@Override
public boolean removeFollowRequest(UserPublicKey owner, byte[] req) {
try {
byte[] unsigned = owner.unsignMessage(req);
FollowRequestData request = new FollowRequestData(owner, unsigned);
return request.delete();
} catch (TweetNaCl.InvalidSignatureException e) {
return false;
}
}
@Override
public boolean followRequest(UserPublicKey owner, byte[] encryptedPermission) {
byte[] dummy = null;
FollowRequestData selector = new FollowRequestData(owner, dummy);
RowData[] requests = selector.select();
if (requests != null && requests.length > CoreNode.MAX_PENDING_FOLLOWERS) return false;
// ToDo add a crypto currency transaction to prevent spam
FollowRequestData request = new FollowRequestData(owner, encryptedPermission);
return request.insert();
}
@Override
public byte[] getFollowRequests(UserPublicKey owner) {
byte[] dummy = null;
FollowRequestData request = new FollowRequestData(owner, dummy);
RowData[] requests = request.select();
if (requests == null) return new byte[4];
ByteArrayOutputStream bout = new ByteArrayOutputStream();
DataOutput dout = new DataOutputStream(bout);
try {
dout.writeInt(requests.length);
for (RowData req : requests) Serialize.serialize(req.data, dout);
return bout.toByteArray();
} catch (IOException e) {
e.printStackTrace();
return null;
}
}