chore: Add stub of OApp wiring

packages/ua-utils-evm-hardhat-test/test/task/oapp/__data__/configs/invalid.config.001.js

@@ -0,0 +1 @@
+export default [];

packages/ua-utils-evm-hardhat-test/test/task/oapp/wire.test.ts

@@ -0,0 +1,42 @@
+import { setupDefaultEndpoint } from '../../__utils__/endpoint'
+import hre from 'hardhat'
+import { isFile } from '@layerzerolabs/io-utils'
+import { resolve } from 'path'
+import { TASK_LZ_WIRE_OAPP } from '@layerzerolabs/ua-utils-evm-hardhat'
+
+describe('task/oapp/wire', () => {
+    const CONFIGS_BASE_DIR = resolve(__dirname, '__data__', 'configs')
+
+    beforeEach(async () => {
+        await setupDefaultEndpoint()
+    })
+
+    it('should fail if the config file does not exist', async () => {
+        await expect(hre.run(TASK_LZ_WIRE_OAPP, { oappConfig: './does-not-exist.js' })).rejects.toThrow(
+            /Unable to read config file/
+        )
+    })
+
+    it('should fail if the config file is not a file', async () => {
+        await expect(hre.run(TASK_LZ_WIRE_OAPP, { oappConfig: __dirname })).rejects.toThrow(
+            /Unable to read config file/
+        )
+    })
+
+    it('should fail if the config file is not a valid JSON or JS file', async () => {
+        const readme = resolve(__dirname, '..', '..', '..', 'README.md')
+
+        expect(isFile(readme)).toBeTruthy()
+
+        await expect(hre.run(TASK_LZ_WIRE_OAPP, { oappConfig: readme })).rejects.toThrow(/Unable to read config file/)
+    })
+
+    // TODO This should fail once the task is complete
+    it('should succeed with an empty JS file', async () => {
+        const oappConfig = resolve(CONFIGS_BASE_DIR, 'empty.config.js')
+
+        expect(isFile(oappConfig)).toBeTruthy()
+
+        await hre.run(TASK_LZ_WIRE_OAPP, { oappConfig })
+    })
+})

packages/ua-utils-evm-hardhat/src/tasks/index.ts

@@ -1 +1,2 @@
+import './oapp'
 import './getDefaultConfig'

packages/ua-utils-evm-hardhat/src/tasks/oapp/index.ts

@@ -0,0 +1 @@
+import './wire'

packages/ua-utils-evm-hardhat/src/tasks/oapp/wire.ts

@@ -0,0 +1,31 @@
+import { task, types } from 'hardhat/config'
+import type { ActionType } from 'hardhat/types'
+import { TASK_LZ_WIRE_OAPP } from '@/constants/tasks'
+import { isFile, isReadable } from '@layerzerolabs/io-utils'
+
+interface TaskArgs {
+    oappConfig: string
+}
+
+const action: ActionType<TaskArgs> = async ({ oappConfig: oappConfigPath }) => {
+    // First we check that the config file is indeed there and we can read it
+    const isConfigReadable = isFile(oappConfigPath) && isReadable(oappConfigPath)
+    if (!isConfigReadable) {
+        throw new Error(
+            `Unable to read config file '${oappConfigPath}'. Check that the file exists and is readable to your terminal user`
+        )
+    }
+
+    // Now let's see if we can load the config file
+    let config: unknown
+    try {
+        config = require(oappConfigPath)
+    } catch (error) {
+        throw new Error(`Unable to read config file '${oappConfigPath}': ${error}`)
+    }
+
+    console.log({ config })
+}
+task(TASK_LZ_WIRE_OAPP, 'Wire LayerZero OApp')
+    .addParam('oappConfig', 'Path to your LayerZero OApp config', './layerzero.config.js', types.string)
+    .setAction(action)