v0.10.0 with support for routerrpc

lib/lnrpc.rb

@@ -1,10 +1,22 @@
-require "lnrpc/version"
-require "lnrpc/rpc_services_pb"
+require 'lnrpc/version'
+require 'lnrpc/rpc_services_pb'
+require 'lnrpc/router_services_pb'
+require 'securerandom'
 
 module Lnrpc
   class Error < StandardError; end
   autoload :Client, 'lnrpc/client'
+  autoload :GrpcWrapper, 'lnrpc/grpc_wrapper'
   autoload :MacaroonInterceptor, 'lnrpc/macaroon_interceptor'
+
+  PREIMAGE_BYTE_LENGTH = 32
+  KEY_SEND_PREIMAGE_TYPE = 5482373484
+
+  def self.create_preimage
+    SecureRandom.random_bytes(PREIMAGE_BYTE_LENGTH)
+  end
+
+  def self.to_byte_array(str)
+    [str].pack("H*")
+  end
 end
-
-