Fixes for ganache JSON RPC mistakes

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/receipt.ex

@@ -282,6 +282,11 @@ defmodule EthereumJSONRPC.Receipt do
     end
   end
 
+  # fixes for latest ganache JSON RPC
+  defp entry_to_elixir({key, quantity}) when key in ~w(r s v) do
+    :ignore
+  end
+
   defp entry_to_elixir({key, value}) do
     {:error, {:unknown_key, %{key: key, value: value}}}
   end

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex

@@ -311,6 +311,11 @@ defmodule EthereumJSONRPC.Transaction do
     {key, quantity_to_integer(quantity)}
   end
 
+  # as always ganache has it's own vision on JSON RPC standard
+  defp entry_to_elixir({key, quantity}) when key in ~w(r s v) and quantity == nil do
+    {key, 0}
+  end
+
   # quantity or nil for pending
   defp entry_to_elixir({key, quantity_or_nil}) when key in ~w(blockNumber transactionIndex) do
     elixir =