b609d4d6c2
* Handle conflicts (#244) * Handle conflicts * Update go mod file versions * Make lint changes * Disassociate block number from the indexer object * Update ipld-eth-db ref * Refactor builder code to make it reusable * Use prefix comparison for account selective statediffing * Update builder unit tests * Add mode to write to CSV files in statediff file writer (#249) * Change file writing mode to csv files * Implement writer interface for file indexer * Implement option for csv or sql in file mode * Close files in CSV writer * Add tests for CSV file mode * Implement CSV file for watched addresses * Separate test configs for CSV and SQL * Refactor common code for file indexer tests * Update indexer to include block hash in receipts and logs (#256) * Update indexer to include block hash in receipts and logs * Upgrade ipld-eth-db image in docker-compose to run tests
89 lines
2.6 KiB
Go
89 lines
2.6 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 sql
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import (
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"context"
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"io"
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"time"
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)
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// Database interfaces required by the sql indexer
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type Database interface {
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Driver
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Statements
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}
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// Driver interface has all the methods required by a driver implementation to support the sql indexer
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type Driver interface {
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QueryRow(ctx context.Context, sql string, args ...interface{}) ScannableRow
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Exec(ctx context.Context, sql string, args ...interface{}) (Result, error)
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Select(ctx context.Context, dest interface{}, query string, args ...interface{}) error
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Get(ctx context.Context, dest interface{}, query string, args ...interface{}) error
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Begin(ctx context.Context) (Tx, error)
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Stats() Stats
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NodeID() string
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Context() context.Context
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io.Closer
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}
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// Statements interface to accommodate different SQL query syntax
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type Statements interface {
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InsertHeaderStm() string
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InsertUncleStm() string
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InsertTxStm() string
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InsertAccessListElementStm() string
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InsertRctStm() string
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InsertLogStm() string
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InsertStateStm() string
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InsertAccountStm() string
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InsertStorageStm() string
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InsertIPLDStm() string
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InsertIPLDsStm() string
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InsertKnownGapsStm() string
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}
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// Tx interface to accommodate different concrete SQL transaction types
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type Tx interface {
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QueryRow(ctx context.Context, sql string, args ...interface{}) ScannableRow
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Exec(ctx context.Context, sql string, args ...interface{}) (Result, error)
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Commit(ctx context.Context) error
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Rollback(ctx context.Context) error
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}
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// ScannableRow interface to accommodate different concrete row types
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type ScannableRow interface {
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Scan(dest ...interface{}) error
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}
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// Result interface to accommodate different concrete result types
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type Result interface {
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RowsAffected() (int64, error)
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}
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// Stats interface to accommodate different concrete sql stats types
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type Stats interface {
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MaxOpen() int64
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Open() int64
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InUse() int64
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Idle() int64
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WaitCount() int64
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WaitDuration() time.Duration
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MaxIdleClosed() int64
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MaxLifetimeClosed() int64
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}
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