chore: launcherLarry market actor

contract/test/market-actors.js

@@ -1,7 +1,9 @@
 // @ts-check
 import { E, getInterfaceOf } from '@endo/far';
+import { makePromiseKit } from '@endo/promise-kit';
 import { AmountMath } from '@agoric/ertp/src/amountMath.js';
 import { allValues, mapValues } from './wallet-tools.js';
+import { makeIssuerKit } from '@agoric/ertp';
 
 const { entries, fromEntries, keys } = Object;
 const { Fail } = assert;
@@ -258,3 +260,50 @@ export const starterSam = async (t, mine, wellKnown) => {
  t.deepEqual([...todo.keys()], []);
  return done;
 };
+
+const seatLike = updates => {
+ const sync = {
+ result: makePromiseKit(),
+ payouts: makePromiseKit(),
+ };
+ (async () => {
+ for await (const update of updates) {
+ if (update.updated !== 'offerStatus') continue;
+ const { result, payouts } = update.status;
+ if (result) sync.result.resolve(result);
+ if (payouts) sync.payouts.resolve(payouts);
+ }
+ })();
+ return harden({
+ getOfferResult: () => sync.result.promise,
+ getPayouts: () => sync.payouts.promise,
+ });
+};
+/**
+ * @param {import('ava').ExecutionContext} t
+ * @param {{ wallet: import('./wallet-tools.js').MockWallet }} mine
+ * @param { WellKnown & { terms: { arbAssetName: { price }}} } wellKnown
+ */
+export const launcherLarry = async (t, { wallet }, wellKnown) => {
+ const { price } = wellKnown.terms.arbAssetName;
+ const BRD = makeIssuerKit('BRD');
+ const launched = { issuer: BRD.issuer, brand: BRD.brand };
+ t.log('Larry launched', launched);
+ await E(wallet.offers).addIssuer(BRD.issuer);
+ const instance = await wellKnown.instance.arbAssetName;
+ t.log('Larry offers', price, 'to publish');
+ const updates = await E(wallet.offers).executeOffer({
+ id: 'larry-brd-publish-1',
+ invitationSpec: {
+ source: 'contract',
+ instance,
+ publicInvitationMaker: 'makePublishAssetInvitation',
+ },
+ proposal: { give: { Pay: price } },
+ offerArgs: launched,
+ });
+ const seat = seatLike(updates);
+ const id = await E(seat).getOfferResult();
+ t.log('Larry published as', id);
+ return { ...launched, id };
+};