use full jsonrpc protocol

server/testgame/TestGame/Levels/Level5.lean

@@ -63,12 +63,13 @@ Start by casting `induction_on n`.
 "
 
 Statement (n : ℕ) : 0 + n = n := by
-  induction_on n
-  rewrite [add_zero]
-  rfl
-  rewrite [add_succ]
-  rewrite [ind_hyp]
-  rfl
+  sorry
+  -- induction_on n
+  -- rewrite [add_zero]
+  -- rfl
+  -- rewrite [add_succ]
+  -- rewrite [ind_hyp]
+  -- rfl
 
 Message : (0 : ℕ) + 0 = 0  => "
 We now have *two goals!* The

server/testgame/TestGame/MyNat.lean

@@ -16,5 +16,5 @@ axiom add_zero : ∀ a : ℕ, a + 0 = a
 
 axiom add_succ : ∀ a b : ℕ, a + succ b = succ (a + b)
 
-@[elabAsElim] axiom myInduction {P : ℕ → Prop} (n : ℕ) (h₀ : P 0) (h : ∀ n, P n → P (succ n)) : P n
+@[elab_as_elim] axiom myInduction {P : ℕ → Prop} (n : ℕ) (h₀ : P 0) (h : ∀ n, P n → P (succ n)) : P n
 

server/testgame/TestGame/Tactics.lean

@@ -8,5 +8,5 @@ elab "swap" : tactic => do
   | g₁::g₂::t => setGoals (g₂::g₁::t)
   | _ => pure ()
 
-macro "induction_on" n:ident : tactic => 
-`(tactic| refine myInduction $n ?base ?inductive_step; swap; clear $n; intro $n $(mkIdent `ind_hyp); swap)
+-- macro "induction_on" n:ident : tactic => 
+-- `(tactic| refine myInduction $n ?base ?inductive_step; swap; clear $n; intro $n $(mkIdent `ind_hyp); swap)

server/testgame/lakefile.lean

@@ -5,5 +5,5 @@ require GameServer from ".."/"leanserver"
 
 package TestGame
 
-@[defaultTarget]
+@[default_target]
 lean_lib TestGame

server/testgame/lean-toolchain

@@ -1 +1 @@
-leanprover/lean4:nightly-2022-09-23
+leanprover/lean4:nightly-2022-10-29