feat(start): implement solo mode

README.md

@@ -3,11 +3,17 @@
 ## Getting Started
 
 ```sh
+# Install the agoric devtool.
 npm install -g agoric
-agoric init dapp
-cd dapp
+# Initialize your dapp project.
+agoric init my-dapp
+# Go to its directory.
+cd my-dapp
+# Install Javascript/Go dependencies.
 agoric install
+# Run the local vat machine.
 agoric start
-agoric deploy ./api/deploy.js ./contract/deploy.js
+# Install your smart contract and web api (can be done separately)
+agoric deploy ./contract/deploy.js ./api/deploy.js
 # Navigate to http://localhost:8000/
 ```

lib/init.js

@@ -53,24 +53,5 @@ export default async function initMain(progname, rawArgs, priv) {
   };
   await recursiveTemplate(templateDir);
 
-  const agservers = `${DIR}/.agservers`;
-  const solo = `${agservers}/solo`;
-  const chain = `${agservers}/chain`;
-  await Promise.all([mkdir(solo), mkdir(chain)]);
-  const chainSolo = `${chain}/solo`;
-  const chainCosmos = `${chain}/cosmos`;
-  await Promise.all([mkdir(chainSolo), mkdir(chainCosmos)]);
-
-  // Create links to all the solo nodes' html directories.
-  await Promise.all([
-    mkdir(`${chainSolo}/html`),
-    mkdir(`${solo}/html`),
-  ])
-
-  await Promise.all([
-    symlink('../../../ui/build', `${chainSolo}/dapp-html`),
-    symlink('../../ui/build', `${solo}/dapp-html`),
-  ]);
-
   console.log(chalk.bold.yellow(`Done initializing; you should 'cd ${DIR} && ${progname} install'`));
 }

lib/install.js

@@ -2,7 +2,6 @@ import parseArgs from 'minimist';
 import chalk from 'chalk';
 import { spawn } from 'child_process';
 import { promises as fs } from 'fs';
-import { resolve } from 'any-promise';
 
 export default async function installMain(progname, rawArgs, priv) {
   const { console, error } = priv;
@@ -23,6 +22,7 @@ export default async function installMain(progname, rawArgs, priv) {
   }
   const pm = 'yarn';
 
+  // FIXME: Check for version 1.13.
   const goRet = await pspawn('go', ['version']);
   const goCmd = goRet === 0 && pspawn('npm', ['install'], { cwd: '.agservers', stdio: 'inherit' });
 
@@ -35,6 +35,10 @@ export default async function installMain(progname, rawArgs, priv) {
 
   if (!goCmd) {
     console.log(chalk.bold.yellow(`To run Agoric locally you will need to install Go and rerun '${progname} install'`));
+  } else {
+    // FIXME: Build the wallet
+    await pspawn(pm, ['install'], { cwd: '.agservers/node_modules/@agoric/wallet-frontend' });
+    await pspawn(pm, ['run', 'build'], { cwd: '.agservers/node_modules/@agoric/wallet-frontend' });
   }
   console.log(chalk.bold.green('Done installing'));
 }

lib/start.js

@@ -0,0 +1,60 @@
+import parseArgs from 'minimist';
+import chalk from 'chalk';
+import { spawn } from 'child_process';
+import { promises as fs } from 'fs';
+
+export default async function startMain(progname, rawArgs, priv) {
+  const { console, error } = priv;
+  const {
+    reset,
+    _: args,
+  } = parseArgs(rawArgs, {
+    boolean: ['reset'],
+  });
+
+  const pspawn = (...args) => new Promise((resolve, reject) => {
+    const cp = spawn(...args);
+    cp.on('exit', resolve);
+    cp.on('error', () => resolve(-1));
+  });
+
+  const exists = async file => {
+    try {
+      await fs.stat(file);
+      return true;
+    } catch (e) {
+      return false;
+    }
+  };
+
+  if (!await exists('.agservers/node_modules')) {
+    return error(`you must first run '${progname} install' with Go 1.12 or later`);
+  }
+
+  if (reset) {
+    console.log(chalk.green('removing .agservers/solo'));
+    await pspawn('rm', ['-rf', '.agservers/solo'], { stdio: 'inherit' });
+  }
+
+  // Run scenario3.
+  const css = 'node_modules/\@agoric/cosmic-swingset';
+  if (!await exists('.agservers/solo')) {
+    console.log(chalk.yellow('initializing solo'))
+    await pspawn(`${css}/bin/ag-solo`, ['init', 'solo', '--egresses=none'], {
+      stdio: 'inherit',
+      cwd: '.agservers',
+    });
+  }
+
+  console.log(chalk.green('linking html directories'));
+  const dappHtml = '.agservers/solo/dapp-html';
+  const htmlWallet = '.agservers/solo/html/wallet'; 
+  await Promise.allSettled([fs.unlink(dappHtml), fs.unlink(htmlWallet)]);
+  await Promise.allSettled([fs.symlink('../../ui/build', dappHtml), 
+    fs.symlink('../../node_modules/@agoric/wallet-frontend/build', htmlWallet)]);
+
+  await pspawn(`../${css}/bin/ag-solo`, ['start', '--role=three_client'], {
+    stdio: 'inherit',
+    cwd: '.agservers/solo',
+  });
+}

package.json

@@ -34,9 +34,6 @@
     "ws": "^7.2.0"
   },
   "keywords": [],
-  "files": [
-    "dist"
-  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/Agoric/agoric"