444 lines
15 KiB
Go
444 lines
15 KiB
Go
// VulcanizeDB
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// Copyright © 2021 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 dump
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import (
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"context"
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"encoding/hex"
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"fmt"
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"io"
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"math/big"
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"time"
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"github.com/multiformats/go-multihash"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/cerc-io/plugeth-statediff/indexer/database/metrics"
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"github.com/cerc-io/plugeth-statediff/indexer/interfaces"
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"github.com/cerc-io/plugeth-statediff/indexer/ipld"
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"github.com/cerc-io/plugeth-statediff/indexer/models"
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"github.com/cerc-io/plugeth-statediff/indexer/shared"
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sdtypes "github.com/cerc-io/plugeth-statediff/types"
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)
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var _ interfaces.StateDiffIndexer = &StateDiffIndexer{}
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// StateDiffIndexer satisfies the indexer.StateDiffIndexer interface for ethereum statediff objects on top of a void
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type StateDiffIndexer struct {
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dump io.WriteCloser
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chainConfig *params.ChainConfig
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}
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// NewStateDiffIndexer creates a void implementation of interfaces.StateDiffIndexer
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func NewStateDiffIndexer(chainConfig *params.ChainConfig, config Config) *StateDiffIndexer {
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return &StateDiffIndexer{
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dump: config.Dump,
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chainConfig: chainConfig,
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}
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}
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// ReportDBMetrics has nothing to report for dump
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func (sdi *StateDiffIndexer) ReportDBMetrics(time.Duration, <-chan bool) {}
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// PushBlock pushes and indexes block data in sql, except state & storage nodes (includes header, uncles, transactions & receipts)
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// Returns an initiated DB transaction which must be Closed via defer to commit or rollback
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func (sdi *StateDiffIndexer) PushBlock(block *types.Block, receipts types.Receipts, totalDifficulty *big.Int) (interfaces.Batch, error) {
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t := time.Now()
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blockHash := block.Hash()
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blockHashStr := blockHash.String()
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height := block.NumberU64()
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traceMsg := fmt.Sprintf("indexer stats for statediff at %d with hash %s:\r\n", height, blockHashStr)
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transactions := block.Transactions()
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// Derive any missing fields
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if err := receipts.DeriveFields(sdi.chainConfig, blockHash, height, block.BaseFee(), transactions); err != nil {
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return nil, err
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}
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// Generate the block iplds
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txNodes, rctNodes, logNodes, err := ipld.FromBlockAndReceipts(block, receipts)
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if err != nil {
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return nil, fmt.Errorf("error creating IPLD nodes from block and receipts: %v", err)
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}
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if len(txNodes) != len(rctNodes) {
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return nil, fmt.Errorf("expected number of transactions (%d), receipts (%d)", len(txNodes), len(rctNodes))
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}
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// Calculate reward
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var reward *big.Int
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// in PoA networks block reward is 0
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if sdi.chainConfig.Clique != nil {
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reward = big.NewInt(0)
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} else {
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reward = shared.CalcEthBlockReward(block.Header(), block.Uncles(), block.Transactions(), receipts)
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}
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blockTx := NewBatch(block.Number(), sdi.dump)
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t = time.Now()
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// Publish and index header, collect headerID
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var headerID string
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headerID, err = sdi.PushHeader(blockTx, block.Header(), reward, totalDifficulty)
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if err != nil {
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return nil, err
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}
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tDiff := time.Since(t)
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metrics.IndexerMetrics.HeaderProcessingTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("header processing time: %s\r\n", tDiff.String())
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t = time.Now()
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// Publish and index uncles
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err = sdi.processUncles(blockTx, headerID, block.Number(), block.UncleHash(), block.Uncles())
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if err != nil {
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return nil, err
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}
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tDiff = time.Since(t)
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metrics.IndexerMetrics.UncleProcessingTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("uncle processing time: %s\r\n", tDiff.String())
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t = time.Now()
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// Publish and index receipts and txs
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err = sdi.processReceiptsAndTxs(blockTx, processArgs{
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headerID: headerID,
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blockNumber: block.Number(),
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receipts: receipts,
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txs: transactions,
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rctNodes: rctNodes,
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txNodes: txNodes,
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logNodes: logNodes,
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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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tDiff = time.Since(t)
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metrics.IndexerMetrics.TxAndRecProcessingTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("tx and receipt processing time: %s\r\n", tDiff.String())
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t = time.Now()
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return blockTx, err
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}
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// PushHeader publishes and indexes a header IPLD in Postgres
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// it returns the headerID
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func (sdi *StateDiffIndexer) PushHeader(batch interfaces.Batch, header *types.Header, reward, td *big.Int) (string, error) {
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tx, ok := batch.(*BatchTx)
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if !ok {
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return "", fmt.Errorf("sql: batch is expected to be of type %T, got %T", &BatchTx{}, batch)
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}
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headerNode, err := ipld.NewEthHeader(header)
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if err != nil {
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return "", err
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}
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tx.cacheIPLD(headerNode)
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headerID := header.Hash().String()
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mod := models.HeaderModel{
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CID: headerNode.Cid().String(),
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ParentHash: header.ParentHash.String(),
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BlockNumber: header.Number.String(),
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BlockHash: headerID,
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TotalDifficulty: td.String(),
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Reward: reward.String(),
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Bloom: header.Bloom.Bytes(),
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StateRoot: header.Root.String(),
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RctRoot: header.ReceiptHash.String(),
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TxRoot: header.TxHash.String(),
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UnclesHash: header.UncleHash.String(),
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Timestamp: header.Time,
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Coinbase: header.Coinbase.String(),
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Canonical: true,
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}
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_, err = fmt.Fprintf(sdi.dump, "%+v\r\n", mod)
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return headerID, err
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}
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// processUncles publishes and indexes uncle IPLDs in Postgres
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func (sdi *StateDiffIndexer) processUncles(tx *BatchTx, headerID string, blockNumber *big.Int, unclesHash common.Hash, uncles []*types.Header) error {
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// publish and index uncles
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uncleEncoding, err := rlp.EncodeToBytes(uncles)
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if err != nil {
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return err
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}
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preparedHash := crypto.Keccak256Hash(uncleEncoding)
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if preparedHash != unclesHash {
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return fmt.Errorf("derived uncles hash (%s) does not match the hash in the header (%s)", preparedHash.String(), unclesHash.String())
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}
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unclesCID, err := ipld.RawdataToCid(ipld.MEthHeaderList, uncleEncoding, multihash.KECCAK_256)
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if err != nil {
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return err
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}
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tx.cacheDirect(unclesCID.String(), uncleEncoding)
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for i, uncle := range uncles {
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var uncleReward *big.Int
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// in PoA networks uncle reward is 0
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if sdi.chainConfig.Clique != nil {
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uncleReward = big.NewInt(0)
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} else {
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uncleReward = shared.CalcUncleMinerReward(blockNumber.Uint64(), uncle.Number.Uint64())
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}
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uncle := models.UncleModel{
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BlockNumber: blockNumber.String(),
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HeaderID: headerID,
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CID: unclesCID.String(),
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ParentHash: uncle.ParentHash.String(),
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BlockHash: uncle.Hash().String(),
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Reward: uncleReward.String(),
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Index: int64(i),
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}
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if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", uncle); 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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// processArgs bundles arguments to processReceiptsAndTxs
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type processArgs struct {
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headerID string
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blockNumber *big.Int
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receipts types.Receipts
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txs types.Transactions
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rctNodes []*ipld.EthReceipt
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txNodes []*ipld.EthTx
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logNodes [][]*ipld.EthLog
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}
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// processReceiptsAndTxs publishes and indexes receipt and transaction IPLDs in Postgres
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func (sdi *StateDiffIndexer) processReceiptsAndTxs(tx *BatchTx, args processArgs) error {
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// Process receipts and txs
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signer := types.MakeSigner(sdi.chainConfig, args.blockNumber)
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for i, receipt := range args.receipts {
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txNode := args.txNodes[i]
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tx.cacheIPLD(txNode)
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// Indexing
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// index tx
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trx := args.txs[i]
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trxID := trx.Hash().String()
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var val string
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if trx.Value() != nil {
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val = trx.Value().String()
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}
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// derive sender for the tx that corresponds with this receipt
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from, err := types.Sender(signer, trx)
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if err != nil {
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return fmt.Errorf("error deriving tx sender: %v", err)
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}
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txModel := models.TxModel{
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BlockNumber: args.blockNumber.String(),
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HeaderID: args.headerID,
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Dst: shared.HandleZeroAddrPointer(trx.To()),
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Src: shared.HandleZeroAddr(from),
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TxHash: trxID,
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Index: int64(i),
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CID: txNode.Cid().String(),
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Type: trx.Type(),
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Value: val,
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}
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if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", txModel); err != nil {
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return err
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}
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// this is the contract address if this receipt is for a contract creation tx
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contract := shared.HandleZeroAddr(receipt.ContractAddress)
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// index the receipt
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rctModel := &models.ReceiptModel{
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BlockNumber: args.blockNumber.String(),
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HeaderID: args.headerID,
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TxID: trxID,
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Contract: contract,
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CID: args.rctNodes[i].Cid().String(),
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}
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if len(receipt.PostState) == 0 {
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rctModel.PostStatus = receipt.Status
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} else {
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rctModel.PostState = hex.EncodeToString(receipt.PostState)
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}
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if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", rctModel); err != nil {
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return err
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}
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logDataSet := make([]*models.LogsModel, len(receipt.Logs))
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for idx, l := range receipt.Logs {
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topicSet := make([]string, 4)
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for ti, topic := range l.Topics {
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topicSet[ti] = topic.String()
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}
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logDataSet[idx] = &models.LogsModel{
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BlockNumber: args.blockNumber.String(),
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HeaderID: args.headerID,
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ReceiptID: trxID,
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Address: l.Address.String(),
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Index: int64(l.Index),
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CID: args.logNodes[i][idx].Cid().String(),
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Topic0: topicSet[0],
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Topic1: topicSet[1],
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Topic2: topicSet[2],
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Topic3: topicSet[3],
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}
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}
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if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", logDataSet); 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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// PushStateNode publishes and indexes a state diff node object (including any child storage nodes) in the IPLD sql
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func (sdi *StateDiffIndexer) PushStateNode(batch interfaces.Batch, stateNode sdtypes.StateLeafNode, headerID string) error {
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tx, ok := batch.(*BatchTx)
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if !ok {
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return fmt.Errorf("dump: batch is expected to be of type %T, got %T", &BatchTx{}, batch)
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}
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// publish the state node
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var stateModel models.StateNodeModel
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if stateNode.Removed {
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// short circuit if it is a Removed node
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// this assumes the db has been initialized and a ipld.blocks entry for the Removed node is present
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stateModel = models.StateNodeModel{
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BlockNumber: tx.BlockNumber(),
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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CID: shared.RemovedNodeStateCID,
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Removed: true,
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}
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} else {
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stateModel = models.StateNodeModel{
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BlockNumber: tx.BlockNumber(),
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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CID: stateNode.AccountWrapper.CID,
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Removed: false,
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Balance: stateNode.AccountWrapper.Account.Balance.String(),
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Nonce: stateNode.AccountWrapper.Account.Nonce,
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CodeHash: common.BytesToHash(stateNode.AccountWrapper.Account.CodeHash).String(),
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StorageRoot: stateNode.AccountWrapper.Account.Root.String(),
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}
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}
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// index the state node, collect the stateID to reference by FK
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if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", stateModel); err != nil {
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return err
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}
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// if there are any storage nodes associated with this node, publish and index them
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for _, storageNode := range stateNode.StorageDiff {
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if storageNode.Removed {
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// short circuit if it is a Removed node
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// this assumes the db has been initialized and a ipld.blocks entry for the Removed node is present
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storageModel := models.StorageNodeModel{
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BlockNumber: tx.BlockNumber(),
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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StorageKey: common.BytesToHash(storageNode.LeafKey).String(),
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CID: shared.RemovedNodeStorageCID,
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Removed: true,
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}
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if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", storageModel); err != nil {
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return err
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}
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continue
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}
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storageModel := models.StorageNodeModel{
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BlockNumber: tx.BlockNumber(),
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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StorageKey: common.BytesToHash(storageNode.LeafKey).String(),
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CID: storageNode.CID,
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Removed: false,
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Value: storageNode.Value,
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}
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if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", storageModel); 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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// PushIPLD publishes iplds to ipld.blocks
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func (sdi *StateDiffIndexer) PushIPLD(batch interfaces.Batch, ipld sdtypes.IPLD) error {
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tx, ok := batch.(*BatchTx)
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if !ok {
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return fmt.Errorf("dump: batch is expected to be of type %T, got %T", &BatchTx{}, batch)
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}
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tx.cacheDirect(ipld.CID, ipld.Content)
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return nil
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}
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// HasBlock checks whether the indicated block already exists in the output.
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// In the "dump" case, this is presumed to be false.
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func (sdi *StateDiffIndexer) HasBlock(hash common.Hash, number uint64) (bool, error) {
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return false, nil
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}
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// CurrentBlock returns the HeaderModel of the highest existing block in the output.
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// In the "dump" case, this is always nil.
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func (sdi *StateDiffIndexer) CurrentBlock() (*models.HeaderModel, error) {
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return nil, nil
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}
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// DetectGaps returns a list of gaps in the output found within the specified block range.
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// In the "dump" case this is always nil.
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func (sdi *StateDiffIndexer) DetectGaps(beginBlockNumber uint64, endBlockNumber uint64) ([]*interfaces.BlockGap, error) {
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return nil, nil
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}
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func (sdi *StateDiffIndexer) BeginTx(number *big.Int, _ context.Context) interfaces.Batch {
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return NewBatch(number, sdi.dump)
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}
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// Close satisfies io.Closer
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func (sdi *StateDiffIndexer) Close() error {
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return sdi.dump.Close()
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}
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// LoadWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
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func (sdi *StateDiffIndexer) LoadWatchedAddresses() ([]common.Address, error) {
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return nil, nil
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}
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// InsertWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
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func (sdi *StateDiffIndexer) InsertWatchedAddresses(args []sdtypes.WatchAddressArg, currentBlockNumber *big.Int) error {
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return nil
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}
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// RemoveWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
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func (sdi *StateDiffIndexer) RemoveWatchedAddresses(args []sdtypes.WatchAddressArg) error {
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return nil
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}
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// SetWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
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func (sdi *StateDiffIndexer) SetWatchedAddresses(args []sdtypes.WatchAddressArg, currentBlockNumber *big.Int) error {
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return nil
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}
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// ClearWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
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func (sdi *StateDiffIndexer) ClearWatchedAddresses() error {
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return nil
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}
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