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do open channel if promise expired, but cheap fees

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This commit is contained in:
Jesse de Wit
2023-05-15 15:11:21 +02:00
parent aaccc5fafb
commit 21da862da6
2 changed files with 27 additions and 5 deletions
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24
interceptor/intercept.go
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@@ -123,11 +123,25 @@ func (i *Interceptor) Intercept(nextHop string, reqPaymentHash []byte, reqOutgoi
}
if time.Now().UTC().After(validUntil) {
log.Printf("Intercepted expired payment registration. Failing payment. payment hash: %x, valid until: %s", paymentHash, params.ValidUntil)
return InterceptResult{
Action: INTERCEPT_FAIL_HTLC_WITH_CODE,
FailureCode: FAILURE_TEMPORARY_CHANNEL_FAILURE,
}, nil
feeEstimate, err := i.feeEstimator.EstimateFeeRate(context.Background(), i.feeStrategy)
if err != nil {
log.Printf("Intercepted expired payment registration. Failing payment. payment hash: %x, valid until: %s", paymentHash, params.ValidUntil)
return InterceptResult{
Action: INTERCEPT_FAIL_HTLC_WITH_CODE,
FailureCode: FAILURE_TEMPORARY_CHANNEL_FAILURE,
}, nil
}
minMsat := uint64(feeEstimate.SatPerVByte * float64(i.config.ExpiredPromiseMultiplicationFactor))
if minMsat >= params.MinMsat {
log.Printf("Intercepted expired payment registration. Failing payment. payment hash: %x, valid until: %s", paymentHash, params.ValidUntil)
return InterceptResult{
Action: INTERCEPT_FAIL_HTLC_WITH_CODE,
FailureCode: FAILURE_TEMPORARY_CHANNEL_FAILURE,
}, nil
}
log.Printf("Intercepted expired payment registration. Opening channel anyway, because it's cheaper at the current rate. feeEstimate: %v minMsat: %v, params: %+v", feeEstimate.SatPerVByte, minMsat, params)
}
channelPoint, err = i.openChannel(reqPaymentHash, destination, incomingAmountMsat)