134 lines
3.4 KiB
Go
134 lines
3.4 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package stripecoinpayments
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import (
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"context"
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"time"
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"github.com/stripe/stripe-go/client"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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monkit "gopkg.in/spacemonkeygo/monkit.v2"
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"storj.io/storj/satellite/payments"
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"storj.io/storj/satellite/payments/coinpayments"
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)
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var mon = monkit.Package()
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// Error defines stripecoinpayments service error.
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var Error = errs.Class("stripecoinpayments service error")
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// Config stores needed information for payment service initialization.
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type Config struct {
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StripeSecretKey string `help:"stripe API secret key" default:""`
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CoinpaymentsPublicKey string `help:"coinpayments API public key" default:""`
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CoinpaymentsPrivateKey string `help:"coinpayments API preivate key key" default:""`
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TransactionUpdateInterval time.Duration `help:"amount of time we wait before running next transaction update loop" devDefault:"1m" releaseDefault:"30m"`
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}
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// Service is an implementation for payment service via Stripe and Coinpayments.
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type Service struct {
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log *zap.Logger
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customers CustomersDB
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transactionsDB TransactionsDB
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stripeClient *client.API
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coinPayments *coinpayments.Client
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}
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// NewService creates a Service instance.
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func NewService(log *zap.Logger, config Config, customers CustomersDB, transactionsDB TransactionsDB) *Service {
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stripeClient := client.New(config.StripeSecretKey, nil)
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coinPaymentsClient := coinpayments.NewClient(
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coinpayments.Credentials{
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PublicKey: config.CoinpaymentsPublicKey,
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PrivateKey: config.CoinpaymentsPrivateKey,
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},
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)
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return &Service{
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log: log,
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customers: customers,
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transactionsDB: transactionsDB,
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stripeClient: stripeClient,
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coinPayments: coinPaymentsClient,
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}
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}
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// Accounts exposes all needed functionality to manage payment accounts.
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func (service *Service) Accounts() payments.Accounts {
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return &accounts{service: service}
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}
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// updateTransactionsLoop updates all pending transactions in a loop.
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func (service *Service) updateTransactionsLoop(ctx context.Context) (err error) {
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defer mon.Task()(&ctx)(&err)
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const (
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limit = 25
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)
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before := time.Now()
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txsPage, err := service.transactionsDB.ListPending(ctx, 0, limit, before)
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if err != nil {
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return err
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}
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if err := service.updateTransactions(ctx, txsPage.IDList()); err != nil {
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return err
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}
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for txsPage.Next {
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select {
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case <-ctx.Done():
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return ctx.Err()
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default:
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}
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txsPage, err = service.transactionsDB.ListPending(ctx, txsPage.NextOffset, limit, before)
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if err != nil {
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return err
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}
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if err := service.updateTransactions(ctx, txsPage.IDList()); err != nil {
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return err
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}
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}
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return nil
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}
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// updateTransactions updates statuses and received amount for given transactions.
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func (service *Service) updateTransactions(ctx context.Context, ids coinpayments.TransactionIDList) (err error) {
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defer mon.Task()(&ctx, ids)(&err)
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if len(ids) == 0 {
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service.log.Debug("no transactions found, skipping update")
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return nil
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}
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infos, err := service.coinPayments.Transactions().ListInfos(ctx, ids)
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if err != nil {
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return err
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}
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var updates []TransactionUpdate
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for id, info := range infos {
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updates = append(updates,
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TransactionUpdate{
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TransactionID: id,
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Status: info.Status,
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Received: info.Received,
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},
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)
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// TODO: update stripe customer balance
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}
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return service.transactionsDB.Update(ctx, updates)
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}
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