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Add functions for LND subscription (#4062)

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benthecarman 2022-02-08 07:20:03 -06:00 • committed by GitHub
parent e2b9c458e4
commit 44373f8449
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2 changed files with 51 additions and 1 deletions
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23
lnd-rpc/src/main/scala/org/bitcoins/lnd/rpc/LndRpcClient.scala
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@ -56,6 +56,7 @@ import scala.util.{Failure, Success, Try}
class LndRpcClient(val instance: LndInstance, binaryOpt: Option[File] = None)(
implicit system: ActorSystem)
extends NativeProcessFactory
with LndUtils
with StartStopAsync[LndRpcClient]
with Logging {
instance match {
@ -248,6 +249,28 @@ class LndRpcClient(val instance: LndInstance, binaryOpt: Option[File] = None)(
lnd.subscribeInvoices(InvoiceSubscription())
}
def subscribeTransactions(): Source[TxDetails, NotUsed] = {
lnd
.subscribeTransactions(GetTransactionsRequest())
.map(LndTransactionToTxDetails)
}
def subscribeChannelEvents(): Source[ChannelEventUpdate, NotUsed] = {
lnd.subscribeChannelEvents(ChannelEventSubscription())
}
def subscribePeerEvents(): Source[PeerEvent, NotUsed] = {
lnd.subscribePeerEvents(PeerEventSubscription())
}
def subscribeChannelGraph(): Source[GraphTopologyUpdate, NotUsed] = {
lnd.subscribeChannelGraph(GraphTopologySubscription())
}
def subscribeChannelBackups(): Source[ChanBackupSnapshot, NotUsed] = {
lnd.subscribeChannelBackups(ChannelBackupSubscription())
}
def getNewAddress: Future[BitcoinAddress] = {
logger.trace("lnd calling newaddress")

29
lnd-rpc/src/main/scala/org/bitcoins/lnd/rpc/LndUtils.scala
View file

@ -3,8 +3,10 @@ package org.bitcoins.lnd.rpc
import com.google.protobuf.ByteString
import lnrpc.ChannelPoint
import lnrpc.ChannelPoint.FundingTxid.FundingTxidBytes
import org.bitcoins.commons.jsonmodels.lnd.TxDetails
import org.bitcoins.core.currency.Satoshis
import org.bitcoins.core.number.UInt32
import org.bitcoins.core.protocol.BitcoinAddress
import org.bitcoins.core.protocol.script.ScriptPubKey
import org.bitcoins.core.protocol.transaction._
import org.bitcoins.crypto._
@ -13,7 +15,7 @@ import signrpc.TxOut
import scala.language.implicitConversions
object LndUtils {
trait LndUtils {
implicit def byteVecToByteString(byteVector: ByteVector): ByteString =
ByteString.copyFrom(byteVector.toArray)
@ -50,4 +52,29 @@ object LndUtils {
val txId = FundingTxidBytes(outPoint.txId.bytes)
ChannelPoint(txId, outPoint.vout.toInt)
}
implicit def LndTransactionToTxDetails(
details: lnrpc.Transaction): TxDetails = {
val blockHashOpt = if (details.blockHash.isEmpty) {
None
} else Some(DoubleSha256DigestBE(details.blockHash))
val addrs =
details.destAddresses.map(BitcoinAddress.fromString).toVector
TxDetails(
txId = DoubleSha256DigestBE(details.txHash),
amount = Satoshis(details.amount),
numConfirmations = details.numConfirmations,
blockHashOpt = blockHashOpt,
blockHeight = details.blockHeight,
timeStamp = details.timeStamp,
totalFees = Satoshis(details.totalFees),
destAddresses = addrs,
tx = Transaction(details.rawTxHex),
label = details.label
)
}
}
object LndUtils extends LndUtils