mirror of
https://github.com/hanzo-fi/payments.git
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CrimsonandGitHub
c48bb246b5
* Implement Balances Webhooks in Stripe to reduce polling workflows * Create webhooks on install * Remove webhook at uninstall time * Add verifyWebhook function to Stripe * Pin APIVersion in Stripe Webhook Create call * Default to root account when receiving balance.update webhook * Only make call do delete webhooks if webhooks were setup to begin with * Set up two webhook endpoints - one for connect and one for root account * Use event.Created to determine balance time in Stripe webhooks * Start recording root account ID instead of dummy 'root' value * Create unit test for Stripe create webhooks * Add tests for Stripe Translate webhook * Share logic between Stripe balance polling and webhook handle * Use supported webhooks map * Update existing stripe webhooks instead of creating new ones at app start time * Run install sequence for each connector at app start of payments api pods * Turn of balances periodically for Stripe * Add nil checks for balance.Available * Remove potentially sensitive information from error message * Add migration tool to remove FETCH BALANCES schedules from stripe
127 lines
3.2 KiB
Go
127 lines
3.2 KiB
Go
package client
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import (
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"fmt"
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"github.com/stripe/stripe-go/v80"
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)
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// Timeline allows the client to navigate the backlog and decide whether to fetch
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// historical or recently added data
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type Timeline struct {
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LatestID string `json:"latest_id"`
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BacklogCursor string `json:"backlog_cursor"`
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BacklogStartingPoint string `json:"backlog_starting_point,omitempty"` // used by users of fetchBacklog
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}
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func (t Timeline) IsCaughtUp() bool {
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return t.LatestID != ""
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}
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// used to find oldest transaction since we can only import them in chronological order
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func scanForOldest(
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timeline Timeline,
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pageSize int64,
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listFn func(stripe.ListParams) (stripe.ListContainer, error),
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) (interface{}, Timeline, bool, error) {
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filters := stripe.ListParams{
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Limit: limit(pageSize, 0),
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Single: true, // turn off autopagination
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}
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if timeline.BacklogCursor != "" {
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filters.StartingAfter = &timeline.BacklogCursor
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}
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var oldest interface{}
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var oldestID string
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list, err := listFn(filters)
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if err != nil {
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return oldest, timeline, false, err
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}
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hasMore := list.GetListMeta().HasMore
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switch v := list.(type) {
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case *stripe.BalanceTransactionList:
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if len(v.Data) == 0 {
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return oldest, timeline, hasMore, nil
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}
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trx := v.Data[len(v.Data)-1]
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oldest = trx
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oldestID = trx.ID
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default:
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return nil, timeline, hasMore, fmt.Errorf("failed to scan for oldest for type %T", list)
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}
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// we haven't found the oldest yet
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if hasMore {
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timeline.BacklogCursor = oldestID
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return nil, timeline, hasMore, nil
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}
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timeline.LatestID = oldestID
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return oldest, timeline, hasMore, nil
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}
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// fetchBacklog receives records we don't need to fetch in chronological order
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func fetchBacklog(
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timeline Timeline,
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pageSize int64,
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listFn func(stripe.ListParams) (stripe.ListContainer, error),
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) ([]interface{}, Timeline, bool, error) {
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filters := stripe.ListParams{
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Limit: limit(pageSize, 0),
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Single: true, // turn off autopagination
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}
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if timeline.BacklogCursor != "" {
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filters.StartingAfter = &timeline.BacklogCursor
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}
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results := make([]interface{}, 0, pageSize)
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var oldestID, newestID string
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list, err := listFn(filters)
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if err != nil {
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return results, timeline, false, err
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}
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hasMore := list.GetListMeta().HasMore
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switch v := list.(type) {
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case *stripe.AccountList:
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if len(v.Data) == 0 {
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return results, timeline, hasMore, nil
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}
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account := v.Data[len(v.Data)-1]
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oldestID = account.ID
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newestID = v.Data[0].ID
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for _, acc := range v.Data {
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results = append(results, acc)
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}
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case *stripe.BankAccountList:
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if len(v.Data) == 0 {
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return results, timeline, hasMore, nil
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}
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account := v.Data[len(v.Data)-1]
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oldestID = account.ID
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newestID = v.Data[0].ID
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for _, acc := range v.Data {
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results = append(results, acc)
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}
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default:
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return results, timeline, hasMore, fmt.Errorf("failed to fetch backlog for type %T", list)
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}
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// on the very first run we keep track of where we started
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if timeline.BacklogStartingPoint == "" {
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timeline.BacklogStartingPoint = newestID
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}
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// we haven't found the oldest yet
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if hasMore {
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timeline.BacklogCursor = oldestID
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} else {
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timeline.LatestID = timeline.BacklogStartingPoint
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}
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return results, timeline, hasMore, nil
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}
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