commonMain.fr.acinq.lightning.wire.OnionRouting.kt Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of lightning-kmp-jvm Show documentation
Show all versions of lightning-kmp-jvm Show documentation
A Kotlin Multiplatform implementation of the Lightning Network
package fr.acinq.lightning.wire
import fr.acinq.bitcoin.ByteVector
import fr.acinq.bitcoin.ByteVector32
import fr.acinq.bitcoin.io.ByteArrayInput
import fr.acinq.bitcoin.io.ByteArrayOutput
import fr.acinq.bitcoin.io.Input
import fr.acinq.bitcoin.io.Output
import fr.acinq.lightning.utils.toByteVector
import fr.acinq.lightning.utils.toByteVector32
data class OnionRoutingPacket(
val version: Int,
val publicKey: ByteVector,
val payload: ByteVector,
val hmac: ByteVector32
) {
companion object {
const val PaymentPacketLength = 1300
}
}
/**
* @param payloadLength length of the onion-encrypted payload.
*/
class OnionRoutingPacketSerializer(private val payloadLength: Int) {
fun read(input: Input): OnionRoutingPacket {
return OnionRoutingPacket(
LightningCodecs.byte(input),
LightningCodecs.bytes(input, 33).toByteVector(),
LightningCodecs.bytes(input, payloadLength).toByteVector(),
LightningCodecs.bytes(input, 32).toByteVector32()
)
}
fun read(bytes: ByteArray): OnionRoutingPacket = read(ByteArrayInput(bytes))
fun write(message: OnionRoutingPacket, out: Output) {
LightningCodecs.writeByte(message.version, out)
LightningCodecs.writeBytes(message.publicKey, out)
LightningCodecs.writeBytes(message.payload, out)
LightningCodecs.writeBytes(message.hmac, out)
}
fun write(message: OnionRoutingPacket): ByteArray {
val out = ByteArrayOutput()
write(message, out)
return out.toByteArray()
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy