fix verify vr segment

Author: vans163

ex/lib/bic/base.ex

@@ -28,11 +28,12 @@ defmodule BIC.Base do
         end)
 
         #parallel verify sols
+        segment_vr_hash = kv_get("bic:epoch:segment_vr_hash")
         steam = Task.async_stream(txus, fn txu ->
             sol = Enum.find_value(txu.tx.actions, fn(a)-> a.function == "submit_sol" and length(a.args) != [] and hd(a.args) end)
             if sol do
               hash = Blake3.hash(sol)
-              valid = try do BIC.Sol.verify(sol, %{hash: hash, vr_b3: env.entry_vr_b3}) catch _,_ -> false end
+              valid = try do BIC.Sol.verify(sol, %{hash: hash, vr_b3: env.entry_vr_b3, segment_vr_hash: segment_vr_hash}) catch _,_ -> false end
               %{hash: hash, valid: valid}
             end
         end)

ex/lib/bic/sol.ex

@@ -42,7 +42,7 @@ defmodule BIC.Sol do
       cond do
         epoch >= 282 ->
           usol = unpack(sol)
-          if kv_get("bic:epoch:segment_vr_hash") != usol.segment_vr_hash, do: throw %{error: :segment_vr_hash}
+          if opts.segment_vr_hash != usol.segment_vr_hash, do: throw %{error: :segment_vr_hash}
           if byte_size(sol) != @sol_size, do: throw(%{error: :invalid_sol_seed_size})
           hash = Map.get_lazy(opts, :hash, fn()-> Blake3.hash(sol) end)
           vr_b3 = Map.get_lazy(opts, :vr_b3, fn()-> :crypto.strong_rand_bytes(32) end)

ex/lib/node/node_state.ex

@@ -62,7 +62,8 @@ defmodule NodeState do
       send(NodeGen, {:handle_sync, :ping_ns, istate, term})
     catch
       e,{:badmatch, %{error: :wrong_epoch}} -> nil
-      e,r -> IO.inspect {:error_ping, e, r, term, istate.peer.ip}
+      e,r -> nil
+        #IO.inspect {:error_ping, e, r, term, istate.peer.ip, __STACKTRACE__}
     end
   end
   def handle(:ping_ns, istate, term) do
@@ -134,7 +135,7 @@ defmodule NodeState do
       sol.epoch != Consensus.chain_epoch() ->
         #IO.inspect {:broadcasted_sol_invalid_epoch, sol.epoch, Consensus.chain_epoch()}
         nil
-      !BIC.Sol.verify(term.sol, %{vr_b3: :crypto.strong_rand_bytes(32)}) ->
+      !BIC.Sol.verify(term.sol, %{vr_b3: :crypto.strong_rand_bytes(32), segment_vr_hash: API.Contract.get("bic:epoch:segment_vr_hash")}) ->
         IO.inspect {:peer_sent_invalid_sol, :TODO_block_malicious_peer}
         nil
       !BlsEx.verify?(sol.pk, sol.pop, sol.pk, BLS12AggSig.dst_pop()) ->