99 lines
3.6 KiB
Go
99 lines
3.6 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2021 Vulcanize
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package indexer
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/cerc-io/plugeth-statediff/utils/log"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
|
|
"github.com/cerc-io/plugeth-statediff/indexer/database/dump"
|
|
"github.com/cerc-io/plugeth-statediff/indexer/database/file"
|
|
"github.com/cerc-io/plugeth-statediff/indexer/database/sql"
|
|
"github.com/cerc-io/plugeth-statediff/indexer/database/sql/postgres"
|
|
"github.com/cerc-io/plugeth-statediff/indexer/interfaces"
|
|
"github.com/cerc-io/plugeth-statediff/indexer/node"
|
|
"github.com/cerc-io/plugeth-statediff/indexer/shared"
|
|
)
|
|
|
|
// NewStateDiffIndexer creates and returns an implementation of the StateDiffIndexer interface.
|
|
// The returned indexer is used to process state diffs and write them to a database.
|
|
// The returned SQL database, if non-nil, is the indexer's backing database.
|
|
// `ctx` is used to cancel an underlying DB connection.
|
|
// `chainConfig` is used when processing chain state.
|
|
// `nodeInfo` contains metadata on the Ethereum node, which is inserted with the indexed state.
|
|
// `config` contains configuration specific to the indexer.
|
|
// `isDiff` means to mark state nodes as belonging to an incremental diff, as opposed to a full snapshot.
|
|
func NewStateDiffIndexer(
|
|
ctx context.Context,
|
|
chainConfig *params.ChainConfig,
|
|
nodeInfo node.Info,
|
|
config interfaces.Config,
|
|
isDiff bool,
|
|
) (
|
|
sql.Database,
|
|
interfaces.StateDiffIndexer,
|
|
error,
|
|
) {
|
|
switch config.Type() {
|
|
case shared.FILE:
|
|
log.Info("Starting statediff service in SQL file writing mode")
|
|
fc, ok := config.(file.Config)
|
|
if !ok {
|
|
return nil, nil, fmt.Errorf("file config is not the correct type: got %T, expected %T", config, file.Config{})
|
|
}
|
|
ind, err := file.NewStateDiffIndexer(chainConfig, fc, nodeInfo, isDiff)
|
|
return nil, ind, err
|
|
case shared.POSTGRES:
|
|
log.Info("Starting statediff service in Postgres writing mode")
|
|
pgc, ok := config.(postgres.Config)
|
|
if !ok {
|
|
return nil, nil, fmt.Errorf("postgres config is not the correct type: got %T, expected %T", config, postgres.Config{})
|
|
}
|
|
var err error
|
|
var driver sql.Driver
|
|
switch pgc.Driver {
|
|
case postgres.PGX:
|
|
driver, err = postgres.NewPGXDriver(ctx, pgc, nodeInfo)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
case postgres.SQLX:
|
|
driver, err = postgres.NewSQLXDriver(ctx, pgc, nodeInfo)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
default:
|
|
return nil, nil, fmt.Errorf("unrecognized Postgres driver type: %s", pgc.Driver)
|
|
}
|
|
db := postgres.NewPostgresDB(driver, pgc.Upsert)
|
|
ind, err := sql.NewStateDiffIndexer(ctx, chainConfig, db, isDiff)
|
|
return db, ind, err
|
|
case shared.DUMP:
|
|
log.Info("Starting statediff service in data dump mode")
|
|
dumpc, ok := config.(dump.Config)
|
|
if !ok {
|
|
return nil, nil, fmt.Errorf("dump config is not the correct type: got %T, expected %T", config, dump.Config{})
|
|
}
|
|
return nil, dump.NewStateDiffIndexer(chainConfig, dumpc), nil
|
|
default:
|
|
return nil, nil, fmt.Errorf("unrecognized database type: %s", config.Type())
|
|
}
|
|
}
|