handle ESC in proxy confirmation without crashing

Author: YaroShkvorets

packages/cli/src/commands/add.ts

@@ -125,10 +125,9 @@ export default class AddCommand extends Command {
             ),
           );
           if (impl) {
-            const useImplementation = await prompt.confirm(
-              `Proxy contract detected. Use current implementation contract ABI at ${impl}?`,
-              true,
-            );
+            const useImplementation = await prompt
+              .confirm(`Proxy contract detected. Use implementation contract ABI at ${impl}?`, true)
+              .catch(() => false);
 
             if (useImplementation) {
               implAddress = impl;

packages/cli/src/commands/init.ts

@@ -669,21 +669,24 @@ async function processInitForm(
           );
           initDebugger.extend('processInitForm')("proxyImplementation: '%s'", impl);
           if (impl) {
-            const useImplementation = await prompt.confirm(
-              `Proxy contract detected. Use current implementation contract ABI at ${impl}?`,
-              true,
-            );
-
-            if (useImplementation) {
-              implAddress = impl;
-              abiFromApi = await retryWithPrompt(() =>
-                withSpinner(
-                  'Fetching implementation contract ABI...',
-                  'Failed to fetch implementation ABI',
-                  'Warning fetching implementation ABI',
-                  () => contractService.getABI(protocolInstance.getABI(), network.id, implAddress!),
-                ),
+            try {
+              const useImplementation = await prompt.confirm(
+                `Proxy contract detected. Use implementation contract ABI at ${impl}?`,
+                true,
               );
+              if (useImplementation) {
+                implAddress = impl;
+                abiFromApi = await retryWithPrompt(() =>
+                  withSpinner(
+                    'Fetching implementation contract ABI...',
+                    'Failed to fetch implementation ABI',
+                    'Warning fetching implementation ABI',
+                    () => contractService.getABI(protocolInstance.getABI(), network.id, implAddress!),
+                  ),
+                );
+              }
+            } catch (error) {
+              this.error(`Error confirming proxy implementation: ${error.message}`, { exit: 1 });
             }
           }
         }