From 9e53f4f6bcc5d19cabe1e44dea2e9f8bb374e475 Mon Sep 17 00:00:00 2001
From: Dan Connolly <connolly@agoric.com>
Date: Thu, 6 Jan 2022 18:20:42 -0600
Subject: [PATCH] feat(vats): connectFaucet bootstrap behavior

 - choose boostrap manifest based on ROLE
---
 packages/vats/src/bootstrap-behaviors-sim.js | 23 +++++++++++++++--
 packages/vats/src/bootstrap-behaviors.js     | 26 ++++++++++++++++++++
 packages/vats/src/bootstrap-core.js          | 12 +++++++--
 3 files changed, 57 insertions(+), 4 deletions(-)

diff --git a/packages/vats/src/bootstrap-behaviors-sim.js b/packages/vats/src/bootstrap-behaviors-sim.js
index b09978d7e22..627e926a6dd 100644
--- a/packages/vats/src/bootstrap-behaviors-sim.js
+++ b/packages/vats/src/bootstrap-behaviors-sim.js
@@ -1,4 +1,5 @@
 // @ts-check
+import { E, Far } from '@agoric/far';
 import {
   bootstrapManifest,
   installClientEgress,
@@ -13,6 +14,7 @@ export const simBootstrapManifest = harden({
     },
     workspace: true,
   },
+  connectFaucet: { workspace: true },
   ...bootstrapManifest,
 });
 
@@ -35,6 +37,23 @@ const installSimEgress = async ({ vatParameters, vats, workspace }) => {
   );
 };
 
-harden({ installSimEgress });
-export { installSimEgress };
+const connectFaucet = async ({ workspace }) => {
+  const { zoe, client } = workspace;
+  workspace.bridgeManager = undefined; // no bridge in the sim chain
+
+  const makeFaucet = async _address => {
+    const userFeePurse = await E(zoe).makeFeePurse();
+
+    return Far('faucet', {
+      tapFaucet: () => [],
+      // TODO: obsolete getFeePurse, now that zoe fees are gone?
+      getFeePurse: () => userFeePurse,
+    });
+  };
+
+  return E(client).assignBundle({ faucet: makeFaucet });
+};
+
+harden({ installSimEgress, connectFaucet });
+export { installSimEgress, connectFaucet };
 export * from './bootstrap-behaviors.js';
diff --git a/packages/vats/src/bootstrap-behaviors.js b/packages/vats/src/bootstrap-behaviors.js
index c0fcaea4d5e..b2f9b53cfbe 100644
--- a/packages/vats/src/bootstrap-behaviors.js
+++ b/packages/vats/src/bootstrap-behaviors.js
@@ -34,6 +34,10 @@ export const bootstrapManifest = harden({
     workspace: { vatAdminSvc: true, client: true },
   },
   makeAddressNameHubs: { workspace: true },
+  makeClientBanks: {
+    // TODO: separate workspace read / write powers
+    workspace: true,
+  },
 });
 
 /**
@@ -53,6 +57,7 @@ const connectVattpWithMailbox = ({
 };
 
 /**
+ * TODO: { dynamicVats: { bank: true }} thingy?
  *
  * @param {{
  *   vats: { vatAdmin: VatAdminVat },
@@ -182,6 +187,25 @@ const installClientEgress = async (addr, { vats, workspace }) => {
   });
 };
 
+/**
+ * @param {{ workspace: {
+ *   vatAdminSvc: VatAdminSvc,
+ *   client: any, // TODO
+ *   bridgeManager: import('./bridge').BridgeManager
+ *   bankManager: unknown,
+ * }}} powers
+ */
+const makeClientBanks = async ({ workspace }) => {
+  const { vatAdminSvc, client, bridgeManager } = workspace;
+  const { root: bankVat } = await E(vatAdminSvc).createVatByName('bank');
+  const settledBridge = await bridgeManager;
+  const bankManager = E(bankVat).makeBankManager(settledBridge);
+  workspace.bankManager = bankManager;
+  return E(client).assignBundle({
+    bank: address => E(bankManager).getBankForAddress(address),
+  });
+};
+
 harden({
   connectVattpWithMailbox,
   makeVatAdminService,
@@ -189,6 +213,7 @@ harden({
   makeBoard,
   makeAddressNameHubs,
   installClientEgress,
+  makeClientBanks,
 });
 export {
   connectVattpWithMailbox,
@@ -197,4 +222,5 @@ export {
   makeBoard,
   makeAddressNameHubs,
   installClientEgress,
+  makeClientBanks,
 };
diff --git a/packages/vats/src/bootstrap-core.js b/packages/vats/src/bootstrap-core.js
index d0752d0091b..a3dec349002 100644
--- a/packages/vats/src/bootstrap-core.js
+++ b/packages/vats/src/bootstrap-core.js
@@ -75,6 +75,9 @@ const extract = (template, specimen) => {
   }
 };
 
+const manifestByRole = {
+  'sim-chain': simBootstrapManifest,
+};
 /**
  * Build root object of the bootstrap vat.
  *
@@ -88,6 +91,12 @@ const extract = (template, specimen) => {
 const buildRootObject = (vatPowers, vatParameters) => {
   const workspace = makePromiseSpace();
 
+  const { ROLE } = vatParameters.argv;
+  console.debug(`${ROLE} bootstrap starting`);
+
+  const manifest = manifestByRole[ROLE];
+  assert(manifest, X`no manifest for ${ROLE}`);
+
   return Far('bootstrap', {
     /**
      * Bootstrap vats and devices.
@@ -97,8 +106,7 @@ const buildRootObject = (vatPowers, vatParameters) => {
      */
     bootstrap: (vats, devices) =>
       Promise.all(
-        // TODO: choose simBootstrapManifest based on runtime config
-        entries(simBootstrapManifest).map(([name, permit]) =>
+        entries(manifest).map(([name, permit]) =>
           Promise.resolve().then(() => {
             const endowments = extract(permit, {
               vatPowers,