Add context of the resolved circuit to the cache (#55)

* Added context of the resolved circuit to the cache

* Fixed typo in test

* Reverted changes. Reverted context caching. Cached parsing result

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@solarity/hardhat-zkit",
-  "version": "0.4.13",
+  "version": "0.4.14",
   "description": "The ultimate TypeScript environment for Circom development",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",

src/cache/schemas/compile-schemas.ts

@@ -28,6 +28,7 @@ export const TemplateSchema = z.object({
   parameters: z.string().array(),
   isCustom: z.boolean(),
   parallel: z.boolean(),
+  parsedInputs: z.record(z.string(), InputDataSchema).optional(),
 });
 
 export const TemplatesSchema = z.record(z.string(), TemplateSchema);

src/core/dependencies/CircomFilesResolver.ts

@@ -13,7 +13,7 @@ import {
   validateSourceNameFormat,
 } from "hardhat/utils/source-names";
 
-import { HardhatError, assertHardhatInvariant } from "hardhat/internal/core/errors";
+import { assertHardhatInvariant, HardhatError } from "hardhat/internal/core/errors";
 import { ERRORS } from "hardhat/internal/core/errors-list";
 import { getRealPath } from "hardhat/internal/util/fs-utils";
 import { createNonCryptographicHashBasedIdentifier } from "hardhat/internal/util/hash";
@@ -24,8 +24,8 @@ import { HardhatZKitError } from "../../errors";
 
 import {
   CircomResolvedFile as ICircomResolvedFile,
-  ResolvedMainComponentData,
   ResolvedFileData,
+  ResolvedMainComponentData,
   SignalType,
   VisibilityType,
 } from "../../types/core";
@@ -249,11 +249,12 @@ export class CircomFilesResolver {
         },
       );
 
-      const parsedInputs = this._parser.parseTemplateInputs(
-        fileWithTemplate,
-        templateName,
-        mainComponentData.parameters,
-      );
+      if (!fileWithTemplate.fileData.parsedFileData.templates[templateName].parsedInputs) {
+        fileWithTemplate.fileData.parsedFileData.templates[templateName].parsedInputs =
+          this._parser.parseTemplateInputs(fileWithTemplate, templateName, mainComponentData.parameters);
+      }
+
+      const parsedInputs = fileWithTemplate.fileData.parsedFileData.templates[templateName].parsedInputs!;
 
       for (const key of Object.keys(parsedInputs)) {
         const signalType: SignalType = this._getSignalType(parsedInputs[key].type);

src/types/core/dependencies/parser/circom-files-visitor.ts

@@ -59,6 +59,7 @@ export type Template = {
   isCustom: boolean;
   parallel: boolean;
   context: TemplateDefinitionContext;
+  parsedInputs?: Record<string, InputData>;
 };
 
 export type Templates = {

test/fixture-projects/hardhat-project-with-circuits/mock-circuits/newMul2.circom

@@ -0,0 +1,5 @@
+pragma circom 2.0.0;
+
+include "base/mul2Base.circom";
+
+component main = Multiplier2();

test/integration/tasks.test.ts

@@ -379,6 +379,7 @@ describe("ZKit tasks", async function () {
         "contracts",
         "generated-types",
         "hardhat.config.ts",
+        "mock-circuits",
         "package.json",
       ]);
 

test/unit/cache/circuits-compile-cache.test.ts

@@ -9,7 +9,7 @@ import { getNormalizedFullPath } from "@src/utils/path-utils";
 
 import { defaultCompileFlags } from "../../constants";
 import { CompileCacheEntry } from "@src/types/cache";
-import { TASK_CIRCUITS_COMPILE, ZKIT_SCOPE_NAME } from "@src/task-names";
+import { TASK_CIRCUITS_COMPILE, TASK_CIRCUITS_MAKE, ZKIT_SCOPE_NAME } from "@src/task-names";
 import { CIRCUITS_COMPILE_CACHE_FILENAME, CIRCUIT_COMPILE_CACHE_VERSION } from "@src/constants";
 
 import { CircuitsCompileCache, createCircuitsCompileCache, resetCircuitsCompileCache } from "@src/cache";
@@ -107,4 +107,21 @@ describe("CircuitsCompileCache", () => {
       fsExtra.rmSync(typesDir, { recursive: true, force: true });
     });
   });
+
+  describe("context-caching", () => {
+    useEnvironment("with-circuits", true);
+
+    it("should correctly cache the context", async function () {
+      await this.hre.run({ scope: ZKIT_SCOPE_NAME, task: TASK_CIRCUITS_MAKE });
+
+      const mockCircuitSourcePath = getNormalizedFullPath(this.hre.config.paths.root, "mock-circuits/newMul2.circom");
+      const mockCircuitDestinationPath = getNormalizedFullPath(this.hre.config.paths.root, "circuits/newMul2.circom");
+
+      fsExtra.copyFileSync(mockCircuitSourcePath, mockCircuitDestinationPath);
+
+      await expect(this.hre.run({ scope: ZKIT_SCOPE_NAME, task: TASK_CIRCUITS_MAKE })).to.be.fulfilled;
+
+      fsExtra.rmSync(mockCircuitDestinationPath);
+    });
+  });
 });