Jabit/core/src/main/kotlin/ch/dissem/bitmessage/entity/payload/GetPubkey.kt

64 lines
1.9 KiB
Kotlin

/*
* Copyright 2017 Christian Basler
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ch.dissem.bitmessage.entity.payload
import ch.dissem.bitmessage.entity.BitmessageAddress
import ch.dissem.bitmessage.utils.Decode
import java.io.InputStream
import java.io.OutputStream
import java.nio.ByteBuffer
/**
* Request for a public key.
*/
class GetPubkey : ObjectPayload {
override val type: ObjectType = ObjectType.GET_PUBKEY
override val stream: Long
/**
* @return an array of bytes that represent either the ripe, or the tag of an address, depending on the
* * address version.
*/
val ripeTag: ByteArray
constructor(address: BitmessageAddress) : super(address.version) {
this.stream = address.stream
this.ripeTag = if (address.version < 4) address.ripe else
address.tag ?: throw IllegalStateException("Address of version 4 without tag shouldn't exist!")
}
private constructor(version: Long, stream: Long, ripeOrTag: ByteArray) : super(version) {
this.stream = stream
this.ripeTag = ripeOrTag
}
override fun write(out: OutputStream) {
out.write(ripeTag)
}
override fun write(buffer: ByteBuffer) {
buffer.put(ripeTag)
}
companion object {
@JvmStatic fun read(`is`: InputStream, stream: Long, length: Int, version: Long): GetPubkey {
return GetPubkey(version, stream, Decode.bytes(`is`, length))
}
}
}