feat(dapp-svelte-wallet): add getAgoricNames and getNamesByAddress

Both these methods are exposed on the wallet bridge, and return
the corresponding on-chain naming hubs.  Optional variadic
arguments specify a path to look up.

packages/dapp-svelte-wallet/api/deploy.js

@@ -13,7 +13,7 @@ export default async function deployWallet(
   const home = await homePromise;
   // console.log('have home', home);
   const {
-    agoric: { board, faucet, zoe },
+    agoric: { agoricNames, namesByAddress, board, faucet, zoe },
     local: { http, spawner, wallet: oldWallet },
   } = home;
 
@@ -25,6 +25,8 @@ export default async function deployWallet(
 
   // Wallet for both end-user client and dapp dev client
   const walletVat = await E(walletInstall).spawn({
+    agoricNames,
+    namesByAddress,
     zoe,
     board,
     faucet,

packages/dapp-svelte-wallet/api/src/lib-wallet.js

@@ -53,13 +53,17 @@ const cmp = (a, b) => {
  * @typedef {Object} MakeWalletParams
  * @property {ZoeService} zoe
  * @property {Board} board
+ * @property {NameHub} agoricNames
+ * @property {NameHub} namesByAddress
  * @property {(state: any) => void} [pursesStateChangeHandler=noActionStateChangeHandler]
  * @property {(state: any) => void} [inboxStateChangeHandler=noActionStateChangeHandler]
  * @param {MakeWalletParams} param0
  */
 export function makeWallet({
   zoe,
   board,
+  agoricNames,
+  namesByAddress,
   pursesStateChangeHandler = noActionStateChangeHandler,
   inboxStateChangeHandler = noActionStateChangeHandler,
 }) {
@@ -1472,6 +1476,12 @@ export function makeWallet({
     getBoard() {
       return board;
     },
+    getAgoricNames(...path) {
+      return E(agoricNames).lookup(...path);
+    },
+    getNamesByAddress(...path) {
+      return E(namesByAddress).lookup(...path);
+    },
   });
 
   const initialize = async () => {

packages/dapp-svelte-wallet/api/src/types.js

@@ -7,6 +7,10 @@
  * @typedef {import('@agoric/cosmic-swingset/lib/ag-solo/vats/lib-board').Board} Board
  */
 
+/**
+ * @typedef {import('@agoric/cosmic-swingset/lib/ag-solo/vats/types').NameHub} NameHub
+ */
+
 /**
  * @typedef {string | string[]} Petname A petname can either be a plain string
  * or a path for which the first element is a petname for the origin, and the
@@ -83,6 +87,10 @@
  * Get the Zoe Service
  * @property {() => Promise<Board>} getBoard
  * Get the Board
+ * @property {(...path: Array<unknown>) => Promise<unknown>} getAgoricNames
+ * Get the curated Agoric public naming hub
+ * @property {(...path: Array<unknown>) => Promise<unknown>} getNamesByAddress
+ * Get the Agoric address mapped to its public naming hub
  * @property {(brands: Array<Brand>) => Promise<Array<Petname>>}
  * getBrandPetnames
  * Get the petnames for the brands that are passed in

packages/dapp-svelte-wallet/api/src/wallet.js

@@ -75,8 +75,10 @@ export function buildRootObject(_vatPowers) {
     },
   });
 
-  async function startup({ zoe, board }) {
+  async function startup({ zoe, board, agoricNames, namesByAddress }) {
     const w = makeWallet({
+      agoricNames,
+      namesByAddress,
       zoe,
       board,
       pursesStateChangeHandler: pursesPublish,
@@ -178,6 +180,14 @@ export function buildRootObject(_vatPowers) {
         await approve();
         return walletAdmin.getBoard();
       },
+      async getAgoricNames(...path) {
+        await approve();
+        return walletAdmin.getAgoricNames(...path);
+      },
+      async getNamesByAddress(...path) {
+        await approve();
+        return walletAdmin.getNamesByAddress(...path);
+      },
       async getBrandPetnames(brands) {
         await approve();
         return walletAdmin.getBrandPetnames(brands);
@@ -227,6 +237,12 @@ export function buildRootObject(_vatPowers) {
     async getBoard() {
       return walletAdmin.getBoard();
     },
+    async getAgoricNames(...path) {
+      return walletAdmin.getAgoricNames(...path);
+    },
+    async getNamesByAddress(...path) {
+      return walletAdmin.getNamesByAddress(...path);
+    },
     async getBrandPetnames(brands) {
       return walletAdmin.getBrandPetnames(brands);
     },