feat(fast-usdc): stub config cli command

packages/fast-usdc/src/cli.js

@@ -4,6 +4,7 @@ import { Command } from 'commander';
 import { readFileSync } from 'fs';
 import { fileURLToPath } from 'url';
 import { dirname, resolve } from 'path';
+import { homedir } from 'os';
 
 const packageJson = JSON.parse(
   readFileSync(
@@ -12,12 +13,64 @@ const packageJson = JSON.parse(
   ),
 );
 
+const homeDirectory = homedir();
+
 const program = new Command();
 
 program
   .name('fast-usdc')
   .description('CLI to interact with Fast USDC liquidity pool')
-  .version(packageJson.version);
+  .version(packageJson.version)
+  .option(
+    '--home <path>',
+    `Home directory to use for config`,
+    `${homeDirectory}/.fast-usdc`,
+  );
+
+const config = program.command('config').description('Manage config');
+
+config
+  .command('show')
+  .description('Show current config')
+  .action(() => {
+    // TODO: Read config from "--home" dir and output to console.
+  });
+
+config
+  .command('init')
+  .description('Set initial config values')
+  .requiredOption(
+    '--noble-seed <seed>',
+    'Seed phrase for Noble account. CAUTION: Stored unencrypted in file system',
+  )
+  .requiredOption(
+    '--eth-seed <seed>',
+    'Seed phrase for Ethereum account. CAUTION: Stored unencrypted in file system',
+  )
+  .option('--agoric-api [url]', 'Agoric API endpoint', '127.0.0.1:1317')
+  .option('--noble-rpc [url]', 'Noble RPC endpoint', '127.0.0.1:26657')
+  .option('--eth-rpc [url]', 'Ethereum RPC Endpoint', '127.0.0.1:8545')
+  .action(() => {
+    // TODO: Write config to file in "--home" dir.
+  });
+
+config
+  .command('update')
+  .description('Update config values')
+  .option(
+    '--noble-seed [string]',
+    'Seed phrase for Noble account. CAUTION: Stored unencrypted in file system',
+  )
+  .option(
+    '--eth-seed [string]',
+    'Seed phrase for Ethereum account. CAUTION: Stored unencrypted in file system',
+  )
+  .option('--agoric-api [url]', 'Agoric API endpoint', '127.0.0.1:1317')
+  .option('--noble-rpc [url]', 'Noble RPC endpoint', '127.0.0.1:26657')
+  .option('--eth-rpc [url]', 'Ethereum RPC Endpoint', '127.0.0.1:8545')
+  .action(() => {
+    // TODO: Write config to file in "--home" dir.
+  });
 
 program
   .command('deposit')
@@ -49,8 +102,7 @@ program
     // TODO: Implement transfer logic
     // 1. Look up agoric Fast USDC contract address
     // 2. Append destination address to agoric address
-    // 3. Compute noble forwarding address from result
-    // 4. Tell watcher to watch for transfers to computer address
+    // 4. Register noble forwarding address for agoric address
     // 5. Sign and broadcast CCTP transfer to noble forwarding address
   });