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https://github.com/lightningnetwork/lnd.git
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cd02c22977
In this commit we move handing the deobfuscator from the router to the switch from when the payment is initiated, to when the result is queried. We do this because only the router can recreate the deobfuscator after a restart, and we are preparing for being able to handle results across restarts. Since the deobfuscator cannot be nil anymore, we can also get rid of that special case.
64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package routing
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import (
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"github.com/lightningnetwork/lnd/htlcswitch"
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"github.com/lightningnetwork/lnd/lnwire"
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)
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type mockPaymentAttemptDispatcher struct {
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onPayment func(firstHop lnwire.ShortChannelID) ([32]byte, error)
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results map[uint64]*htlcswitch.PaymentResult
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}
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var _ PaymentAttemptDispatcher = (*mockPaymentAttemptDispatcher)(nil)
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func (m *mockPaymentAttemptDispatcher) SendHTLC(firstHop lnwire.ShortChannelID,
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pid uint64,
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_ *lnwire.UpdateAddHTLC) error {
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if m.onPayment == nil {
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return nil
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}
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if m.results == nil {
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m.results = make(map[uint64]*htlcswitch.PaymentResult)
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}
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var result *htlcswitch.PaymentResult
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preimage, err := m.onPayment(firstHop)
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if err != nil {
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fwdErr, ok := err.(*htlcswitch.ForwardingError)
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if !ok {
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return err
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}
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result = &htlcswitch.PaymentResult{
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Error: fwdErr,
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}
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} else {
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result = &htlcswitch.PaymentResult{Preimage: preimage}
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}
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m.results[pid] = result
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return nil
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}
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func (m *mockPaymentAttemptDispatcher) GetPaymentResult(paymentID uint64,
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_ htlcswitch.ErrorDecrypter) (<-chan *htlcswitch.PaymentResult, error) {
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c := make(chan *htlcswitch.PaymentResult, 1)
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res, ok := m.results[paymentID]
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if !ok {
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return nil, htlcswitch.ErrPaymentIDNotFound
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}
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c <- res
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return c, nil
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}
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func (m *mockPaymentAttemptDispatcher) setPaymentResult(
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f func(firstHop lnwire.ShortChannelID) ([32]byte, error)) {
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m.onPayment = f
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}
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