Removes backendFactory placeholder type

codex/codex.nim

@@ -273,9 +273,7 @@ proc new*(
     engine = BlockExcEngine.new(repoStore, wallet, network, blockDiscovery, advertiser, peerStore, pendingBlocks)
     store = NetworkStore.new(engine, repoStore)
     prover = if config.prover:
-      let
-        backendFactory = BackendFactory()
-        backend = backendFactory.initializeBackend(config).expect("Unable to create prover backend.")
+      let backend = config.initializeBackend().expect("Unable to create prover backend.")
       some Prover.new(store, backend, config)
     else:
       none Prover

codex/slots/proofs/backendfactory.nim

@@ -11,9 +11,6 @@ import ../../conf
 import ./backends
 import ./backendutils
 
-type
-  BackendFactory* = object of RootObj
-
 proc initializeFromConfig(
   config: CodexConf,
   utils: BackendUtils): ?!AnyBackend =
@@ -73,7 +70,6 @@ proc suggestDownloadTool(config: CodexConf) =
   echo "'./" & tokens.join(" ") & "'"
 
 proc initializeBackend*(
-  self: BackendFactory,
   config: CodexConf,
   utils: BackendUtils = BackendUtils()): ?!AnyBackend =
 

tests/codex/slots/testbackendfactory.nim

@@ -36,7 +36,6 @@ suite "Test BackendFactory":
   let
     utilsMock = BackendUtilsMock()
     circuitDir = "testecircuitdir"
-    factory = BackendFactory()
 
   setup:
     createDir(circuitDir)
@@ -57,7 +56,7 @@ suite "Test BackendFactory":
         circomWasm: InputFile("tests/circuits/fixtures/proof_main.wasm"),
         circomZkey: InputFile("tests/circuits/fixtures/proof_main.zkey")
       )
-      backend = factory.initializeBackend(config, utilsMock).tryGet
+      backend = config.initializeBackend(utilsMock).tryGet
 
     check:
       backend.vkp != nil
@@ -79,7 +78,7 @@ suite "Test BackendFactory":
         # will be picked up as local files:
         circuitDir: OutDir("tests/circuits/fixtures")
       )
-      backend = factory.initializeBackend(config, utilsMock).tryGet
+      backend = config.initializeBackend(utilsMock).tryGet
 
     check:
       backend.vkp != nil
@@ -98,7 +97,7 @@ suite "Test BackendFactory":
         marketplaceAddress: EthAddress.example.some,
         circuitDir: OutDir(circuitDir)
       )
-      backendResult = factory.initializeBackend(config, utilsMock)
+      backendResult = config.initializeBackend(utilsMock)
 
     check:
       backendResult.isErr

tests/codex/slots/testprover.nim

@@ -52,10 +52,7 @@ suite "Test Prover":
         circomZkey: InputFile("tests/circuits/fixtures/proof_main.zkey"),
         numProofSamples: samples
       )
-
-    let
-      backendFactory = BackendFactory()
-      backend = backendFactory.initializeBackend(config).tryGet()
+      backend = config.initializeBackend().tryGet()
 
     store = RepoStore.new(repoDs, metaDs)
     prover = Prover.new(store, backend, config)