417b18ec6a
towards generic method polling and reposito;y; config settings to filterevents/methods by account address; refactoring some stuff out of repo and into converter; remove fetcher and instead call blockchain's FetchContractData directly; finishing tests
91 lines
2.5 KiB
Go
91 lines
2.5 KiB
Go
// VulcanizeDB
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// Copyright © 2018 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 repositories
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import (
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"context"
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"database/sql"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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)
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type LogRepository struct {
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*postgres.DB
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}
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func (logRepository LogRepository) CreateLogs(lgs []core.Log, receiptId int64) error {
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tx, _ := logRepository.DB.BeginTx(context.Background(), nil)
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for _, tlog := range lgs {
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_, err := tx.Exec(
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`INSERT INTO logs (block_number, address, tx_hash, index, topic0, topic1, topic2, topic3, data, receipt_id)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
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`,
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tlog.BlockNumber, tlog.Address, tlog.TxHash, tlog.Index, tlog.Topics[0], tlog.Topics[1], tlog.Topics[2], tlog.Topics[3], tlog.Data, receiptId,
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)
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if err != nil {
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tx.Rollback()
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return postgres.ErrDBInsertFailed
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}
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}
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tx.Commit()
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return nil
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}
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func (logRepository LogRepository) GetLogs(address string, blockNumber int64) []core.Log {
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logRows, _ := logRepository.DB.Query(
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`SELECT block_number,
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address,
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tx_hash,
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index,
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topic0,
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topic1,
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topic2,
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topic3,
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data
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FROM logs
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WHERE address = $1 AND block_number = $2
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ORDER BY block_number DESC`, address, blockNumber)
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return logRepository.loadLogs(logRows)
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}
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func (logRepository LogRepository) loadLogs(logsRows *sql.Rows) []core.Log {
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var lgs []core.Log
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for logsRows.Next() {
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var blockNumber int64
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var address string
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var txHash string
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var index int64
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var data string
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var topics core.Topics
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logsRows.Scan(&blockNumber, &address, &txHash, &index, &topics[0], &topics[1], &topics[2], &topics[3], &data)
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lg := core.Log{
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BlockNumber: blockNumber,
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TxHash: txHash,
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Address: address,
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Index: index,
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Data: data,
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}
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for i, topic := range topics {
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lg.Topics[i] = topic
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}
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lgs = append(lgs, lg)
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}
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return lgs
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}
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