6642f97142
* tallies up data stored on each node in pointerdb * adds comments for data type enums * changes Open to BeginTx because Go convention * removes online status check from identify active nodes * changes identifyactivenodes to calculatestaticdata * updates accounting dbx names
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package accounting
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import (
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"context"
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"github.com/zeebo/errs"
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"storj.io/storj/internal/migrate"
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dbx "storj.io/storj/pkg/accounting/dbx"
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"storj.io/storj/pkg/utils"
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)
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var (
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// Error is the default accountingdb errs class
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Error = errs.Class("accountingdb")
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// LastBandwidthTally is a name in the accounting timestamps database
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LastBandwidthTally = dbx.Timestamps_Name("LastBandwidthTally")
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)
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// Database contains access to accounting database
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type Database struct {
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db *dbx.DB
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}
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// NewDB - constructor for Database
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func NewDB(databaseURL string) (*Database, error) {
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driver, source, err := utils.SplitDBURL(databaseURL)
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if err != nil {
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return nil, Error.Wrap(err)
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}
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db, err := dbx.Open(driver, source)
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if err != nil {
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return nil, Error.New("failed opening database %q, %q: %v",
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driver, source, err)
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}
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err = migrate.Create("accounting", db)
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if err != nil {
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return nil, utils.CombineErrors(err, db.Close())
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}
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return &Database{db: db}, nil
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}
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// BeginTx is used to open db connection
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func (db *Database) BeginTx(ctx context.Context) (*dbx.Tx, error) {
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return db.db.Open(ctx)
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}
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// Close is used to close db connection
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func (db *Database) Close() error {
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return db.db.Close()
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}
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// FindLastBwTally returns the timestamp of the last bandwidth tally
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func (db *Database) FindLastBwTally(ctx context.Context) (*dbx.Value_Row, error) {
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return db.db.Find_Timestamps_Value_By_Name(ctx, LastBandwidthTally)
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}
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