stmts <- []byte(fmt.Sprintf(uncleInsert, uncle.BlockHash, uncle.HeaderID, uncle.ParentHash, uncle.CID,
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uncle.Reward, uncle.MhKey))
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}
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func (sqw *SQLWriter) upsertTransactionCID(transaction models.TxModel) {
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sqw.stmts <- []byte(fmt.Sprintf(txInsert, transaction.HeaderID, transaction.TxHash, transaction.CID, transaction.Dst,
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transaction.Src, transaction.Index, transaction.MhKey, transaction.Data, transaction.Type, transaction.Value))
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indexerMetrics.transactions.Inc(1)
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}
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func (sqw *SQLWriter) upsertAccessListElement(accessListElement models.AccessListElementModel) {
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sqw.stmts <- []byte(fmt.Sprintf(alInsert, accessListElement.TxID, accessListElement.Index, accessListElement.Address,
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formatPostgresStringArray(accessListElement.StorageKeys)))
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indexerMetrics.accessListEntries.Inc(1)
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}
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func (sqw *SQLWriter) upsertReceiptCID(rct *models.ReceiptModel) {
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sqw.stmts <- []byte(fmt.Sprintf(rctInsert, rct.TxID, rct.LeafCID, rct.Contract, rct.ContractHash, rct.LeafMhKey,
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rct.PostState, rct.PostStatus, rct.LogRoot))
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indexerMetrics.receipts.Inc(1)
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}
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func (sqw *SQLWriter) upsertLogCID(logs []*models.LogsModel) {
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for _, l := range logs {
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sqw.stmts <- []byte(fmt.Sprintf(logInsert, l.LeafCID, l.LeafMhKey, l.ReceiptID, l.Address, l.Index, l.Topic0,
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l.Topic1, l.Topic2, l.Topic3, l.Data))
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indexerMetrics.logs.Inc(1)
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}
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}
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func (sqw *SQLWriter) upsertStateCID(stateNode models.StateNodeModel) {
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var stateKey string
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if stateNode.StateKey != nullHash.String() {
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stateKey = stateNode.StateKey
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}
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sqw.stmts <- []byte(fmt.Sprintf(stateInsert, stateNode.HeaderID, stateKey, stateNode.CID, stateNode.Path,
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stateNode.NodeType, true, stateNode.MhKey))
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}
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func (sqw *SQLWriter) upsertStateAccount(stateAccount models.StateAccountModel) {
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sqw.stmts <- []byte(fmt.Sprintf(accountInsert, stateAccount.HeaderID, stateAccount.StatePath, stateAccount.Balance,
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stateAccount.Nonce, stateAccount.CodeHash, stateAccount.StorageRoot))
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}
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func (sqw *SQLWriter) upsertStorageCID(storageCID models.StorageNodeModel) {
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var storageKey string
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if storageCID.StorageKey != nullHash.String() {
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storageKey = storageCID.StorageKey
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}
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sqw.stmts <- []byte(fmt.Sprintf(storageInsert, storageCID.HeaderID, storageCID.StatePath, storageKey, storageCID.CID,
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storageCID.Path, storageCID.NodeType, true, storageCID.MhKey))
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}
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