fix quirk

Author: vans163

ex/lib/api/api_tx.ex

@@ -12,7 +12,7 @@ defmodule API.TX do
             %{hash: entry_hash, header: %{slot: slot}, txs: txs} ->
                 Enum.map(txs, fn(txu)->
                     txu = TX.unpack(txu)
-                    |> Map.put(txu, :metadata, %{entry_hash: entry_hash, entry_slot: slot})
+                    |> Map.put(:metadata, %{entry_hash: entry_hash, entry_slot: slot})
                     format_tx_for_client(txu)
                 end)
         end

ex/lib/consensus/models/tx.ex

@@ -44,6 +44,9 @@ defmodule TX do
    def unpack(tx_packed) do
      try do
       txu = RDB.vecpak_decode(tx_packed)
+      txu = if !txu[:tx_encoded] do txu else
+        Map.put(txu, :tx, VanillaSer.decode!(txu.tx_encoded))
+      end
       Map.take(txu, @fields)
      catch
      _,_ ->