proving wiring

benchmarks/circomcompat_cli.nim

@@ -11,9 +11,7 @@ import pkg/poseidon2/io
 import ./utils
 import ./create_circuits
 
-type
+type CircomCircuit* = object
-
-  CircomCircuit* = object
   r1csPath*: string
   wasmPath*: string
   zkeyPath*: string
@@ -31,20 +29,16 @@ proc release*(self: CircomCircuit) =
   if not isNil(self.vkp):
     self.vkp.unsafeAddr.release_key()
 
-proc init*(
+proc initialize*(self: var CircomCircuit) =
-    _: type CircomCircuit,
-    r1csPath: string,
-    wasmPath: string,
-    zkeyPath: string = "",
-): CircomCircuit =
   ## Create a new ctx
   ##
 
   var cfg: ptr CircomBn254Cfg
-  var zkey = if zkeyPath.len > 0: zkeyPath.cstring else: nil
+  var zkey = if self.zkeyPath.len > 0: self.zkeyPath.cstring else: nil
 
-  if initCircomConfig(r1csPath.cstring, wasmPath.cstring, zkey, cfg.addr) != ERR_OK or
+  if initCircomConfig(
-      cfg == nil:
+    self.r1csPath.cstring, self.wasmPath.cstring, self.zkeyPath.cstring, cfg.addr
+  ) != ERR_OK or cfg == nil:
     if cfg != nil:
       cfg.addr.releaseCfg()
     raiseAssert("failed to initialize circom compat config")
@@ -56,13 +50,8 @@ proc init*(
       vkpPtr.addr.releaseKey()
     raiseAssert("Failed to get verifying key")
 
-  CircomCircuit(
+  self.backendCfg = cfg
-    r1csPath: r1csPath,
+  self.vkp = vkpPtr
-    wasmPath: wasmPath,
-    zkeyPath: zkeyPath,
-    backendCfg: cfg,
-    vkp: vkpPtr,
-  )
 
 proc prove*(self: CircomCircuit, input: JsonNode) =
   ## Encode buffers using a ctx
@@ -155,9 +144,10 @@ proc parseCliOptions(self: var CircomCircuit) =
       printHelp()
     val.absolutePath
 
-  let params = @[
+  let params =
+    @[
       "--dir:benchmarks/circuit_bench_depth32_maxslots256_cellsize2048_blocksize65536_nsamples1_entropy1234567_seed12345_nslots11_ncells512_index3/",
-    "--name:proof_main",
+      "--name:proof_main"
     ]
 
   for kind, key, value in getOpt(params):
@@ -199,8 +189,7 @@ proc run*() =
 
   # prove wasm ${CIRCUIT_MAIN}.zkey witness.wtns proof.json public.json
 
-  var
+  var self = CircomCircuit()
-    self = CircomCircuit()
 
   parseCliOptions(self)
 
@@ -237,6 +226,8 @@ proc run*() =
     echo "ERROR: couldn't find all files"
     printHelp()
 
+  self.initialize()
+
   var
     inputData = self.inputsPath.readFile()
     inputs: JsonNode = !JsonNode.parse(inputData)