92 lines
3.1 KiB
Go
92 lines
3.1 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 indexer
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import (
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"context"
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"fmt"
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"github.com/cerc-io/plugeth-statediff/utils/log"
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"github.com/ethereum/go-ethereum/params"
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"github.com/cerc-io/plugeth-statediff/indexer/database/dump"
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"github.com/cerc-io/plugeth-statediff/indexer/database/file"
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"github.com/cerc-io/plugeth-statediff/indexer/database/sql"
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"github.com/cerc-io/plugeth-statediff/indexer/database/sql/postgres"
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"github.com/cerc-io/plugeth-statediff/indexer/interfaces"
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"github.com/cerc-io/plugeth-statediff/indexer/node"
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"github.com/cerc-io/plugeth-statediff/indexer/shared"
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)
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// NewStateDiffIndexer creates and returns an implementation of the StateDiffIndexer interface.
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func NewStateDiffIndexer(
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ctx context.Context,
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chainConfig *params.ChainConfig,
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nodeInfo node.Info,
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config interfaces.Config,
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diff bool,
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) (
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sql.Database,
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interfaces.StateDiffIndexer,
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error,
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) {
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switch config.Type() {
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case shared.FILE:
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log.Info("Starting statediff service in SQL file writing mode")
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fc, ok := config.(file.Config)
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if !ok {
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return nil, nil, fmt.Errorf("file config is not the correct type: got %T, expected %T", config, file.Config{})
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}
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ind, err := file.NewStateDiffIndexer(chainConfig, fc, nodeInfo, diff)
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return nil, ind, err
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case shared.POSTGRES:
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log.Info("Starting statediff service in Postgres writing mode")
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pgc, ok := config.(postgres.Config)
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if !ok {
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return nil, nil, fmt.Errorf("postgres config is not the correct type: got %T, expected %T", config, postgres.Config{})
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}
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var err error
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var driver sql.Driver
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switch pgc.Driver {
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case postgres.PGX:
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driver, err = postgres.NewPGXDriver(ctx, pgc, nodeInfo)
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if err != nil {
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return nil, nil, err
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}
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case postgres.SQLX:
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driver, err = postgres.NewSQLXDriver(ctx, pgc, nodeInfo)
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if err != nil {
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return nil, nil, err
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}
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default:
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return nil, nil, fmt.Errorf("unrecognized Postgres driver type: %s", pgc.Driver)
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}
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db := postgres.NewPostgresDB(driver, pgc.Upsert)
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ind, err := sql.NewStateDiffIndexer(ctx, chainConfig, db, diff)
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return db, ind, err
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case shared.DUMP:
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log.Info("Starting statediff service in data dump mode")
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dumpc, ok := config.(dump.Config)
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if !ok {
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return nil, nil, fmt.Errorf("dump config is not the correct type: got %T, expected %T", config, dump.Config{})
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}
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return nil, dump.NewStateDiffIndexer(chainConfig, dumpc), nil
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default:
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return nil, nil, fmt.Errorf("unrecognized database type: %s", config.Type())
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}
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}
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