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Add option to create PTLC invoice with specified scalar/preimage. (#1) #18

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Add option to create PTLC invoice with specified scalar/preimage. (#1) #18

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4 changes: 2 additions & 2 deletions eclair-core/src/main/scala/fr/acinq/eclair/payment/receive/MultiPartHandler.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -67,9 +67,9 @@ class MultiPartHandler(nodeParams: NodeParams, register: ActorRef, db: IncomingP
Some(PaymentRequest.PaymentRequestFeatures(f1 ++ f2 ++ f3: _*))
}
val (paymentPreimage, paymentRequest) = if (allowPTLC) {
val paymentScalar = randomKey
val paymentPreimage = paymentPreimage_opt.getOrElse(randomKey.value)
val paymentScalar = PrivateKey(paymentPreimage)
val paymentPoint = paymentScalar.publicKey
val paymentPreimage = paymentScalar.value
(paymentPreimage, PaymentRequest(nodeParams.chainHash, amount_opt, paymentPoint, nodeParams.privateKey, desc, nodeParams.minFinalExpiryDelta, fallbackAddress_opt, expirySeconds = Some(expirySeconds), extraHops = extraHops, features = features))
} else {
val paymentPreimage = paymentPreimage_opt.getOrElse(randomBytes32)
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1 change: 1 addition & 0 deletions eclair-core/src/main/scala/fr/acinq/eclair/payment/send/PaymentLifecycle.scala
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Expand Up @@ -146,6 +146,7 @@ class PaymentLifecycle(nodeParams: NodeParams, cfg: SendPaymentConfig, router: A
case Event(RES_ADD_SETTLED(_, ptlc: UpdateAddPtlc, fulfill: HtlcResult.FulfillPtlc), d: WaitingForComplete) =>
Metrics.PaymentAttempt.withTag(Tags.MultiPart, value = false).record(d.failures.size + 1)
val p = PartialPayment(id, d.c.finalPayload.amount, d.cmd.amount - d.c.finalPayload.amount, ptlc.channelId, Some(cfg.fullRoute(d.route)))
log.info(s"Add settled PTLC with preimage=${fulfill.paymentPreimage.value}.")
onSuccess(d.c.replyTo, cfg.createPaymentSent(fulfill.paymentPreimage.value, p :: Nil))
myStop()

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