From 46e6e9e2866cd70aac21503c495e61b16aaef0db Mon Sep 17 00:00:00 2001
From: samsiegart <samsiegart@gmail.com>
Date: Mon, 28 Oct 2024 23:38:25 -0700
Subject: [PATCH] feat(fast-usdc): stub transfer cli command

---
 packages/fast-usdc/src/cli.js                 |  19 ++++++++++++
 packages/fast-usdc/test/cli.test.ts           |  17 +++++++++++
 .../fast-usdc/test/snapshots/cli.test.ts.md   |  28 ++++++++++++++----
 .../fast-usdc/test/snapshots/cli.test.ts.snap | Bin 330 -> 481 bytes
 4 files changed, 59 insertions(+), 5 deletions(-)

diff --git a/packages/fast-usdc/src/cli.js b/packages/fast-usdc/src/cli.js
index 24846841cb7..6aa27166bea 100755
--- a/packages/fast-usdc/src/cli.js
+++ b/packages/fast-usdc/src/cli.js
@@ -35,4 +35,23 @@ program
     // TODO: Implement withdraw logic
   });
 
+program
+  .command('transfer')
+  .description('Transfer USDC from Ethereum/L2 to Cosmos via Fast USDC')
+  .argument('amount', 'Amount to transfer denominated in uusdc')
+  .argument('dest', 'Destination address in Cosmos')
+  .action((/** @type {string} */ amount, /** @type {string} */ 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();
diff --git a/packages/fast-usdc/test/cli.test.ts b/packages/fast-usdc/test/cli.test.ts
index f14e70fa161..26f75cf962b 100644
--- a/packages/fast-usdc/test/cli.test.ts
+++ b/packages/fast-usdc/test/cli.test.ts
@@ -22,3 +22,20 @@ test('CLI shows help when run without arguments', async t => {
 
   t.snapshot(output);
 });
+
+test('CLI shows help for transfer command', async t => {
+  const output = await new Promise(resolve => {
+    const child = spawn('node', [CLI_PATH, 'transfer', '-h']);
+    let stdout = '';
+
+    child.stdout.on('data', data => {
+      stdout += data.toString();
+    });
+
+    child.on('close', () => {
+      resolve(stdout);
+    });
+  });
+
+  t.snapshot(output);
+});
diff --git a/packages/fast-usdc/test/snapshots/cli.test.ts.md b/packages/fast-usdc/test/snapshots/cli.test.ts.md
index f99a1fe5746..70a55b346e5 100644
--- a/packages/fast-usdc/test/snapshots/cli.test.ts.md
+++ b/packages/fast-usdc/test/snapshots/cli.test.ts.md
@@ -13,11 +13,29 @@ 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␊
+    `
+
+## CLI shows help for transfer command
+
+> Snapshot 1
+
+    `Usage: fast-usdc transfer [options] <amount> <dest>␊
+    ␊
+    Transfer USDC from Ethereum/L2 to Cosmos via Fast USDC␊
+    ␊
+    Arguments:␊
+      amount      Amount to transfer denominated in uusdc␊
+      dest        Destination address in Cosmos␊
+    ␊
+    Options:␊
+      -h, --help  display help for command␊
     `
diff --git a/packages/fast-usdc/test/snapshots/cli.test.ts.snap b/packages/fast-usdc/test/snapshots/cli.test.ts.snap
index 7fb4649fe87e9fd1505e4d5dac5209a001aefcdb..02af5899cc5845a49212d9720fdc4cc520afb401 100644
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