feat(fast-usdc): stub transfer cli command

packages/fast-usdc/src/cli.js

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-import { Command } from 'commander';
+import { Argument, Command, createArgument } from 'commander';
 import { readFileSync } from 'fs';
 import { fileURLToPath } from 'url';
 import { dirname, resolve } from 'path';
@@ -35,4 +35,25 @@ program
     // TODO: Implement withdraw logic
   });
 
+program
+  .command('transfer')
+  .description('Transfer USDC from Ethereum/L2 to Cosmos via Fast USDC')
+  .addArgument(
+    createArgument('amount', 'Amount to transfer denominated in uusdc'),
+  )
+  .addArgument(createArgument('dest', 'Destination address'))
+  .action((amount, destination) => {
+    const start = Date.now();
+    console.error(
+      `TODO actually kick off USDC transfer. Amount: ${amount}uusdc Destination: ${destination}`,
+    );
+    console.info(`Finished in ${Date.now() - start}ms`);
+    // 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
+    // 5. Sign and broadcast CCTP transfer to noble forwarding address
+  });
+
 program.parse();

packages/fast-usdc/test/snapshots/cli.test.ts.md

@@ -13,11 +13,13 @@ Generated by [AVA](https://avajs.dev).
     CLI to interact with Fast USDC liquidity pool␊
     ␊
     Options:␊
-      -V, --version   output the version number␊
-      -h, --help      display help for command␊
+      -V, --version             output the version number␊
+      -h, --help                display help for command␊
     ␊
     Commands:␊
-      deposit         Offer assets to the liquidity pool␊
-      withdraw        Withdraw assets from the liquidity pool␊
-      help [command]  display help for command␊
+      deposit                   Offer assets to the liquidity pool␊
+      withdraw                  Withdraw assets from the liquidity pool␊
+      transfer <amount> <dest>  Transfer USDC from Ethereum/L2 to Cosmos via Fast␊
+                                USDC␊
+      help [command]            display help for command␊
     `