Allow importing module parameters with filepath in scripts

packages/hardhat-plugin-ethers/src/ethers-ignition-helper.ts

@@ -2,6 +2,7 @@ import {
   HardhatArtifactResolver,
   PrettyEventHandler,
   errorDeploymentResultToExceptionMessage,
+  readDeploymentParameters,
   resolveDeploymentId,
 } from "@nomicfoundation/hardhat-ignition/helpers";
 import {
@@ -81,7 +82,7 @@ export class EthersIgnitionHelper {
       deploymentId: givenDeploymentId = undefined,
       displayUi = false,
     }: {
-      parameters?: DeploymentParameters;
+      parameters?: DeploymentParameters | string;
       config?: Partial<DeployConfig>;
       defaultSender?: string;
       strategy?: StrategyT;
@@ -142,14 +143,22 @@ export class EthersIgnitionHelper {
       ? new PrettyEventHandler()
       : undefined;
 
+    let deploymentParameters: DeploymentParameters;
+
+    if (typeof parameters === "string") {
+      deploymentParameters = await readDeploymentParameters(parameters);
+    } else {
+      deploymentParameters = parameters;
+    }
+
     const result = await deploy({
       config: resolvedConfig,
       provider: this._provider,
       deploymentDir,
       executionEventListener,
       artifactResolver,
       ignitionModule,
-      deploymentParameters: parameters,
+      deploymentParameters,
       accounts,
       defaultSender,
       strategy,

packages/hardhat-plugin-viem/src/viem-ignition-helper.ts

@@ -4,6 +4,7 @@ import {
   HardhatArtifactResolver,
   PrettyEventHandler,
   errorDeploymentResultToExceptionMessage,
+  readDeploymentParameters,
   resolveDeploymentId,
 } from "@nomicfoundation/hardhat-ignition/helpers";
 import {
@@ -74,7 +75,7 @@ export class ViemIgnitionHelper {
       deploymentId: givenDeploymentId = undefined,
       displayUi = false,
     }: {
-      parameters?: DeploymentParameters;
+      parameters?: DeploymentParameters | string;
       config?: Partial<DeployConfig>;
       defaultSender?: string;
       strategy?: StrategyT;
@@ -132,14 +133,22 @@ export class ViemIgnitionHelper {
       ? new PrettyEventHandler()
       : undefined;
 
+    let deploymentParameters: DeploymentParameters;
+
+    if (typeof parameters === "string") {
+      deploymentParameters = await readDeploymentParameters(parameters);
+    } else {
+      deploymentParameters = parameters;
+    }
+
     const result = await deploy({
       config: resolvedConfig,
       provider: this._provider,
       deploymentDir,
       executionEventListener,
       artifactResolver,
       ignitionModule,
-      deploymentParameters: parameters,
+      deploymentParameters,
       accounts,
       defaultSender,
       strategy,

packages/hardhat-plugin/src/helpers.ts

@@ -2,3 +2,4 @@ export { HardhatArtifactResolver } from "./hardhat-artifact-resolver";
 export { errorDeploymentResultToExceptionMessage } from "./utils/error-deployment-result-to-exception-message";
 export { resolveDeploymentId } from "./utils/resolve-deployment-id";
 export { PrettyEventHandler } from "./ui/pretty-event-handler";
+export { readDeploymentParameters } from "./utils/read-deployment-parameters";

packages/hardhat-plugin/src/index.ts

@@ -7,14 +7,7 @@ import {
   StatusResult,
 } from "@nomicfoundation/ignition-core";
 import debug from "debug";
-import {
-  ensureDir,
-  pathExists,
-  readFile,
-  readdirSync,
-  rm,
-  writeJSON,
-} from "fs-extra";
+import { ensureDir, pathExists, readdirSync, rm, writeJSON } from "fs-extra";
 import { extendConfig, extendEnvironment, scope } from "hardhat/config";
 import { NomicLabsHardhatPluginError } from "hardhat/plugins";
 import { parse as json5Parse } from "json5";
@@ -24,6 +17,7 @@ import "./type-extensions";
 import { calculateDeploymentStatusDisplay } from "./ui/helpers/calculate-deployment-status-display";
 import { bigintReviver } from "./utils/bigintReviver";
 import { getApiKeyAndUrls } from "./utils/getApiKeyAndUrls";
+import { readDeploymentParameters } from "./utils/read-deployment-parameters";
 import { resolveDeploymentId } from "./utils/resolve-deployment-id";
 import { shouldBeHardhatPluginError } from "./utils/shouldBeHardhatPluginError";
 import { verifyEtherscanContract } from "./utils/verifyEtherscanContract";
@@ -734,7 +728,7 @@ async function resolveParametersFromModuleName(
   const configFilename = `${moduleName}.config.json`;
 
   return files.includes(configFilename)
-    ? resolveConfigPath(path.resolve(ignitionPath, configFilename))
+    ? readDeploymentParameters(path.resolve(ignitionPath, configFilename))
     : undefined;
 }
 
@@ -743,31 +737,7 @@ async function resolveParametersFromFileName(
 ): Promise<DeploymentParameters> {
   const filepath = path.resolve(process.cwd(), fileName);
 
-  return resolveConfigPath(filepath);
-}
-
-async function resolveConfigPath(
-  filepath: string
-): Promise<DeploymentParameters> {
-  try {
-    const rawFile = await readFile(filepath);
-
-    return await json5Parse(rawFile.toString(), bigintReviver);
-  } catch (e) {
-    if (e instanceof NomicLabsHardhatPluginError) {
-      throw e;
-    }
-
-    if (e instanceof Error) {
-      throw new NomicLabsHardhatPluginError(
-        "@nomicfoundation/hardhat-ignition",
-        `Could not parse parameters from ${filepath}`,
-        e
-      );
-    }
-
-    throw e;
-  }
+  return readDeploymentParameters(filepath);
 }
 
 function resolveParametersString(paramString: string): DeploymentParameters {

packages/hardhat-plugin/src/utils/read-deployment-parameters.ts

@@ -0,0 +1,30 @@
+import { DeploymentParameters } from "@nomicfoundation/ignition-core";
+import { readFile } from "fs-extra";
+import { NomicLabsHardhatPluginError } from "hardhat/plugins";
+import { parse as json5Parse } from "json5";
+
+import { bigintReviver } from "./bigintReviver";
+
+export async function readDeploymentParameters(
+  filepath: string
+): Promise<DeploymentParameters> {
+  try {
+    const rawFile = await readFile(filepath);
+
+    return await json5Parse(rawFile.toString(), bigintReviver);
+  } catch (e) {
+    if (e instanceof NomicLabsHardhatPluginError) {
+      throw e;
+    }
+
+    if (e instanceof Error) {
+      throw new NomicLabsHardhatPluginError(
+        "@nomicfoundation/hardhat-ignition",
+        `Could not parse parameters from ${filepath}`,
+        e
+      );
+    }
+
+    throw e;
+  }
+}