apply pr suggestions

examples/nodejs/package.json

@@ -9,6 +9,7 @@
     "type-check": "tsc -p tsconfig.build.json"
   },
   "dependencies": {
-    "@nucypher/shared": "workspace:*"
+    "@nucypher/shared": "workspace:*",
+    "ethers": "^5.7.2"
   }
 }

examples/nodejs/src/index.ts

@@ -1,4 +1,64 @@
-import { Cohort, getPorterUri } from '@nucypher/shared';
+import {Alice, Bob, getPorterUri, SecretKey, toBytes} from '@nucypher/shared';
+import { ethers } from 'ethers';
 
-const myCohort = Cohort.create(getPorterUri('tapir'), 4);
-console.log(myCohort);
+const makeAlice = () => {
+  const secretKey = SecretKey.fromBEBytes(
+    toBytes('fake-secret-key-32-bytes-alice-x'),
+  );
+  return Alice.fromSecretKey(secretKey);
+};
+
+const makeBob = () => {
+  const secretKey = SecretKey.fromBEBytes(
+    toBytes('fake-secret-key-32-bytes-bob-xxx'),
+  );
+  return Bob.fromSecretKey(secretKey);
+};
+
+const makeRemoteBob = () => {
+  // The difference between a "Bob" and a "remote Bob" is that we only have
+  // access to public parameters in the latter, whereas in the former
+  // we also have access to Bob's secret key
+  const { decryptingKey, verifyingKey } = makeBob();
+  return { decryptingKey, verifyingKey };
+};
+
+const getRandomLabel = () => `label-${new Date().getTime()}`;
+
+const runExample = async () => {
+  const provider = ethers.Wallet.createRandom();
+
+  const remoteBob = makeRemoteBob();
+  const threshold = 2;
+  const shares = 3;
+  const startDate = new Date();
+  const endDate = new Date(Date.now() + 1000 * 60 * 60 * 24 * 30); // In 30 days
+  const policyParams = {
+    bob: remoteBob,
+    label: getRandomLabel(),
+    threshold,
+    shares,
+    startDate,
+    endDate,
+  };
+  const porterUri = getPorterUri('tapir'); // Test network
+
+  const alice = makeAlice();
+  const policy = await alice.grant(
+    provider.provider,
+    provider,
+    porterUri,
+    policyParams,
+  );
+
+  console.log('Policy created:');
+  console.log({ policy });
+};
+
+runExample()
+  .then(() => {
+    console.log('Example finished.');
+  })
+  .catch((err) => {
+    console.error('Example failed:', err);
+  });

packages/shared/package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "keywords": [
     "pre",
+    "taco",
     "threshold",
     "access control"
   ],

packages/taco/package.json

@@ -2,7 +2,7 @@
   "name": "@nucypher/taco",
   "version": "0.1.0",
   "keywords": [
-    "pre",
+    "taco",
     "threshold",
     "access control"
   ],