Transaction_snark: Patch ring_sig test and move it to subfolder

Author: glyh

src/lib/transaction_snark/test/proof_cache.json

@@ -0,0 +1,38 @@
+(library
+ (name ring_sig_tests)
+ (libraries
+  ;; opam libraries
+  ppx_inline_test.config
+  async_unix
+  async
+  core
+  base
+  core_kernel
+  yojson
+  ppx_deriving_yojson.runtime
+  result
+  ;; local libraries
+  mina_base.import
+  pickles
+  transaction_snark
+  snark_params
+  mina_ledger
+  mina_base
+  mina_transaction_logic
+  currency
+  mina_state
+  signature_lib
+  genesis_constants
+  transaction_protocol_state
+  pickles_types
+  mina_numbers
+  sgn
+  transaction_snark_tests)
+ (library_flags -linkall)
+ (inline_tests
+  (flags -verbose -show-counts)
+  (deps proof_cache.json))
+ (preprocess
+  (pps ppx_snarky ppx_version ppx_jane))
+ (instrumentation
+  (backend bisect_ppx)))

src/lib/transaction_snark/test/ring_sig/dune

@@ -1,8 +1,8 @@
-open Util
 open Core
 open Currency
 open Mina_base
 open Signature_lib
+open Transaction_snark_tests.Util
 module Impl = Pickles.Impls.Step
 module Inner_curve = Snark_params.Tick.Inner_curve
 module Nat = Pickles_types.Nat