Jabit/core/src/main/java/ch/dissem/bitmessage/entity/payload/ObjectPayload.java

66 lines
1.8 KiB
Java

/*
* Copyright 2015 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.ObjectMessage;
import ch.dissem.bitmessage.entity.Streamable;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Serializable;
/**
* The payload of an 'object' command. This is shared by the network.
*/
public abstract class ObjectPayload implements Streamable {
private final long version;
protected ObjectPayload(long version) {
this.version = version;
}
public abstract ObjectType getType();
public abstract long getStream();
public long getVersion() {
return version;
}
public boolean isSigned() {
return false;
}
public void writeBytesToSign(OutputStream out) throws IOException {
// nothing to do
}
/**
* @return the ECDSA signature which, as of protocol v3, covers the object header starting with the time,
* appended with the data described in this table down to the extra_bytes. Therefore, this must
* be checked and set in the {@link ObjectMessage} object.
*/
public byte[] getSignature() {
return null;
}
public void setSignature(byte[] signature) {
// nothing to do
}
}