feat(zoe): implement 'home.zoe' and Zoe contract upload

lib/ag-solo/contracts/README-contract.md

@@ -4,10 +4,12 @@ This folder contains contracts that are bundled and installed when ag-solo first
 
 Each Zoe contract entrypoint is named `zoe-NAME.js`, where **NAME** is an identifier.  These files are ES modules which can import other modules.  The direct exports from `zoe-NAME.js` become properties on **NAME**'s installation.
 
-Note that the `makeContract` export accepts a pureFns argument and returns a function that receives a Zoe instance as an argument.
+Note that the `makeContract` export accepts a `pureFns` argument and returns a instantiation function that receives a Zoe instance as an argument.
 
 ```js
-export const makeContract = harden(_pureFns => zoe => { ... });
+import harden from '@agoric/harden';
+
+export const makeContract = harden(pureFns => zoe => { ... });
 ```
 
 The following global variables are available to all modules in your Zoe contract:
@@ -21,6 +23,8 @@ The following global variables are available to all modules in your Zoe contract
 Each contractHost entrypoint is named `contractHost-NAME.js`, where **NAME** is an identifier.  These files are ES modules which can import other modules, and whose default export is:
 
 ```js
+import harden from '@agoric/harden';
+
 // This function is called to instantiate a contract.
 export default harden((terms, inviteMaker) => ...);
 

lib/ag-solo/contracts/contractHost-2n.js

@@ -1,3 +1,6 @@
+import harden from '@agoric/harden';
+import makePromise from '@agoric/ertp/util/makePromise';
+
 export default harden((_terms, inviteMaker) => {
   const result = makePromise();
   const seat = harden({

lib/ag-solo/contracts/contractHost-encouragementBot.js

@@ -1,3 +1,4 @@
+import harden from '@agoric/harden';
 import { encourage } from './encourage';
 
 export default harden((_terms, _inviteMaker) => {

lib/ag-solo/vats/bootstrap.js

@@ -38,18 +38,20 @@ export default function setup(syscall, state, helpers) {
           uploads: await E(vats.uploads).getUploads(),
         });
       }
- 
+
       function makeBundler(contractHost, vats) {
         return harden({
           async createDemoBundle(nickname) {
             const handoff = await E(vats.handoff).getSharedHandoffService();
             const registry = await E(vats.registry).getSharedRegistry();
             const pixelBundle = await E(vats.pixel).createPixelBundle(nickname);
+            const zoe = await E(vats.zoe).getZoe();
             return harden({
               ...pixelBundle,
               handoff,
               contractHost,
               registry,
+              zoe,
             });
           },
         });

lib/ag-solo/vats/vat-host.js

@@ -12,7 +12,7 @@ function setup(syscall, state, helpers) {
     E =>
       harden({
         makeHost() {
-          return harden(makeContractHost(E, evaluate));
+          return harden(makeContractHost(E, evaluate, { require }));
         },
       }),
     helpers.vatID,

lib/ag-solo/vats/vat-zoe.js

@@ -0,0 +1,26 @@
+import harden from '@agoric/harden';
+
+import { makeZoe } from '@agoric/ertp/core/zoe/zoe/zoe';
+
+const build = (_E, _log) => {
+  const zoe = makeZoe({ require });
+  return harden({
+    getZoe: () => zoe,
+  });
+};
+
+harden(build);
+
+function setup(syscall, state, helpers) {
+  function log(...args) {
+    helpers.log(...args);
+    console.log(...args);
+  }
+  return helpers.makeLiveSlots(
+    syscall,
+    state,
+    E => build(E, log),
+    helpers.vatID,
+  );
+}
+export default harden(setup);

package.json

@@ -22,6 +22,7 @@
     "@agoric/ertp": "^0.1.7",
     "@agoric/evaluate": "^2.1.2",
     "@agoric/eventual-send": "^0.4.2",
+    "@agoric/harden": "0.0.4",
     "@agoric/swingset-vat": "0.0.27",
     "@iarna/toml": "^2.2.3",
     "bindings": "^1.2.1",