Adds login command for easy of use

Author: numtel

cli.js

@@ -1,10 +1,9 @@
 #!/usr/bin/env node
 import {Command} from 'commander';
 
-import {
-  getPackageJson,
-} from './src/utils.js';
+import {getPackageJson} from './src/utils.js';
 
+import {loginCommand} from './src/circuitscan.js';
 import circomCommands from './src/circom/index.js';
 import circomMultiCommands from './src/circomMulti/index.js';
 import noirCommands from './src/noir/index.js';
@@ -16,6 +15,7 @@ program
   .description('CLI tool to verify verifier contracts by their circom sources')
   .version(getPackageJson().version);
 
+loginCommand(program);
 // Each pipeline adds its commands
 circomCommands(program);
 circomMultiCommands(program);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "circuitscan",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "main": "cli.js",
   "type": "module",
   "author": "numtel <ben@latenightsketches.com>",

src/circuitscan.js

@@ -1,5 +1,5 @@
 import {join} from 'node:path';
-import {readFileSync, appendFileSync} from 'node:fs';
+import {readFileSync, appendFileSync, writeFileSync} from 'node:fs';
 import {homedir} from 'node:os';
 
 import {
@@ -132,19 +132,33 @@ function appendRequest(reqId) {
   appendFileSync(join(homedir(), '.circuitscan-history'), `${reqId}\n`);
 }
 
+export function loginCommand(program) {
+  program
+    .command('login <apiKey>')
+    .description('Save API Key in home directory for later use.')
+    .action((apiKey) => {
+      const config = loadUserConfig() || {};
+      config.apiKey = apiKey;
+      writeFileSync(join(homedir(), '.circuitscan'), JSON.stringify(config, null, 2));
+    });
+}
+
 function loadUserConfig() {
   try {
     return JSON.parse(readFileSync(join(homedir(), '.circuitscan'), 'utf8'));
   } catch(error) {
-    console.error(error);
-    process.exit(1);
+    // Do nothing
   }
 }
 
 function activeApiKey(options) {
   if(options.apiKey) return options.apiKey;
   if(process.env.CIRCUITSCAN_API_KEY) return process.env.CIRCUITSCAN_API_KEY;
   const config = loadUserConfig() || {};
+  if(!config.apiKey) {
+    console.error('\n\nMissing API Key!\n\nGenerate one at https://circuitscan.org/manage-api-key\nThen use "circuitscan login <apiKey>"');
+    process.exit(1);
+  }
   return config.apiKey;
 }