chore(pp-upgrade): create helper core-evals

Refs: #10395

a3p-integration/proposals/p:upgrade-19/depositUSD-LEMONS/deposit-usd-lemons-permit.json

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+{
+    "consume": {
+      "contractKits": true,
+      "namesByAddressAdmin": true,
+      "agoricNames": true
+    }
+}
+

a3p-integration/proposals/p:upgrade-19/depositUSD-LEMONS/deposit-usd-lemons.js

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+const PROVISIONING_POOL_ADDR = 'agoric1megzytg65cyrgzs6fvzxgrcqvwwl7ugpt62346';
+
+const depositUsdLemons = async powers => {
+  const {
+    consume: { contractKits: contractKitsP, namesByAddressAdmin: namesByAddressAdminP , agoricNames },
+    // instance: { consume: { ['psm-IST-USD_LEMONS']: usdLemonsPsmInstanceP }}
+  } = powers;
+
+  const namesByAddressAdmin = await namesByAddressAdminP;
+
+  const getDepositFacet = async address => {
+    const admin = await E(namesByAddressAdmin).lookupAdmin(address);
+    console.log('ADMIN', admin)
+
+    const nameHub = await E(admin).readonly();
+    console.log('NAME_HUB', nameHub);
+    const hub = E(E(namesByAddressAdmin).lookupAdmin(address)).readonly();
+    return E(hub).lookup('depositFacet');
+  };
+
+  const [contractKits, usdLemonsIssuer, usdLemonsBrand, ppDepositFacet] = await Promise.all([
+    contractKitsP,
+    E(agoricNames).lookup('issuer', 'USD_LEMONS'),
+    E(agoricNames).lookup('brand', 'USD_LEMONS'),
+    getDepositFacet(PROVISIONING_POOL_ADDR),
+  ]);
+
+  console.log('[CONTRACT_KITS]', contractKits);
+  console.log('[ISSUER]', usdLemonsIssuer);
+
+  let usdLemonsMint;
+  for (const { publicFacet, creatorFacet: mint } of contractKits.values()) {
+    if (publicFacet === usdLemonsIssuer) {
+      usdLemonsMint = mint;
+      console.log('BINGO', mint)
+      break;
+    }
+  }
+
+  console.log('Minting USD_LEMONS');
+  const helloPayment = await E(usdLemonsMint).mintPayment(harden({ brand: usdLemonsBrand, value: 500000n }));
+
+  console.log('Funding provision pool...');
+  await E(ppDepositFacet).receive(helloPayment);
+
+  console.log('Done.');
+};
+
+depositUsdLemons;

packages/builders/scripts/testing/add-USD-LEMONS.js

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+import { makeHelpers } from '@agoric/deploy-script-support';
+import { psmProposalBuilder } from '../inter-protocol/add-collateral-core.js';
+
+const addUsdLemonsProposalBuilder = async powers => {
+    return psmProposalBuilder(powers, {
+        anchorOptions: {
+            denom: 'ibc/000C0AAAEECAFE000',
+            keyword: 'USD_LEMONS',
+            decimalPlaces: 6,
+            proposedName: 'USD_LEMONS',
+        }
+    });
+};
+
+/** @type {import('@agoric/deploy-script-support/src/externalTypes.js').DeployScriptFunction} */
+export default async (homeP, endowments) => {
+    const { writeCoreEval } = await makeHelpers(homeP, endowments);
+    await writeCoreEval('add-LEMONS-PSM', addUsdLemonsProposalBuilder);
+  };