fix: set arbitrum-sepolia-testnet as default chain and deprecate bellecour

cli/src/cli-helpers/ensureBalances.ts

@@ -71,7 +71,7 @@ You can either:
  - Fund your wallet ${emphasis(address)}
  - Import another wallet (run ${command('iapp wallet import')})
  - Select an imported wallet (run ${command('iapp wallet select')})
- - Use another chain (use option ${command('--chain <name>')})`)
+ - Use another chain (change default chain ${command('iapp chain select <name>')} or use option ${command('--chain <name>')})`)
     );
   }
 

cli/src/cli-helpers/resolveChainConfig.ts

@@ -0,0 +1,32 @@
+import { DEFAULT_CHAIN, DEPRECATED_CHAINS } from '../config/config.js';
+import { getChainConfig } from '../utils/iAppConfigFile.js';
+import type { Spinner } from './spinner.js';
+import { command as colorCommand, file as colorFile } from './color.js';
+import { warnBox } from './box.js';
+
+export const resolveChainConfig = ({
+  chain,
+  defaultChain,
+  spinner,
+}: {
+  chain?: string;
+  defaultChain: string;
+  spinner: Spinner;
+}) => {
+  const config = getChainConfig(chain ?? defaultChain);
+
+  spinner.info(`Using chain ${colorFile(config.name)}`);
+
+  if (DEPRECATED_CHAINS.includes(config.name)) {
+    spinner.log(
+      warnBox(
+        `The selected chain ${colorFile(config.name)} is deprecated and may not be supported in future versions.
+Please consider switching to ${colorFile(DEFAULT_CHAIN)} or another supported chain.
+
+run ${colorCommand('iapp chain select <name>')} to change default chain or use ${colorCommand('--chain <name>')} option.`
+      )
+    );
+  }
+
+  return config;
+};

cli/src/cmd/debug.ts

@@ -4,8 +4,9 @@ import { getIExec } from '../utils/iexec.js';
 import { getSpinner } from '../cli-helpers/spinner.js';
 import * as color from '../cli-helpers/color.js';
 import { handleCliError } from '../cli-helpers/handleCliError.js';
-import { getChainConfig, readIAppConfig } from '../utils/iAppConfigFile.js';
+import { readIAppConfig } from '../utils/iAppConfigFile.js';
 import { goToProjectRoot } from '../cli-helpers/goToProjectRoot.js';
+import { resolveChainConfig } from '../cli-helpers/resolveChainConfig.js';
 
 export async function debug({
   taskId,
@@ -22,9 +23,11 @@ export async function debug({
     }
     await goToProjectRoot({ spinner });
     const { defaultChain } = await readIAppConfig();
-    const chainName = chain || defaultChain;
-    const chainConfig = getChainConfig(chainName);
-    spinner.info(`Using chain ${chainName}`);
+    const chainConfig = resolveChainConfig({
+      chain,
+      defaultChain,
+      spinner,
+    });
     const signer = await askForWallet({ spinner });
     const iexec = getIExec({
       ...chainConfig,

cli/src/cmd/deploy.ts

@@ -9,7 +9,6 @@ import {
 import { sconify } from '../utils/sconify.js';
 import { askForDockerhubUsername } from '../cli-helpers/askForDockerhubUsername.js';
 import {
-  getChainConfig,
   projectNameToImageName,
   readIAppConfig,
 } from '../utils/iAppConfigFile.js';
@@ -26,15 +25,18 @@ import { addDeploymentData } from '../utils/cacheExecutions.js';
 import { useTdx } from '../utils/featureFlags.js';
 import { ensureBalances } from '../cli-helpers/ensureBalances.js';
 import { warnBeforeTxFees } from '../cli-helpers/warnBeforeTxFees.js';
+import { resolveChainConfig } from '../cli-helpers/resolveChainConfig.js';
 
 export async function deploy({ chain }: { chain?: string }) {
   const spinner = getSpinner();
   try {
     await goToProjectRoot({ spinner });
     const { projectName, template, defaultChain } = await readIAppConfig();
-    const chainName = chain || defaultChain;
-    const chainConfig = getChainConfig(chainName);
-    spinner.info(`Using chain ${chainName}`);
+    const chainConfig = resolveChainConfig({
+      chain,
+      defaultChain,
+      spinner,
+    });
     await warnBeforeTxFees({ spinner, chain: chainConfig.name });
 
     const signer = await askForWallet({ spinner });
@@ -178,7 +180,7 @@ export async function deploy({ chain }: { chain?: string }) {
       image: appDockerImage,
       app: appContractAddress,
       owner: userAddress,
-      chainName,
+      chainName: chainConfig.name,
     });
     spinner.succeed(
       `TEE app deployed with image ${appDockerImage} on iExec with address ${appContractAddress}`

cli/src/cmd/run.ts

@@ -14,10 +14,11 @@ import { askShowResult } from '../cli-helpers/askShowResult.js';
 import { goToProjectRoot } from '../cli-helpers/goToProjectRoot.js';
 import * as color from '../cli-helpers/color.js';
 import { IExec } from 'iexec';
-import { getChainConfig, readIAppConfig } from '../utils/iAppConfigFile.js';
+import { readIAppConfig } from '../utils/iAppConfigFile.js';
 import { ensureBalances } from '../cli-helpers/ensureBalances.js';
 import { askForAcknowledgment } from '../cli-helpers/askForAcknowledgment.js';
 import { warnBeforeTxFees } from '../cli-helpers/warnBeforeTxFees.js';
+import { resolveChainConfig } from '../cli-helpers/resolveChainConfig.js';
 
 export async function run({
   iAppAddress,
@@ -40,9 +41,11 @@ export async function run({
     await cleanRunOutput({ spinner, outputFolder: RUN_OUTPUT_DIR });
 
     const { defaultChain } = await readIAppConfig();
-    const chainName = chain || defaultChain;
-    const chainConfig = getChainConfig(chainName);
-    spinner.info(`Using chain ${chainName}`);
+    const chainConfig = resolveChainConfig({
+      chain,
+      defaultChain,
+      spinner,
+    });
     await warnBeforeTxFees({ spinner, chain: chainConfig.name });
 
     spinner.start('checking inputs...');
@@ -245,7 +248,7 @@ export async function run({
       dealid,
       taskids: [taskid],
       txHash,
-      chainName,
+      chainName: chainConfig.name,
     });
     spinner.succeed(
       `Deal created successfully

cli/src/config/config.ts

@@ -74,7 +74,9 @@ type ChainConfig = {
   tdxWorkerpool?: string;
 };
 
-export const DEFAULT_CHAIN = 'bellecour';
+export const DEFAULT_CHAIN = 'arbitrum-sepolia-testnet';
+
+export const DEPRECATED_CHAINS = ['bellecour'];
 
 export const CHAINS_CONFIGURATIONS: Record<string, ChainConfig> = {
   bellecour: {

cli/test/iapp.test.ts

@@ -81,8 +81,8 @@ test('iapp init command works', async () => {
   // default chain is bellecour
   assert.strictEqual(
     config.defaultChain,
-    'bellecour',
-    'defaultChain should be bellecour'
+    'arbitrum-sepolia-testnet',
+    'defaultChain should be arbitrum-sepolia-testnet'
   );
   // default project name is hello-world
   assert.strictEqual(